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Lv H, Qian D, Xu S, Fan G, Qian Q, Cha D, Qian X, Zhou G, Lu B. Modulation of long noncoding RNAs by polyphenols as a novel potential therapeutic approach in lung cancer: A comprehensive review. Phytother Res 2024; 38:3240-3267. [PMID: 38739454 DOI: 10.1002/ptr.8202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 03/10/2024] [Accepted: 03/19/2024] [Indexed: 05/16/2024]
Abstract
Lung cancer stands as a formidable global health challenge, necessitating innovative therapeutic strategies. Polyphenols, bioactive compounds synthesized by plants, have garnered attention for their diverse health benefits, particularly in combating various cancers, including lung cancer. The advent of whole-genome and transcriptome sequencing technologies has illuminated the pivotal roles of long noncoding RNAs (lncRNAs), operating at epigenetic, transcriptional, and posttranscriptional levels, in cancer progression. This review comprehensively explores the impact of polyphenols on both oncogenic and tumor-suppressive lncRNAs in lung cancer, elucidating on their intricate regulatory mechanisms. The comprehensive examination extends to the potential synergies when combining polyphenols with conventional treatments like chemotherapy, radiation, and immunotherapy. Recognizing the heterogeneity of lung cancer subtypes, the review emphasizes the need for the integration of nanotechnology for optimized polyphenol delivery and personalized therapeutic approaches. In conclusion, we collect the latest research, offering a holistic overview of the evolving landscape of polyphenol-mediated modulation of lncRNAs in lung cancer therapy. The integration of polyphenols and lncRNAs into multidimensional treatment strategies holds promise for enhancing therapeutic efficacy and navigating the challenges associated with lung cancer treatment.
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Affiliation(s)
- Hong Lv
- Department of Pulmonary and Critical Care Medicine, Taicang TCM Hospital, Taicang, China
| | - Dawei Qian
- Department of Thoracic Surgery, Tongling Yi'an District People's Hospital, Tongling, China
| | - Shuhua Xu
- Department of Cardiothoracic Surgery, Dongtai Hospital of Traditional Chinese Medicine, Dongtai, China
| | - Guiqin Fan
- Department of Pulmonary and Critical Care Medicine, Taicang TCM Hospital, Taicang, China
| | - Qiuhong Qian
- Department of Pulmonary and Critical Care Medicine, Taicang TCM Hospital, Taicang, China
| | - Dongsheng Cha
- Department of Thoracic Surgery, Tongling Yi'an District People's Hospital, Tongling, China
| | - Xingjia Qian
- Department of Pulmonary and Critical Care Medicine, Taicang TCM Hospital, Taicang, China
| | - Guoping Zhou
- Department of Cardiothoracic Surgery, Dongtai Hospital of Traditional Chinese Medicine, Dongtai, China
| | - Bing Lu
- Department of Pulmonary and Critical Care Medicine, Taicang TCM Hospital, Taicang, China
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Qiao L, Hu J, Qiu X, Wang C, Peng J, Zhang C, Zhang M, Lu H, Chen W. LAMP2A, LAMP2B and LAMP2C: similar structures, divergent roles. Autophagy 2023; 19:2837-2852. [PMID: 37469132 PMCID: PMC10549195 DOI: 10.1080/15548627.2023.2235196] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 06/29/2023] [Accepted: 07/06/2023] [Indexed: 07/21/2023] Open
Abstract
LAMP2 (lysosomal associated membrane protein 2) is one of the major protein components of the lysosomal membrane. There currently exist three LAMP2 isoforms, LAMP2A, LAMP2B and LAMP2C, and they vary in distribution and function. LAMP2A serves as a receptor and channel for transporting cytosolic proteins in a process called chaperone-mediated autophagy (CMA). LAMP2B is required for autophagosome-lysosome fusion in cardiomyocytes and is one of the components of exosome membranes. LAMP2C is primarily implicated in a novel type of autophagy in which nucleic acids are taken up into lysosomes for degradation. In this review, the current evidence for the function of each LAMP2 isoform in various pathophysiological processes and human diseases, as well as their possible mechanisms, are comprehensively summarized. We discuss the evolutionary patterns of the three isoforms in vertebrates and provide technical guidance on investigating these isoforms. We are also concerned with the newly arising questions in this particular research area that remain unanswered. Advances in the functions of the three LAMP2 isoforms will uncover new links between lysosomal dysfunction, autophagy and human diseases.Abbreviation: ACSL4: acyl-CoA synthetase long-chain family member 4; AD: Alzheimer disease; Ag: antigens; APP: amyloid beta precursor protein; ATG14: autophagy related 14; AVSF: autophagic vacuoles with unique sarcolemmal features; BBC3/PUMA: BCL2 binding component 3; CCD: C-terminal coiled coil domain; CMA: chaperone-mediated autophagy; CVDs: cardiovascular diseases; DDIT4/REDD1: DNA damage inducible transcript 4; ECs: endothelial cells; ER: endoplasmic reticulum; ESCs: embryonic stem cells; GAPDH: glyceraldehyde-3-phosphate dehydrogenase; GBA/β-glucocerebrosidase: glucosylceramidase beta; GSCs: glioblastoma stem cells; HCC: hepatocellular carcinoma; HD: Huntington disease; HSCs: hematopoietic stem cells; HSPA8/HSC70: heat shock protein family A (Hsp70) member 8; IL3: interleukin 3; IR: ischemia-reperfusion; LAMP2: lysosomal associated membrane protein 2; LDs: lipid droplets; LRRK2: leucine rich repeat kinase 2; MA: macroautophagy; MHC: major histocompatibility complex; MST1: macrophage stimulating 1; NAFLD: nonalcoholic fatty liver disease; NFE2L2/NRF2: NFE2 like bZIP transcription factor 2; NLRP3: NLR family pyrin domain containing 3; PARK7: Parkinsonism associated deglycase; PD: Parkinson disease; PEA15/PED: proliferation and apoptosis adaptor protein 15; PKM/PKM2: pyruvate kinase M1/2; RA: rheumatoid arthritis; RARA: retinoic acid receptor alpha; RCAN1: regulator of calcineurin 1; RCC: renal cell carcinoma; RDA: RNautophagy and DNautophagy; RNAi: RNA interference; RND3: Rho Family GTPase 3; SG-NOS3/eNOS: deleterious glutathionylated NOS3; SLE: systemic lupus erythematosus; TAMs: tumor-associated macrophages; TME: tumor microenvironment; UCHL1: ubiquitin C-terminal hydrolase L1; VAMP8: vesicle associated membrane protein 8.
