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Badea MA, Balas M, Ionita D, Dinischiotu A. Carbon nanotubes conjugated with cisplatin activate different apoptosis signaling pathways in 2D and 3D-spheroid triple-negative breast cancer cell cultures: a comparative study. Arch Toxicol 2024; 98:2843-2866. [PMID: 38739308 PMCID: PMC11324667 DOI: 10.1007/s00204-024-03779-2] [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: 01/24/2024] [Accepted: 04/30/2024] [Indexed: 05/14/2024]
Abstract
The type of experimental model for the in vitro testing of drug formulations efficiency represents an important tool in cancer biology, with great attention being granted to three-dimensional (3D) cultures as these offer a closer approximation of the clinical sensitivity of drugs. In this study, the effects induced by carboxyl-functionalized single-walled carbon nanotubes complexed with cisplatin (SWCNT-COOH-CDDP) and free components (SWCNT-COOH and CDDP) were compared between conventional 2D- and 3D-spheroid cultures of human breast cancer cells. The 2D and 3D breast cancer cultures were exposed to various doses of SWCNT-COOH (0.25-2 μg/mL), CDDP (0.158-1.26 μg/mL) and the same doses of SWNCT-COOH-CDDP complex for 24 and 48 h. The anti-tumor activity, including modulation of cell viability, oxidative stress, proliferation, apoptosis, and invasion potential, was explored by spectrophotometric and fluorometric methods, immunoblotting, optical and fluorescence microscopy. The SWCNT-COOH-CDDP complex proved to have high anti-cancer efficiency on 2D and 3D cultures by inhibiting cell proliferation and activating cell death. A dose of 0.632 μg/mL complex triggered different pathways of apoptosis in 2D and 3D cultures, by intrinsic, extrinsic, and reticulum endoplasmic pathways. Overall, the 2D cultures showed higher susceptibility to the action of complex compared to 3D cultures and SWCNT-COOH-CDDP proved enhanced anti-tumoral activity compared to free CDDP.
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Affiliation(s)
- Madalina Andreea Badea
- Faculty of Biology, Department of Biochemistry and Molecular Biology, University of Bucharest, 91-95 Splaiul Independentei, 050095, Bucharest, Romania
- Research Institute of the University of Bucharest (ICUB), University of Bucharest, 90-92 Sos. Panduri, 050663, Bucharest, Romania
| | - Mihaela Balas
- Faculty of Biology, Department of Biochemistry and Molecular Biology, University of Bucharest, 91-95 Splaiul Independentei, 050095, Bucharest, Romania.
| | - Daniela Ionita
- Faculty of Applied Chemistry and Materials Science, Department of General Chemistry, Politehnica University of Bucharest, 313 Splaiul Independentei, 060042, Bucharest, Romania
| | - Anca Dinischiotu
- Faculty of Biology, Department of Biochemistry and Molecular Biology, University of Bucharest, 91-95 Splaiul Independentei, 050095, Bucharest, Romania
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2
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El Feky SE, Fakhry KA, Hussain AM, Ibrahim FAR, Morsi MI. MLKL regulates radiation-induced death in breast cancer cells: an interplay between apoptotic and necroptotic signals. Med Oncol 2024; 41:172. [PMID: 38862702 DOI: 10.1007/s12032-024-02415-4] [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: 03/18/2024] [Accepted: 05/25/2024] [Indexed: 06/13/2024]
Abstract
Resistance to caspase-dependent apoptosis is often responsible for treatments failure in cancer. Necroptosis is a type of programmed necrosis that occurs under caspase-deficient conditions that could overcome apoptosis resistance. Our purpose was to investigate the interrelationship between apoptotic and necroptotic death pathways and their influence on the response of breast cancer cells to radiotherapy in vitro. Human BC cell lines MCF-7 and MDA-MB-231 were treated with ionizing radiation, and then several markers of apoptosis, necroptosis, and survival were assessed in the presence and absence of necroptosis inhibition. MLKL knockdown was achieved by siRNA transfection. Our main findings emphasize the role of necroptosis in cellular response to radiation represented in the dose- and time-dependent elevated expression of necroptotic markers RIPK1, RIPK3, and MLKL. Knockdown of necroptotic marker MLKL by siRNA led to a significant elevation in MDA-MB-231 and MCF-7 survival with a dose modifying factor (DMF) of 1.23 and 1.61, respectively. Apoptotic markers Caspase 8 and TRADD showed transitory or delayed upregulation, indicating that apoptosis was not the main mechanism by which cells respond to radiation exposure. Apoptotic markers also showed a significant elevation following MLKL knockdown, suggesting its role either as a secondary or death alternative pathway. The result of our study emphasizes the critical role of the necroptotic pathway in regulating breast cancer cells responses to radiotherapy and suggests a promising utilization of its key modulator, MLKL, as a treatment strategy to improve the response to radiotherapy.
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Affiliation(s)
- Shaymaa E El Feky
- Radiation Sciences Department, Medical Research Institute, University of Alexandria, Alexandria, Egypt.
| | - Karen Adel Fakhry
- Radiation Sciences Department, Medical Research Institute, University of Alexandria, Alexandria, Egypt
| | - Amr M Hussain
- Cancer Management and Research Department, Medical Research Institute, Alexandria University, Alexandria, Egypt
| | - Fawziya A R Ibrahim
- Applied Medical Chemistry Department, Medical Research Institute, Alexandria University, Alexandria, Egypt
| | - Mohamed Ibrahim Morsi
- Radiation Sciences Department, Medical Research Institute, University of Alexandria, Alexandria, Egypt
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3
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Wohlfromm F, Ivanisenko NV, Pietkiewicz S, König C, Seyrek K, Kähne T, Lavrik IN. Arginine methylation of caspase-8 controls life/death decisions in extrinsic apoptotic networks. Oncogene 2024; 43:1955-1971. [PMID: 38730267 PMCID: PMC11178496 DOI: 10.1038/s41388-024-03049-6] [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: 08/26/2023] [Revised: 03/26/2024] [Accepted: 04/23/2024] [Indexed: 05/12/2024]
Abstract
Procaspase-8 is a key mediator of death receptor (DR)-mediated pathways. Recently, the role of post-translational modifications (PTMs) of procaspase-8 in controlling cell death has received increasing attention. Here, using mass spectrometry screening, pharmacological inhibition and biochemical assays, we show that procaspase-8 can be targeted by the PRMT5/RIOK1/WD45 methylosome complex. Furthermore, two potential methylation sites of PRMT5 on procaspase-8, R233 and R435, were identified in silico. R233 and R435 are highly conserved in mammals and their point mutations are among the most common mutations of caspase-8 in cancer. The introduction of mutations at these positions resulted in inhibitory effects on CD95L-induced caspase-8 activity, effector caspase activation and apoptosis. In addition, we show that procaspase-8 can undergo symmetric di-methylation. Finally, the pharmacological inhibition of PRMT5 resulted in the inhibitory effects on caspase activity and apoptotic cell death. Taken together, we have unraveled the additional control checkpoint in procaspase-8 activation and the arginine methylation network in the extrinsic apoptosis pathway.
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Affiliation(s)
- Fabian Wohlfromm
- Translational Inflammation Research, Medical Faculty, Center of Dynamic Systems (CDS), Otto von Guericke University, 39106, Magdeburg, Germany
| | - Nikita V Ivanisenko
- Translational Inflammation Research, Medical Faculty, Center of Dynamic Systems (CDS), Otto von Guericke University, 39106, Magdeburg, Germany
| | - Sabine Pietkiewicz
- Translational Inflammation Research, Medical Faculty, Center of Dynamic Systems (CDS), Otto von Guericke University, 39106, Magdeburg, Germany
| | - Corinna König
- Translational Inflammation Research, Medical Faculty, Center of Dynamic Systems (CDS), Otto von Guericke University, 39106, Magdeburg, Germany
| | - Kamil Seyrek
- Translational Inflammation Research, Medical Faculty, Center of Dynamic Systems (CDS), Otto von Guericke University, 39106, Magdeburg, Germany
| | - Thilo Kähne
- Institute of Experimental Internal Medicine, Medical Faculty, Otto von Guericke University, 39120, Magdeburg, Germany
| | - Inna N Lavrik
- Translational Inflammation Research, Medical Faculty, Center of Dynamic Systems (CDS), Otto von Guericke University, 39106, Magdeburg, Germany.
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4
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Liu H, Li M, Lin Y, You H, Kou J, Feng W. Dual‑directional effect of vinorelbine combined with cisplatin or fluorouracil on tumor growth and metastasis in metronomic chemotherapy in breast cancer. Int J Oncol 2024; 64:13. [PMID: 38063236 PMCID: PMC10783942 DOI: 10.3892/ijo.2023.5601] [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: 06/10/2023] [Accepted: 11/10/2023] [Indexed: 12/18/2023] Open
Abstract
Metronomic chemotherapy (MCT) regimens may be associated with risks to the patient due to the ambiguity surrounding low dosages and schedules. In the present study, metronomic regimens of vinorelbine (NVB) combined with cisplatin (CDDP) or fluorouracil (5‑FU) were chosen to study the dose‑response associations with tumor growth and metastasis, along with the underlying mechanisms in angiogenesis, apoptosis and tumor immunity, using experimental techniques such as immunofluorescence, immunohistochemistry, western blotting and flow cytometry. The results demonstrated a dual‑directional pharmacological action of promoting and suppressing tumor growth or metastasis in BALB/c mice bearing a 4T1 tumor at certain low and high doses of the drugs. Low doses of NVB combined with CDDP or 5‑FU accelerated tumor growth by enhancing angiogenesis, increasing the expression of angiogenic proteins, NF‑κB and osteopontin in tumor tissues, and inducing the accumulation of myeloid‑derived suppressor cells and macrophages. By contrast, higher doses inhibited tumor growth by suppressing these effects. Notably, the upregulation of apoptotic proteins was observed after low‑ and high‑dose treatments. Furthermore, at low concentrations, NVB combined with CDDP or 5‑FU stimulated certain functions of endothelial and tumor cells, including migration and invasion, whereas at higher concentrations they suppressed proliferation and induced apoptosis. Therefore, the results of the present study suggested the potential risks of metronomic combination chemotherapy by demonstrating that, at certain low doses, tumor growth or metastasis was promoted, and emphasized the existence of an effective dose interval that changes with different drug combinations. However, further studies are needed before a specific metronomic combination regimen can be administered clinically for cancer treatment.
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Affiliation(s)
- Hua Liu
- Department of Pharmacy, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Min Li
- Department of Pharmacy, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Yanlan Lin
- Department of Pharmacy, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Huining You
- Department of Pharmacy, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Jianrong Kou
- Department of Pharmacy, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Weiyi Feng
- Department of Pharmacy, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
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Shin GC, Lee HM, Kim N, Seo SU, Kim KP, Kim KH. PRKCSH contributes to TNFSF resistance by extending IGF1R half-life and activation in lung cancer. Exp Mol Med 2024; 56:192-209. [PMID: 38200153 PMCID: PMC10834952 DOI: 10.1038/s12276-023-01147-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 09/25/2023] [Accepted: 10/23/2023] [Indexed: 01/12/2024] Open
Abstract
Tumor necrosis factor superfamily (TNFSF) resistance contributes to the development and progression of tumors and resistance to various cancer therapies. Tumor-intrinsic alterations involved in the adaptation to the TNFSF response remain largely unknown. Here, we demonstrate that protein kinase C substrate 80K-H (PRKCSH) abundance in lung cancers boosts oncogenic IGF1R activation, leading to TNFSF resistance. PRKCSH abundance is correlated with IGF1R upregulation in lung cancer tissues. Specifically, PRKCSH interacts with IGF1R and extends its half-life. The PRKCSH-IGF1R axis in tumor cells impairs caspase-8 activation, increases Mcl-1 expression, and inhibits caspase-9, leading to an imbalance between cell death and survival. PRKCSH deficiency augmented the antitumor effects of natural killer (NK) cells, representative TNFSF effector cells, in a tumor xenograft IL-2Rg-deficient NOD/SCID (NIG) mouse model. Our data suggest that PRKCSH plays a critical role in TNFSF resistance and may be a potential target to improve the efficacy of NK cell-based cancer therapy.
