1
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Sun X, Ye G, Li J, Yuan L, Bai G, Xu YJ, Zhang J. The tumor suppressor Parkin exerts anticancer effects through regulating mitochondrial GAPDH activity. Oncogene 2024:10.1038/s41388-024-03157-3. [PMID: 39285229 DOI: 10.1038/s41388-024-03157-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Revised: 08/23/2024] [Accepted: 09/03/2024] [Indexed: 09/19/2024]
Abstract
Cancer cells preferentially utilize glycolysis for energy production, and GAPDH is a critical enzyme in glycolysis. Parkin is a tumor suppressor and a key protein involved in mitophagy regulation. However, the tumor suppression mechanism of Parkin has still not been elucidated. In this study, we identified mitochondrial GAPDH as a new substrate of the E3 ubiquitin ligase Parkin, which mediated GAPDH ubiquitination in human cervical cancer. The translocation of GAPDH into mitochondria was driven by the PINK1 kinase, and either PINK1 or GAPDH mutation prevented the accumulation of GAPDH in mitochondria. Parkin caused the ubiquitination of GAPDH at multiple sites (K186, K215, and K219) located within the enzyme-catalyzed binding domain of the GAPDH protein. GAPDH ubiquitination was required for mitophagy, and stimulation of mitophagy suppressed cervical cancer cell growth, indicating that mitophagy serves as a type of cell death. Mechanistically, PHB2 served as a key mediator in GAPDH ubiquitination-induced mitophagy through stabilizing PINK1 protein and GAPDH mutation resulted in the reduced distribution of PHB2 in mitophagic vacuole. In addition, ubiquitination of GAPDH decreased its phosphorylation level and enzyme activity and inhibited the glycolytic pathway in cervical cancer cells. The results of in vivo experiments also showed that the GAPDH mutation increased glycolysis in cervical cancer cells and accelerated tumorigenesis. Thus, we concluded that Parkin may exert its anticancer function by ubiquitinating GAPDH in mitochondria. Taken together, our study further clarified the molecular mechanism of tumor suppression by Parkin through the regulation of energy metabolism, which provides an experimental basis for the development of new drugs for the treatment of human cervical cancer.
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Affiliation(s)
- Xin Sun
- Cancer Center, Department of Medical Oncology, Key Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Key Laboratory for Diagnosis and Treatment of Upper Limb Edema and Stasis of Breast Cancer, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, China
| | - Guiqin Ye
- Department of Clinical Laboratory, Yuhuan People's Hospital, Taizhou, China
| | - Jiuzhou Li
- Department of Neurosurgery, Binzhou People's Hospital, Binzhou, China
| | - Liyang Yuan
- State Key Laboratory of Food Science and Resources, School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Gongxun Bai
- College of Optical and Electronic Technology, China Jiliang University, Hangzhou, China.
| | - Yong-Jiang Xu
- State Key Laboratory of Food Science and Resources, School of Food Science and Technology, Jiangnan University, Wuxi, China.
| | - Jianbin Zhang
- Cancer Center, Department of Medical Oncology, Key Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Key Laboratory for Diagnosis and Treatment of Upper Limb Edema and Stasis of Breast Cancer, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, China.
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2
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Wragg KM, Worley MJ, Deng JC, Salmon M, Goldstein DR. Deficiency in the mitophagy mediator Parkin accelerates murine skin allograft rejection. Am J Transplant 2024:S1600-6135(24)00491-X. [PMID: 39142471 DOI: 10.1016/j.ajt.2024.08.005] [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: 04/03/2024] [Revised: 07/21/2024] [Accepted: 08/07/2024] [Indexed: 08/16/2024]
Abstract
Alterations in mitochondrial function and associated quality control programs, including mitochondrial-specific autophagy, termed mitophagy, are gaining increasing recognition in the context of disease. However, the role of mitophagy in organ transplant rejection remains poorly understood. Using mice deficient in Parkin, a ubiquitin ligase that tags damaged or dysfunctional mitochondria for autophagic clearance, we assessed the impact of Parkin-dependent mitophagy on skin-graft rejection. We observed accelerated graft loss in Parkin-deficient mice across multiple skin graft models. Immune cell distributions posttransplant were largely unperturbed compared to wild-type; however, the CD8+ T cells of Parkin-deficient mice expressed more T-bet, IFNγ, and Ki67, indicating greater priming toward effector function. This was accompanied by increased circulating levels of IL-12p70 in Parkin-deficient mice. Using a mixed leukocyte reaction, we demonstrated that naïve Parkin-deficient CD4+ and CD8+ T cells exhibit enhanced activation marker expression and proliferative responses to alloantigen, which were attenuated with administration of a pharmacological mitophagy inducer (p62-mediated mitophagy inducer), known to increase mitophagy in the absence of a functional PINK1-Parkin pathway. These findings indicate a role for Parkin-dependent mitophagy in curtailing skin-graft rejection.
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Affiliation(s)
- Kathleen M Wragg
- Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - Matthew J Worley
- Pulmonary Division, University of Michigan, Ann Arbor, Michigan, USA
| | - Jane C Deng
- Pulmonary Division, University of Michigan, Ann Arbor, Michigan, USA; Veterans Affairs Ann Arbor, Ann Arbor, Michigan, USA
| | - Morgan Salmon
- Department of Cardiac Surgery, University of Michigan, Ann Arbor, Michigan, USA; Frankel Cardiovascular Center, University of Michigan School of Medicine, Ann Arbor, Michigan, USA.
| | - Daniel R Goldstein
- Frankel Cardiovascular Center, University of Michigan School of Medicine, Ann Arbor, Michigan, USA; Department of Medicine, Cardiology Division, University of Michigan, Ann Arbor, Michigan, USA
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3
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Yang M, Wei X, Yi X, Jiang DS. Mitophagy-related regulated cell death: molecular mechanisms and disease implications. Cell Death Dis 2024; 15:505. [PMID: 39013891 PMCID: PMC11252137 DOI: 10.1038/s41419-024-06804-5] [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: 12/18/2023] [Revised: 05/26/2024] [Accepted: 06/03/2024] [Indexed: 07/18/2024]
Abstract
During oxidative phosphorylation, mitochondria continuously produce reactive oxygen species (ROS), and untimely ROS clearance can subject mitochondria to oxidative stress, ultimately resulting in mitochondrial damage. Mitophagy is essential for maintaining cellular mitochondrial quality control and homeostasis, with activation involving both ubiquitin-dependent and ubiquitin-independent pathways. Over the past decade, numerous studies have indicated that different forms of regulated cell death (RCD) are connected with mitophagy. These diverse forms of RCD have been shown to be regulated by mitophagy and are implicated in the pathogenesis of a variety of diseases, such as tumors, degenerative diseases, and ischemia‒reperfusion injury (IRI). Importantly, targeting mitophagy to regulate RCD has shown excellent therapeutic potential in preclinical trials, and is expected to be an effective strategy for the treatment of related diseases. Here, we present a summary of the role of mitophagy in different forms of RCD, with a focus on potential molecular mechanisms by which mitophagy regulates RCD. We also discuss the implications of mitophagy-related RCD in the context of various diseases.
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Affiliation(s)
- Molin Yang
- Division of Cardiovascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Xiang Wei
- Division of Cardiovascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Key Laboratory of Organ Transplantation, Ministry of Education; NHC Key Laboratory of Organ Transplantation; Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Wuhan, Hubei, China
| | - Xin Yi
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China.
| | - Ding-Sheng Jiang
- Division of Cardiovascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China.
- Key Laboratory of Organ Transplantation, Ministry of Education; NHC Key Laboratory of Organ Transplantation; Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Wuhan, Hubei, China.
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4
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Su Q, Wang JJ, Ren JY, Wu Q, Chen K, Tu KH, Zhang Y, Leong SW, Sarwar A, Han X, Zhang M, Dai WF, Zhang YM. Parkin deficiency promotes liver cancer metastasis by TMEFF1 transcription activation via TGF-β/Smad2/3 pathway. Acta Pharmacol Sin 2024; 45:1520-1529. [PMID: 38519646 PMCID: PMC11192956 DOI: 10.1038/s41401-024-01254-3] [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: 10/23/2023] [Accepted: 02/26/2024] [Indexed: 03/25/2024] Open
Abstract
Parkin (PARK2) deficiency is frequently observed in various cancers and potentially promotes tumor progression. Here, we showed that Parkin expression is downregulated in liver cancer tissues, which correlates with poor patient survival. Parkin deficiency in liver cancer cells promotes migration and metastasis as well as changes in EMT and metastasis markers. A negative correlation exists between TMEFF1 and Parkin expression in liver cancer cells and tumor tissues. Parkin deficiency leads to upregulation of TMEFF1 which promotes migration and metastasis. TMEFF1 transcription is activated by Parkin-induced endogenous TGF-β production and subsequent phosphorylation of Smad2/3 and its binding to TMEFF1 promotor. TGF-β inhibitor and TMEFF1 knockdown can reverse shParkin-induced cell migration and changes of EMT markers. Parkin interacts with and promotes the ubiquitin-dependent degradation of HIF-1α/HIF-1β and p53, which accounts for the suppression of TGF-β production. Our data have revealed that Parkin deficiency in cancer leads to the activation of the TGF-β/Smad2/3 pathway, resulting in the expression of TMEFF1 which promotes cell migration, EMT, and metastasis in liver cancer cells.
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Affiliation(s)
- Qi Su
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Jing-Jing Wang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Jia-Yan Ren
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Qing Wu
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Kun Chen
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Kai-Hui Tu
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Yu Zhang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Sze Wei Leong
- Department of Chemistry, Faculty of Science, Universiti Malaya, 50603, Kuala Lumpur, Malaysia
| | - Ammar Sarwar
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Xu Han
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Mi Zhang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, China
| | - Wei-Feng Dai
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, China
| | - Yan-Min Zhang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China.
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5
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Goldman C, Kareva T, Sarrafha L, Schuldt BR, Sahasrabudhe A, Ahfeldt T, Blanchard JW. Genetically Encoded and Modular SubCellular Organelle Probes (GEM-SCOPe) reveal lysosomal and mitochondrial dysfunction driven by PRKN knockout. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.21.594886. [PMID: 38979135 PMCID: PMC11230217 DOI: 10.1101/2024.05.21.594886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 07/10/2024]
Abstract
Cellular processes including lysosomal and mitochondrial dysfunction are implicated in the development of many diseases. Quantitative visualization of mitochondria and lysosoesl is crucial to understand how these organelles are dysregulated during disease. To address a gap in live-imaging tools, we developed GEM-SCOPe (Genetically Encoded and Modular SubCellular Organelle Probes), a modular toolbox of fluorescent markers designed to inform on localization, distribution, turnover, and oxidative stress of specific organelles. We expressed GEM-SCOPe in differentiated astrocytes and neurons from a human pluripotent stem cell PRKN-knockout model of Parkinson's disease and identified disease-associated changes in proliferation, lysosomal distribution, mitochondrial transport and turnover, and reactive oxygen species. We demonstrate GEM-SCOPe is a powerful panel that provide critical insight into the subcellular mechanisms underlying Parkinson's disease in human cells. GEM-SCOPe can be expanded upon and applied to a diversity of cellular models to glean an understanding of the mechanisms that promote disease onset and progression.
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Affiliation(s)
- Camille Goldman
- Icahn School of Medicine, Mount Sinai, New York, NY, USA
- Nash Family Department of Neuroscience, Mount Sinai, New York, NY, USA
- Friedman Brain Institute, Mount Sinai, New York, NY, USA
- Ronald M. Loeb Center for Alzheimer’s Disease, Mount Sinai, New York, NY USA
- Black Family Stem Cell Institute, Mount Sinai, New York, NY, USA
| | - Tatyana Kareva
- Icahn School of Medicine, Mount Sinai, New York, NY, USA
- Nash Family Department of Neuroscience, Mount Sinai, New York, NY, USA
- Friedman Brain Institute, Mount Sinai, New York, NY, USA
- Ronald M. Loeb Center for Alzheimer’s Disease, Mount Sinai, New York, NY USA
- Black Family Stem Cell Institute, Mount Sinai, New York, NY, USA
| | - Lily Sarrafha
- Icahn School of Medicine, Mount Sinai, New York, NY, USA
- Nash Family Department of Neuroscience, Mount Sinai, New York, NY, USA
- Friedman Brain Institute, Mount Sinai, New York, NY, USA
- Ronald M. Loeb Center for Alzheimer’s Disease, Mount Sinai, New York, NY USA
- Black Family Stem Cell Institute, Mount Sinai, New York, NY, USA
| | - Braxton R. Schuldt
- Icahn School of Medicine, Mount Sinai, New York, NY, USA
- Nash Family Department of Neuroscience, Mount Sinai, New York, NY, USA
- Friedman Brain Institute, Mount Sinai, New York, NY, USA
- Ronald M. Loeb Center for Alzheimer’s Disease, Mount Sinai, New York, NY USA
- Black Family Stem Cell Institute, Mount Sinai, New York, NY, USA
| | - Abhishek Sahasrabudhe
- Icahn School of Medicine, Mount Sinai, New York, NY, USA
- Nash Family Department of Neuroscience, Mount Sinai, New York, NY, USA
- Friedman Brain Institute, Mount Sinai, New York, NY, USA
| | - Tim Ahfeldt
- Icahn School of Medicine, Mount Sinai, New York, NY, USA
- Nash Family Department of Neuroscience, Mount Sinai, New York, NY, USA
- Friedman Brain Institute, Mount Sinai, New York, NY, USA
- Ronald M. Loeb Center for Alzheimer’s Disease, Mount Sinai, New York, NY USA
- Black Family Stem Cell Institute, Mount Sinai, New York, NY, USA
| | - Joel W. Blanchard
- Icahn School of Medicine, Mount Sinai, New York, NY, USA
- Nash Family Department of Neuroscience, Mount Sinai, New York, NY, USA
- Friedman Brain Institute, Mount Sinai, New York, NY, USA
- Ronald M. Loeb Center for Alzheimer’s Disease, Mount Sinai, New York, NY USA
- Black Family Stem Cell Institute, Mount Sinai, New York, NY, USA
- Lead Contact
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6
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Zhang R, Jiang W, Wang G, Zhang Y, Liu W, Li M, Yu J, Yan X, Zhou F, Du W, Qian K, Xiao Y, Liu T, Ju L, Wang X. Parkin inhibits proliferation and migration of bladder cancer via ubiquitinating Catalase. Commun Biol 2024; 7:245. [PMID: 38424181 PMCID: PMC10904755 DOI: 10.1038/s42003-024-05935-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: 06/12/2023] [Accepted: 02/19/2024] [Indexed: 03/02/2024] Open
Abstract
PRKN is a key gene involved in mitophagy in Parkinson's disease. However, recent studies have demonstrated that it also plays a role in the development and metastasis of several types of cancers, both in a mitophagy-dependent and mitophagy-independent manner. Despite this, the potential effects and underlying mechanisms of Parkin on bladder cancer (BLCA) remain unknown. Therefore, in this study, we investigated the expression of Parkin in various BLCA cohorts derived from human. Here we show that PRKN expression was low and that PRKN acts as a tumor suppressor by inhibiting the proliferation and migration of BLCA cells in a mitophagy-independent manner. We further identified Catalase as a binding partner and substrate of Parkin, which is an important antioxidant enzyme that regulates intracellular ROS levels during cancer progression. Our data showed that knockdown of CAT led to increased intracellular ROS levels, which suppressed cell proliferation and migration. Conversely, upregulation of Catalase decreased intracellular ROS levels, promoting cell growth and migration. Importantly, we found that Parkin upregulation partially restored these effects. Moreover, we discovered that USP30, a known Parkin substrate, could deubiquitinate and stabilize Catalase. Overall, our study reveals a novel function of Parkin and identifies a potential therapeutic target in BLCA.