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Affiliation(s)
- Lei Qiao
- National Key Laboratory for Innovation and Transformation of Luobing Theory; the Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences; Department of Cardiology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Jiayi Hu
- National Key Laboratory for Innovation and Transformation of Luobing Theory; the Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences; Department of Cardiology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Xiaohan Qiu
- National Key Laboratory for Innovation and Transformation of Luobing Theory; the Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences; Department of Cardiology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Chunlin Wang
- National Key Laboratory for Innovation and Transformation of Luobing Theory; the Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences; Department of Cardiology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Jieqiong Peng
- Department of Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, China
| | - Cheng Zhang
- National Key Laboratory for Innovation and Transformation of Luobing Theory; the Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences; Department of Cardiology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Meng Zhang
- National Key Laboratory for Innovation and Transformation of Luobing Theory; the Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences; Department of Cardiology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Huixia Lu
- National Key Laboratory for Innovation and Transformation of Luobing Theory; the Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences; Department of Cardiology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Wenqiang Chen
- National Key Laboratory for Innovation and Transformation of Luobing Theory; the Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences; Department of Cardiology, Qilu Hospital of Shandong University, Jinan, Shandong, China
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3
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Choi YJ, Yun SH, Yu J, Mun Y, Lee W, Park CJ, Han BW, Lee BH. Chaperone-mediated autophagy dysregulation during aging impairs hepatic fatty acid oxidation via accumulation of NCoR1. Mol Metab 2023; 76:101784. [PMID: 37524243 PMCID: PMC10448198 DOI: 10.1016/j.molmet.2023.101784] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 07/21/2023] [Accepted: 07/27/2023] [Indexed: 08/02/2023] Open
Abstract
OBJECTIVE Alterations in lipid metabolism are associated with aging and age-related diseases. Chaperone-mediated autophagy (CMA) is a lysosome-dependent process involved in specific protein degradation. Heat shock cognate 71 kDa protein (Hsc70) recognizes cytosolic proteins with KFERQ motif and allows them to enter the lysosome via lysosome-associated membrane glycoprotein 2 isoform A (LAMP2A). CMA deficiency is associated with dysregulated lipid metabolism in the liver. In this study, we examined the effect of CMA on lipid metabolism in the aged liver. METHODS 12-week-old and 88-week-old mice were employed to assess the effect of aging on hepatic CMA activity. We generated CMA-deficient mouse primary hepatocytes using siRNA for Lamp2a and liver-specific LAMP2A knockdown mice via adeno-associated viruses expressing short hairpin RNAs to investigate the influence of CMA on lipid metabolism. RESULTS We noted aging-induced progression toward fatty liver and a decrease in LAMP2A levels in total protein and lysosomes. The expression of genes associated with fatty acid oxidation was markedly downregulated in the aged liver, as verified in CMA-deficient mouse primary hepatocytes. In addition, the aged liver accumulated nuclear receptor corepressor 1 (NCoR1), a negative regulator of peroxisome proliferator-activated receptor α (PPARα). We found that Hsc70 binds to NCoR1 via the KFERQ motif. Lamp2a siRNA treatment accumulated NCoR1 and decreased the fatty acid oxidation rate. Pharmacological activation of CMA by AR7 treatment increased LAMP2A expression, leading to NCoR1 degradation. A liver-specific LAMP2A knockdown via adeno-associated viruses expressing short hairpin RNAs caused NCoR1 accumulation, inactivated PPARα, downregulated the expression of fatty acid oxidation-related genes and significantly increased liver triglyceride levels. CONCLUSIONS Our results elucidated a novel PPARα regulatory mechanism involving CMA-mediated NCoR1 degradation during aging. These findings demonstrate that CMA dysregulation is crucial for the progression of aging-related fatty liver diseases.
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Affiliation(s)
- You-Jin Choi
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Sung Ho Yun
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Jihyeon Yu
- Division of Life Science, Korea Polar Research Institute, Incheon 21990, Republic of Korea
| | - Yewon Mun
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Wonseok Lee
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Cheon Jun Park
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Byung Woo Han
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Byung-Hoon Lee
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea.
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Liu J, Wang L, He H, Liu Y, Jiang Y, Yang J. The Complex Role of Chaperone-Mediated Autophagy in Cancer Diseases. Biomedicines 2023; 11:2050. [PMID: 37509689 PMCID: PMC10377530 DOI: 10.3390/biomedicines11072050] [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: 04/12/2023] [Revised: 07/08/2023] [Accepted: 07/10/2023] [Indexed: 07/30/2023] Open
Abstract
Chaperone-mediated autophagy (CMA) is a process that rapidly degrades proteins labeled with KFERQ-like motifs within cells via lysosomes to terminate their cellular functioning. Meanwhile, CMA plays an essential role in various biological processes correlated with cell proliferation and apoptosis. Previous studies have shown that CMA was initially found to be procancer in cancer cells, while some theories suggest that it may have an inhibitory effect on the progression of cancer in untransformed cells. Therefore, the complex relationship between CMA and cancer has aroused great interest in the application of CMA activity regulation in cancer therapy. Here, we describe the basic information related to CMA and introduce the physiological functions of CMA, the dual role of CMA in different cancer contexts, and its related research progress. Further study on the mechanism of CMA in tumor development may provide novel insights for tumor therapy targeting CMA. This review aims to summarize and discuss the complex mechanisms of CMA in cancer and related potential strategies for cancer therapy.