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Affiliation(s)
- Gu-Choul Shin
- Department of Precision Medicine, School of Medicine, Sungkyunkwan University, Suwon, 16419, Republic of Korea.
- Department of Microbiology, College of Medicine, The Catholic University of Korea, Seoul, 06591, Republic of Korea.
| | - Hyeong Min Lee
- Department of Applied Chemistry, Institute of Natural Science, Global Center for Pharmaceutical Ingredient Materials, Kyung Hee University, Yongin, 446-701, Republic of Korea
- Department of Biomedical Science and Technology, Kyung Hee Medical Science Research Institute, Kyung Hee University, Seoul, 02453, Republic of Korea
| | - Nayeon Kim
- Department of Precision Medicine, School of Medicine, Sungkyunkwan University, Suwon, 16419, Republic of Korea
| | - Sang-Uk Seo
- Department of Microbiology, College of Medicine, The Catholic University of Korea, Seoul, 06591, Republic of Korea
| | - Kwang Pyo Kim
- Department of Applied Chemistry, Institute of Natural Science, Global Center for Pharmaceutical Ingredient Materials, Kyung Hee University, Yongin, 446-701, Republic of Korea
- Department of Biomedical Science and Technology, Kyung Hee Medical Science Research Institute, Kyung Hee University, Seoul, 02453, Republic of Korea
| | - Kyun-Hwan Kim
- Department of Precision Medicine, School of Medicine, Sungkyunkwan University, Suwon, 16419, Republic of Korea.
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Shaikh MAJ, Altamimi ASA, Afzal M, Gupta G, Singla N, Gilhotra R, Almalki WH, Kazmi I, Alzarea SI, Prasher P, Singh SK, Dua K. Unraveling the impact of miR-21 on apoptosis regulation in glioblastoma. Pathol Res Pract 2024; 254:155121. [PMID: 38262269 DOI: 10.1016/j.prp.2024.155121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 01/07/2024] [Accepted: 01/08/2024] [Indexed: 01/25/2024]
Abstract
Glioblastoma is a prevalent form of carcinoma that exhibits a greater incidence rate across diverse demographics globally. Despite extensive global efforts, GBM continues to be a highly lethal disease that is characterized by a grim prognosis. There is a wealth of evidence suggesting that the pathophysiology of GBM is associated with the dysregulation of numerous cellular and molecular processes. The etiology of GBM may involve various cellular and molecular pathways, including EGFR, PDCD4, NF-κB, MAPK, matrix metalloproteinases, STAT, and Akt. MicroRNAs, short non-coding RNA molecules, regulate gene expression and mRNA translation after transcription but before translation to exert control over a wide range of biological functions. Extensive research has consistently demonstrated the upregulation of miRNA-21 in glioma, indicating its involvement in diverse biological pathways that facilitate tumor cell survival. By explaining the intricate interplay between miR-21 and the regulation of apoptosis in GBM, this review has the potential to significantly enhance our comprehension of the illness and provide potential targets for therapeutic intervention.
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Affiliation(s)
| | | | - Muhammad Afzal
- Department of Pharmaceutical Sciences, Pharmacy Program, Batterjee Medical College, P.O. Box 6231, Jeddah 21442, Saudi Arabia
| | - Gaurav Gupta
- Centre for Global Health Research, Saveetha Medical College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, India; School of Pharmacy, Graphic Era Hill University, Dehradun 248007, India; School of Pharmacy, Suresh Gyan Vihar University, Mahal Road, Jagatpura, Jaipur, India.
| | - Neelam Singla
- School of Pharmacy, Suresh Gyan Vihar University, Mahal Road, Jagatpura, Jaipur, India
| | - Ritu Gilhotra
- School of Pharmacy, Suresh Gyan Vihar University, Mahal Road, Jagatpura, Jaipur, India
| | - Waleed Hassan Almalki
- Department of Pharmacology, College of Pharmacy, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Imran Kazmi
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, 21589, Jeddah, Saudi Arabia
| | - Sami I Alzarea
- Department of Pharmacology, College of Pharmacy, Jouf University, 72341, Sakaka, Aljouf, Saudi Arabia
| | - Parteek Prasher
- Department of Chemistry, University of Petroleum & Energy Studies, Energy Acres, Dehradun 248007, India
| | - Sachin Kumar Singh
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab 144411, India; Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, NSW 2007, Australia
| | - Kamal Dua
- Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, NSW 2007, Australia; Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, NSW 2007, Australia
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7
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El-Aarag B, Shalaan ES, Ahmed AAS, El Sayed IET, Ibrahim WM. Cryptolepine Analog Exhibits Antitumor Activity against Ehrlich Ascites Carcinoma Cells in Mice via Targeting Cell Growth, Oxidative Stress, and PTEN/Akt/mTOR Signaling Pathway. Anticancer Agents Med Chem 2024; 24:436-442. [PMID: 38305388 DOI: 10.2174/0118715206274318231128072821] [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: 07/26/2023] [Revised: 10/12/2023] [Accepted: 10/18/2023] [Indexed: 02/03/2024]
Abstract
BACKGROUND The efficacy of chemotherapy continues to be limited due to associated toxicity and chemoresistance. Thus, synthesizing and investigating novel agents for cancer treatment that could potentially eliminate such limitations is imperative. OBJECTIVE The current study aims to explore the anticancer potency of cryptolepine (CPE) analog on Ehrlich ascites carcinoma cells (EACs) in mice. METHODS The effect of a CPE analog on EAC cell viability and ascites volume, as well as malonaldehyde, total antioxidant capacity, and catalase, were estimated. The concentration of caspase-8 and mTOR in EACs was also measured, and the expression levels of PTEN and Akt were determined. RESULTS Results revealed that CPE analog exerts a cytotoxic effect on EAC cell viability and reduces the ascites volume. Moreover, this analog induces oxidative stress in EACs by increasing the level of malonaldehyde and decreasing the level of total antioxidant capacity and catalase activity. It also induces apoptosis by elevating the concentration of caspase-8 in EACs. Furthermore, it decreases the concentration of mTOR in EACs. Moreover, it upregulates the expression of PTEN and downregulates the expression of Akt in EACs. CONCLUSION Our findings showed the anticancer activity of CPE analog against EACs in mice mediated by regulation of the PTEN/Akt/mTOR signaling pathway.
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Affiliation(s)
- Bishoy El-Aarag
- Biochemistry Division, Department of Chemistry, Faculty of Science, Menoufia University, Shebin El-Koom, 32512, Egypt
- Center for Targeted Drug Delivery, Department of Biomedical and Pharmaceutical Sciences, Chapman University School of Pharmacy, Harry and Diane Rinker Health Science Campus, Irvine, CA, 92618, USA
- Division of Chemistry and Biotechnology, Graduate School of Natural Science and Technology, Okayama University, Okayama, 7008530, Japan
| | - Eman S Shalaan
- Biochemistry Division, Department of Chemistry, Faculty of Science, Menoufia University, Shebin El-Koom, 32512, Egypt
| | - Abdullah A S Ahmed
- Department of Chemistry, Faculty of Science, Menoufia University, Shebin El-Koom, Egypt
| | | | - Wafaa M Ibrahim
- Department of Medical Biochemistry, Faculty of Medicine, Tanta University, Tanta, Egypt
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8
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Pandeya A, Kanneganti TD. Therapeutic potential of PANoptosis: innate sensors, inflammasomes, and RIPKs in PANoptosomes. Trends Mol Med 2024; 30:74-88. [PMID: 37977994 PMCID: PMC10842719 DOI: 10.1016/j.molmed.2023.10.001] [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: 08/09/2023] [Revised: 09/20/2023] [Accepted: 10/04/2023] [Indexed: 11/19/2023]
Abstract
The innate immune system initiates cell death pathways in response to pathogens and cellular stress. Cell death can be either non-lytic (apoptosis) or lytic (PANoptosis, pyroptosis, and necroptosis). PANoptosis has been identified as an inflammatory, lytic cell death pathway driven by caspases and RIPKs that is regulated by PANoptosome complexes, making it distinct from other cell death pathways. Several PANoptosome complexes (including ZBP1-, AIM2-, RIPK1-, and NLRP12-PANoptosomes) have been characterized to date. Furthermore, PANoptosis is implicated in infectious and inflammatory diseases, cancers, and homeostatic perturbations. Therefore, targeting its molecular components offers significant potential for therapeutic development. This review covers PANoptosomes and their assembly, PANoptosome-mediated cell death mechanisms, and ongoing progress in developing therapeutics that target PANoptosis.
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Affiliation(s)
- Ankit Pandeya
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
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9
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Scholl S, Roufai DB, Chérif LL, Kamal M. RAIDS atlas of significant genetic and protein biomarkers in cervical cancer. J Gynecol Oncol 2023; 34:e74. [PMID: 37668079 PMCID: PMC10482580 DOI: 10.3802/jgo.2023.34.e74] [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: 12/14/2022] [Revised: 04/07/2023] [Accepted: 06/20/2023] [Indexed: 09/06/2023] Open
Abstract
Loss of function in epigenetic acting genes together with driver alterations in the PIK3CA pathway have been shown significantly associated with poor outcome in cervical squamous cell cancer. More recently, a CoxBoost analysis identified 16 gene alterations and 30 high level activated proteins to be of high interest, due to their association with either good or bad outcome, in the context of treatment received by chemoradiation. The objectives here were to review and confirm the significance of these molecular alterations as suggested by literature reports and to pinpoint alternate treatments options for poor-responders to chemoradiation.
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Affiliation(s)
- Suzy Scholl
- Department of Drug Development and Innovation (D3i), Institut Curie, Paris, France
- Department of Drug Development and Innovation (D3i), Institut Curie, Saint-Cloud, France.
| | | | - Linda Larbi Chérif
- Department of Drug Development and Innovation (D3i), Institut Curie, Paris, France
- Department of Drug Development and Innovation (D3i), Institut Curie, Saint-Cloud, France
| | - Maud Kamal
- Department of Drug Development and Innovation (D3i), Institut Curie, Paris, France
- Department of Drug Development and Innovation (D3i), Institut Curie, Saint-Cloud, France
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Varela K, Arman HD, Berger MS, Sponsel VM, Lin CHA, Yoshimoto FK. Inhibition of Cysteine Proteases via Thiol-Michael Addition Explains the Anti-SARS-CoV-2 and Bioactive Properties of Arteannuin B. JOURNAL OF NATURAL PRODUCTS 2023; 86:1654-1666. [PMID: 37458412 DOI: 10.1021/acs.jnatprod.2c01146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/29/2023]
Abstract
Artemisia annua is the plant that produces artemisinin, an endoperoxide-containing sesquiterpenoid used for the treatment of malaria. A. annua extracts, which contain other bioactive compounds, have been used to treat other diseases, including cancer and COVID-19, the disease caused by the virus SARS-CoV-2. In this study, a methyl ester derivative of arteannuin B was isolated when A. annua leaves were extracted with a 1:1 mixture of methanol and dichloromethane. This methyl ester was thought to be formed from the reaction between arteannuin B and the extracting solvent, which was supported by the fact that arteannuin B underwent 1,2-addition when it was dissolved in deuteromethanol. In contrast, in the presence of N-acetylcysteine methyl ester, a 1,4-addition (thiol-Michael reaction) occurred. Arteannuin B hindered the activity of the SARS CoV-2 main protease (nonstructural protein 5, NSP5), a cysteine protease, through time-dependent inhibition. The active site cysteine residue of NSP5 (cysteine-145) formed a covalent bond with arteannuin B as determined by mass spectrometry. In order to determine whether cysteine adduction by arteannuin B can inhibit the development of cancer cells, similar experiments were performed with caspase-8, the cysteine protease enzyme overexpressed in glioblastoma. Time-dependent inhibition and cysteine adduction assays suggested arteannuin B inhibits caspase-8 and adducts to the active site cysteine residue (cysteine-360), respectively. Overall, these results enhance our understanding of how A. annua possesses antiviral and cytotoxic activities.