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Affiliation(s)
- Renjie Zhang
- Department of Urology, Laboratory of Precision Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Wenyu Jiang
- Department of Urology, Laboratory of Precision Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Gang Wang
- Department of Biological Repositories, Human Genetic Resources Preservation Center of Hubei Province, Hubei Key Laboratory of Urological Diseases, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Yi Zhang
- Euler Technology, ZGC Life Sciences Park, Beijing, China
- Center for Quantitative Biology, School of Life Sciences, Peking University, Beijing, China
| | - Wei Liu
- Department of Urology, Peking University Aerospace Center Hospital, Beijing, China
| | - Mingxing Li
- Department of Urology, Laboratory of Precision Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Jingtian Yu
- Department of Urology, Laboratory of Precision Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Xin Yan
- Department of Urology, Laboratory of Precision Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Fenfang Zhou
- Department of Radiology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Wenzhi Du
- Department of Urology, Laboratory of Precision Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Kaiyu Qian
- Department of Urology, Laboratory of Precision Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China
- Department of Biological Repositories, Human Genetic Resources Preservation Center of Hubei Province, Hubei Key Laboratory of Urological Diseases, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Yu Xiao
- Department of Urology, Laboratory of Precision Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China
- Department of Biological Repositories, Human Genetic Resources Preservation Center of Hubei Province, Hubei Key Laboratory of Urological Diseases, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Tongzu Liu
- Department of Urology, Laboratory of Precision Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China.
| | - Lingao Ju
- Department of Biological Repositories, Human Genetic Resources Preservation Center of Hubei Province, Hubei Key Laboratory of Urological Diseases, Zhongnan Hospital of Wuhan University, Wuhan, China.
| | - Xinghuan Wang
- Department of Urology, Laboratory of Precision Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China.
- Medical Research Institute, Frontier Science Center for Immunology and Metabolism, Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, China.
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7
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Bednarczyk M, Muc-Wierzgoń M, Dzięgielewska-Gęsiak S, Waniczek D. Relationship between the Ubiquitin-Proteasome System and Autophagy in Colorectal Cancer Tissue. Biomedicines 2023; 11:3011. [PMID: 38002011 PMCID: PMC10669458 DOI: 10.3390/biomedicines11113011] [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: 09/10/2023] [Revised: 10/04/2023] [Accepted: 11/06/2023] [Indexed: 11/26/2023] Open
Abstract
BACKGROUND Dysregulation of the autophagy process via ubiquitin is associated with the occurrence of a number of diseases, including cancer. The present study analyzed the changes in the transcriptional activity of autophagy-related genes and the ubiquitination process (UPS) in colorectal cancer tissue. (2) Methods: The process of measuring the transcriptional activity of autophagy-related genes was analyzed by comparing colorectal cancer samples from four clinical stages I-IV (CS I-IV) of adenocarcinoma to the control (C). The transcriptional activity of genes associated with the UPS pathway was determined via the microarray technique (HG-U133A, Affymetrix). (3) Results: Of the selected genes, only PTEN-induced kinase 1 (PINK1) indicated statistical significance for all groups of colon cancer tissue transcriptome compared to the control. The transcriptional activity of the protein tyrosine phosphatase non-receptor type 22 (PTPN22) gene increased in all stages of the cancer, but the p-value was only less than 0.05 in CSIV vs. C. Forkhead box O1 (FOXO 1) and ubiquitin B (UBB) are statistically overexpressed in CSI. (4) Conclusions: The pathological expression changes in the studied proteins observed especially in the early stages of colorectal cancer suggest that the dysregulation of ubiquitination and autophagy processes occur during early neoplastic transformation. Stopping or slowing down the processes of removal of damaged proteins and their accumulation may contribute to tumor progression and poor prognosis.
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Affiliation(s)
- Martyna Bednarczyk
- Department of Hematology and Cancer Prevention, Medical University of Silesia in Katowice, 40-055 Katowice, Poland;
| | - Małgorzata Muc-Wierzgoń
- Department of Preventive Medicine, Medical University of Silesia in Katowice, 40-055 Katowice, Poland;
| | | | - Dariusz Waniczek
- Department of Surgical Nursing and Propaedeutics of Surgery, Medical University of Silesia in Katowice, 40-055 Katowice, Poland;
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8
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Jiang Y, Ni S, Xiao B, Jia L. Function, mechanism and drug discovery of ubiquitin and ubiquitin-like modification with multiomics profiling for cancer therapy. Acta Pharm Sin B 2023; 13:4341-4372. [PMID: 37969742 PMCID: PMC10638515 DOI: 10.1016/j.apsb.2023.07.019] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 05/21/2023] [Accepted: 07/17/2023] [Indexed: 11/17/2023] Open
Abstract
Ubiquitin (Ub) and ubiquitin-like (Ubl) pathways are critical post-translational modifications that determine whether functional proteins are degraded or activated/inactivated. To date, >600 associated enzymes have been reported that comprise a hierarchical task network (e.g., E1-E2-E3 cascade enzymatic reaction and deubiquitination) to modulate substrates, including enormous oncoproteins and tumor-suppressive proteins. Several strategies, such as classical biochemical approaches, multiomics, and clinical sample analysis, were combined to elucidate the functional relations between these enzymes and tumors. In this regard, the fundamental advances and follow-on drug discoveries have been crucial in providing vital information concerning contemporary translational efforts to tailor individualized treatment by targeting Ub and Ubl pathways. Correspondingly, emphasizing the current progress of Ub-related pathways as therapeutic targets in cancer is deemed essential. In the present review, we summarize and discuss the functions, clinical significance, and regulatory mechanisms of Ub and Ubl pathways in tumorigenesis as well as the current progress of small-molecular drug discovery. In particular, multiomics analyses were integrated to delineate the complexity of Ub and Ubl modifications for cancer therapy. The present review will provide a focused and up-to-date overview for the researchers to pursue further studies regarding the Ub and Ubl pathways targeted anticancer strategies.
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Affiliation(s)
| | | | - Biying Xiao
- Cancer Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China
| | - Lijun Jia
- Cancer Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China
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9
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Yang Y, Wang X, Yan P, Wang D, Luo T, Zhou Y, Chen S, Liu Q, Hou J, Wang P. Transmembrane protein 117 knockdown protects against angiotensin-II-induced cardiac hypertrophy. Hypertens Res 2023; 46:2326-2339. [PMID: 37488300 PMCID: PMC10550824 DOI: 10.1038/s41440-023-01377-w] [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: 10/31/2022] [Revised: 06/25/2023] [Accepted: 06/29/2023] [Indexed: 07/26/2023]
Abstract
Mitochondrial dysfunction plays a critical role in the pathogenesis of pathological cardiac hypertrophy. Transmembrane protein 117 modulate mitochondrial membrane potential that may be involved in the regulation of oxidative stress and mitochondrial function. However, its role in the development of angiotensin II (Ang-II)-induced cardiac hypertrophy is unclear. Cardiac-specific TMEM117-knockout and control mice were subjected to cardiac hypertrophy induced by Ang-II infusion. Small-interfering RNAs against TMEM117 or adenovirus-based plasmids encoding TMEM117 were delivered into left ventricles of mice or incubated with neonatal murine ventricular myocytes (NMVMs) before Ang-II stimulation. We found that TMEM117 was upregulated in hypertrophic hearts and cardiomyocytes and TMEM117 deficiency attenuated Ang-II-induced cardiac hypertrophy in vivo. Consistently, the in vitro data demonstrated that Ang-II-induced cardiomyocyte hypertrophy significantly alleviated by TMEM117 knockdown. Conversely, overexpression of TMEM117 exacerbated cardiac hypertrophy and dysfunction. An Ang II-induced increase in cardiac (cardiomyocyte) oxidative stress was alleviated by cardiac-specific knockout (knockdown) of TMEM117 and was worsened by TMEM117 supplementation (overexpression). In addition, TMEM117 knockout decreased endoplasmic reticulum stress induced by Ang-II, which was reversed by TMEM117 supplementation. Furthermore, TMEM117 deficiency mitigated mitochondrial injury in hypertrophic hearts and cardiomyocyte, which was abolished by TMEM117 supplementation (overexpression). Taken together, these findings suggest that upregulation of TMEM117 contributes to the development of cardiac hypertrophy and the downregulation of TMEM117 may be a new therapeutic strategy for the prevention and treatment of cardiac hypertrophy.
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Affiliation(s)
- Yi Yang
- Department of Cardiology, The First Affiliated Hospital, Chengdu Medical College, Chengdu, 610500, Sichuan, China
- Sichuan Clinical Research Center for Geriatrics, The First Affiliated Hospital, Chengdu Medical College, Chengdu, 610500, Sichuan, China
- Key Laboratory of Aging and Vascular Homeostasis of Sichuan Higher Education Institutes, Chengdu, 610500, Sichuan, China
| | - Xinquan Wang
- Department of Cardiology, The First Affiliated Hospital, Chengdu Medical College, Chengdu, 610500, Sichuan, China
- Sichuan Clinical Research Center for Geriatrics, The First Affiliated Hospital, Chengdu Medical College, Chengdu, 610500, Sichuan, China
- Key Laboratory of Aging and Vascular Homeostasis of Sichuan Higher Education Institutes, Chengdu, 610500, Sichuan, China
| | - Peng Yan
- Department of Cardiology, The First Affiliated Hospital, Chengdu Medical College, Chengdu, 610500, Sichuan, China
- Sichuan Clinical Research Center for Geriatrics, The First Affiliated Hospital, Chengdu Medical College, Chengdu, 610500, Sichuan, China
- Key Laboratory of Aging and Vascular Homeostasis of Sichuan Higher Education Institutes, Chengdu, 610500, Sichuan, China
| | - Dan Wang
- Department of Cardiology, The First Affiliated Hospital, Chengdu Medical College, Chengdu, 610500, Sichuan, China
- Sichuan Clinical Research Center for Geriatrics, The First Affiliated Hospital, Chengdu Medical College, Chengdu, 610500, Sichuan, China
- Key Laboratory of Aging and Vascular Homeostasis of Sichuan Higher Education Institutes, Chengdu, 610500, Sichuan, China
| | - Tao Luo
- Department of Cardiology, The First Affiliated Hospital, Chengdu Medical College, Chengdu, 610500, Sichuan, China
- Sichuan Clinical Research Center for Geriatrics, The First Affiliated Hospital, Chengdu Medical College, Chengdu, 610500, Sichuan, China
- Key Laboratory of Aging and Vascular Homeostasis of Sichuan Higher Education Institutes, Chengdu, 610500, Sichuan, China
| | - Yaqiong Zhou
- Department of Cardiology, The First Affiliated Hospital, Chengdu Medical College, Chengdu, 610500, Sichuan, China
- Sichuan Clinical Research Center for Geriatrics, The First Affiliated Hospital, Chengdu Medical College, Chengdu, 610500, Sichuan, China
- Key Laboratory of Aging and Vascular Homeostasis of Sichuan Higher Education Institutes, Chengdu, 610500, Sichuan, China
| | - Shichao Chen
- Department of Cardiology, The First Affiliated Hospital, Chengdu Medical College, Chengdu, 610500, Sichuan, China
- Sichuan Clinical Research Center for Geriatrics, The First Affiliated Hospital, Chengdu Medical College, Chengdu, 610500, Sichuan, China
- Key Laboratory of Aging and Vascular Homeostasis of Sichuan Higher Education Institutes, Chengdu, 610500, Sichuan, China
| | - Qiting Liu
- Department of Cardiology, The First Affiliated Hospital, Chengdu Medical College, Chengdu, 610500, Sichuan, China
- Sichuan Clinical Research Center for Geriatrics, The First Affiliated Hospital, Chengdu Medical College, Chengdu, 610500, Sichuan, China
- Key Laboratory of Aging and Vascular Homeostasis of Sichuan Higher Education Institutes, Chengdu, 610500, Sichuan, China
| | - Jixin Hou
- Department of Cardiology, The First Affiliated Hospital, Chengdu Medical College, Chengdu, 610500, Sichuan, China
- Sichuan Clinical Research Center for Geriatrics, The First Affiliated Hospital, Chengdu Medical College, Chengdu, 610500, Sichuan, China
- Key Laboratory of Aging and Vascular Homeostasis of Sichuan Higher Education Institutes, Chengdu, 610500, Sichuan, China
| | - Peijian Wang
- Department of Cardiology, The First Affiliated Hospital, Chengdu Medical College, Chengdu, 610500, Sichuan, China.
- Sichuan Clinical Research Center for Geriatrics, The First Affiliated Hospital, Chengdu Medical College, Chengdu, 610500, Sichuan, China.
- Key Laboratory of Aging and Vascular Homeostasis of Sichuan Higher Education Institutes, Chengdu, 610500, Sichuan, China.
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10
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Sun X, Ye G, Mai Y, Shu Y, Wang L, Zhang J. Parkin exerts the tumor-suppressive effect through targeting mitochondria. Med Res Rev 2023. [PMID: 36916678 DOI: 10.1002/med.21938] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 12/10/2022] [Accepted: 02/26/2023] [Indexed: 03/16/2023]
Abstract
The role of PARKIN in Parkinson's disease is well established but its role in cancer has recently emerged. PARKIN serves as a tumor suppressor in many cancers and loses the tumor-suppressive function due to loss of heterozygosity and DNA copy number. But how PARKIN protects against cancer is poorly understood. Through the analysis of PARKIN substrates and their association with mitochondria, this viewpoint discussed that PARKIN exerts its anti-cancer activity through targeting mitochondria. Mitochondria function as a convergence point for many signaling pathways and biological processes, including apoptosis, cell cycle, mitophagy, energy metabolism, oxidative stress, calcium homeostasis, inflammation, and so forth. PARKIN participates in these processes through regulating its mitochondrial targets. Conversely, these mitochondrial substrates also influence the function of PARKIN under different cellular circumstances. We believe that future studies in this area may lead to novel therapeutic targets and strategies for cancer therapy.
