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Liao JX, Huang QF, Li YH, Zhang DW, Wang GH. Chitosan derivatives functionalized dual ROS-responsive nanocarriers to enhance synergistic oxidation-chemotherapy. Carbohydr Polym 2022; 282:119087. [PMID: 35123755 DOI: 10.1016/j.carbpol.2021.119087] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 12/21/2021] [Accepted: 12/30/2021] [Indexed: 01/10/2023]
Abstract
The efficient triggering of prodrug release has become a challengeable task for stimuli-responsive nanomedicine utilized in cancer therapy due to the subtle differences between normal and tumor tissues and heterogeneity. In this work, a dual ROS-responsive nanocarriers with the ability to self-regulate the ROS level was constructed, which could gradually respond to the endogenous ROS to achieve effective, hierarchical and specific drug release in cancer cells. In brief, DOX was conjugated with MSNs via thioketal bonds and loaded with β-Lapachone. TPP modified chitosan was then coated to fabricate nanocarriers for mitochondria-specific delivery. The resultant nanocarriers respond to the endogenous ROS and release Lap specifically in cancer cells. Subsequently, the released Lap self-regulated the ROS level, resulting in the specific DOX release and mitochondrial damage in situ, enhancing synergistic oxidation-chemotherapy. The tumor inhibition Ratio was achieved to 78.49%. The multi-functional platform provides a novel remote drug delivery system in vivo.
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Affiliation(s)
- Jia-Xin Liao
- School of Pharmacy, Guangdong Medical University, Dongguan 523808, China
| | - Qun-Fa Huang
- School of Pharmacy, Guangdong Medical University, Dongguan 523808, China
| | - Yan-Hong Li
- School of Pharmacy, Guangdong Medical University, Dongguan 523808, China
| | - Da-Wei Zhang
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China.
| | - Guan-Hai Wang
- School of Pharmacy, Guangdong Medical University, Dongguan 523808, China.
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2
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Pinheiro WO, Costa do Santos MS, Farias GR, Fascineli ML, Ramos KLV, Duarte ECB, Damasceno EAM, da Silva JR, Joanitti GA, de Azevedo RB, Sousa MH, Lacava ZGM, Mosiniewicz-Szablewska E, Suchocki P, Morais PC, de Andrade LR. Combination of selol nanocapsules and magnetic hyperthermia hinders breast tumor growth in aged mice after a short-time treatment. Nanotechnology 2022; 33:205101. [PMID: 35100566 DOI: 10.1088/1361-6528/ac504c] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 01/31/2022] [Indexed: 06/14/2023]
Abstract
Short time treatment with reduced dosages of selol-loaded PLGA nanocapsules (NcSel) combined with magnetic hyperthermia (MHT) is evaluated in aged Erhlich tumor-bearing mice. Clinical, hematological, biochemical, genotoxic and histopathological parameters are assessed during 7 d treatment with NcSel and MHT, separately or combined. The time evolution of the tumor volume is successfully modeled using the logistic mathematical model. The combined therapy comprising NcSel and MHT is able to hinder primary tumor growth and a case of complete tumor remission is recorded. Moreover, no metastasis was diagnosed and the adverse effects are negligible. NcSel plus MHT may represent an effective and safe alternative to cancer control in aged patients. Future clinical trials are encouraged.
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Affiliation(s)
- Willie Oliveira Pinheiro
- University of Brasilia, Post-Graduation Program in Sciences and Technologies in Health, Faculty of Ceilandia, 72220-275, Brasilia, DF, Brazil
- University of Brasilia, Faculty of Ceilandia, Green Nanotechnology Group, 72220-900 Brasilia, DF, Brazil
| | | | - Gabriel Ribeiro Farias
- University of Brasilia, Laboratory of Immunology and Inflammation, Department of Cell Biology, 70910-900 Brasilia, DF, Brazil
| | - Maria Luiza Fascineli
- University of Brasilia, Institute of Biological Sciences, Department of Genetics and Morphology, 70910-900 Brasilia, DF, Brazil
- Department of Morphology (DMORF), Health Science Center, Federal University of Paraíba, 58051-900, João Pessoa, Brazil
| | - Khellida Loiane Vieira Ramos
- University of Brasilia, Institute of Biological Sciences, Department of Genetics and Morphology, 70910-900 Brasilia, DF, Brazil
| | | | | | - Jaqueline Rodrigues da Silva
- University of Brasilia, Institute of Biological Sciences, Department of Genetics and Morphology, 70910-900 Brasilia, DF, Brazil
| | - Graziella Anselmo Joanitti
- University of Brasilia, Laboratory of Bioactive Compounds and Nanobiotechnology (LBCNano), Faculty of Ceilandia, 72220-275 Brasilia-DF, Brazil
| | - Ricardo Bentes de Azevedo
- University of Brasilia, Institute of Biological Sciences, Department of Genetics and Morphology, 70910-900 Brasilia, DF, Brazil
| | - Marcelo Henrique Sousa
- University of Brasilia, Faculty of Ceilandia, Green Nanotechnology Group, 72220-900 Brasilia, DF, Brazil
| | - Zulmira Guerrero Marques Lacava
- University of Brasilia, Institute of Biological Sciences, Department of Genetics and Morphology, 70910-900 Brasilia, DF, Brazil
| | | | - Piotr Suchocki
- Department of Bioanalysis and Drug Analysis, Medical University of Warsaw, Warsaw, Poland
| | - Paulo Cesar Morais
- University of Brasília, Institute of Physics, Brasília DF 70910-900, Brazil
- Catholic University of Brasília, Genomic Sciences and Biotechnology, Brasília DF 70790-160, Brazil
| | - Laise Rodrigues de Andrade
- University of Brasilia, Institute of Biological Sciences, Department of Genetics and Morphology, 70910-900 Brasilia, DF, Brazil
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3
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Carrabotta M, Laginestra MA, Durante G, Mancarella C, Landuzzi L, Parra A, Ruzzi F, Toracchio L, De Feo A, Giusti V, Pasello M, Righi A, Lollini PL, Palmerini E, Donati DM, Manara MC, Scotlandi K. Integrated Molecular Characterization of Patient-Derived Models Reveals Therapeutic Strategies for Treating CIC-DUX4 Sarcoma. Cancer Res 2022; 82:708-720. [PMID: 34903601 PMCID: PMC9359717 DOI: 10.1158/0008-5472.can-21-1222] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 08/18/2021] [Accepted: 11/30/2021] [Indexed: 01/07/2023]
Abstract
Capicua-double homeobox 4 (CIC-DUX4)-rearranged sarcomas (CDS) are extremely rare, highly aggressive primary sarcomas that represent a major therapeutic challenge. Patients are treated according to Ewing sarcoma protocols, but CDS-specific therapies are strongly needed. In this study, RNA sequencing was performed on patient samples to identify a selective signature that differentiates CDS from Ewing sarcoma and other fusion-driven sarcomas. This signature was used to validate the representativeness of newly generated CDS experimental models-patient-derived xenografts (PDX) and PDX-derived cell lines-and to identify specific therapeutic vulnerabilities. Annotation analysis of differentially expressed genes and molecular gene validation highlighted an HMGA2/IGF2BP/IGF2/IGF1R/AKT/mTOR axis that characterizes CDS and renders the tumors particularly sensitive to combined treatments with trabectedin and PI3K/mTOR inhibitors. Trabectedin inhibited IGF2BP/IGF2/IGF1R activity, but dual inhibition of the PI3K and mTOR pathways was required to completely dampen downstream signaling mediators. Proof-of-principle efficacy for the combination of the dual AKT/mTOR inhibitor NVP-BEZ235 (dactolisib) with trabectedin was obtained in vitro and in vivo using CDS PDX-derived cell lines, demonstrating a strong inhibition of local tumor growth and multiorgan metastasis. Overall, the development of representative experimental models (PDXs and PDX-derived cell lines) has helped to identify the unique sensitivity of the CDS to AKT/mTOR inhibitors and trabectedin, revealing a mechanism-based therapeutic strategy to fight this lethal cancer. SIGNIFICANCE This study identifies altered HMGA2/IGF2BP/IGF2 signaling in CIC-DUX4 sarcomas and provides proof of principle for combination therapy with trabectedin and AKT/mTOR dual inhibitors to specifically combat the disease.
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Affiliation(s)
- Marianna Carrabotta
- Experimental Oncology Laboratory, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | | | - Giorgio Durante
- Experimental Oncology Laboratory, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Caterina Mancarella
- Experimental Oncology Laboratory, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Lorena Landuzzi
- Experimental Oncology Laboratory, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Alessandro Parra
- Experimental Oncology Laboratory, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Francesca Ruzzi
- Laboratory of Immunology and Biology of Metastasis, Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Bologna, Italy
| | - Lisa Toracchio
- Experimental Oncology Laboratory, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Alessandra De Feo
- Experimental Oncology Laboratory, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Veronica Giusti
- Experimental Oncology Laboratory, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Michela Pasello
- Experimental Oncology Laboratory, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Alberto Righi
- Department of Pathology, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Pier-Luigi Lollini
- Laboratory of Immunology and Biology of Metastasis, Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Bologna, Italy
| | - Emanuela Palmerini
- Osteoncology, Bone and Soft Tissue Sarcoma and Novel Therapy Unit, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Davide Maria Donati
- Third Orthopaedic Clinic and Traumatology, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
- Department of Biomedical and Neuromotor Sciences (DIBINEM), University of Bologna, Bologna, Italy
| | | | - Katia Scotlandi
- Experimental Oncology Laboratory, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
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4
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O’Connor CM, Taylor SE, Miller KM, Hurst L, Haanen TJ, Suhan TK, Zawacki KP, Noto FK, Trako J, Mohan A, Sangodkar J, Zamarin D, DiFeo A, Narla G. Targeting Ribonucleotide Reductase Induces Synthetic Lethality in PP2A-Deficient Uterine Serous Carcinoma. Cancer Res 2022; 82:721-733. [PMID: 34921012 PMCID: PMC8857033 DOI: 10.1158/0008-5472.can-21-1987] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 10/14/2021] [Accepted: 11/30/2021] [Indexed: 11/16/2022]
Abstract
Uterine serous carcinoma (USC) is a highly aggressive endometrial cancer subtype with limited therapeutic options and a lack of targeted therapies. While mutations to PPP2R1A, which encodes the predominant protein phosphatase 2A (PP2A) scaffolding protein Aα, occur in 30% to 40% of USC cases, the clinical actionability of these mutations has not been studied. Using a high-throughput screening approach, we showed that mutations in Aα results in synthetic lethality following treatment with inhibitors of ribonucleotide reductase (RNR). In vivo, multiple models of Aα mutant uterine serous tumors were sensitive to clofarabine, an RNR inhibitor (RNRi). Aα-mutant cells displayed impaired checkpoint signaling upon RNRi treatment and subsequently accumulated more DNA damage than wild-type (WT) cells. Consistently, inhibition of PP2A activity using LB-100, a catalytic inhibitor, sensitized WT USC cells to RNRi. Analysis of The Cancer Genome Atlas data indicated that inactivation of PP2A, through loss of PP2A subunit expression, was prevalent in USC, with 88% of patients with USC harboring loss of at least one PP2A gene. In contrast, loss of PP2A subunit expression was rare in uterine endometrioid carcinomas. While RNRi are not routinely used for uterine cancers, a retrospective analysis of patients treated with gemcitabine as a second- or later-line therapy revealed a trend for improved outcomes in patients with USC treated with RNRi gemcitabine compared with patients with endometrioid histology. Overall, our data provide experimental evidence to support the use of ribonucleotide reductase inhibitors for the treatment of USC. SIGNIFICANCE A drug repurposing screen identifies synthetic lethal interactions in PP2A-deficient uterine serous carcinoma, providing potential therapeutic avenues for treating this deadly endometrial cancer.
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Affiliation(s)
- Caitlin M. O’Connor
- Department of Internal Medicine: Division of Genetic Medicine, The University of Michigan, Ann Arbor, Michigan
- Rogel Cancer Center, The University of Michigan, Ann Arbor, Michigan
| | - Sarah E. Taylor
- Department of Pathology, Case Western Reserve University, Cleveland, Ohio
| | - Kathryn M. Miller
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York City, New York
| | - Lauren Hurst
- Department of Internal Medicine: Division of Genetic Medicine, The University of Michigan, Ann Arbor, Michigan
| | - Terrance J. Haanen
- Rogel Cancer Center, The University of Michigan, Ann Arbor, Michigan
- Department of Cancer Biology, The University of Michigan, Ann Arbor, Michigan
| | - Tahra K. Suhan
- Department of Internal Medicine: Division of Genetic Medicine, The University of Michigan, Ann Arbor, Michigan
| | - Kaitlin P. Zawacki
- Department of Internal Medicine: Division of Genetic Medicine, The University of Michigan, Ann Arbor, Michigan
| | | | - Jonida Trako
- Department of Internal Medicine: Division of Genetic Medicine, The University of Michigan, Ann Arbor, Michigan
| | - Arathi Mohan
- Department of Internal Medicine: Division of Genetic Medicine, The University of Michigan, Ann Arbor, Michigan
| | - Jaya Sangodkar
- Department of Internal Medicine: Division of Genetic Medicine, The University of Michigan, Ann Arbor, Michigan
| | - Dmitriy Zamarin
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York City, New York
| | - Analisa DiFeo
- Rogel Cancer Center, The University of Michigan, Ann Arbor, Michigan
- Department of Pathology, The University of Michigan, Ann Arbor, Michigan
- Department of Obstetrics and Gynecology, The University of Michigan, Ann Arbor, Michigan
| | - Goutham Narla
- Department of Internal Medicine: Division of Genetic Medicine, The University of Michigan, Ann Arbor, Michigan
- Rogel Cancer Center, The University of Michigan, Ann Arbor, Michigan
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5
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Jebaraj BMC, Müller A, Dheenadayalan RP, Endres S, Roessner PM, Seyfried F, Walliser C, Wist M, Qi J, Tausch E, Mertens D, Fox JA, Debatin KM, Meyer LH, Taverna P, Seiffert M, Gierschik P, Stilgenbauer S. Evaluation of vecabrutinib as a model for noncovalent BTK/ITK inhibition for treatment of chronic lymphocytic leukemia. Blood 2022; 139:859-875. [PMID: 34662393 DOI: 10.1182/blood.2021011516] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 10/07/2021] [Indexed: 11/20/2022] Open
Abstract
Covalent Bruton tyrosine kinase (BTK) inhibitors, such as ibrutinib, have proven to be highly beneficial in the treatment of chronic lymphocytic leukemia (CLL). Interestingly, the off-target inhibition of IL-2-inducible T-cell kinase (ITK) by ibrutinib may also play a role in modulating the tumor microenvironment, potentially enhancing the treatment benefit. However, resistance to covalently binding BTK inhibitors can develop as the result of a mutation in cysteine 481 of BTK (C481S), which prevents irreversible binding of the drugs. In the present study we performed preclinical characterization of vecabrutinib, a next-generation noncovalent BTK inhibitor that has ITK-inhibitory properties similar to those of ibrutinib. Unlike ibrutinib and other covalent BTK inhibitors, vecabrutinib showed retention of the inhibitory effect on C481S BTK mutants in vitro, similar to that of wild-type BTK. In the murine Eμ-TCL1 adoptive transfer model, vecabrutinib reduced tumor burden and significantly improved survival. Vecabrutinib treatment led to a decrease in CD8+ effector and memory T-cell populations, whereas the naive populations were increased. Of importance, vecabrutinib treatment significantly reduced the frequency of regulatory CD4+ T cells in vivo. Unlike ibrutinib, vecabrutinib treatment showed minimal adverse impact on the activation and proliferation of isolated T cells. Lastly, combination treatment with vecabrutinib and venetoclax augmented treatment efficacy, significantly improved survival, and led to favorable reprogramming of the microenvironment in the murine Eμ-TCL1 model. Thus, noncovalent BTK/ITK inhibitors, such as vecabrutinib, may be efficacious in C481S BTK mutant CLL while preserving the T-cell immunomodulatory function of ibrutinib.
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Affiliation(s)
- Billy Michael Chelliah Jebaraj
- Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, Ulm University Medical Center, Ulm, Germany
| | - Annika Müller
- Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, Ulm University Medical Center, Ulm, Germany
| | | | - Sascha Endres
- Institute of Pharmacology and Toxicology, Ulm University, Ulm, Germany
| | | | - Felix Seyfried
- Department of Pediatrics and Adolescent Medicine, Ulm University Medical Center, Ulm, Germany
| | - Claudia Walliser
- Institute of Pharmacology and Toxicology, Ulm University, Ulm, Germany
| | - Martin Wist
- Institute of Pharmacology and Toxicology, Ulm University, Ulm, Germany
| | - Jialei Qi
- Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, Ulm University Medical Center, Ulm, Germany
| | - Eugen Tausch
- Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, Ulm University Medical Center, Ulm, Germany
| | - Daniel Mertens
- Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, Ulm University Medical Center, Ulm, Germany
- Cooperation Unit "Mechanisms of Leukemogenesis", German Cancer Research Center, Heidelberg, Germany
| | - Judith A Fox
- Sunesis Pharmaceuticals, Inc., South San Francisco, CA; and
| | - Klaus-Michael Debatin
- Department of Pediatrics and Adolescent Medicine, Ulm University Medical Center, Ulm, Germany
| | - Lüder Hinrich Meyer
- Department of Pediatrics and Adolescent Medicine, Ulm University Medical Center, Ulm, Germany
| | - Pietro Taverna
- Sunesis Pharmaceuticals, Inc., South San Francisco, CA; and
| | - Martina Seiffert
- Molecular Genetics, German Cancer Research Center, Heidelberg, Germany
| | - Peter Gierschik
- Institute of Pharmacology and Toxicology, Ulm University, Ulm, Germany
| | - Stephan Stilgenbauer
- Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, Ulm University Medical Center, Ulm, Germany
- Comprehensive Cancer Center Ulm, Ulm University Medical Center, Ulm, Germany
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6
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Esposito D, Pant I, Shen Y, Qiao RF, Yang X, Bai Y, Jin J, Poulikakos PI, Aaronson SA. ROCK1 mechano-signaling dependency of human malignancies driven by TEAD/YAP activation. Nat Commun 2022; 13:703. [PMID: 35121738 PMCID: PMC8817028 DOI: 10.1038/s41467-022-28319-3] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 01/19/2022] [Indexed: 12/14/2022] Open
Abstract
Rho family mechano-signaling through the actin cytoskeleton positively regulates physiological TEAD/YAP transcription, while the evolutionarily conserved Hippo tumor suppressor pathway antagonizes this transcription through YAP cytoplasmic localization/degradation. The mechanisms responsible for oncogenic dysregulation of these pathways, their prevalence in tumors, as well as how such dysregulation can be therapeutically targeted are not resolved. We demonstrate that p53 DNA contact mutants in human tumors, indirectly hyperactivate RhoA/ROCK1/actomyosin signaling, which is both necessary and sufficient to drive oncogenic TEAD/YAP transcription. Moreover, we demonstrate that recurrent lesions in the Hippo pathway depend on physiological levels of ROCK1/actomyosin signaling for oncogenic TEAD/YAP transcription. Finally, we show that ROCK inhibitors selectively antagonize proliferation and motility of human tumors with either mechanism. Thus, we identify a cancer driver paradigm and a precision medicine approach for selective targeting of human malignancies driven by TEAD/YAP transcription through mechanisms that either upregulate or depend on homeostatic RhoA mechano-signaling.
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Affiliation(s)
- Davide Esposito
- Department of Oncological Sciences, Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Ila Pant
- Department of Oncological Sciences, Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Yao Shen
- Department of Oncological Sciences, Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Rui F Qiao
- Department of Oncological Sciences, Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Xiaobao Yang
- Mount Sinai Center for Therapeutics Discovery, Departments of Pharmacological Sciences and Oncological Sciences, Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Yiyang Bai
- Department of Oncological Sciences, Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Department of Medical Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
| | - Jian Jin
- Mount Sinai Center for Therapeutics Discovery, Departments of Pharmacological Sciences and Oncological Sciences, Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Poulikos I Poulikakos
- Department of Oncological Sciences, Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Department of Dermatology, The Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Stuart A Aaronson
- Department of Oncological Sciences, Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA.
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7
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Huang F, Xiang Y, Li T, Huang Y, Wang J, Zhang HM, Li HH, Dai ZT, Li JP, Li H, Zhou J, Liao XH. Metformin and MiR-365 synergistically promote the apoptosis of gastric cancer cells via MiR-365-PTEN-AMPK axis. Pathol Res Pract 2022; 230:153740. [PMID: 35007850 DOI: 10.1016/j.prp.2021.153740] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 12/10/2021] [Accepted: 12/16/2021] [Indexed: 01/19/2023]
Abstract
Metformin is an oral biguanide used to treat diabetes. Recent study showed it may interfere was related to cancer progression and has a positive effect on cancer prevention and treatment, which attracts a new hot research topic. Here we show that Metformin suppressed the proliferation but induced apoptosis of gastric cells. Notably, Metformin enhanced gastriccell apoptosis via modulating AMPK signaling. Furthermore, Metformin and miR-365 synergistically promote the apoptosis of gastric cancer cells by miR-365-PTEN-AMPK axis. Our study unraveled a novel signaling axis in the regulation in gastric cancer, which could be amplified by the application of metformin. The new effect of metformin potentiates its novel therapeutic application in the future. AVAILABILITY OF DATA AND MATERIALS: The data generated during this study are included in this article and its supplementary information files are available from the corresponding author on reasonable request.