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Affiliation(s)
- Kaitlyn Varela
- Department of Chemistry, The University of Texas at San Antonio (UTSA), San Antonio, Texas 78249, United States
| | - Hadi D Arman
- Department of Chemistry, The University of Texas at San Antonio (UTSA), San Antonio, Texas 78249, United States
| | - Mitchel S Berger
- Department of Neurological Surgery, University of California at San Francisco, San Francisco, California 94122, United States
| | - Valerie M Sponsel
- Department of Integrative Biology, The University of Texas at San Antonio (UTSA), San Antonio, Texas 78249, United States
| | - Chin-Hsing Annie Lin
- Department of Integrative Biology, The University of Texas at San Antonio (UTSA), San Antonio, Texas 78249, United States
| | - Francis K Yoshimoto
- Department of Chemistry, The University of Texas at San Antonio (UTSA), San Antonio, Texas 78249, United States
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11
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Messeha SS, Noel S, Zarmouh NO, Womble T, Latinwo LM, Soliman KFA. Involvement of AKT/PI3K Pathway in Sanguinarine's Induced Apoptosis and Cell Cycle Arrest in Triple-negative Breast Cancer Cells. Cancer Genomics Proteomics 2023; 20:323-342. [PMID: 37400144 PMCID: PMC10320563 DOI: 10.21873/cgp.20385] [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: 02/12/2023] [Revised: 03/27/2023] [Accepted: 04/05/2023] [Indexed: 07/05/2023] Open
Abstract
BACKGROUND/AIM Chemotherapy resistance in triple-negative breast cancer (TNBC) cells is well documented. Therefore, it is necessary to develop safer and more effective therapeutic agents to enhance the outcomes of chemotherapeutic agents. The natural alkaloid sanguinarine (SANG) has demonstrated therapeutic synergy when coupled with chemotherapeutic agents. SANG can also induce cell cycle arrest and trigger apoptosis in various cancer cells. MATERIALS AND METHODS In this study, we investigated the molecular mechanism underlying SANG activity in MDA-MB-231 and MDA-MB-468 cells as two genetically different models of TNBC. We employed various assays including Alamar Blue to measure the effect of SANG on cell viability and proliferation rate, flow cytometry analysis to study the potential of the compound to induce apoptosis and cell cycle arrest, quantitative qRT PCR apoptosis array to measure the expression of different genes mediating apoptosis, and the western system was used to analyze the impact of the compound on AKT protein expression. RESULTS SANG lowered cell viability and disrupted cell cycle progression in both cell lines. Furthermore, S-phase cell cycle arrest-mediated apoptosis was found to be the primary contributor to cell growth inhibition in MDA-MB-231 cells. SANG-treated TNBC cells showed significantly up-regulated mRNA expression of 18 genes associated with apoptosis, including eight TNF receptor superfamily (TNFRSF), three members of the BCL2 family, and two members of the caspase (CASP) family in MDA-MB-468 cells. In MDA-MB-231 cells, two members of the TNF superfamily and four members of the BCL2 family were affected. The western study data showed the inhibition of AKT protein expression in both cell lines concurrent with up-regulated BCL2L11 gene. Our results point to the AKT/PI3K signaling pathway as one of the key mechanisms behind SANG-induced cell cycle arrest and death. CONCLUSION SANG shows anticancer properties and apoptosis-related gene expression changes in the two TNBC cell lines and suggests AKT/PI3K pathway implication in apoptosis induction and cell cycle arrest. Thus, we propose SANG's potential as a solitary or supplementary treatment agent against TNBC.
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Affiliation(s)
- Samia S Messeha
- Division of Pharmaceutical Sciences, College of Pharmacy & Pharmaceutical Sciences, Institute of Public Health, Florida A&M University, Tallahassee, FL, U.S.A
- Department of Biology, College of Science and Technology, Florida A&M University, Tallahassee, FL, U.S.A
| | - Sophie Noel
- Division of Pharmaceutical Sciences, College of Pharmacy & Pharmaceutical Sciences, Institute of Public Health, Florida A&M University, Tallahassee, FL, U.S.A
- Department of Biology, College of Science and Technology, Florida A&M University, Tallahassee, FL, U.S.A
| | - Najla O Zarmouh
- Faculty of Medical Technology-Misrata, Libyan Ministry of Technical & Vocational Education, Misrata, Libya
| | - Tracy Womble
- Division of Pharmaceutical Sciences, College of Pharmacy & Pharmaceutical Sciences, Institute of Public Health, Florida A&M University, Tallahassee, FL, U.S.A
| | - Lekan M Latinwo
- Department of Biology, College of Science and Technology, Florida A&M University, Tallahassee, FL, U.S.A
| | - Karam F A Soliman
- Division of Pharmaceutical Sciences, College of Pharmacy & Pharmaceutical Sciences, Institute of Public Health, Florida A&M University, Tallahassee, FL, U.S.A.;
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12
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Contadini C, Ferri A, Cirotti C, Stupack D, Barilà D. Caspase-8 and Tyrosine Kinases: A Dangerous Liaison in Cancer. Cancers (Basel) 2023; 15:3271. [PMID: 37444381 DOI: 10.3390/cancers15133271] [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: 05/26/2023] [Revised: 06/15/2023] [Accepted: 06/16/2023] [Indexed: 07/15/2023] Open
Abstract
Caspase-8 is a cysteine-aspartic acid protease that has been identified as an initiator caspase that plays an essential role in the extrinsic apoptotic pathway. Evasion of apoptosis is a hallmark of cancer and Caspase-8 expression is silenced in some tumors, consistent with its central role in apoptosis. However, in the past years, several studies reported an increased expression of Caspase-8 levels in many tumors and consistently identified novel "non-canonical" non-apoptotic functions of Caspase-8 that overall promote cancer progression and sustain therapy resistance. These reports point to the ability of cancer cells to rewire Caspase-8 function in cancer and raise the question of which are the signaling pathways aberrantly activated in cancer that may contribute to the hijack of Caspase-8 activity. In this regard, tyrosine kinases are among the first oncogenes ever identified and genomic, transcriptomic and proteomic studies indeed show that they represent a class of signaling molecules constitutively activated in most of the tumors. Here, we aim to review and discuss the role of Caspase-8 in cancer and its interplay with Src and other tyrosine kinases.
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Affiliation(s)
- Claudia Contadini
- Laboratory of Cell Signaling, IRCCS-Fondazione Santa Lucia, 00179 Rome, Italy
- Department of Biology, University of Rome "Tor Vergata", 00133 Rome, Italy
| | - Alessandra Ferri
- Department of Pathology and Laboratory Medicine, New York Presbyterian Hospital, Weill Cornell Medicine, New York, NY 10021, USA
| | - Claudia Cirotti
- Laboratory of Cell Signaling, IRCCS-Fondazione Santa Lucia, 00179 Rome, Italy
- Department of Biology, University of Rome "Tor Vergata", 00133 Rome, Italy
| | - Dwayne Stupack
- Moores Cancer Center, University of California San Diego, 3855 Health Sciences Drive, La Jolla, CA 92093-0803, USA
| | - Daniela Barilà
- Laboratory of Cell Signaling, IRCCS-Fondazione Santa Lucia, 00179 Rome, Italy
- Department of Biology, University of Rome "Tor Vergata", 00133 Rome, Italy
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13
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Tan L, Liu S, Li X, He J, He L, Li Y, Yang C, Li Y, Hua Y, Guo J. The Large Molecular Weight Polysaccharide from Wild Cordyceps and Its Antitumor Activity on H22 Tumor-Bearing Mice. Molecules 2023; 28:molecules28083351. [PMID: 37110586 PMCID: PMC10141569 DOI: 10.3390/molecules28083351] [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: 03/17/2023] [Revised: 04/05/2023] [Accepted: 04/06/2023] [Indexed: 04/29/2023] Open
Abstract
Cordyceps has anti-cancer effects; however, the bioactive substance and its effect are still unclear. Polysaccharides extracted from Cordyceps sinensis, the fugus of Cordyceps, have been reported to have anti-cancer properties. Thus, we speculated that polysaccharides might be the key anti-tumor active ingredients of Cordyceps because of their larger molecular weight than that of polysaccharides in Cordyceps sinensis. In this study, we aimed to investigate the effects of wild Cordyceps polysaccharides on H22 liver cancer and the underlying mechanism. The structural characteristics of the polysaccharides of WCP were analyzed by high-performance liquid chromatography, high-performance gel-permeation chromatography, Fourier transform infrared spectrophotometry, and scanning electron microscopy. Additionally, H22 tumor-bearing BALB/c mice were used to explore the anti-tumor effect of WCP (100 and 300 mg/kg/d). The mechanism by WCP inhibited H22 tumors was uncovered by the TUNEL assay, flow cytometry, hematoxylin-eosin staining, quantitative reverse transcription-polymerase chain reaction, and Western blotting. Here, our results showed that WCP presented high purity with an average molecular weight of 2.1 × 106 Da and 2.19 × 104 Da. WCP was determined to be composed of mannose, glucose, and galactose. Notably, WCP could inhibit the proliferation of H22 tumors not only by improving immune function, but also by promoting the apoptosis of tumor cells, likely through the IL-10/STAT3/Bcl2 and Cyto-c/Caspase8/3 signaling pathways, in H22 tumor-bearing mice. Particularly, WCP had essentially no side effects compared to 5-FU, a common drug used in the treatment of liver cancer. In conclusion, WCP could be a potential anti-tumor product with strong regulatory effects in H22 liver cancer.
