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Zou Y, Xu L, Wang W, Zhu X, Lin J, Li H, Chen J, Xu W, Gao H, Wu X, Yin Z, Wang Q. Muscone restores anoikis sensitivity in TMZ-resistant glioblastoma cells by suppressing TOP2A via the EGFR/Integrin β1/FAK signaling pathway. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 129:155714. [PMID: 38723526 DOI: 10.1016/j.phymed.2024.155714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Revised: 04/15/2024] [Accepted: 05/04/2024] [Indexed: 05/30/2024]
Abstract
BACKGROUND Temozolomide (TMZ) resistance is the main obstacle faced by glioblastoma multiforme (GBM) treatment. Muscone, one of the primary active pharmacological ingredients of Shexiang (Moschus), can cross the blood-brain barrier (BBB) and is being investigated as an antineoplastic medication. However, muscone treatment for GBM has received little research, and its possible mechanisms are still unclear. PURPOSE This study aims to evaluate the effect and the potential molecular mechanism of muscone on TMZ-resistant GBM cells. METHODS The differentially expressed genes (DEGs) between TMZ-resistant GBM cells and TMZ-sensitive GBM cells were screened using GEO2R. By progressively raising the TMZ concentration, a relatively stable TMZ-resistant human GBM cell line was established. The drug-resistance traits of U251-TR cells were assessed via the CCK-8 assay and Western Blot analysis of MGMT and TOP2A expression. Cell viability, cell proliferation, cell migration ability, and drug synergism were detected by the CCK-8 assay, colony formation assay, wound healing assay, and drug interaction relationship test, respectively. Anoikis was quantified by Calcein-AM/EthD-1 staining, MTT assay, and flow cytometry. Measurements of cell cycle arrest, apoptosis, mitochondrial membrane potential (MMP), and reactive oxygen species (ROS) were performed using cell cycle staining, Annexin V-FITC/PI labeling, JC-1 assay, and ROS assay, respectively. DNA damage was measured by TUNEL assay, alkaline comet assay, and γ-H2AX foci assay. GEPIA was used to investigate the link between the anoikis marker (FAK)/drug resistance gene and critical proteins in the EGFR/Integrin β1 signaling pathway. Molecular docking was used to anticipate the probable targets of muscone. The intracellular co-localization and expression of EGFR and FAK were shown using immunofluorescence. The U251-TR cell line stably overexpressing EGFR was constructed using lentiviral transduction to assess the involvement of EGFR-related signaling in anoikis resistance. Western Blot was employed to detect the expression of migration-related proteins, cyclins, anoikis-related proteins, DNA damage/repair-related proteins, and associated pathway proteins. RESULTS DEGs analysis identified 97 deregulated chemotherapy-resistant genes and 3779 upregulated genes in TMZ-resistant GBM cells. Subsequent experiments verified TMZ resistance and the hyper-expression of DNA repair-related genes (TOP2A and MGMT) in continuously low-dose TMZ-induced U251-TR cells. Muscone exhibited dose-dependent inhibition of U251-TR cell migration and proliferation, and its co-administration with TMZ showed the potential for enhanced therapeutic efficacy. By downregulating FAK, muscone reduced anoikis resistance in anchorage-independent U251-TR cells. It also caused cell cycle arrest in the G2/M phase by upregulating p21 and downregulating CDK1, CDK2, and Cyclin E1. Muscone-induced anoikis was accompanied by mitochondrial membrane potential collapse, ROS production, an increase in the BAX/Bcl-2 ratio, as well as elevated levels of Cytochrome c (Cyt c), cleaved caspase-9, and cleaved caspase-3. These findings indicated that muscone might trigger mitochondrial-dependent anoikis via ROS generation. Moreover, significant DNA damage, DNA double-strand breaks (DSBs), the formation of γ-H2AX foci, and a reduction in TOP2A expression are also associated with muscone-induced anoikis. Overexpression of EGFR in U251-TR cells boosted the expression of Integrin β1, FAK, β-Catenin, and TOP2A, whereas muscone suppressed the expression levels of EGFR, Integrin β1, β-Catenin, FAK, and TOP2A. Muscone may influence the expression of the key DNA repair enzyme, TOP2A, by suppressing the EGFR/Integrin β1/FAK pathway. CONCLUSION We first demonstrated that muscone suppressed TOP2A expression through the EGFR/Integrin β1/FAK pathway, hence restoring anoikis sensitivity in TMZ-resistant GBM cells. These data suggest that muscone may be a promising co-therapeutic agent for enhancing GBM treatment, particularly in cases of TMZ-resistant GBM with elevated TOP2A expression.
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Affiliation(s)
- Yuheng Zou
- Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong 510282, China; Department of Molecular Biology, State Administration of Traditional Chinese Medicine of the People's Republic of China, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Lanyang Xu
- Department of Molecular Biology, State Administration of Traditional Chinese Medicine of the People's Republic of China, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Wanyu Wang
- Department of Molecular Biology, State Administration of Traditional Chinese Medicine of the People's Republic of China, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Xiao Zhu
- Department of Molecular Biology, State Administration of Traditional Chinese Medicine of the People's Republic of China, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Jiaqi Lin
- Department of Molecular Biology, State Administration of Traditional Chinese Medicine of the People's Republic of China, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Huazhao Li
- Department of Molecular Biology, State Administration of Traditional Chinese Medicine of the People's Republic of China, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Jiali Chen
- Department of Molecular Biology, State Administration of Traditional Chinese Medicine of the People's Republic of China, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Wei Xu
- Department of Molecular Biology, State Administration of Traditional Chinese Medicine of the People's Republic of China, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Haiqiong Gao
- Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Xianghui Wu
- Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Zhixin Yin
- Department of Molecular Biology, State Administration of Traditional Chinese Medicine of the People's Republic of China, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Qirui Wang
- Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong 510282, China; Department of Molecular Biology, State Administration of Traditional Chinese Medicine of the People's Republic of China, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China.
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Glotzbach A, Rohlf K, Gonscharow A, Lüke S, Demirci Ö, Begher-Tibbe B, Overbeck N, Reinders J, Cadenas C, Hengstler JG, Edlund K, Marchan R. EDI3 knockdown in ER-HER2+ breast cancer cells reduces tumor burden and improves survival in two mouse models of experimental metastasis. Breast Cancer Res 2024; 26:87. [PMID: 38816770 PMCID: PMC11138102 DOI: 10.1186/s13058-024-01849-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 05/23/2024] [Indexed: 06/01/2024] Open
Abstract
BACKGROUND Despite progress understanding the mechanisms underlying tumor spread, metastasis remains a clinical challenge. We identified the choline-producing glycerophosphodiesterase, EDI3 and reported its association with metastasis-free survival in endometrial cancer. We also observed that silencing EDI3 slowed cell migration and other cancer-relevant phenotypes in vitro. Recent work demonstrated high EDI3 expression in ER-HER2+ breast cancer compared to the other molecular subtypes. Silencing EDI3 in ER-HER2+ cells significantly reduced cell survival in vitro and decreased tumor growth in vivo. However, a role for EDI3 in tumor metastasis in this breast cancer subtype was not explored. Therefore, in the present work we investigate whether silencing EDI3 in ER-HER2+ breast cancer cell lines alters phenotypes linked to metastasis in vitro, and metastasis formation in vivo using mouse models of experimental metastasis. METHODS To inducibly silence EDI3, luciferase-expressing HCC1954 cells were transduced with lentiviral particles containing shRNA oligos targeting EDI3 under the control of doxycycline. The effect on cell migration, adhesion, colony formation and anoikis was determined in vitro, and significant findings were confirmed in a second ER-HER2+ cell line, SUM190PT. Doxycycline-induced HCC1954-luc shEDI3 cells were injected into the tail vein or peritoneum of immunodeficient mice to generate lung and peritoneal metastases, respectively and monitored using non-invasive bioluminescence imaging. Metabolite levels in cells and tumor tissue were analyzed using targeted mass spectrometry and MALDI mass spectrometry imaging (MALDI-MSI), respectively. RESULTS Inducibly silencing EDI3 reduced cell adhesion and colony formation, as well as increased susceptibility to anoikis in HCC1954-luc cells, which was confirmed in SUM190PT cells. No influence on cell migration was observed. Reduced luminescence was seen in lungs and peritoneum of mice injected with cells expressing less EDI3 after tail vein and intraperitoneal injection, respectively, indicative of reduced metastasis. Importantly, mice injected with EDI3-silenced cells survived longer. Closer analysis of the peritoneal organs revealed that silencing EDI3 had no effect on metastatic organotropism but instead reduced metastatic burden. Finally, metabolic analyses revealed significant changes in choline and glycerophospholipid metabolites in cells and in pancreatic metastases in vivo. CONCLUSIONS Reduced metastasis upon silencing supports EDI3's potential as a treatment target in metastasizing ER-HER2+ breast cancer.
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Affiliation(s)
- Annika Glotzbach
- Leibniz Research Centre for Working Environment and Human Factors at the TU Dortmund (IfADo), Ardeystrasse 67, 44139, Dortmund, Germany
| | - Katharina Rohlf
- Leibniz Research Centre for Working Environment and Human Factors at the TU Dortmund (IfADo), Ardeystrasse 67, 44139, Dortmund, Germany
| | - Anastasia Gonscharow
- Leibniz Research Centre for Working Environment and Human Factors at the TU Dortmund (IfADo), Ardeystrasse 67, 44139, Dortmund, Germany
| | - Simon Lüke
- Leibniz Research Centre for Working Environment and Human Factors at the TU Dortmund (IfADo), Ardeystrasse 67, 44139, Dortmund, Germany
| | - Özlem Demirci
- Leibniz Research Centre for Working Environment and Human Factors at the TU Dortmund (IfADo), Ardeystrasse 67, 44139, Dortmund, Germany
- Department of Biology, Science Faculty, Dicle University, Diyarbakir, Turkey
| | - Brigitte Begher-Tibbe
- Leibniz Research Centre for Working Environment and Human Factors at the TU Dortmund (IfADo), Ardeystrasse 67, 44139, Dortmund, Germany
| | - Nina Overbeck
- Leibniz Research Centre for Working Environment and Human Factors at the TU Dortmund (IfADo), Ardeystrasse 67, 44139, Dortmund, Germany
| | - Jörg Reinders
- Leibniz Research Centre for Working Environment and Human Factors at the TU Dortmund (IfADo), Ardeystrasse 67, 44139, Dortmund, Germany
| | - Cristina Cadenas
- Leibniz Research Centre for Working Environment and Human Factors at the TU Dortmund (IfADo), Ardeystrasse 67, 44139, Dortmund, Germany
| | - Jan G Hengstler
- Leibniz Research Centre for Working Environment and Human Factors at the TU Dortmund (IfADo), Ardeystrasse 67, 44139, Dortmund, Germany
| | - Karolina Edlund
- Leibniz Research Centre for Working Environment and Human Factors at the TU Dortmund (IfADo), Ardeystrasse 67, 44139, Dortmund, Germany
| | - Rosemarie Marchan
- Leibniz Research Centre for Working Environment and Human Factors at the TU Dortmund (IfADo), Ardeystrasse 67, 44139, Dortmund, Germany.
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Patra S, Naik PP, Mahapatra KK, Alotaibi MR, Patil S, Patro BS, Sethi G, Efferth T, Bhutia SK. Recent advancement of autophagy in polyploid giant cancer cells and its interconnection with senescence and stemness for therapeutic opportunities. Cancer Lett 2024; 590:216843. [PMID: 38579893 DOI: 10.1016/j.canlet.2024.216843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 02/11/2024] [Accepted: 04/01/2024] [Indexed: 04/07/2024]
Abstract
Recurrent chemotherapy-induced senescence and resistance are attributed to the polyploidization of cancer cells that involve genomic instability and poor prognosis due to their unique form of cellular plasticity. Autophagy, a pre-dominant cell survival mechanism, is crucial during carcinogenesis and chemotherapeutic stress, favouring polyploidization. The selective autophagic degradation of essential proteins associated with cell cycle progression checkpoints deregulate mitosis fidelity and genomic integrity, imparting polyploidization of cancer cells. In connection with cytokinesis failure and endoreduplication, autophagy promotes the formation, maintenance, and generation of the progeny of polyploid giant cancer cells. The polyploid cancer cells embark on autophagy-guarded elevation in the expression of stem cell markers, along with triggered epithelial and mesenchymal transition and senescence. The senescent polyploid escapers represent a high autophagic index than the polyploid progeny, suggesting regaining autophagy induction and subsequent autophagic degradation, which is essential for escaping from senescence/polyploidy, leading to a higher proliferative phenotypic progeny. This review documents the various causes of polyploidy and its consequences in cancer with relevance to autophagy modulation and its targeting for therapeutic intervention as a novel therapeutic strategy for personalized and precision medicine.
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Affiliation(s)
- Srimanta Patra
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Rourkela, 769008, Odisha, India
| | - Prajna Paramita Naik
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Rourkela, 769008, Odisha, India; Department of Zoology Panchayat College, Bargarh, 768028, Odisha, India
| | - Kewal Kumar Mahapatra
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Rourkela, 769008, Odisha, India; Department of Agriculture and Allied Sciences (Zoology), C. V. Raman Global University, Bhubaneswar, 752054, Odisha, India
| | - Moureq Rashed Alotaibi
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Shankargouda Patil
- College of Dental Medicine, Roseman University of Health Sciences, South Jordan, UT, 84095, USA
| | - Birija Sankar Patro
- Chemical Biology Section, Bio-Organic Division, Bhabha Atomic Research Centre, Mumbai, 400085, India
| | - Gautam Sethi
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, 117600, Singapore
| | - Thomas Efferth
- Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, 55128, Mainz, Germany
| | - Sujit Kumar Bhutia
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Rourkela, 769008, Odisha, India.
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Hou X, Zhang H, Zhang E. A bibliometric and knowledge-map analysis of anoikis from 2003 to 2022. Apoptosis 2024; 29:457-459. [PMID: 38001344 DOI: 10.1007/s10495-023-01910-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/22/2023] [Indexed: 11/26/2023]
Abstract
This analysis covers 4494 anoikis-related publications (2003-2022). It explores annual trends, top countries, core journals, leading institutions, keywords, references, authors, and collaborations. Key findings include the United States leading in publications, Chulalongkorn University as the top institution, and Oncogene as the most prolific journal. The Journal of Biological Chemistry holds the highest influence. Burst keywords like "signal transduction," "apoptosis resistance," "metabolism," and "tumor microenvironment" highlight emerging research areas. This study offers a comprehensive overview, aiding researchers in grasping anoikis research trends, contributors, and prospects.
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Affiliation(s)
- Xueying Hou
- Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Hui Zhang
- Department of Urology, Shengjing Hospital of China Medical University, 36 Sanhao Street, Heping District, 110004, Shenyang, China
| | - Enchong Zhang
- Department of Urology, Shengjing Hospital of China Medical University, 36 Sanhao Street, Heping District, 110004, Shenyang, China.