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Affiliation(s)
- Feng Huang
- Institute of Biology and Medicine, Wuhan University of Science and Technology, 430000, PR China.
| | - Yuan Xiang
- Department of Medical Laboratory, Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Hubei 430014, PR China.
| | - Ting Li
- Institute of Biology and Medicine, Wuhan University of Science and Technology, 430000, PR China.
| | - You Huang
- Institute of Biology and Medicine, Wuhan University of Science and Technology, 430000, PR China.
| | - Jun Wang
- Institute of Biology and Medicine, Wuhan University of Science and Technology, 430000, PR China.
| | - Hui-Min Zhang
- Institute of Biology and Medicine, Wuhan University of Science and Technology, 430000, PR China.
| | - Han-Han Li
- Institute of Biology and Medicine, Wuhan University of Science and Technology, 430000, PR China.
| | - Zhou-Tong Dai
- Institute of Biology and Medicine, Wuhan University of Science and Technology, 430000, PR China.
| | - Jia-Peng Li
- Institute of Biology and Medicine, Wuhan University of Science and Technology, 430000, PR China.
| | - Hui Li
- Institute of Biology and Medicine, Wuhan University of Science and Technology, 430000, PR China.
| | - Jun Zhou
- Institute of Biology and Medicine, Wuhan University of Science and Technology, 430000, PR China.
| | - Xing-Hua Liao
- Institute of Biology and Medicine, Wuhan University of Science and Technology, 430000, PR China.
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8
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Furman WL, McCarville B, Shulkin BL, Davidoff A, Krasin M, Hsu CW, Pan H, Wu J, Brennan R, Bishop MW, Helmig S, Stewart E, Navid F, Triplett B, Santana V, Santiago T, Hank JA, Gillies SD, Yu A, Sondel PM, Leung WH, Pappo A, Federico SM. Improved Outcome in Children With Newly Diagnosed High-Risk Neuroblastoma Treated With Chemoimmunotherapy: Updated Results of a Phase II Study Using hu14.18K322A. J Clin Oncol 2022; 40:335-344. [PMID: 34871104 PMCID: PMC8797508 DOI: 10.1200/jco.21.01375] [Citation(s) in RCA: 41] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 09/30/2021] [Accepted: 11/01/2021] [Indexed: 02/03/2023] Open
Abstract
PURPOSE We evaluated whether combining a humanized antidisialoganglioside monoclonal antibody (hu14.18K322A) throughout therapy improves early response and outcomes in children with newly diagnosed high-risk neuroblastoma. PATIENTS AND METHODS We conducted a prospective, single-arm, three-stage, phase II clinical trial. Six cycles of induction chemotherapy were coadministered with hu14.18K322A, granulocyte-macrophage colony-stimulating factor (GM-CSF), and low-dose interleukin-2 (IL-2). The consolidation regimen included busulfan and melphalan. When available, an additional cycle of parent-derived natural killer cells with hu14.18K322A was administered during consolidation (n = 31). Radiation therapy was administered at the end of consolidation. Postconsolidation treatment included hu14.18K322A, GM-CSF, IL-2, and isotretinoin. Early response was assessed after the first two cycles of induction therapy. End-of-induction response, event-free survival (EFS), and overall survival (OS) were evaluated. RESULTS Sixty-four patients received hu14.18K322A with induction chemotherapy. This regimen was well tolerated, with continuous infusion narcotics. Partial responses (PRs) or better after the first two chemoimmunotherapy cycles occurred in 42 of 63 evaluable patients (66.7%; 95% CI, 55.0 to 78.3). Primary tumor volume decreased by a median of 75% (range, 100% [complete disappearance]-5% growth). Median peak hu14.18K322A serum levels in cycle one correlated with early response to therapy (P = .0154, one-sided t-test). Sixty of 62 patients (97%) had an end-of-induction partial response or better. No patients experienced progressive disease during induction. The 3-year EFS was 73.7% (95% CI, 60.0 to 83.4), and the OS was 86.0% (95% CI, 73.8 to 92.8), respectively. CONCLUSION Adding hu14.18K322A to induction chemotherapy improved early objective responses, significantly reduced tumor volumes in most patients, improved end-of-induction response rates, and yielded an encouraging 3-year EFS. These results, if validated in a larger study, may be practice changing.
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Affiliation(s)
- Wayne L. Furman
- Department of Oncology, St Jude Children's Research Hospital, Memphis, TN
| | | | | | | | | | - Chia-Wei Hsu
- St Jude Children's Research Hospital, Memphis, TN
| | - Haitao Pan
- St Jude Children's Research Hospital, Memphis, TN
| | | | - Rachel Brennan
- Department of Oncology, St Jude Children's Research Hospital, Memphis, TN
| | - Michael W. Bishop
- Department of Oncology, St Jude Children's Research Hospital, Memphis, TN
| | - Sara Helmig
- Department of Oncology, St Jude Children's Research Hospital, Memphis, TN
| | - Elizabeth Stewart
- Department of Oncology, St Jude Children's Research Hospital, Memphis, TN
| | - Fariba Navid
- Department of Pediatrics, Children's Hospital Los Angeles, University of Southern California, Los Angeles, CA
| | | | | | | | - Jacquelyn A. Hank
- Departments of Pediatrics and Human Oncology, University of Wisconsin, Madison, WI
| | | | - Alice Yu
- University of California San Diego, San Diego, CA
- Institute of Stem Cell and Translational Cancer Research, Chang Gung Memorial Hospital at Linkou and Chang Gung University, Taiwan
| | - Paul M. Sondel
- Departments of Pediatrics and Human Oncology, University of Wisconsin, Madison, WI
| | - Wing H. Leung
- Department of Pediatrics, University of Hong Kong, Hong Kong
| | - Alberto Pappo
- Department of Oncology, St Jude Children's Research Hospital, Memphis, TN
| | - Sara M. Federico
- Department of Oncology, St Jude Children's Research Hospital, Memphis, TN
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9
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Kheshti AMS, Hajizadeh F, Barshidi A, Rashidi B, Ebrahimi F, Bahmanpour S, Karpisheh V, Noukabadi FK, Kiani FK, Hassannia H, Atyabi F, Kiaie SH, Kashanchi F, Navashenaq JG, Mohammadi H, Bagherifar R, Jafari R, Zolbanin NM, Jadidi-Niaragh F. Combination Cancer Immunotherapy with Dendritic Cell Vaccine and Nanoparticles Loaded with Interleukin-15 and Anti-beta-catenin siRNA Significantly Inhibits Cancer Growth and Induces Anti-Tumor Immune Response. Pharm Res 2022; 39:353-367. [PMID: 35166995 DOI: 10.1007/s11095-022-03169-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 01/13/2022] [Indexed: 12/14/2022]
Abstract
PURPOSE The invention and application of new immunotherapeutic methods can compensate for the inefficiency of conventional cancer treatment approaches, partly due to the inhibitory microenvironment of the tumor. In this study, we tried to inhibit the growth of cancer cells and induce anti-tumor immune responses by silencing the expression of the β-catenin in the tumor microenvironment and transmitting interleukin (IL)-15 cytokine to provide optimal conditions for the dendritic cell (DC) vaccine. METHODS For this purpose, we used folic acid (FA)-conjugated SPION-carboxymethyl dextran (CMD) chitosan (C) nanoparticles (NPs) to deliver anti-β-catenin siRNA and IL-15 to cancer cells. RESULTS The results showed that the codelivery of β-catenin siRNA and IL-15 significantly reduced the growth of cancer cells and increased the immune response. The treatment also considerably stimulated the performance of the DC vaccine in triggering anti-tumor immunity, which inhibited tumor development and increased survival in mice in two different cancer models. CONCLUSIONS These findings suggest that the use of new nanocarriers such as SPION-C-CMD-FA could be an effective way to use as a novel combination therapy consisting of β-catenin siRNA, IL-15, and DC vaccine to treat cancer.
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MESH Headings
- Animals
- Antineoplastic Agents/administration & dosage
- Antineoplastic Agents/chemistry
- Cancer Vaccines/administration & dosage
- Cancer Vaccines/immunology
- Cell Line, Tumor
- Cell Proliferation/drug effects
- Dendritic Cells/immunology
- Dendritic Cells/transplantation
- Drug Carriers
- Drug Compounding
- Female
- Gene Expression Regulation, Neoplastic
- Interleukin-15/administration & dosage
- Interleukin-15/chemistry
- Lymphocytes, Tumor-Infiltrating/immunology
- Magnetic Iron Oxide Nanoparticles
- Melanoma, Experimental/genetics
- Melanoma, Experimental/immunology
- Melanoma, Experimental/pathology
- Melanoma, Experimental/therapy
- Mice, Inbred BALB C
- RNA, Small Interfering/administration & dosage
- RNA, Small Interfering/genetics
- RNAi Therapeutics
- Skin Neoplasms/genetics
- Skin Neoplasms/immunology
- Skin Neoplasms/pathology
- Skin Neoplasms/therapy
- Tumor Burden/drug effects
- Tumor Microenvironment
- beta Catenin/genetics
- Mice
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Affiliation(s)
| | - Farnaz Hajizadeh
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Asal Barshidi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Bentolhoda Rashidi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Farbod Ebrahimi
- Nanoparticle Process Technology, Faculty of Engineering, University of Duisburg-Essen, Duisburg, Germany
| | - Simin Bahmanpour
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Vahid Karpisheh
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Fariba Karoon Kiani
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hadi Hassannia
- Immunogenetic Research Center, Faculty of Medicine and Amol Faculty of Paramedical Sciences, Mazandaran University of Medical Sciences, Sari, Iran
| | - Fatemeh Atyabi
- Nanotechnology Research Centre, Department of Pharmaceutics, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Seyed Hossein Kiaie
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Nano Drug Delivery Research Center, Kermanshah University of Medical Sciences, Kermanshah, 6715847141, Iran
| | - Fatah Kashanchi
- Laboratory of Molecular Virology, School of Systems Biology, George Mason University, Manassas, Virginia, USA
| | | | - Hamed Mohammadi
- Non-communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | - Rafieh Bagherifar
- Nano Drug Delivery Research Center, Kermanshah University of Medical Sciences, Kermanshah, 6715847141, Iran
| | - Reza Jafari
- Nephrology and Kidney Transplant Research Center, Clinical Research Institute, Urmia University of Medical Sciences, Urmia, Iran
- Hematology, Immune Cell Therapy, and Stem Cell Transplantation Research Center, Clinical Research Institute, Urmia University of Medical Sciences, Urmia, Iran
| | - Naime Majidi Zolbanin
- Hematology, Immune Cell Therapy, and Stem Cell Transplantation Research Center, Clinical Research Institute, Urmia University of Medical Sciences, Urmia, Iran.
- Experimental and Applied Pharmaceutical Research Center, Urmia University of Medical Sciences, Urmia, Iran.
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Urmia University of Medical Sciences, Urmia, Iran.
| | - Farhad Jadidi-Niaragh
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
- Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
- Research Center for Integrative Medicine in Aging, Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran.
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10
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Jin L, Kiang KMY, Cheng SY, Leung GKK. Pharmacological inhibition of serine synthesis enhances temozolomide efficacy by decreasing O 6-methylguanine DNA methyltransferase (MGMT) expression and reactive oxygen species (ROS)-mediated DNA damage in glioblastoma. J Transl Med 2022; 102:194-203. [PMID: 34625658 DOI: 10.1038/s41374-021-00666-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 08/12/2021] [Accepted: 08/12/2021] [Indexed: 01/20/2023] Open
Abstract
Glioblastoma (GBM) is the most malignant primary tumor in the central nervous system of adults. Temozolomide (TMZ), an alkylating agent, is the first-line chemotherapeutic agent for GBM patients. However, its efficacy is often limited by innate or acquired chemoresistance. Cancer cells can rewire their metabolic programming to support rapid growth and sustain cell survival against chemotherapies. An example is the de novo serine synthesis pathway (SSP), one of the main branches from glycolysis that is highly activated in multiple cancers in promoting cancer progression and inducing chemotherapy resistance. However, the roles of SSP in TMZ therapy for GBM patients remain unexplored. In this study, we employed NCT503, a highly selective inhibitor of phosphoglycerate dehydrogenase (PHGDH, the first rate-limiting enzyme of SSP), to study whether inhibition of SSP may enhance TMZ efficacy in MGMT-positive GBMs. 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT), flowcytometry and colony formation assays demonstrated that NCT503 worked synergistically with TMZ in suppressing GBM cell growth and inducing apoptosis in T98G and U118 cells in vitro. U118 and patient-derived GBM subcutaneous xenograft models showed that combined NCT503 and TMZ treatment inhibited GBM growth and promoted apoptosis more significantly than would each treatment alone in vivo. Mechanistically, we found that NCT503 treatment decreased MGMT expression possibly by modulating the Wnt/β-catenin pathway. Moreover, intracellular levels of reactive oxygen species were elevated especially when NCT503 and TMZ treatments were combined, and the synergistic effects could be partially negated by NAC, a classic scavenger of reactive oxygen species. Taken together, these results suggest that NCT503 may be a promising agent for augmenting TMZ efficacy in the treatment of GBM, especially in TMZ-resistant GBMs with high expression of MGMT.
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Affiliation(s)
- Lei Jin
- Department of Surgery, Li Ka Shing Faculty of Medicine, the University of Hong Kong, Hong Kong, China
| | - Karrie Mei-Yee Kiang
- Department of Surgery, Li Ka Shing Faculty of Medicine, the University of Hong Kong, Hong Kong, China
| | - Stephen Yin Cheng
- Department of Surgery, Li Ka Shing Faculty of Medicine, the University of Hong Kong, Hong Kong, China
| | - Gilberto Ka-Kit Leung
- Department of Surgery, Li Ka Shing Faculty of Medicine, the University of Hong Kong, Hong Kong, China.
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11
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Liu C, Huang Y, Cui Y, Zhou J, Qin X, Zhang L, Li X, Li Y, Guo E, Yang B, Li X, Fan J, Li X, Fu Y, Liu S, Hu D, Xiao R, Wang Z, Dou Y, Wang W, Li W, Yang X, Liu J, Peng W, Qin T, You L, Lu F, Sun C. The Immunological Role of CDK4/6 and Potential Mechanism Exploration in Ovarian Cancer. Front Immunol 2022; 12:799171. [PMID: 35095879 PMCID: PMC8795791 DOI: 10.3389/fimmu.2021.799171] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 12/16/2021] [Indexed: 12/15/2022] Open
Abstract
Background Ovarian cancer (OC) is one of the most lethal gynecologic cancers. Growing evidence has proven that CDK4/6 plays a key role in tumor immunity and the prognosis of many cancers. However, the expression and function of CDK4/6 in OC remain unclear. Therefore, we aimed to explore the influence of CDK4/6 in OC, especially on immunity. Methods We analyzed CDK4/6 expression and prognosis using The Cancer Genome Atlas (TCGA), Gene Expression Omnibus (GEO) and Genotype Tissue Expression (GTEx) data. Subsequently, we used the cytoHubba plug-in of Cytoscape software and starBase to identify the noncoding RNAs (ncRNAs) regulating CDK4/6. Finally, we verified the effect of CDK4/6 on immunity in OC cell lines and animal models. Results CDK4/6 expression was higher in OC tissues than in normal ovarian tissues, and the high expression levels of CDK4/6 contributed to the immunosuppressive state of OC and were thus related to the poor prognosis of OC patients. This was also in general agreement with the results of OC cell line and animal experiments. Mechanistically, the CDK4/6 inhibitor palbociclib increased the secretion of interferon (IFN)-γ and the interferon-stimulated gene (ISG) response, thereby upregulating the expression of antigen-presenting molecules; this effect was partly dependent on the STING pathway and thus activated immunity in OC. Additionally, according to public data, the LRRC75A-AS1-hsa-miR-330-5p axis could inhibit the immune response of OC patients by upregulating CDK4/6, leading to a poor prognosis. Conclusion CDK4/6 affects the immune microenvironment of OC and correlates with the prognosis of OC patients.
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Affiliation(s)
- Chen Liu
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yuhan Huang
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Obstetrics and Gynecology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yaoyuan Cui
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jun Zhou
- Department of Pediatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xu Qin
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Li Zhang
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xi Li
- Department of Obstetrics and Gynecology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yuan Li
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ensong Guo
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Bin Yang
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xi Li
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Junpeng Fan
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiong Li
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yu Fu
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Si Liu
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Dianxing Hu
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Rourou Xiao
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zizhuo Wang
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yingyu Dou
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Wei Wang
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Wenting Li
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiaohang Yang
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jingbo Liu
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Wenju Peng
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Tianyu Qin
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Lixin You
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Funian Lu
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Chaoyang Sun
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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12
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Momin N, Palmeri JR, Lutz EA, Jailkhani N, Mak H, Tabet A, Chinn MM, Kang BH, Spanoudaki V, Hynes RO, Wittrup KD. Maximizing response to intratumoral immunotherapy in mice by tuning local retention. Nat Commun 2022; 13:109. [PMID: 35013154 PMCID: PMC8748612 DOI: 10.1038/s41467-021-27390-6] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Accepted: 11/17/2021] [Indexed: 01/08/2023] Open
Abstract
Direct injection of therapies into tumors has emerged as an administration route capable of achieving high local drug exposure and strong anti-tumor response. A diverse array of immune agonists ranging in size and target are under development as local immunotherapies. However, due to the relatively recent adoption of intratumoral administration, the pharmacokinetics of locally-injected biologics remains poorly defined, limiting rational design of tumor-localized immunotherapies. Here we define a pharmacokinetic framework for biologics injected intratumorally that can predict tumor exposure and effectiveness. We find empirically and computationally that extending the tumor exposure of locally-injected interleukin-2 by increasing molecular size and/or improving matrix-targeting affinity improves therapeutic efficacy in mice. By tracking the distribution of intratumorally-injected proteins using positron emission tomography, we observe size-dependent enhancement in tumor exposure occurs by slowing the rate of diffusive escape from the tumor and by increasing partitioning to an apparent viscous region of the tumor. In elucidating how molecular weight and matrix binding interplay to determine tumor exposure, our model can aid in the design of intratumoral therapies to exert maximal therapeutic effect.
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Affiliation(s)
- Noor Momin
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, 02142, USA
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02142, USA
| | - Joseph R Palmeri
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, 02142, USA
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02142, USA
| | - Emi A Lutz
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, 02142, USA
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02142, USA
| | - Noor Jailkhani
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, 02142, USA
| | - Howard Mak
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, 02142, USA
| | - Anthony Tabet
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, 02142, USA
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02142, USA
- Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA, 02142, USA
- McGovern Institute for Brain Research, Massachusetts Institute of Technology, Cambridge, MA, 02142, USA
| | - Magnolia M Chinn
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, 02142, USA
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02142, USA
| | - Byong H Kang
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, 02142, USA
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02142, USA
| | - Virginia Spanoudaki
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, 02142, USA
| | - Richard O Hynes
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, 02142, USA
- Department of Biology, Massachusetts Institute of Technology, Cambridge, MA, 02142, USA
| | - K Dane Wittrup
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, 02142, USA.
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02142, USA.
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02142, USA.
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13
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Reich LA, Moerland JA, Leal AS, Zhang D, Carapellucci S, Lockwood B, Jurutka PW, Marshall PA, Wagner CE, Liby KT. The rexinoid V-125 reduces tumor growth in preclinical models of breast and lung cancer. Sci Rep 2022; 12:293. [PMID: 34997154 PMCID: PMC8742020 DOI: 10.1038/s41598-021-04415-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Accepted: 12/20/2021] [Indexed: 11/09/2022] Open
Abstract
Rexinoids are ligands which activate retinoid X receptors (RXRs), regulating transcription of genes involved in cancer-relevant processes. Rexinoids have anti-neoplastic activity in multiple preclinical studies. Bexarotene, used to treat cutaneous T cell lymphoma, is the only FDA-approved rexinoid. Bexarotene has also been evaluated in clinical trials for lung and metastatic breast cancer, wherein subsets of patients responded despite advanced disease. By modifying structures of known rexinoids, we can improve potency and toxicity. We previously screened a series of novel rexinoids and selected V-125 as the lead based on performance in optimized in vitro assays. To validate our screening paradigm, we tested V-125 in clinically relevant mouse models of breast and lung cancer. V-125 significantly (p < 0.001) increased time to tumor development in the MMTV-Neu breast cancer model. Treatment of established mammary tumors with V-125 significantly (p < 0.05) increased overall survival. In the A/J lung cancer model, V-125 significantly (p < 0.01) decreased number, size, and burden of lung tumors. Although bexarotene elevated triglycerides and cholesterol in these models, V-125 demonstrated an improved safety profile. These studies provide evidence that our screening paradigm predicts novel rexinoid efficacy and suggest that V-125 could be developed into a new cancer therapeutic.
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Affiliation(s)
- Lyndsey A Reich
- Department of Pharmacology and Toxicology, Michigan State University College of Osteopathic Medicine, B430 Life Science Building, 1355 Bogue Street, East Lansing, MI, 48824, USA
| | - Jessica A Moerland
- Department of Pharmacology and Toxicology, Michigan State University College of Osteopathic Medicine, B430 Life Science Building, 1355 Bogue Street, East Lansing, MI, 48824, USA
| | - Ana S Leal
- Department of Pharmacology and Toxicology, Michigan State University College of Osteopathic Medicine, B430 Life Science Building, 1355 Bogue Street, East Lansing, MI, 48824, USA
| | - Di Zhang
- Department of Pharmacology and Toxicology, Michigan State University College of Osteopathic Medicine, B430 Life Science Building, 1355 Bogue Street, East Lansing, MI, 48824, USA
| | - Sarah Carapellucci
- Department of Pharmacology and Toxicology, Michigan State University College of Osteopathic Medicine, B430 Life Science Building, 1355 Bogue Street, East Lansing, MI, 48824, USA
| | - Beth Lockwood
- Department of Pharmacology and Toxicology, Michigan State University College of Osteopathic Medicine, B430 Life Science Building, 1355 Bogue Street, East Lansing, MI, 48824, USA
| | - Peter W Jurutka
- School of Mathematical and Natural Sciences, New College of Interdisciplinary Arts and Sciences, Arizona State University, Glendale, AZ, USA
| | - Pamela A Marshall
- School of Mathematical and Natural Sciences, New College of Interdisciplinary Arts and Sciences, Arizona State University, Glendale, AZ, USA
| | - Carl E Wagner
- School of Mathematical and Natural Sciences, New College of Interdisciplinary Arts and Sciences, Arizona State University, Glendale, AZ, USA
| | - Karen T Liby
- Department of Pharmacology and Toxicology, Michigan State University College of Osteopathic Medicine, B430 Life Science Building, 1355 Bogue Street, East Lansing, MI, 48824, USA.