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Affiliation(s)
- Li Tan
- Key Laboratory of Characteristic Chinese Medicine Resources in Southwest China, College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Sijing Liu
- College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Xiaoxing Li
- Key Laboratory of Characteristic Chinese Medicine Resources in Southwest China, College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Jing He
- College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Liying He
- Key Laboratory of Characteristic Chinese Medicine Resources in Southwest China, College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Yang Li
- School of Public Health, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Caixia Yang
- Key Laboratory of Characteristic Chinese Medicine Resources in Southwest China, College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Yong Li
- Key Laboratory of Characteristic Chinese Medicine Resources in Southwest China, College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Yanan Hua
- College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Jinlin Guo
- Key Laboratory of Characteristic Chinese Medicine Resources in Southwest China, College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
- College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
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14
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Varzandeh M, Varshosaz J, Labbaf S, Esmaeil N. Sodium-borohydride exfoliated bismuthene loaded with Mitomycin C for chemo-photo-radiotherapy of triple negative breast cancer. Int J Pharm 2023; 636:122825. [PMID: 36921740 DOI: 10.1016/j.ijpharm.2023.122825] [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: 11/16/2022] [Revised: 03/03/2023] [Accepted: 03/08/2023] [Indexed: 03/14/2023]
Abstract
In current study, a new remotely controlled drug delivery, radio-sensitizing, and photothermal therapy agent based on thioglycolic acid modified bismuth nanosheets is thoroughly evaluated. Bismuth nanosheets were synthesized using sodium borohydride (NaBH4) and Tween 20 through low energy (400 W) sonication within 2 h. The resultant nanosheets were 40-60 nm in size and 1-3 atomic layers in thickness. The morphological and structural characteristics of the nanosheets were studied using transmission electron microscopy, high-resolution transmission electron microscopy, X-ray diffraction, Raman spectroscopy and ultraviolet spectroscopy. The surface of the nanosheets was modified using thioglycolic acid, which resulted in enhanced Mitomycin C loading capacity to 274.35% and circumvented the burst drug release due to the improved electrostatic interactions. At pH 7.4 and 5.0, the drug release was significantly boosted from 45.1 to 69.8%, respectively. Thioglycolic acid modified bismuth nanosheets under 1064 nm laser irradiation possessed photothermal conversion efficiency of η=51.4% enabling a temperature rise of 24.9 °C at 100 μg/ml in 5 min. The combination of drug delivery, photothermal therapy, and radio-sensitization greatly damaged the MDA-MB-231 cells through apoptosis and diminished their colony forming.
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Affiliation(s)
- Mohammad Varzandeh
- Department of Materials Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran.
| | - Jaleh Varshosaz
- Department of Pharmaceutics, School of Pharmacy and Novel Drug Delivery Systems Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Sheyda Labbaf
- Department of Materials Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran.
| | - Nafiseh Esmaeil
- Department of Immunology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran.
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15
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Armağan İ, Aşcı H, Erzurumlu Y, Özkula S, Hasseyid N, Kumbul Doğuç D, Okuyucu G, Varel A. Ramelteon and mechanism of its restorative effect in an experimental lung disease model. Toxicol Mech Methods 2023; 33:239-247. [PMID: 36482745 DOI: 10.1080/15376516.2022.2156006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Methotrexate (MTX) is an anticancer agent widely used in clinical practice for various oncological, rheumatological, autoimmune, and inflammatory diseases. However, the side effects of MTX limit its usage for treatment. In addition, diffuse alveolar damage, interstitial pneumonia, fibrosis, and pleural reactions may be encountered in MTX-induced pulmonary toxicity. Ramelteon (RML), a melatonin receptor agonist, has antioxidant, anti-inflammatory, and protective effects are shown by several studies. This study aimed to show the antioxidant, anti-inflammatory, and antiapoptotic effects of RML and its effect on the airway surface liquid volume homeostasis via aquaporins (AQP) in MTX-induced lung injury. Thirty-two female Wistar Albino rats were grouped into four groups as control, MTX (20 mg/kg, intraperitoneally, a single dose), MTX + RML, and RML (10 mg/kg, via oral gavage, for seven days) groups. Once the experiment ended, the rats' lung tissues were taken for biochemical, genetic, histopathological, and immunohistochemical examinations. MTX significantly increased oxidative stress index and total oxidative status, and decreased total antioxidant status levels by 202.0%, 141.4%, 20.2%, respectively, relative to the control (p ˂ 0.001 for all). AQP-1/5, which is an indicator of lung damage, was also found to decrease significantly (p ˂ 0.001). In addition, a significant increase was observed in interleukin-1β, interferon-beta, and caspase-8 expressions and histopathological changes as a result of immunohistochemical and histochemical examinations (p ˂ 0.001). RML treatment ameliorated all these changes and significantly regressed lung damage. Our results suggest that RML might be used as a lung-protective agent in various models of lung and tissue injury.
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Affiliation(s)
- İlkay Armağan
- Department of Histology and Embryology, Faculty of Medicine, Süleyman Demirel University, Isparta, Turkey
| | - Halil Aşcı
- Department of Pharmacology, Faculty of Medicine, Süleyman Demirel University, Isparta, Turkey
| | - Yalçın Erzurumlu
- Department of Biochemistry, Faculty of Pharmacy, Süleyman Demirel University, Isparta, Turkey
| | - Songül Özkula
- Department of Pharmacology, Faculty of Medicine, Süleyman Demirel University, Isparta, Turkey
| | - Nursel Hasseyid
- Department of Pharmacology, Faculty of Medicine, Süleyman Demirel University, Isparta, Turkey
| | - Duygu Kumbul Doğuç
- Department of Biochemistry, Faculty of Medicine, Süleyman Demirel University, Isparta, Turkey
| | - Gözde Okuyucu
- Department of Pathology, Faculty of Veterinary Medicine, Burdur Mehmet Akif Ersoy University, Burdur, Turkey
| | - Ahmetcan Varel
- Department of Histology and Embryology, Faculty of Medicine, Süleyman Demirel University, Isparta, Turkey
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16
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Sun P, Wang X, Zhong J, Yu D, Xuan H, Xu T, Song D, Yang C, Wang P, Liu Y, Meng X, Cai J. Development and validation of a pyroptosis-related genes signature for risk stratification in gliomas. Front Genet 2023; 14:1087563. [PMID: 36861130 PMCID: PMC9968976 DOI: 10.3389/fgene.2023.1087563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Accepted: 02/03/2023] [Indexed: 02/16/2023] Open
Abstract
Background: Glioma is a highly heterogeneous disease, causing the prognostic prediction a challenge. Pyroptosis, a programmed cell death mediated by gasdermin (GSDM), is characterized by cell swelling and the release of inflammatory factors. Pyroptosis occurs in several types of tumor cells, including gliomas. However, the value of pyroptosis-related genes (PRGs) in the prognosis of glioma remains to be further clarified. Methods: In this study, mRNA expression profiles and clinical data of glioma patients were acquired from TCGA and CGGA databases, and one hundred and eighteen PRGs were obtained from the Molecular Signatures Database and GeneCards. Then, consensus clustering analysis was performed to cluster glioma patients. The least absolute shrinkage and selection operator (LASSO) Cox regression model was used to establish a polygenic signature. Functional verification of the pyroptosis-related gene GSDMD was achieved by gene knockdown and western blotting. Moreover, the immune infiltration status between two different risk groups were analyzed through the "gsva" R package. Results: Our results demonstrated that the majority of PRGs (82.2%) were differentially expressed between lower-grade gliomas (LGG) and glioblastoma (GBM) in the TCGA cohort. In univariate Cox regression analysis, eighty-three PRGs were shown to be associated with overall survival (OS). A five-gene signature was constructed to divide patients into two risk groups. Compared with patients in the low-risk group, patients in the high-risk group had obviously shorter OS (p < 0.001). Also, we found that the high-risk group showed a higher infiltrating score of immune cells and immune-related functions. Risk score was an independent predictor of OS (HR > 1, p < 0.001). Furthermore, knockdown of GSDMD decreased the expression of IL-1β and cleaved caspase-1. Conclusion: Our study constructed a new PRGs signature, which can be used to predict the prognosis of glioma patients. Targeting pyroptosis might serve as a potential therapeutic strategy for glioma.
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Affiliation(s)
| | | | - Junzhe Zhong
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Daohan Yu
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Hanwen Xuan
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Tianye Xu
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Dan Song
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Changxiao Yang
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Pandeng Wang
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Yuxiang Liu
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | | | - Jinquan Cai
- *Correspondence: Jinquan Cai, ; Xiangqi Meng,
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17
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Contadini C, Ferri A, Di Martile M, Cirotti C, Del Bufalo D, De Nicola F, Pallocca M, Fanciulli M, Sacco F, Donninelli G, Capone A, Volpe E, Keller N, Miki S, Kawauchi D, Stupack D, Furnari F, Barilà D. Caspase-8 as a novel mediator linking Src kinase signaling to enhanced glioblastoma malignancy. Cell Death Differ 2023; 30:417-428. [PMID: 36460775 PMCID: PMC9950463 DOI: 10.1038/s41418-022-01093-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: 02/07/2022] [Revised: 10/28/2022] [Accepted: 11/11/2022] [Indexed: 12/03/2022] Open
Abstract
Caspase-8 is a cysteine protease that plays an essential role in apoptosis. Consistently with its canonical proapoptotic function, cancer cells may genetically or epigenetically downregulate its expression. Unexpectedly, Caspase-8 is often retained in cancer, suggesting the presence of alternative mechanisms that may be exploited by cancer cells to their own benefit. In this regard, we reported that Src tyrosine kinase, which is aberrantly activated in many tumors, promotes Caspase-8 phosphorylation on Tyrosine 380 (Y380) preventing its full activation. Here, we investigated the significance of Caspase-8 expression and of its phosphorylation on Y380 in glioblastoma, a brain tumor where both Caspase-8 expression and Src activity are often aberrantly upregulated. Transcriptomic analyses identified inflammatory response as a major target of Caspase-8, and in particular, NFκB signaling as one of the most affected pathways. More importantly, we could show that Src-dependent phosphorylation of Caspase-8 on Y380 drives the assembly of a multiprotein complex that triggers NFκB activation, thereby inducing the expression of inflammatory and pro-angiogenic factors. Remarkably, phosphorylation on Y380 sustains neoangiogenesis and resistance to radiotherapy. In summary, our work identifies a novel interplay between Src kinase and Caspase-8 that allows cancer cells to hijack Caspase-8 to sustain tumor growth.
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Affiliation(s)
- Claudia Contadini
- Department of Biology, University of Rome "Tor Vergata", 00133, Rome, Italy
- Laboratory of Cell Signaling, IRCCS-Fondazione Santa Lucia, 00179, Rome, Italy
| | - Alessandra Ferri
- Department of Biology, University of Rome "Tor Vergata", 00133, Rome, Italy
- Laboratory of Cell Signaling, IRCCS-Fondazione Santa Lucia, 00179, Rome, Italy
| | - Marta Di Martile
- UOSD Preclinical Models and New Therapeutic Agents Unit, IRCCS Regina Elena National Cancer Institute, Rome, Italy
| | - Claudia Cirotti
- Department of Biology, University of Rome "Tor Vergata", 00133, Rome, Italy
- Laboratory of Cell Signaling, IRCCS-Fondazione Santa Lucia, 00179, Rome, Italy
| | - Donatella Del Bufalo
- UOSD Preclinical Models and New Therapeutic Agents Unit, IRCCS Regina Elena National Cancer Institute, Rome, Italy
| | | | - Matteo Pallocca
- UOSD SAFU, IRCCS Regina Elena National Cancer Institute, Rome, Italy
| | | | - Francesca Sacco
- Department of Biology, University of Rome "Tor Vergata", 00133, Rome, Italy
| | - Gloria Donninelli
- Laboratory of Molecular Neuroimmunology, IRCCS-Fondazione Santa Lucia, 00179, Rome, Italy
| | - Alessia Capone
- Laboratory of Molecular Neuroimmunology, IRCCS-Fondazione Santa Lucia, 00179, Rome, Italy
| | - Elisabetta Volpe
- Laboratory of Molecular Neuroimmunology, IRCCS-Fondazione Santa Lucia, 00179, Rome, Italy
| | - Nadine Keller
- University of California San Diego Moores Cancer Center, La Jolla, CA, 92093-0803, USA
| | - Shunichiro Miki
- Department of Medicine, Division of Regenerative Medicine, University of California-San Diego, La Jolla, CA, 92093, USA
| | - Daisuke Kawauchi
- Department of Medicine, Division of Regenerative Medicine, University of California-San Diego, La Jolla, CA, 92093, USA
| | - Dwayne Stupack
- University of California San Diego Moores Cancer Center, La Jolla, CA, 92093-0803, USA
| | - Frank Furnari
- Department of Medicine, Division of Regenerative Medicine, University of California-San Diego, La Jolla, CA, 92093, USA
| | - Daniela Barilà
- Department of Biology, University of Rome "Tor Vergata", 00133, Rome, Italy.