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Affiliation(s)
- Xin Sun
- Department of Medical Oncology, Key Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Cancer Center, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, China
| | - Guiqin Ye
- Department of Medical Oncology, Key Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Cancer Center, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, China.,Hangzhou Medical College, Hangzhou, China
| | - Yuanyuan Mai
- Department of Medical Oncology, Key Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Cancer Center, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, China.,Hangzhou Medical College, Hangzhou, China
| | - Yuhan Shu
- Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou, China
| | - Lei Wang
- Department of Medical Oncology, Key Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Cancer Center, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, China
| | - Jianbin Zhang
- Department of Medical Oncology, Key Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Cancer Center, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, China
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11
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Visintin R, Ray SK. Intersections of Ubiquitin-Proteosome System and Autophagy in Promoting Growth of Glioblastoma Multiforme: Challenges and Opportunities. Cells 2022; 11:cells11244063. [PMID: 36552827 PMCID: PMC9776575 DOI: 10.3390/cells11244063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 12/09/2022] [Accepted: 12/11/2022] [Indexed: 12/23/2022] Open
Abstract
Glioblastoma multiforme (GBM) is a brain tumor notorious for its propensity to recur after the standard treatments of surgical resection, ionizing radiation (IR), and temozolomide (TMZ). Combined with the acquired resistance to standard treatments and recurrence, GBM is an especially deadly malignancy with hardly any worthwhile treatment options. The treatment resistance of GBM is influenced, in large part, by the contributions from two main degradative pathways in eukaryotic cells: ubiquitin-proteasome system (UPS) and autophagy. These two systems influence GBM cell survival by removing and recycling cellular components that have been damaged by treatments, as well as by modulating metabolism and selective degradation of components of cell survival or cell death pathways. There has recently been a large amount of interest in potential cancer therapies involving modulation of UPS or autophagy pathways. There is significant crosstalk between the two systems that pose therapeutic challenges, including utilization of ubiquitin signaling, the degradation of components of one system by the other, and compensatory activation of autophagy in the case of proteasome inhibition for GBM cell survival and proliferation. There are several important regulatory nodes which have functions affecting both systems. There are various molecular components at the intersections of UPS and autophagy pathways that pose challenges but also show some new therapeutic opportunities for GBM. This review article aims to provide an overview of the recent advancements in research regarding the intersections of UPS and autophagy with relevance to finding novel GBM treatment opportunities, especially for combating GBM treatment resistance.
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Affiliation(s)
- Rhett Visintin
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
| | - Swapan K. Ray
- Department of Pathology, Microbiology and Immunology, University of South Carolina School of Medicine, Columbia, SC 29209, USA
- Correspondence: ; Tel.: +1-803-216-3420; Fax: +1-803-216-3428
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12
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Chen X, Jiang L, Zhou Z, Yang B, He Q, Zhu C, Cao J. The Role of Membrane-Associated E3 Ubiquitin Ligases in Cancer. Front Pharmacol 2022; 13:928794. [PMID: 35847032 PMCID: PMC9285105 DOI: 10.3389/fphar.2022.928794] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 06/10/2022] [Indexed: 11/13/2022] Open
Abstract
The cell membrane system comprises the plasma membrane, endoplasmic reticulum, Golgi apparatus, lysosome, mitochondria, and nuclear membrane, which are essential for maintaining normal physiological functions of cells. The proteins associated with these membrane-organelles are frequently modified to regulate their functions, the most common of which is ubiquitin modification. So far, many ubiquitin E3 ligases anchored in the membrane system have been identified as critical players facilitating intracellular biofunctions whose dysfunction is highly related to cancer. In this review, we summarized membrane-associated E3 ligases and revealed their relationship with cancer, which is of great significance for discovering novel drug targets of cancer and may open up new avenues for inducing ubiquitination-mediated degradation of cancer-associated membrane proteins via small chemicals such as PROTAC and molecular glue.
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Affiliation(s)
- Xuankun Chen
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Institute of Pharmacology and Toxicology, Zhejiang University, Hangzhou, China
| | - Li Jiang
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Institute of Pharmacology and Toxicology, Zhejiang University, Hangzhou, China
| | - Zhesheng Zhou
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Institute of Pharmacology and Toxicology, Zhejiang University, Hangzhou, China
| | - Bo Yang
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Institute of Pharmacology and Toxicology, Zhejiang University, Hangzhou, China
- The Innovation Institute for Artificial Intelligence in Medicine, Zhejiang University, Hangzhou, China
| | - Qiaojun He
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Institute of Pharmacology and Toxicology, Zhejiang University, Hangzhou, China
- The Innovation Institute for Artificial Intelligence in Medicine, Zhejiang University, Hangzhou, China
- Center for Drug Safety Evaluation and Research of Zhejiang University, Zhejiang University, Hangzhou, China
- Cancer Center of Zhejiang University, Hangzhou, China
| | - Chengliang Zhu
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Institute of Pharmacology and Toxicology, Zhejiang University, Hangzhou, China
- The Innovation Institute for Artificial Intelligence in Medicine, Zhejiang University, Hangzhou, China
- Center for Drug Safety Evaluation and Research of Zhejiang University, Zhejiang University, Hangzhou, China
- *Correspondence: Chengliang Zhu, ; Ji Cao,
| | - Ji Cao
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Institute of Pharmacology and Toxicology, Zhejiang University, Hangzhou, China
- The Innovation Institute for Artificial Intelligence in Medicine, Zhejiang University, Hangzhou, China
- Cancer Center of Zhejiang University, Hangzhou, China
- *Correspondence: Chengliang Zhu, ; Ji Cao,
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13
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Koh L, Novera W, Lim SW, Chong YK, Pang QY, Low D, Ang BT, Tang C. Integrative multi-omics approach to targeted therapy for glioblastoma. Pharmacol Res 2022; 182:106308. [PMID: 35714825 DOI: 10.1016/j.phrs.2022.106308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 05/19/2022] [Accepted: 06/10/2022] [Indexed: 11/30/2022]
Abstract
This review describes recent technological advances applied to glioblastoma (GBM), a brain tumor with dismal prognosis. International consortial efforts suggest the presence of molecular subtypes within histologically identical GBM tumors. This emphasizes that future treatment decisions should no longer be made based solely on morphological analyses, but must now take into consideration such molecular and cellular heterogeneity. The use of single-cell technologies has advanced our understanding and assignation of functional subtypes revealing therapeutic vulnerabilities. Our team has developed stratification approaches in the past few years, and we have been able to identify patient cohorts enriched for various signaling pathways. Importantly, our Glioportal brain tumor resource has been established under the National Neuroscience Institute Tissue Bank in 2021. This resource offers preclinical capability to validate working hypotheses established from patient clinical datasets. This review highlights recent developments with the ultimate goal of assigning functional meaning to molecular subtypes, revealing therapeutic vulnerabilities.
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Affiliation(s)
- Lynnette Koh
- Department of Research, National Neuroscience Institute, Singapore.
| | - Wisna Novera
- Department of Research, National Neuroscience Institute, Singapore
| | - See Wee Lim
- Department of Research, National Neuroscience Institute, Singapore
| | - Yuk Kien Chong
- Department of Research, National Neuroscience Institute, Singapore
| | - Qing You Pang
- Department of Research, National Neuroscience Institute, Singapore
| | - David Low
- Department of Neurosurgery, National Neuroscience Institute, Singapore; Duke-National University of Singapore, Singapore
| | - Beng Ti Ang
- Department of Neurosurgery, National Neuroscience Institute, Singapore; Duke-National University of Singapore, Singapore
| | - Carol Tang
- Department of Research, National Neuroscience Institute, Singapore; Duke-National University of Singapore, Singapore; School of Biological Sciences, Nanyang Technological University, Singapore.
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14
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Wu C, Feng ML, Jiao TW, Sun MJ. Clinical and prognostic significance of expression of phosphoglycerate mutase family member 5 and Parkin in advanced colorectal cancer. World J Clin Cases 2022; 10:4368-4379. [PMID: 35663086 PMCID: PMC9125282 DOI: 10.12998/wjcc.v10.i14.4368] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 09/17/2021] [Accepted: 03/25/2022] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Drugs targeting mitochondria can induce mitophagy and restrain proliferation in colorectal cancer (CRC) cells. Phosphoglycerate mutase family member 5 (PGAM5) activates serine/threonine PTEN-induced putative kinase 1/Parkin pathway-mediated mitophagy. However, there are few studies on the clinical and prognostic significance of expression of PGAM5 protein and mitophagy-related protein Parkin in patients. AIM To assess the clinical significance of PGAM5 and Parkin proteins, as biomarkers for diagnosis and prognosis of CRC, by studying their expression in advanced CRC tissues and their association with clinicopathological parameters. METHODS The expression of PGAM5 and Parkin in CRC tissues from 100 patients was determined by immunohistochemistry. Each case was evaluated by using a combined scoring method based on signal intensity staining (scored 0-3) and the proportion of positively stained cancer cells (scored 0-4). The final staining score was calculated as the intensity score multiplied by the proportion score. Specimens were categorized as either high or low expression according to the Youden index, and the association between the expression of PGAM5 or Parkin and clinicopathological factors was ascertained. Additionally, we employed western blot to measure PGAM5 and Parkin protein expression in six matched pairs of CRC and adjacent non-tumor tissues. RESULTS Immunohistochemical and western blot findings showed that both PGAM5 and Parkin protein expression in tumor tissues was significantly higher than that in the adjacent tissues: PGAM5 and Parkin were mainly expressed in the cytoplasm of colonic epithelial cells. PGAM5 and Parkin protein levels were significantly positively correlated in advanced CRC tissues. Moreover, reduced Parkin protein expression was an independent prognostic factor for overall survival and progression-free survival in CRC patients as evinced by multivariate analysis. CONCLUSION The expression of PGAM5 protein and mitophagy-related protein Parkin has diagnostic significance for CRC and may become new biomarkers. Parkin may be a potential marker for the survival of CRC patients.
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Affiliation(s)
- Can Wu
- Department of Endoscope, The First Hospital Affiliated to China Medical University, Shenyang 110001, Liaoning Province, China
| | - Ming-Liang Feng
- Department of Endoscope, The First Hospital Affiliated to China Medical University, Shenyang 110001, Liaoning Province, China
| | - Tai-Wei Jiao
- Department of Endoscope, The First Hospital Affiliated to China Medical University, Shenyang 110001, Liaoning Province, China
| | - Ming-Jun Sun
- Department of Endoscope, The First Hospital Affiliated to China Medical University, Shenyang 110001, Liaoning Province, China
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15
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Pi Y, Fang C, Su Z. Protein phosphorylation: A potential target in glioma development. IBRAIN 2022; 8:176-189. [PMID: 37786890 PMCID: PMC10529010 DOI: 10.1002/ibra.12038] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Revised: 04/09/2022] [Accepted: 04/24/2022] [Indexed: 10/04/2023]
Abstract
Glioma is one of the most common primary brain tumors, and mortality due to this disease is second only to cardiovascular and cerebrovascular diseases. In traditional surgery, it is difficult to eradicate glioma; often recurrence increases its malignant degree, leading to a large number of patients killed by this disease. It is one of the most important subjects to study its pathogenesis and explore effective treatment methods. Research on glioma mechanisms mainly focuses on the effect of DNA methylation in epigenetics. Although there are many studies on protein phosphorylation, there is no overall regulatory mechanism. Protein phosphorylation regulates a variety of cell functions, such as cell growth, division and differentiation, and apoptosis. As a consequence, protein phosphorylation plays a leading part in various activities of glioma, and can also be used as a target to regulate the development of glioma. This review is aimed at studying the effect of protein phosphorylation on glioma, understanding the pathological mechanism, and an in-depth analysis of it. The following is a discussion on glioma growth, migration and invasion, resistance and death in phosphorylation, and the possibility of treating glioma by phosphorylation.
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Affiliation(s)
- Yu Pi
- Department of AnesthesiologySouthwest Medical UniversityLuzhouSichuanChina
| | - Chang‐Le Fang
- Department of AnesthesiologySouthwest Medical UniversityLuzhouSichuanChina
| | - Zhang‐Yu Su
- Department of AnesthesiologySouthwest Medical UniversityLuzhouSichuanChina
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16
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CBX3 accelerates the malignant progression of glioblastoma multiforme by stabilizing EGFR expression. Oncogene 2022; 41:3051-3063. [PMID: 35459780 DOI: 10.1038/s41388-022-02296-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 03/17/2022] [Accepted: 03/23/2022] [Indexed: 12/13/2022]
Abstract
CBX3, also known as HP1γ, is a major isoform of heterochromatin protein 1, whose deregulation has been reported to promote the development of human cancers. However, the molecular mechanism of CBX3 in glioblastoma multiforme (GBM) are unclear. Our study reported the identification of CBX3 as a potential therapeutic target for GBM. Briefly, we found that, CBX3 is significantly upregulated in GBM and reduces patient survival. In addition, functional assays demonstrated that CBX3 significantly promote the proliferation, invasion and tumorigenesis of GBM cells in vitro and in vivo. Mechanistically, Erlotinib, a small molecule targeting epidermal growth factor receptor (EGFR) tyrosine kinase, was used to demonstrate that CBX3 direct the malignant progression of GBM are EGFR dependent. Previous studies have shown that PARK2(Parkin) and STUB1(Carboxy Terminus of Hsp70-Interacting Protein) are EGFR-specific E3 ligases. Notably, we verified that CBX3 directly suppressed PARK2 and STUB1 at the transcriptional level through its CD domain to reduce the ubiquitination of EGFR. Moreover, the CSD domain of CBX3 interacted with PARK2 and regulated its ubiquitination to further reduce its protein level. Collectively, these results revealed an unknown mechanism underlying the pathogenesis of GBM and confirmed that CBX3 is a promising therapeutic target.
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17
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Das R, Kamal IM, Das S, Chakrabarti S, Chakrabarti O. MITOL-mediated DRP1 ubiquitylation and degradation promotes mitochondrial hyperfusion in CMT2A-linked MFN2 mutant. J Cell Sci 2021; 135:273638. [PMID: 34870686 DOI: 10.1242/jcs.257808] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 11/29/2021] [Indexed: 11/20/2022] Open
Abstract
Mutations in Mitofusin2 (MFN2), associated with the pathology of the debilitating neuropathy, Charcot-Marie-Tooth type 2A (CMT2A) are known to alter mitochondrial morphology. One such abundant MFN2 mutant, R364W results in the generation of elongated, interconnected mitochondria. However, the mechanism leading to this mitochondrial aberration remains poorly understood. Here we show that mitochondrial hyperfusion in the presence of R364W-MFN2 is due to increased degradation of DRP1. The Ubiquitin E3 ligase MITOL is known to ubiquitylate both MFN2 and DRP1. Interaction with and its subsequent ubiquitylation by MITOL is stronger in presence of WT-MFN2 than R364W-MFN2. This differential interaction of MITOL with MFN2 in the presence of R364W-MFN2 renders the ligase more available for DRP1 ubiquitylation. Multimonoubiquitylation and proteasomal degradation of DRP1 in R364W-MFN2 cells in the presence of MITOL eventually leads to mitochondrial hyperfusion. Here we provide a mechanistic insight into mitochondrial hyperfusion, while also reporting that MFN2 can indirectly modulate DRP1 - an effect not shown before.