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5
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Bovan D, Krajnović T, Vuković NL, Vukić MD, Mijatović S, Tanić N, Arsenijević N, Maksimović-Ivanić D. Anoikis and cancer cell differentiation: novel modes of shikonin derivatives anticancer action in vitro. Mol Biol Rep 2024; 51:218. [PMID: 38281240 DOI: 10.1007/s11033-023-09093-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 11/30/2023] [Indexed: 01/30/2024]
Abstract
BACKGROUND Shikonin is a naturally occurring naphthoquinone found in the roots of several genera of the Boraginaceae family, widely known for its numerous biological activities, such as antiinflammatory, antioxidant, antimicrobial and anticancer. In this study, the antitumor effect of six naphthoquinones isolated from the roots of Onosma visianii was evaluated using two cell lines, mouse melanoma B16 and highly aggressive rat glioma cell line C6. METHODS AND RESULTS All examined shikonins dose-dependently decreased the viability of tested cells, with compounds 5 and 6 being the most potent ones and hence subjected to further analysis. The diminished viability of B16 melanoma cells was in correlation with detected caspase-mediated apoptosis. Importantly, observed altered cell morphology along with the loss of dividing potential upon exposure to both shikonins implied reprogram of B16 cell phenotype. Elevated expression of myelin basic protein indicated the acquirement of Schwann-like cell phenotype, while detected autophagy might be connected to this phenomenon. On the contrary, upon exposure to both agents, C6 cells underwent specific cell death-anoikis, provoked by detachment from the extracellular matrix and compromised integrin signaling. Oppositely to compound 5, compound 6 realized anoikis in a caspase-independent manner and under sustained ERK1/2 activation, indicating the deviation from standard proanoikis signaling. CONCLUSIONS Herein, we have pointed out the diversity and novelty in the mode of action of shikonin derivatives depending on the tumor cell features, which represents a good platform for new investigations of these promising natural compounds.
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Affiliation(s)
- Dijana Bovan
- Department of Immunology, Institute for Biological Research "Siniša Stanković", National Institute of the Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11108, Belgrade, Serbia
| | - Tamara Krajnović
- Department of Immunology, Institute for Biological Research "Siniša Stanković", National Institute of the Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11108, Belgrade, Serbia
| | - Nenad L Vuković
- Department of Chemistry, Faculty of Science, University of Kragujevac, Radoja Domanovića 12, 34000, Kragujevac, Serbia
| | - Milena D Vukić
- Department of Chemistry, Faculty of Science, University of Kragujevac, Radoja Domanovića 12, 34000, Kragujevac, Serbia
| | - Sanja Mijatović
- Department of Immunology, Institute for Biological Research "Siniša Stanković", National Institute of the Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11108, Belgrade, Serbia
| | - Nikola Tanić
- Department of Neurobiology, Institute for Biological Research "Siniša Stanković", National Institute of the Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11108, Belgrade, Serbia
| | - Nebojša Arsenijević
- Center for Molecular Medicine and Stem Cell Research, Faculty of Medical Sciences, University of Kragujevac, Svetozara Markovića 69, 34000, Kragujevac, Serbia
| | - Danijela Maksimović-Ivanić
- Department of Immunology, Institute for Biological Research "Siniša Stanković", National Institute of the Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11108, Belgrade, Serbia.
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Fernández-Lázaro D, Sanz B, Seco-Calvo J. The Mechanisms of Regulated Cell Death: Structural and Functional Proteomic Pathways Induced or Inhibited by a Specific Protein-A Narrative Review. Proteomes 2024; 12:3. [PMID: 38250814 PMCID: PMC10801515 DOI: 10.3390/proteomes12010003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 12/30/2023] [Accepted: 01/03/2024] [Indexed: 01/23/2024] Open
Abstract
Billions of cells die in us every hour, and our tissues do not shrink because there is a natural regulation where Cell Death (CD) is balanced with cell division. The process in which cells eliminate themselves in a controlled manner is called Programmed Cell Death (PCD). The PCD plays an important role during embryonic development, in maintaining homeostasis of the body's tissues, and in the elimination of damaged cells, under a wide range of physiological and developmental stimuli. A multitude of protein mediators of PCD have been identified and signals have been found to utilize common pathways elucidating the proteins involved. This narrative review focuses on caspase-dependent and caspase-independent PCD pathways. Included are studies of caspase-dependent PCD such as Anoikis, Catastrophe Mitotic, Pyroptosis, Emperitosis, Parthanatos and Cornification, and Caspase-Independent PCD as Wallerian Degeneration, Ferroptosis, Paraptosis, Entosis, Methuosis, and Extracellular Trap Abnormal Condition (ETosis), as well as neutrophil extracellular trap abnormal condition (NETosis) and Eosinophil Extracellular Trap Abnormal Condition (EETosis). Understanding PCD from those reported in this review could shed substantial light on the processes of biological homeostasis. In addition, identifying specific proteins involved in these processes is mandatory to identify molecular biomarkers, as well as therapeutic targets. This knowledge could provide the ability to modulate the PCD response and could lead to new therapeutic interventions in a wide range of diseases.
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Affiliation(s)
- Diego Fernández-Lázaro
- Department of Cellular Biology, Genetics, Histology and Pharmacology, Faculty of Health Sciences, University of Valladolid, Campus of Soria, 42004 Soria, Spain
- Neurobiology Research Group, Faculty of Medicine, University of Valladolid, 47005 Valladolid, Spain
- SARCELLOMICS® Research Group, 27071 León, Spain
| | - Begoña Sanz
- SARCELLOMICS® Research Group, 27071 León, Spain
- Department of Physiology, University of the Basque Country (UPV/EHU), 48940 Leioa, Spain
- Biocruces Bizkaia Health Research Institute, 48903 Barakaldo, Spain
| | - Jesús Seco-Calvo
- SARCELLOMICS® Research Group, 27071 León, Spain
- Department of Physiology, University of the Basque Country (UPV/EHU), 48940 Leioa, Spain
- Institute of Biomedicine (IBIOMED), Universidad de León, 27071 León, Spain
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Kumar U. Somatostatin and Somatostatin Receptors in Tumour Biology. Int J Mol Sci 2023; 25:436. [PMID: 38203605 PMCID: PMC10779198 DOI: 10.3390/ijms25010436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 12/24/2023] [Accepted: 12/25/2023] [Indexed: 01/12/2024] Open
Abstract
Somatostatin (SST), a growth hormone inhibitory peptide, is expressed in endocrine and non-endocrine tissues, immune cells and the central nervous system (CNS). Post-release from secretory or immune cells, the first most appreciated role that SST exhibits is the antiproliferative effect in target tissue that served as a potential therapeutic intervention in various tumours of different origins. The SST-mediated in vivo and/or in vitro antiproliferative effect in the tumour is considered direct via activation of five different somatostatin receptor subtypes (SSTR1-5), which are well expressed in most tumours and often more than one receptor in a single cell. Second, the indirect effect is associated with the regulation of growth factors. SSTR subtypes are crucial in tumour diagnosis and prognosis. In this review, with the recent development of new SST analogues and receptor-specific agonists with emerging functional consequences of signaling pathways are promising therapeutic avenues in tumours of different origins that are discussed.
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Affiliation(s)
- Ujendra Kumar
- Faculty of Pharmaceutical Sciences, The University of British Columbia, Vancouver, BC V6T 1Z3, Canada
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He H, Yuan Y, Wu Y, Lu J, Yang X, Lu K, Liu A, Cao Z, Sun M, Yu M, Wang H. Exoskeleton Partial-Coated Stem Cells for Infarcted Myocardium Restoring. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2307169. [PMID: 37962473 DOI: 10.1002/adma.202307169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 10/30/2023] [Indexed: 11/15/2023]
Abstract
The integration of abiotic materials with live cells has emerged as an exciting strategy for the control of cellular functions. Exoskeletons consisting ofmetal-organic frameworks are generated to produce partial-coated bone marrow stem cells (BMSCs) to overcome low cell survival leading to disappointing effects for cell-based cardiac therapy. Partially coated exoskeletons can promote the survival of suspended BMSCs by integrating the support of exoskeletons and unimpaired cellular properties. In addition, partial exoskeletons exhibit protective effects against detrimental environmental conditions, including reactive oxygen species, pH changes, and osmotic pressure. The partial-coated cells exhibit increased intercellular adhesion forces to aggregate and adhere, promoting cell survival and preventing cell escape during cell therapy. The exoskeletons interact with cell surface receptors integrin α5β1, leading to augmented biological functions with profitable gene expression alteration, such as Vegfa, Cxcl12, and Adm. The partial-coated BMSCs display enhanced cell retention in infarcted myocardium through non-invasive intravenous injections. The repair of myocardial infarction has been achieved with improved cardiac function, myocardial angiogenesis, proliferation, and inhibition of cell apoptosis. This discovery advances the elucidation of potential molecular and cellular mechanisms for cell-exoskeleton interactions and benefits the rational design and manufacture of next-generation nanobiohybrids.
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Affiliation(s)
- Huihui He
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, 310000, China
| | - Yuan Yuan
- Zhejiang University-University of Edinburgh Institute, Zhejiang University School of Medicine, Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, Hangzhou, Zhejiang Province, 310058, China
| | - Yunhong Wu
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, 310000, China
| | - Jingyi Lu
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, 310000, China
| | - Xiaofu Yang
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, 310000, China
| | - Kejie Lu
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, 310000, China
| | - An Liu
- Department of Orthopaedic Surgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang Province, 310009, China
| | - Zelin Cao
- The First Clinical Medical College, Wenzhou Medical University, Wenzhou, Zhejiang Province, 325035, China
| | - Miao Sun
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, 310000, China
| | - Mengfei Yu
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, 310000, China
| | - Huiming Wang
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, 310000, China
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Hajibabaie F, Abedpoor N, Mohamadynejad P. Types of Cell Death from a Molecular Perspective. BIOLOGY 2023; 12:1426. [PMID: 37998025 PMCID: PMC10669395 DOI: 10.3390/biology12111426] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Revised: 11/01/2023] [Accepted: 11/02/2023] [Indexed: 11/25/2023]
Abstract
The former conventional belief was that cell death resulted from either apoptosis or necrosis; however, in recent years, different pathways through which a cell can undergo cell death have been discovered. Various types of cell death are distinguished by specific morphological alterations in the cell's structure, coupled with numerous biological activation processes. Various diseases, such as cancers, can occur due to the accumulation of damaged cells in the body caused by the dysregulation and failure of cell death. Thus, comprehending these cell death pathways is crucial for formulating effective therapeutic strategies. We focused on providing a comprehensive overview of the existing literature pertaining to various forms of cell death, encompassing apoptosis, anoikis, pyroptosis, NETosis, ferroptosis, autophagy, entosis, methuosis, paraptosis, mitoptosis, parthanatos, necroptosis, and necrosis.
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Affiliation(s)
- Fatemeh Hajibabaie
- Department of Biology, Faculty of Basic Sciences, Shahrekord Branch, Islamic Azad University, Shahrekord 88137-33395, Iran;
- Department of Physiology, Medicinal Plants Research Center, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan 81551-39998, Iran
- Biotechnology Research Center, Shahrekord Branch, Islamic Azad University, Shahrekord 88137-33395, Iran
| | - Navid Abedpoor
- Department of Physiology, Medicinal Plants Research Center, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan 81551-39998, Iran
- Department of Sports Physiology, Faculty of Sports Sciences, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan 81551-39998, Iran
| | - Parisa Mohamadynejad
- Department of Biology, Faculty of Basic Sciences, Shahrekord Branch, Islamic Azad University, Shahrekord 88137-33395, Iran;
- Biotechnology Research Center, Shahrekord Branch, Islamic Azad University, Shahrekord 88137-33395, Iran
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10
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Luján-Méndez F, Roldán-Padrón O, Castro-Ruíz JE, López-Martínez J, García-Gasca T. Capsaicinoids and Their Effects on Cancer: The "Double-Edged Sword" Postulate from the Molecular Scale. Cells 2023; 12:2573. [PMID: 37947651 PMCID: PMC10650825 DOI: 10.3390/cells12212573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 10/30/2023] [Accepted: 11/01/2023] [Indexed: 11/12/2023] Open
Abstract
Capsaicinoids are a unique chemical species resulting from a particular biosynthesis pathway of hot chilies (Capsicum spp.) that gives rise to 22 analogous compounds, all of which are TRPV1 agonists and, therefore, responsible for the pungency of Capsicum fruits. In addition to their human consumption, numerous ethnopharmacological uses of chili have emerged throughout history. Today, more than 25 years of basic research accredit a multifaceted bioactivity mainly to capsaicin, highlighting its antitumor properties mediated by cytotoxicity and immunological adjuvancy against at least 74 varieties of cancer, while non-cancer cells tend to have greater tolerance. However, despite the progress regarding the understanding of its mechanisms of action, the benefit and safety of capsaicinoids' pharmacological use remain subjects of discussion, since CAP also promotes epithelial-mesenchymal transition, in an ambivalence that has been referred to as "the double-edge sword". Here, we update the comparative discussion of relevant reports about capsaicinoids' bioactivity in a plethora of experimental models of cancer in terms of selectivity, efficacy, and safety. Through an integration of the underlying mechanisms, as well as inherent aspects of cancer biology, we propose mechanistic models regarding the dichotomy of their effects. Finally, we discuss a selection of in vivo evidence concerning capsaicinoids' immunomodulatory properties against cancer.
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Affiliation(s)
- Francisco Luján-Méndez
- Laboratorio de Biología Celular y Molecular, Facultad de Ciencias Naturales, Universidad Autónoma de Querétaro, Av. De las Ciencias s/n, Juriquilla, Querétaro 76230, Querétaro, Mexico; (F.L.-M.); (O.R.-P.); (J.L.-M.)
| | - Octavio Roldán-Padrón
- Laboratorio de Biología Celular y Molecular, Facultad de Ciencias Naturales, Universidad Autónoma de Querétaro, Av. De las Ciencias s/n, Juriquilla, Querétaro 76230, Querétaro, Mexico; (F.L.-M.); (O.R.-P.); (J.L.-M.)
| | - J. Eduardo Castro-Ruíz
- Escuela de Odontología, Facultad de Medicina, Universidad Autónoma de Querétaro, Querétaro 76176, Querétaro, Mexico;
| | - Josué López-Martínez
- Laboratorio de Biología Celular y Molecular, Facultad de Ciencias Naturales, Universidad Autónoma de Querétaro, Av. De las Ciencias s/n, Juriquilla, Querétaro 76230, Querétaro, Mexico; (F.L.-M.); (O.R.-P.); (J.L.-M.)
| | - Teresa García-Gasca
- Laboratorio de Biología Celular y Molecular, Facultad de Ciencias Naturales, Universidad Autónoma de Querétaro, Av. De las Ciencias s/n, Juriquilla, Querétaro 76230, Querétaro, Mexico; (F.L.-M.); (O.R.-P.); (J.L.-M.)
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11
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Affolter VK. Cytotoxic dermatitis: Review of the interface dermatitis pattern in veterinary skin diseases. Vet Pathol 2023; 60:770-782. [PMID: 37650259 DOI: 10.1177/03009858231195080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
Interface dermatitis or lichenoid interface dermatitis refers to a cutaneous inflammatory pattern in which keratinocyte cell death is the essential feature. These terms have evolved from the originally described lichenoid tissue reaction. These lesions are the basis for an important group of skin diseases in animals and people where cytotoxic T-cell-mediated epidermal damage is a major pathomechanism. Yet, for largely historical reasons these commonly used morphological diagnostic terms do not reflect the essential nature of the lesion. An emphasis on subsidiary lesions, such as the presence of a lichenoid band, and definitions based on anatomical features, such as location at the dermo-epidermal location, may cause confusion and even misdiagnosis. This review covers historical aspects of the terminology, including the origin of terms such as "lichenoid." The types of cell death involved and the histopathologic lesions are described. Etiopathogenesis is discussed in terms of aberrations of immune/inflammatory mechanisms focusing on cutaneous lupus erythematosus, erythema multiforme, and Stevens-Johnson syndrome/toxic epidermal necrolysis. Mechanisms have most extensively been studied in humans and laboratory animals and the discussion is centered on these species. As interface dermatitis is firmly entrenched in dermatological parlance, rather than using "cytotoxic" as its substitute, the terminologies "interface cytotoxic dermatitis" and "panepidermal cytotoxic dermatitis" are recommended, based on location and extent of epithelium affected.