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14
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Guo E, Xiao R, Wu Y, Lu F, Liu C, Yang B, Li X, Fu Y, Wang Z, Li Y, Huang Y, Li F, Wu X, You L, Qin T, Lu Y, Huang X, Ma D, Mills GB, Sun C, Chen G. WEE1 inhibition induces anti-tumor immunity by activating ERV and the dsRNA pathway. J Exp Med 2022; 219:e20210789. [PMID: 34825915 PMCID: PMC8628262 DOI: 10.1084/jem.20210789] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Revised: 08/10/2021] [Accepted: 10/06/2021] [Indexed: 12/11/2022] Open
Abstract
Targeted therapies represent attractive combination partners with immune checkpoint blockade (ICB) to increase the population of patients who benefit or to interdict the emergence of resistance. We demonstrate that targeting WEE1 up-regulates immune signaling through the double-stranded RNA (dsRNA) viral defense pathway with subsequent responsiveness to immune checkpoint blockade even in cGAS/STING-deficient tumors, which is a typical phenotype across multiple cancer types. WEE1 inhibition increases endogenous retroviral elements (ERVs) expression by relieving SETDB1/H3K9me3 repression through down-regulating FOXM1. ERVs trigger dsRNA stress and interferon response, increasing recruitment of anti-tumor T cells with concurrent PD-L1 elevation in multiple tumor models. Furthermore, combining WEE1 inhibition and PD-L1 blockade induced striking tumor regression in a CD8+ T cell-dependent manner. A WEE1 inhibition-induced viral defense signature provides a potentially informative biomarker for patient selection for combination therapy with WEE1 and ICB. WEE1 inhibition stimulates anti-tumor immunity and enhances sensitivity to ICB, providing a rationale for the combination of WEE1 inhibitors and ICB in clinical trials.
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MESH Headings
- A549 Cells
- Animals
- Antineoplastic Combined Chemotherapy Protocols/pharmacology
- CD8-Positive T-Lymphocytes/drug effects
- CD8-Positive T-Lymphocytes/immunology
- CD8-Positive T-Lymphocytes/metabolism
- Cell Cycle Proteins/antagonists & inhibitors
- Cell Cycle Proteins/genetics
- Cell Cycle Proteins/metabolism
- Cell Line, Tumor
- Endogenous Retroviruses/genetics
- Endogenous Retroviruses/metabolism
- Enzyme Inhibitors/administration & dosage
- Enzyme Inhibitors/pharmacology
- Female
- Gene Expression Regulation, Neoplastic/drug effects
- HCT116 Cells
- Humans
- Immune Checkpoint Inhibitors/administration & dosage
- Immune Checkpoint Inhibitors/pharmacology
- Mice, Inbred BALB C
- Mice, Inbred C57BL
- Mice, Inbred NOD
- Mice, SCID
- Neoplasms, Experimental/drug therapy
- Neoplasms, Experimental/genetics
- Neoplasms, Experimental/immunology
- Protein-Tyrosine Kinases/antagonists & inhibitors
- Protein-Tyrosine Kinases/genetics
- Protein-Tyrosine Kinases/metabolism
- Pyrazoles/administration & dosage
- Pyrazoles/pharmacology
- Pyrimidinones/administration & dosage
- Pyrimidinones/pharmacology
- RNA, Double-Stranded/genetics
- RNA, Double-Stranded/metabolism
- Signal Transduction/drug effects
- Signal Transduction/genetics
- Tumor Burden/drug effects
- Tumor Burden/genetics
- Tumor Burden/immunology
- Mice
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Affiliation(s)
- Ensong Guo
- National Clinical Research Center for Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Rourou Xiao
- National Clinical Research Center for Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yifan Wu
- National Clinical Research Center for Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Gynecology and Obstetrics, Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Funian Lu
- National Clinical Research Center for Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Chen Liu
- National Clinical Research Center for Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Bin Yang
- National Clinical Research Center for Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xi Li
- National Clinical Research Center for Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yu Fu
- National Clinical Research Center for Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zizhuo Wang
- National Clinical Research Center for Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yuan Li
- National Clinical Research Center for Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yuhan Huang
- National Clinical Research Center for Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Fuxia Li
- Department of Gynecology Oncology, Guangzhou Women and Children’s Hospital, Guangzhou, China
| | - Xue Wu
- National Clinical Research Center for Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Lixin You
- National Clinical Research Center for Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Tianyu Qin
- National Clinical Research Center for Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yiling Lu
- Department of Systems Biology, University of Texas M.D. Anderson Cancer Center, Houston, TX
| | - Xiaoyuan Huang
- National Clinical Research Center for Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ding Ma
- National Clinical Research Center for Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Gordon B. Mills
- Department of Cell, Development and Cancer Biology, Knight Cancer Institute, Oregon Health and Sciences University, Portland, OR
| | - Chaoyang Sun
- National Clinical Research Center for Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Gang Chen
- National Clinical Research Center for Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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15
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Kamli H, Owens EP, Vesey DA, Prasanna R, Li L, Gobe GC, Morais C. Overcoming sunitinib resistance with tocilizumab in renal cell carcinoma: Discordance between in vitro and in vivo effects. Biochem Biophys Res Commun 2022; 586:42-48. [PMID: 34826699 DOI: 10.1016/j.bbrc.2021.11.069] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 11/11/2021] [Accepted: 11/17/2021] [Indexed: 12/12/2022]
Abstract
Sunitinib is one of the first-line multi-tyrosine kinase inhibitors for metastatic renal cell carcinoma, and resistance to sunitinib continues to be a limiting factor for the successful treatment. As interleukin-6 (IL-6) is overexpressed in sunitinib-resistant cells, the purpose of this study was to explore the potential of IL-6 inhibition with tocilizumab, an IL-6 receptor inhibitor, to overcome resistance. In vitro, two sunitinib-resistant renal cell carcinoma cell lines (Caki-1 and SN12K1) were treated with tocilizumab. A mouse subcutaneous xenograft model was also used. Cell viability was studied by MTT assay, and apoptosis by morphology and ApopTag. Expression of IL-6, vascular endothelial growth factor (VEGF), and Bcl-2 was analyzed by qPCR. In vitro, tocilizumab induced significant cell death, and reduced the expression of IL-6, VEGF, and Bcl-2 in sunitinib-resistant cells. However, the in vitro findings could not be successfully translated in vivo, as tocilizumab did not decrease the growth of the tumors.
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MESH Headings
- Animals
- Antibodies, Monoclonal, Humanized/pharmacology
- Antineoplastic Agents/pharmacology
- Carcinoma, Renal Cell/drug therapy
- Carcinoma, Renal Cell/genetics
- Carcinoma, Renal Cell/metabolism
- Carcinoma, Renal Cell/pathology
- Cell Line, Tumor
- Cell Movement/drug effects
- Cell Proliferation/drug effects
- Cell Survival/drug effects
- Cell Survival/genetics
- Drug Resistance, Neoplasm/drug effects
- Drug Resistance, Neoplasm/genetics
- Gene Expression Regulation, Neoplastic
- Humans
- Interleukin-6/genetics
- Interleukin-6/metabolism
- Kidney Neoplasms/drug therapy
- Kidney Neoplasms/genetics
- Kidney Neoplasms/metabolism
- Kidney Neoplasms/pathology
- Male
- Mice, Nude
- Neoplasm Metastasis
- Proto-Oncogene Proteins c-bcl-2/genetics
- Proto-Oncogene Proteins c-bcl-2/metabolism
- Signal Transduction
- Sunitinib/pharmacology
- Tumor Burden/drug effects
- Vascular Endothelial Growth Factor A/genetics
- Vascular Endothelial Growth Factor A/metabolism
- Xenograft Model Antitumor Assays
- Mice
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Affiliation(s)
- Hossam Kamli
- Centre for Kidney Disease Research, The University of Queensland, Translational Research Institute, Brisbane, Australia; Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Khalid University, Abha, Saudi Arabia
| | - Evan P Owens
- Centre for Kidney Disease Research, The University of Queensland, Translational Research Institute, Brisbane, Australia
| | - David A Vesey
- Centre for Kidney Disease Research, The University of Queensland, Translational Research Institute, Brisbane, Australia; Department of Nephrology, Princess Alexandra Hospital, Brisbane, Australia
| | - Rajagopalan Prasanna
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Khalid University, Abha, Saudi Arabia
| | - Li Li
- Institute for Translational Research, Ochsner Clinical School, University Queensland School of Medicine, Ochsner Clinic Foundation, New Orleans, LA, USA
| | - Glenda C Gobe
- Centre for Kidney Disease Research, The University of Queensland, Translational Research Institute, Brisbane, Australia.
| | - Christudas Morais
- Department of Urology, Princess Alexandra Hospital, Brisbane, Australia; School of Biomedical Sciences, The University of Queensland, Brisbane, Australia.
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16
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Shao XQ, Chen ZY, Wang M, Yang YP, Yu YF, Liu WJ, Wang Y, Zeng FF, Gong W, Ye HY, Wang YF, Zhao Y, Zhang L, Zhang ZY, He M, Li YM. Effects of Long-Acting Somatostatin Analogues on Lipid Metabolism in Patients with Newly Diagnosed Acromegaly: A Retrospective Study of 120 Cases. Horm Metab Res 2022; 54:25-32. [PMID: 34986497 DOI: 10.1055/a-1717-9332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
The short-term effects of long-acting somatostatin analogues (SSAs) on lipid profiles in patients with acromegaly are not well studied. We retrospectively analyzed the effects of SSAs on lipid profiles and associated cardiovascular risk factors in a cohort of 120 newly diagnosed acromegaly patients. In this study, 69 females and 51 males were included. These patients were treated with either octreotide LAR (OCT) or lanreotide SR (LAN) for 3 months. After SSAs treatment, both GH and IGF-1 significantly decreased (p<0.001). Triglyceride (TG), total to high-density lipoprotein cholesterol (HDL-C) ratio, and lipoprotein (a) [Lp(a)] levels were significantly decreased, while HDL-C levels were increased (p<0.05). The reduction of mean serum GH (GHm) was positively associated with the decrease of TG (r=0.305, p=0.001) and Lp(a) (r=0.257, p=0.005), as well as the increase of HDL-C (r=-0.355, p<0.001). The changes of lipid profiles were observed only in OCT group, but not in LAN group. In addition, systolic blood pressure (SBP) had significantly declined after SSAs treatment, with an average reduction of 4.4 mmHg (126.7±1.28 vs. 122.3±1.44 mmHg, p=0.003), while no change was observed regarding diastolic blood pressure (DBP) (p>0.05). Fasting insulin, fasting C-peptide, and HOMA-IR were significantly decreased after SSAs treatment. In conclusion, our current study revealed that short-term SSAs treatment improves lipid profiles and other cardiovascular risk factors in patients with acromegaly.
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Affiliation(s)
- Xiao-Qing Shao
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai, China
| | - Zheng-Yuan Chen
- Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai, China
- Shanghai Pituitary Tumor Center, Shanghai, China
| | - Meng Wang
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai, China
| | - Ye-Ping Yang
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai, China
| | - Yi-Fei Yu
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai, China
- Shanghai Pituitary Tumor Center, Shanghai, China
| | - Wen-Juan Liu
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai, China
| | - Yi Wang
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai, China
- Shanghai Pituitary Tumor Center, Shanghai, China
| | - Fang-Fang Zeng
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai, China
| | - Wei Gong
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai, China
| | - Hong-Ying Ye
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai, China
- Shanghai Pituitary Tumor Center, Shanghai, China
| | - Yong-Fei Wang
- Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai, China
- Shanghai Pituitary Tumor Center, Shanghai, China
| | - Yao Zhao
- Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai, China
- Shanghai Pituitary Tumor Center, Shanghai, China
| | - Li Zhang
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai, China
| | - Zhao-Yun Zhang
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai, China
- Shanghai Pituitary Tumor Center, Shanghai, China
| | - Min He
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai, China
- Shanghai Pituitary Tumor Center, Shanghai, China
| | - Yi-Ming Li
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai, China
- Shanghai Pituitary Tumor Center, Shanghai, China
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17
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Liu YX, Xu BW, Niu XD, Chen YJ, Fu XQ, Wang XQ, Yin CL, Chou JY, Li JK, Wu JY, Bai JX, Wu Y, Li SM, Yu ZL. Inhibition of Src/STAT3 signaling-mediated angiogenesis is involved in the anti-melanoma effects of dioscin. Pharmacol Res 2022; 175:105983. [PMID: 34822972 DOI: 10.1016/j.phrs.2021.105983] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Revised: 11/08/2021] [Accepted: 11/10/2021] [Indexed: 12/26/2022]
Abstract
Angiogenesis plays an important role in the growth and metastasis of solid tumors including melanoma. Inhibiting tumor-associated angiogenesis is a tactic in treating melanoma. Dioscin restrains angiogenesis in colon tumor and has anti-melanoma effects in cell and animal models. In a previous study, we found that dioscin inhibits Src/STAT3 signaling in melanoma cells. Activation of the Src/STAT3 pathway has been shown to promote tumor angiogenesis. This study aimed to determine whether dioscin's anti-melanoma effects is related to inhibiting Src/STAT3 signaling-mediated angiogenesis. In a B16F10 allograft mouse model, we found that dioscin inhibited melanoma growth and angiogenesis. To exclude the impact of tumor growth on angiogenesis, a chicken chorioallantoic membrane (CAM) model was used to verify the anti-angiogenic effect of dioscin. Results showed that dioscin suppressed vessel formation in CAM. To determine if tumor secreted pro-angiogenic cytokines are involved in the anti-angiogenic effect of dioscin, conditioned media from dioscin-treated A375 melanoma cells were used to culture human umbilical vein endothelial cells (HUVECs), and tube formation was monitored. It was observed that the tube formation of HUVECs was inhibited. Mechanistic studies revealed that dioscin inhibited the activation of Src and STAT3, and lowered mRNA and protein levels of STAT3 transcriptionally-regulated genes, in B16F10 melanomas. ELISA assays showed that dioscin decreased the secretion of MMP-2, MMP-9 and VEGF from A375 cells. Over-activation of STAT3 lessened the effects of dioscin in decreasing the secretion of pro-angiogenic cytokines from melanoma cells, and in inhibiting tube formation of HUVECs cultured with conditioned media from melanoma cell cultures. In summary, we for the first time demonstrated that inhibiting Src/STAT3 signaling-mediated angiogenesis is involved in the anti-melanoma effects of dioscin. This study provides further pharmacological groundwork for developing dioscin as an anti-melanoma agent.
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Affiliation(s)
- Yu-Xi Liu
- Centre for Cancer and Inflammation Research, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China
| | - Bo-Wen Xu
- Centre for Cancer and Inflammation Research, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China
| | - Xiao-Di Niu
- College of Food Science and Engineering, Jilin University, Changchun, China
| | - Ying-Jie Chen
- Centre for Cancer and Inflammation Research, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China
| | - Xiu-Qiong Fu
- Centre for Cancer and Inflammation Research, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China
| | - Xiao-Qi Wang
- Centre for Cancer and Inflammation Research, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China
| | - Cheng-Le Yin
- Centre for Cancer and Inflammation Research, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China
| | - Ji-Yao Chou
- Centre for Cancer and Inflammation Research, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China
| | - Jun-Kui Li
- Centre for Cancer and Inflammation Research, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China
| | - Jia-Ying Wu
- Centre for Cancer and Inflammation Research, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China
| | - Jing-Xuan Bai
- Centre for Cancer and Inflammation Research, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China
| | - Ying Wu
- Centre for Cancer and Inflammation Research, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China
| | - Sze-Man Li
- Centre for Cancer and Inflammation Research, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China
| | - Zhi-Ling Yu
- Centre for Cancer and Inflammation Research, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China; Consun Chinese Medicines Research Centre for Renal Diseases, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China; Research and Development Centre for Natural Health Products, HKBU Institute for Research and Continuing Education, Shenzhen, China.
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18
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Gu H, Li Y, Cui X, Cao H, Hou Z, Ti Y, Liu D, Gao J, Wang Y, Wen P. MICAL1 inhibits colorectal cancer cell migration and proliferation by regulating the EGR1/β-catenin signaling pathway. Biochem Pharmacol 2022; 195:114870. [PMID: 34902339 DOI: 10.1016/j.bcp.2021.114870] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 11/18/2021] [Accepted: 12/03/2021] [Indexed: 12/26/2022]
Abstract
MICAL1 has been reported to be involved in the malignant processes of several types of cancer cells, however, the roles of MICAL1 in colorectal cancer (CRC) have not been well-characterized. This study aims to investigate the cellular functions and molecular mechanisms of MICAL1 in CRC cells. Here, we found that both mRNA and protein levels of MICAL1 were down-regulated in colorectal cancer tissues compared with matched adjacent non-tumor tissues, and the expression level of MICAL1 was correlated with the metastatic status of colorectal cancer. Importantly, overexpression of MICAL1 significantly inhibited colorectal cancer cell migration and growth, and increased the level of E-cadherin and Occludin, and suppressed the expression level of Vimentin and N-cadherin; while silencing of MICAL1 promoted CRC cell migration and enhanced EMT. In addition, MICAL1 overexpression significantly inhibited the proliferation and growth of CRC in vitro and in vivo. Moreover, RNA sequencing and bioinformatics analysis identified that MICAL1 was closely correlated with "cell migration", "cell cycle" and "β-catenin signaling" genesets. Mechanistically, overexpression of MICAL1 downregulated the mRNA level of EGR1 and β-catenin, decreased the protein level and nuclear translocation of β-catenin, and inhibited the transcriptions of β-catenin downstream targets, c-myc and cyclin D1. The ectopic expression of EGR1 or β-catenin can significantly block the MICAL1-mediated inhibitory effects. Collectively, MICAL1 is down-regulated in CRC, and plays an inhibitory role in the migration and growth of CRC cells by suppressing the ERG1/β-catenin signaling pathway.
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Affiliation(s)
- Huanyu Gu
- Department of Pathophysiology, Jinzhou Medical University, Jinzhou 121000, Liaoning, China
| | - Yi Li
- Department of Pathophysiology, Jinzhou Medical University, Jinzhou 121000, Liaoning, China
| | - Xiuping Cui
- Life Science Institute, Jinzhou Medical University, Jinzhou 121000, Liaoning, China
| | - Huiru Cao
- Department of Pathophysiology, Jinzhou Medical University, Jinzhou 121000, Liaoning, China
| | - Zhijuan Hou
- Department of Pathophysiology, Jinzhou Medical University, Jinzhou 121000, Liaoning, China
| | - Yunhe Ti
- Department of Pathophysiology, Jinzhou Medical University, Jinzhou 121000, Liaoning, China
| | - Dahua Liu
- Biological Anthropology Institute, Jinzhou Medical University, Jinzhou 121000, Liaoning, China
| | - Jing Gao
- Department of Ultrasonography, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou 121001, China
| | - Yu Wang
- Life Science Institute, Jinzhou Medical University, Jinzhou 121000, Liaoning, China.
| | - Pushuai Wen
- Department of Pathophysiology, Jinzhou Medical University, Jinzhou 121000, Liaoning, China; Biological Anthropology Institute, Jinzhou Medical University, Jinzhou 121000, Liaoning, China.
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19
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Zingue S, Mindang ELN, Awounfack FC, Kalgonbe AY, Kada MM, Njamen D, Ndinteh DT. Oral administration of tartrazine (E102) accelerates the incidence and the development of 7,12-dimethylbenz(a) anthracene (DMBA)-induced breast cancer in rats. BMC Complement Med Ther 2021; 21:303. [PMID: 34972512 PMCID: PMC8720219 DOI: 10.1186/s12906-021-03490-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Accepted: 12/10/2021] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Despite the considerable advances made in the treatment of cancer, it remains a global threat. Tartrazine (E102) is a synthetic dye widely used in food industries; it has recently been shown to induce oxidative stress (a well known risk factor of cancer) in rat tissues. The present work therefore aimed to assess the impact of a regular consumption of tartrazine on the incidence of breast cancer in rats. METHODS Forty (40) Wistar rats aged 55 to 60 days were randomly assigned into 5 groups (n = 8) including two groups serving as normal controls and receiving distilled water (NOR) or tartrazine (NOR + TARZ). The three remaining groups were exposed to the carcinogen DMBA (50 mg/kg) and treated for 20 weeks with either distilled water (DMBA), tartrazine 50 mg/kg (DMBA + TARZ) or a natural dye (DMBA + COL). The parameters evaluated were the incidence, morphology and some biomarkers (CA 15-3, estradiol and α-fetoprotein) of breast cancer. The oxidative status and histomorphology of the tumors were also assessed. RESULTS A regular intake of tartrazine led to an early incidence of tumors (100% in rats that received TARZ only vs 80% in rats that received DMBA only), with significantly larger tumors (p < 0.001) (mass = 3500 mg/kg and volume = 4 cm3). The invasive breast carcinoma observed on the histological sections of the animals of the DMBA + TARZ group was more developed than those of the DMBA group. The increase in serum α-fetoprotein (p < 0.05) and CA 15-3 (p < 0.01) levels corroborate the changes observed in tumors. The presence of oxidative activity in animals of the DMBA + TARZ group was confirmed by a significant decrease (p < 0.001) in the activity of antioxidant enzymes (SOD and catalase) as well as the level of GSH and increase in the level of MDA compared to the rats of the DMBA and NOR groups. CONCLUSION Tartrazine therefore appears to be a promoter of DMBA-induced breast tumorigenesis in rats through its oxidative potential. This work encourages further studies on the mechanisms of action of tartrazine (E102) and its limits of use.
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Affiliation(s)
- Stéphane Zingue
- Department of Medical and Biomedical Engineering, Higher Technical Teachers' Training College, University of Yaoundé 1, P.O. Box 886, Ebolowa, Cameroon.
- Department of Life and Earth Sciences, Higher Teachers' Training College, University of Maroua, P.O. Box 55, Maroua, Cameroon.