- Laboratory of Cell Signaling, IRCCS-Fondazione Santa Lucia, 00179, Rome, Italy.
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Kuang Y, Jiang B, Zhu H, Zhou Y, Huang H, Li C, Zhang W, Li X, Cao Y. Classification related to immunogenic cell death predicts prognosis, immune microenvironment characteristics, and response to immunotherapy in lower-grade gliomas. Front Immunol 2023; 14:1102094. [PMID: 37153540 PMCID: PMC10154552 DOI: 10.3389/fimmu.2023.1102094] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Accepted: 04/04/2023] [Indexed: 05/09/2023] Open
Abstract
Background Immunogenic cell death (ICD) is a form of cell death that elicits immune responses against the antigens found in dead or dying tumor cells. Growing evidence implies that ICD plays a significant role in triggering antitumor immunity. The prognosis for glioma remains poor despite many biomarkers being reported, and identifying ICD-related biomarkers is imminent for better-personalized management in patients with lower-grade glioma (LGG). Materials and methods We identified ICD-related differentially expressed genes (DEGs) by comparing gene expression profiles obtained across Genotype-Tissue Expression (GTEx) and The Cancer Genome Atlas (TCGA) cohorts. On the foundation of ICD-related DEGs, two ICD-related clusters were identified through consensus clustering. Then, survival analysis, functional enrichment analysis, somatic mutation analysis, and immune characteristics analysis were performed in the two ICD-related subtypes. Additionally, we developed and validated a risk assessment signature for LGG patients. Finally, we selected one gene (EIF2AK3) from the above risk model for experimental validation. Results 32 ICD-related DEGs were screened, dividing the LGG samples from the TCGA database into two distinct subtypes. The ICD-high subgroup showed worse overall survival (OS), greater immune infiltration, more active immune response process, and higher expression levels of HLA genes than the ICD-low subgroup. Additionally, nine ICD-related DEGs were identified to build the prognostic signature, which was highly correlated with the tumor-immune microenvironment and could unambiguously be taken as an independent prognostic factor and further verified in an external dataset. The experimental results indicated that EIF2AK3 expression was higher in tumors than paracancerous tissues, and high-expression EIF2AK3 was enriched in WHO III and IV gliomas by qPCR and IHC, and Knockdown of EIF2AK3 suppressed cell viability and mobility in glioma cells. Conclusion We established novel ICD-related subtypes and risk signature for LGG, which may be beneficial to improving clinical outcome prediction and guiding individualized immunotherapy.
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Affiliation(s)
- Yirui Kuang
- Department of Neurosurgery, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Bincan Jiang
- Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Hecheng Zhu
- Department of Oncology Radiology, Changsha Kexin Cancer Hospital, Changsha, Hunan, China
| | - Yi Zhou
- Department of Neurosurgery, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Haoxuan Huang
- Department of Neurosurgery, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Can Li
- Department of Neurosurgery, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Wenlong Zhang
- Department of Neurosurgery, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Xuewen Li
- Department of Oncology Radiology, Changsha Kexin Cancer Hospital, Changsha, Hunan, China
| | - Yudong Cao
- Department of Neurosurgery, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
- *Correspondence: Yudong Cao,
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19
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Musarra-Pizzo M, Pennisi R, Lombardo D, Velletri T, Sciortino MT. Direct cleavage of caspase-8 by herpes simplex virus 1 tegument protein US11. Sci Rep 2022; 12:12317. [PMID: 35853963 PMCID: PMC9296525 DOI: 10.1038/s41598-022-15942-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 07/01/2022] [Indexed: 11/15/2022] Open
Abstract
The HSV-1 tegument protein Us11 counteracts the antiviral defense mechanisms by precluding the host protein shutoff. Previous works demonstrated that Us11 prevents heat-and staurosporine-induced apoptosis and inhibits autophagy. Therefore, in the present study, we investigated the hypothesis that HSV-1, through Us11, could recruit caspase-8, a key enzyme regulating programmed cell death. We first show that HSV-1 promotes the accumulation of caspase-8-p18 active fragments in both semi permissive THP-1 cells and fully permissive HEp-2 cells to HSV-1 replication. Using a recombinant virus R3630 (ΔUs11/ΔUs12) and a plasmid encoding Us11-recombinant protein we have proven that Us11 promotes p18 accumulation, which does not trigger the apoptotic signaling. Additional, in an in vitro model, we demonstrated that Us11-recombinant protein induces caspase-8-p18 cleavage by physically interacting with the caspase-8 recombinant protein. Finally, we found that, during HSV-1 replication, activated-caspase-8 cleaves Atg3 protein to potentially block autophagy and support its replication.
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Affiliation(s)
- Maria Musarra-Pizzo
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168, Messina, Italy.
| | - Rosamaria Pennisi
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168, Messina, Italy
| | - Daniele Lombardo
- Division of Clinical and Molecular Hepatology, University Hospital 'G. Martino' of Messina, 98124, Messina, Italy
| | - Tania Velletri
- IFOM-Cogentech Società Benefit Srl, via Adamello 16, 20139, Milan, Italy. Local Unit: Scientific and Technological Park of Sicily, 95121 Catania, Italy
| | - Maria Teresa Sciortino
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168, Messina, Italy.
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20
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Yu S, Guo L, Yan B, Yuan Q, Shan L, Zhou L, Efferth T. Tanshinol suppresses osteosarcoma by specifically inducing apoptosis of U2-OS cells through p53-mediated mechanism. JOURNAL OF ETHNOPHARMACOLOGY 2022; 292:115214. [PMID: 35331874 DOI: 10.1016/j.jep.2022.115214] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 03/10/2022] [Accepted: 03/17/2022] [Indexed: 06/14/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Radix Salviae miltiorrhizae (also called Danshen in traditional Chinese medicine) is a famous herbal medicine, which has been frequently used to treat blood stasis syndrome including osteosarcoma (OS) in traditional Chinese medicine. Main components of Danshen have been assumed to exhibit anti-OS capacity. Nevertheless, tanshinol (TS, main component of Danshen)'s efficacy and mechanism in OS hasn't been clearly described ever since. This drew our attention, since OS is the most frequent primary bone carcinomas in children and adolescents, with a high incidence and fatality rate. Unfortunately, chemotherapy for OS has faced many clinical challenges due to the increasing chemoresistance and recurrence. This study was then designed to deeply explore TS's role in OS therapy. AIM OF THE STUDY To explore the anti-OS efficacy and mechanism of TS, we conducted in vivo and in vitro experiments by using a zebrafish xenograft model and U2-OS cells. MATERIALS AND METHODS CCK-8 assay, DAPI and γ-H2A.X immunofluorescence staining, and flow cytometry (apoptosis verification) were employed to determine the anti-proliferative and pro-apoptotic effects of TS. qPCR and Western blot were used to examine TS's molecular actions and mechanism on apoptosis of U2-OS cells. RESULTS The in vivo data showed that TS significantly inhibited U2-OS tumor growth in larval zebrafish from 2 to 20 ng/mL. In vitro data indicated that TS exerted significant anti-proliferative and pro-apoptotic effects on U2-OS cells in a dose-dependent manner. Moreover, TS has no inhibitory effect on bMSCs, suggesting its safety on normal bone-forming cells. Molecular data illustrated that TS obviously activated the p53 signaling-related proteins (p-p53, Bax, CASP3, CASP9) and its upstream JNK (p-JNK, p-c-JUN) and ATM (p-ATM) signaling molecules through phosphorylation and cleavage, followed by up-regulation of the pro-apoptotic genes, NOXA, PUMA, TP53, BAX, and BIM, and down-regulation of Bcl-2 protein. CONCLUSION In sum, TS specifically induced apoptosis of U2-OS cells by activating p53 signaling pathways, indicating TS as a promising candidate for OS treatment.
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Affiliation(s)
- Shihui Yu
- College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, 310053, China; The First Affiliated Hospital, Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Le Guo
- College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, 310053, China; Cell Resource Bank and Integrated Cell Preparation Center of Xiaoshan District, Hangzhou Regional Cell Preparation Center (Shangyu Biotechnology Co., Ltd), Hangzhou, China
| | - Bo Yan
- College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, 310053, China; The First Affiliated Hospital, Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Qiang Yuan
- College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, 310053, China.
| | - Letian Shan
- The First Affiliated Hospital, Zhejiang Chinese Medical University, Hangzhou, 310053, China; Cell Resource Bank and Integrated Cell Preparation Center of Xiaoshan District, Hangzhou Regional Cell Preparation Center (Shangyu Biotechnology Co., Ltd), Hangzhou, China.
| | - Li Zhou
- The First Affiliated Hospital, Zhejiang Chinese Medical University, Hangzhou, 310053, China; Cell Resource Bank and Integrated Cell Preparation Center of Xiaoshan District, Hangzhou Regional Cell Preparation Center (Shangyu Biotechnology Co., Ltd), Hangzhou, China.
| | - Thomas Efferth
- Department of Pharmaceutical Biology, Institute of Pharmacy and Biochemistry, Johannes Gutenberg University, Mainz, Germany
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21
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Patient-level proteomic network prediction by explainable artificial intelligence. NPJ Precis Oncol 2022; 6:35. [PMID: 35672443 PMCID: PMC9174200 DOI: 10.1038/s41698-022-00278-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 04/15/2022] [Indexed: 11/08/2022] Open
Abstract
Understanding the pathological properties of dysregulated protein networks in individual patients’ tumors is the basis for precision therapy. Functional experiments are commonly used, but cover only parts of the oncogenic signaling networks, whereas methods that reconstruct networks from omics data usually only predict average network features across tumors. Here, we show that the explainable AI method layer-wise relevance propagation (LRP) can infer protein interaction networks for individual patients from proteomic profiling data. LRP reconstructs average and individual interaction networks with an AUC of 0.99 and 0.93, respectively, and outperforms state-of-the-art network prediction methods for individual tumors. Using data from The Cancer Proteome Atlas, we identify known and potentially novel oncogenic network features, among which some are cancer-type specific and show only minor variation among patients, while others are present across certain tumor types but differ among individual patients. Our approach may therefore support predictive diagnostics in precision oncology by inferring “patient-level” oncogenic mechanisms.