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Affiliation(s)
- Jing Liu
- Department of Basic Medicine, School of Medicine, Hunan Normal University, Changsha 410013, China
| | - Lijuan Wang
- Department of Anesthesiology, Hunan Cancer Hospital/The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha 410013, China
| | - Hua He
- Department of Basic Medicine, School of Medicine, Hunan Normal University, Changsha 410013, China
| | - Yueying Liu
- Department of Basic Medicine, School of Medicine, Hunan Normal University, Changsha 410013, China
| | - Yiqun Jiang
- Department of Basic Medicine, School of Medicine, Hunan Normal University, Changsha 410013, China
- The Key Laboratory of Model Animal and Stem Cell Biology in Hunan Province, Hunan Normal University, Changsha 410013, China
| | - Jinfeng Yang
- Department of Anesthesiology, Hunan Cancer Hospital/The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha 410013, China
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5
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Protein Quality Control in Glioblastoma: A Review of the Current Literature with New Perspectives on Therapeutic Targets. Int J Mol Sci 2022; 23:ijms23179734. [PMID: 36077131 PMCID: PMC9456419 DOI: 10.3390/ijms23179734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 08/12/2022] [Accepted: 08/24/2022] [Indexed: 11/17/2022] Open
Abstract
Protein quality control allows eukaryotes to maintain proteostasis under the stress of constantly changing conditions. In this review, we discuss the current literature on PQC, highlighting flaws that must exist for malignancy to occur. At the nidus of PQC, the expression of BAG1-6 reflects the cell environment; each isoform directs proteins toward different, parallel branches of the quality control cascade. The sum of these branches creates a net shift toward either homeostasis or apoptosis. With an established role in ALP, Bag3 is necessary for cell survival in stress conditions including those of the cancerous niche (i.e., hypoxia, hypermutation). Evidence suggests that excessive Bag3–HSP70 activity not only sustains, but also propagates cancers. Its role is anti-apoptotic—which allows malignant cells to persist—and intercellular—with the production of infectious ‘oncosomes’ enabling cancer expansion and recurrence. While Bag3 has been identified as a key prognostic indicator in several cancer types, its investigation is limited regarding glioblastoma. The cochaperone HSP70 has been strongly linked with GBM, while ALP inhibitors have been shown to improve GBM susceptibility to chemotherapeutics. Given the highly resilient, frequently recurrent nature of GBM, the targeting of Bag3 is a necessary consideration for the successful and definitive treatment of GBM.
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Cell Autophagy in NASH and NASH-Related Hepatocellular Carcinoma. Int J Mol Sci 2022; 23:ijms23147734. [PMID: 35887082 PMCID: PMC9322157 DOI: 10.3390/ijms23147734] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 07/10/2022] [Accepted: 07/11/2022] [Indexed: 12/21/2022] Open
Abstract
Autophagy, a cellular self-digestion process, involves the degradation of targeted cell components such as damaged organelles, unfolded proteins, and intracellular pathogens by lysosomes. It is a major quality control system of the cell and plays an important role in cell differentiation, survival, development, and homeostasis. Alterations in the cell autophagic machinery have been implicated in several disease conditions, including neurodegeneration, autoimmunity, cancer, infection, inflammatory diseases, and aging. In non-alcoholic fatty liver disease, including its inflammatory form, non-alcoholic steatohepatitis (NASH), a decrease in cell autophagic activity, has been implicated in the initial development and progression of steatosis to NASH and hepatocellular carcinoma (HCC). We present an overview of autophagy as it occurs in mammalian cells with an insight into the emerging understanding of the role of autophagy in NASH and NASH-related HCC.
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Chaperone-mediated Autophagy Regulates Cell Growth by Targeting SMAD3 in Glioma. Neurosci Bull 2022; 38:637-651. [PMID: 35267139 DOI: 10.1007/s12264-022-00818-9] [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: 05/31/2021] [Accepted: 09/10/2021] [Indexed: 10/18/2022] Open
Abstract
Previous studies suggest that the reduction of SMAD3 (mothers against decapentaplegic homolog 3) has a great impact on tumor development, but its exact pathological function remains unclear. In this study, we found that the protein level of SMAD3 was greatly reduced in human-grade IV glioblastoma tissues, in which LAMP2A (lysosome-associated membrane protein type 2A) was significantly up-regulated. LAMP2A is a key rate-limiting protein of chaperone-mediated autophagy (CMA), a lysosome pathway of protein degradation that is activated in glioma. We carefully analyzed the amino-acid sequence of SMAD3 and found that it contained a pentapeptide motif biochemically related to KFERQ, which has been proposed to be a targeting sequence for CMA. In vitro, we confirmed that SMAD3 was degraded in either serum-free or KFERQ motif deleted condition, which was regulated by LAMP2A and interacted with HSC70 (heat shock cognate 71 kDa protein). Using isolated lysosomes, amino-acid residues 75 and 128 of SMAD3 were found to be of importance for this process, which affected the CMA pathway in which SMAD3 was involved. Similarly, down-regulating SMAD3 or up-regulating LAMP2A in cultured glioma cells enhanced their proliferation and invasion. Taken together, these results suggest that excessive activation of CMA regulates glioma cell growth by promoting the degradation of SMAD3. Therefore, targeting the SMAD3-LAMP2A-mediated CMA-lysosome pathway may be a promising approach in anti-cancer therapy.