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Affiliation(s)
- Rajdeep Das
- Biophysics & Structural Genomics Division, Saha Institute of Nuclear Physics, 1/AF Bidhannagar, Kolkata - 700064, India.,Homi Bhabha National Institute, India
| | - Izaz Monir Kamal
- Structural Biology and Bioinformatics Division, CSIR-Indian Institute of Chemical Biology, CN 6, Sector V, Salt Lake, Kolkata - 700091, India.,Academy of Scientific and Innovative Research (AcSIR), Gaziabad, India
| | - Subhrangshu Das
- Structural Biology and Bioinformatics Division, CSIR-Indian Institute of Chemical Biology, CN 6, Sector V, Salt Lake, Kolkata - 700091, India
| | - Saikat Chakrabarti
- Structural Biology and Bioinformatics Division, CSIR-Indian Institute of Chemical Biology, CN 6, Sector V, Salt Lake, Kolkata - 700091, India.,Academy of Scientific and Innovative Research (AcSIR), Gaziabad, India
| | - Oishee Chakrabarti
- Biophysics & Structural Genomics Division, Saha Institute of Nuclear Physics, 1/AF Bidhannagar, Kolkata - 700064, India.,Homi Bhabha National Institute, India
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18
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Rouland L, Duplan E, Ramos dos Santos L, Bernardin A, Katula KS, Manfioletti G, Idbaih A, Checler F, Alves da Costa C. Therapeutic potential of parkin as a tumor suppressor via transcriptional control of cyclins in glioblastoma cell and animal models. Am J Cancer Res 2021; 11:10047-10063. [PMID: 34815803 PMCID: PMC8581414 DOI: 10.7150/thno.57549] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2020] [Accepted: 10/22/2021] [Indexed: 12/20/2022] Open
Abstract
Parkin (PK) is an E3-ligase harboring tumor suppressor properties that has been associated to various cancer types including glioblastoma (GBM). However, PK is also a transcription factor (TF), the contribution of which to GBM etiology remains to be established. Methods: The impact of PK on GBM cells proliferation was analyzed by real-time impedance measurement and flow cytometry. Cyclins A and B proteins, promoter activities and mRNA levels were measured by western blot, luciferase assay and quantitative real-time PCR. Protein-protein and protein-promoter interactions were performed by co-immunoprecipitation and by ChIP approaches. The contribution of endogenous PK to tumor progression in vivo was performed by allografts of GL261 GBM cells in wild-type and PK knockout mice. Results: We show that overexpressed and endogenous PK control GBM cells proliferation by modulating the S and G2/M phases of the cell cycle via the trans-repression of cyclin A and cyclin B genes. We establish that cyclin B is regulated by both E3-ligase and TF PK functions while cyclin A is exclusively regulated by PK TF function. PK invalidation leads to enhanced tumor progression in immunocompetent mice suggesting an impact of PK-dependent tumor environment to tumor development. We show that PK is secreted by neuronal cells and recaptured by tumor cells. Recaptured PK lowered cyclins levels and decreased GBM cells proliferation. Further, PK expression is decreased in human GBM biopsies and its expression is inversely correlated to both cyclins A and B expressions. Conclusion: Our work demonstrates that PK tumor suppressor function contributes to the control of tumor by its cellular environment. It also shows a key role of PK TF function in GBM development via the control of cyclins in vitro and in vivo. It suggests that therapeutic strategies aimed at controlling PK shuttling to the nucleus may prove useful to treat GBM.
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19
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D’Onofrio N, Martino E, Mele L, Colloca A, Maione M, Cautela D, Castaldo D, Balestrieri ML. Colorectal Cancer Apoptosis Induced by Dietary δ-Valerobetaine Involves PINK1/Parkin Dependent-Mitophagy and SIRT3. Int J Mol Sci 2021; 22:ijms22158117. [PMID: 34360883 PMCID: PMC8348679 DOI: 10.3390/ijms22158117] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 07/21/2021] [Accepted: 07/27/2021] [Indexed: 12/13/2022] Open
Abstract
Understanding the mechanisms of colorectal cancer progression is crucial in the setting of strategies for its prevention. δ-Valerobetaine (δVB) is an emerging dietary metabolite showing cytotoxic activity in colon cancer cells via autophagy and apoptosis. Here, we aimed to deepen current knowledge on the mechanism of δVB-induced colon cancer cell death by investigating the apoptotic cascade in colorectal adenocarcinoma SW480 and SW620 cells and evaluating the molecular players of mitochondrial dysfunction. Results indicated that δVB reduced cell viability in a time-dependent manner, reaching IC50 after 72 h of incubation with δVB 1.5 mM, and caused a G2/M cell cycle arrest with upregulation of cyclin A and cyclin B protein levels. The increased apoptotic cell rate occurred via caspase-3 activation with a concomitant loss in mitochondrial membrane potential and SIRT3 downregulation. Functional studies indicated that δVB activated mitochondrial apoptosis through PINK1/Parkin pathways, as upregulation of PINK1, Parkin, and LC3B protein levels was observed (p < 0.0001). Together, these findings support a critical role of PINK1/Parkin-mediated mitophagy in mitochondrial dysfunction and apoptosis induced by δVB in SW480 and SW620 colon cancer cells.
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Affiliation(s)
- Nunzia D’Onofrio
- Department of Precision Medicine, University of Campania Luigi Vanvitelli, Via L. De Crecchio 7, 80138 Napoli, Italy; (E.M.); (A.C.); (M.M.); (M.L.B.)
- Correspondence: ; Tel.: +39-081-5667513; Fax: +39-081-5665863
| | - Elisa Martino
- Department of Precision Medicine, University of Campania Luigi Vanvitelli, Via L. De Crecchio 7, 80138 Napoli, Italy; (E.M.); (A.C.); (M.M.); (M.L.B.)
| | - Luigi Mele
- Department of Experimental Medicine, University of Campania Luigi Vanvitelli, Via Luciano Armanni 5, 80138 Naples, Italy;
| | - Antonino Colloca
- Department of Precision Medicine, University of Campania Luigi Vanvitelli, Via L. De Crecchio 7, 80138 Napoli, Italy; (E.M.); (A.C.); (M.M.); (M.L.B.)
| | - Martina Maione
- Department of Precision Medicine, University of Campania Luigi Vanvitelli, Via L. De Crecchio 7, 80138 Napoli, Italy; (E.M.); (A.C.); (M.M.); (M.L.B.)
| | - Domenico Cautela
- Stazione Sperimentale per le Industrie delle Essenze e dei Derivati dagli Agrumi (SSEA), Azienda Speciale CCIAA di Reggio Calabria, Via G. Tommasini 2, 89125 Reggio Calabria, Italy; (D.C.); (D.C.)
| | - Domenico Castaldo
- Stazione Sperimentale per le Industrie delle Essenze e dei Derivati dagli Agrumi (SSEA), Azienda Speciale CCIAA di Reggio Calabria, Via G. Tommasini 2, 89125 Reggio Calabria, Italy; (D.C.); (D.C.)
- Ministero dello Sviluppo Economico (MiSE), Via Molise 2, 00187 Roma, Italy
| | - Maria Luisa Balestrieri
- Department of Precision Medicine, University of Campania Luigi Vanvitelli, Via L. De Crecchio 7, 80138 Napoli, Italy; (E.M.); (A.C.); (M.M.); (M.L.B.)
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20
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Kühl Svoboda Baldin R, Austrália Paredes Marcondes Ribas C, de Noronha L, Veloso da Silva-Camargo CC, Santos Sotomaior V, Martins Sebastião AP, Vasconcelos de Castilho AP, Rodrigues Montemor Netto M. Expression of Parkin, APC, APE1, and Bcl-xL in Colorectal Polyps. J Histochem Cytochem 2021; 69:437-449. [PMID: 34126796 PMCID: PMC8246528 DOI: 10.1369/00221554211026296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Accepted: 06/01/2021] [Indexed: 11/22/2022] Open
Abstract
Colorectal cancer can develop through molecular, chromosomal, and epigenetic cumulative changes that transform the normal intestinal epithelium into the colorectal polyps, called conventional adenomas (CAs) or serrated polyps (SPs), recognized as precursors of invasive colorectal neoplasia. These benign lesions need to explore the morphology, histological diagnosis, and biomarkers profile to accurately characterize lesions with potential for evolution to cancer. This study aimed to correlate the immunohistochemical expression of Parkin and Adenomatous Polyposis Coli (APC; tumor suppressors), Human Apurinic/Apyrimidinic endonuclease 1 (APE1), and B-cell lymphoma-extra-large (Bcl-xL; oncogenic proteins) in sporadic colorectal polyps with clinical, endoscopic, and diagnostic data. Immunohistochemical analysis was performed on tissue microarray samples of 306 polyps. Based on the Allred score, the expressions were graduated in the cytoplasm and nucleus of superficial and cryptic cells. There was higher Parkin nuclear expression (p=0.006 and 0.010) and APC cytoplasmic expression in cryptic cells (p<0.001) in SPs. CAs, APE1 (p<0.001) and Bcl-xL (p<0.001) were more expressed in the nuclei and cytoplasms, respectively. These results are related to the biological role proposed for these proteins in cellular functions. They can contribute to the diagnosis criteria for polyps and improve the knowledge of biomarkers that could predict cancer development.
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Affiliation(s)
- Rosimeri Kühl Svoboda Baldin
- Group of Studies and Research in Tumor Markers, Faculdade Evangélica Mackenzie do Paraná, Curitiba, Brazil
- Department of Medical Pathology, Universidade Federal do Paraná, Curitiba, Brazil
| | | | - Lúcia de Noronha
- Department of Medical Pathology, Universidade Federal do Paraná, Curitiba, Brazil
- Group for Advanced Molecular Investigation, Graduate Program in Health Sciences, School of Medicine, Pontifícia Universidade Católica do Paraná, Curitiba, Brazil
| | - Claudia Caroline Veloso da Silva-Camargo
- Group for Advanced Molecular Investigation, Graduate Program in Health Sciences, School of Medicine, Pontifícia Universidade Católica do Paraná, Curitiba, Brazil
| | - Vanessa Santos Sotomaior
- Group for Advanced Molecular Investigation, Graduate Program in Health Sciences, School of Medicine, Pontifícia Universidade Católica do Paraná, Curitiba, Brazil
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21
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Maksoud S. The Role of the Ubiquitin Proteasome System in Glioma: Analysis Emphasizing the Main Molecular Players and Therapeutic Strategies Identified in Glioblastoma Multiforme. Mol Neurobiol 2021; 58:3252-3269. [PMID: 33665742 PMCID: PMC8260465 DOI: 10.1007/s12035-021-02339-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Accepted: 02/22/2021] [Indexed: 12/11/2022]
Abstract
Gliomas constitute the most frequent tumors of the brain. High-grade gliomas are characterized by a poor prognosis caused by a set of attributes making treatment difficult, such as heterogeneity and cell infiltration. Additionally, there is a subgroup of glioma cells with properties similar to those of stem cells responsible for tumor recurrence after treatment. Since proteasomal degradation regulates multiple cellular processes, any mutation causing disturbances in the function or expression of its elements can lead to various disorders such as cancer. Several studies have focused on protein degradation modulation as a mechanism of glioma control. The ubiquitin proteasome system is the main mechanism of cellular proteolysis that regulates different events, intervening in pathological processes with exacerbating or suppressive effects on diseases. This review analyzes the role of proteasomal degradation in gliomas, emphasizing the elements of this system that modulate different cellular mechanisms in tumors and discussing the potential of distinct compounds controlling brain tumorigenesis through the proteasomal pathway.
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Affiliation(s)
- Semer Maksoud
- Experimental Therapeutics and Molecular Imaging Unit, Department of Neurology, Neuro-Oncology Division, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA.
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22
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de Castro EM, Barbosa LV, Ferreira JVA, de Andrade DP, Mello RG, Torres LFB, de Noronha L, Machado-Souza C. Parkin and its molecular associations in gliomas – a systematic review. SURGICAL AND EXPERIMENTAL PATHOLOGY 2021. [DOI: 10.1186/s42047-021-00093-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
AbstractParkin, a protein encoded by PRKN, discovered in the context of Parkinson’s disease, controls proteasomal degradation by protein ubiquitination and acts on cell cycle control and mitochondrial homeostasis, among other cellular processes. Parkin has been also implicated in several carcinomas, melanoma and leukemia. In the neoplastic setting, reduced parkin level usually indicates poorer prognosis. Some authors have described the associations between parkin and gliomas. Gliomas are a heterogeneous group of tumors that arise in the central nervous system, astrocytomas being the most common. The aim of this systematic review is to evaluate how parkin behaves in gliomas and the molecular pathways associated in this interaction. A search was conducted in PubMed, EBSCO and Scopus and 8 published articles were identified as eligible studies. The studies were categorized in three groups, according to their main emphasis: PRKN mutation patterns detected in gliomas, parkin effects on tumor growth and survival rates, and molecular interactions between parkin and other proteins. The studies showed higher PRKN mutation rates and lower parkin expression in high grade gliomas. Patients with higher parkin expression had better overall survival. Besides, different molecular pathways associated with parkin were described, some of them regarded as potential therapeutic targets.
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23
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Aliabadi F, Sohrabi B, Mostafavi E, Pazoki-Toroudi H, Webster TJ. Ubiquitin-proteasome system and the role of its inhibitors in cancer therapy. Open Biol 2021; 11:200390. [PMID: 33906413 PMCID: PMC8080017 DOI: 10.1098/rsob.200390] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Despite all the other cells that have the potential to prevent cancer development and metastasis through tumour suppressor proteins, cancer cells can upregulate the ubiquitin–proteasome system (UPS) by which they can degrade tumour suppressor proteins and avoid apoptosis. This system plays an extensive role in cell regulation organized in two steps. Each step has an important role in controlling cancer. This demonstrates the importance of understanding UPS inhibitors and improving these inhibitors to foster a new hope in cancer therapy. UPS inhibitors, as less invasive chemotherapy drugs, are increasingly used to alleviate symptoms of various cancers in malignant states. Despite their success in reducing the development of cancer with the lowest side effects, thus far, an appropriate inhibitor that can effectively inactivate this system with the least drug resistance has not yet been fully investigated. A fundamental understanding of the system is necessary to fully elucidate its role in causing/controlling cancer. In this review, we first comprehensively investigate this system, and then each step containing ubiquitination and protein degradation as well as their inhibitors are discussed. Ultimately, its advantages and disadvantages and some perspectives for improving the efficiency of these inhibitors are discussed.
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Affiliation(s)
- Fatemeh Aliabadi
- Physiology Research Center, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Beheshteh Sohrabi
- Department of Chemistry, Surface Chemistry Research Laboratory, Iran University of Science and Technology, PO Box 16846-13114, Tehran, Iran
| | - Ebrahim Mostafavi
- Department of Chemical Engineering, Northeastern University, Boston, MA 02115, USA.,Stanford Cardiovascular Institute, Stanford, CA, USA.,Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Hamidreza Pazoki-Toroudi
- Physiology Research Center, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran.,Department of Physiology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Thomas J Webster
- Department of Chemical Engineering, Northeastern University, Boston, MA 02115, USA
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24
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Perwez A, Wahabi K, Rizvi MA. Parkin: A targetable linchpin in human malignancies. Biochim Biophys Acta Rev Cancer 2021; 1876:188533. [PMID: 33785381 DOI: 10.1016/j.bbcan.2021.188533] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 03/21/2021] [Accepted: 03/21/2021] [Indexed: 12/16/2022]
Abstract
Parkin, an E3 ubiquitin ligase has been found to be deregulated in a variety of human cancers. Our current understanding is endowed with strong evidences that Parkin plays crucial role in the pathogenesis of cancer by controlling/interfering with major hallmarks of cancer delineated till today. Consistent with the idea of mitophagy, the existing studies imitates the tumor suppressive potential of Parkin, resolved by its capacity to regulate cell proliferation, cell migration, angiogenesis, apoptosis and overall cellular survival. Dysfunction of Parkin has resulted in the loss of ubiquitination of cell cycle components followed by their accumulation leading to genomic instability, perturbed cell cycle and eventually tumor progression. In this review, we provide an overview of current knowledge about the critical role of Parkin in cancer development and progression and have focussed on its therapeutic implications highlighting the diagnostic and prognostic value of Parkin as a biomarker. We earnestly hope that an in-depth knowledge of Parkin will provide a linchpin to target in various cancers that will open a new door of clinical applications and therapeutics.