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22
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Johnson AS, Fadare O. Expression of apoptosis-related proteins in the pathogenesis of endometrial clear cell carcinoma. INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL PATHOLOGY 2022; 15:215-224. [PMID: 35698635 PMCID: PMC9187920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Accepted: 04/02/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND The balance of pro- and anti-apoptotic proteins plays a critical role in the regulation of cell death, and a disruption of this delicate balance may eventuate in carcinogenesis through a net reduction in apoptosis. Numerous chemotherapeutic strategies directly or indirectly target apoptotic pathways. However, a thorough assessment of apoptosis-related proteins has not previously been performed in endometrial clear cell carcinoma (CCC). This study aims to determine the significance of 9 apoptosis-related proteins in the pathogenesis of CCC as compared to non-neoplastic endometrium (NNE), low- and high-grade endometrial endometrioid carcinomas (LG-EEC, HG-EEC), and endometrial serous carcinoma (ESC). MATERIALS AND METHODS Expression of 6 anti-apoptotic proteins (Bcl-2, Bcl-xL, cFLIPL, MCL-1, survivin, NFκB/p65) and three pro-apoptotic proteins (Bax, caspase-3, caspase-8) was assessed by immunohistochemistry on 49 CCC, 37 LG-EEC, 12 HG-ECC, 16 ESC, and 25 NNE in a tissue microarray. Objective IHC scores were assigned by an automated image capture system. Scores were then correlated with clinicopathologic values and each other. RESULTS Most notably, CCC showed significantly reduced expression of cFLIPL relative to ESC, LG-EEC, HG-EEC, and NNE. CCC also showed significantly reduced expression of both Caspase 8 and NF-κB/p65 relative to ESC, HG-EEC, and NNE, but not LG-EEC. Bcl-2 and Bcl-xL showed reduced expression in CCC relative to all groups except ESC for Bcl-2 and NNE for Bcl-xL. There was no significant correlation between the proteins regarding expression levels. Within the CCC group, none of the proteins showed any significant association with patient age, myometrial invasion, final stage, lymphovascular invasion, disease-free or overall survival. CONCLUSION Our analysis of the expression and correlation patterns of a panel of apoptosis-related proteins suggests that the downregulation of cFLIPL in CCC is significant relative to almost all other tissues, NNE, HG-EEC, and ESC. Other proteins, including Caspase 8, NF-κB/p65, Bcl-2 and Bcl-xL may also be significant. The regulation of apoptosis-related proteins in CCC may be important and may provide insight into chemoresistance in this enigmatic histotype. However, the paradoxical downregulation of both pro- and anti-apoptotic mediators suggests that additional study is needed to clarify the role of apoptotic mechanisms in CCC.
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Affiliation(s)
- Adam S Johnson
- Department of Pathology, Vanderbilt University Medical CenterNashville, TN, USA
| | - Oluwole Fadare
- Department of Pathology, University of California San DiegoSan Diego, CA, USA
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Yang Y, Miao L, Chang S, Zhang Q, Yu L, He P, Zhang Y, Fan W, Liu J, Hao X. Exosome-Derived LncRNA TCONS_00072128 Mediated Osteogenic Differentiation and Inflammation by Caspase 8 Regulation. Front Genet 2022; 12:831420. [PMID: 35308164 PMCID: PMC8929336 DOI: 10.3389/fgene.2021.831420] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 12/24/2021] [Indexed: 12/17/2022] Open
Abstract
Postmenopausal osteoporosis (PMOP) is a systemic metabolic bone disease in postmenopausal women. It has been known that long non-coding RNAs (lncRNAs) play a regulatory role in the progression of osteoporosis. However, the mechanism underlying the effects of exosome-derived lncRNA on regulating the occurrence and development of PMOP remains unclear. Exosomes in the serum of patients PMOP were collected and identified. RNA sequencing was performed to obtain the expression profile of exosome-derived lncRNAs in the serum of PMOP patients. RNA sequencing identified 26 differentially expressed lncRNAs from the exosomes between healthy people and PMOP patients. Among them, the expression of TCONS_00072128 was dramatically down-regulated. A co-location method was employed and searched its potential target gene caspase 8. TCONS_00072128 knockdown notably decreased the expression of caspase 8, while the osteogenic differentiation of BMSCs was also reduced. Reversely, TCONS_00072128 overexpression enhanced caspase 8 expression and osteogenic differentiation of BMSCs. Moreover, the continuous expression of caspase 8 regulated by TCONS_00072128 significantly activated inflammation pathways including NLRP3 signaling and NF-κB signaling. Simultaneously, RIPK1 which has emerged as a promising therapeutic target for the treatment of a wide range of human neurodegenerative, autoimmune, and inflammatory diseases, was also phosphorylated. The results of the present study suggested that exosome-derived lncRNA TCONS_00072128 could promote the progression of PMOP by regulating caspase 8. In addition, caspase 8 expression in BMSCs was possible to be a key regulator that balanced cell differentiation and inflammation activation.
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Affiliation(s)
- Yongchang Yang
- Institute of Laboratory Medicine Center of Chinese People’s Liberation Army (PLA), Xijing Hospital, Fourth Military Medical University (Air Force Medical University), Xi’an, China
- Department of Clinical Laboratory, Seventh Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Li Miao
- Department of Stomatology, Seventh Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Shuai Chang
- Department of Clinical Laboratory, Seventh Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Qiuli Zhang
- Department of Blood Transfusion, Seventh Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Lijuan Yu
- Institute of Laboratory Medicine Center of Chinese People’s Liberation Army (PLA), Xijing Hospital, Fourth Military Medical University (Air Force Medical University), Xi’an, China
- Department of Clinical Laboratory Medicine, Xijing Hospital, Fourth Military Medical University (Air Force Medical University), Xi’an, China
| | - Ping He
- BMD Testing Room, Department of Orthopedic, Seventh Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Yue Zhang
- Institute of Laboratory Medicine Center of Chinese People’s Liberation Army (PLA), Xijing Hospital, Fourth Military Medical University (Air Force Medical University), Xi’an, China
- Department of Clinical Laboratory, Air Force Hospital in the Northern Theater Command, Shenyang, China
| | - Weixiao Fan
- Institute of Laboratory Medicine Center of Chinese People’s Liberation Army (PLA), Xijing Hospital, Fourth Military Medical University (Air Force Medical University), Xi’an, China
- Department of Clinical Laboratory Medicine, Xijing Hospital, Fourth Military Medical University (Air Force Medical University), Xi’an, China
| | - Jie Liu
- Department of Clinical Laboratory, Seventh Medical Center of Chinese PLA General Hospital, Beijing, China
- *Correspondence: Xiaoke Hao, ; Jie Liu,
| | - Xiaoke Hao
- Institute of Laboratory Medicine Center of Chinese People’s Liberation Army (PLA), Xijing Hospital, Fourth Military Medical University (Air Force Medical University), Xi’an, China
- Department of Clinical Laboratory Medicine, Xijing Hospital, Fourth Military Medical University (Air Force Medical University), Xi’an, China
- College of Medicine, Northwest University, Xi’an, China
- *Correspondence: Xiaoke Hao, ; Jie Liu,
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24
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Tang S, Xu B, Li J, Zhong M, Hong Z, Zhao W, Zeng T, He X. Ozone induces BEL7402 cell apoptosis by increasing reactive oxygen species production and activating JNK. ANNALS OF TRANSLATIONAL MEDICINE 2021; 9:1257. [PMID: 34532394 PMCID: PMC8421928 DOI: 10.21037/atm-21-3233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 07/14/2021] [Indexed: 11/22/2022]
Abstract
Background Oxidative stress is an important factor in the modulation of both tumorigenesis and anticancer responses. Ozone (O3) is a strong oxidant that causes redox reactions and exerts anticancer effects in various types of cancer cells. However, the pathways involved in O3-induced cell death are not well understood. Methods In vitro human hepatocellular carcinoma (HCC) BEL7402 cells were treated with various O3 concentrations to evaluate O3 cytotoxicity by Cell Counting Kit-8 (CCK-8) assay and flow cytometry. The regulatory mechanisms were analyzed by western blot analysis. In vivo, an HCC model was established to evaluate the inhibition of HCC with O3 treatment. Results In vitro cells treated with O3 exhibited a round and small morphology with nuclear shrinkage and fragmentation. The CCK-8 assay confirmed the potent cytotoxic activity of O3 against BEL7402 cells (IC50 value of 5 µg/mL). Acridine orange/ethidium bromide (AO/EB) staining revealed apoptosis of BEL7402 cells after O3 treatment. Flow cytometry analysis showed that S phase cell cycle arrest and apoptosis increased with O3 exposure. In addition, O3 exposure reduced the mitochondrial membrane potential (ΔΨm) and induced reactive oxygen species (ROS) accumulation. Western blot analysis showed that O3 exposure reduced B-cell lymphoma 2 (BCL-2) expression and increased cleaved poly ADP-ribose polymerase (PARP), cytochrome C (Cyt-C), caspase-3, caspase-9, and p-JNK expression. In vivo, treatment with intratumor injection O3 (20 µg/mL) inhibited HCC growth. Conclusions Overall, our findings showed that O3 induces BEL7402 cell apoptosis via the intrinsic mitochondria-dependent pathway. Therefore, O3 has therapeutic potential for HCC.
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Affiliation(s)
- Shuiying Tang
- Division of Vascular and Interventional Radiology, Department of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Bihong Xu
- Interventional Radiology and Pathology, Nanfang Hospital, Department of Pathology, Southern Medical University, Guangzhou, China
| | - Jincheng Li
- Division of Vascular and Interventional Radiology, Department of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Meifeng Zhong
- Laboratory Medicine Center, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Ziyang Hong
- Laboratory Medicine Center, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Wei Zhao
- Division of Vascular and Interventional Radiology, Department of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Tao Zeng
- Laboratory Medicine Center, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Xiaofeng He
- Division of Vascular and Interventional Radiology, Department of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
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25
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Mnich K, Koryga I, Pakos-Zebrucka K, Thomas M, Logue SE, Eriksson LA, Gorman AM, Samali A. The stressosome, a caspase-8-activating signalling complex assembled in response to cell stress in an ATG5-mediated manner. J Cell Mol Med 2021; 25:8809-8820. [PMID: 34363313 PMCID: PMC8435408 DOI: 10.1111/jcmm.16840] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Revised: 07/20/2021] [Accepted: 07/22/2021] [Indexed: 11/29/2022] Open
Abstract
Stress-induced apoptosis is mediated primarily through the intrinsic pathway that involves caspase-9. We previously reported that in caspase-9-deficient cells, a protein complex containing ATG5 and Fas-associated death domain (FADD) facilitated caspase-8 activation and cell death in response to endoplasmic reticulum (ER) stress. Here, we investigated whether this complex could be activated by other forms of cell stress. We show that diverse stress stimuli, including etoposide, brefeldin A and paclitaxel, as well as heat stress and gamma-irradiation, caused formation of a complex containing ATG5-ATG12, FADD and caspase-8 leading to activation of downstream caspases in caspase-9-deficient cells. We termed this complex the 'stressosome'. However, in these cells, only ER stress and heat shock led to stressosome-dependent cell death. Using in silico molecular modelling, we propose the structure of the stressosome complex, with FADD acting as an adaptor protein, interacting with pro-caspase-8 through their respective death effector domains (DEDs) and interacting with ATG5-ATG12 through its death domain (DD). This suggests that the complex could be regulated by cellular FADD-like interleukin-1β-converting enzyme-inhibitory protein (cFLIPL ), which was confirmed experimentally. This study provides strong evidence for an alternative mechanism of caspase-8 activation involving the stressosome complex.