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8
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Le S, Fu X, Pang M, Zhou Y, Yin G, Zhang J, Fan D. The Antioxidative Role of Chaperone-Mediated Autophagy as a Downstream Regulator of Oxidative Stress in Human Diseases. Technol Cancer Res Treat 2022; 21:15330338221114178. [PMID: 36131551 PMCID: PMC9500268 DOI: 10.1177/15330338221114178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Chaperone-mediated autophagy (CMA) plays an important role in regulating a variety of cellular functions by selectively degrading damaged or functional proteins in the cytoplasm. One of the cellular processes in which CMA participates is the oxidative stress response. Oxidative stress regulates CMA activity, while CMA protects cells from oxidative damage by degrading oxidized proteins and preventing the accumulation of excessive reactive oxygen species (ROS). Changes in CMA activity have been found in many human diseases, and oxidative stress is also involved. Therefore, understanding the interaction mechanism of ROS and CMA will provide new targets for disease treatment. In this review, we discuss the role of CMA in combatting oxidative stress during the development of different conditions, such as aging, neurodegeneration, liver diseases, infections, pulmonary disorders, and cancers.
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Affiliation(s)
- Shuangshuang Le
- Guangxi Key Laboratory of Bio-Targeting Theranostics, National Center for International Research of Bio-Targeting Theranostics, Collaborative Innovation Center for Targeting Tumor Diagnosis and Therapy, Guangxi Talent Highland of Bio-Targeting Theranostics, 74626Guangxi Medical University, Nanning, China.,State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, 12644Air Force Military Medical University, Xi'an, China
| | - Xin Fu
- Guangxi Key Laboratory of Bio-Targeting Theranostics, National Center for International Research of Bio-Targeting Theranostics, Collaborative Innovation Center for Targeting Tumor Diagnosis and Therapy, Guangxi Talent Highland of Bio-Targeting Theranostics, 74626Guangxi Medical University, Nanning, China.,State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, 12644Air Force Military Medical University, Xi'an, China
| | - Maogui Pang
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, 12644Air Force Military Medical University, Xi'an, China
| | - Yao Zhou
- Guangxi Key Laboratory of Bio-Targeting Theranostics, National Center for International Research of Bio-Targeting Theranostics, Collaborative Innovation Center for Targeting Tumor Diagnosis and Therapy, Guangxi Talent Highland of Bio-Targeting Theranostics, 74626Guangxi Medical University, Nanning, China.,State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, 12644Air Force Military Medical University, Xi'an, China
| | - Guoqing Yin
- Department of Oncology, 572481Xianyang Hospital of Yan'an University, Xianyang, China
| | - Jie Zhang
- Department of Oncology, 572481Xianyang Hospital of Yan'an University, Xianyang, China
| | - Daiming Fan
- Guangxi Key Laboratory of Bio-Targeting Theranostics, National Center for International Research of Bio-Targeting Theranostics, Collaborative Innovation Center for Targeting Tumor Diagnosis and Therapy, Guangxi Talent Highland of Bio-Targeting Theranostics, 74626Guangxi Medical University, Nanning, China.,State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, 12644Air Force Military Medical University, Xi'an, China
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Gómez-Sintes R, Arias E. Chaperone-mediated autophagy and disease: Implications for cancer and neurodegeneration. Mol Aspects Med 2021; 82:101025. [PMID: 34629183 DOI: 10.1016/j.mam.2021.101025] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 09/10/2021] [Accepted: 09/12/2021] [Indexed: 02/07/2023]
Abstract
Chaperone-mediated autophagy (CMA) is a proteolytic process whereby selected intracellular proteins are degraded inside lysosomes. Owing to its selectivity, CMA participates in the modulation of specific regulatory proteins, thereby playing an important role in multiple cellular processes. Studies conducted over the last two decades have enabled the molecular characterization of this autophagic pathway and the design of specific experimental models, and have underscored the importance of CMA in a range of physiological processes beyond mere protein quality control. Those findings also indicate that decreases in CMA function with increasing age may contribute to the pathogenesis of age-associated diseases, including neurodegeneration and cancer. In the context of neurological diseases, CMA impairment is thought to contribute to the accumulation of misfolded/aggregated proteins, a process central to the pathogenesis of neurodegenerative diseases. CMA therefore constitutes a potential therapeutic target, as its induction accelerates the clearance of pathogenic proteins, promoting cell survival. More recent evidence has highlighted the important and complex role of CMA in cancer biology. While CMA induction may limit tumor development, experimental evidence also indicates that inhibition of this pathway can attenuate the growth of established tumors and improve the response to cancer therapeutics. Here, we describe and discuss the evidence supporting a role of impaired CMA function in neurodegeneration and cancer, as well as future research directions to evaluate the potential of this pathway as a target for the prevention and treatment of these diseases.
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Affiliation(s)
- Raquel Gómez-Sintes
- Department of Cellular and Molecular Biology, Centro de Investigaciones Biológicas Margarita Salas CIB-CSIC, 28040, Madrid, Spain; Department of Developmental and Molecular Biology & Institute for Aging Studies, Albert Einstein College of Medicine, Bronx, NY, 10461, USA.
| | - Esperanza Arias
- Department of Medicine, Marion Bessin Liver Research Center & Institute for Aging Studies, Albert Einstein College of Medicine, Bronx, NY, 10461, USA.