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Affiliation(s)
- Ahmad Perwez
- Genome Biology Laboratory, Department of Biosciences, Jamia Millia Islamia, New Delhi 110025, India
| | - Khushnuma Wahabi
- Genome Biology Laboratory, Department of Biosciences, Jamia Millia Islamia, New Delhi 110025, India
| | - Moshahid A Rizvi
- Genome Biology Laboratory, Department of Biosciences, Jamia Millia Islamia, New Delhi 110025, India.
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25
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Functions of outer mitochondrial membrane proteins: mediating the crosstalk between mitochondrial dynamics and mitophagy. Cell Death Differ 2021; 28:827-842. [PMID: 33208889 PMCID: PMC7937681 DOI: 10.1038/s41418-020-00657-z] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 10/13/2020] [Accepted: 10/23/2020] [Indexed: 01/30/2023] Open
Abstract
Most cellular stress responses converge on the mitochondria. Consequently, the mitochondria must rapidly respond to maintain cellular homeostasis and physiological demands by fine-tuning a plethora of mitochondria-associated processes. The outer mitochondrial membrane (OMM) proteins are central to mediating mitochondrial dynamics, coupled with continuous fission and fusion. These OMM proteins also have vital roles in controlling mitochondrial quality and serving as mitophagic receptors for autophagosome enclosure during mitophagy. Mitochondrial fission segregates impaired mitochondria in smaller sizes from the mother mitochondria and may favor mitophagy for eliminating damaged mitochondria. Conversely, mitochondrial fusion mixes dysfunctional mitochondria with healthy ones to repair the damage by diluting the impaired components and consequently prevents mitochondrial clearance via mitophagy. Despite extensive research efforts into deciphering the interplay between fission-fusion and mitophagy, it is still not clear whether mitochondrial fission essentially precedes mitophagy. In this review, we summarize recent breakthroughs concerning OMM research, and dissect the functions of these proteins in mitophagy from their traditional roles in fission-fusion dynamics, in response to distinct context, at the intersection of the OMM platform. These insights into the OMM proteins in mechanistic researches would lead to new aspects of mitochondrial quality control and better understanding of mitochondrial homeostasis intimately tied to pathological impacts.
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26
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Liu J, Zhang C, Wu H, Sun XX, Li Y, Huang S, Yue X, Lu SE, Shen Z, Su X, White E, Haffty BG, Hu W, Feng Z. Parkin ubiquitinates phosphoglycerate dehydrogenase to suppress serine synthesis and tumor progression. J Clin Invest 2021; 130:3253-3269. [PMID: 32478681 DOI: 10.1172/jci132876] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Accepted: 03/11/2020] [Indexed: 12/13/2022] Open
Abstract
Phosphoglycerate dehydrogenase (PHGDH), the first rate-limiting enzyme of serine synthesis, is frequently overexpressed in human cancer. PHGDH overexpression activates serine synthesis to promote cancer progression. Currently, PHGDH regulation in normal cells and cancer is not well understood. Parkin, an E3 ubiquitin ligase involved in Parkinson's disease, is a tumor suppressor. Parkin expression is frequently downregulated in many types of cancer, and its tumor-suppressive mechanism is poorly defined. Here, we show that PHGDH is a substrate for Parkin-mediated ubiquitination and degradation. Parkin interacted with PHGDH and ubiquitinated PHGDH at lysine 330, leading to PHGDH degradation to suppress serine synthesis. Parkin deficiency in cancer cells stabilized PHGDH and activated serine synthesis to promote cell proliferation and tumorigenesis, which was largely abolished by targeting PHGDH with RNA interference, CRISPR/Cas9 KO, or small-molecule PHGDH inhibitors. Furthermore, Parkin expression was inversely correlated with PHGDH expression in human breast cancer and lung cancer. Our results revealed PHGDH ubiquitination by Parkin as a crucial mechanism for PHGDH regulation that contributes to the tumor-suppressive function of Parkin and identified Parkin downregulation as a critical mechanism underlying PHGDH overexpression in cancer.
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Affiliation(s)
- Juan Liu
- Rutgers Cancer Institute of New Jersey, Rutgers State University of New Jersey, New Brunswick, New Jersey, USA
| | - Cen Zhang
- Rutgers Cancer Institute of New Jersey, Rutgers State University of New Jersey, New Brunswick, New Jersey, USA
| | - Hao Wu
- Rutgers Cancer Institute of New Jersey, Rutgers State University of New Jersey, New Brunswick, New Jersey, USA
| | - Xiao-Xin Sun
- Department of Molecular and Medical Genetics, Oregon Health & Science University, Portland, Oregon, USA
| | - Yanchen Li
- Rutgers Cancer Institute of New Jersey, Rutgers State University of New Jersey, New Brunswick, New Jersey, USA
| | - Shan Huang
- Rutgers Cancer Institute of New Jersey, Rutgers State University of New Jersey, New Brunswick, New Jersey, USA
| | - Xuetian Yue
- Rutgers Cancer Institute of New Jersey, Rutgers State University of New Jersey, New Brunswick, New Jersey, USA
| | - Shou-En Lu
- Department of Biostatistics and Epidemiology, School of Public Health, Rutgers State University of New Jersey, Piscataway, New Jersey.,Biometrics Division, Rutgers Cancer Institute of New Jersey
| | - Zhiyuan Shen
- Rutgers Cancer Institute of New Jersey, Rutgers State University of New Jersey, New Brunswick, New Jersey, USA
| | - Xiaoyang Su
- Department of Medicine, Rutgers Robert Wood Johnson Medical School.,Metabolomics Shared Resource, Rutgers Cancer Institute of New Jersey, and
| | - Eileen White
- Rutgers Cancer Institute of New Jersey, Rutgers State University of New Jersey, New Brunswick, New Jersey, USA.,Department of Molecular Biology and Biochemistry, Robert Wood Johnson Medical School, Rutgers State University of New Jersey, New Brunswick, New Jersey
| | - Bruce G Haffty
- Rutgers Cancer Institute of New Jersey, Rutgers State University of New Jersey, New Brunswick, New Jersey, USA
| | - Wenwei Hu
- Rutgers Cancer Institute of New Jersey, Rutgers State University of New Jersey, New Brunswick, New Jersey, USA
| | - Zhaohui Feng
- Rutgers Cancer Institute of New Jersey, Rutgers State University of New Jersey, New Brunswick, New Jersey, USA
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27
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Biswas S, Bagchi A. Mutational Impact on "in-Between-Ring" (IBR) Domain of PARKIN on Protein Stability and Function. Appl Biochem Biotechnol 2021; 193:1603-1616. [PMID: 33471285 DOI: 10.1007/s12010-021-03491-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Accepted: 01/07/2021] [Indexed: 11/29/2022]
Abstract
Mutations in parkin, which is encoded by the PARK2 gene, are associated with a rare form of Parkinson's disease called autosomal recessive juvenile parkinsonism (ARJP). Parkin is a member of RBR family of E3 ubiquitin ligase. Parkin contains a RING1-In-Between-Ring (IBR)-RING2 motif. The IBR domain is located at the C-terminal end of the parkin protein. Two zinc-binding sites are present in the IBR domain which shows zinc ion-dependent folding and maintains the orientation and geometry of RING domains. So, mutation in a zinc-binding region can be responsible for improper folding of parkin protein, which eventually affects the protein structure and function. Abnormalities in parkin protein increase the aggregation of mis-folded proteins in the brain cell. As a consequence, cellular toxicity occurs. The IBR domain also interacts with UbcH7 and UbcH8 proteins belonging to E2 protein family and facilitates synphilin-1, Sept5, and SIM2 protein ubiquitination. It is reported that missense mutation in parkin protein are responsible for autosomal recessive juvenile Parkinson disease. In this work, we first collected the missense mutations in the IBR domain from literature and sequence databases. Then, using various computational tools, we predicted their pathogenicity and involvements in causing possible changes in various protein properties. Evolutionary conservation of amino acids, solvent accessible surface areas, the physico-chemical properties, and changes of protein structure were analyzed. We, for the first time, analyzed the effects of these mutations in parkin to decipher the plausible molecular mechanism of Parkinson's disease.
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Affiliation(s)
- Sima Biswas
- Department of Biochemistry and Biophysics, University of Kalyani, Kalyani, Nadia, West Bengal, 741235, India
| | - Angshuman Bagchi
- Department of Biochemistry and Biophysics, University of Kalyani, Kalyani, Nadia, West Bengal, 741235, India.
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28
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Wang B, Yin X, Gan W, Pan F, Li S, Xiang Z, Han X, Li D. PRCC-TFE3 fusion-mediated PRKN/parkin-dependent mitophagy promotes cell survival and proliferation in PRCC-TFE3 translocation renal cell carcinoma. Autophagy 2020; 17:2475-2493. [DOI: 10.1080/15548627.2020.1831815] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Affiliation(s)
- Bo Wang
- Immunology and Reproduction Biology Laboratory & State Key Laboratory of Analytical Chemistry for Life Science, Medical School, Nanjing University, Nanjing, Jiangsu, China
- Jiangsu Key Laboratory of Molecular Medicine, Nanjing University, Nanjing, Jiangsu, China
| | - Xiaoqin Yin
- Department of Endocrinology, Shanghai Children’s Hospital, Shanghai, China
| | - Weidong Gan
- Department of Urology, Affiliated Drum Tower Hospital of Medical School of Nanjing University, Nanjing, Jiangsu, China
| | - Fan Pan
- Immunology and Reproduction Biology Laboratory & State Key Laboratory of Analytical Chemistry for Life Science, Medical School, Nanjing University, Nanjing, Jiangsu, China
- Jiangsu Key Laboratory of Molecular Medicine, Nanjing University, Nanjing, Jiangsu, China
| | - Shiyuan Li
- Immunology and Reproduction Biology Laboratory & State Key Laboratory of Analytical Chemistry for Life Science, Medical School, Nanjing University, Nanjing, Jiangsu, China
- Jiangsu Key Laboratory of Molecular Medicine, Nanjing University, Nanjing, Jiangsu, China
| | - Zou Xiang
- Department of Health Technology and Informatics, Faculty of Health and Social Sciences, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
| | - Xiaodong Han
- Immunology and Reproduction Biology Laboratory & State Key Laboratory of Analytical Chemistry for Life Science, Medical School, Nanjing University, Nanjing, Jiangsu, China
- Jiangsu Key Laboratory of Molecular Medicine, Nanjing University, Nanjing, Jiangsu, China
| | - Dongmei Li
- Immunology and Reproduction Biology Laboratory & State Key Laboratory of Analytical Chemistry for Life Science, Medical School, Nanjing University, Nanjing, Jiangsu, China
- Jiangsu Key Laboratory of Molecular Medicine, Nanjing University, Nanjing, Jiangsu, China
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29
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Montagnani V, Maresca L, Apollo A, Pepe S, Carr RM, Fernandez-Zapico ME, Stecca B. E3 ubiquitin ligase PARK2, an inhibitor of melanoma cell growth, is repressed by the oncogenic ERK1/2-ELK1 transcriptional axis. J Biol Chem 2020; 295:16058-16071. [PMID: 32938713 DOI: 10.1074/jbc.ra120.014615] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 09/09/2020] [Indexed: 12/26/2022] Open
Abstract
Malignant melanoma, the most aggressive form of skin cancer, is characterized by high prevalence of BRAF/NRAS mutations and hyperactivation of extracellular signal-regulated kinase 1 and 2 (ERK1/2), mitogen-activated protein kinases (MAPK), leading to uncontrolled melanoma growth. Efficacy of current targeted therapies against mutant BRAF or MEK1/2 have been hindered by existence of innate or development of acquired resistance. Therefore, a better understanding of the mechanisms controlled by MAPK pathway driving melanogenesis will help develop new treatment approaches targeting this oncogenic cascade. Here, we identify E3 ubiquitin ligase PARK2 as a direct target of ELK1, a known transcriptional effector of MAPK signaling in melanoma cells. We show that pharmacological inhibition of BRAF-V600E or ERK1/2 in melanoma cells increases PARK2 expression. PARK2 overexpression reduces melanoma cell growth in vitro and in vivo and induces apoptosis. Conversely, its genetic silencing increases melanoma cell proliferation and reduces cell death. Further, we demonstrate that ELK1 is required by the BRAF-ERK1/2 pathway to repress PARK2 expression and promoter activity in melanoma cells. Clinically, PARK2 is highly expressed in WT BRAF and NRAS melanomas, but it is expressed at low levels in melanomas carrying BRAF/NRAS mutations. Overall, our data provide new insights into the tumor suppressive role of PARK2 in malignant melanoma and uncover a novel mechanism for the negative regulation of PARK2 via the ERK1/2-ELK1 axis. These findings suggest that reactivation of PARK2 may be a promising therapeutic approach to counteract melanoma growth.
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Affiliation(s)
- Valentina Montagnani
- Core Research Laboratory, Institute for Cancer Research, Prevention and Clinical Network (ISPRO), Florence, Italy
| | - Luisa Maresca
- Core Research Laboratory, Institute for Cancer Research, Prevention and Clinical Network (ISPRO), Florence, Italy
| | - Alessandro Apollo
- Core Research Laboratory, Institute for Cancer Research, Prevention and Clinical Network (ISPRO), Florence, Italy
| | - Sara Pepe
- Core Research Laboratory, Institute for Cancer Research, Prevention and Clinical Network (ISPRO), Florence, Italy; Department of Medical Biotechnologies, University of Siena, Siena, Italy
| | - Ryan M Carr
- Division of Oncology Research, Department of Oncology, Schulze Center for Novel Therapeutics, Mayo Clinic, Rochester, Minnesota USA
| | - Martin E Fernandez-Zapico
- Division of Oncology Research, Department of Oncology, Schulze Center for Novel Therapeutics, Mayo Clinic, Rochester, Minnesota USA
| | - Barbara Stecca
- Core Research Laboratory, Institute for Cancer Research, Prevention and Clinical Network (ISPRO), Florence, Italy.
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30
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Ding D, Ao X, Li M, Miao S, Liu Y, Lin Z, Wang M, He Y, Wang J. FOXO3a-dependent Parkin regulates the development of gastric cancer by targeting ATP-binding cassette transporter E1. J Cell Physiol 2020; 236:2740-2755. [PMID: 32914432 DOI: 10.1002/jcp.30040] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2019] [Revised: 08/20/2020] [Accepted: 08/24/2020] [Indexed: 01/12/2023]
Abstract
Gastric cancer (GC) is one of the most common malignant tumors in China and the third leading cause of cancer-related death. Parkin has been shown to be a tumor suppressor in a variety of malignancies, including GC. However, the mechanism of Parkin in GC remains unclear. In this study, the low expression of Parkin in GC cells and patient tumor tissues was observed, and Parkin inhibited proliferation and migration of GC cells. Additionally, doxorubicin (DOX) upregulated the expression of Parkin and promoted its anticancer effect. Forkhead box O3 (FOXO3a) is a crucial transcription factor that involves in the regulation of cancer cell proliferation, apoptosis, and metabolism. Here, we found that FOXO3a inhibits cell proliferation, migration, and promotes apoptosis in GC by regulating Parkin expression at the transcriptional level. In addition, Parkin inhibited cell proliferation, migration, and promoted apoptosis by inhibiting ATP-binding box protein E1 (ABCE1) expression. In summary, our results demonstrated a new regulatory axis of FOXO3a-Parkin-ABCE1 that modulated GC cell proliferation, migration, and apoptosis, and it can serve as a potential therapeutic target in GC.