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Affiliation(s)
- Katarzyna Mnich
- Apoptosis Research Centre, NUI Galway, Galway, Ireland.,School of Natural Sciences, NUI Galway, Galway, Ireland.,CÚRAM SFI Research Centre for Medical Devices, NUI Galway, Galway, Ireland
| | - Izabela Koryga
- Apoptosis Research Centre, NUI Galway, Galway, Ireland.,School of Natural Sciences, NUI Galway, Galway, Ireland.,CÚRAM SFI Research Centre for Medical Devices, NUI Galway, Galway, Ireland
| | - Karolina Pakos-Zebrucka
- Apoptosis Research Centre, NUI Galway, Galway, Ireland.,School of Natural Sciences, NUI Galway, Galway, Ireland.,CÚRAM SFI Research Centre for Medical Devices, NUI Galway, Galway, Ireland
| | - Melissa Thomas
- Department of Chemistry and Molecular Biology, University of Gothenburg, Göteborg, Sweden
| | - Susan E Logue
- Apoptosis Research Centre, NUI Galway, Galway, Ireland.,School of Natural Sciences, NUI Galway, Galway, Ireland.,Department of Human Anatomy and Cell Science, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, MB, Canada.,Research Institute in Oncology and Hematology, Cancer Care Manitoba, Winnipeg, MB, Canada
| | - Leif A Eriksson
- Department of Chemistry and Molecular Biology, University of Gothenburg, Göteborg, Sweden
| | - Adrienne M Gorman
- Apoptosis Research Centre, NUI Galway, Galway, Ireland.,School of Natural Sciences, NUI Galway, Galway, Ireland.,CÚRAM SFI Research Centre for Medical Devices, NUI Galway, Galway, Ireland
| | - Afshin Samali
- Apoptosis Research Centre, NUI Galway, Galway, Ireland.,School of Natural Sciences, NUI Galway, Galway, Ireland.,CÚRAM SFI Research Centre for Medical Devices, NUI Galway, Galway, Ireland
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Zhou J, Zhang F, Chen J, Zhang S, Wang H. Chlorogenic Acid Inhibits Human Glioma U373 Cell Progression via Regulating the SRC/MAPKs Signal Pathway: Based on Network Pharmacology Analysis. Drug Des Devel Ther 2021; 15:1369-1383. [PMID: 33833498 PMCID: PMC8020054 DOI: 10.2147/dddt.s296862] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Accepted: 03/03/2021] [Indexed: 12/23/2022] Open
Abstract
INTRODUCTION Chlorogenic acid (CGA) is a type of polyphenolic substance that is widely extracted from many traditional Chinese medicines (eg, Lonicera japonica Thunb, Eucommia ulmoides Oliver) and exhibits a wide range of anti-tumor effects. However, the potential molecular mechanisms of CGA in glioma U373 cells remain unclear. METHODS Network pharmacology analysis was used to explore the potential therapeutic targets of CGA in glioma. Human glioma U373 cells were treated with different concentrations of CGA for 24 h. CCK-8 assays were used to detect the inhibitory rate of cell growth. Annexin V-FITC/PI staining and Hoechst 33342 staining were used to detect apoptosis. PI staining was used to investigate cell-cycle progression. Wound healing assays and transwell assays were used to detect the cell migration and invasion, respectively. Western blotting and immunohistochemistry were used to measure protein levels in vitro and in vivo. RESULTS The proliferation of U373 cells was significantly inhibited by CGA in a dose- and time-dependent manner. CGA significantly arrested the cell cycle of U373 cells in the G2/M phase and induced apoptosis. Moreover, CGA significantly suppressed the migration and invasion of U373 cells. Additionally, we found that CGA inhibited the growth of U373 cells in vivo. Furthermore, network pharmacology analysis suggested that the anti-tumor effects of CGA on U373 cells were associated with the down-regulation of the SRC/MAPKs signaling pathway. DISCUSSION The present study indicated that CGA had anti-glioma effects on U373 cells by down-regulating SRC/MAPKs signal pathway.
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Affiliation(s)
- Jiabin Zhou
- Department of Neurosurgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People’s Republic of China
| | - Fengqi Zhang
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, 410008, People’s Republic of China
| | - Jun Chen
- Department of Neurosurgery, Traditional Chinese Hospital of LuAn, LuAn, Anhui Province, 237006, People’s Republic of China
| | - Shilin Zhang
- Aviation Medical Support Center, Naval Aviation University of Chinese People’s Liberation Army, Yantai, Shandong Province, 264001, People’s Republic of China
| | - Haijun Wang
- Department of Neurosurgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People’s Republic of China
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The role of caspase-8 in the tumor microenvironment of ovarian cancer. Cancer Metastasis Rev 2020; 40:303-318. [PMID: 33026575 PMCID: PMC7897206 DOI: 10.1007/s10555-020-09935-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Accepted: 09/23/2020] [Indexed: 12/17/2022]
Abstract
Caspase-8 is an aspartate-specific cysteine protease, which is best known for its apoptotic functions. Caspase-8 is placed at central nodes of multiple signal pathways, regulating not only the cell cycle but also the invasive and metastatic cell behavior, the immune cell homeostasis and cytokine production, which are the two major components of the tumor microenvironment (TME). Ovarian cancer often has dysregulated caspase-8 expression, leading to imbalance between its apoptotic and non-apoptotic functions within the tumor and the surrounding milieu. The downregulation of caspase-8 in ovarian cancer seems to be linked to high aggressiveness with chronic inflammation, immunoediting, and immune resistance. Caspase-8 plays therefore an essential role not only in the primary tumor cells but also in the TME by regulating the immune response, B and T lymphocyte activation, and macrophage differentiation and polarization. The switch between M1 and M2 macrophages is possibly associated with changes in the caspase-8 expression. In this review, we are discussing the non-apoptotic functions of caspase-8, highlighting this protein as a modulator of the immune response and the cytokine composition in the TME. Considering the low survival rate among ovarian cancer patients, it is urgently necessary to develop new therapeutic strategies to optimize the response to the standard treatment. The TME is highly heterogenous and provides a variety of opportunities for new drug targets. Given the variety of roles of caspase-8 in the TME, we should focus on this protein in the development of new therapeutic strategies against the TME of ovarian cancer.
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28
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Luo Z, Wang B, Chen Y, Liu H, Shi L. Novel CXCR4 Inhibitor CPZ1344 Inhibits the Proliferation, Migration and Angiogenesis of Glioblastoma. Pathol Oncol Res 2020; 26:2597-2604. [PMID: 32632898 DOI: 10.1007/s12253-020-00827-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 05/01/2020] [Accepted: 05/19/2020] [Indexed: 01/30/2023]
Abstract
Glioblastoma (GBM) are life-threatening tumors with a poor prognosis and low cure rates. GBMs are malignant brain tumors that develop from astrocytes. Most GBMs are not inherited and occur sporadically. GBM recurrence after standard treatment has led to the assessment of agents targeting the CXCR4 chemokine receptor as alternative drug target for much needed GBM therapeutics. In present study, a novel CXCR4 inhibitor modified with a picolinamide scaffold (CPZ1344) was designed and synthesized. Its anti-GBM function was then evaluated. Our results showed that CPZ1344 reduced the growth of GBM cells in a concentration dependent manner. The anti-GBM activity of CPZ1344 was due to alteration in GBM-cell morphology and apoptotic induction in GBM cells. CPZ1344 inhibited the migration and angiogenesis of U87 cells, led to cell cycle arrest in the G1 phase and inhibited CXCR4 signaling. These findings demonstrate the anticancer effects of CPZ1344 and its potential as a novel anti-GBM therapeutic.
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Affiliation(s)
- Zhengxiang Luo
- Department of Neurosurgery, Nanjing Brain Hospital Affiliated to Nanjing Medical University, 264 Guangzhou Road, Gulou District, Nanjing, 210029, People's Republic of China
| | - Bin Wang
- Department of Neurosurgery, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, People's Republic of China
| | - Yafang Chen
- Department of Neurosurgery and Pharmacy, Affiliated Kunshan Hospital of Jiangsu University, 91 Qianjin West Road, Kunshan City, Suzhou, Jiangsu, 215300, People's Republic of China
| | - Hongyi Liu
- Department of Neurosurgery, Nanjing Brain Hospital Affiliated to Nanjing Medical University, 264 Guangzhou Road, Gulou District, Nanjing, 210029, People's Republic of China.
| | - Lei Shi
- Department of Neurosurgery and Pharmacy, Affiliated Kunshan Hospital of Jiangsu University, 91 Qianjin West Road, Kunshan City, Suzhou, Jiangsu, 215300, People's Republic of China.
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Cirotti C, Contadini C, Barilà D. SRC Kinase in Glioblastoma News from an Old Acquaintance. Cancers (Basel) 2020; 12:cancers12061558. [PMID: 32545574 PMCID: PMC7352599 DOI: 10.3390/cancers12061558] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 06/05/2020] [Accepted: 06/10/2020] [Indexed: 12/20/2022] Open
Abstract
Glioblastoma multiforme (GBM) is one of the most recalcitrant brain tumors characterized by a tumor microenvironment (TME) that strongly supports GBM growth, aggressiveness, invasiveness, and resistance to therapy. Importantly, a common feature of GBM is the aberrant activation of receptor tyrosine kinases (RTKs) and of their downstream signaling cascade, including the non-receptor tyrosine kinase SRC. SRC is a central downstream intermediate of many RTKs, which triggers the phosphorylation of many substrates, therefore, promoting the regulation of a wide range of different pathways involved in cell survival, adhesion, proliferation, motility, and angiogenesis. In addition to the aforementioned pathways, SRC constitutive activity promotes and sustains inflammation and metabolic reprogramming concurring with TME development, therefore, actively sustaining tumor growth. Here, we aim to provide an updated picture of the molecular pathways that link SRC to these events in GBM. In addition, SRC targeting strategies are discussed in order to highlight strengths and weaknesses of SRC inhibitors in GBM management, focusing our attention on their potentialities in combination with conventional therapeutic approaches (i.e., temozolomide) to ameliorate therapy effectiveness.
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Affiliation(s)
- Claudia Cirotti
- Department of Biology, University of Rome “Tor Vergata”, 00133 Rome, Italy; (C.C.); (C.C.)
- Laboratory of Signal Transduction, IRCCS-Fondazione Santa Lucia, 00179 Rome, Italy
| | - Claudia Contadini
- Department of Biology, University of Rome “Tor Vergata”, 00133 Rome, Italy; (C.C.); (C.C.)
- Laboratory of Signal Transduction, IRCCS-Fondazione Santa Lucia, 00179 Rome, Italy
| | - Daniela Barilà
- Department of Biology, University of Rome “Tor Vergata”, 00133 Rome, Italy; (C.C.); (C.C.)
- Laboratory of Signal Transduction, IRCCS-Fondazione Santa Lucia, 00179 Rome, Italy
- Correspondence: ; Tel.: +39-065-0170-3168
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30
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Wang H, Huang Y. Combination therapy based on nano codelivery for overcoming cancer drug resistance. MEDICINE IN DRUG DISCOVERY 2020. [DOI: 10.1016/j.medidd.2020.100024] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
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31
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Yuan L, Xu ZY, Ruan SM, Mo S, Qin JJ, Cheng XD. Long non-coding RNAs towards precision medicine in gastric cancer: early diagnosis, treatment, and drug resistance. Mol Cancer 2020; 19:96. [PMID: 32460771 PMCID: PMC7251695 DOI: 10.1186/s12943-020-01219-0] [Citation(s) in RCA: 191] [Impact Index Per Article: 47.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Accepted: 05/21/2020] [Indexed: 02/07/2023] Open
Abstract
Gastric cancer is a deadly disease and remains the third leading cause of cancer-related death worldwide. The 5-year overall survival rate of patients with early-stage localized gastric cancer is more than 60%, whereas that of patients with distant metastasis is less than 5%. Surgical resection is the best option for early-stage gastric cancer, while chemotherapy is mainly used in the middle and advanced stages of this disease, despite the frequently reported treatment failure due to chemotherapy resistance. Therefore, there is an unmet medical need for identifying new biomarkers for the early diagnosis and proper management of patients, to achieve the best response to treatment. Long non-coding RNAs (lncRNAs) in body fluids have attracted widespread attention as biomarkers for early screening, diagnosis, treatment, prognosis, and responses to drugs due to the high specificity and sensitivity. In the present review, we focus on the clinical potential of lncRNAs as biomarkers in liquid biopsies in the diagnosis and prognosis of gastric cancer. We also comprehensively discuss the roles of lncRNAs and their molecular mechanisms in gastric cancer chemoresistance as well as their potential as therapeutic targets for gastric cancer precision medicine.