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12
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Khan SU, Fatima K, Malik F, Kalkavan H, Wani A. Cancer metastasis: Molecular mechanisms and clinical perspectives. Pharmacol Ther 2023; 250:108522. [PMID: 37661054 DOI: 10.1016/j.pharmthera.2023.108522] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 08/22/2023] [Accepted: 08/29/2023] [Indexed: 09/05/2023]
Abstract
Metastatic progression combined with non-responsiveness towards systemic therapy often shapes the course of disease for cancer patients and commonly determines its lethal outcome. The complex molecular events that promote metastasis are a combination of both, the acquired pro-metastatic properties of cancer cells and a metastasis-permissive or -supportive tumor micro-environment (TME). Yet, dissemination is a challenging process for cancer cells that requires a series of events to enable cancer cell survival and growth. Metastatic cancer cells have to initially detach themselves from primary tumors, overcome the challenges of their intravasal journey and colonize distant sites that are suited for their metastases. The implicated obstacles including anoikis and immune surveillance, can be overcome by intricate intra- and extracellular signaling pathways, which we will summarize and discuss in this review. Further, emerging modulators of metastasis, like the immune-microenvironment, microbiome, sublethal cell death engagement, or the nervous system will be integrated into the existing working model of metastasis.
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Affiliation(s)
- Sameer Ullah Khan
- The University of Texas MD Anderson Cancer Center, Division of Genitourinary Medical Oncology, Holcombe Blvd, Houston, TX 77030, USA; Division of Cancer Pharmacology, CSIR-Indian Institute of Integrative Medicine, Jammu and Kashmir, India
| | - Kaneez Fatima
- Division of Cancer Pharmacology, CSIR-Indian Institute of Integrative Medicine, Jammu and Kashmir, India; Academy of Scientific and Innovative Research (ASIR), Ghaziabad 201002, India
| | - Fayaz Malik
- Division of Cancer Pharmacology, CSIR-Indian Institute of Integrative Medicine, Jammu and Kashmir, India; Academy of Scientific and Innovative Research (ASIR), Ghaziabad 201002, India.
| | - Halime Kalkavan
- Department of Medical Oncology, West German Cancer Center, University Hospital Essen, Essen, Germany; German Cancer Consortium (DKTK), Partner Site University Hospital Essen, Essen, Germany.
| | - Abubakar Wani
- St. Jude Children's Research Hospital, 262 Danny Thomas Pl, Memphis, TN 38105, United States.
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13
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Sakanyan V, Iradyan N, Alves de Sousa R. Targeted Strategies for Degradation of Key Transmembrane Proteins in Cancer. BIOTECH 2023; 12:57. [PMID: 37754201 PMCID: PMC10526213 DOI: 10.3390/biotech12030057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 07/26/2023] [Accepted: 07/30/2023] [Indexed: 09/28/2023] Open
Abstract
Targeted protein degradation is an attractive technology for cancer treatment due to its ability to overcome the unpredictability of the small molecule inhibitors that cause resistance mutations. In recent years, various targeted protein degradation strategies have been developed based on the ubiquitin-proteasome system in the cytoplasm or the autophagy-lysosomal system during endocytosis. In this review, we describe and compare technologies for the targeted inhibition and targeted degradation of the epidermal growth factor receptor (EGFR), one of the major proteins responsible for the onset and progression of many types of cancer. In addition, we develop an alternative strategy, called alloAUTO, based on the binding of new heterocyclic compounds to an allosteric site located in close proximity to the EGFR catalytic site. These compounds cause the targeted degradation of the transmembrane receptor, simultaneously activating both systems of protein degradation in cells. Damage to the EGFR signaling pathways promotes the inactivation of Bim sensor protein phosphorylation, which leads to the disintegration of the cytoskeleton, followed by the detachment of cancer cells from the extracellular matrix, and, ultimately, to cancer cell death. This hallmark of targeted cancer cell death suggests an advantage over other targeted protein degradation strategies, namely, the fewer cancer cells that survive mean fewer chemotherapy-resistant mutants appear.
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Affiliation(s)
- Vehary Sakanyan
- Faculté de Pharmacie, Université de Nantes, 44035 Nantes, France
- ProtNeteomix, 29 rue de Provence, 44700 Orvault, France
| | - Nina Iradyan
- Institute of Fine Organic Chemistry after A. Mnjoyan, National Academy of Sciences of the Republic of Armenia, Yerevan 0014, Armenia;
| | - Rodolphe Alves de Sousa
- Faculté des Sciences Fondamentales et Biomédicales, Université Paris Descartes, UMR 8601, CBMIT, 75006 Paris, France;
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14
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Dai Y, Zhang X, Ou Y, Zou L, Zhang D, Yang Q, Qin Y, Du X, Li W, Yuan Z, Xiao Z, Wen Q. Anoikis resistance--protagonists of breast cancer cells survive and metastasize after ECM detachment. Cell Commun Signal 2023; 21:190. [PMID: 37537585 PMCID: PMC10399053 DOI: 10.1186/s12964-023-01183-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 06/04/2023] [Indexed: 08/05/2023] Open
Abstract
Breast cancer exhibits the highest global incidence among all tumor types. Regardless of the type of breast cancer, metastasis is a crucial cause of poor prognosis. Anoikis, a form of apoptosis initiated by cell detachment from the native environment, is an outside-in process commencing with the disruption of cytosolic connectors such as integrin-ECM and cadherin-cell. This disruption subsequently leads to intracellular cytoskeletal and signaling pathway alterations, ultimately activating caspases and initiating programmed cell death. Development of an anoikis-resistant phenotype is a critical initial step in tumor metastasis. Breast cancer employs a series of stromal alterations to suppress anoikis in cancer cells. Comprehensive investigation of anoikis resistance mechanisms can inform strategies for preventing and regressing metastatic breast cancer. The present review first outlines the physiological mechanisms of anoikis, elucidating the alterations in signaling pathways, cytoskeleton, and protein targets that transpire from the outside in upon adhesion loss in normal breast cells. The specific anoikis resistance mechanisms induced by pathological changes in various spatial structures during breast cancer development are also discussed. Additionally, the genetic loci of targets altered in the development of anoikis resistance in breast cancer, are summarized. Finally, the micro-RNAs and targeted drugs reported in the literature concerning anoikis are compiled, with keratocin being the most functionally comprehensive. Video Abstract.
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Affiliation(s)
- Yalan Dai
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, China
- Department of Oncology, Garze Tibetan Autonomous Prefecture People's Hospital, Kangding, China
| | - Xinyi Zhang
- School of Biomedical Sciences, The Chinese University of Hong Kong, Shenzhen, China
| | - Yingjun Ou
- Clinical Medicine School, Southwest Medicial Univercity, Luzhou, China
- Orthopaedics, Garze Tibetan Autonomous Prefecture People's Hospital, Kangding, China
| | - Linglin Zou
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Duoli Zhang
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, China
| | - Qingfan Yang
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Yi Qin
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Xiuju Du
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Wei Li
- Southwest Medical University, Luzhou, China
| | | | - Zhangang Xiao
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, China.
| | - Qinglian Wen
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, China.
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15
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He J, Abikoye AM, McLaughlin BP, Middleton RS, Sheldon R, Jones RG, Schafer ZT. Reprogramming of iron metabolism confers ferroptosis resistance in ECM-detached cells. iScience 2023; 26:106827. [PMID: 37250802 PMCID: PMC10209538 DOI: 10.1016/j.isci.2023.106827] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 05/03/2023] [Accepted: 05/03/2023] [Indexed: 05/31/2023] Open
Abstract
Cancer cells often acquire resistance to cell death programs induced by loss of integrin-mediated attachment to extracellular matrix (ECM). Given that adaptation to ECM-detached conditions can facilitate tumor progression and metastasis, there is significant interest in effective elimination of ECM-detached cancer cells. Here, we find that ECM-detached cells are remarkably resistant to the induction of ferroptosis. Although alterations in membrane lipid content are observed during ECM detachment, it is instead fundamental changes in iron metabolism that underlie resistance of ECM-detached cells to ferroptosis. More specifically, our data demonstrate that levels of free iron are low during ECM detachment because of changes in both iron uptake and iron storage. In addition, we establish that lowering the levels of ferritin sensitizes ECM-detached cells to death by ferroptosis. Taken together, our data suggest that therapeutics designed to kill cancer cells by ferroptosis may be hindered by lack of efficacy toward ECM-detached cells.
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Affiliation(s)
- Jianping He
- Department of Biological Sciences, University of Notre Dame, Notre Dame, IN 46556, USA
- Boler-Parseghian Center for Rare & Neglected Diseases, University of Notre Dame, Notre Dame, IN 46556, USA
| | - Abigail M. Abikoye
- Department of Biological Sciences, University of Notre Dame, Notre Dame, IN 46556, USA
- Boler-Parseghian Center for Rare & Neglected Diseases, University of Notre Dame, Notre Dame, IN 46556, USA
| | - Brett P. McLaughlin
- Department of Biological Sciences, University of Notre Dame, Notre Dame, IN 46556, USA
- Boler-Parseghian Center for Rare & Neglected Diseases, University of Notre Dame, Notre Dame, IN 46556, USA
| | - Ryan S. Middleton
- Department of Biological Sciences, University of Notre Dame, Notre Dame, IN 46556, USA
- Boler-Parseghian Center for Rare & Neglected Diseases, University of Notre Dame, Notre Dame, IN 46556, USA
| | - Ryan Sheldon
- Metabolomics and Bioenergetics Core, Van Andel Institute, Grand Rapids, MI 49503, USA
| | - Russell G. Jones
- Department of Metabolism and Nutritional Programming, Van Andel Institute, Grand Rapids, MI 49503, USA
| | - Zachary T. Schafer
- Department of Biological Sciences, University of Notre Dame, Notre Dame, IN 46556, USA
- Boler-Parseghian Center for Rare & Neglected Diseases, University of Notre Dame, Notre Dame, IN 46556, USA
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16
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Liang J, Yu D, Luo C, Bennett C, Jedrychowski M, Gygi SP, Widlund HR, Puigserver P. Epigenetic suppression of PGC1α (PPARGC1A) causes collateral sensitivity to HMGCR-inhibitors within BRAF-treatment resistant melanomas. Nat Commun 2023; 14:3251. [PMID: 37277330 PMCID: PMC10241879 DOI: 10.1038/s41467-023-38968-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Accepted: 05/22/2023] [Indexed: 06/07/2023] Open
Abstract
While targeted treatment against BRAF(V600E) improve survival for melanoma patients, many will see their cancer recur. Here we provide data indicating that epigenetic suppression of PGC1α defines an aggressive subset of chronic BRAF-inhibitor treated melanomas. A metabolism-centered pharmacological screen further identifies statins (HMGCR inhibitors) as a collateral vulnerability within PGC1α-suppressed BRAF-inhibitor resistant melanomas. Lower PGC1α levels mechanistically causes reduced RAB6B and RAB27A expression, whereby their combined re-expression reverses statin vulnerability. BRAF-inhibitor resistant cells with reduced PGC1α have increased integrin-FAK signaling and improved extracellular matrix detached survival cues that helps explain their increased metastatic ability. Statin treatment blocks cell growth by lowering RAB6B and RAB27A prenylation that reduces their membrane association and affects integrin localization and downstream signaling required for growth. These results suggest that chronic adaptation to BRAF-targeted treatments drive novel collateral metabolic vulnerabilities, and that HMGCR inhibitors may offer a strategy to treat melanomas recurring with suppressed PGC1α expression.
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Affiliation(s)
- Jiaxin Liang
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Deyang Yu
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Chi Luo
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
- Parthenon Therapeutics, Boston, MA, 02135, USA
| | - Christopher Bennett
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
- Atavistik Bio, Cambridge, MA, 02139, USA
| | - Mark Jedrychowski
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Steve P Gygi
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Hans R Widlund
- Department of Dermatology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, USA.
| | - Pere Puigserver
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA.
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA.
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17
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Neuendorf HM, Simmons JL, Boyle GM. Therapeutic targeting of anoikis resistance in cutaneous melanoma metastasis. Front Cell Dev Biol 2023; 11:1183328. [PMID: 37181747 PMCID: PMC10169659 DOI: 10.3389/fcell.2023.1183328] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 04/14/2023] [Indexed: 05/16/2023] Open
Abstract
The acquisition of resistance to anoikis, the cell death induced by loss of adhesion to the extracellular matrix, is an absolute requirement for the survival of disseminating and circulating tumour cells (CTCs), and for the seeding of metastatic lesions. In melanoma, a range of intracellular signalling cascades have been identified as potential drivers of anoikis resistance, however a full understanding of the process is yet to be attained. Mechanisms of anoikis resistance pose an attractive target for the therapeutic treatment of disseminating and circulating melanoma cells. This review explores the range of small molecule, peptide and antibody inhibitors targeting molecules involved in anoikis resistance in melanoma, and may be repurposed to prevent metastatic melanoma prior to its initiation, potentially improving the prognosis for patients.
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Affiliation(s)
- Hannah M. Neuendorf
- Cancer Drug Mechanisms Group, QIMR Berghofer Medical Research Institute, Herston, QLD, Australia
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, QLD, Australia
| | - Jacinta L. Simmons
- Cancer Drug Mechanisms Group, QIMR Berghofer Medical Research Institute, Herston, QLD, Australia
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, QLD, Australia
- School of Biomedical Sciences, Faculty of Medicine, University of Queensland, Brisbane, QLD, Australia
| | - Glen M. Boyle
- Cancer Drug Mechanisms Group, QIMR Berghofer Medical Research Institute, Herston, QLD, Australia
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, QLD, Australia
- School of Biomedical Sciences, Faculty of Medicine, University of Queensland, Brisbane, QLD, Australia
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18
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Perurena N, Lock R, Davis RA, Raghavan S, Pilla NF, Ng R, Loi P, Guild CJ, Miller AL, Sicinska E, Cleary JM, Rubinson DA, Wolpin BM, Gray NS, Santagata S, Hahn WC, Morton JP, Sansom OJ, Aguirre AJ, Cichowski K. USP9X mediates an acute adaptive response to MAPK suppression in pancreatic cancer but creates multiple actionable therapeutic vulnerabilities. Cell Rep Med 2023; 4:101007. [PMID: 37030295 PMCID: PMC10140597 DOI: 10.1016/j.xcrm.2023.101007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 07/18/2022] [Accepted: 03/17/2023] [Indexed: 04/10/2023]
Abstract
Pancreatic ductal adenocarcinomas (PDACs) frequently harbor KRAS mutations. Although MEK inhibitors represent a plausible therapeutic option, most PDACs are innately resistant to these agents. Here, we identify a critical adaptive response that mediates resistance. Specifically, we show that MEK inhibitors upregulate the anti-apoptotic protein Mcl-1 by triggering an association with its deubiquitinase, USP9X, resulting in acute Mcl-1 stabilization and protection from apoptosis. Notably, these findings contrast the canonical positive regulation of Mcl-1 by RAS/ERK. We further show that Mcl-1 inhibitors and cyclin-dependent kinase (CDK) inhibitors, which suppress Mcl-1 transcription, prevent this protective response and induce tumor regression when combined with MEK inhibitors. Finally, we identify USP9X as an additional potential therapeutic target. Together, these studies (1) demonstrate that USP9X regulates a critical mechanism of resistance in PDAC, (2) reveal an unexpected mechanism of Mcl-1 regulation in response to RAS pathway suppression, and (3) provide multiple distinct promising therapeutic strategies for this deadly malignancy.