- Centre for Natural Product Research, Department of Chemical Sciences, University of Johannesburg, P.O. Box 17011, Doornfontein, Johannesburg, 2028, South Africa.
| | | | - Florence Charline Awounfack
- Department of Animal Biology and Physiology, Faculty of Science, University of Yaoundé 1, P.O. Box 812, Yaounde, Cameroon
| | - Abel Yanfou Kalgonbe
- Department of Life and Earth Sciences, Higher Teachers' Training College, University of Maroua, P.O. Box 55, Maroua, Cameroon
| | - Moustapha Mohamet Kada
- Department of Life and Earth Sciences, Higher Teachers' Training College, University of Maroua, P.O. Box 55, Maroua, Cameroon
| | - Dieudonné Njamen
- Centre for Natural Product Research, Department of Chemical Sciences, University of Johannesburg, P.O. Box 17011, Doornfontein, Johannesburg, 2028, South Africa
- Department of Animal Biology and Physiology, Faculty of Science, University of Yaoundé 1, P.O. Box 812, Yaounde, Cameroon
| | - Derek Tantoh Ndinteh
- Centre for Natural Product Research, Department of Chemical Sciences, University of Johannesburg, P.O. Box 17011, Doornfontein, Johannesburg, 2028, South Africa.
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20
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Mei J, Liu G, Li R, Xiao P, Yang D, Bai H, Hao Y. LncRNA SNHG6 knockdown inhibits cisplatin resistance and progression of gastric cancer through miR-1297/BCL-2 axis. Biosci Rep 2021; 41:BSR20211885. [PMID: 34821362 PMCID: PMC8661508 DOI: 10.1042/bsr20211885] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 11/11/2021] [Accepted: 11/15/2021] [Indexed: 12/11/2022] Open
Abstract
Cisplatin (DDP) resistance is a huge obstacle to gastric cancer (GC) treatment. Long non-coding RNAs (lncRNAs) have been manifested to exert pivotal functions in GC development. Herein, we aimed to explore the functional impact of lncRNA small nucleolar RNA host gene 6 (SNHG6) on DDP resistance and progression of GC. Quantitative real-time PCR (qRT-PCR) assay or Western blotting was performed to detect the expression of SNHG6, microRNA(miR)-1297, and epithelial-mesenchymal transition (EMT)-related factors and B-Cell Lymphoma 2 (Bcl-2) in DDP-resistant GC cells. Half inhibition concentration (IC50) to DDP, clonogenicity, apoptosis and invasion were examined via CCK-8 assay, colony formation assay, flow cytometry and Transwell assay, respectively. Target association between miR-1297 and SNHG6 or BCL-2 was demonstrated via dual-luciferase reporter assay or RIP assay. Xenograft models in nude mice were formed to investigate role of SNHG6 in vivo. We found that SNHG6 and BCL-2 were up-regulated, while miR-1297 expression was declined in GC tissues and DDP-resistant cells. Moreover, depletion of SNHG6 or gain of miR-1297 could repress DDP resistance, proliferation and metastasis of DDP-resistant cells, which was weakened by miR-1297 inhibition or BCL-2 overexpression. Besides, SNHG6 positively regulated BCL-2 expression by sponging miR-1297. Furthermore, SNHG6 knockdown repressed GC tumor growth in vivo. In a word, lncRNA SNHG6 knockdown had inhibitory effects on DDP resistance and progression of GC by sponging miR-1297, highlighting its potential in GC treatment.
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Affiliation(s)
- Jiazhuan Mei
- Department of Oncology, People’s Hospital of Zhengzhou Affiliated to Southern Medical University, Zhengzhou, Henan, China
| | - Guiju Liu
- Department of Oncology, People’s Hospital of Zhengzhou Affiliated to Southern Medical University, Zhengzhou, Henan, China
| | - Ruijun Li
- Department of Oncology, People’s Hospital of Zhengzhou Affiliated to Southern Medical University, Zhengzhou, Henan, China
| | - Peng Xiao
- Department of Oncology, People’s Hospital of Zhengzhou Affiliated to Southern Medical University, Zhengzhou, Henan, China
| | - Dan Yang
- Department of Oncology, People’s Hospital of Zhengzhou Affiliated to Southern Medical University, Zhengzhou, Henan, China
| | - Hua Bai
- Department of Oncology, People’s Hospital of Zhengzhou Affiliated to Southern Medical University, Zhengzhou, Henan, China
| | - Yibin Hao
- Department of Oncology, People’s Hospital of Zhengzhou Affiliated to Southern Medical University, Zhengzhou, Henan, China
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21
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Lee J, Chen X, Wang Y, Nishimura T, Li M, Ishikawa S, Daikoku T, Kawai J, Tojo A, Gotoh N. A novel oral inhibitor for one-carbon metabolism and checkpoint kinase 1 inhibitor as a rational combination treatment for breast cancer. Biochem Biophys Res Commun 2021; 584:7-14. [PMID: 34753066 DOI: 10.1016/j.bbrc.2021.11.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 10/27/2021] [Accepted: 11/01/2021] [Indexed: 11/27/2022]
Abstract
Patients with triple-negative breast cancer have a poor prognosis as only a few efficient targeted therapies are available. Cancer cells are characterized by their unregulated proliferation and require large amounts of nucleotides to replicate their DNA. One-carbon metabolism contributes to purine and pyrimidine nucleotide synthesis by supplying one carbon atom. Although mitochondrial one-carbon metabolism has recently been focused on as an important target for cancer treatment, few specific inhibitors have been reported. In this study, we aimed to examine the effects of DS18561882 (DS18), a novel, orally active, specific inhibitor of methylenetetrahydrofolate dehydrogenase (MTHFD2), a mitochondrial enzyme involved in one-carbon metabolism. Treatment with DS18 led to a marked reduction in cancer-cell proliferation; however, it did not induce cell death. Combinatorial treatment with DS18 and inhibitors of checkpoint kinase 1 (Chk1), an activator of the S phase checkpoint pathway, efficiently induced apoptotic cell death in breast cancer cells and suppressed tumorigenesis in a triple-negative breast cancer patient-derived xenograft model. Mechanistically, MTHFD2 inhibition led to cell cycle arrest and slowed nucleotide synthesis. This finding suggests that DNA replication stress occurs due to nucleotide shortage and that the S-phase checkpoint pathway is activated, leading to cell-cycle arrest. Combinatorial treatment with both inhibitors released cell-cycle arrest, but induced accumulation of DNA double-strand breaks, leading to apoptotic cell death. Collectively, a combination of MTHFD2 and Chk1 inhibitors would be a rational treatment option for patients with triple-negative breast cancer.
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Affiliation(s)
- Jin Lee
- Division of Cancer Cell Biology, Cancer Research Institute, Kanazawa University, Kanazawa City, Ishikawa, 920-1192, Japan
| | - Xiaoxi Chen
- Division of Cancer Cell Biology, Cancer Research Institute, Kanazawa University, Kanazawa City, Ishikawa, 920-1192, Japan
| | - Yuming Wang
- Division of Cancer Cell Biology, Cancer Research Institute, Kanazawa University, Kanazawa City, Ishikawa, 920-1192, Japan
| | - Tatsunori Nishimura
- Division of Cancer Cell Biology, Cancer Research Institute, Kanazawa University, Kanazawa City, Ishikawa, 920-1192, Japan
| | - Mengjiao Li
- Division of Cancer Cell Biology, Cancer Research Institute, Kanazawa University, Kanazawa City, Ishikawa, 920-1192, Japan
| | - Satoko Ishikawa
- Department of Gastroenterological Surgery, Kanazawa University, Kanazawa City, Ishikawa, 920-1192, Japan
| | - Takiko Daikoku
- Research Center for Experimental Modeling of Human Disease, Institute for Experimental Animals, Kanazawa University, Kanazawa City, Ishikawa, 920-1192, Japan
| | - Junya Kawai
- R&D Division, Daiichi Sankyo Co., Ltd., 1-2-58 Hiromachi, Shinagawa-ku, Tokyo, 140-8710, Japan
| | - Arinobu Tojo
- Division of Molecular Therapy, The Institute of Medical Science, The University of Tokyo, Minato-ku, Tokyo, 108-8639, Japan
| | - Noriko Gotoh
- Division of Cancer Cell Biology, Cancer Research Institute, Kanazawa University, Kanazawa City, Ishikawa, 920-1192, Japan.
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22
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Li G, Ohishi T, Kaneko MK, Takei J, Mizuno T, Kawada M, Saito M, Suzuki H, Kato Y. Defucosylated Mouse-Dog Chimeric Anti-EGFR Antibody Exerts Antitumor Activities in Mouse Xenograft Models of Canine Tumors. Cells 2021; 10:cells10123599. [PMID: 34944112 PMCID: PMC8700185 DOI: 10.3390/cells10123599] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 12/15/2021] [Accepted: 12/17/2021] [Indexed: 12/14/2022] Open
Abstract
The epidermal growth factor receptor (EGFR) contributes to tumor malignancy via gene amplification and protein overexpression. Previously, we developed an anti-human EGFR (hEGFR) monoclonal antibody, namely EMab-134, which detects hEGFR and dog EGFR (dEGFR) with high sensitivity and specificity. In this study, we produced a defucosylated mouse–dog chimeric anti-EGFR monoclonal antibody, namely E134Bf. In vitro analysis revealed that E134Bf highly exerted antibody-dependent cellular cytotoxicity and complement-dependent cytotoxicity against a canine osteosarcoma cell line (D-17) and a canine fibroblastic cell line (A-72), both of which express endogenous dEGFR. Moreover, in vivo administration of E134Bf significantly suppressed the development of D-17 and A-72 compared with the control dog IgG in mouse xenografts. These results indicate that E134Bf exerts antitumor effects against dEGFR-expressing canine cancers and could be valuable as part of an antibody treatment regimen for dogs.
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Affiliation(s)
- Guanjie Li
- Department of Molecular Pharmacology, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan; (G.L.); (M.S.); (H.S.)
| | - Tomokazu Ohishi
- Institute of Microbial Chemistry (BIKAKEN), Numazu, Microbial Chemistry Research Foundation, 18-24 Miyamoto, Numazu-shi 410-0301, Japan;
- Correspondence: (T.O.); (Y.K.); Tel.: +81-55-924-0601 (T.O.); +81-22-717-8207 (Y.K.)
| | - Mika K. Kaneko
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan; (M.K.K.); (J.T.)
| | - Junko Takei
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan; (M.K.K.); (J.T.)
| | - Takuya Mizuno
- Laboratory of Molecular Diagnostics and Therapeutics, Joint Faculty of Veterinary Medicine, Yamaguchi University, 1677-1 Yoshida, Yamaguchi 753-8515, Japan;
| | - Manabu Kawada
- Institute of Microbial Chemistry (BIKAKEN), Numazu, Microbial Chemistry Research Foundation, 18-24 Miyamoto, Numazu-shi 410-0301, Japan;
| | - Masaki Saito
- Department of Molecular Pharmacology, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan; (G.L.); (M.S.); (H.S.)
| | - Hiroyuki Suzuki
- Department of Molecular Pharmacology, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan; (G.L.); (M.S.); (H.S.)
| | - Yukinari Kato
- Department of Molecular Pharmacology, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan; (G.L.); (M.S.); (H.S.)
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan; (M.K.K.); (J.T.)
- Correspondence: (T.O.); (Y.K.); Tel.: +81-55-924-0601 (T.O.); +81-22-717-8207 (Y.K.)
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Kang L, Miao MS, Song YG, Fang XY, Zhang J, Zhang YN, Miao JX. Total flavonoids of Taraxacum mongolicum inhibit non-small cell lung cancer by regulating immune function. J Ethnopharmacol 2021; 281:114514. [PMID: 34384846 DOI: 10.1016/j.jep.2021.114514] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 07/29/2021] [Accepted: 08/08/2021] [Indexed: 06/13/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Taraxacum mongolicum Hand.-Mazz. has been used in lung cancer treatment in Chinese medicine. However, its specific mechanism of action has not yet been reported, and developing pharmaceutical anti-cancer resources is important. Here, we aimed to elucidate the anti-tumor effects of dandelion in vitro and in vivo and assess its effects on immune function in lung cancer patients. AIM OF THE STUDY In the present study, we mainly observed the therapeutic effects of total flavonoids from Taraxacum mongolicum Hand.-Mazz. (TFTM) on non-small cell lung cancer and its influence on the body's immune function. MATERIALS AND METHODS In vitro experiments on A549 and H1299 cells were performed using the CCK8 method; the proliferation and migration of cells were observed to investigate the wound healing effects of TFTM, and flow cytometry was used to detect the apoptotic rate of TFTM on lung cancer cells. In vivo experiments were preformed to establish a non-small cell lung cancer mouse model using subcutaneously transplanted Lewis cells, and the body weight and tumor growth of the mice were recorded. Hematoxylin and eosin staining was performed for tumor tissue to assess pathological changes. The thymus, spleen, and lungs were isolated for to calculate organ index. The CD4+, CD8+, and CD4+/CD8+ levels were detected in mouse spleen using flow cytometry, and IL-2, IL-3, IFN-γ, and TNF-α levels were determined in serum using enzyme-linked immunosorbent assay. Expressions of IL-2, IL-3, IFN-γ, and TNF-α were detected using quantitative real-time PCR in tumor tissues, and Ki67 expression was observed by immunofluorescence. RESULTS At 24 h, TFTM (100 and 200 μg/mL) had the best inhibitory effect on the proliferation of A549 and H1299 cells. The cell migration rate significantly reduced (P < 0.01), and the tumor inhibition rate increased (P < 0.01) and promoted apoptosis (P < 0.01). The mouse thymus index significantly increased (P < 0.05) and mouse spleen index reduced (P < 0.05). The CD4+, CD8+, and CD4+/CD8+ levels in Lewis lung cancer mouse model increased, as did the levels of IL-2, IL-3, IFN-γ, and TNF-α in the serum and tumor of mice; Ki67 expression in tumor tissues significantly reduced (P < 0.01). CONCLUSION TFTM has an inhibitory effect on lung cancer. The mechanism may be that it improves the host's protective immune response by having a milder tumor growth inhibitory effect than cyclophosphamide.
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Affiliation(s)
- Le Kang
- National International Cooperation Base of Chinese Medicine, Henan University of Chinese Medicine, Zhengzhou, 450046, China.
| | - Ming-San Miao
- National International Cooperation Base of Chinese Medicine, Henan University of Chinese Medicine, Zhengzhou, 450046, China.
| | - Ya-Gang Song
- National International Cooperation Base of Chinese Medicine, Henan University of Chinese Medicine, Zhengzhou, 450046, China; Academy of Chinese Medicine Science, Henan University of Chinese Medicine, Zhengzhou, 450046, China.
| | - Xiao-Yan Fang
- National International Cooperation Base of Chinese Medicine, Henan University of Chinese Medicine, Zhengzhou, 450046, China.
| | - Jin Zhang
- Academy of Chinese Medicine Science, Henan University of Chinese Medicine, Zhengzhou, 450046, China.
| | - Ya-Nan Zhang
- National International Cooperation Base of Chinese Medicine, Henan University of Chinese Medicine, Zhengzhou, 450046, China.
| | - Jin-Xin Miao
- Academy of Chinese Medicine Science, Henan University of Chinese Medicine, Zhengzhou, 450046, China.
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Li L, Shi W, Zhou J. Effect of CMNa combined with radiotherapy on the tumor immune microenvironment of mouse cervical cancer cell transplantation tumor model. Bioengineered 2021; 12:1066-1077. [PMID: 33784955 PMCID: PMC8806344 DOI: 10.1080/21655979.2021.1899532] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Accepted: 03/02/2021] [Indexed: 01/30/2023] Open
Abstract
In this study, we construct a subcutaneous tumor mice model of U14 cells, observe the tumor growth, and detect the expression of Foxp3 and VISTA in cervical cancer tissues and adjacent tissues during CMNa-enhancing radiotherapy.From the 15th day, compared with the control group, the tumor volume changes in each treatment group were significant (P < 0.01). CMNa combined with radiotherapy had an interactive effect and a positive effect in inhibiting tumor volume growth. There was no significant difference in the expression of Foxp3 and VISTA in mouse cervical cancer tissues and adjacent tissues in each group. The Foxp3 level in the RT group was the highest, and the CMNa group was the lowest. The VISTA level of the CMNa+RT group was the highest, the RT group is followed by, and the Control group is the lowest. The Foxp3 level of the CMNa group did not change much at each different point. The Foxp3 level in RT and CMNa+RT group gradually decreased after a transient increase, and the VISTA level in the CMNa+RT group increased more.Our results show that CMNa can enhance the efficacy of radiotherapy, and at the same time can reduce the compensatory increase in regulatory T cell Foxp3 levels caused by radiotherapy, and reduce the radiotherapy response. However, in the course of the treatment of the two, there may be a substantial increase in the level of VISTA, and the combined application of VISTA inhibitors may increase the anti-tumor response.
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Affiliation(s)
- Li Li
- Department of Radiation Oncology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Weiqiang Shi
- Department of Pathology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Juying Zhou
- Department of Radiation Oncology, The First Affiliated Hospital of Soochow University, Suzhou, China
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Jin M, Wu Y, Lou Y, Liu X, Dai Y, Yang W, Liu C, Huang G. Corosolic acid reduces A549 and PC9 cell proliferation, invasion, and chemoresistance in NSCLC via inducing mitochondrial and liposomal oxidative stress. Biomed Pharmacother 2021; 144:112313. [PMID: 34678723 DOI: 10.1016/j.biopha.2021.112313] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 10/02/2021] [Accepted: 10/05/2021] [Indexed: 12/24/2022] Open
Abstract
Corosolic acid is a pentacyclic triterpenoid isolated from Lagerstroemia speciosa, which is known to inhibit cancer cell proliferations. Whereas, the role of this compound on non-small cell lung cancer (NSCLC) cells still largely unclear. So, the aim of this study was to reveal the regulatory mechanism of corosolic acid to NSCLC. Here, we cultured A549 and PC9 cells in increasing corosolic acid concentrations, as well as treated mice with a physiologically relevant concentration of the compound, and used metabolomics analysis and high-throughput sequencing to examine its influences on cell invasion and proliferation, chemoresistance, and metastasis. We found that corosolic acid inhibited cell invasion and proliferation in vivo and in vitro, as well as increase the chemosensitivity of both cell types to cisplatin. Furthermore, we found that corosolic acid destabilized the glutathione peroxidase 2-mediated redox system, which increased mitochondrial and liposomal oxidative stress. Corosolic acid also decreased the targeting protein for TPX2 level, which inhibited PI3K/AKT signaling and induced apoptosis. In addition, the accumulation of reactive oxygen species dissociated the CCNB1/CDK1 complex and induced G2/M cell cycle arrest. Taken collectively, the data indicate that corosolic acid reduces NSCLC cell invasion and proliferation, as well as chemoresistance, by inducing mitochondrial and liposomal oxidative stress.
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Affiliation(s)
- Mingming Jin
- Shanghai University of Traditional Chinese Medicine, Shanghai 201203, PR China; Shanghai Key Laboratory of Molecular Imaging, Shanghai University of Medicine and Health Sciences, Shanghai 201318, PR China.
| | - Yue Wu
- Shanghai University of Traditional Chinese Medicine, Shanghai 201203, PR China; Shanghai Key Laboratory of Molecular Imaging, Shanghai University of Medicine and Health Sciences, Shanghai 201318, PR China.
| | - Yuqing Lou
- Shanghai University of Traditional Chinese Medicine, Shanghai 201203, PR China; Shanghai Key Laboratory of Molecular Imaging, Shanghai University of Medicine and Health Sciences, Shanghai 201318, PR China.
| | - Xiyu Liu
- Shanghai University of Traditional Chinese Medicine, Shanghai 201203, PR China; Shanghai Key Laboratory of Molecular Imaging, Shanghai University of Medicine and Health Sciences, Shanghai 201318, PR China.
| | - Yitian Dai
- Shanghai University of Traditional Chinese Medicine, Shanghai 201203, PR China; Shanghai Key Laboratory of Molecular Imaging, Shanghai University of Medicine and Health Sciences, Shanghai 201318, PR China.
| | - Wenxiao Yang
- Shanghai Key Laboratory of Molecular Imaging, Shanghai University of Medicine and Health Sciences, Shanghai 201318, PR China.
| | - Congbiao Liu
- Shanghai Key Laboratory of Molecular Imaging, Shanghai University of Medicine and Health Sciences, Shanghai 201318, PR China.
| | - Gang Huang
- Shanghai University of Traditional Chinese Medicine, Shanghai 201203, PR China; Shanghai Key Laboratory of Molecular Imaging, Shanghai University of Medicine and Health Sciences, Shanghai 201318, PR China; Department of Nuclear Medicine, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200127, PR China.
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Jun JH, Oh JE, Shim JK, Kwak YL, Cho JS. Effects of bisphenol A on the proliferation, migration, and tumor growth of colon cancer cells: In vitro and in vivo evaluation with mechanistic insights related to ERK and 5-HT3. Food Chem Toxicol 2021; 158:112662. [PMID: 34743013 DOI: 10.1016/j.fct.2021.112662] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 10/31/2021] [Accepted: 11/03/2021] [Indexed: 01/21/2023]
Abstract
Bisphenol A (BPA) is a well-known endocrine-disrupting chemical related to the carcinogenesis of estrogen-responsive organs. Although human exposure to BPA mainly occurs via the oral route, its association with colon cancer has not been fully elucidated. We investigated the effects of BPA on the proliferation, migration, and tumor growth of colon cancer cells. BPA significantly promoted the proliferation of HT-29 human colon adenocarcinoma cells in a time- and dose-dependent manner. BPA also increased HT-29 cells migration. BPA increased the phosphorylation of extracellular signal-regulated kinase (ERK), and inhibition of the ERK pathway attenuated BPA-induced proliferation and migration. In addition, BPA reduced E-cadherin expression, a key factor impeding epithelial-to-mesenchymal transition, and increased 5-HT3 receptors expression, a major mitogenic factor. In xenograft models, tumor volume of the BPA-treated nude mice was 4.6 times that of the saline-treated group. Our findings provide primary evidence regarding the link between BPA and human colon cancer by demonstrating that BPA promotes the proliferation, migration, and tumor growth of colon cancer cells in both in vitro and in vivo models. In addition, we provided the mechanism of action of BPA, involved in the activation of the ERK pathway, the decrease in E-cadherin, and the increase in 5-HT3 receptors.