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Affiliation(s)
- Dan Ding
- School of Basic Medical Sciences, College of Medicine, Qingdao University, Qingdao, China.,Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, China
| | - Xiang Ao
- School of Basic Medical Sciences, College of Medicine, Qingdao University, Qingdao, China.,Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, China
| | - Mengyang Li
- School of Basic Medical Sciences, College of Medicine, Qingdao University, Qingdao, China
| | - Shuo Miao
- School of Basic Medical Sciences, College of Medicine, Qingdao University, Qingdao, China.,Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, China
| | - Ying Liu
- School of Basic Medical Sciences, College of Medicine, Qingdao University, Qingdao, China.,Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, China
| | - Zhijuan Lin
- Key Lab for Immunology in Universities of Shandong Province, School of Clinical Medicine, Weifang Medical University, Weifang, China
| | - Mengyu Wang
- School of Basic Medical Sciences, College of Medicine, Qingdao University, Qingdao, China.,Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, China
| | - Yuqi He
- Department of Gastroenterology, Seventh Medical Center of Chinese PLA General Hospital, Beijing, China.,The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Jianxun Wang
- School of Basic Medical Sciences, College of Medicine, Qingdao University, Qingdao, China.,Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, China
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31
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Mencke P, Hanss Z, Boussaad I, Sugier PE, Elbaz A, Krüger R. Bidirectional Relation Between Parkinson's Disease and Glioblastoma Multiforme. Front Neurol 2020; 11:898. [PMID: 32973662 PMCID: PMC7468383 DOI: 10.3389/fneur.2020.00898] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Accepted: 07/13/2020] [Indexed: 12/18/2022] Open
Abstract
Cancer and Parkinson's disease (PD) define two disease entities that include opposite concepts. Indeed, the involved mechanisms are at different ends of a spectrum related to cell survival - one due to enhanced cellular proliferation and the other due to premature cell death. There is increasing evidence indicating that patients with neurodegenerative diseases like PD have a reduced incidence for most cancers. In support, epidemiological studies demonstrate an inverse association between PD and cancer. Both conditions apparently can involve the same set of genes, however, in affected tissues the expression was inversely regulated: genes that are down-regulated in PD were found to be up-regulated in cancer and vice versa, for example p53 or PARK7. When comparing glioblastoma multiforme (GBM), a malignant brain tumor with poor overall survival, with PD, astrocytes are dysregulated in both diseases in opposite ways. In addition, common genes, that are involved in both diseases and share common key pathways of cell proliferation and metabolism, were shown to be oppositely deregulated in PD and GBM. Here, we provide an overview of the involvement of PD- and GBM-associated genes in common pathways that are dysregulated in both conditions. Moreover, we illustrate why the simultaneous study of PD and GBM regarding the role of common pathways may lead to a deeper understanding of these still incurable conditions. Eventually, considering the inverse regulation of certain genes in PD and GBM will help to understand their mechanistic basis, and thus to define novel target-based strategies for causative treatments.
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Affiliation(s)
- Pauline Mencke
- Translational Neuroscience, Luxembourg Centre for Systems Biomedicine, University of Luxembourg, Luxembourg, Luxembourg
| | - Zoé Hanss
- Translational Neuroscience, Luxembourg Centre for Systems Biomedicine, University of Luxembourg, Luxembourg, Luxembourg
| | - Ibrahim Boussaad
- Translational Neuroscience, Luxembourg Centre for Systems Biomedicine, University of Luxembourg, Luxembourg, Luxembourg
| | | | - Alexis Elbaz
- Institut de Statistique de l'Université de Paris, Paris, France
| | - Rejko Krüger
- Translational Neuroscience, Luxembourg Centre for Systems Biomedicine, University of Luxembourg, Luxembourg, Luxembourg
- Parkinson Research Clinic, Centre Hospitalier de Luxembourg (CHL), Luxembourg, Luxembourg
- Transversal Translational Medicine, Luxembourg Institute of Health (LIH), Luxembourg, Luxembourg
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32
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Li C, Zheng Y, Pu K, Zhao D, Wang Y, Guan Q, Zhou Y. A four-DNA methylation signature as a novel prognostic biomarker for survival of patients with gastric cancer. Cancer Cell Int 2020; 20:88. [PMID: 32206039 PMCID: PMC7085204 DOI: 10.1186/s12935-020-1156-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Accepted: 02/26/2020] [Indexed: 12/24/2022] Open
Abstract
Background Gastric cancer (GC) is the fifth most frequently diagnosed cancer and the third leading cause of cancer-related mortality. Lack of prognostic indicators for patient survival hinders GC treatment and survival. Methods and results Methylation profile data of patients with GC obtained from The Cancer Genome Atlas (TCGA) database were analyzed to identify methylation sites as biomarkers for GC prognosis. The cohort was divided into training and validation sets. Univariate Cox, LASSO regression,and multivariate Cox analyses revealed a close correlation of a four-DNA methylation signature as a risk score model with the overall survival of patients with GC. The survival between high-risk and low-risk score patients with GC was significantly different. Analyses of receiver operating characteristics revealed a high prognostic accuracy of the four-DNA methylation signature in patients with GC. The subgroup analysis indicated that the accuracy included that for anatomical region, histologic grade, TNM stage, pathological stage, and sex. The GC prognosis based on the four-DNA methylation signature was more precise than that based on known biomarkers. Conclusions The four-DNA methylation signature could serve as a novel independent prognostic factor that could be an important tool to predict the prognostic outcome of GC patients. This potential must be verified in a large-scale population cohort study and through basic research studies.
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Affiliation(s)
- Chunmei Li
- 1Key Laboratory for Gastrointestinal Diseases, Gansu Province, The First Hospital of Lanzhou University, Lanzhou, China.,2Department of Oncology, The First Hospital of Lanzhou University, Lanzhou, China
| | - Ya Zheng
- 1Key Laboratory for Gastrointestinal Diseases, Gansu Province, The First Hospital of Lanzhou University, Lanzhou, China.,3Department of Gastroenterology, The First Hospital of Lanzhou University, Lanzhou, China
| | - Ke Pu
- 1Key Laboratory for Gastrointestinal Diseases, Gansu Province, The First Hospital of Lanzhou University, Lanzhou, China.,3Department of Gastroenterology, The First Hospital of Lanzhou University, Lanzhou, China
| | - Da Zhao
- 2Department of Oncology, The First Hospital of Lanzhou University, Lanzhou, China
| | - Yuping Wang
- 1Key Laboratory for Gastrointestinal Diseases, Gansu Province, The First Hospital of Lanzhou University, Lanzhou, China.,3Department of Gastroenterology, The First Hospital of Lanzhou University, Lanzhou, China
| | - Quanlin Guan
- 4Department of Oncology Surgery, The First Hospital of Lanzhou University, Lanzhou, China
| | - Yongning Zhou
- 1Key Laboratory for Gastrointestinal Diseases, Gansu Province, The First Hospital of Lanzhou University, Lanzhou, China.,3Department of Gastroenterology, The First Hospital of Lanzhou University, Lanzhou, China
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33
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Zhang ZL, Wang NN, Ma QL, Chen Y, Yao L, Zhang L, Li QS, Shi MH, Wang HF, Ying Z. Somatic and germline mutations in the tumor suppressor gene PARK2 impair PINK1/Parkin-mediated mitophagy in lung cancer cells. Acta Pharmacol Sin 2020; 41:93-100. [PMID: 31285534 PMCID: PMC7470868 DOI: 10.1038/s41401-019-0260-6] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Accepted: 05/21/2019] [Indexed: 12/11/2022] Open
Abstract
PARK2, which encodes Parkin, is a disease-causing gene for both neurodegenerative disorders and cancer. Parkin can function as a neuroprotector that plays a crucial role in the regulation of mitophagy, and germline mutations in PARK2 are associated with Parkinson's disease (PD). Intriguingly, recent studies suggest that Parkin can also function as a tumor suppressor and that somatic and germline mutations in PARK2 are associated with various human cancers, including lung cancer. However, it is presently unknown how the tumor suppressor activity of Parkin is affected by these mutations and whether it is associated with mitophagy. Herein, we show that wild-type (WT) Parkin can rapidly translocate onto mitochondria following mitochondrial damage and that Parkin promotes mitophagic clearance of mitochondria in lung cancer cells. However, lung cancer-linked mutations inhibit the mitochondrial translocation and ubiquitin-associated activity of Parkin. Among all lung cancer-linked mutants that we tested, A46T Parkin failed to translocate onto mitochondria and could not recruit downstream mitophagic regulators, including optineurin (OPTN) and TFEB, whereas N254S and R275W Parkin displayed slower mitochondrial translocation than WT Parkin. Moreover, we found that deferiprone (DFP), an iron chelator that can induce mitophagy, greatly increased the death of A46T Parkin-expressing lung cancer cells. Taken together, our results reveal a novel mitophagic mechanism in lung cancer, suggesting that lung cancer-linked mutations in PARK2 are associated with impaired mitophagy and identifying DFP as a novel therapeutic agent for PARK2-linked lung cancer and possibly other types of cancers driven by mitophagic dysregulation.
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Post-translational modification of Parkin and its research progress in cancer. Cancer Commun (Lond) 2019; 39:77. [PMID: 31753025 PMCID: PMC6873554 DOI: 10.1186/s40880-019-0421-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Accepted: 11/07/2019] [Indexed: 12/23/2022] Open
Abstract
Clinical practice has shown that Parkin is the major causative gene found in an autosomal recessive juvenile parkinsonism (AR-JP) via Parkin mutations and that the Parkin protein is the core expression product of the Parkin gene, which itself belongs to an E3 ubiquitin ligase. Since the discovery of the Parkin gene in the late 1990s, researchers in many countries have begun extensive research on this gene and found that in addition to AR-JP, the Parkin gene is associated with many diseases, including type 2 diabetes, leprosy, Alzheimer’s, autism, and cancer. Recent studies have found that the loss or dysfunction of Parkin has a certain relationship with tumorigenesis. In general, the Parkin gene, a well-established tumor suppressor, is deficient and mutated in a variety of malignancies. Parkin overexpression inhibits tumor cell growth and promotes apoptosis. However, the functions of Parkin in tumorigenesis and its regulatory mechanisms are still not fully understood. This article describes the structure, functions, and post-translational modifications of Parkin, and summarizes the recent advances in the tumor suppressive function of Parkin and its underlying mechanisms.
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Parkin facilitates proteasome inhibitor-induced apoptosis via suppression of NF-κB activity in hepatocellular carcinoma. Cell Death Dis 2019; 10:719. [PMID: 31558697 PMCID: PMC6763437 DOI: 10.1038/s41419-019-1881-x] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2019] [Revised: 07/17/2019] [Accepted: 07/30/2019] [Indexed: 12/30/2022]
Abstract
The ubiquitin–proteasome system (UPS) is a tight homeostatic control mechanism of intracellular protein degradation and turnover involved in many human diseases. Proteasome inhibitors were initially developed as anticancer agents with potential benefits in the suppression of tumor growth. However, clinical trials of patients with solid tumors fail to demonstrate the same efficacy of these proteasome inhibitors. Here, we show that Parkin, an E3 ubiquitin ligase, is implicated in tumorigenesis and therapy resistance of hepatocellular carcinoma (HCC), the most common type of primary liver cancer in adults. Lower Parkin expression correlates with poor survival in patients with HCC. Ectopic Parkin expression enhances proteasome inhibitor-induced apoptosis and tumor suppression in HCC cells in vitro and in vivo. In contrast, knockdown of Parkin expression promotes apoptosis resistance and tumor growth. Mechanistically, Parkin promotes TNF receptor-associated factor (TRAF) 2 and TRAF6 degradation and thus facilitates nuclear factor-kappa-B (NF-κB) inhibition, which finally results in apoptosis. These findings reveal a direct molecular link between Parkin and protein degradation in the control of the NF-κB pathway and may provide a novel UPS-dependent strategy for the treatment of HCC by induction of apoptosis.
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Gargini R, Segura-Collar B, Sánchez-Gómez P. Novel Functions of the Neurodegenerative-Related Gene Tau in Cancer. Front Aging Neurosci 2019; 11:231. [PMID: 31551755 PMCID: PMC6736573 DOI: 10.3389/fnagi.2019.00231] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Accepted: 08/13/2019] [Indexed: 12/14/2022] Open
Abstract
The analysis of global and comparative genomics between different diseases allows us to understand the key biological processes that explain the etiology of these pathologies. We have used this type of approach to evaluate the expression of several neurodegeneration-related genes on the development of tumors, particularly brain tumors of glial origin (gliomas), which are an aggressive and incurable type of cancer. We have observed that genes involved in Amyotrophic lateral sclerosis (ALS), as well as in Alzheimer’s and Parkinson’s diseases, correlate with better prognosis of gliomas. Within these genes, high Tau/MAPT expression shows the strongest correlation with several indicators of prolonged survival on glioma patients. Tau protein regulates microtubule stability and dynamics in neurons, although there have been reports of its expression in glial cells and also in gliomas. However, little is known about the regulation of Tau/MAPT transcription in tumors. Moreover, our in silico analysis indicates that this gene is also expressed in a variety of tumors, showing a general correlation with survival, although its function in cancer has not yet been addressed. Another remarkable aspect of Tau is its involvement in resistance to taxanes in various tumors types such as breast, ovarian and gastric carcinomas. This is due to the fact that taxanes have the same tubulin-binding site as Tau. In the present work we review the main knowledge about Tau function and expression in tumors, with a special focus on brain cancer. We will also speculate with the therapeutic implications of these findings.