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Affiliation(s)
- Naiara Perurena
- Genetics Division, Brigham and Women's Hospital, Boston, MA 02115, USA; Department of Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA; Harvard Medical School, Boston, MA 02115, USA; Ludwig Center at Harvard, Boston, MA 02115, USA
| | - Rebecca Lock
- Genetics Division, Brigham and Women's Hospital, Boston, MA 02115, USA; Department of Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA; Harvard Medical School, Boston, MA 02115, USA
| | - Rachel A Davis
- Genetics Division, Brigham and Women's Hospital, Boston, MA 02115, USA; Department of Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA
| | - Srivatsan Raghavan
- Department of Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA; Harvard Medical School, Boston, MA 02115, USA; Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA; Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Natalie F Pilla
- Genetics Division, Brigham and Women's Hospital, Boston, MA 02115, USA; Department of Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA
| | - Raymond Ng
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA; Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Patrick Loi
- Genetics Division, Brigham and Women's Hospital, Boston, MA 02115, USA; Department of Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA; Harvard Medical School, Boston, MA 02115, USA
| | - Caroline J Guild
- Genetics Division, Brigham and Women's Hospital, Boston, MA 02115, USA; Department of Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA
| | - Abigail L Miller
- Genetics Division, Brigham and Women's Hospital, Boston, MA 02115, USA; Department of Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA; Harvard Medical School, Boston, MA 02115, USA
| | - Ewa Sicinska
- Department of Oncologic Pathology, Dana Farber Cancer Institute, Boston, MA 02115, USA
| | - James M Cleary
- Harvard Medical School, Boston, MA 02115, USA; Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Douglas A Rubinson
- Harvard Medical School, Boston, MA 02115, USA; Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Brian M Wolpin
- Harvard Medical School, Boston, MA 02115, USA; Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Nathanael S Gray
- Department of Chemical and Systems Biology, Chem-H and Stanford Cancer Institute, Stanford University, Stanford, CA 94305, USA
| | - Sandro Santagata
- Harvard Medical School, Boston, MA 02115, USA; Ludwig Center at Harvard, Boston, MA 02115, USA; Department of Pathology, Brigham and Women's Hospital, Boston, MA 02115, USA
| | - William C Hahn
- Department of Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA; Harvard Medical School, Boston, MA 02115, USA; Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA; Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Jennifer P Morton
- Cancer Research UK Beatson Institute, Switchback Road, Bearsden, Glasgow G61 1BD, UK; Institute of Cancer Sciences, University of Glasgow, Switchback Road, Glasgow G11 1QH, UK
| | - Owen J Sansom
- Cancer Research UK Beatson Institute, Switchback Road, Bearsden, Glasgow G61 1BD, UK; Institute of Cancer Sciences, University of Glasgow, Switchback Road, Glasgow G11 1QH, UK
| | - Andrew J Aguirre
- Department of Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA; Harvard Medical School, Boston, MA 02115, USA; Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA; Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Karen Cichowski
- Genetics Division, Brigham and Women's Hospital, Boston, MA 02115, USA; Department of Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA; Harvard Medical School, Boston, MA 02115, USA; Ludwig Center at Harvard, Boston, MA 02115, USA.
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19
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Sattari Fard F, Jalilzadeh N, Mehdizadeh A, Sajjadian F, Velaei K. Understanding and targeting anoikis in metastasis for cancer therapies. Cell Biol Int 2023; 47:683-698. [PMID: 36453448 DOI: 10.1002/cbin.11970] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Revised: 11/07/2022] [Accepted: 11/15/2022] [Indexed: 12/04/2022]
Abstract
The development of effective treatments for cancers requires investigations for a more detailed and comprehensive understanding of the basic cellular mechanisms involved in carcinogenesis, cancer progression, and metastasis. One of those driving mechanisms is anoikis, a special type of apoptosis, which is induced by losing anchorage from the extracellular matrix (ECM). In other words, resisting death in detached cells (cells without ECM) forms an anoikis-resistant phenotype. Since the anoikis-resistance state compensates for the initial steps of cancer metastasis, this review aimed to discuss mechanisms of gaining anoikis/anoikis resistance phenotype in tumor cells. Finally, we highlighted the significance of anoikis in malignancies so as to provide clear insight into cancer diagnosis and therapy development.
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Affiliation(s)
- Farzad Sattari Fard
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Anatomical Sciences, School of Medicine, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Nazila Jalilzadeh
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amir Mehdizadeh
- Hematology and Oncology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Fakhrosadat Sajjadian
- Department of Radiology, Faculty of Para-Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Kobra Velaei
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Anatomical Sciences, School of Medicine, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
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20
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Liu G, Xia Y, Wang H, Jin X, Chen S, Chen W, Zhang C, He Y. Downregulation of CYRI-B promotes migration, invasion and EMT by activating the Rac1-STAT3 pathway in gastric cancer. Exp Cell Res 2023; 423:113453. [PMID: 36584745 DOI: 10.1016/j.yexcr.2022.113453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 11/20/2022] [Accepted: 12/19/2022] [Indexed: 12/29/2022]
Abstract
BACKGROUND CYRI-B plays key roles in regulating cell motility in nontumor cells. However, the role and function of CYRI-B have rarely been studied in cancer cells, including gastric cancer. The purpose of this study was to investigate the clinical significance, biological function and underlying molecular mechanism of CYRI-B in gastric cancer. METHOD CYRI-B protein levels were detected by immunohistochemistry (IHC) and western blotting (WB). Gastric cancer cells and organoid models were evaluated to explore the correlation of CYRI-B with collagen type I. The function of CYRI-B in proliferation, migration, invasion in gastric cancer was evaluated by in vitro and in vivo experiments. RESULT CYRI-B protein levels were downregulated in gastric cancer. Low expression of CYRI-B was related to later tumor stage and poorer prognosis. CYRI-B expression was reduced when cells were cultured in collagen type I, which was mediated by collagen receptor DDR1. Knockdown of CYRI-B promoted migration, invasion and EMT in vivo and in vitro. Mechanistically, knockdown of CYRI-B activated the Rac1-STAT3 pathway. CONCLUSION Our findings showed that CYRI-B plays an important role in the tumor microenvironment, and is associated with malignant characteristics acquired by gastric cancer. This study may provide new targets for future therapeutic interventions for tumor metastasis.
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Affiliation(s)
- Guangyao Liu
- Digestive Diseases Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, No.628, Zhen yuan Road, Guang ming District, Shenzhen, 518107, China; Department of gastrointestinal surgery, Affiliated Yijishan Hospital, Wannan Medical College, Wuhu, 241000, China
| | - Yujian Xia
- Digestive Diseases Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, No.628, Zhen yuan Road, Guang ming District, Shenzhen, 518107, China; Department of General Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215000, China
| | - Huijin Wang
- Digestive Diseases Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, No.628, Zhen yuan Road, Guang ming District, Shenzhen, 518107, China
| | - Xinghan Jin
- Digestive Diseases Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, No.628, Zhen yuan Road, Guang ming District, Shenzhen, 518107, China
| | - Songyao Chen
- Digestive Diseases Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, No.628, Zhen yuan Road, Guang ming District, Shenzhen, 518107, China
| | - Wei Chen
- Digestive Diseases Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, No.628, Zhen yuan Road, Guang ming District, Shenzhen, 518107, China.
| | - Changhua Zhang
- Digestive Diseases Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, No.628, Zhen yuan Road, Guang ming District, Shenzhen, 518107, China.
| | - Yulong He
- Digestive Diseases Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, No.628, Zhen yuan Road, Guang ming District, Shenzhen, 518107, China; Department of Gastrointestinal Surgery, The First Affiliated Hospital of Sun Yat-Sen University, 58 Zhongshan 2nd Road, Guangzhou, Guangdong, 510080, China.
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21
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Linzer RW, Guida DL, Aminov J, Snider JM, Khalife G, Buyukbayraktar AB, Alhaddad C, Resnick AE, Wang P, Pan CH, Allopenna JJ, Clarke CJ. Dihydroceramide desaturase 1 (DES1) promotes anchorage-independent survival downstream of HER2-driven glucose uptake and metabolism. FASEB J 2022; 36:e22558. [PMID: 36165222 PMCID: PMC9597949 DOI: 10.1096/fj.202200748r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 08/03/2022] [Accepted: 09/07/2022] [Indexed: 11/11/2022]
Abstract
Oncogenic reprogramming of cellular metabolism is a hallmark of many cancers, but our mechanistic understanding of how such dysregulation is linked to tumor behavior remains poor. In this study, we have identified dihydroceramide desaturase (DES1)-which catalyzes the last step in de novo sphingolipid synthesis-as necessary for the acquisition of anchorage-independent survival (AIS), a key cancer enabling biology, and establish DES1 as a downstream effector of HER2-driven glucose uptake and metabolism. We further show that DES1 is sufficient to drive AIS and in vitro tumorigenicity and that increased DES1 levels-found in a third of HER2+ breast cancers-are associated with worse survival outcomes. Taken together, our findings reveal a novel pro-tumor role for DES1 as a transducer of HER2-driven glucose metabolic signals and provide evidence that targeting DES1 is an effective approach for overcoming AIS. Results further suggest that DES1 may have utility as a biomarker of aggressive and metastasis-prone HER2+ breast cancer.
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Affiliation(s)
- Ryan W Linzer
- Department of Medicine and the Cancer Center, Stony Brook University, Stony Brook, NY, USA
| | - Danielle L Guida
- Department of Medicine and the Cancer Center, Stony Brook University, Stony Brook, NY, USA
| | - Jonathan Aminov
- Department of Medicine and the Cancer Center, Stony Brook University, Stony Brook, NY, USA
| | - Justin M Snider
- Department of Medicine and the Cancer Center, Stony Brook University, Stony Brook, NY, USA
| | - Gabrielle Khalife
- Department of Medicine and the Cancer Center, Stony Brook University, Stony Brook, NY, USA
| | - A Burak Buyukbayraktar
- Department of Medicine and the Cancer Center, Stony Brook University, Stony Brook, NY, USA
| | - Charbel Alhaddad
- Department of Medicine and the Cancer Center, Stony Brook University, Stony Brook, NY, USA
| | - Andrew E Resnick
- Department of Medicine and the Cancer Center, Stony Brook University, Stony Brook, NY, USA
| | - Pule Wang
- Department of Medicine and the Cancer Center, Stony Brook University, Stony Brook, NY, USA
| | - Chun-Hao Pan
- Department of Medicine and the Cancer Center, Stony Brook University, Stony Brook, NY, USA
| | - Janet J Allopenna
- Department of Medicine and the Cancer Center, Stony Brook University, Stony Brook, NY, USA
| | - Christopher J Clarke
- Department of Medicine and the Cancer Center, Stony Brook University, Stony Brook, NY, USA
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22
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Wang J, Luo Z, Lin L, Sui X, Yu L, Xu C, Zhang R, Zhao Z, Zhu Q, An B, Wang Q, Chen B, Leung ELH, Wu Q. Anoikis-Associated Lung Cancer Metastasis: Mechanisms and Therapies. Cancers (Basel) 2022; 14:cancers14194791. [PMID: 36230714 PMCID: PMC9564242 DOI: 10.3390/cancers14194791] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 09/25/2022] [Accepted: 09/27/2022] [Indexed: 12/08/2022] Open
Abstract
Simple Summary Anoikis is a programmed cell death process resulting from the loss of interaction between cells and the extracellular matrix. Therefore, it is necessary to overcome anoikis when tumor cells acquire metastatic potential. In lung cancer, the composition of the extracellular matrix, cell adhesion-related membrane proteins, cytoskeletal regulators, and epithelial–mesenchymal transition are involved in the process of anoikis, and the initiation of apoptosis signals is a critical step in anoikis. Inversely, activation of growth signals counteracts anoikis. This review summarizes the regulators of lung cancer-related anoikis and explores potential drug applications targeting anoikis. Abstract Tumor metastasis occurs in lung cancer, resulting in tumor progression and therapy failure. Anoikis is a mechanism of apoptosis that combats tumor metastasis; it inhibits the escape of tumor cells from the native extracellular matrix to other organs. Deciphering the regulators and mechanisms of anoikis in cancer metastasis is urgently needed to treat lung cancer. Several natural and synthetic products exhibit the pro-anoikis potential in lung cancer cells and in vivo models. These products include artonin E, imperatorin, oroxylin A, lupalbigenin, sulforaphane, renieramycin M, avicequinone B, and carbenoxolone. This review summarizes the current understanding of the molecular mechanisms of anoikis regulation and relevant regulators involved in lung cancer metastasis and discusses the therapeutic potential of targeting anoikis in the treatment of lung cancer metastasis.
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Affiliation(s)
- Jing Wang
- State Key Laboratory of Quality Research in Chinese Medicines, Faculty of Chinese Medicine, Macau University of Science and Technology, Macau 999078, China
- Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130117, China
| | - Zhijie Luo
- The First Clinical Medical College, The First Hospital Affiliated, Guangzhou University of Chinese Medicine, Guangzhou 510405, China
| | - Lizhu Lin
- The First Clinical Medical College, The First Hospital Affiliated, Guangzhou University of Chinese Medicine, Guangzhou 510405, China
| | - Xinbing Sui
- School of Pharmacy, Department of Medical Oncology, Hangzhou Normal University, Hangzhou 311121, China
| | - Lili Yu
- State Key Laboratory of Quality Research in Chinese Medicines, Faculty of Chinese Medicine, Macau University of Science and Technology, Macau 999078, China
| | - Cong Xu
- State Key Laboratory of Quality Research in Chinese Medicines, Faculty of Chinese Medicine, Macau University of Science and Technology, Macau 999078, China
| | - Ruonan Zhang
- State Key Laboratory of Quality Research in Chinese Medicines, Faculty of Chinese Medicine, Macau University of Science and Technology, Macau 999078, China
| | - Ziming Zhao
- State Key Laboratory of Quality Research in Chinese Medicines, Faculty of Chinese Medicine, Macau University of Science and Technology, Macau 999078, China
| | - Qianru Zhu
- State Key Laboratory of Quality Research in Chinese Medicines, Faculty of Chinese Medicine, Macau University of Science and Technology, Macau 999078, China
| | - Bo An
- State Key Laboratory of Quality Research in Chinese Medicines, Faculty of Chinese Medicine, Macau University of Science and Technology, Macau 999078, China
| | - Qiao Wang
- State Key Laboratory of Quality Research in Chinese Medicines, Faculty of Chinese Medicine, Macau University of Science and Technology, Macau 999078, China
| | - Bi Chen
- State Key Laboratory of Quality Research in Chinese Medicines, Faculty of Chinese Medicine, Macau University of Science and Technology, Macau 999078, China
| | - Elaine Lai-Han Leung
- Cancer Center, Faculty of Health Science, MOE Frontiers Science Center for Precision Oncology, University of Macau, Macau 999078, China
- Correspondence: (E.L.-H.L.); (Q.W.)
| | - Qibiao Wu
- State Key Laboratory of Quality Research in Chinese Medicines, Faculty of Chinese Medicine, Macau University of Science and Technology, Macau 999078, China
- Guangdong-Hong Kong-Macao Joint Laboratory for Contaminants Exposure and Health, Guangdong University of Technology, Guangzhou 510006, China
- Zhuhai MUST Science and Technology Research Institute, Zhuhai 519031, China
- Correspondence: (E.L.-H.L.); (Q.W.)