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Affiliation(s)
- Ji Hae Jun
- Anesthesia and Pain Research Institute, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Ju Eun Oh
- Anesthesia and Pain Research Institute, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Jae-Kwang Shim
- Anesthesia and Pain Research Institute, Yonsei University College of Medicine, Seoul, Republic of Korea; Department of Anesthesiology and Pain Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Young-Lan Kwak
- Anesthesia and Pain Research Institute, Yonsei University College of Medicine, Seoul, Republic of Korea; Department of Anesthesiology and Pain Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Jin Sun Cho
- Department of Anesthesiology and Pain Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea.
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Wang C, Huang B, Sun L, Wang X, Zhou B, Tang H, Geng W. MK8722, an AMPK activator, inhibiting carcinoma proliferation, invasion and migration in human pancreatic cancer cells. Biomed Pharmacother 2021; 144:112325. [PMID: 34656065 DOI: 10.1016/j.biopha.2021.112325] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Revised: 10/06/2021] [Accepted: 10/08/2021] [Indexed: 01/10/2023] Open
Abstract
BACKGROUND MK8722 is a potent and systemic pan-AMPK activator. It is an effective, direct, allosteric activator of AMPK complex in many mammals. This study tried to explore the underlying anti-cancer molecular mechanism of MK8722 in human pancreatic cancer cells (PCCs). METHODS The anti-proliferation, invasion and migration functions of MK8722 in human pancreatic cancer analyzed by real time cellular analysis, colony formation assay, cell migration assay, transwell assay and flow cytometery analysis. Moreover, the potential targeted signaling pathway was tested via RNA-seq and pathway enrichment analysis. RESULTS In the present study, we investigated the anti-PCCs effects of MK8722 on two different human pancreatic cancer cell lines (PANC-1 and Patu8988). The results showed that MK8722 significantly inhibited human tumor cells proliferation and migration/invasion in a dose-dependent manner. Additionally, the influence of MK8722 was examined by analyzing the expression of potential key genes and pathways, which may provide novel insights to the mechanism of MK8722. CONCLUSION The inhibition of pancreatic cancer by MK8722 through a number of pathways that inhibit carcinoma proliferation, invasion and migration. The potential effect of MK8722 might be determined by regulating the expression of AL162151, IER2, REPIN1, KRT80 to inhibit cycle arrest and migration.
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Affiliation(s)
- Cheng Wang
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China.
| | - Baojun Huang
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China.
| | - Linxiao Sun
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China.
| | - Xi Wang
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China.
| | - Baofeng Zhou
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China.
| | - Hongli Tang
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China.
| | - Wujun Geng
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China; Wenzhou Key Laboratory of perioperative medicine (NO. 2021HZSY0037).
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Nunes SS, Miranda SEM, de Oliveira Silva J, Fernandes RS, de Alcântara Lemos J, de Aguiar Ferreira C, Townsend DM, Cassali GD, Oliveira MC, Branco de Barros AL. pH-responsive and folate-coated liposomes encapsulating irinotecan as an alternative to improve efficacy of colorectal cancer treatment. Biomed Pharmacother 2021; 144:112317. [PMID: 34634556 PMCID: PMC9052206 DOI: 10.1016/j.biopha.2021.112317] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 09/29/2021] [Accepted: 10/06/2021] [Indexed: 11/30/2022] Open
Abstract
Irinotecan (IRN) is a semisynthetic derivative of camptothecin that acts as a topoisomerase I inhibitor. IRN is used worldwide for the treatment of several types of cancer, including colorectal cancer, however its use can lead to serious adverse effects, as diarrhea and myelosuppression. Liposomes are widely used as drug delivery systems that can improve chemotherapeutic activity and decrease side effects. Liposomes can also be pH-sensitive to release its content preferentially in acidic environments, like tumors, and be surface-functionalized for targeting purposes. Herein, we developed a folate-coated pH-sensitive liposome as a drug delivery system for IRN to reach improved tumor therapy without potential adverse events. Liposomes were prepared containing IRN and characterized for particle size, polydispersity index, zeta potential, concentration, encapsulation, cellular uptake, and release profile. Antitumor activity was investigated in a murine model of colorectal cancer, and its toxicity was evaluated by hematological/biochemical tests and histological analysis of main organs. The results showed vesicles smaller than 200 nm with little dispersion, a surface charge close to neutral, and high encapsulation rate of over 90%. The system demonstrated prolonged and sustained release in pH-dependent manner with high intracellular drug delivery capacity. Importantly, the folate-coated pH-sensitive formulation had significantly better antitumor activity than the pH-dependent system only or the free drug. Tumor tissue of IRN-containing groups presented large areas of necrosis. Furthermore, no evidence of systemic toxicity was found for the groups investigated. Thus, our developed nanodrug IRN delivery system can potentially be an alternative to conventional colorectal cancer treatment.
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Affiliation(s)
- Shirleide Santos Nunes
- Department of Pharmaceutical Products, Faculty of Pharmacy, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, 31270-901 Belo Horizonte, Minas Gerais, Brazil
| | - Sued Eustaquio Mendes Miranda
- Department of Pharmaceutical Products, Faculty of Pharmacy, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, 31270-901 Belo Horizonte, Minas Gerais, Brazil
| | - Juliana de Oliveira Silva
- Department of Pharmaceutical Products, Faculty of Pharmacy, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, 31270-901 Belo Horizonte, Minas Gerais, Brazil
| | - Renata Salgado Fernandes
- Department of Pharmaceutical Products, Faculty of Pharmacy, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, 31270-901 Belo Horizonte, Minas Gerais, Brazil
| | - Janaína de Alcântara Lemos
- Department of Pharmaceutical Products, Faculty of Pharmacy, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, 31270-901 Belo Horizonte, Minas Gerais, Brazil
| | | | - Danyelle M Townsend
- Department of Drug Discovery and Pharmaceutical Sciences, College of Pharmacy, Medical University of South Carolina, USA
| | - Geovanni Dantas Cassali
- Department of General Pathology, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, 31270-901 Belo Horizonte, Minas Gerais, Brazil
| | - Mônica Cristina Oliveira
- Department of Pharmaceutical Products, Faculty of Pharmacy, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, 31270-901 Belo Horizonte, Minas Gerais, Brazil
| | - André Luís Branco de Barros
- Department of Clinical and Toxicological Analyses, Faculty of Pharmacy, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, 31270-901 Belo Horizonte, Minas Gerais, Brazil.
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29
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He Y, Liu S, Newburg DS. Musarin, a novel protein with tyrosine kinase inhibitory activity from Trametes versicolor, inhibits colorectal cancer stem cell growth. Biomed Pharmacother 2021; 144:112339. [PMID: 34656057 DOI: 10.1016/j.biopha.2021.112339] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 10/08/2021] [Accepted: 10/11/2021] [Indexed: 12/16/2022] Open
Abstract
Colorectal cancer is the second deadly cancer in the world. Trametes versicolor is a traditional Chinese medicinal mushroom with a long history of being used to regulate immunity and prevent cancer. Trametes versicolor mushroom extract demonstrates strongly cell growth inhibitory activity on human colorectal tumor cells. In this study, we characterized a novel 12-kDa protein that named musarin, which was purified from Trametes versicolor mushroom extract and showed significant growth inhibition on multiple human colorectal cancer cell lines in vitro. The protein sequence of musarin was determined through enzyme digestion and MS/MS analysis. Furthermore, Musarin, in particular, strongly inhibits aggressive human colorectal cancer stem cell-like CD24+CD44+ HT29 proliferation in vitro and in a NOD/SCID murine xenograft model. Through whole transcription profile and gene enrichment analysis of musarin-treated CSCs-like cells, major signaling pathways and network modulated by musarin have been enriched, including the bioprocess of the Epithelial-Mesenchymal Transition, the EGFR-Ras signaling pathway and enzyme inhibitor activity. Musarin demonstrated tyrosine kinase inhibitory activity in vitro. Musarin strongly attenuated EGFR expression and down-regulated phosphorylation level, thereby slowing cancer cells proliferation. In addition, oral ingestion of musarin significantly inhibited CD24+CD44+ HT29 generated tumor development in SCID/NOD mice with less side effects in microgram doses. Targeting self-renewal aggressive stem-cell like cancer cell proliferation, with higher water solubility and lower cytotoxicity, musarin has shown strong potence to be developed as a promising novel therapeutic drug candidate against colorectal cancers, especially those that acquire chemo-resistance.
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Affiliation(s)
- YingYing He
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, China; School of Chemical Science & Technology, Yunnan University, Kunming, Yunnan 650091, China
| | - Shubai Liu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, China.
| | - David S Newburg
- University of Cincinnati College of Medicine, 130 Panzeca Way, Cincinnati, OH 45267, USA.
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30
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Chen G, Ullah A, Xu G, Xu Z, Wang F, Liu T, Su Y, Zhang T, Wang K. Topically applied liposome-in-hydrogels for systematically targeted tumor photothermal therapy. Drug Deliv 2021; 28:1923-1931. [PMID: 34550040 PMCID: PMC8462874 DOI: 10.1080/10717544.2021.1974607] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 08/21/2021] [Accepted: 08/23/2021] [Indexed: 02/05/2023] Open
Abstract
Transdermal drug delivery for local or systemic therapy provides a potential anticancer modality with a high patient compliance. However, the drug delivery efficiency across the skin is highly challenging due to the physiological barriers, which limit the desired therapeutic effects. In this study, we prepared liposome-in-hydrogels containing a tumor targeting photosensitizer IR780 (IR780/lipo/gels) for tumor photothermal therapy (PTT). The formulation effectively delivered IR780 to subcutaneous tumor and deep metastatic sites, while the hydrogels were applied on the skin overlying the tumor or on an area of distant normal skin. The photothermal antitumor activity of topically administered IR780/lipo/gels was evaluated following laser irradiation. We observed significant inhibition of the rate of the tumor growth without any toxicity associated with the topical administration of hydrogels. Collectively, the topical administration of IR780/lipo/gels represents a new noninvasive and safe strategy for targeted tumor PTT.
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Affiliation(s)
- Gang Chen
- Institute of Comparative Medicine, College of Veterinary Medicine, Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou, China
| | - Aftab Ullah
- School of Pharmacy, Nantong University, Nantong, China
- Department of Pharmacy, Shantou University Medical College, Shantou, China
| | - Gang Xu
- Department of Burn and Plastic Surgery, Clinical Medical College, Yangzhou University, Yangzhou, China
| | - Zhou Xu
- Institute of Comparative Medicine, College of Veterinary Medicine, Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou, China
| | - Fei Wang
- Institute of Comparative Medicine, College of Veterinary Medicine, Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou, China
| | - Tianqing Liu
- School of Pharmacy, Nantong University, Nantong, China
- NICM Health Research Institute, Western Sydney University, Westmead, Australia
| | - Yi Su
- Department of Medical, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
- Yi Su Department of Medical, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu210002, China
| | - Tangjie Zhang
- Institute of Comparative Medicine, College of Veterinary Medicine, Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou, China
- Tangjie Zhang Institute of Comparative Medicine, College of Veterinary Medicine, Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou225009, China
| | - Kaikai Wang
- School of Pharmacy, Nantong University, Nantong, China
- CONTACT Kaikai Wang School of Pharmacy, Nantong University, Nantong226001, China
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31
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Stairiker CJ, Pfister SX, Hendrickson E, Yang W, Xie T, Lee C, Zhang H, Dillon C, Thomas GD, Salek-Ardakani S. EZH2 Inhibition Compromises α4-1BB-Mediated Antitumor Efficacy by Reducing the Survival and Effector Programming of CD8 + T Cells. Front Immunol 2021; 12:770080. [PMID: 34925340 PMCID: PMC8683156 DOI: 10.3389/fimmu.2021.770080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Accepted: 11/08/2021] [Indexed: 11/21/2022] Open
Abstract
Enhancer of Zeste Homolog 2 (EZH2) inhibitors (EZH2i) are approved to treat certain cancer types. Previous studies have suggested the potential to combine EZH2i with immune checkpoint blockade targeting coinhibitory receptors like PD-(L)1 and CTLA-4, but whether it can also enhance the activity of agents targeting costimulatory receptors is not known. Here, we explore the combination between EZH2i and an agonist antibody targeting the T cell costimulatory receptor 4-1BB (α4-1BB). Our data show that EZH2i compromise the efficacy of α4-1BB in both CT26 colon carcinoma and in an in vivo protein immunization model. We link this to reduced effector survival and increased BIM expression in CD8+ T cells upon EZH2i treatment. These data support the requirement of EZH2 function in 4-1BB-mediated CD8+ T cell expansion and effector programming and emphasize the consideration that must be given when combining such antitumoral therapies.
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MESH Headings
- Animals
- Antibodies, Monoclonal/immunology
- Antibodies, Monoclonal/pharmacology
- CD8-Positive T-Lymphocytes/drug effects
- CD8-Positive T-Lymphocytes/immunology
- CD8-Positive T-Lymphocytes/metabolism
- Cell Line, Tumor
- Cell Survival/drug effects
- Cell Survival/genetics
- Cell Survival/immunology
- Enhancer of Zeste Homolog 2 Protein/antagonists & inhibitors
- Enhancer of Zeste Homolog 2 Protein/immunology
- Enhancer of Zeste Homolog 2 Protein/metabolism
- Enzyme Inhibitors/pharmacology
- Gene Expression Regulation/drug effects
- Gene Expression Regulation/immunology
- Humans
- Mice, Inbred BALB C
- Mice, Inbred C57BL
- Neoplasms, Experimental/genetics
- Neoplasms, Experimental/immunology
- Neoplasms, Experimental/prevention & control
- Tumor Burden/drug effects
- Tumor Burden/genetics
- Tumor Burden/immunology
- Tumor Necrosis Factor Receptor Superfamily, Member 9/agonists
- Tumor Necrosis Factor Receptor Superfamily, Member 9/immunology
- Tumor Necrosis Factor Receptor Superfamily, Member 9/metabolism
- Mice
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Affiliation(s)
- Christopher J. Stairiker
- Cancer Immunology Discovery, Worldwide Research, Development Medical, Pfizer Inc., San Diego, CA, United States
| | - Sophia Xiao Pfister
- Cancer Immunology Discovery, Worldwide Research, Development Medical, Pfizer Inc., San Diego, CA, United States
| | - Eleanore Hendrickson
- Translational Sciences, Worldwide Research, Development Medical, Pfizer Inc., San Diego, CA, United States
| | - Wenjing Yang
- Computational Biology, Worldwide Research, Development Medical, Pfizer Inc., San Diego, CA, United States
| | - Tao Xie
- Computational Biology, Worldwide Research, Development Medical, Pfizer Inc., San Diego, CA, United States
| | - Catherine Lee
- Translational Sciences, Worldwide Research, Development Medical, Pfizer Inc., San Diego, CA, United States
| | - Haikuo Zhang
- Translational Sciences, Worldwide Research, Development Medical, Pfizer Inc., San Diego, CA, United States
| | - Christopher Dillon
- Translational Sciences, Worldwide Research, Development Medical, Pfizer Inc., San Diego, CA, United States
| | - Graham D. Thomas
- Cancer Immunology Discovery, Worldwide Research, Development Medical, Pfizer Inc., San Diego, CA, United States
| | - Shahram Salek-Ardakani
- Cancer Immunology Discovery, Worldwide Research, Development Medical, Pfizer Inc., San Diego, CA, United States
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32
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Xie P, Zheng H, Chen H, Wei K, Pan X, Xu Q, Wang Y, Tang C, Gevaert O, Meng X. Tumor response as defined by iRECIST in gastrointestinal malignancies treated with PD-1 and PD-L1 inhibitors and correlation with survival. BMC Cancer 2021; 21:1246. [PMID: 34798858 PMCID: PMC8605503 DOI: 10.1186/s12885-021-08944-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 10/28/2021] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Atypical tumor response patterns during immune checkpoint inhibitor therapy pose a challenge to clinicians and investigators in immuno-oncology practice. This study evaluated tumor burden dynamics to identify imaging biomarkers for treatment response and overall survival (OS) in advanced gastrointestinal malignancies treated with PD-1/PD-L1 inhibitors. METHODS This retrospective study enrolled a total of 198 target lesions in 75 patients with advanced gastrointestinal malignancies treated with PD-1/PD-L1 inhibitors between January 2017 and March 2021. Tumor diameter changes as defined by immunotherapy Response Evaluation Criteria in Solid Tumors (iRECIST) were studied to determine treatment response and association with OS. RESULTS Based on the best overall response, the tumor diameter ranged from - 100 to + 135.3% (median: - 9.6%). The overall response rate was 32.0% (24/75), and the rate of durable disease control for at least 6 months was 30.7% (23/75, one (iCR, immune complete response) or 20 iPR (immune partial response), or 2iSD (immune stable disease). Using univariate analysis, patients with a tumor diameter maintaining a < 20% increase (48/75, 64.0%) from baseline had longer OS than those with ≥20% increase (27/75, 36.0%) and, a reduced risk of death (median OS: 80 months vs. 48 months, HR = 0.22, P = 0.034). The differences in age (HR = 1.09, P = 0.01), combined surgery (HR = 0.15, P = 0.01) and cancer type (HR = 0.23, P = 0.001) were significant. In multivariable analysis, patients with a tumor diameter with a < 20% increase had notably reduced hazards of death (HR = 0.15, P = 0.01) after adjusting for age, combined surgery, KRAS status, cancer type, mismatch repair (MMR) status, treatment course and cancer differentiation. Two patients (2.7%) showed pseudoprogression. CONCLUSIONS Tumor diameter with a < 20% increase from baseline during therapy in gastrointestinal malignancies was associated with therapeutic benefit and longer OS and may serve as a practical imaging marker for treatment response, clinical outcome and treatment decision making.
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Affiliation(s)
- Peiyi Xie
- Department of Radiology, The Sixth Affiliated Hospital of Sun Yat-sen University, No.26 Yuancunerheng Road, Guangzhou, 510655, Guangdong, China
- Department of Medicine and Department of Biomedical Data Science, The Stanford Center for Biomedical Informatics Research (BMIR), 1265 Welch Rd, Stanford, CA, 94305, USA
| | - Hong Zheng
- Department of Medicine and Department of Biomedical Data Science, The Stanford Center for Biomedical Informatics Research (BMIR), 1265 Welch Rd, Stanford, CA, 94305, USA
| | - Haiyang Chen
- Department of Radiation Oncology, The Sixth Affiliated Hospital of Sun Yat-sen University, No.26 Yuancunerheng Road, Guangzhou, 510655, Guangdong, China
| | - Kaikai Wei
- Department of Radiology, The Sixth Affiliated Hospital of Sun Yat-sen University, No.26 Yuancunerheng Road, Guangzhou, 510655, Guangdong, China
| | - Ximin Pan
- Department of Radiology, The Sixth Affiliated Hospital of Sun Yat-sen University, No.26 Yuancunerheng Road, Guangzhou, 510655, Guangdong, China
| | - Qinmei Xu
- Department of Medicine and Department of Biomedical Data Science, The Stanford Center for Biomedical Informatics Research (BMIR), 1265 Welch Rd, Stanford, CA, 94305, USA
- Department of Medical Imaging, Jinling Hospital, Nanjing University School of Medicine, No.305, Zhongshan East Road, Nanjing, 210002, China
| | - Yongchen Wang
- Department of Radiology, The Sixth Affiliated Hospital of Sun Yat-sen University, No.26 Yuancunerheng Road, Guangzhou, 510655, Guangdong, China
| | - Changguan Tang
- Department of Radiology, The Sixth Affiliated Hospital of Sun Yat-sen University, No.26 Yuancunerheng Road, Guangzhou, 510655, Guangdong, China
| | - Olivier Gevaert
- Department of Medicine and Department of Biomedical Data Science, The Stanford Center for Biomedical Informatics Research (BMIR), 1265 Welch Rd, Stanford, CA, 94305, USA.
| | - Xiaochun Meng
- Department of Radiology, The Sixth Affiliated Hospital of Sun Yat-sen University, No.26 Yuancunerheng Road, Guangzhou, 510655, Guangdong, China.
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33
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Ai Y, Wang B, Xiao S, Luo S, Wang Y. Tryptophan Side-Chain Oxidase Enzyme Suppresses Hepatocellular Carcinoma Growth through Degradation of Tryptophan. Int J Mol Sci 2021; 22:ijms222212428. [PMID: 34830310 PMCID: PMC8623686 DOI: 10.3390/ijms222212428] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 11/15/2021] [Accepted: 11/16/2021] [Indexed: 01/08/2023] Open
Abstract
Tryptophan metabolism plays a role in the occurrence and development of hepatocellular carcinoma cells. By degrading certain amino acids, tumor growth can be limited while maintaining the body’s normal nutritional requirements. Tryptophan side-chain oxidase (TSO) enzyme can degrade tryptophan, and its inhibitory effect on hepatocellular carcinoma cells is worthy of further study. To investigate the degradation effect on tryptophan, TSO was isolated and purified from qq Pseudomonas. The reaction products were identified with high performance liquid chromatography (HPLC) and high-performance liquid chromatography tandem mass spectrometry (HPLC-MS). De novo sequencing provided the complete amino acid sequence of TSO. The results of CCK-8, colony formation, transwell, and qPCR confirmed that TSO had inhibitory effects on the proliferation and migration of HCCLM3 (human hepatocarcinoma cell line) and HepG2 cells. The results of flow cytometry confirmed its apoptotic activity. In animal experiments, we found that the tumor-suppressive effect was better in the oncotherapy group than the intraperitoneal injection group. The results of immunohistochemistry also suggested that TSO could inhibit proliferation and promote apoptosis. In conclusion, a specific enzyme that can degrade tryptophan and inhibit the growth of hepatoma cells was authenticated, and its basic information was obtained by extraction/purification and amino acid sequencing.