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Affiliation(s)
- Li Yuan
- The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, 310006 China
| | - Zhi-Yuan Xu
- Institute of Cancer and Basic Medicine, Chinese Academy of Sciences, Cancer Hospital of the University of Chinese Academy of Sciences, Zhejiang Cancer Hospital, Banshan Road 1#, Gongshu District, Hangzhou, 310022 China
| | - Shan-Ming Ruan
- The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, 310006 China
| | - Shaowei Mo
- The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, 310006 China
| | - Jiang-Jiang Qin
- Institute of Cancer and Basic Medicine, Chinese Academy of Sciences, Cancer Hospital of the University of Chinese Academy of Sciences, Zhejiang Cancer Hospital, Banshan Road 1#, Gongshu District, Hangzhou, 310022 China
- College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, 548 Binwen Road, Binjiang District, Hangzhou, 310053 China
| | - Xiang-Dong Cheng
- Institute of Cancer and Basic Medicine, Chinese Academy of Sciences, Cancer Hospital of the University of Chinese Academy of Sciences, Zhejiang Cancer Hospital, Banshan Road 1#, Gongshu District, Hangzhou, 310022 China
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Maurya SK, Shadab G, Siddique HR. Chemosensitization of Therapy Resistant Tumors: Targeting Multiple Cell Signaling Pathways by Lupeol, A Pentacyclic Triterpene. Curr Pharm Des 2020; 26:455-465. [DOI: 10.2174/1381612826666200122122804] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2019] [Accepted: 12/13/2019] [Indexed: 12/12/2022]
Abstract
Background:
The resistance of cancer cells to different therapies is one of the major stumbling blocks
for successful cancer treatment. Various natural and pharmaceuticals drugs are unable to control drug-resistance
cancer cell's growth. Also, chemotherapy and radiotherapy have several side effects and cannot apply to the patient
in excess. In this context, chemosensitization to the therapy-resistant cells by non-toxic phytochemicals
could be an excellent alternative to combat therapy-resistant cancers.
Objective:
To review the currently available literature on chemosensitization of therapy resistance cancers by
Lupeol for clinically approved drugs through targeting different cell signaling pathways.
Methods:
We reviewed relevant published articles in PubMed and other search engines from 1999 to 2019 to
write this manuscript. The key words used for the search were “Lupeol and Cancer”, “Lupeol and Chemosensitization”,
“Lupeol and Cell Signaling Pathways”, “Cancer Stem Cells and Lupeol” etc. The published results on the
chemosensitization of Lupeol were compared and discussed.
Results:
Lupeol chemosensitizes drug-resistant cancer cells for clinically approved drugs. Lupeol alone or in
combination with approved drugs inhibits inflammation in different cancer cells through modulation of expression
of IL-6, TNF-α, and IFN-γ. Lupeol, through altering the expression levels of BCL-2, BAX, Survivin, FAS,
Caspases, and PI3K-AKT-mTOR signaling pathway, significantly induce cell deaths among therapy-resistant
cells. Lupeol also modulates the molecules involved in cell cycle regulation such as Cyclins, CDKs, P53, P21,
and PCNA in different cancer types.
Conclusion:
Lupeol chemosensitizes the therapy-resistant cancer cells for the treatment of various clinically
approved drugs via modulating different signaling pathways responsible for chemoresistance cancer. Thus, Lupeol
might be used as an adjuvant molecule along with clinically approved drugs to reduce the toxicity and increase
the effectiveness.
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Affiliation(s)
- Santosh K. Maurya
- Molecular Cancer Genetics & Translational Research Lab, Section of Genetics, Department of Zoology, Aligarh Muslim University, Aligarh-202002, Uttar Pradesh, India
| | - G.G.H.A. Shadab
- Molecular Toxicology & Cytogenetics Lab, Section of Genetics, Department of Zoology, Aligarh Muslim University, Aligarh-202002, Uttar Pradesh, India
| | - Hifzur R. Siddique
- Molecular Cancer Genetics & Translational Research Lab, Section of Genetics, Department of Zoology, Aligarh Muslim University, Aligarh-202002, Uttar Pradesh, India
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Liu W, Chai Y, Hu L, Wang J, Pan X, Yuan H, Zhao Z, Song Y, Zhang Y. Polyphyllin VI Induces Apoptosis and Autophagy via Reactive Oxygen Species Mediated JNK and P38 Activation in Glioma. Onco Targets Ther 2020; 13:2275-2288. [PMID: 32214827 PMCID: PMC7078907 DOI: 10.2147/ott.s243953] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2020] [Accepted: 03/02/2020] [Indexed: 12/16/2022] Open
Abstract
Background Polyphyllin VI (PPVI), a bioactive component derived from a traditional Chinese herb Paris polyphylla, exhibits potential antitumor activity against hepatocellular carcinoma, as well as breast and lung cancers. However, its effect on glioma remains unknown. Methods Five glioma cell lines (U251, U343, LN229, U87 and HEB) and an animal model were employed in the study. Anti-proliferation effects of PPVI were first determined using CCK-8 cell proliferation and clone formation assays, then reactive oxygen species (ROS), cell cycle progression and apoptosis effects measured by flow cytometry. The effect of PPVI on protein expression was quantified by Western blot analysis. Results Data showed that PPVI inhibited the proliferation of glioma cell lines by modulating the G2/M phase. Additionally, incubation of cells with PPVI promoted apoptosis, autophagy, increased accumulation of ROS and activated ROS-modulated JNK and p38 pathways. On the other hand, N-acetyl cysteine, a ROS inhibitor, attenuated PPVI-triggered effects. Furthermore, JNK and p38 inhibitors ameliorated PPVI-triggered autophagy and apoptosis in glioma cells. In vivo assays showed that PPVI inhibited tumor growth of U87 cell line in nude mice. Conclusion Overall, these data suggested that PPVI might be an effective therapeutic agent for glioma.
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Affiliation(s)
- Wei Liu
- School of Clinical Medicine, Tsinghua University, Beijing 10084, People's Republic of China
| | - Yi Chai
- School of Clinical Medicine, Tsinghua University, Beijing 10084, People's Republic of China
| | - Libo Hu
- School of Clinical Medicine, Tsinghua University, Beijing 10084, People's Republic of China
| | - Junhua Wang
- Department of Neurosurgery, Yuquan Hospital, School of Clinical Medicine, Tsinghua University, Beijing 100040, People's Republic of China
| | - Xin Pan
- Department of Neurosurgery, Yuquan Hospital, School of Clinical Medicine, Tsinghua University, Beijing 100040, People's Republic of China
| | - Hongyu Yuan
- State Key Laboratory of Molecular Oncology, National Cancer Center, Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, People's Republic of China
| | - Zitong Zhao
- State Key Laboratory of Molecular Oncology, National Cancer Center, Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, People's Republic of China
| | - Yongmei Song
- State Key Laboratory of Molecular Oncology, National Cancer Center, Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, People's Republic of China
| | - Yuqi Zhang
- School of Clinical Medicine, Tsinghua University, Beijing 10084, People's Republic of China
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Hong Z, Zheng C, Luo B, You X, Bian H, Liang H, Chen Z, Huang F. Two groups of copper II pyridine–triazole complexes with “open or close” pepper rings and their in vitro antitumor activities. RSC Adv 2020; 10:6297-6305. [PMID: 35496028 PMCID: PMC9049676 DOI: 10.1039/c9ra10677d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Accepted: 01/24/2020] [Indexed: 12/15/2022] Open
Abstract
Based on 1,2-dimethoxyphenyl (veratrole, open) and 1,2-methylenedioxyphenyl (pepper ring, close)-derived pyridine–triazole analogues, two groups of copper(ii) complexes, namely, Group I(C1–C3) and Group II(C4–C6) were synthesized and fully characterized. All ligands and complexes were tested in vitro by MTT assays on seven tumour cell lines (T24, Hep-G2, Sk-Ov-3, MGC-803, HeLa, A549 and NCI-H460) and one normal liver cell line (HL-7702). Surprisingly, the pepper-ring-derived complexes (C4–C6) showed significantly enhanced cytotoxicity compared with the 1,2-bimethoxyphenyl ring-derived complexes (C1–C3) and the standard anticancer drug cisplatin. Cellular uptake assays indicated that the Cu accumulation was consistent with cytotoxicity. In addition, flow cytometry and western blot analysis showed that the apoptosis of the leading complex C4 may be induced by the Bcl-2 family-mediated proteins through the mitochondrial dysfunction pathway. Furthermore, UV-vis and fluorescence spectroscopy assays revealed that C4 has stronger insertion-binding interactions with CT-DNA than C1 and the fluorescence of C1 and C4 with BSA is mainly quenched by static quenching. The pepper ring-modified complexes (Group II, C4–C6) exhibited significant antitumor activity than veratrole-modified complexes (Group I, C1–C3) towards several cancer cells with IC50 ranging from 3.45 to 8.59 μM.![]()
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Affiliation(s)
- ZhaoGuo Hong
- State Key State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources
- School of Chemistry & Pharmacy
- Guangxi Normal University
- Guilin 541004
- PR China
| | - Chu Zheng
- State Key State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources
- School of Chemistry & Pharmacy
- Guangxi Normal University
- Guilin 541004
- PR China
| | - Bi Luo
- State Key State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources
- School of Chemistry & Pharmacy
- Guangxi Normal University
- Guilin 541004
- PR China
| | - Xin You
- State Key State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources
- School of Chemistry & Pharmacy
- Guangxi Normal University
- Guilin 541004
- PR China
| | - HeDong Bian
- School of Chemistry and Chemical Engineering
- Guangxi University for Nationalities
- Key Laboratory of Chemistry and Engineering of Forest Products
- Nanning 530008
- PR China
| | - Hong Liang
- State Key State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources
- School of Chemistry & Pharmacy
- Guangxi Normal University
- Guilin 541004
- PR China
| | - ZhenFeng Chen
- State Key State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources
- School of Chemistry & Pharmacy
- Guangxi Normal University
- Guilin 541004
- PR China
| | - FuPing Huang
- State Key State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources
- School of Chemistry & Pharmacy
- Guangxi Normal University
- Guilin 541004
- PR China
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Riganti C, Contino M. New Strategies to Overcome Resistance to Chemotherapy and Immune System in Cancer. Int J Mol Sci 2019; 20:ijms20194783. [PMID: 31561494 PMCID: PMC6801696 DOI: 10.3390/ijms20194783] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 09/24/2019] [Accepted: 09/25/2019] [Indexed: 02/07/2023] Open
Affiliation(s)
- Chiara Riganti
- Department of Oncology, Oncological Pharmacology Lab, University of Torino via Santena 5/bis, 10126 Torino, Italy.
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