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23
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Chi H, Jiang P, Xu K, Zhao Y, Song B, Peng G, He B, Liu X, Xia Z, Tian G. A novel anoikis-related gene signature predicts prognosis in patients with head and neck squamous cell carcinoma and reveals immune infiltration. Front Genet 2022; 13:984273. [PMID: 36092898 PMCID: PMC9459093 DOI: 10.3389/fgene.2022.984273] [Citation(s) in RCA: 67] [Impact Index Per Article: 33.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 07/28/2022] [Indexed: 11/13/2022] Open
Abstract
Background: Head and neck squamous cell carcinoma (HNSCC) is a highly aggressive disease with a poor prognosis for advanced tumors. Anoikis play a key role in cancer metastasis, facilitating the detachment and survival of cancer cells from the primary tumor site. However, few studies have focused on the role of anoikis in HNSC, especially on the prognosis.Methods: Anoikis-related genes (ANRGs) integrated from Genecards and Harmonizome portals were used to identify HNSCC subtypes and to construct a prognostic model for HNSCC patients. Also, we explored the immune microenvironment and enrichment pathways between different subtypes. Finally, we provide clinical experts with a novel nomogram based on ANRGs, with DCA curves indicating the potential clinical benefit of the model for clinical strategies.Results: We identified 69 survival-related HNSCC anoikis-related DEGs, from which 7 genes were selected to construct prognostic models. The prognostic risk score was identified as an independent prognostic factor. Functional analysis showed that these high and low risk groups had different immune status and drug sensitivity. Next risk scores were combined with HNSCC clinicopathological features together to construct a nomogram, and DCA analysis showed that the model could benefit patients from clinical treatment strategies.Conclusion: The predictive seven-gene signature and nomogram established in this study can assist clinicians in selecting personalized treatment for patients with HNSCC.
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Affiliation(s)
- Hao Chi
- Clinical Medical College, Southwest Medical University, Luzhou, China
| | - Puyu Jiang
- Department of Otorhinolaryngology-Head and Neck Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ke Xu
- Department of Oncology, Chongqing General Hospital, Chongqing, China
| | - Yue Zhao
- Department of Breast Surgery, The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou, China
- Department of General, Visceral, and Transplant Surgery, Ludwig-Maximilians-University Munich, Munich, Germany
| | - Bingyu Song
- Department of Plastic Surgery, Xijing Hospital, Fourth Military Medical University, Xi’an, China
| | - Gaoge Peng
- Clinical Medical College, Southwest Medical University, Luzhou, China
| | - Bingsheng He
- Clinical Medical College, Southwest Medical University, Luzhou, China
| | - Xin Liu
- Clinical Medical College, Southwest Medical University, Luzhou, China
| | - Zhijia Xia
- Department of General, Visceral, and Transplant Surgery, Ludwig-Maximilians-University Munich, Munich, Germany
- *Correspondence: Zhijia Xia, ; Gang Tian,
| | - Gang Tian
- Department of Laboratory Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, China
- *Correspondence: Zhijia Xia, ; Gang Tian,
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24
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Zhu Z, Fang C, Xu H, Yuan L, Du Y, Ni Y, Xu Y, Shao A, Zhang A, Lou M. Anoikis resistance in diffuse glioma: The potential therapeutic targets in the future. Front Oncol 2022; 12:976557. [PMID: 36046036 PMCID: PMC9423707 DOI: 10.3389/fonc.2022.976557] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 07/25/2022] [Indexed: 11/28/2022] Open
Abstract
Glioma is the most common malignant intracranial tumor and exhibits diffuse metastasis and a high recurrence rate. The invasive property of glioma results from cell detachment. Anoikis is a special form of apoptosis that is activated upon cell detachment. Resistance to anoikis has proven to be a protumor factor. Therefore, it is suggested that anoikis resistance commonly occurs in glioma and promotes diffuse invasion. Several factors, such as integrin, E-cadherin, EGFR, IGFR, Trk, TGF-β, the Hippo pathway, NF-κB, eEF-2 kinase, MOB2, hypoxia, acidosis, ROS, Hsp and protective autophagy, have been shown to induce anoikis resistance in glioma. In our present review, we aim to summarize the underlying mechanism of resistance and the therapeutic potential of these molecules.
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Affiliation(s)
- Zhengyang Zhu
- Department of Neurosurgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chaoyou Fang
- Department of Neurosurgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Houshi Xu
- Department of Neurosurgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ling Yuan
- Department of Neurosurgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yichao Du
- Department of Neurosurgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yunjia Ni
- Department of Neurosurgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yuanzhi Xu
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China
| | - Anwen Shao
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
- Department of Neurosurgery, Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China
| | - Anke Zhang
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
- Department of Neurosurgery, Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China
| | - Meiqing Lou
- Department of Neurosurgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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25
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Liu X, Chipurupalli S, Jiang P, Tavasoli M, Yoo BH, McPhee M, Mazinani S, Francia G, Kerbel RS, Rosen KV. ErbB2/Her2-dependent downregulation of a cell death-promoting protein BLNK in breast cancer cells is required for 3D breast tumor growth. Cell Death Dis 2022; 13:687. [PMID: 35933456 PMCID: PMC9357009 DOI: 10.1038/s41419-022-05117-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 07/15/2022] [Accepted: 07/19/2022] [Indexed: 01/21/2023]
Abstract
A significant proportion of breast cancers are driven by ErbB2/Her2 oncoprotein that they overexpress. These malignancies are typically treated with various ErbB2-targeted drugs, but many such cancers develop resistance to these agents and become incurable. Conceivably, treatment of ErbB2-positive cancers could be facilitated by use of agents blocking oncogenic signaling mechanisms downstream of ErbB2. However, current understanding of these mechanisms is limited. The ability of solid tumor cells to resist anoikis, cell death triggered by cell detachment from the extracellular matrix (ECM), is thought to be critical for 3D tumor growth. In an effort to understand the mechanisms of ErbB2-driven breast cancer cell anoikis resistance we found that detachment of non-malignant breast epithelial cells from the ECM upregulates a cell death-promoting tumor suppressor adapter protein BLNK and that ErbB2 blocks this upregulation by reducing tumor cell levels of transcription factor IRF6. We further observed that trastuzumab, a therapeutic anti-ErbB2 antibody, upregulates BLNK in human trastuzumab-sensitive but not trastuzumab-resistant ErbB2-positive breast cancer cells. Moreover, we established that BLNK promotes anoikis by activating p38 MAP kinase and that ErbB2-dependent BLNK downregulation blocks breast cancer cell anoikis. In search for pharmacological approaches allowing to upregulate BLNK in tumor cells we found that clinically approved proteasome inhibitor bortezomib upregulates IRF6 and BLNK in human breast cancer cells and inhibits their 3D growth in a BLNK-dependent manner. In addition, we found that BLNK upregulation in human ErbB2-positive breast cancer cells blocks their ability to form tumors in mice. Furthermore, we used publicly available data on mRNA levels in multiple breast cancers to demonstrate that increased BLNK mRNA levels correlate with increased relapse-free survival in a cohort of approximately 400 patients with ErbB2-positive breast cancer. In summary, we discovered a novel mechanism of ErbB2-driven 3D breast tumor growth mediated by ErbB2-dependent BLNK downregulation.
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Affiliation(s)
- Xiaoyang Liu
- grid.55602.340000 0004 1936 8200Departments of Pediatrics & Biochemistry and Molecular Biology, Dalhousie University, Halifax, NS Canada
| | - Sandhya Chipurupalli
- grid.55602.340000 0004 1936 8200Departments of Pediatrics & Biochemistry and Molecular Biology, Dalhousie University, Halifax, NS Canada
| | - Peijia Jiang
- grid.55602.340000 0004 1936 8200Departments of Pediatrics & Biochemistry and Molecular Biology, Dalhousie University, Halifax, NS Canada
| | - Mahtab Tavasoli
- grid.55602.340000 0004 1936 8200Department of Pharmacology, Department of Pediatrics, Dalhousie University, Halifax, NS Canada
| | - Byong Hoon Yoo
- grid.55602.340000 0004 1936 8200Departments of Pediatrics & Biochemistry and Molecular Biology, Dalhousie University, Halifax, NS Canada
| | - Michael McPhee
- grid.55602.340000 0004 1936 8200Departments of Pediatrics & Biochemistry and Molecular Biology, Dalhousie University, Halifax, NS Canada
| | - Sina Mazinani
- grid.55602.340000 0004 1936 8200Departments of Pediatrics & Biochemistry and Molecular Biology, Dalhousie University, Halifax, NS Canada
| | - Giulio Francia
- grid.267324.60000 0001 0668 0420Border Biomedical Research Center, University of Texas at El Paso (UTEP), El Paso, TX USA
| | - Robert S. Kerbel
- grid.17063.330000 0001 2157 2938Biological Sciences Platform, Sunnybrook Research Institute, Toronto, ON Canada ,grid.17063.330000 0001 2157 2938University of Toronto Department of Medical Biophysics, Toronto, ON Canada
| | - Kirill V. Rosen
- grid.55602.340000 0004 1936 8200Departments of Pediatrics & Biochemistry and Molecular Biology, Dalhousie University, Halifax, NS Canada
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26
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Hsu YJ, Yin YJ, Tsai KF, Jian CC, Liang ZW, Hsu CY, Wang CC. TGFBR3 supports anoikis through suppressing ATF4 signaling. J Cell Sci 2022; 135:276173. [PMID: 35912788 DOI: 10.1242/jcs.258396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Accepted: 07/18/2022] [Indexed: 11/20/2022] Open
Abstract
Epithelial morphogenesis and oncogenic transformation can cause loss of cell adhesion, and detached cells are eliminated by anoikis. Here, we reveal that transforming growth factor beta receptor 3 (TGFBR3) acts as an anoikis mediator through the coordination of activating transcription factor 4 (ATF4). In breast cancer, TGFBR3 is progressively lost, but elevated TGFBR3 is associated with a histologic subtype characterized by cellular adhesion defects. Dissecting the impact of extracellular matrix (ECM) deprivation, we demonstrate that ECM loss promotes TGFBR3 expression, which in turn differentiates cell aggregates to a prosurvival phenotype and drives the intrinsic apoptotic pathway. We demonstrate that inhibition of TGFBR3 impairs epithelial anoikis by activating ATF4 signaling. These preclinical findings provide a rationale for therapeutic inhibition of ATF4 in the subgroup of breast cancer patients with low TGFBR3 expression.
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Affiliation(s)
- Yu-Jhen Hsu
- Institute of Molecular Medicine, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Yih-Jia Yin
- Institute of Molecular Medicine, National Tsing Hua University, Hsinchu, 30013, Taiwan.,Department of Medical Science, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Kai-Feng Tsai
- Institute of Molecular Medicine, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Cian-Chun Jian
- Institute of Molecular Medicine, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Zi-Wen Liang
- Institute of Molecular Medicine, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Chien-Yu Hsu
- Institute of Molecular Medicine, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Chun-Chao Wang
- Institute of Molecular Medicine, National Tsing Hua University, Hsinchu, 30013, Taiwan.,Department of Medical Science, National Tsing Hua University, Hsinchu, 30013, Taiwan
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27
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Valencia-Expósito A, Gómez-Lamarca MJ, Widmann TJ, Martín-Bermudo MD. Integrins Cooperate With the EGFR/Ras Pathway to Preserve Epithelia Survival and Architecture in Development and Oncogenesis. Front Cell Dev Biol 2022; 10:892691. [PMID: 35769262 PMCID: PMC9234701 DOI: 10.3389/fcell.2022.892691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Accepted: 05/09/2022] [Indexed: 11/13/2022] Open
Abstract
Adhesion to the extracellular matrix (ECM) is required for normal epithelial cell survival. Disruption of this interaction leads to a specific type of apoptosis known as anoikis. Yet, there are physiological and pathological situations in which cells not connected to the ECM are protected from anoikis, such as during cell migration or metastasis. The main receptors transmitting signals from the ECM are members of the integrin family. However, although integrin-mediated cell-ECM anchorage has been long recognized as crucial for epithelial cell survival, the in vivo significance of this interaction remains to be weighed. In this work, we have used the Drosophila wing imaginal disc epithelium to analyze the importance of integrins as survival factors during epithelia morphogenesis. We show that reducing integrin expression in the wing disc induces caspase-dependent cell death and basal extrusion of the dead cells. In this case, anoikis is mediated by the activation of the JNK pathway, which in turn triggers expression of the proapoptotic protein Hid. In addition, our results strongly suggest that, during wing disc morphogenesis, the EGFR pathway protects cells undergoing cell shape changes upon ECM detachment from anoikis. Furthermore, we show that oncogenic activation of the EGFR/Ras pathway in integrin mutant cells rescues them from apoptosis while promoting their extrusion from the epithelium. Altogether, our results support the idea that integrins promote cell survival during normal tissue morphogenesis and prevent the extrusion of transformed cells.
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Affiliation(s)
| | - M. Jesús Gómez-Lamarca
- Centro Andaluz de Biología del Desarrollo CSIC-Universidad Pablo de Olavide, Sevilla, Spain
- Departamento de Biología Celular, Universidad de Sevilla, Sevilla, Spain
| | | | - María D. Martín-Bermudo
- Centro Andaluz de Biología del Desarrollo CSIC-Universidad Pablo de Olavide, Sevilla, Spain
- *Correspondence: María D. Martín-Bermudo,
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28
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Dissecting extracellular and intracellular distribution of nanoparticles and their contribution to therapeutic response by monochromatic ratiometric imaging. Nat Commun 2022; 13:2004. [PMID: 35422063 PMCID: PMC9010411 DOI: 10.1038/s41467-022-29679-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 03/21/2022] [Indexed: 12/16/2022] Open
Abstract
Efficient delivery of payload to intracellular targets has been identified as the central principle for nanomedicine development, while the extracellular targets are equally important for cancer treatment. Notably, the contribution of extracellularly distributed nanoparticles to therapeutic outcome is far from being understood. Herein, we develop a pH/light dual-responsive monochromatic ratiometric imaging nanoparticle (MRIN), which functions through sequentially lighting up the intracellular and extracellular fluorescence signals by acidic endocytic pH and near-infrared light. Enabled by MRIN nanotechnology, we accurately quantify the extracellular and intracellular distribution of nanoparticles in several tumor models, which account for 65–80% and 20–35% of total tumor exposure, respectively. Given that the majority of nanoparticles are trapped in extracellular regions, we successfully dissect the contribution of extracellularly distributed nanophotosensitizer to therapeutic efficacy, thereby maximize the treatment outcome. Our study provides key strategies to precisely quantify nanocarrier microdistribtion and engineer multifunctional nanomedicines for efficient theranostics. Detailed quantification of nanoparticle distribution in tumor tissues can provide the prediction of drug delivery efficacy and therapeutic outcome. Here the authors develop a pH/light dual responsive monochromatic ratiometric-imaging nanoparticle which can quantify extracellular and intracellular nanoparticle distribution in several tumor models.