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Affiliation(s)
| | | | | | | | - Yefu Wang
- Correspondence: ; Tel.: +86-13907185508
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34
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Zeng H, Yang H, Song Y, Fang D, Chen L, Zhao Z, Wang C, Xie S. Transcriptional inhibition by CDK7/9 inhibitor SNS-032 suppresses tumor growth and metastasis in esophageal squamous cell carcinoma. Cell Death Dis 2021; 12:1048. [PMID: 34741018 PMCID: PMC8571299 DOI: 10.1038/s41419-021-04344-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Revised: 10/15/2021] [Accepted: 10/20/2021] [Indexed: 02/07/2023]
Abstract
Metastasis is one of most lethal causes that confer a poor prognosis of patients with esophageal squamous cell carcinoma (ESCC), whereas there is no available target drug for metastatic ESCC currently. In this study, we aimed to determine whether the transcriptional inhibition by CDK7/9 inhibitor SNS-032 is activity against ESCC. MTT and soft agar assays were performed to examine the influence of SNS-032 on ESCC growth in vitro. Tumor xenograft in nude mice was used to assess the antitumor activity of SNS-032 in vivo. The roles of SNS-032 in ESCC metastasis were conducted by wound healing and transwell assays in vitro, and by a lung and a popliteal lymph node metastasis model in vivo. The results showed that CDK7 and CDK9 were highly expressed in ESCC cells; SNS-032 effectively inhibited cellular viability, abrogated anchorage-independent growth, and potentiated the sensitivity to cisplatin in ESCC cells in vitro and in vivo. In addition, SNS-032 induced a mitochondrial-dependent apoptosis of ESCC cells by reducing Mcl-1 transcription. SNS-032 also potently abrogated the abilities of ESCC cell migration and invasion through transcriptional downregulation of MMP-1. Importantly, SNS-032 remarkably inhibited the growth of ESCC xenograft, increased the overall survival, as well as diminished the lung and lymph node metastasis in nude mice. Taken together, our findings highlight that the CDK7/9 inhibitor SNS-032 is a promising therapeutic agent, and warrants a clinical trial for its efficacy in ESCC patients, even those with metastasis.
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Affiliation(s)
- Huishan Zeng
- School of Pharmacy, Henan University, N. Jinming Avenue, 475004, Kaifeng, Henan, China
| | - Huiru Yang
- School of Pharmacy, Henan University, N. Jinming Avenue, 475004, Kaifeng, Henan, China
| | - Yifan Song
- The Key Laboratory of Natural Medicine and Immuno-Engineering, Henan University, N. Jinming Avenue, 475004, Kaifeng, China
| | - Dong Fang
- School of Pharmacy, Henan University, N. Jinming Avenue, 475004, Kaifeng, Henan, China
| | - Liang Chen
- The Key Laboratory of Natural Medicine and Immuno-Engineering, Henan University, N. Jinming Avenue, 475004, Kaifeng, China.
| | - Zhijun Zhao
- Department of Medicine and Therapeutics, Luohe Medical College, 462000, Luohe, China
| | - Chaojie Wang
- The Key Laboratory of Natural Medicine and Immuno-Engineering, Henan University, N. Jinming Avenue, 475004, Kaifeng, China.
| | - Songqiang Xie
- School of Pharmacy, Henan University, N. Jinming Avenue, 475004, Kaifeng, Henan, China.
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35
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Shivange G, Mondal T, Lyerly E, Bhatnagar S, Landen CN, Reddy S, Kim J, Doan B, Riddle P, Tushir-Singh J. A patch of positively charged residues regulates the efficacy of clinical DR5 antibodies in solid tumors. Cell Rep 2021; 37:109953. [PMID: 34731630 PMCID: PMC8720280 DOI: 10.1016/j.celrep.2021.109953] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 07/19/2021] [Accepted: 10/15/2021] [Indexed: 11/16/2022] Open
Abstract
Receptor clustering is the first and critical step to activate apoptosis by death receptor-5 (DR5). The recent discovery of the autoinhibitory DR5 ectodomain has challenged the long-standing view of its mechanistic activation by the natural ligand Apo2L. Because the autoinhibitory residues have remained unknown, here we characterize a crucial patch of positively charged residues (PPCR) in the highly variable domain of DR5. The PPCR electrostatically separates DR5 receptors to autoinhibit their clustering in the absence of ligand and antibody binding. Mutational substitution and antibody-mediated PPCR interference resulted in increased apoptotic cytotoxic function. A dually specific antibody that enables sustained tampering with PPCR function exceptionally enhanced DR5 clustering and apoptotic activation and distinctively improved the survival of animals bearing aggressive metastatic and recurrent tumors, whereas clinically tested DR5 antibodies without PPCR blockade function were largely ineffective. Our study provides mechanistic insights into DR5 activation and a therapeutic analytical design for potential clinical success.
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MESH Headings
- A549 Cells
- Animals
- Antibodies, Monoclonal/immunology
- Antibodies, Monoclonal/metabolism
- Antibodies, Monoclonal/pharmacology
- Antibodies, Monoclonal, Humanized/immunology
- Antibodies, Monoclonal, Humanized/metabolism
- Antibodies, Monoclonal, Humanized/pharmacology
- Antibody Specificity
- Antineoplastic Agents, Immunological/immunology
- Antineoplastic Agents, Immunological/metabolism
- Antineoplastic Agents, Immunological/pharmacology
- Apoptosis/drug effects
- Epitopes
- Humans
- Mice, Inbred C57BL
- Mice, Inbred NOD
- Mice, SCID
- Neoplasms/drug therapy
- Neoplasms/immunology
- Neoplasms/metabolism
- Receptors, TNF-Related Apoptosis-Inducing Ligand/antagonists & inhibitors
- Receptors, TNF-Related Apoptosis-Inducing Ligand/immunology
- Receptors, TNF-Related Apoptosis-Inducing Ligand/metabolism
- Signal Transduction
- Tumor Burden/drug effects
- Xenograft Model Antitumor Assays
- Mice
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Affiliation(s)
- Gururaj Shivange
- Laboratory of Novel Biologics, Medical Microbiology and Immunology, University of California, Davis, Davis, CA 95616, USA; Department of Biochemistry and Molecular Genetics, University of Virginia School of Medicine, Charlottesville VA 22908, USA
| | - Tanmoy Mondal
- Laboratory of Novel Biologics, Medical Microbiology and Immunology, University of California, Davis, Davis, CA 95616, USA; Department of Medical Microbiology and Immunology, University of California School of Medicine, University of California, Davis, Davis, CA 95616, USA; Department of Biochemistry and Molecular Genetics, University of Virginia School of Medicine, Charlottesville VA 22908, USA
| | - Evan Lyerly
- Laboratory of Novel Biologics, Medical Microbiology and Immunology, University of California, Davis, Davis, CA 95616, USA; Undergraduate Research Program Volunteers, University of Virginia, Charlottesville VA; Blavatnik Institute, Harvard Medical School, Boston MA
| | - Sanchita Bhatnagar
- Department of Medical Microbiology and Immunology, University of California School of Medicine, University of California, Davis, Davis, CA 95616, USA; Department of Biochemistry and Molecular Genetics, University of Virginia School of Medicine, Charlottesville VA 22908, USA
| | | | - Shivani Reddy
- Laboratory of Novel Biologics, Medical Microbiology and Immunology, University of California, Davis, Davis, CA 95616, USA; Undergraduate Research Program Volunteers, University of Virginia, Charlottesville VA
| | - Jonathan Kim
- Laboratory of Novel Biologics, Medical Microbiology and Immunology, University of California, Davis, Davis, CA 95616, USA; Undergraduate Research Program Volunteers, University of Virginia, Charlottesville VA
| | - Britney Doan
- Laboratory of Novel Biologics, Medical Microbiology and Immunology, University of California, Davis, Davis, CA 95616, USA; Undergraduate Research Program Volunteers, University of Virginia, Charlottesville VA
| | - Paula Riddle
- Laboratory of Novel Biologics, Medical Microbiology and Immunology, University of California, Davis, Davis, CA 95616, USA; Undergraduate Research Program Volunteers, University of Virginia, Charlottesville VA
| | - Jogender Tushir-Singh
- Laboratory of Novel Biologics, Medical Microbiology and Immunology, University of California, Davis, Davis, CA 95616, USA; Department of Medical Microbiology and Immunology, University of California School of Medicine, University of California, Davis, Davis, CA 95616, USA; Department of Biochemistry and Molecular Genetics, University of Virginia School of Medicine, Charlottesville VA 22908, USA; University of Virginia Comprehensive Cancer Center, Charlottesville VA; UC Davis Comprehensive Cancer Center, University of California School of Medicine, University of California, Davis, Davis, CA 95616, USA.
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36
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Bi J, Khan A, Tang J, Armando AM, Wu S, Zhang W, Gimple RC, Reed A, Jing H, Koga T, Wong ITL, Gu Y, Miki S, Yang H, Prager B, Curtis EJ, Wainwright DA, Furnari FB, Rich JN, Cloughesy TF, Kornblum HI, Quehenberger O, Rzhetsky A, Cravatt BF, Mischel PS. Targeting glioblastoma signaling and metabolism with a re-purposed brain-penetrant drug. Cell Rep 2021; 37:109957. [PMID: 34731610 PMCID: PMC8856626 DOI: 10.1016/j.celrep.2021.109957] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 09/10/2021] [Accepted: 10/15/2021] [Indexed: 12/13/2022] Open
Abstract
The highly lethal brain cancer glioblastoma (GBM) poses a daunting challenge because the blood-brain barrier renders potentially druggable amplified or mutated oncoproteins relatively inaccessible. Here, we identify sphingomyelin phosphodiesterase 1 (SMPD1), an enzyme that regulates the conversion of sphingomyelin to ceramide, as an actionable drug target in GBM. We show that the highly brain-penetrant antidepressant fluoxetine potently inhibits SMPD1 activity, killing GBMs, through inhibition of epidermal growth factor receptor (EGFR) signaling and via activation of lysosomal stress. Combining fluoxetine with temozolomide, a standard of care for GBM, causes massive increases in GBM cell death and complete tumor regression in mice. Incorporation of real-world evidence from electronic medical records from insurance databases reveals significantly increased survival in GBM patients treated with fluoxetine, which was not seen in patients treated with other selective serotonin reuptake inhibitor (SSRI) antidepressants. These results nominate the repurposing of fluoxetine as a potentially safe and promising therapy for patients with GBM and suggest prospective randomized clinical trials.
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Affiliation(s)
- Junfeng Bi
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA; ChEM-H, Stanford University, Stanford, CA, USA.
| | - Atif Khan
- Department of Medicine, Institute for Genomics and Systems Biology, University of Chicago, Chicago, IL, USA
| | - Jun Tang
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA; ChEM-H, Stanford University, Stanford, CA, USA
| | - Aaron M Armando
- Department of Pharmacology, UCSD School of Medicine, La Jolla, CA, USA
| | - Sihan Wu
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA; ChEM-H, Stanford University, Stanford, CA, USA; Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Wei Zhang
- Department of Medicine, UCSD School of Medicine, La Jolla, CA, USA
| | - Ryan C Gimple
- Division of Regenerative Medicine, Department of Medicine, University of California San Diego, La Jolla, CA, USA
| | - Alex Reed
- Department of Chemistry, The Skaggs Institute for Chemical Biology, The Scripps Research Institute, La Jolla, CA, USA
| | - Hui Jing
- Department of Chemistry, The Skaggs Institute for Chemical Biology, The Scripps Research Institute, La Jolla, CA, USA
| | - Tomoyuki Koga
- Ludwig Institute for Cancer Research, University of California San Diego, La Jolla, CA, USA; Department of Neurosurgery, University of Minnesota, Minneapolis, MN, USA
| | - Ivy Tsz-Lo Wong
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA; ChEM-H, Stanford University, Stanford, CA, USA
| | - Yuchao Gu
- Stanford Cancer Institute, Stanford University School of Medicine, Stanford, CA, USA
| | - Shunichiro Miki
- Ludwig Institute for Cancer Research, University of California San Diego, La Jolla, CA, USA
| | - Huijun Yang
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA; ChEM-H, Stanford University, Stanford, CA, USA
| | - Briana Prager
- Division of Regenerative Medicine, Department of Medicine, University of California San Diego, La Jolla, CA, USA
| | - Ellis J Curtis
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA; ChEM-H, Stanford University, Stanford, CA, USA; Department of Medicine, UCSD School of Medicine, La Jolla, CA, USA
| | - Derek A Wainwright
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Frank B Furnari
- Ludwig Institute for Cancer Research, University of California San Diego, La Jolla, CA, USA; Department of Pathology, UCSD School of Medicine, La Jolla, CA, USA; Moores Cancer Center, UCSD School of Medicine, La Jolla, CA, USA
| | - Jeremy N Rich
- Division of Regenerative Medicine, Department of Medicine, University of California San Diego, La Jolla, CA, USA
| | - Timothy F Cloughesy
- Department of Neurology, David Geffen School of Medicine, University of California Los Angeles, CA, USA
| | - Harley I Kornblum
- Department of Molecular and Medical Pharmacology, David Geffen UCLA School of Medicine, Los Angeles, CA, USA; Jonsson Comprehensive Cancer Center, David Geffen UCLA School of Medicine, Los Angeles, CA, USA
| | | | - Andrey Rzhetsky
- Department of Medicine, Institute for Genomics and Systems Biology, University of Chicago, Chicago, IL, USA; Department of Human Genetics, Institute for Genomics and Systems Biology, University of Chicago, Chicago, IL, USA
| | - Benjamin F Cravatt
- Department of Chemistry, The Skaggs Institute for Chemical Biology, The Scripps Research Institute, La Jolla, CA, USA
| | - Paul S Mischel
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA; ChEM-H, Stanford University, Stanford, CA, USA.
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Gorur A, Patiño M, Shi T, Corrales G, Takahashi H, Rangel R, Gleber-Netto FO, Pickering C, Myers JN, Cata JP. Low doses of methylnaltrexone inhibits head and neck squamous cell carcinoma growth in vitro and in vivo by acting on the mu-opioid receptor. J Cell Physiol 2021; 236:7698-7710. [PMID: 34038587 DOI: 10.1002/jcp.30421] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 05/05/2021] [Accepted: 05/08/2021] [Indexed: 11/06/2022]
Abstract
The Mu-opioid receptor (MOR) has been implicated in tumorigenesis and metastasis. Methylnaltrexone (MNTX), an antagonist of MOR, has shown to inhibit tumor growth and metastasis in lung cancer cell lines. The effect of MNTX on other cell lines such as head and neck squamous cell carcinoma (HNSCC) has not been investigated. We measured the expression and activity of the receptor in different HNSCC cell lines. Then, we evaluated the impact of modulating the expression MOR and the effect of MNTX on the proliferation, clonogenic activity, invasion, and migration of two HNSCC (FaDu and MDA686Tu) cell lines expressing MOR and one cell line (UMSCC47) not expressing the receptor. We also evaluated the impact of MNTX on tumor growth and metastasis formation in vivo. Activation of the receptor with [d-Ala2,N-Me-Phe4, Gly5-ol] (DAMGO) caused a significant reduction in cyclic adenosine monophosphate levels in FaDu cells. Knockdown of MOR inhibited in vitro aggressive cell behaviors on FaDu and MDA686Tu cells and correlated with a reduction in markers of epithelial-mesenchymal transition. In vitro studies showed that MNTX strongly inhibited the proliferation, clonogenic activity, invasion, and migration of FaDu and MDA686Tu cells but has no effect on UMSCC47 cells. In vivo experiments demonstrated that MNTX suppresses tumor growth in HNSCC cell tumor-bearing mice. Our studies indicate that MOR could be considered as a therapeutic target to treat HNSCC.
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Affiliation(s)
- Aysegul Gorur
- Department of Anesthesiology and Perioperative Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
- Anesthesiology and Surgical Oncology Research Group, Houston, Texas, USA
| | - Miguel Patiño
- Department of Anesthesiology, Massachusetts General Hospital, Harvard University, Boston, Massachusetts, USA
| | - Ted Shi
- Department of Anesthesiology and Perioperative Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
- Anesthesiology and Surgical Oncology Research Group, Houston, Texas, USA
| | - German Corrales
- Department of Anesthesiology and Perioperative Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Hideaki Takahashi
- Department of Head and Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Roberto Rangel
- Department of Head and Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Frederico O Gleber-Netto
- Department of Head and Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Curtis Pickering
- Department of Head and Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Jeffrey N Myers
- Anesthesiology and Surgical Oncology Research Group, Houston, Texas, USA
- Department of Head and Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Juan P Cata
- Department of Anesthesiology and Perioperative Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
- Anesthesiology and Surgical Oncology Research Group, Houston, Texas, USA
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38
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Lepore A, Choy PM, Lee NCW, Carella MA, Favicchio R, Briones-Orta MA, Glaser SS, Alpini G, D'Santos C, Tooze RM, Lorger M, Syn WK, Papakyriakou A, Giamas G, Bubici C, Papa S. Phosphorylation and Stabilization of PIN1 by JNK Promote Intrahepatic Cholangiocarcinoma Growth. Hepatology 2021; 74:2561-2579. [PMID: 34048060 DOI: 10.1002/hep.31983] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 04/30/2021] [Accepted: 05/16/2021] [Indexed: 12/13/2022]
Abstract
BACKGROUND AND AIMS Intrahepatic cholangiocarcinoma (ICC) is a highly aggressive type of liver cancer in urgent need of treatment options. Aberrant activation of the c-Jun N-terminal kinase (JNK) pathway is a key feature in ICC and an attractive candidate target for its treatment. However, the mechanisms by which constitutive JNK activation promotes ICC growth, and therefore the key downstream effectors of this pathway, remain unknown for their applicability as therapeutic targets. Our aim was to obtain a better mechanistic understanding of the role of JNK signaling in ICC that could open up therapeutic opportunities. APPROACH AND RESULTS Using loss-of-function and gain-of-function studies in vitro and in vivo, we show that activation of the JNK pathway promotes ICC cell proliferation by affecting the protein stability of peptidyl-prolyl cis-trans isomerase NIMA-interacting 1 (PIN1), a key driver of tumorigenesis. PIN1 is highly expressed in ICC primary tumors, and its expression positively correlates with active JNK. Mechanistically, the JNK kinases directly bind to and phosphorylate PIN1 at Ser115, and this phosphorylation prevents PIN1 mono-ubiquitination at Lys117 and its proteasomal degradation. Moreover, pharmacological inhibition of PIN1 through all-trans retinoic acid, a Food and Drug Administration-approved drug, impairs the growth of both cultured and xenografted ICC cells. CONCLUSIONS Our findings implicate the JNK-PIN1 regulatory axis as a functionally important determinant for ICC growth, and provide a rationale for therapeutic targeting of JNK activation through PIN1 inhibition.
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Affiliation(s)
- Alessio Lepore
- Leeds Institute of Medical Research at St. James', Faculty of Medicine and Health, University of Leeds, St. James' University Hospital, Leeds, United Kingdom
| | - Pui Man Choy
- Institute of Hepatology, Foundation for Liver Research and Birkbeck University of London, London, United Kingdom
| | - Nathan C W Lee
- Leeds Institute of Medical Research at St. James', Faculty of Medicine and Health, University of Leeds, St. James' University Hospital, Leeds, United Kingdom
| | - Maria Annunziata Carella
- Center for Genome Engineering and Maintenance, Department of Life Sciences, College of Health, Medicine and Life Sciences, Brunel University London, Uxbridge, United Kingdom
| | - Rosy Favicchio
- Department of Surgery and Cancer, Imperial College, London, United Kingdom
| | - Marco A Briones-Orta
- Institute of Hepatology, Foundation for Liver Research and Birkbeck University of London, London, United Kingdom
- Department of Infectious Disease, Imperial College, London, United Kingdom
| | - Shannon S Glaser
- Department of Medical Physiology, Texas A&M University, Bryan, TX
| | - Gianfranco Alpini
- Division of Gastroenterology, Department of Medicine, Richard L. Roudebush VA Medical Center, Indiana University, Indianapolis, IN
| | - Clive D'Santos
- Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, United Kingdom
| | - Reuben M Tooze
- Leeds Institute of Medical Research at St. James', Faculty of Medicine and Health, University of Leeds, St. James' University Hospital, Leeds, United Kingdom
| | - Mihaela Lorger
- Leeds Institute of Medical Research at St. James', Faculty of Medicine and Health, University of Leeds, St. James' University Hospital, Leeds, United Kingdom
| | - Wing-Kin Syn
- Institute of Hepatology, Foundation for Liver Research and Birkbeck University of London, London, United Kingdom
- Section of Gastroenterology, Ralph H. Johnson Veterans Affairs Medical Center, Charleston, SC
- Division of Gastroenterology and Hepatology, Department of Medicine, Medical University of South Carolina, Charleston, SC
- Department of Physiology, Faculty of Medicine and Nursing, University of Basque Country UPV/EHU, Leioa, Spain
| | - Athanasios Papakyriakou
- Institute of Biosciences and Applications, National Center for Scientific Research, Athens, Greece
| | - Georgios Giamas
- Department of Biochemistry and Biomedicine, School of Life Sciences, University of Sussex, Brighton, United Kingdom
| | - Concetta Bubici
- Center for Genome Engineering and Maintenance, Department of Life Sciences, College of Health, Medicine and Life Sciences, Brunel University London, Uxbridge, United Kingdom
| | - Salvatore Papa
- Leeds Institute of Medical Research at St. James', Faculty of Medicine and Health, University of Leeds, St. James' University Hospital, Leeds, United Kingdom
- Institute of Hepatology, Foundation for Liver Research and Birkbeck University of London, London, United Kingdom
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39
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Pang JL, Huang FH, Zhang YH, Wu Y, Ge XM, Li S, Li X. Sodium cantharidate induces Apoptosis in breast cancer cells by regulating energy metabolism via the protein phosphatase 5-p53 axis. Toxicol Appl Pharmacol 2021; 430:115726. [PMID: 34537213 DOI: 10.1016/j.taap.2021.115726] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2021] [Revised: 09/09/2021] [Accepted: 09/14/2021] [Indexed: 12/15/2022]
Abstract
Breast cancer is the leading cause of cancer-related death in women worldwide, and despite multiple chemotherapeutic approaches, effective treatment strategies for advanced metastatic breast cancer are still lacking. Metabolic reprogramming is essential for tumor cell growth and propagation, and most cancers, including breast cancer, are accompanied by abnormalities in energy metabolism. Here, we confirmed that sodium cantharidate inhibited cell viability using the Cell Counting Kit-8, clonogenic assay, and Transwell assay. The cell cycle and apoptosis assays indicated that sodium cantharidate induced apoptosis and cell cycle arrest in breast cancer cells. Additionally, proteomic assays, western blots, and metabolic assays revealed that sodium cantharidate converted the metabolic phenotype of breast cancer cells from glycolysis to oxidative phosphorylation. Furthermore, bioinformatics analysis identified possible roles for p53 with respect to the effects of sodium cantharidate on breast cancer cells. Western blot, docking, and phosphatase assays revealed that the regulation of p53 activity by sodium cantharidate was related to its inhibition of protein phosphatase 5 activity. Moreover, sodium cantharidate significantly inhibited tumor growth in tumor-bearing nude mice. In summary, our study provides evidence for the use of sodium cantharidate as an effective and new therapeutic candidate for the treatment of human breast cancer in clinical trials.