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10
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Hosaka Y, Araya J, Fujita Y, Kuwano K. Role of chaperone-mediated autophagy in the pathophysiology including pulmonary disorders. Inflamm Regen 2021; 41:29. [PMID: 34593046 PMCID: PMC8485456 DOI: 10.1186/s41232-021-00180-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Accepted: 09/08/2021] [Indexed: 11/10/2022] Open
Abstract
Autophagy is a highly conserved mechanism of delivering cytoplasmic components for lysosomal degradation. Among the three major autophagic pathways, chaperone-mediated autophagy (CMA) is primarily characterized by its selective nature of protein degradation, which is mediated by heat shock cognate 71 kDa protein (HSC70: also known as HSPA8) recognition of the KFERQ peptide motif in target proteins. Lysosome-associated membrane protein type 2A (LAMP2A) is responsible for substrate binding and internalization to lysosomes, and thus, the lysosomal expression level of LAMP2A is a rate-limiting factor for CMA. Recent advances have uncovered not only physiological but also pathological role of CMA in multiple organs, including neurodegenerative disorders, kidney diseases, liver diseases, heart diseases, and cancers through the accumulation of unwanted proteins or increased degradation of target proteins with concomitant metabolic alterations resulting from CMA malfunction. With respect to pulmonary disorders, the involvement of CMA has been demonstrated in lung cancer and chronic obstructive pulmonary disease (COPD) pathogenesis through regulating apoptosis. Further understanding of CMA machinery may shed light on the molecular mechanisms of refractory disorders and lead to novel treatment modalities through CMA modulation.
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Affiliation(s)
- Yusuke Hosaka
- Division of Respiratory Diseases, Department of Internal Medicine, The Jikei University School of Medicine, 3-25-8 Nishi-shimbashi, Minato-ku, Tokyo, 105-8461, Japan
| | - Jun Araya
- Division of Respiratory Diseases, Department of Internal Medicine, The Jikei University School of Medicine, 3-25-8 Nishi-shimbashi, Minato-ku, Tokyo, 105-8461, Japan.
| | - Yu Fujita
- Division of Respiratory Diseases, Department of Internal Medicine, The Jikei University School of Medicine, 3-25-8 Nishi-shimbashi, Minato-ku, Tokyo, 105-8461, Japan
| | - Kazuyoshi Kuwano
- Division of Respiratory Diseases, Department of Internal Medicine, The Jikei University School of Medicine, 3-25-8 Nishi-shimbashi, Minato-ku, Tokyo, 105-8461, Japan
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11
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Klionsky DJ, Petroni G, Amaravadi RK, Baehrecke EH, Ballabio A, Boya P, Bravo‐San Pedro JM, Cadwell K, Cecconi F, Choi AMK, Choi ME, Chu CT, Codogno P, Colombo M, Cuervo AM, Deretic V, Dikic I, Elazar Z, Eskelinen E, Fimia GM, Gewirtz DA, Green DR, Hansen M, Jäättelä M, Johansen T, Juhász G, Karantza V, Kraft C, Kroemer G, Ktistakis NT, Kumar S, Lopez‐Otin C, Macleod KF, Madeo F, Martinez J, Meléndez A, Mizushima N, Münz C, Penninger JM, Perera R, Piacentini M, Reggiori F, Rubinsztein DC, Ryan K, Sadoshima J, Santambrogio L, Scorrano L, Simon H, Simon AK, Simonsen A, Stolz A, Tavernarakis N, Tooze SA, Yoshimori T, Yuan J, Yue Z, Zhong Q, Galluzzi L, Pietrocola F. Autophagy in major human diseases. EMBO J 2021; 40:e108863. [PMID: 34459017 PMCID: PMC8488577 DOI: 10.15252/embj.2021108863] [Citation(s) in RCA: 662] [Impact Index Per Article: 220.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 07/07/2021] [Accepted: 07/12/2021] [Indexed: 02/06/2023] Open
Abstract
Autophagy is a core molecular pathway for the preservation of cellular and organismal homeostasis. Pharmacological and genetic interventions impairing autophagy responses promote or aggravate disease in a plethora of experimental models. Consistently, mutations in autophagy-related processes cause severe human pathologies. Here, we review and discuss preclinical data linking autophagy dysfunction to the pathogenesis of major human disorders including cancer as well as cardiovascular, neurodegenerative, metabolic, pulmonary, renal, infectious, musculoskeletal, and ocular disorders.