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Duan H, Lei Z, Xu F, Pan T, Lu D, Ding P, Zhu C, Pan C, Zhang S. PARK2 Suppresses Proliferation and Tumorigenicity in Non-small Cell Lung Cancer. Front Oncol 2019; 9:790. [PMID: 31508359 PMCID: PMC6716169 DOI: 10.3389/fonc.2019.00790] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Accepted: 08/06/2019] [Indexed: 12/26/2022] Open
Abstract
Aims: PARK2 mutation is originally associated with the progression of Parkinson's disease. In recent years, PARK2 has been reported as a tumor suppressor gene in various cancers, including lung cancer. However, the biological functions and potential molecular mechanisms of PARK2 in non-small cell lung cancer (NSCLC) are still unclear. Methods: The level of PARK2 expression in 32 tissue samples of NSCLC and matched non-tumor lung tissues was detected by Western blot, and 64 specimens of NSCLC tissues were detected by immunohistochemistry. H1299 and H460 cell lines were used to PARK2 overexpression models, and H460 cell line was also used to PARK2 knockdown model. Using cell viability, colony formation, cell cycle, apoptosis, migration, and invasion assay, the biological functions of PARK2 were evaluated and the potential molecular mechanism of PARK2 was investigated in vitro. Meanwhile, 22 nude mice were employed for in vivo studies. Results: Western blot analysis revealed a decrease of PARK2 protein expression in human NSCLC samples. Immunohistochemistry also identified a vastly reduced expression of PARK2 in NSCLC (72%) and low PARK2 expression was significantly associated with tumor histological grade, lymph node metastasis and advanced TNM stage. Overexpression of PARK2 suppressed cell proliferation, colony formation, migration, and invasion, arrested cell cycle progression in the G1 phase, and induced apoptosis in human non-small cell lines H1299 and H460 in vitro. Meanwhile, knockdown of PARK2 had the opposite biological functions. In addition, PARK2 significantly decreased the tumor volumes in subcutaneous xenograft model and reduced the incidence of metastatic tumors in the transfer model. Exploration of the molecular mechanism of PARK2 in NSCLC showed that PARK2 negatively regulated the EGFR/AKT/mTOR signaling pathway. Conclusions: PARK2 was an important tumor suppressor in NSCLC, which might inhibit cancer growth and metastases through the down regulation of the EGFR/AKT/mTOR signaling pathway.
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Affiliation(s)
- Huijie Duan
- Department of Medical Oncology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, The Second Affiliated Hospital, School of Medicine, Cancer Institute, Zhejiang University, Hangzhou, China
| | - Zhong Lei
- Department of Orthopedics Research Institute, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Fei Xu
- Department of Oncology, Municipal Hospital of Qingdao, Qingdao, China
| | - Tao Pan
- Department of Breast Surgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Demin Lu
- Department of Medical Oncology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, The Second Affiliated Hospital, School of Medicine, Cancer Institute, Zhejiang University, Hangzhou, China
| | - Peili Ding
- Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, The Second Affiliated Hospital, School of Medicine, Cancer Institute, Zhejiang University, Hangzhou, China
| | - Chunpeng Zhu
- Department of Gastroenterology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Chi Pan
- Department of Breast Surgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Suzhan Zhang
- Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, The Second Affiliated Hospital, School of Medicine, Cancer Institute, Zhejiang University, Hangzhou, China.,Research Center for Air Pollution and Health, School of Medicine, Zhejiang University, Hangzhou, China
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Wahabi K, Perwez A, Kamarudheen S, Bhat ZI, Mehta A, Rizvi MMA. Parkin gene mutations are not common, but its epigenetic inactivation is a frequent event and predicts poor survival in advanced breast cancer patients. BMC Cancer 2019; 19:820. [PMID: 31429726 PMCID: PMC6700819 DOI: 10.1186/s12885-019-6013-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Accepted: 08/05/2019] [Indexed: 12/20/2022] Open
Abstract
Background Progression of breast cancer involves both genetic and epigenetic factors. Parkin gene has been identified as a tumor suppressor gene in the pathogenesis of various cancers. Nevertheless, the putative role of Parkin in breast cancer remains largely unknown. Therefore, we evaluated the regulation of Parkin through both genetic and epigenetic mechanisms in breast carcinoma. Method A total of 156 breast carcinoma and their normal adjacent tissue samples were included for mutational analysis through SSCP, and sequencing. MS-PCR was employed for methylation study whereas Parkin protein expression was evaluated using immunohistochemistry and western blotting. For the survival analysis, Kaplan–Meier curve and Cox’s proportional hazard model were used. Results In expression analysis, Parkin protein expression was found to be absent in 68% cases of breast cancer. We found that aberrant promoter methylation of Parkin gene is a frequent incident in breast cancer tumors and cell lines. Our MS-PCR result showed that Parkin promoter methylation has a significant role (p = 0.0001) in reducing the expression of Parkin protein. Consistently, expression of Parkin was rectified by treatment with 5-aza-2-deoxycytidine. We also found significant associations of both Parkin negative expression and Parkin promoter methylation with the clinical variables. Furthermore, we found a very low frequency (5.7%) of Parkin mutation with no clinical significance. In survival analysis, patients having Parkin methylation and Parkin loss had a worse outcome compared to those harboring none of these events. Conclusion Overall, these results suggested that promoter methylation-mediated loss of Parkin expression could be used as a prognostic marker for the survival of breast cancer. Electronic supplementary material The online version of this article (10.1186/s12885-019-6013-6) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Khushnuma Wahabi
- Genome Biology Laboratory, Department of Biosciences, Jamia Millia Islamia, New Delhi, 110025, India
| | - Ahmad Perwez
- Genome Biology Laboratory, Department of Biosciences, Jamia Millia Islamia, New Delhi, 110025, India
| | - Shabeena Kamarudheen
- Genome Biology Laboratory, Department of Biosciences, Jamia Millia Islamia, New Delhi, 110025, India
| | - Zafar Iqbal Bhat
- Genome Biology Laboratory, Department of Biosciences, Jamia Millia Islamia, New Delhi, 110025, India
| | - Anurag Mehta
- Department of Laboratory & Transfusion Services and Director Research, Rajiv Gandhi Cancer Institute, Rohini, Delhi, 110085, India
| | - M Moshahid A Rizvi
- Genome Biology Laboratory, Department of Biosciences, Jamia Millia Islamia, New Delhi, 110025, India.
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Tan MSY, Sandanaraj E, Chong YK, Lim SW, Koh LWH, Ng WH, Tan NS, Tan P, Ang BT, Tang C. A STAT3-based gene signature stratifies glioma patients for targeted therapy. Nat Commun 2019; 10:3601. [PMID: 31399589 PMCID: PMC6689009 DOI: 10.1038/s41467-019-11614-x] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Accepted: 07/25/2019] [Indexed: 12/31/2022] Open
Abstract
Intratumoral heterogeneity is a hallmark of glioblastoma (GBM) tumors, thought to negatively influence therapeutic outcome. Previous studies showed that mesenchymal tumors have a worse outcome than the proneural subtype. Here we focus on STAT3 as its activation precedes the proneural-mesenchymal transition. We first establish a STAT3 gene signature that stratifies GBM patients into STAT3-high and -low cohorts. STAT3 inhibitor treatment selectively mitigates STAT3-high cell viability and tumorigenicity in orthotopic mouse xenograft models. We show the mechanism underlying resistance in STAT3-low cells by combining STAT3 signature analysis with kinome screen data on STAT3 inhibitor-treated cells. This allows us to draw connections between kinases affected by STAT3 inhibitors, their associated transcription factors and target genes. We demonstrate that dual inhibition of IGF-1R and STAT3 sensitizes STAT3-low cells and improves survival in mice. Our study underscores the importance of serially profiling tumors so as to accurately target individuals who may demonstrate molecular subtype switching.
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Affiliation(s)
- Melanie Si Yan Tan
- Neuro-Oncology Research Laboratory, Department of Research, National Neuroscience Institute, Singapore, Singapore.,School of Biological Sciences, Nanyang Technological University, Singapore, Singapore
| | - Edwin Sandanaraj
- Neuro-Oncology Research Laboratory, Department of Research, National Neuroscience Institute, Singapore, Singapore.,School of Biological Sciences, Nanyang Technological University, Singapore, Singapore.,Singapore Institute for Clinical Sciences, Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
| | - Yuk Kien Chong
- Neuro-Oncology Research Laboratory, Department of Research, National Neuroscience Institute, Singapore, Singapore
| | - See Wee Lim
- Neuro-Oncology Research Laboratory, Department of Research, National Neuroscience Institute, Singapore, Singapore
| | - Lynnette Wei Hsien Koh
- Neuro-Oncology Research Laboratory, Department of Research, National Neuroscience Institute, Singapore, Singapore.,School of Biological Sciences, Nanyang Technological University, Singapore, Singapore
| | - Wai Hoe Ng
- Department of Neurosurgery, National Neuroscience Institute, Singapore, Singapore.,Duke-National University of Singapore Medical School, Singapore, Singapore
| | - Nguan Soon Tan
- School of Biological Sciences, Nanyang Technological University, Singapore, Singapore.,Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), Singapore, Singapore.,Lee Kong Chian School of Medicine, Nanyang Technology University, Singapore, Singapore
| | - Patrick Tan
- Duke-National University of Singapore Medical School, Singapore, Singapore.,Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Beng Ti Ang
- Singapore Institute for Clinical Sciences, Agency for Science, Technology and Research (A*STAR), Singapore, Singapore. .,Department of Neurosurgery, National Neuroscience Institute, Singapore, Singapore. .,Duke-National University of Singapore Medical School, Singapore, Singapore. .,Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.
| | - Carol Tang
- Neuro-Oncology Research Laboratory, Department of Research, National Neuroscience Institute, Singapore, Singapore. .,Duke-National University of Singapore Medical School, Singapore, Singapore. .,Division of Cellular and Molecular Research, Humphrey Oei Institute of Cancer Research, National Cancer Centre, Singapore, Singapore.
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Lee YS, Jung YY, Park MH, Yeo IJ, Im HS, Nam KT, Kim HD, Kang SK, Song JK, Kim YR, Choi DY, Park PH, Han SB, Yun JS, Hong JT. Deficiency of parkin suppresses melanoma tumor development and metastasis through inhibition of MFN2 ubiquitination. Cancer Lett 2018; 433:156-164. [DOI: 10.1016/j.canlet.2018.07.007] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2017] [Revised: 06/30/2018] [Accepted: 07/03/2018] [Indexed: 12/31/2022]
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Meyer N, Zielke S, Michaelis JB, Linder B, Warnsmann V, Rakel S, Osiewacz HD, Fulda S, Mittelbronn M, Münch C, Behrends C, Kögel D. AT 101 induces early mitochondrial dysfunction and HMOX1 (heme oxygenase 1) to trigger mitophagic cell death in glioma cells. Autophagy 2018; 14:1693-1709. [PMID: 29938581 DOI: 10.1080/15548627.2018.1476812] [Citation(s) in RCA: 78] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
In most cases, macroautophagy/autophagy serves to alleviate cellular stress and acts in a pro-survival manner. However, the effects of autophagy are highly contextual, and autophagic cell death (ACD) is emerging as an alternative paradigm of (stress- and drug-induced) cell demise. AT 101 ([-]-gossypol), a natural compound from cotton seeds, induces ACD in glioma cells as confirmed here by CRISPR/Cas9 knockout of ATG5 that partially, but significantly rescued cell survival following AT 101 treatment. Global proteomic analysis of AT 101-treated U87MG and U343 glioma cells revealed a robust decrease in mitochondrial protein clusters, whereas HMOX1 (heme oxygenase 1) was strongly upregulated. AT 101 rapidly triggered mitochondrial membrane depolarization, engulfment of mitochondria within autophagosomes and a significant reduction of mitochondrial mass and proteins that did not depend on the presence of BAX and BAK1. Conversely, AT 101-induced reduction of mitochondrial mass could be reversed by inhibiting autophagy with wortmannin, bafilomycin A1 and chloroquine. Silencing of HMOX1 and the mitophagy receptors BNIP3 (BCL2 interacting protein 3) and BNIP3L (BCL2 interacting protein 3 like) significantly attenuated AT 101-dependent mitophagy and cell death. Collectively, these data suggest that early mitochondrial dysfunction and HMOX1 overactivation synergize to trigger lethal mitophagy, which contributes to the cell killing effects of AT 101 in glioma cells. ABBREVIATIONS ACD, autophagic cell death; ACN, acetonitrile; AT 101, (-)-gossypol; BAF, bafilomycin A1; BAK1, BCL2-antagonist/killer 1; BAX, BCL2-associated X protein; BH3, BCL2 homology region 3; BNIP3, BCL2 interacting protein 3; BNIP3L, BCL2 interacting protein 3 like; BP, Biological Process; CCCP, carbonyl cyanide m-chlorophenyl hydrazone; CC, Cellular Component; Con, control; CQ, chloroquine; CRISPR, clustered regularly interspaced short palindromic repeats; DMEM, Dulbecco's Modified Eagle Medium; DTT, 1,4-dithiothreitol; EM, electron microscopy; ER, endoplasmatic reticulum; FACS, fluorescence-activated cell sorting; FBS, fetal bovine serum; FCCP, carbonyl cyanide 4-(trifluoromethoxy)phenylhydrazone; GO, Gene Ontology; HAcO, acetic acid; HMOX1, heme oxygenase 1; DKO, double knockout; LC-MS/MS, liquid chromatography coupled to tandem mass spectrometry; LPL, lipoprotein lipase, MEFs, mouse embryonic fibroblasts; mPTP, mitochondrial permeability transition pore; MTG, MitoTracker Green FM; mt-mKeima, mito-mKeima; MT-ND1, mitochondrially encoded NADH:ubiquinone oxidoreductase core subunit 1; PBS, phosphate-buffered saline; PE, phosphatidylethanolamine; PI, propidium iodide; PRKN, parkin RBR E3 ubiquitin protein ligase; SDS, sodium dodecyl sulfate; SQSTM1/p62, sequestome 1; STS, staurosporine; sgRNA, single guide RNA; SILAC, stable isotope labeling with amino acids in cell culture; TFA, trifluoroacetic acid, TMRM, tetramethylrhodamine methyl ester perchlorate; WM, wortmannin; WT, wild-type.
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Affiliation(s)
- Nina Meyer
- a Experimental Neurosurgery , Goethe University Hospital Frankfurt/Main , Germany
| | - Svenja Zielke
- b Experimental Cancer Research in Pediatrics , Goethe University Hospital Frankfurt/Main , Germany
| | - Jonas B Michaelis
- c Institute of Biochemistry II , Goethe University Hospital Frankfurt/Main , Germany
| | - Benedikt Linder
- a Experimental Neurosurgery , Goethe University Hospital Frankfurt/Main , Germany
| | - Verena Warnsmann
- d Institute of Molecular Biosciences , Goethe University Frankfurt/Main , Germany
| | - Stefanie Rakel
- a Experimental Neurosurgery , Goethe University Hospital Frankfurt/Main , Germany
| | - Heinz D Osiewacz
- d Institute of Molecular Biosciences , Goethe University Frankfurt/Main , Germany
| | - Simone Fulda
- b Experimental Cancer Research in Pediatrics , Goethe University Hospital Frankfurt/Main , Germany.,e University Cancer Center Frankfurt (UCT) , Frankfurt/Main , Germany.,f German Cancer Consortium (DKTK) , Partner Site Frankfurt, Frankfurt/Main , Germany
| | - Michel Mittelbronn
- f German Cancer Consortium (DKTK) , Partner Site Frankfurt, Frankfurt/Main , Germany.,g Institute of Neurology (Edinger Institute) , Goethe University Frankfurt/Main , Germany.,h Luxembourg Centre of Neuropathology (LCNP) , Luxembourg , Luxembourg.,i Laboratoire National de Santé (LNS) , Dudelange , Luxembourg.,j Luxembourg Centre for Systems Biomedicine (LCSB) , University of Luxembourg , Luxembourg , Luxembourg.,k Department of Oncology, Luxembourg Institute of Health (LIH) , NORLUX Neuro-Oncology Laboratory , Luxembourg , Luxembourg.,l Luxembourg Centre of Neuropathology (LCNP) , Dudelange , Luxembourg
| | - Christian Münch
- c Institute of Biochemistry II , Goethe University Hospital Frankfurt/Main , Germany
| | - Christian Behrends
- c Institute of Biochemistry II , Goethe University Hospital Frankfurt/Main , Germany.,m Munich Cluster for Systems Neurology (SyNergy), Medical Faculty , Ludwig-Maximilians-University (LMU) Munich , Munich , Germany
| | - Donat Kögel
- a Experimental Neurosurgery , Goethe University Hospital Frankfurt/Main , Germany.,e University Cancer Center Frankfurt (UCT) , Frankfurt/Main , Germany
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Liu J, Zhang C, Hu W, Feng Z. Parkinson's disease-associated protein Parkin: an unusual player in cancer. Cancer Commun (Lond) 2018; 38:40. [PMID: 29941042 PMCID: PMC6020249 DOI: 10.1186/s40880-018-0314-z] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2018] [Accepted: 06/11/2018] [Indexed: 12/18/2022] Open
Abstract
The mutation of the Parkin gene is a cause of familial Parkinson’s disease. A growing body of evidence suggests that Parkin also functions as a tumor suppressor. Parkin is an ubiquitin E3 ligase, and plays important roles in a variety of cellular processes implicated in tumorigenesis, including cell cycle, cell proliferation, apoptosis, metastasis, mitophagy and metabolic reprogramming. Here we review the role and mechanism of Parkin in cancer.