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Affiliation(s)
- Jin-Long Pang
- School of Pharmacy, Bengbu Medical College, Bengbu City 236425, China
| | - Fu-Hao Huang
- School of Pharmacy, Bengbu Medical College, Bengbu City 236425, China
| | - Yu-Han Zhang
- School of Pharmacy, Bengbu Medical College, Bengbu City 236425, China
| | - Yu Wu
- School of Pharmacy, Bengbu Medical College, Bengbu City 236425, China
| | - Xian-Ming Ge
- School of Pharmacy, Bengbu Medical College, Bengbu City 236425, China
| | - Shanshan Li
- School of Pharmacy, Bengbu Medical College, Bengbu City 236425, China.
| | - Xian Li
- School of Pharmacy, Bengbu Medical College, Bengbu City 236425, China; New Technologies for Chinese Medicine Drinker Manufacturing Anhui Provincial Key Laboratory, Hefei City 230012, China; Postdoctoral workstation of Anhui Xiehecheng Drinker Tablets Co., Ltd, Bozhou City 236800, China.
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40
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Wu J, Galvan KJ, Bogard RD, Peterson CE, Shergill A, Crowe DL. DNA Double-strand Break Signaling Is a Therapeutic Target in Head and Neck Cancer. Anticancer Res 2021; 41:5393-5403. [PMID: 34732408 DOI: 10.21873/anticanres.15351] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 10/11/2021] [Accepted: 10/14/2021] [Indexed: 11/10/2022]
Abstract
BACKGROUND Head and neck cancer (HNC) is common worldwide. Given poor outcomes for patients with HNC, research into targeted therapies is needed. Ataxia telangiectasia mutated (ATM) is a DNA damage kinase which is activated by double-strand DNA breaks. We tested the effects of a novel ATM inhibitor on HNC cell lines and xenografts. MATERIALS AND METHODS p53-Binding protein 1 and phosphorylated ATM were localized in cultured cells by immunofluorescence microscopy. Protein expression was determined by western blot. Tumor xenografts were established by injecting HNC lines into immunocompromised mice. Tumor sections were characterized by immunohistochemistry. Apoptotic cells were determined by terminal transferase-mediated dUTP nick-end labeling assay. RESULTS ATM inhibition increased double-strand DNA breaks at replication foci in HNC cell lines. ATM inhibition affected cell-cycle regulatory protein expression, blocked cell-cycle progression at the G2/M phase and resulted in apoptosis. CONCLUSION ATM inhibition may be therapeutically useful in treating HNC.
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Affiliation(s)
- Jianchun Wu
- University of Illinois Cancer Center, Chicago, IL, U.S.A
| | | | - Ryan D Bogard
- University of Illinois Cancer Center, Chicago, IL, U.S.A
| | - Caryn E Peterson
- University of Illinois School of Public Health, Chicago, IL, U.S.A
| | - Ardaman Shergill
- Section of Hematology/Oncology, Department of Medicine, University of Chicago Pritzker School of Medicine, Chicago, IL, U.S.A.
| | - David L Crowe
- University of Illinois Cancer Center, Chicago, IL, U.S.A.;
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41
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Schniers BK, Rajasekaran D, Korac K, Sniegowski T, Ganapathy V, Bhutia YD. PEPT1 is essential for the growth of pancreatic cancer cells: a viable drug target. Biochem J 2021; 478:3757-3774. [PMID: 34569600 PMCID: PMC8589330 DOI: 10.1042/bcj20210377] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 09/17/2021] [Accepted: 09/27/2021] [Indexed: 12/14/2022]
Abstract
PEPT1 is a proton-coupled peptide transporter that is up-regulated in PDAC cell lines and PDXs, with little expression in the normal pancreas. However, the relevance of this up-regulation to cancer progression and the mechanism of up-regulation have not been investigated. Herein, we show that PEPT1 is not just up-regulated in a large panel of PDAC cell lines and PDXs but is also functional and transport-competent. PEPT2, another proton-coupled peptide transporter, is also overexpressed in PDAC cell lines and PDXs, but is not functional due to its intracellular localization. Using glibenclamide as a pharmacological inhibitor of PEPT1, we demonstrate in cell lines in vitro and mouse xenografts in vivo that inhibition of PEPT1 reduces the proliferation of the cancer cells. These findings are supported by genetic knockdown of PEPT1 with shRNA, wherein the absence of the transporter significantly attenuates the growth of cancer cells, both in vitro and in vivo, suggesting that PEPT1 is critical for the survival of cancer cells. We also establish that the tumor-derived lactic acid (Warburg effect) in the tumor microenvironment supports the transport function of PEPT1 in the maintenance of amino acid nutrition in cancer cells by inducing MMPs and DPPIV to generate peptide substrates for PEPT1 and by generating a H+ gradient across the plasma membrane to energize PEPT1. Taken collectively, these studies demonstrate a functional link between PEPT1 and extracellular protein breakdown in the tumor microenvironment as a key determinant of pancreatic cancer growth, thus identifying PEPT1 as a potential therapeutic target for PDAC.
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Affiliation(s)
- Bradley K. Schniers
- Department of Cell Biology and Biochemistry, Texas Tech University Health Sciences Center, Lubbock, TX 79430, U.S.A
| | - Devaraja Rajasekaran
- Department of Cell Biology and Biochemistry, Texas Tech University Health Sciences Center, Lubbock, TX 79430, U.S.A
| | - Ksenija Korac
- Department of Cell Biology and Biochemistry, Texas Tech University Health Sciences Center, Lubbock, TX 79430, U.S.A
| | - Tyler Sniegowski
- Department of Cell Biology and Biochemistry, Texas Tech University Health Sciences Center, Lubbock, TX 79430, U.S.A
| | - Vadivel Ganapathy
- Department of Cell Biology and Biochemistry, Texas Tech University Health Sciences Center, Lubbock, TX 79430, U.S.A
| | - Yangzom D. Bhutia
- Department of Cell Biology and Biochemistry, Texas Tech University Health Sciences Center, Lubbock, TX 79430, U.S.A
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42
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Chen J, Liu N, Huang Y, Wang Y, Sun Y, Wu Q, Li D, Gao S, Wang HW, Huang N, Qi X, Wang X. Structure of PDE3A-SLFN12 complex and structure-based design for a potent apoptosis inducer of tumor cells. Nat Commun 2021; 12:6204. [PMID: 34707099 PMCID: PMC8551160 DOI: 10.1038/s41467-021-26546-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 10/05/2021] [Indexed: 11/08/2022] Open
Abstract
Molecular glues are a class of small molecular drugs that mediate protein-protein interactions, that induce either the degradation or stabilization of target protein. A structurally diverse group of chemicals, including 17-β-estradiol (E2), anagrelide, nauclefine, and DNMDP, induces apoptosis by forming complexes with phosphodiesterase 3A (PDE3A) and Schlafen 12 protein (SLFN12). They do so by binding to the PDE3A enzymatic pocket that allows the compound-bound PDE3A to recruit and stabilize SLFN12, which in turn blocks protein translation, leading to apoptosis. In this work, we report the high-resolution cryo-electron microscopy structure of PDE3A-SLFN12 complexes isolated from cultured HeLa cells pre-treated with either anagrelide, or nauclefine, or DNMDP. The PDE3A-SLFN12 complexes exhibit a butterfly-like shape, forming a heterotetramer with these small molecules, which are packed in a shallow pocket in the catalytic domain of PDE3A. The resulting small molecule-modified interface binds to the short helix (E552-I558) of SLFN12 through hydrophobic interactions, thus "gluing" the two proteins together. Based on the complex structure, we designed and synthesized analogs of anagrelide, a known drug used for the treatment of thrombocytosis, to enhance their interactions with SLFN12, and achieved superior efficacy in inducing apoptosis in cultured cells as well as in tumor xenografts.
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Affiliation(s)
- Jie Chen
- National Institute of Biological Sciences, 7 Science Park Road, Zhongguancun Life Science Park, Beijing, 102206, China
| | - Nan Liu
- Ministry of Education Key Laboratory of Protein Sciences, Beijing Advanced Innovation Center for Structural Biology, Beijing Frontier Research Center for Biological Structures, School of Life Sciences, Tsinghua University, Beijing, 100084, China
| | - Yinpin Huang
- Tsinghua Institute of Multidisciplinary Biomedical Research, Tsinghua University, 100084, Beijing, China
| | - Yuanxun Wang
- National Institute of Biological Sciences, 7 Science Park Road, Zhongguancun Life Science Park, Beijing, 102206, China
| | - Yuxing Sun
- National Institute of Biological Sciences, 7 Science Park Road, Zhongguancun Life Science Park, Beijing, 102206, China
| | - Qingcui Wu
- National Institute of Biological Sciences, 7 Science Park Road, Zhongguancun Life Science Park, Beijing, 102206, China
| | - Dianrong Li
- National Institute of Biological Sciences, 7 Science Park Road, Zhongguancun Life Science Park, Beijing, 102206, China
| | - Shuanhu Gao
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, East China Normal University, 3663N Zhongshan Road, Shanghai, 200062, China
| | - Hong-Wei Wang
- Ministry of Education Key Laboratory of Protein Sciences, Beijing Advanced Innovation Center for Structural Biology, Beijing Frontier Research Center for Biological Structures, School of Life Sciences, Tsinghua University, Beijing, 100084, China.
| | - Niu Huang
- National Institute of Biological Sciences, 7 Science Park Road, Zhongguancun Life Science Park, Beijing, 102206, China.
- Tsinghua Institute of Multidisciplinary Biomedical Research, Tsinghua University, 100084, Beijing, China.
| | - Xiangbing Qi
- National Institute of Biological Sciences, 7 Science Park Road, Zhongguancun Life Science Park, Beijing, 102206, China.
- Tsinghua Institute of Multidisciplinary Biomedical Research, Tsinghua University, 100084, Beijing, China.
| | - Xiaodong Wang
- National Institute of Biological Sciences, 7 Science Park Road, Zhongguancun Life Science Park, Beijing, 102206, China.
- Tsinghua Institute of Multidisciplinary Biomedical Research, Tsinghua University, 100084, Beijing, China.
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43
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Tagliamonte M, Mauriello A, Cavalluzzo B, Ragone C, Manolio C, Luciano A, Barbieri A, Palma G, Scognamiglio G, Di Mauro A, Di Bonito M, Tornesello ML, Buonaguro FM, Vitagliano L, Caporale A, Ruvo M, Buonaguro L. MHC-Optimized Peptide Scaffold for Improved Antigen Presentation and Anti-Tumor Response. Front Immunol 2021; 12:769799. [PMID: 34745146 PMCID: PMC8564487 DOI: 10.3389/fimmu.2021.769799] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Accepted: 10/04/2021] [Indexed: 11/17/2022] Open
Abstract
Tumor Associated Antigens (TAAs) may suffer from an immunological tolerance due to expression on normal cells. In order to potentiate their immunogenicity, heteroclitic peptides (htcPep) were designed according to prediction algorithms. In particular, specific modifications were introduced in peptide residues facing to TCR. Moreover, a MHC-optimized scaffold was designed for improved antigen presentation to TCR by H-2Db allele. The efficacy of such htcPep was assessed in C57BL/6 mice injected with syngeneic melanoma B16F10 or lung TC1 tumor cell lines, in combination with metronomic chemotherapy and immune checkpoint inhibitors. The immunogenicity of htcPep was significantly stronger than the corresponding wt peptide and the modification involving both MHC and TCR binding residues scored the strongest. In particular, the H-2Db-specific scaffold significantly potentiated the peptides' immunogenicity and control of tumor growth was comparable to wt peptide in a therapeutic setting. Overall, we demonstrated that modified TAAs show higher immunogenicity compared to wt peptide. In particular, the MHC-optimized scaffold can present different antigen sequences to TCR, retaining the conformational characteristics of the corresponding wt. Cross-reacting CD8+ T cells are elicited and efficiently kill tumor cells presenting the wild-type antigen. This novel approach can be of high clinical relevance in cancer vaccine development.
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MESH Headings
- Animals
- Antigen Presentation/drug effects
- Antigen Presentation/immunology
- Antigens, Neoplasm/immunology
- Antigens, Neoplasm/metabolism
- Antineoplastic Combined Chemotherapy Protocols/administration & dosage
- CD8-Positive T-Lymphocytes/immunology
- CD8-Positive T-Lymphocytes/metabolism
- Cancer Vaccines/administration & dosage
- Cancer Vaccines/immunology
- Cell Line, Tumor
- Combined Modality Therapy
- Female
- Histocompatibility Antigens/immunology
- Humans
- Mice, Inbred C57BL
- Neoplasms, Experimental/immunology
- Neoplasms, Experimental/metabolism
- Neoplasms, Experimental/prevention & control
- Peptides/immunology
- Peptides/metabolism
- Protein Binding
- Receptors, Antigen, T-Cell/immunology
- Receptors, Antigen, T-Cell/metabolism
- Treatment Outcome
- Tumor Burden/drug effects
- Tumor Burden/immunology
- Vaccines, Subunit/administration & dosage
- Vaccines, Subunit/immunology
- Mice
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Affiliation(s)
- Maria Tagliamonte
- Innovative Immunological Models Lab, Istituto Nazionale Tumori - Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) - “Fond G. Pascale”, Naples, Italy
| | - Angela Mauriello
- Innovative Immunological Models Lab, Istituto Nazionale Tumori - Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) - “Fond G. Pascale”, Naples, Italy
| | - Beatrice Cavalluzzo
- Innovative Immunological Models Lab, Istituto Nazionale Tumori - Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) - “Fond G. Pascale”, Naples, Italy
| | - Concetta Ragone
- Innovative Immunological Models Lab, Istituto Nazionale Tumori - Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) - “Fond G. Pascale”, Naples, Italy
| | - Carmen Manolio
- Innovative Immunological Models Lab, Istituto Nazionale Tumori - Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) - “Fond G. Pascale”, Naples, Italy
| | - Antonio Luciano
- Animal Facility, Istituto Nazionale Tumori - Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) - “Fond G. Pascale”, Naples, Italy
| | - Antonio Barbieri
- Animal Facility, Istituto Nazionale Tumori - Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) - “Fond G. Pascale”, Naples, Italy
| | - Giuseppe Palma
- Animal Facility, Istituto Nazionale Tumori - Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) - “Fond G. Pascale”, Naples, Italy
| | - Giosuè Scognamiglio
- Pathology Unit, Istituto Nazionale Tumori - Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) - “Fond G. Pascale”, Naples, Italy
| | - Annabella Di Mauro
- Pathology Unit, Istituto Nazionale Tumori - Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) - “Fond G. Pascale”, Naples, Italy
| | - Maurizio Di Bonito
- Pathology Unit, Istituto Nazionale Tumori - Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) - “Fond G. Pascale”, Naples, Italy
| | - Maria Lina Tornesello
- Molecular Biology and Viral Oncogenesis, Istituto Nazionale Tumori - Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) - “Fond G. Pascale”, Naples, Italy
| | - Franco M. Buonaguro
- Molecular Biology and Viral Oncogenesis, Istituto Nazionale Tumori - Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) - “Fond G. Pascale”, Naples, Italy
| | - Luigi Vitagliano
- Institute of Biostructures and Bioimaging, Consiglio Nazionale delle Ricerche (CNR), Napoli, Italy
| | - Andrea Caporale
- Institute of Biostructures and Bioimaging, Consiglio Nazionale delle Ricerche (CNR), Napoli, Italy
| | - Menotti Ruvo
- Institute of Biostructures and Bioimaging, Consiglio Nazionale delle Ricerche (CNR), Napoli, Italy
| | - Luigi Buonaguro
- Innovative Immunological Models Lab, Istituto Nazionale Tumori - Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) - “Fond G. Pascale”, Naples, Italy
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Kuo HC, Liu YW, Lum CC, Hsu KD, Lin SP, Hsieh CW, Lin HW, Lu TY, Cheng KC. Ganoderma formosanum Exopolysaccharides Inhibit Tumor Growth via Immunomodulation. Int J Mol Sci 2021; 22:ijms222011251. [PMID: 34681911 PMCID: PMC8538369 DOI: 10.3390/ijms222011251] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 10/15/2021] [Accepted: 10/16/2021] [Indexed: 12/20/2022] Open
Abstract
Ganoderma formosanum (GF) is a medicinal mushroom endemic to Taiwan. Previous research established the optimal culture conditions to produce exopolysaccharide rich in β-glucan (GF-EPS) from submerged fermentation of GF. The present study investigated the antitumor effects of GF-EPS in a Lewis lung carcinoma cell (LLC1) tumor-bearing mice model. In the preventive model, GF-EPS was orally administered to mice before LLC1 injection. In the therapeutic model, GF-EPS oral administration was initiated five days after tumor cell injection. The tumor size and body weight of the mice were recorded. After sacrifice, the lymphocyte subpopulation was analyzed using flow cytometry. Spleen tissues were used to analyze cytokine mRNA expression. The results showed that GF-EPS (80 mg/kg) effectively suppressed LLC1 tumor growth in both the preventive and therapeutic models. GF-EPS administration increased the proportion of natural killer cells in the spleen and activated gene expression of several cytokines. Our results provide evidence that GF-EPS promotes tumor inhibition through immunomodulation in tumor-bearing mice.
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Affiliation(s)
- Hsing-Chun Kuo
- Department of Nursing, Division of Basic Medical Sciences, Chang Gung University of Science and Technology, Chiayi 613, Taiwan;
- Research Fellow, Chang Gung Memorial Hospital, Chiayi 613, Taiwan
- Research Center for Food and Cosmetic Safety, College of Human Ecology, Chang Gung University of Science and Technology, Taoyuan 333, Taiwan
- Chronic Diseases and Health Promotion Research Center, Chang Gung University of Science and Technology, Chiayi 613, Taiwan
| | - Yen-Wenn Liu
- Institute of Biochemistry and Molecular Biology, National Yang Ming Chiao Tung University, Taipei 112, Taiwan;
| | - Chi-Chin Lum
- Institute of Biotechnology, National Taiwan University, Taipei 106, Taiwan; (C.-C.L.); (K.-D.H.)
| | - Kai-Di Hsu
- Institute of Biotechnology, National Taiwan University, Taipei 106, Taiwan; (C.-C.L.); (K.-D.H.)
| | - Shin-Ping Lin
- Department of Food Safety, Taipei Medical University, Taipei 110, Taiwan;
| | - Chang-Wei Hsieh
- Department of Food Science and Biotechnology, National Chung Hsing University, Taichung 402, Taiwan;
| | - Hui-Wen Lin
- Department of Optometry, Asia University, Taichung 413, Taiwan;
| | - Tze-Ying Lu
- Department of Cardiology, Taipei Medical University-Shuang Ho Hospital, New Taipei City 235, Taiwan
- Correspondence: (T.-Y.L.); (K.-C.C.)
| | - Kuan-Chen Cheng
- Institute of Biotechnology, National Taiwan University, Taipei 106, Taiwan; (C.-C.L.); (K.-D.H.)
- Department of Optometry, Asia University, Taichung 413, Taiwan;
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 406, Taiwan
- Institute of Food Science Technology, National Taiwan University, Taipei 106, Taiwan
- Correspondence: (T.-Y.L.); (K.-C.C.)
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45
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Xu Y, Hu Y, Xu T, Yan K, Zhang T, Li Q, Chang F, Guo X, Peng J, Li M, Zhao M, Zhen H, Xu L, Zheng D, Li L, Shao G. RNF8-mediated regulation of Akt promotes lung cancer cell survival and resistance to DNA damage. Cell Rep 2021; 37:109854. [PMID: 34686341 DOI: 10.1016/j.celrep.2021.109854] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 08/18/2021] [Accepted: 09/28/2021] [Indexed: 01/21/2023] Open
Abstract
Despite the tremendous success of targeted and conventional therapies for lung cancer, therapeutic resistance is a common and major clinical challenge. RNF8 is a ubiquitin E3 ligase that plays essential roles in the DNA damage response; however, its role in the pathogenesis of lung cancer is unclear. Here, we report that RNF8 is overexpressed in lung cancer and positively correlates with the expression of p-Akt and poor survival of patients with non-small-cell lung cancer. In addition, we identify RNF8 as the E3 ligase for regulating the activation of Akt by K63-linked ubiquitination under physiological and genotoxic conditions, which leads to lung cancer cell proliferation and resistance to chemotherapy. Together, our study suggests that RNF8 could be a very promising target in precision medicine for lung cancer.