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Juárez-Cruz JC, Okoniewski M, Ramírez M, Ortuño-Pineda C, Navarro-Tito N, Castañeda-Saucedo E. Chronic Leptin Treatment Induces Epithelial-Mesenchymal Transition in MCF10A Mammary Epithelial Cells. J Mammary Gland Biol Neoplasia 2022; 27:19-36. [PMID: 35195812 DOI: 10.1007/s10911-022-09515-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Accepted: 02/08/2022] [Indexed: 01/06/2023] Open
Abstract
Leptin is a cytokine-like hormone that functions as a link between obesity and breast cancer (BC). Leptin treatment induces Epithelial to Mesenchymal Transition (EMT) in BC cell lines. In non-tumoral breast epithelial MCF10A cells, acute leptin treatment induces partial EMT. However, the effect of chronic leptin treatment on EMT in non-tumorigenic breast cells has not been fully explored. This study aimed to evaluate the effect of chronic leptin treatment on the induction of EMT in MCF10A cells. We found that chronic leptin treatment induces a switch from an epithelial to a mesenchymal morphology, partial loss of E-cadherin and gain of vimentin expression. Immunolocalization experiments showed a partial loss of E-cadherin at cell junctions and increased cytoplasmic localization of vimentin in leptin-treated cells. Moreover, chronic leptin treatment increased collective cell migration and invasion. Furthermore, when cultured in non-adherent conditions leptin treated cells exhibited reduced cell aggregation, increased survival, and decreased apoptosis, which correlates with increased FAK and AKT phosphorylation. Finally, bioinformatic analysis in two publicly available RNAseq datasets from normal breast tissue shows that high levels of leptin mRNA correlate positively with the expression of mesenchymal markers, and negatively with epithelial markers. Thus, our results demonstrate that chronic leptin treatment induces EMT in non-tumorigenic MCF10A cells and suggest that high leptin expression in normal breast tissue may induce EMT and contribute to increased risk of breast cancer.
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Affiliation(s)
- Juan Carlos Juárez-Cruz
- Laboratorio de Biología Celular del Cáncer. Facultad de Ciencias Químico-Biológicas, Universidad Autónoma de Guerrero. Av. Lázaro Cárdenas S/N Ciudad Universitaria. C.P, 39087, Chilpancingo de los Bravo, Guerrero, México
| | | | - Mónica Ramírez
- CONACYT, Universidad Autónoma de Guerrero, Chilpancingo de los Bravo, Guerrero, México
| | - Carlos Ortuño-Pineda
- Laboratorio de Ácidos Nucleicos y Proteínas. Facultad de Ciencias Químico-Biológicas, Universidad Autónoma de Guerrero, Chilpancingo de los Bravo, Guerrero, México
| | - Napoleón Navarro-Tito
- Laboratorio de Biología Celular del Cáncer. Facultad de Ciencias Químico-Biológicas, Universidad Autónoma de Guerrero. Av. Lázaro Cárdenas S/N Ciudad Universitaria. C.P, 39087, Chilpancingo de los Bravo, Guerrero, México
| | - Eduardo Castañeda-Saucedo
- Laboratorio de Biología Celular del Cáncer. Facultad de Ciencias Químico-Biológicas, Universidad Autónoma de Guerrero. Av. Lázaro Cárdenas S/N Ciudad Universitaria. C.P, 39087, Chilpancingo de los Bravo, Guerrero, México.
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30
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Habib EB, Mathavarajah S, Dellaire G. Tinker, Tailor, Tumour Suppressor: The Many Functions of PRP4K. Front Genet 2022; 13:839963. [PMID: 35281802 PMCID: PMC8912934 DOI: 10.3389/fgene.2022.839963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 01/28/2022] [Indexed: 11/13/2022] Open
Abstract
Pre-mRNA processing factor 4 kinase (PRP4K, also known as PRPF4B) is an essential kinase first identified in the fission yeast Schizosaccharomyces pombe that is evolutionarily conserved from amoebae to animals. During spliceosomal assembly, PRP4K interacts with and phosphorylates PRPF6 and PRPF31 to facilitate the formation of the spliceosome B complex. However, over the past decade additional evidence has emerged that PRP4K has many diverse cellular roles beyond splicing that contribute to tumour suppression and chemotherapeutic responses in mammals. For example, PRP4K appears to play roles in regulating transcription and the spindle assembly checkpoint (SAC), a key pathway in maintaining chromosomes stability and the response of cancer cells to taxane-based chemotherapy. In addition, PRP4K has been revealed to be a haploinsufficient tumour suppressor that promotes aggressive cancer phenotypes when partially depleted. PRP4K is regulated by both the HER2 and estrogen receptor, and its partial loss increases resistance to the taxanes in multiple malignancies including cervical, breast and ovarian cancer. Moreover, ovarian and triple negative breast cancer patients harboring tumours with low PRP4K expression exhibit worse overall survival. The depletion of PRP4K also enhances both Yap and epidermal growth factor receptor (EGFR) signaling, the latter promoting anoikis resistance in breast and ovarian cancer. Finally, PRP4K is negatively regulated during epithelial-to-mesenchymal transition (EMT), a process that promotes increased cell motility, drug resistance and cancer metastasis. Thus, as we discuss in this review, PRP4K likely plays evolutionarily conserved roles not only in splicing but in a number of cellular pathways that together contribute to tumour suppression.
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Affiliation(s)
- Elias B. Habib
- Dalhousie University, Department of Pathology, Halifax, NS, Canada
| | | | - Graham Dellaire
- Dalhousie University, Department of Pathology, Halifax, NS, Canada
- Department of Biochemistry and Molecular Biology, Dalhousie University, Halifax, NS, Canada
- Beatrice Hunter Cancer Research Institute, Halifax, NS, Canada
- *Correspondence: Graham Dellaire,
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31
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Non-canonical phosphorylation of Bmf by p38 MAPK promotes its apoptotic activity in anoikis. Cell Death Differ 2022; 29:323-336. [PMID: 34462553 PMCID: PMC8817011 DOI: 10.1038/s41418-021-00855-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 08/16/2021] [Accepted: 08/18/2021] [Indexed: 02/03/2023] Open
Abstract
Bmf contributes to the onset of anoikis by translocating from cytoskeleton to mitochondria when cells lose attachment to the extracellular matrix. However, the structural details of Bmf cytoskeleton tethering and the control of Bmf release upon loss of anchorage remained unknown. Here we showed that cell detachment induced rapid and sustained activation of p38 MAPK in mammary epithelial cell lines. Inhibition of p38 signaling or Bmf knockdown rescued anoikis. Activated p38 MAPK could directly phosphorylate Bmf at multiple sites including a non-proline-directed site threonine 72 (T72). Crystallographic studies revealed that Bmf T72 directly participated in DLC2 binding and its phosphorylation would block Bmf/DLC2 interaction through steric hindrance. Finally, we showed that phosphomimetic mutation of T72 enhanced Bmf apoptotic activity in vitro and in a knock-in mouse model. This work unraveled a novel regulatory mechanism of Bmf activity during anoikis and provided structural basis for Bmf cytoskeleton tethering and dissociation.
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32
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Maiorino L, Daßler-Plenker J, Sun L, Egeblad M. Innate Immunity and Cancer Pathophysiology. ANNUAL REVIEW OF PATHOLOGY 2022; 17:425-457. [PMID: 34788549 PMCID: PMC9012188 DOI: 10.1146/annurev-pathmechdis-032221-115501] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Chronic inflammation increases the risk of several cancers, including gastric, colon, and hepatic cancers. Conversely, tumors, similar to tissue injury, trigger an inflammatory response coordinated by the innate immune system. Cellular and molecular mediators of inflammation modulate tumor growth directly and by influencing the adaptive immune response. Depending on the balance of immune cell types and signals within the tumor microenvironment, inflammation can support or restrain the tumor. Adding to the complexity, research from the past two decades has revealed that innate immune cells are highly heterogeneous and plastic, with variable phenotypes depending on tumor type, stage, and treatment. The field is now on the cusp of being able to harness this wealth of data to (a) classify tumors on the basis of their immune makeup, with implications for prognosis, treatment choice, and clinical outcome, and (b) design therapeutic strategies that activate antitumor immune responses by targeting innate immune cells.
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Affiliation(s)
- Laura Maiorino
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | | | - Lijuan Sun
- Cold Spring Harbor Laboratory, Cold Spring Harbor, NY 11724, USA
| | - Mikala Egeblad
- Cold Spring Harbor Laboratory, Cold Spring Harbor, NY 11724, USA
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33
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Beshay PE, Cortes-Medina MG, Menyhert MM, Song JW. The biophysics of cancer: emerging insights from micro- and nanoscale tools. ADVANCED NANOBIOMED RESEARCH 2022; 2:2100056. [PMID: 35156093 PMCID: PMC8827905 DOI: 10.1002/anbr.202100056] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Cancer is a complex and dynamic disease that is aberrant both biologically and physically. There is growing appreciation that physical abnormalities with both cancer cells and their microenvironment that span multiple length scales are important drivers for cancer growth and metastasis. The scope of this review is to highlight the key advancements in micro- and nano-scale tools for delineating the cause and consequences of the aberrant physical properties of tumors. We focus our review on three important physical aspects of cancer: 1) solid mechanical properties, 2) fluid mechanical properties, and 3) mechanical alterations to cancer cells. Beyond posing physical barriers to the delivery of cancer therapeutics, these properties are also known to influence numerous biological processes, including cancer cell invasion and migration leading to metastasis, and response and resistance to therapy. We comment on how micro- and nanoscale tools have transformed our fundamental understanding of the physical dynamics of cancer progression and their potential for bridging towards future applications at the interface of oncology and physical sciences.
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Affiliation(s)
- Peter E. Beshay
- Department of Mechanical and Aerospace Engineering, The Ohio State University, Columbus, OH 43210
| | | | - Miles M. Menyhert
- Department of Chemical and Biomolecular Engineering, The Ohio State University, Columbus, OH 43210
| | - Jonathan W. Song
- Department of Mechanical and Aerospace Engineering, The Ohio State University, Columbus, OH 43210,The Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210
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34
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Xu R, Yan Y, Zheng X, Zhang H, Chen W, Li H, Dong Z. Aspirin Suppresses Breast Cancer Metastasis to Lung by Targeting Anoikis Resistance. Carcinogenesis 2021; 43:104-114. [PMID: 34958360 DOI: 10.1093/carcin/bgab117] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 11/13/2021] [Accepted: 12/01/2021] [Indexed: 11/12/2022] Open
Abstract
Clinical evidence recently suggests that the regular use of aspirin is associated with a lower risk of breast cancer metastasis, but mechanisms remain unclear. Resistance to anoikis has been implicated in malignant transformation and metastasis. Here we investigated whether aspirin might prevent breast cancer metastasis to lung by targeting anoikis resistance. Aspirin sensitized breast cancer cells to anoikis in vitro, and lowered the circulating tumor cells as well as distant metastasis in vivo. Mechanistically, thromboxane A2 (TXA2) pathway was identified as the relevant molecular target for aspirin in anoikis sensitization. Upon detachment, both thromboxane A2 receptor (TP) and thromboxane A2 synthase 1 (TBXAS1) were up-regulated in metastatic breast cancer cells, conferred anoikis resistance through persistent activation of Akt, thereby facilitated breast cancer metastasis to lung. Consistently, either knockdown of TP in cancer cells or genetic deletion of TP in mice protected against lung metastasis in vivo. Collectively, TXA2 pathway plays a critical role in anoikis resistance, and might serve as potential target for chemoprevention of breast cancer metastasis.
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Affiliation(s)
- Ruijie Xu
- School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China.,State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
| | - Yongheng Yan
- School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China.,State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
| | - Xu Zheng
- School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China.,State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
| | - Hao Zhang
- School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China.,State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
| | - Wei Chen
- School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China.,State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
| | - Haitao Li
- School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China.,State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
| | - Zigang Dong
- The School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, 450000, China.,The Hormel Institute, University of Minnesota, Austin, MN 55912, USA
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35
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Abstract
DNA mutation is a common event in the human body, but in most situations, it is fixed right away by the DNA damage response program. In case the damage is too severe to repair, the programmed cell death system will be activated to get rid of the cell. However, if the damage affects some critical components of this system, the genetic scars are kept and multiply through mitosis, possibly leading to cancer someday. There are many forms of programmed cell death, but apoptosis and necroptosis represent the default and backup strategy, respectively, in the maintenance of optimal cell population as well as in cancer prevention. For the same reason, the ideal approach for cancer treatment is to induce apoptosis in the cancer cells because it proceeds 20 times faster than tumor cell proliferation and leaves no mess behind. Induction of necroptosis can be the second choice in case apoptosis becomes hard to achieve, however, necroptosis finishes the job at a cost-inflammation.
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Affiliation(s)
- Xianmei Meng
- Inner Mongolia Institute of Digestive Diseases, Inner Mongolia Engineering Research Center for Prevention and Treatment of Digestive Diseases, Inner Mongolia University of Science and Technology, 74506The Second Affiliated Hospital of Baotou Medical College, Baotou, China
| | - Tong Dang
- Inner Mongolia Institute of Digestive Diseases, Inner Mongolia Engineering Research Center for Prevention and Treatment of Digestive Diseases, Inner Mongolia University of Science and Technology, 74506The Second Affiliated Hospital of Baotou Medical College, Baotou, China
| | - Jianyuan Chai
- Inner Mongolia Institute of Digestive Diseases, Inner Mongolia Engineering Research Center for Prevention and Treatment of Digestive Diseases, Inner Mongolia University of Science and Technology, 74506The Second Affiliated Hospital of Baotou Medical College, Baotou, China.,Laboratory of Gastrointestinal Injury and Cancer, VA Long Beach Healthcare System, Long Beach, CA, USA.,College of Medicine, University of California, Irvine, CA, USA
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36
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Yin L, Yu L, He JC, Chen A. Controversies in Podocyte Loss: Death or Detachment? Front Cell Dev Biol 2021; 9:771931. [PMID: 34881244 PMCID: PMC8645964 DOI: 10.3389/fcell.2021.771931] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 11/03/2021] [Indexed: 12/21/2022] Open
Abstract
Glomerular podocytes are characterized by terminally differentiated epithelial cells with limited proliferating ability; thus, podocyte loss could not be fully compensated by podocyte regeneration. A large body of clinical studies collectively demonstrated that podocyte loss correlated with glomerular diseases progression. Both podocyte death and podocyte detachment lead to podocyte loss; however, which one is the main cause remains controversial. Up to date, multiple mechanisms are involved in podocyte death, including programmed apoptotic cell death (apoptosis and anoikis), programmed nonapoptotic cell death (autophagy, entosis, and podoptosis), immune-related cell death (pyroptosis), and other types of cell death (necroptosis and mitotic catastrophe-related cell death). Apoptosis is considered a common mechanism of podocyte loss; however, most of the data were generated in vitro and the evidence of in vivo podocyte apoptosis is limited. The isolation of podocytes in the urine and subsequent culture of urinary podocytes in vitro suggest that detachment of viable podocytes could be another important mechanism for podocyte loss. In this review, we summarize recent advances that address this controversial topic on the specific circumstances of podocyte loss.