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Affiliation(s)
- Juan Liu
- Department of Radiation Oncology, Rutgers Cancer Institute of New Jersey, Rutgers, State University of New Jersey, New Brunswick, NJ, 08903, USA
| | - Cen Zhang
- Department of Radiation Oncology, Rutgers Cancer Institute of New Jersey, Rutgers, State University of New Jersey, New Brunswick, NJ, 08903, USA
| | - Wenwei Hu
- Department of Radiation Oncology, Rutgers Cancer Institute of New Jersey, Rutgers, State University of New Jersey, New Brunswick, NJ, 08903, USA. .,Department of Pharmacology, Rutgers Cancer Institute of New Jersey, Rutgers, State University of New Jersey, New Brunswick, NJ, 08903, USA.
| | - Zhaohui Feng
- Department of Radiation Oncology, Rutgers Cancer Institute of New Jersey, Rutgers, State University of New Jersey, New Brunswick, NJ, 08903, USA. .,Department of Pharmacology, Rutgers Cancer Institute of New Jersey, Rutgers, State University of New Jersey, New Brunswick, NJ, 08903, USA.
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Abstract
Osteosarcoma (OS) is the most common primary malignant bone tumor mainly occurring in children and adolescents. In past decades, studies revealed that PARK2 was a vital tumor suppressor gene in many malignant solid tumors. However, the role of PARK2 in OS remains largely unclear. Therefore, we assessed PARK2 expression in OS tissue and adjacent non-tumor tissues by immunohistochemical (IHC) analysis, and evaluated PARK2 mRNA expression in OS cell lines by real-time PCR analysis. The HOS and U2OS cell lines were employed to establish a PARK2 overexpression model. Using this model, we investigated the potential role of PARK2 in OS and explored the underlying molecular mechanisms. Our study showed PARK2 was downregulated in OS tissue and cell lines, which was significantly associated with higher tumor stage (P < 0.05). Overexpression of PARK2 arrested the cell cycle, inhibited cell proliferation, migration, and invasion, induced cell apoptosis, and reduced tube formation in vitro. Moreover, overexpression of PARK2 significantly suppressed tumor growth and angiogenesis in vivo. Additionally, PARK2 negatively regulated OS development through the JAK2/STAT3/VEGF pathway. Our findings demonstrate that PARK2 is a tumor suppressor gene that may negatively affect OS growth and angiogenesis via partly inhibiting the JAK2/STAT3/VEGF signaling pathway.
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Williams JA, Ding WX. Mechanisms, pathophysiological roles and methods for analyzing mitophagy - recent insights. Biol Chem 2018; 399:147-178. [PMID: 28976892 DOI: 10.1515/hsz-2017-0228] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Accepted: 09/13/2017] [Indexed: 12/17/2022]
Abstract
In 2012, we briefly summarized the mechanisms, pathophysiological roles and methods for analyzing mitophagy. As then, the mitophagy field has continued to grow rapidly, and many new molecular mechanisms regulating mitophagy and molecular tools for monitoring mitophagy have been discovered and developed. Therefore, the purpose of this review is to update information regarding these advances in mitophagy while focusing on basic molecular mechanisms of mitophagy in different organisms and its pathophysiological roles. We also discuss the advantage and limitations of current methods to monitor and quantify mitophagy in cultured cells and in vivo mouse tissues.
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Affiliation(s)
- Jessica A Williams
- Department of Pharmacology, Toxicology and Therapeutics, University of Kansas Medical Center, 3901 Rainbow Blvd., Kansas City, KS 66160, USA
| | - Wen-Xing Ding
- Department of Pharmacology, Toxicology and Therapeutics, University of Kansas Medical Center, Kansas City, KS 66160, USA
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Abstract
The cellular response to external stress signals and DNA damage depends on the activity of ubiquitin ligases (E3s), which regulate numerous cellular processes, including homeostasis, metabolism and cell cycle progression. E3s recognize, interact with and ubiquitylate protein substrates in a temporally and spatially regulated manner. The topology of the ubiquitin chains dictates the fate of the substrates, marking them for recognition and degradation by the proteasome or altering their subcellular localization or assembly into functional complexes. Both genetic and epigenetic alterations account for the deregulation of E3s in cancer. Consequently, the stability and/or activity of E3 substrates are also altered, in some cases leading to downregulation of tumour-suppressor activities and upregulation of oncogenic activities. A better understanding of the mechanisms underlying E3 regulation and function in tumorigenesis is expected to identify novel prognostic markers and to enable the development of the next generation of anticancer therapies. This Review summarizes the oncogenic and tumour-suppressor roles of selected E3s and highlights novel opportunities for therapeutic intervention.
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Affiliation(s)
- Daniela Senft
- Sanford Burnham Prebys Medical Discovery Institute, La Jolla, California 92130, USA
| | - Jianfei Qi
- University of Maryland School of Medicine, Baltimore, Maryland 21201, USA
| | - Ze'ev A Ronai
- Sanford Burnham Prebys Medical Discovery Institute, La Jolla, California 92130, USA
- Technion Integrated Cancer Center, Technion, Israel Institute of Technology Faculty of Medicine, Haifa 31096, Israel
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Parkin in Parkinson’s Disease and Cancer: a Double-Edged Sword. Mol Neurobiol 2018; 55:6788-6800. [DOI: 10.1007/s12035-018-0879-1] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Accepted: 01/07/2018] [Indexed: 12/19/2022]
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da Silva-Camargo CCV, Svoboda Baldin RK, Costacurta Polli NL, Agostinho AP, Olandosk M, de Noronha L, Sotomaior VS. Parkin protein expression and its impact on survival of patients with advanced colorectal cancer. Cancer Biol Med 2018; 15:61-69. [PMID: 29545969 PMCID: PMC5842336 DOI: 10.20892/j.issn.2095-3941.2017.0136] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Objective Features of colorectal cancer such as natural history, molecular, chromosomal, and epigenetic alterations have been well described. However, there is still a lack of accurate prognostic markers, which is evident by the lower overall survival rates of patients with advanced cancer. Although alterations in parkin protein expression have been described in colorectal cancer, the functional significance of this protein remains unknown. The present study aimed to investigate the involvement of parkin expression in colorectal adenocarcinoma development and progression by evaluating the association between its expression, clinicopathological parameters, and expression of known proteins involved in colorectal cancer. Methods Tissue microarrays consisting of 73 tumor and 64 normal tissue samples were generated to examine parkin expression and localization by immunohistochemistry. Results A positive correlation of parkin and APC expression was observed in the superficial, intermediate, and profound regions of all cases (ρ = 0.37; P = 0.001). Parkin expression was also significantly associated with tumors in men (P = 0.049), those of the mucinous subtype (P = 0.028), and of advanced stage (III + IV, P = 0.041). In addition, increased parkin expression was observed in the invasive front tumor region (P = 0.013). More importantly, a positive correlation was found between parkin expression and the overall survival of patients with advanced colorectal cancer (P = 0.019). Multivariate analysis showed that parkin expression was independent of any of the clinicopathological parameters evaluated in relation to patient survival. Conclusions These results suggest that parkin expression status can be used as a potential independent prognostic marker of survival in advanced colorectal cancer.
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Affiliation(s)
- Claudia Caroline Veloso da Silva-Camargo
- Group for Advanced Molecular Investigation (NIMA), School of Health and Biosciences, Pontifícia Universidade Católica do Paraná (PUCPR), Curitiba 80215-901, Brazil
| | - Rosimeri Kuhl Svoboda Baldin
- Group for Advanced Molecular Investigation (NIMA), School of Health and Biosciences, Pontifícia Universidade Católica do Paraná (PUCPR), Curitiba 80215-901, Brazil
| | - Nayanne Louise Costacurta Polli
- Group for Advanced Molecular Investigation (NIMA), School of Health and Biosciences, Pontifícia Universidade Católica do Paraná (PUCPR), Curitiba 80215-901, Brazil
| | - Amanda Pereira Agostinho
- Group for Advanced Molecular Investigation (NIMA), School of Health and Biosciences, Pontifícia Universidade Católica do Paraná (PUCPR), Curitiba 80215-901, Brazil
| | - Marcia Olandosk
- Group for Advanced Molecular Investigation (NIMA), School of Health and Biosciences, Pontifícia Universidade Católica do Paraná (PUCPR), Curitiba 80215-901, Brazil
| | - Lúcia de Noronha
- Group for Advanced Molecular Investigation (NIMA), School of Health and Biosciences, Pontifícia Universidade Católica do Paraná (PUCPR), Curitiba 80215-901, Brazil.,Hospital de Clínicas da Universidade Federal do Paraná (HC-UFPR), Curitiba 80215-901, Brazil
| | - Vanessa Santos Sotomaior
- Group for Advanced Molecular Investigation (NIMA), School of Health and Biosciences, Pontifícia Universidade Católica do Paraná (PUCPR), Curitiba 80215-901, Brazil
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Voigt A, Nowick K, Almaas E. A composite network of conserved and tissue specific gene interactions reveals possible genetic interactions in glioma. PLoS Comput Biol 2017; 13:e1005739. [PMID: 28957313 PMCID: PMC5634634 DOI: 10.1371/journal.pcbi.1005739] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2016] [Revised: 10/10/2017] [Accepted: 08/24/2017] [Indexed: 02/08/2023] Open
Abstract
Differential co-expression network analyses have recently become an important step in the investigation of cellular differentiation and dysfunctional gene-regulation in cell and tissue disease-states. The resulting networks have been analyzed to identify and understand pathways associated with disorders, or to infer molecular interactions. However, existing methods for differential co-expression network analysis are unable to distinguish between various forms of differential co-expression. To close this gap, here we define the three different kinds (conserved, specific, and differentiated) of differential co-expression and present a systematic framework, CSD, for differential co-expression network analysis that incorporates these interactions on an equal footing. In addition, our method includes a subsampling strategy to estimate the variance of co-expressions. Our framework is applicable to a wide variety of cases, such as the study of differential co-expression networks between healthy and disease states, before and after treatments, or between species. Applying the CSD approach to a published gene-expression data set of cerebral cortex and basal ganglia samples from healthy individuals, we find that the resulting CSD network is enriched in genes associated with cognitive function, signaling pathways involving compounds with well-known roles in the central nervous system, as well as certain neurological diseases. From the CSD analysis, we identify a set of prominent hubs of differential co-expression, whose neighborhood contains a substantial number of genes associated with glioblastoma. The resulting gene-sets identified by our CSD analysis also contain many genes that so far have not been recognized as having a role in glioblastoma, but are good candidates for further studies. CSD may thus aid in hypothesis-generation for functional disease-associations.
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Affiliation(s)
- André Voigt
- Network Systems Biology Group, Department of Biotechnology, NTNU - Norwegian University of Science and Technology, Trondheim, Norway
| | - Katja Nowick
- Bioinformatics Group, Department of Computer Science, and Interdisciplinary Center for Bioinformatics, University of Leipzig, Leipzig, Germany
- Bioinformatics, Institute of Animal Science, University of Hohenheim, Stuttgart, Germany
- Human Biology, Institute for Biology, Free University Berlin, Berlin, Germany
| | - Eivind Almaas
- Network Systems Biology Group, Department of Biotechnology, NTNU - Norwegian University of Science and Technology, Trondheim, Norway
- K.G. Jebsen Center for Genetic Epidemiology, Department of Public Health and General Practice, NTNU - Norwegian University of Science and Technology, Trondheim, Norway
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Drapalo K, Jozwiak J. Parkin, PINK1 and DJ1 as possible modulators of mTOR pathway in ganglioglioma. Int J Neurosci 2017; 128:167-174. [DOI: 10.1080/00207454.2017.1366906] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Katarzyna Drapalo
- Center for Biostructure Research, Department of Histology and Embryology, Medical University of Warsaw, Warsaw, Poland
| | - Jaroslaw Jozwiak
- Center for Biostructure Research, Department of Histology and Embryology, Medical University of Warsaw, Warsaw, Poland
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Wang H, Jiang Z, Na M, Ge H, Tang C, Shen H, Lin Z. PARK2 negatively regulates the metastasis and epithelial-mesenchymal transition of glioblastoma cells via ZEB1. Oncol Lett 2017; 14:2933-2939. [PMID: 28928831 PMCID: PMC5588166 DOI: 10.3892/ol.2017.6488] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2016] [Accepted: 04/24/2017] [Indexed: 12/19/2022] Open
Abstract
Glioblastoma multiforme (GBM), one of the most aggressive human malignant brain tumors, is induced by multiple complex pathological mechanisms. The main cause of mortality in patients with GBM is the invasion-metastasis cascade of tumor cells. The dysfunction of Parkinson protein 2 E3 ubiquitin protein ligase (PARK2) is closely linked with the development of certain human cancers. However, whether PARK2 is associated with metastasis in GBM remains unknown. The present study demonstrated that the metastasis and invasion of U87 cells were significantly repressed by PARK2 overexpression. Conversely, knockdown of PARK2 facilitated the metastasis and invasion of A172 cells. Furthermore, PARK2 downregulated zinc finger E-box-binding homeobox 1 (ZEB1) expression and mitigated epithelial-mesenchymal transition (EMT). Promoter effects of PARK2 knockdown on cell metastasis and EMT were antagonized by silencing ZEB1 expression. These results indicated that PARK2 participated in regulating the invasion-metastasis cascade of cancer cells by depressing ZEB1 expression and acting as a metastasis suppressor in GBM progression, providing a potential therapeutic approach for GBM treatment.
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Affiliation(s)
- Haiyang Wang
- Department of Neurosurgery, The First Affiliated Clinical Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Zhenfeng Jiang
- Department of Neurosurgery, The First Affiliated Clinical Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Meng Na
- Department of Neurosurgery, The First Affiliated Clinical Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Haitao Ge
- Department of Neurosurgery, The First Affiliated Clinical Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Chongyang Tang
- Department of Neurosurgery, The First Affiliated Clinical Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Hong Shen
- Department of Neurosurgery, The First Affiliated Clinical Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Zhiguo Lin
- Department of Neurosurgery, The First Affiliated Clinical Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
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