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Affiliation(s)
| | - Giulia Petroni
- Department of Radiation OncologyWeill Cornell Medical CollegeNew YorkNYUSA
| | - Ravi K Amaravadi
- Department of MedicineUniversity of PennsylvaniaPhiladelphiaPAUSA
- Abramson Cancer CenterUniversity of PennsylvaniaPhiladelphiaPAUSA
| | - Eric H Baehrecke
- Department of Molecular, Cell and Cancer BiologyUniversity of Massachusetts Medical SchoolWorcesterMAUSA
| | - Andrea Ballabio
- Telethon Institute of Genetics and MedicinePozzuoliItaly
- Department of Translational Medical SciencesSection of PediatricsFederico II UniversityNaplesItaly
- Department of Molecular and Human GeneticsBaylor College of Medicine, and Jan and Dan Duncan Neurological Research InstituteTexas Children HospitalHoustonTXUSA
| | - Patricia Boya
- Margarita Salas Center for Biological ResearchSpanish National Research CouncilMadridSpain
| | - José Manuel Bravo‐San Pedro
- Faculty of MedicineDepartment Section of PhysiologyComplutense University of MadridMadridSpain
- Center for Networked Biomedical Research in Neurodegenerative Diseases (CIBERNED)MadridSpain
| | - Ken Cadwell
- Kimmel Center for Biology and Medicine at the Skirball InstituteNew York University Grossman School of MedicineNew YorkNYUSA
- Department of MicrobiologyNew York University Grossman School of MedicineNew YorkNYUSA
- Division of Gastroenterology and HepatologyDepartment of MedicineNew York University Langone HealthNew YorkNYUSA
| | - Francesco Cecconi
- Cell Stress and Survival UnitCenter for Autophagy, Recycling and Disease (CARD)Danish Cancer Society Research CenterCopenhagenDenmark
- Department of Pediatric Onco‐Hematology and Cell and Gene TherapyIRCCS Bambino Gesù Children's HospitalRomeItaly
- Department of BiologyUniversity of Rome ‘Tor Vergata’RomeItaly
| | - Augustine M K Choi
- Division of Pulmonary and Critical Care MedicineJoan and Sanford I. Weill Department of MedicineWeill Cornell MedicineNew YorkNYUSA
- New York‐Presbyterian HospitalWeill Cornell MedicineNew YorkNYUSA
| | - Mary E Choi
- New York‐Presbyterian HospitalWeill Cornell MedicineNew YorkNYUSA
- Division of Nephrology and HypertensionJoan and Sanford I. Weill Department of MedicineWeill Cornell MedicineNew YorkNYUSA
| | - Charleen T Chu
- Department of PathologyUniversity of Pittsburgh School of MedicinePittsburghPAUSA
| | - Patrice Codogno
- Institut Necker‐Enfants MaladesINSERM U1151‐CNRS UMR 8253ParisFrance
- Université de ParisParisFrance
| | - Maria Isabel Colombo
- Laboratorio de Mecanismos Moleculares Implicados en el Tráfico Vesicular y la Autofagia‐Instituto de Histología y Embriología (IHEM)‐Universidad Nacional de CuyoCONICET‐ Facultad de Ciencias MédicasMendozaArgentina
| | - Ana Maria Cuervo
- Department of Developmental and Molecular BiologyAlbert Einstein College of MedicineBronxNYUSA
- Institute for Aging StudiesAlbert Einstein College of MedicineBronxNYUSA
| | - Vojo Deretic
- Autophagy Inflammation and Metabolism (AIMCenter of Biomedical Research ExcellenceUniversity of New Mexico Health Sciences CenterAlbuquerqueNMUSA
- Department of Molecular Genetics and MicrobiologyUniversity of New Mexico Health Sciences CenterAlbuquerqueNMUSA
| | - Ivan Dikic
- Institute of Biochemistry IISchool of MedicineGoethe UniversityFrankfurt, Frankfurt am MainGermany
- Buchmann Institute for Molecular Life SciencesGoethe UniversityFrankfurt, Frankfurt am MainGermany
| | - Zvulun Elazar
- Department of Biomolecular SciencesThe Weizmann Institute of ScienceRehovotIsrael
| | | | - Gian Maria Fimia
- Department of Molecular MedicineSapienza University of RomeRomeItaly
- Department of EpidemiologyPreclinical Research, and Advanced DiagnosticsNational Institute for Infectious Diseases ‘L. Spallanzani’ IRCCSRomeItaly
| | - David A Gewirtz
- Department of Pharmacology and ToxicologySchool of MedicineVirginia Commonwealth UniversityRichmondVAUSA
| | - Douglas R Green
- Department of ImmunologySt. Jude Children's Research HospitalMemphisTNUSA
| | - Malene Hansen
- Sanford Burnham Prebys Medical Discovery InstituteProgram of DevelopmentAging, and RegenerationLa JollaCAUSA
| | - Marja Jäättelä
- Cell Death and MetabolismCenter for Autophagy, Recycling & DiseaseDanish Cancer Society Research CenterCopenhagenDenmark
- Department of Cellular and Molecular MedicineFaculty of Health SciencesUniversity of CopenhagenCopenhagenDenmark
| | - Terje Johansen
- Department of Medical BiologyMolecular Cancer Research GroupUniversity of Tromsø—The Arctic University of NorwayTromsøNorway
| | - Gábor Juhász
- Institute of GeneticsBiological Research CenterSzegedHungary
- Department of Anatomy, Cell and Developmental BiologyEötvös Loránd UniversityBudapestHungary
| | | | - Claudine Kraft
- Institute of Biochemistry and Molecular BiologyZBMZFaculty of MedicineUniversity of FreiburgFreiburgGermany
- CIBSS ‐ Centre for Integrative Biological Signalling StudiesUniversity of FreiburgFreiburgGermany
| | - Guido Kroemer
- Centre de Recherche des CordeliersEquipe Labellisée par la Ligue Contre le CancerUniversité de ParisSorbonne UniversitéInserm U1138Institut Universitaire de FranceParisFrance
- Metabolomics and Cell Biology PlatformsInstitut Gustave RoussyVillejuifFrance
- Pôle de BiologieHôpital Européen Georges PompidouAP‐HPParisFrance
- Suzhou Institute for Systems MedicineChinese Academy of Medical SciencesSuzhouChina
- Karolinska InstituteDepartment of Women's and Children's HealthKarolinska University HospitalStockholmSweden
| | | | - Sharad Kumar
- Centre for Cancer BiologyUniversity of South AustraliaAdelaideSAAustralia
- Faculty of Health and Medical SciencesUniversity of AdelaideAdelaideSAAustralia
| | - Carlos Lopez‐Otin
- Departamento de Bioquímica y Biología MolecularFacultad de MedicinaInstituto Universitario de Oncología del Principado de Asturias (IUOPA)Universidad de OviedoOviedoSpain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC)MadridSpain
| | - Kay F Macleod
- The Ben May Department for Cancer ResearchThe Gordon Center for Integrative SciencesW‐338The University of ChicagoChicagoILUSA
- The University of ChicagoChicagoILUSA
| | - Frank Madeo
- Institute of Molecular BiosciencesNAWI GrazUniversity of GrazGrazAustria
- BioTechMed‐GrazGrazAustria
- Field of Excellence BioHealth – University of GrazGrazAustria
| | - Jennifer Martinez