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Affiliation(s)
- Lijun Yin
- Hunan Key Laboratory of Kidney Disease and Blood Purification, Department of Nephrology, Institute of Nephrology, The Second Xiangya Hospital at Central South University, Changsha, China
| | - Lu Yu
- Hunan Key Laboratory of Kidney Disease and Blood Purification, Department of Nephrology, Institute of Nephrology, The Second Xiangya Hospital at Central South University, Changsha, China.,Department of Health Sciences, Boston University College of Health and Rehabilitation Sciences: Sargent College, Boston University, Boston, MA, United States
| | - John Cijiang He
- Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, United States.,Renal Program, James J. Peters Veterans Affairs Medical Center at Bronx, New York, NY, United States
| | - Anqun Chen
- Hunan Key Laboratory of Kidney Disease and Blood Purification, Department of Nephrology, Institute of Nephrology, The Second Xiangya Hospital at Central South University, Changsha, China
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The Emerging Roles of Autophagy in Human Diseases. Biomedicines 2021; 9:biomedicines9111651. [PMID: 34829881 PMCID: PMC8615641 DOI: 10.3390/biomedicines9111651] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 11/03/2021] [Accepted: 11/05/2021] [Indexed: 01/18/2023] Open
Abstract
Autophagy, a process of cellular self-digestion, delivers intracellular components including superfluous and dysfunctional proteins and organelles to the lysosome for degradation and recycling and is important to maintain cellular homeostasis. In recent decades, autophagy has been found to help fight against a variety of human diseases, but, at the same time, autophagy can also promote the procession of certain pathologies, which makes the connection between autophagy and diseases complex but interesting. In this review, we summarize the advances in understanding the roles of autophagy in human diseases and the therapeutic methods targeting autophagy and discuss some of the remaining questions in this field, focusing on cancer, neurodegenerative diseases, infectious diseases and metabolic disorders.
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38
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Wang CC. Metabolic Stress Adaptations Underlie Mammary Gland Morphogenesis and Breast Cancer Progression. Cells 2021; 10:2641. [PMID: 34685621 PMCID: PMC8534177 DOI: 10.3390/cells10102641] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Revised: 09/26/2021] [Accepted: 09/28/2021] [Indexed: 11/23/2022] Open
Abstract
Breast cancers display dynamic reprogrammed metabolic activities as cancers develop from premalignant lesions to primary tumors, and then metastasize. Numerous advances focus on how tumors develop pro-proliferative metabolic signaling that differs them from adjacent, non-transformed epithelial tissues. This leads to targetable oncogene-driven liabilities among breast cancer subtypes. Other advances demonstrate how microenvironments trigger stress-response at single-cell resolution. Microenvironmental heterogeneities give rise to cell regulatory states in cancer cell spheroids in three-dimensional cultures and at stratified terminal end buds during mammary gland morphogenesis, where stress and survival signaling juxtapose. The cell-state specificity in stress signaling networks recapture metabolic evolution during cancer progression. Understanding lineage-specific metabolic phenotypes in experimental models is useful for gaining a deeper understanding of subtype-selective breast cancer metabolism.
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Affiliation(s)
- Chun-Chao Wang
- Institute of Molecular Medicine, National Tsing Hua University, Hsinchu 30013, Taiwan; ; Tel.: +886-3-516-2589
- Department of Medical Science, National Tsing Hua University, Hsinchu 30013, Taiwan
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39
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Popova AN, Vorotelyak EA. The Problem of Terminal Differentiation and Apoptosis during Human Keratinocytes’ Cryostorage in Suspension. Russ J Dev Biol 2021. [DOI: 10.1134/s1062360421040068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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40
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Lu P, Foley J, Zhu C, McNamara K, Sirinukunwattana K, Vennam S, Varma S, Fehri H, Srivastava A, Zhu S, Rittscher J, Mallick P, Curtis C, West R. Transcriptome and genome evolution during HER2-amplified breast neoplasia. Breast Cancer Res 2021; 23:73. [PMID: 34266469 PMCID: PMC8281634 DOI: 10.1186/s13058-021-01451-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Accepted: 07/03/2021] [Indexed: 01/05/2023] Open
Abstract
Background The acquisition of oncogenic drivers is a critical feature of cancer progression. For some carcinomas, it is clear that certain genetic drivers occur early in neoplasia and others late. Why these drivers are selected and how these changes alter the neoplasia’s fitness is less understood. Methods Here we use spatially oriented genomic approaches to identify transcriptomic and genetic changes at the single-duct level within precursor neoplasia associated with invasive breast cancer. We study HER2 amplification in ductal carcinoma in situ (DCIS) as an event that can be both quantified and spatially located via fluorescence in situ hybridization (FISH) and immunohistochemistry on fixed paraffin-embedded tissue. Results By combining the HER2-FISH with the laser capture microdissection (LCM) Smart-3SEQ method, we found that HER2 amplification in DCIS alters the transcriptomic profiles and increases diversity of copy number variations (CNVs). Particularly, interferon signaling pathway is activated by HER2 amplification in DCIS, which may provide a prolonged interferon signaling activation in HER2-positive breast cancer. Multiple subclones of HER2-amplified DCIS with distinct CNV profiles are observed, suggesting that multiple events occurred for the acquisition of HER2 amplification. Notably, DCIS acquires key transcriptomic changes and CNV events prior to HER2 amplification, suggesting that pre-amplified DCIS may create a cellular state primed to gain HER2 amplification for growth advantage. Conclusion By using genomic methods that are spatially oriented, this study identifies several features that appear to generate insights into neoplastic progression in precancer lesions at a single-duct level. Supplementary Information The online version contains supplementary material available at 10.1186/s13058-021-01451-6.
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Affiliation(s)
- Peipei Lu
- Department of Pathology, Stanford University, Stanford, CA, USA.
| | - Joseph Foley
- Department of Pathology, Stanford University, Stanford, CA, USA
| | - Chunfang Zhu
- Department of Pathology, Stanford University, Stanford, CA, USA
| | - Katherine McNamara
- Department of Medicine and Genetics, Stanford University, Stanford, CA, USA
| | - Korsuk Sirinukunwattana
- Institute of Biomedical Engineering, Department of Engineering Science, University of Oxford, Oxford, UK.,Big Data Institute/Li Ka Shing Centre for Health Information and Discovery, University of Oxford, Oxford, UK
| | - Sujay Vennam
- Department of Pathology, Stanford University, Stanford, CA, USA
| | - Sushama Varma
- Department of Pathology, Stanford University, Stanford, CA, USA
| | - Hamid Fehri
- Institute of Biomedical Engineering, Department of Engineering Science, University of Oxford, Oxford, UK.,Big Data Institute/Li Ka Shing Centre for Health Information and Discovery, University of Oxford, Oxford, UK
| | - Arunima Srivastava
- Department of Computer Science and Engineering, The Ohio State University, Columbus, OH, USA
| | - Shirley Zhu
- Department of Pathology, Stanford University, Stanford, CA, USA
| | - Jens Rittscher
- Institute of Biomedical Engineering, Department of Engineering Science, University of Oxford, Oxford, UK
| | - Parag Mallick
- Department of Radiology, Stanford University, Stanford, CA, USA
| | - Christina Curtis
- Department of Medicine and Genetics, Stanford University, Stanford, CA, USA
| | - Robert West
- Department of Pathology, Stanford University, Stanford, CA, USA
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41
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Weidle UH, AuslÄnder S, Brinkmann U. Micro RNAs Promoting Growth and Metastasis in Preclinical In Vivo Models of Subcutaneous Melanoma. Cancer Genomics Proteomics 2021; 17:651-667. [PMID: 33099468 DOI: 10.21873/cgp.20221] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 07/13/2020] [Accepted: 07/17/2020] [Indexed: 02/07/2023] Open
Abstract
During the last years a considerable therapeutic progress in melanoma patients with the RAF V600E mutation via RAF/MEK pathway inhibition and immuno-therapeutic modalities has been witnessed. However, the majority of patients relapse after therapy. Therefore, a deeper understanding of the pathways driving oncogenicity and metastasis of melanoma is of paramount importance. In this review, we summarize microRNAs modulating tumor growth, metastasis, or both, in preclinical melanoma-related in vivo models and possible clinical impact in melanoma patients as modalities and targets for treatment of melanoma. We have identified miR-199a (ApoE, DNAJ4), miR-7-5p (RelA), miR-98a (IL6), miR-219-5p (BCL2) and miR-365 (NRP1) as possible targets to be scrutinized in further target validation studies.
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Affiliation(s)
- Ulrich H Weidle
- Roche Pharma Research and Early Development (pRED), Large Molecule Research, Roche Innovation Center Munich, Penzberg, Germany
| | - Simon AuslÄnder
- Roche Pharma Research and Early Development (pRED), Large Molecule Research, Roche Innovation Center Munich, Penzberg, Germany
| | - Ulrich Brinkmann
- Roche Pharma Research and Early Development (pRED), Large Molecule Research, Roche Innovation Center Munich, Penzberg, Germany
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42
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Mushtaq U, Bashir M, Nabi S, Khanday FA. Epidermal growth factor receptor and integrins meet redox signaling through P66shc and Rac1. Cytokine 2021; 146:155625. [PMID: 34157521 DOI: 10.1016/j.cyto.2021.155625] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Revised: 05/23/2021] [Accepted: 06/08/2021] [Indexed: 12/24/2022]
Abstract
This review examines the concerted role of Epidermal Growth Factor Receptor (EGFR) and integrins in regulating Reactive oxygen species (ROS) production through different signaling pathways. ROS as such are not always deleterious to the cells but they also act as signaling molecules, that regulates numerous indespensible physiological fuctions of life. Many adaptor proteins, particularly Shc and Grb2, are involved in mediating the downstream signaling pathways stimulated by EGFR and integrins. Integrin-induced activation of EGFR and subsequent tyrosine phosphorylation of a class of acceptor sites on EGFR leads to alignment and tyrosine phosphorylation of Shc, PLCγ, the p85 subunit of PI-3 K, and Cbl, followed by activation of the downstream targets Erk and Akt/PKB. Functional interactions between these receptors result in the activation of Rac1 via these adaptor proteins, thereby leading to Reactive Oxygen Species. Both GF and integrin activation can produce oxidants independently, however synergistically there is increased ROS generation, suggesting a mutual cooperation between integrins and GFRs for redox signalling. The ROS produced further promotes feed-forward stimulation of redox signaling events such as MAPK activation and gene expression. This relationship has not been reviewed previously. The literature presented here can have multiple implications, ranging from looking at synergistic effects of integrin and EGFR mediated signaling mechanisms of different proteins to possible therapeutic interventions operated by these two receptors. Furthermore, such mutual redox regulation of crosstalk between EGFR and integrins not only add to the established models of pathological oxidative stress, but also can impart new avenues and opportunities for targeted antioxidant based therapeutics.
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Affiliation(s)
- Umar Mushtaq
- Department of Biotechnology, University of Kashmir, Srinagar, JK 190006, India; Department of Biotechnology, Central University of Kashmir, Ganderbal, JK 191201, India
| | - Muneesa Bashir
- Department of Biotechnology, University of Kashmir, Srinagar, JK 190006, India; Department of Higher Education, Government of Jammu & Kashmir, 190001, India
| | - Sumaiya Nabi
- Department of Biochemistry, University of Kashmir, Srinagar, JK 190006, India
| | - Firdous A Khanday
- Department of Biotechnology, University of Kashmir, Srinagar, JK 190006, India.
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Santagostino SF, Assenmacher CA, Tarrant JC, Adedeji AO, Radaelli E. Mechanisms of Regulated Cell Death: Current Perspectives. Vet Pathol 2021; 58:596-623. [PMID: 34039100 DOI: 10.1177/03009858211005537] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Balancing cell survival and cell death is fundamental to development and homeostasis. Cell death is regulated by multiple interconnected signaling pathways and molecular mechanisms. Regulated cell death (RCD) is implicated in fundamental processes such as organogenesis and tissue remodeling, removal of unnecessary structures or cells, and regulation of cell numbers. RCD can also be triggered by exogenous perturbations of the intracellular or extracellular microenvironment when the adaptive processes that respond to stress fail. During the past few years, many novel forms of non-apoptotic RCD have been identified, and the characterization of RCD mechanisms at a molecular level has deepened our understanding of diseases encountered in human and veterinary medicine. Given the complexity of these processes, it has become clear that the identification of RCD cannot be based simply on morphologic characteristics and that descriptive and diagnostic terms presently used by pathologists-such as individual cell apoptosis or necrosis-appear inadequate and possibly misleading. In this review, the current understanding of the molecular machinery of each type of non-apoptotic RCD mechanisms is outlined. Due to the continuous discovery of new mechanisms or nuances of previously described processes, the limitations of the terms apoptosis and necrosis to indicate microscopic findings are also reported. In addition, the need for a standard panel of biomarkers and functional tests to adequately characterize the underlying RCD and its role as a mechanism of disease is considered.
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Affiliation(s)
| | - Charles-Antoine Assenmacher
- Department of Pathobiology, School of Veterinary Medicine, 6572University of Pennsylvania, Philadelphia, PA, USA
| | - James C Tarrant
- Department of Pathobiology, School of Veterinary Medicine, 6572University of Pennsylvania, Philadelphia, PA, USA
| | | | - Enrico Radaelli
- Department of Pathobiology, School of Veterinary Medicine, 6572University of Pennsylvania, Philadelphia, PA, USA
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44
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Protein analysis of extracellular vesicles to monitor and predict therapeutic response in metastatic breast cancer. Nat Commun 2021; 12:2536. [PMID: 33953198 PMCID: PMC8100127 DOI: 10.1038/s41467-021-22913-7] [Citation(s) in RCA: 123] [Impact Index Per Article: 41.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 04/07/2021] [Indexed: 12/17/2022] Open
Abstract
Molecular profiling of circulating extracellular vesicles (EVs) provides a promising noninvasive means to diagnose, monitor, and predict the course of metastatic breast cancer (MBC). However, the analysis of EV protein markers has been confounded by the presence of soluble protein counterparts in peripheral blood. Here we use a rapid, sensitive, and low-cost thermophoretic aptasensor (TAS) to profile cancer-associated protein profiles of plasma EVs without the interference of soluble proteins. We show that the EV signature (a weighted sum of eight EV protein markers) has a high accuracy (91.1 %) for discrimination of MBC, non-metastatic breast cancer (NMBC), and healthy donors (HD). For MBC patients undergoing therapies, the EV signature can accurately monitor the treatment response across the training, validation, and prospective cohorts, and serve as an independent prognostic factor for progression free survival in MBC patients. Together, this work highlights the potential clinical utility of EVs in management of MBC. A thermophoretic aptasensor can be used to profile cancer-associated proteins of extracellular vesicles (EVs) in patients’ plasma. Here, the authors use this technique to develop an EV-signature able to discriminate metastatic breast cancer, monitor treatment response, and predict patients’ progression-free survival.
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Adeshakin FO, Adeshakin AO, Afolabi LO, Yan D, Zhang G, Wan X. Mechanisms for Modulating Anoikis Resistance in Cancer and the Relevance of Metabolic Reprogramming. Front Oncol 2021; 11:626577. [PMID: 33854965 PMCID: PMC8039382 DOI: 10.3389/fonc.2021.626577] [Citation(s) in RCA: 113] [Impact Index Per Article: 37.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 02/08/2021] [Indexed: 12/12/2022] Open
Abstract
The attachment of cells to the extracellular matrix (ECM) is the hallmark of structure–function stability and well-being. ECM detachment in localized tumors precedes abnormal dissemination of tumor cells culminating in metastasis. Programmed cell death (PCD) is activated during tumorigenesis to clear off ECM-detached cells through “anoikis.” However, cancer cells develop several mechanisms for abrogating anoikis, thus promoting their invasiveness and metastasis. Specific factors, such as growth proteins, pH, transcriptional signaling pathways, and oxidative stress, have been reported as drivers of anoikis resistance, thus enhancing cancer proliferation and metastasis. Recent studies highlighted the key contributions of metabolic pathways, enabling the cells to bypass anoikis. Therefore, understanding the mechanisms driving anoikis resistance could help to counteract tumor progression and prevent metastasis. This review elucidates the dynamics employed by cancer cells to impede anoikis, thus promoting proliferation, invasion, and metastasis. In addition, the authors have discussed other metabolic intermediates (especially amino acids and nucleotides) that are less explored, which could be crucial for anoikis resistance and metastasis.