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Affiliation(s)
- Yongjie Xu
- Department of Cell Biology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Yumeng Hu
- Department of Cell Biology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Tao Xu
- The Affiliated Hospital of Qingdao University, Qingdao 266021, China
| | - Kaowen Yan
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Ting Zhang
- Department of Cell Biology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Qin Li
- Department of Cell Biology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Fen Chang
- Department of Cell Biology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Xueyuan Guo
- Department of Cell Biology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Jingyu Peng
- State Key Laboratory of Membrane Biology, Ministry of Education Key Laboratory of Cell Proliferation and Differentiation, School of Life Sciences, Peking University, Beijing 100871, China
| | - Mo Li
- Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China
| | - Min Zhao
- Department of Oncology, Hebei Chest Hospital, Research Center of Hebei Lung Cancer Prevention and Treatment, Shijiazhuang, Hebei 050041, China
| | - Hongying Zhen
- Department of Cell Biology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Luzheng Xu
- Medical and Health Analysis Center, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Duo Zheng
- Department of Cell Biology and Genetics, Shenzhen University School of Medicine, Shenzhen 518055, China
| | - Li Li
- Department of Cell Biology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China.
| | - Genze Shao
- Department of Cell Biology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China.
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46
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Ba H, Jiang R, Zhang M, Yin B, Wang J, Li Z, Li B, Zhou X. Suppression of Transmembrane Tumor Necrosis Factor Alpha Processing by a Specific Antibody Protects Against Colitis-Associated Cancer. Front Immunol 2021; 12:687874. [PMID: 34675913 PMCID: PMC8524043 DOI: 10.3389/fimmu.2021.687874] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Accepted: 09/16/2021] [Indexed: 12/26/2022] Open
Abstract
Soluble tumor necrosis factor-α (sTNF-α) plays an important role in colitis-associated cancer (CAC); however, little is known about transmembrane TNF-α (tmTNF-α). Here, we observed an increase in sTNF-α mainly in colitis tissues from an azoxymethane/dextran sodium sulfate (DSS)-induced CAC mouse model whereas tmTNF-α levels were chiefly increased on epithelial cells at the tumor stage. The ratio of intracolonic tmTNF-α/sTNF-α was negatively correlated with the levels of pro-inflammatory mediators (IL-1β, IL-6, and NO) and M1 macrophages but positively correlated with the infiltration of myeloid-derived suppressor cells, regulatory T cells, and the level of the anti-inflammatory cytokine IL-10, suggesting an anti-inflammatory effect of tmTNF-α. This effect of tmTNF-α was confirmed again by the induction of resistance to LPS in colonic epithelial cell lines NCM460 and HCoEpiC through the addition of exogenous tmTNF-α or transfection of the tmTNF-α leading sequence that lacks the extracellular segment but retains the intracellular domain of tmTNF-α. A tmTNF-α antibody was used to block tmTNF-α shedding after the first or second round of inflammation induction by DSS drinking to shift the time window of tmTNF-α expression ahead to the inflammation stage. Antibody treatment significantly alleviated inflammation and suppressed subsequent adenoma formation, accompanied by increased apoptosis. An antitumor effect was also observed when the antibody was administered at the malignant phase of CAC. Our results reveal tmTNF-α as a novel molecular marker for malignant transformation in CAC and provide a new insight into blocking the pathological process by targeting tmTNF-α processing.
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Affiliation(s)
- Hongping Ba
- Department of Immunology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Rui Jiang
- Department of Immunology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Meng Zhang
- Department of Immunology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Bingjiao Yin
- Department of Immunology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jing Wang
- Department of Immunology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhuoya Li
- Department of Immunology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Baihua Li
- Department of Immunology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiaoxi Zhou
- Department of Hematology, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
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47
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Picech F, Sosa LD, Perez PA, Cecenarro L, Oms SR, Coca HA, De Battista JC, Gutiérrez S, Mukdsi JH, Torres AI, Petiti JP. TGF-β1/Smad2/3 signaling pathway modulates octreotide antisecretory and antiproliferative effects in pituitary somatotroph tumor cells. J Cell Physiol 2021; 236:6974-6987. [PMID: 33682941 DOI: 10.1002/jcp.30360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 02/24/2021] [Accepted: 02/27/2021] [Indexed: 11/06/2022]
Abstract
Octreotide (OCT) is used to inhibit hormone secretion and growth in somatotroph tumors, although a significant percentage of patients are resistant. It has also been tested in nonfunctioning (NF) tumors but with poor results, with these outcomes having been associated with SSTR2 levels and impaired signaling. We investigated whether OCT inhibitory effects can be improved by TGF-β1 in functioning and nonfunctioning somatotroph tumor cells. OCT effects on hormone secretion and proliferation were analyzed in the presence of TGF-β1 in WT and SSTR2-overexpressing secreting GH3 and silent somatotroph tumor cells. The mechanism underlying these effects was assessed by studying SSTR and TGFβR signaling pathways mediators. In addition, we analyzed the effects of OCT/TGF-β1 treatment on tumor growth and cell proliferation in vivo. The inhibitory effects of OCT on GH- and PRL-secretion and proliferation were improved in the presence of TGF-β1, as well as by SSTR2 overexpression. The OCT/TGF-β1 treatment induced downregulation of pERK1/2 and pAkt, upregulation of pSmad3, and inhibition of cyclin D1. In vivo experiments showed that OCT in the presence of TGF-β1 blocked tumor volume growth, decreased cell proliferation, and increased tumor necrosis. These results indicate that SSTR2 levels and the stimulation of TGF-β1/TGFβR/Smad2/3 pathway are important for strengthening the antiproliferative and antisecretory effects of OCT.
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Affiliation(s)
- Florencia Picech
- Instituto de Investigaciones en Ciencias de la Salud, Consejo Nacional de Investigaciones Científicas y Técnicas, Facultad de Ciencias Médicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Liliana Dv Sosa
- Instituto de Investigaciones en Ciencias de la Salud, Consejo Nacional de Investigaciones Científicas y Técnicas, Facultad de Ciencias Médicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Pablo A Perez
- Instituto de Investigaciones en Ciencias de la Salud, Consejo Nacional de Investigaciones Científicas y Técnicas, Facultad de Ciencias Médicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Laura Cecenarro
- Instituto de Investigaciones en Ciencias de la Salud, Consejo Nacional de Investigaciones Científicas y Técnicas, Facultad de Ciencias Médicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Sergio R Oms
- Centro de Investigación y Desarrollo en Inmunología y Enfermedades Infecciosas, Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad Católica de Córdoba, Córdoba, Argentina
| | - Hugo A Coca
- Servicio de Neurocirugía, Hospital Privado Universitario de Córdoba, Córdoba, Argentina
| | - Juan C De Battista
- Servicio de Neurocirugía, Hospital Privado Universitario de Córdoba, Córdoba, Argentina
| | - Silvina Gutiérrez
- Instituto de Investigaciones en Ciencias de la Salud, Consejo Nacional de Investigaciones Científicas y Técnicas, Facultad de Ciencias Médicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Jorge H Mukdsi
- Instituto de Investigaciones en Ciencias de la Salud, Consejo Nacional de Investigaciones Científicas y Técnicas, Facultad de Ciencias Médicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Alicia I Torres
- Instituto de Investigaciones en Ciencias de la Salud, Consejo Nacional de Investigaciones Científicas y Técnicas, Facultad de Ciencias Médicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Juan P Petiti
- Instituto de Investigaciones en Ciencias de la Salud, Consejo Nacional de Investigaciones Científicas y Técnicas, Facultad de Ciencias Médicas, Universidad Nacional de Córdoba, Córdoba, Argentina
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48
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Gong TT, Guo Q, Li X, Zhang TN, Liu FH, He XH, Lin B, Wu QJ. Isothiocyanate Iberin inhibits cell proliferation and induces cell apoptosis in the progression of ovarian cancer by mediating ROS accumulation and GPX1 expression. Biomed Pharmacother 2021; 142:111533. [PMID: 34148735 DOI: 10.1016/j.biopha.2021.111533] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 03/12/2021] [Accepted: 03/21/2021] [Indexed: 12/16/2022] Open
Abstract
Ovarian cancer (OC) is one of the most common gynecologic malignancies with poor survival rate, and Iberin is a member of isothiocyanate family with anti-tumor activity. However, the role of Iberin in OC development has not been reported yet. In this study, A2780 and OVCAR-3 cells were treated with gradient concentrations of Iberin to investigate the effect of Iberin on OC in vitro. Meanwhile, the in vivo tumorgenesis experiment was performed using female BALB/c nude mice treated with Iberin. Iberin inhibited cell proliferation, induced G2 cell cycle arrest and promoted cell apoptosis in OC cells. Besides, Iberin reduced GSH/GSSG level, enhanced ROS accumulation, and activated MAPK signaling in OC cells. More interestingly, ROS scavenger (NAC) compensated the anti-proliferative and pro-apoptotic effects of Iberin on OC cells, suggesting the involvement of ROS in the regulation of Iberin on OC cell growth. Notably, Iberin induced down-regulation of glutathione peroxidase-1 (GPX1), and over-expression of GPX1 reversed Iberin-mediated alterations in the proliferation, apoptosis and ROS accumulation of OC cells. The in vivo tumorgenesis study further evidenced the protection of Iberin against OC development. Besides, Iberin displayed a synergistic effect on the enhancement of chemo-sensitivity in OC cells. In summary, our study demonstrates the anti-tumor effect of Iberin on OC and its potential as a therapeutic agent against OC in the future.
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Affiliation(s)
- Ting-Ting Gong
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang 110004, People's Republic of China
| | - Qian Guo
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang 110004, People's Republic of China
| | - Xiao Li
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang 110004, People's Republic of China
| | - Tie-Ning Zhang
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang 110004, People's Republic of China
| | - Fang-Hua Liu
- Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang 110004, People's Republic of China
| | - Xin-Hui He
- Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang 110004, People's Republic of China
| | - Bei Lin
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang 110004, People's Republic of China.
| | - Qi-Jun Wu
- Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang 110004, People's Republic of China.
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49
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Shang M, Weng L, Xu G, Wu S, Liu B, Yin X, Mao A, Zou X, Wang Z. TRIM11 suppresses ferritinophagy and gemcitabine sensitivity through UBE2N/TAX1BP1 signaling in pancreatic ductal adenocarcinoma. J Cell Physiol 2021; 236:6868-6883. [PMID: 33629745 DOI: 10.1002/jcp.30346] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 02/01/2021] [Accepted: 02/15/2021] [Indexed: 12/12/2022]
Abstract
Gemcitabine is first-line chemotherapy for pancreatic cancer, however, the development of resistance limits its effectiveness. The tripartite motif-containing 11 (TRIM11) protein plays crucial roles in tumor development and undergoes auto-polyubiquitination to promote interactions in selective autophagy. Therefore, Understanding whether TRIM11 is involved in ferritinophagy and gemcitabine resistance in pancreatic cancer is critical in developing pancreatic cancer therapeutics. TRIM11 expression was validated by Western blot analysis, real-time polymease chain reaction, and immunohistochemical staining. 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide and Colony formation assays were performed to investigate pancreatic ductal adenocarcinomas (PDAC) cell viability. Mouse xenograft model of PDAC cells was established to verify the role of TRIM11 in vivo. Coimmunoprecipitation was used to identify the reciprocal regulation between TRIM11 and UBE2N. In this study, we found that TRIM11 expression were higher in PDAC cells and tissues. TRIM11 overexpression promotes PDAC cell proliferation in vitro and tumor growth in vivo. Decreased expression of TRIM11 in PDAC patients is associated with decreased UBE2N and increased TAX1BP1 expression. Coimmunoprecipitation established that TRIM11 interacts and colocalizes with UBE2N. Mechanistically, TRIM11 promoted gemcitabine resistance and suppressed ferritinophagy through UBE2N-TAX1BP1 signaling. Our findings identify TRIM11 as a key regulator of TAX1BP1 signaling with a crucial role in ferritinophagy and gemcitabine resistance in PDAC.
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MESH Headings
- Animals
- Antimetabolites, Antineoplastic/pharmacology
- Autophagy/drug effects
- Carcinoma, Pancreatic Ductal/drug therapy
- Carcinoma, Pancreatic Ductal/genetics
- Carcinoma, Pancreatic Ductal/metabolism
- Carcinoma, Pancreatic Ductal/pathology
- Cell Line, Tumor
- Deoxycytidine/analogs & derivatives
- Deoxycytidine/pharmacology
- Drug Resistance, Neoplasm
- Female
- Ferroptosis/drug effects
- Gene Expression Regulation, Neoplastic
- Humans
- Intracellular Signaling Peptides and Proteins/genetics
- Intracellular Signaling Peptides and Proteins/metabolism
- Mice, Inbred BALB C
- Mice, Nude
- Neoplasm Proteins/genetics
- Neoplasm Proteins/metabolism
- Pancreatic Neoplasms/drug therapy
- Pancreatic Neoplasms/genetics
- Pancreatic Neoplasms/metabolism
- Pancreatic Neoplasms/pathology
- Signal Transduction
- Tripartite Motif Proteins/genetics
- Tripartite Motif Proteins/metabolism
- Tumor Burden/drug effects
- Ubiquitin-Conjugating Enzymes/genetics
- Ubiquitin-Conjugating Enzymes/metabolism
- Ubiquitin-Protein Ligases/genetics
- Ubiquitin-Protein Ligases/metabolism
- Xenograft Model Antitumor Assays
- Gemcitabine
- Mice
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Affiliation(s)
- Mingyi Shang
- Department of Interventional Radiology, Tongren Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Li Weng
- Department of Interventional Radiology, Tongren Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Guifang Xu
- Department of gastroenterology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, China
| | - Shaoqiu Wu
- Department of Interventional Radiology, Tongren Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Bingyan Liu
- Department of Interventional Radiology, Tongren Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Xiang Yin
- Department of Interventional Radiology, Tongren Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Aiwu Mao
- Department of Interventional Radiology, Tongren Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Xiaoping Zou
- Department of interventional radiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhongmin Wang
- Department of gastroenterology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, China
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50
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Gebert J, Gelincik O, Oezcan-Wahlbrink M, Marshall JD, Hernandez-Sanchez A, Urban K, Long M, Cortes E, Tosti E, Katzenmaier EM, Song Y, Elsaadi A, Deng N, Vilar E, Fuchs V, Nelius N, Yuan YP, Ahadova A, Sei S, Shoemaker RH, Umar A, Wei L, Liu S, Bork P, Edelmann W, von Knebel Doeberitz M, Lipkin SM, Kloor M. Recurrent Frameshift Neoantigen Vaccine Elicits Protective Immunity With Reduced Tumor Burden and Improved Overall Survival in a Lynch Syndrome Mouse Model. Gastroenterology 2021; 161:1288-1302.e13. [PMID: 34224739 PMCID: PMC10184299 DOI: 10.1053/j.gastro.2021.06.073] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Revised: 06/02/2021] [Accepted: 06/28/2021] [Indexed: 12/13/2022]
Abstract
BACKGROUND & AIMS DNA mismatch repair deficiency drives microsatellite instability (MSI). Cells with MSI accumulate numerous frameshift mutations. Frameshift mutations affecting cancer-related genes may promote tumorigenesis and, therefore, are shared among independently arising MSI tumors. Consequently, such recurrent frameshift mutations can give rise to shared immunogenic frameshift peptides (FSPs) that represent ideal candidates for a vaccine against MSI cancer. Pathogenic germline variants of mismatch repair genes cause Lynch syndrome (LS), a hereditary cancer syndrome affecting approximately 20-25 million individuals worldwide. Individuals with LS are at high risk of developing MSI cancer. Previously, we demonstrated safety and immunogenicity of an FSP-based vaccine in a phase I/IIa clinical trial in patients with a history of MSI colorectal cancer. However, the cancer-preventive effect of FSP vaccination in the scenario of LS has not yet been demonstrated. METHODS A genome-wide database of 488,235 mouse coding mononucleotide repeats was established, from which a set of candidates was selected based on repeat length, gene expression, and mutation frequency. In silico prediction, in vivo immunogenicity testing, and epitope mapping was used to identify candidates for FSP vaccination. RESULTS We identified 4 shared FSP neoantigens (Nacad [FSP-1], Maz [FSP-1], Senp6 [FSP-1], Xirp1 [FSP-1]) that induced CD4/CD8 T cell responses in naïve C57BL/6 mice. Using VCMsh2 mice, which have a conditional knockout of Msh2 in the intestinal tract and develop intestinal cancer, we showed vaccination with a combination of only 4 FSPs significantly increased FSP-specific adaptive immunity, reduced intestinal tumor burden, and prolonged overall survival. Combination of FSP vaccination with daily naproxen treatment potentiated immune response, delayed tumor growth, and prolonged survival even more effectively than FSP vaccination alone. CONCLUSIONS Our preclinical findings support a clinical strategy of recurrent FSP neoantigen vaccination for LS cancer immunoprevention.
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MESH Headings
- Adjuvants, Immunologic/pharmacology
- Animals
- Anti-Inflammatory Agents, Non-Steroidal/pharmacology
- Antigens, Neoplasm/genetics
- Antigens, Neoplasm/immunology
- Antigens, Neoplasm/pharmacology
- Cancer Vaccines/genetics
- Cancer Vaccines/immunology
- Cancer Vaccines/pharmacology
- Colorectal Neoplasms, Hereditary Nonpolyposis/drug therapy
- Colorectal Neoplasms, Hereditary Nonpolyposis/genetics
- Colorectal Neoplasms, Hereditary Nonpolyposis/immunology
- Colorectal Neoplasms, Hereditary Nonpolyposis/pathology
- Databases, Genetic
- Disease Models, Animal
- Epitopes
- Frameshift Mutation
- Immunity, Cellular/drug effects
- Immunity, Humoral/drug effects
- Immunogenetic Phenomena
- Mice, Inbred C57BL
- Mice, Knockout
- MutS Homolog 2 Protein/genetics
- Naproxen/pharmacology
- Peptide Fragments/genetics
- Peptide Fragments/immunology
- Peptide Fragments/pharmacology
- Tumor Burden/drug effects
- Tumor Microenvironment
- Vaccination
- Vaccine Efficacy
- Mice
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Affiliation(s)
- Johannes Gebert
- Department of Applied Tumor Biology, Institute of Pathology, University of Heidelberg, Heidelberg, Germany; Clinical Cooperation Unit Applied Tumor Biology, German Cancer Research Center, Heidelberg, Germany.
| | | | - Mine Oezcan-Wahlbrink
- Department of Applied Tumor Biology, Institute of Pathology, University of Heidelberg, Heidelberg, Germany; Clinical Cooperation Unit Applied Tumor Biology, German Cancer Research Center, Heidelberg, Germany
| | - Jason D Marshall
- Cancer ImmunoPrevention Laboratory, Frederick National Laboratory for Cancer Research, Frederick, Maryland
| | - Alejandro Hernandez-Sanchez
- Department of Applied Tumor Biology, Institute of Pathology, University of Heidelberg, Heidelberg, Germany; Clinical Cooperation Unit Applied Tumor Biology, German Cancer Research Center, Heidelberg, Germany
| | - Katharina Urban
- Department of Applied Tumor Biology, Institute of Pathology, University of Heidelberg, Heidelberg, Germany; Clinical Cooperation Unit Applied Tumor Biology, German Cancer Research Center, Heidelberg, Germany
| | - Mark Long
- Department of Biostatistics and Bioinformatics, Roswell Park Comprehensive Cancer Center, Buffalo, New York
| | - Eduardo Cortes
- Department of Biostatistics and Bioinformatics, Roswell Park Comprehensive Cancer Center, Buffalo, New York
| | - Elena Tosti
- Department of Cell Biology, Albert Einstein College of Medicine, New York, New York
| | - Eva-Maria Katzenmaier
- Department of Applied Tumor Biology, Institute of Pathology, University of Heidelberg, Heidelberg, Germany; Clinical Cooperation Unit Applied Tumor Biology, German Cancer Research Center, Heidelberg, Germany
| | - Yurong Song
- Cancer ImmunoPrevention Laboratory, Frederick National Laboratory for Cancer Research, Frederick, Maryland
| | - Ali Elsaadi
- Weill Cornell Medical College, New York, New York
| | - Nan Deng
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Eduardo Vilar
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Vera Fuchs
- Department of Applied Tumor Biology, Institute of Pathology, University of Heidelberg, Heidelberg, Germany; Clinical Cooperation Unit Applied Tumor Biology, German Cancer Research Center, Heidelberg, Germany
| | - Nina Nelius
- Department of Applied Tumor Biology, Institute of Pathology, University of Heidelberg, Heidelberg, Germany; Clinical Cooperation Unit Applied Tumor Biology, German Cancer Research Center, Heidelberg, Germany
| | - Yan P Yuan
- European Molecular Biology Laboratory, Structural and Computational Biology Unit, Heidelberg, Germany
| | - Aysel Ahadova
- Department of Applied Tumor Biology, Institute of Pathology, University of Heidelberg, Heidelberg, Germany; Clinical Cooperation Unit Applied Tumor Biology, German Cancer Research Center, Heidelberg, Germany
| | - Shizuko Sei
- Division of Cancer Prevention, National Cancer Institute, Bethesda, Maryland
| | - Robert H Shoemaker
- Division of Cancer Prevention, National Cancer Institute, Bethesda, Maryland
| | - Asad Umar
- Division of Cancer Prevention, National Cancer Institute, Bethesda, Maryland
| | - Lei Wei
- Department of Biostatistics and Bioinformatics, Roswell Park Comprehensive Cancer Center, Buffalo, New York
| | - Song Liu
- Department of Biostatistics and Bioinformatics, Roswell Park Comprehensive Cancer Center, Buffalo, New York
| | - Peer Bork
- European Molecular Biology Laboratory, Structural and Computational Biology Unit, Heidelberg, Germany; Max Delbrück Centre for Molecular Medicine, Berlin, Germany; Department of Bioinformatics, Biocenter, University of Würzburg, Würzburg, Germany
| | - Winfried Edelmann
- Department of Cell Biology, Albert Einstein College of Medicine, New York, New York
| | - Magnus von Knebel Doeberitz
- Department of Applied Tumor Biology, Institute of Pathology, University of Heidelberg, Heidelberg, Germany; Clinical Cooperation Unit Applied Tumor Biology, German Cancer Research Center, Heidelberg, Germany.
| | | | - Matthias Kloor
- Department of Applied Tumor Biology, Institute of Pathology, University of Heidelberg, Heidelberg, Germany; Clinical Cooperation Unit Applied Tumor Biology, German Cancer Research Center, Heidelberg, Germany.
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