- Immunity, Inflammation and Disease LaboratoryNational Institute of Environmental Health SciencesNIHResearch Triangle ParkNCUSA
| | - Alicia Meléndez
- Biology Department, Queens CollegeCity University of New YorkFlushingNYUSA
- The Graduate Center Biology and Biochemistry PhD Programs of the City University of New YorkNew YorkNYUSA
| | - Noboru Mizushima
- Department of Biochemistry and Molecular BiologyGraduate School of MedicineThe University of TokyoTokyoJapan
| | - Christian Münz
- Viral ImmunobiologyInstitute of Experimental ImmunologyUniversity of ZurichZurichSwitzerland
| | - Josef M Penninger
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA)Vienna BioCenter (VBC)ViennaAustria
- Department of Medical GeneticsLife Sciences InstituteUniversity of British ColumbiaVancouverBCCanada
| | - Rushika M Perera
- Department of AnatomyUniversity of California, San FranciscoSan FranciscoCAUSA
- Department of PathologyUniversity of California, San FranciscoSan FranciscoCAUSA
- Helen Diller Family Comprehensive Cancer CenterUniversity of California, San FranciscoSan FranciscoCAUSA
| | - Mauro Piacentini
- Department of BiologyUniversity of Rome “Tor Vergata”RomeItaly
- Laboratory of Molecular MedicineInstitute of Cytology Russian Academy of ScienceSaint PetersburgRussia
| | - Fulvio Reggiori
- Department of Biomedical Sciences of Cells & SystemsMolecular Cell Biology SectionUniversity of GroningenUniversity Medical Center GroningenGroningenThe Netherlands
| | - David C Rubinsztein
- Department of Medical GeneticsCambridge Institute for Medical ResearchUniversity of CambridgeCambridgeUK
- UK Dementia Research InstituteUniversity of CambridgeCambridgeUK
| | - Kevin M Ryan
- Cancer Research UK Beatson InstituteGlasgowUK
- Institute of Cancer SciencesUniversity of GlasgowGlasgowUK
| | - Junichi Sadoshima
- Department of Cell Biology and Molecular MedicineCardiovascular Research InstituteRutgers New Jersey Medical SchoolNewarkNJUSA
| | - Laura Santambrogio
- Department of Radiation OncologyWeill Cornell Medical CollegeNew YorkNYUSA
- Sandra and Edward Meyer Cancer CenterNew YorkNYUSA
- Caryl and Israel Englander Institute for Precision MedicineNew YorkNYUSA
| | - Luca Scorrano
- Istituto Veneto di Medicina MolecolarePadovaItaly
- Department of BiologyUniversity of PadovaPadovaItaly
| | - Hans‐Uwe Simon
- Institute of PharmacologyUniversity of BernBernSwitzerland
- Department of Clinical Immunology and AllergologySechenov UniversityMoscowRussia
- Laboratory of Molecular ImmunologyInstitute of Fundamental Medicine and BiologyKazan Federal UniversityKazanRussia
| | | | - Anne Simonsen
- Department of Molecular MedicineInstitute of Basic Medical SciencesUniversity of OsloOsloNorway
- Centre for Cancer Cell ReprogrammingInstitute of Clinical MedicineUniversity of OsloOsloNorway
- Department of Molecular Cell BiologyInstitute for Cancer ResearchOslo University Hospital MontebelloOsloNorway
| | - Alexandra Stolz
- Institute of Biochemistry IISchool of MedicineGoethe UniversityFrankfurt, Frankfurt am MainGermany
- Buchmann Institute for Molecular Life SciencesGoethe UniversityFrankfurt, Frankfurt am MainGermany
| | - Nektarios Tavernarakis
- Institute of Molecular Biology and BiotechnologyFoundation for Research and Technology‐HellasHeraklion, CreteGreece
- Department of Basic SciencesSchool of MedicineUniversity of CreteHeraklion, CreteGreece
| | - Sharon A Tooze
- Molecular Cell Biology of AutophagyThe Francis Crick InstituteLondonUK
| | - Tamotsu Yoshimori
- Department of GeneticsGraduate School of MedicineOsaka UniversitySuitaJapan
- Department of Intracellular Membrane DynamicsGraduate School of Frontier BiosciencesOsaka UniversitySuitaJapan
- Integrated Frontier Research for Medical Science DivisionInstitute for Open and Transdisciplinary Research Initiatives (OTRI)Osaka UniversitySuitaJapan
| | - Junying Yuan
- Interdisciplinary Research Center on Biology and ChemistryShanghai Institute of Organic ChemistryChinese Academy of SciencesShanghaiChina
- Department of Cell BiologyHarvard Medical SchoolBostonMAUSA
| | - Zhenyu Yue
- Department of NeurologyFriedman Brain InstituteIcahn School of Medicine at Mount SinaiNew YorkNYUSA
| | - Qing Zhong
- Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of EducationDepartment of PathophysiologyShanghai Jiao Tong University School of Medicine (SJTU‐SM)ShanghaiChina
| | - Lorenzo Galluzzi
- Department of Radiation OncologyWeill Cornell Medical CollegeNew YorkNYUSA
- Sandra and Edward Meyer Cancer CenterNew YorkNYUSA
- Caryl and Israel Englander Institute for Precision MedicineNew YorkNYUSA
- Department of DermatologyYale School of MedicineNew HavenCTUSA
- Université de ParisParisFrance
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12
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Targeting Drug Chemo-Resistance in Cancer Using Natural Products. Biomedicines 2021; 9:biomedicines9101353. [PMID: 34680470 PMCID: PMC8533186 DOI: 10.3390/biomedicines9101353] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Revised: 09/22/2021] [Accepted: 09/23/2021] [Indexed: 02/07/2023] Open
Abstract
Cancer is one of the leading causes of death globally. The development of drug resistance is the main contributor to cancer-related mortality. Cancer cells exploit multiple mechanisms to reduce the therapeutic effects of anticancer drugs, thereby causing chemotherapy failure. Natural products are accessible, inexpensive, and less toxic sources of chemotherapeutic agents. Additionally, they have multiple mechanisms of action to inhibit various targets involved in the development of drug resistance. In this review, we have summarized the basic research and clinical applications of natural products as possible inhibitors for drug resistance in cancer. The molecular targets and the mechanisms of action of each natural product are also explained. Diverse drug resistance biomarkers were sensitive to natural products. P-glycoprotein and breast cancer resistance protein can be targeted by a large number of natural products. On the other hand, protein kinase C and topoisomerases were less sensitive to most of the studied natural products. The studies discussed in this review will provide a solid ground for scientists to explore the possible use of natural products in combination anticancer therapies to overcome drug resistance by targeting multiple drug resistance mechanisms.