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Affiliation(s)
- Funmilayo O Adeshakin
- Guangdong Immune Cell Therapy Engineering and Technology Research Center, Center for Protein and Cell-Based Drugs, Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Adeleye O Adeshakin
- Guangdong Immune Cell Therapy Engineering and Technology Research Center, Center for Protein and Cell-Based Drugs, Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Lukman O Afolabi
- Guangdong Immune Cell Therapy Engineering and Technology Research Center, Center for Protein and Cell-Based Drugs, Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Dehong Yan
- Guangdong Immune Cell Therapy Engineering and Technology Research Center, Center for Protein and Cell-Based Drugs, Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Guizhong Zhang
- Guangdong Immune Cell Therapy Engineering and Technology Research Center, Center for Protein and Cell-Based Drugs, Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Xiaochun Wan
- Guangdong Immune Cell Therapy Engineering and Technology Research Center, Center for Protein and Cell-Based Drugs, Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China.,University of Chinese Academy of Sciences, Beijing, China
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Surette A, Yoo BH, Younis T, Matheson K, Rameh T, Snowdon J, Bethune G, Rosen KV. Tumor levels of the mediators of ErbB2-driven anoikis resistance correlate with breast cancer relapse in patients receiving trastuzumab-based therapies. Breast Cancer Res Treat 2021; 187:743-758. [PMID: 33728523 DOI: 10.1007/s10549-021-06164-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 02/24/2021] [Indexed: 12/12/2022]
Abstract
PURPOSE Patients with ErbB2/Her2 oncoprotein-positive breast cancers often receive neoadjuvant therapies (NATs) containing the anti-ErbB2 antibody trastuzumab. Tumors that are still present after NATs are resected, and patients continue receiving trastuzumab. These cancers are associated with high relapse risk. Whether relapse will occur cannot be presently reliably predicted. The ability to make such predictions could improve disease management. We found previously that ErbB2 blocks breast tumor cell anoikis, apoptosis induced by cell detachment from the extracellular matrix, by downregulating the pro-apoptotic protein Irf6 and upregulating the anti-apoptotic protein Epidermal Growth Factor Receptor (EGFR) in the cells and, thus, promotes their three-dimensional growth. We now tested whether tumor levels of these proteins before and after NATs correlate with patients' relapse-free survival (RFS) and overall survival (OS). METHODS We selected archival breast tumor samples collected from 37 women with ErbB2-positive stages II and III breast cancer before and after NATs. We used immunohistochemistry to test whether levels of the indicated proteins in respective tumors correlate with RFS and OS. RESULTS We observed that the presence of high Irf6 levels in the tumors following NATs correlated with reduced RFS and OS. Perhaps not by coincidence, we noticed that trastuzumab-sensitive ErbB2-positive breast cancer cells selected for the ability to overproduce exogenous Irf6 in culture acquired trastuzumab resistance. Finally, EGFR presence in patients' tumors before or after NATs was associated with decreased RFS and OS. CONCLUSIONS This study could help identify patients with ErbB2-positive tumors that are at increased risk of disease relapse following NATs.
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Affiliation(s)
- Alexi Surette
- Department of Pathology, Dalhousie University, Rm 714 Mackenzie Bldg, 5788 University Ave, Halifax, NS, B3H 1V8, Canada
| | - Byong Hoon Yoo
- Departments of Pediatrics & Biochemistry and Molecular Biology, Atlantic Research Centre, Dalhousie University, Rm C-304, CRC, 5849 University Avenue, PO Box 15000, Halifax, NS, B3H 4R2, Canada
| | - Tallal Younis
- Department of Medicine, Dalhousie University, Halifax, NS, Canada
| | - Kara Matheson
- Nova Scotia Health Authority Centre for Clinical Research, Halifax, NS, Canada
| | - Tarek Rameh
- Department of Laboratory Medicine, Saint John Regional Hospital, Saint John, NB, Canada
| | | | - Gillian Bethune
- Department of Pathology, Dalhousie University, Rm 714 Mackenzie Bldg, 5788 University Ave, Halifax, NS, B3H 1V8, Canada.
| | - Kirill V Rosen
- Departments of Pediatrics & Biochemistry and Molecular Biology, Atlantic Research Centre, Dalhousie University, Rm C-304, CRC, 5849 University Avenue, PO Box 15000, Halifax, NS, B3H 4R2, Canada.
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Mason JA, Cockfield JA, Pape DJ, Meissner H, Sokolowski MT, White TC, Valentín López JC, Liu J, Liu X, Martínez-Reyes I, Chandel NS, Locasale JW, Schafer ZT. SGK1 signaling promotes glucose metabolism and survival in extracellular matrix detached cells. Cell Rep 2021; 34:108821. [PMID: 33730592 DOI: 10.1016/j.celrep.2021.108821] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 12/30/2020] [Accepted: 02/12/2021] [Indexed: 12/29/2022] Open
Abstract
Loss of integrin-mediated attachment to extracellular matrix (ECM) proteins can trigger a variety of cellular changes that affect cell viability. Foremost among these is the activation of anoikis, caspase-mediated cell death induced by ECM detachment. In addition, loss of ECM attachment causes profound alterations in cellular metabolism, which can lead to anoikis-independent cell death. Here, we describe a surprising role for serum and glucocorticoid kinase-1 (SGK1) in the promotion of energy production when cells are detached. Our data demonstrate that SGK1 activation is necessary and sufficient for ATP generation during ECM detachment and anchorage-independent growth. More specifically, SGK1 promotes a substantial elevation in glucose uptake because of elevated GLUT1 transcription. In addition, carbon flux into the pentose phosphate pathway (PPP) is necessary to accommodate elevated glucose uptake and PPP-mediated glyceraldehyde-3-phosphate (G3P) is necessary for ATP production. Thus, our data show SGK1 as master regulator of glucose metabolism and cell survival during ECM-detached conditions.
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Affiliation(s)
- Joshua A Mason
- Department of Biological Sciences, University of Notre Dame, Notre Dame, IN 46556, USA
| | - Jordan A Cockfield
- Department of Biological Sciences, University of Notre Dame, Notre Dame, IN 46556, USA
| | - Daniel J Pape
- Department of Biological Sciences, University of Notre Dame, Notre Dame, IN 46556, USA
| | - Hannah Meissner
- Department of Biological Sciences, University of Notre Dame, Notre Dame, IN 46556, USA
| | - Michael T Sokolowski
- Department of Biological Sciences, University of Notre Dame, Notre Dame, IN 46556, USA
| | - Taylor C White
- Department of Biological Sciences, University of Notre Dame, Notre Dame, IN 46556, USA
| | - José C Valentín López
- Department of Biological Sciences, University of Notre Dame, Notre Dame, IN 46556, USA
| | - Juan Liu
- Department of Pharmacology & Cancer Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Xiaojing Liu
- Department of Pharmacology & Cancer Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | | | - Navdeep S Chandel
- Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
| | - Jason W Locasale
- Department of Pharmacology & Cancer Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Zachary T Schafer
- Department of Biological Sciences, University of Notre Dame, Notre Dame, IN 46556, USA.
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Boese AC, Kang S. Mitochondrial metabolism-mediated redox regulation in cancer progression. Redox Biol 2021; 42:101870. [PMID: 33509708 PMCID: PMC8113029 DOI: 10.1016/j.redox.2021.101870] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 01/13/2021] [Accepted: 01/14/2021] [Indexed: 12/13/2022] Open
Abstract
Cancer cells display abnormal metabolic activity as a result of activated oncogenes and loss of tumor suppressor genes. The Warburg Effect is a common metabolic feature of cancer that involves a preference for aerobic glycolysis over oxidative phosphorylation to generate ATP and building blocks for biosynthesis. However, emerging evidence indicates that mitochondrial metabolic pathways are also reprogrammed in cancer and play vital roles in bioenergetics, biosynthesis, and managing redox homeostasis. The mitochondria act a central hub for metabolic pathways that generate ATP and building blocks for lipid, nucleic acid and protein biosynthesis. However, mitochondrial respiration is also a leading source of reactive oxygen species that can damage cellular organelles and trigger cell death if levels become too high. In general, cancer cells are reported to have higher levels of reactive oxygen species than their non-cancerous cells of origin, and therefore must employ diverse metabolic strategies to prevent oxidative stress. However, mounting evidence indicates that the metabolic profiles between proliferative and disseminated cancer cells are not the same. In this review, we will examine mitochondrial metabolic pathways, such as glutaminolysis, that proliferative and disseminated cancer cells utilize to control their redox status.
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Affiliation(s)
- Austin C Boese
- Department of Hematology and Medical Oncology, Winship Cancer Institute, Emory University School of Medicine, Atlanta, GA, 30322, USA
| | - Sumin Kang
- Department of Hematology and Medical Oncology, Winship Cancer Institute, Emory University School of Medicine, Atlanta, GA, 30322, USA.
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Song J, Liu Y, Liu F, Zhang L, Li G, Yuan C, Yu C, Lu X, Liu Q, Chen X, Liang H, Ding Z, Zhang B. The 14-3-3σ protein promotes HCC anoikis resistance by inhibiting EGFR degradation and thereby activating the EGFR-dependent ERK1/2 signaling pathway. Theranostics 2021; 11:996-1015. [PMID: 33391517 PMCID: PMC7738881 DOI: 10.7150/thno.51646] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Accepted: 10/22/2020] [Indexed: 12/24/2022] Open
Abstract
Resistance to anoikis, cell death due to matrix detachment, is acquired during tumor progression. The 14-3-3σ protein is implicated in the development of chemo- and radiation resistance, indicating a poor prognosis in multiple human cancers. However, its function in anoikis resistance and metastasis in hepatocellular carcinoma (HCC) is currently unknown. Methods: Protein expression levels of 14-3-3σ were measured in paired HCC and normal tissue samples using western blot and immunohistochemical (IHC) staining. Statistical analysis was performed to evaluate the clinical correlation between 14-3-3σ expression, clinicopathological features, and overall survival. Artificial modulation of 14-3-3σ (downregulation and overexpression) was performed to explore the role of 14-3-3σ in HCC anoikis resistance and tumor metastasis in vitro and in vivo. Association of 14-3-3σ with epidermal growth factor receptor (EGFR) was assayed by co-immunoprecipitation. Effects of ectopic 14-3-3σ expression or knockdown on EGFR signaling, ligand-induced EGFR degradation and ubiquitination were examined using immunoblotting and co-immunoprecipitation, immunofluorescence staining, and flow cytometry analysis. The levels of EGFR ubiquitination, the interaction between EGFR and 14-3-3σ, and the association of EGFR with c-Cbl after EGF stimulation, in 14-3-3σ overexpressing or knockdown cells were examined to elucidate the mechanism by which 14-3-3σ inhibits EGFR degradation. Using gain-of-function or loss-of-function strategies, we further investigated the role of the EGFR signaling pathway and its downstream target machinery in 14-3-3σ-mediated anoikis resistance of HCC cells. Results: We demonstrated that 14-3-3σ was upregulated in HCC tissues, whereby its overexpression was correlated with aggressive clinicopathological features and a poor prognosis. In vitro and in vivo experiments indicated that 14-3-3σ promoted anoikis resistance and metastasis of HCC cells. Mechanistically, we show that 14-3-3σ can interact with EGFR and significantly inhibit EGF-induced degradation of EGFR, stabilizing the activated receptor, and therefore prolong the activation of EGFR signaling. We demonstrated that 14-3-3σ downregulated ligand-induced EGFR degradation by inhibiting EGFR-c-Cbl association and subsequent c-Cbl-mediated EGFR ubiquitination. We further verified that activation of the ERK1/2 pathway was responsible for 14-3-3σ-mediated anoikis resistance of HCC cells. Moreover, EGFR inactivation could reverse the 14-3-3σ-mediated effects on ERK1/2 phosphorylation and anoikis resistance. Expression of 14-3-3σ and EGFR were found to be positively correlated in human HCC tissues. Conclusions: Our results indicate that 14-3-3σ plays a pivotal role in the anoikis resistance and metastasis of HCC cells, presumably by inhibiting EGFR degradation and regulating the activation of the EGFR-dependent ERK1/2 pathway. To our best knowledge, this is the first report of the role of 14-3-3σ in the anoikis resistance of HCC cells, offering new research directions for the treatment of metastatic cancer by targeting 14-3-3σ.
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50
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Dolinschek R, Hingerl J, Benge A, Zafiu C, Schüren E, Ehmoser EK, Lössner D, Reuning U. Constitutive activation of integrin αvβ3 contributes to anoikis resistance of ovarian cancer cells. Mol Oncol 2020; 15:503-522. [PMID: 33155399 PMCID: PMC7858284 DOI: 10.1002/1878-0261.12845] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 09/30/2020] [Accepted: 10/21/2020] [Indexed: 02/01/2023] Open
Abstract
Epithelial ovarian cancer involves the shedding of single tumor cells or spheroids from the primary tumor into ascites, followed by their survival, and transit to the sites of metastatic colonization within the peritoneal cavity. During their flotation, anchorage-dependent epithelial-type tumor cells gain anoikis resistance, implicating integrins, including αvß3. In this study, we explored anoikis escape, cisplatin resistance, and prosurvival signaling as a function of the αvß3 transmembrane conformational activation state in cells suspended in ascites. A high-affinity and constitutively signaling-competent αvß3 variant, which harbored unclasped transmembrane domains, was found to confer delayed anoikis onset, enhanced cisplatin resistance, and reduced cell proliferation in ascites or 3D-hydrogels, involving p27kip upregulation. Moreover, it promoted EGF-R expression and activation, prosurvival signaling, implicating FAK, src, and PKB/Akt. This led to the induction of the anti-apoptotic factors Bcl-2 and survivin suppressing caspase activation, compared to a signaling-incapable αvß3 variant displaying firmly associated transmembrane domains. Dissecting the mechanistic players for αvß3-dependent survival and peritoneal metastasis of ascitic ovarian cancer spheroids is of paramount importance to target their anchorage independence by reversing anoikis resistance and blocking αvß3-triggered prosurvival signaling.
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Affiliation(s)
- Romana Dolinschek
- Department for Obstetrics & Gynecology, Clinical Research Unit, Technische Universität München, Germany
| | - Julia Hingerl
- Department for Obstetrics & Gynecology, Clinical Research Unit, Technische Universität München, Germany
| | - Anke Benge
- Department for Obstetrics & Gynecology, Clinical Research Unit, Technische Universität München, Germany
| | - Christian Zafiu
- Department of Water, Atmosphere, and Environment, University for Natural Resources and Applied Life Sciences (BOKU), Vienna, Austria
| | - Elisabeth Schüren
- Department for Obstetrics & Gynecology, Clinical Research Unit, Technische Universität München, Germany
| | - Eva-Kathrin Ehmoser
- Department for Nanobiotechnology, Institute for Synthetic Bioarchitectures, University for Natural Resources and Applied Life Sciences (BOKU), Vienna, Austria
| | - Daniela Lössner
- Faculties of Engineering and Medicine, Nursing & Health Sciences, Monash University, Melbourne, Vic., Australia
| | - Ute Reuning
- Department for Obstetrics & Gynecology, Clinical Research Unit, Technische Universität München, Germany
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