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13
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Al-Bari MAA, Ito Y, Ahmed S, Radwan N, Ahmed HS, Eid N. Targeting Autophagy with Natural Products as a Potential Therapeutic Approach for Cancer. Int J Mol Sci 2021; 22:9807. [PMID: 34575981 PMCID: PMC8467030 DOI: 10.3390/ijms22189807] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 09/06/2021] [Accepted: 09/07/2021] [Indexed: 02/07/2023] Open
Abstract
Macro-autophagy (autophagy) is a highly conserved eukaryotic intracellular process of self-digestion caused by lysosomes on demand, which is upregulated as a survival strategy upon exposure to various stressors, such as metabolic insults, cytotoxic drugs, and alcohol abuse. Paradoxically, autophagy dysfunction also contributes to cancer and aging. It is well known that regulating autophagy by targeting specific regulatory molecules in its machinery can modulate multiple disease processes. Therefore, autophagy represents a significant pharmacological target for drug development and therapeutic interventions in various diseases, including cancers. According to the framework of autophagy, the suppression or induction of autophagy can exert therapeutic properties through the promotion of cell death or cell survival, which are the two main events targeted by cancer therapies. Remarkably, natural products have attracted attention in the anticancer drug discovery field, because they are biologically friendly and have potential therapeutic effects. In this review, we summarize the up-to-date knowledge regarding natural products that can modulate autophagy in various cancers. These findings will provide a new position to exploit more natural compounds as potential novel anticancer drugs and will lead to a better understanding of molecular pathways by targeting the various autophagy stages of upcoming cancer therapeutics.
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Affiliation(s)
| | - Yuko Ito
- Department of General and Gastroenterological Surgery, Osaka Medical and Pharmaceutical University, 2–7 Daigaku-machi, Takatsuki 569-8686, Osaka, Japan;
| | - Samrein Ahmed
- Department of Biosciences and Chemistry, College of Health and Wellbeing and Life Sciences, Sheffield Hallam University, City Campus, Howard Street, Sheffield S1 1WB, UK;
| | - Nada Radwan
- Department of Anatomy, College of Medicine & Health Sciences, United Arab Emirates University, Al Ain 17666, United Arab Emirates;
| | - Hend S. Ahmed
- Department of Hematology and Blood Transfusion, Faculty of Medical Laboratory Science, Omdurman Ahlia University, Khartoum 786, Sudan;
| | - Nabil Eid
- Department of Anatomy, College of Medicine & Health Sciences, United Arab Emirates University, Al Ain 17666, United Arab Emirates;
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14
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Wang Y, Zhang B, Wang J, Wu H, Xu S, Zhang J, Wang L. Discovery of LAMP-2A as potential biomarkers for glioblastoma development by modulating apoptosis through N-CoR degradation. Cell Commun Signal 2021; 19:40. [PMID: 33761934 PMCID: PMC7992845 DOI: 10.1186/s12964-021-00729-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Accepted: 02/22/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Lysosome-associated membrane protein type 2A (LAMP-2A) is the key component of chaperone-mediated autophagy (CMA), a cargo-selective lysosomal degradation pathway. Aberrant LAMP-2A expression and CMA activation have been demonstrated in various human malignancies. The study focusing on the intrinsic role of LAMP-2A and CMA in glioblastoma (GBM), and downstream mechanism could provide valuable insight into the pathogenesis and novel therapeutic modality of GBM. METHODS The levels of LAMP-2A, nuclear receptor co-repressor (N-CoR), unfolded protein response (UPR) and apoptosis were examined in clinical samples. LAMP-2A siRNA and shRNA were constructed to manipulate CMA activation. The role of CMA and downstream mechanism through degradation of N-CoR and arresting UPR mediated apoptosis were explored in GBM cells and nude mouse xenograft model. RESULTS Elevated LAMP-2A and associated decreased N-CoR expression were observed in GBM as compared with peritumoral region and low-grade glioma. Inhibited UPR and apoptosis were observed in GBM with high LAMP-2A expression. In vitro study demonstrated co-localization and interaction between LAMP-2A and N-CoR. LAMP-2A silencing up-regulated N-CoR and aroused UPR pathway, leading to apoptosis, while N-CoR silencing led to an opposite result. In vivo study further confirmed that LAMP-2A inhibition arrested tumor growth by promoting apoptosis. CONCLUSIONS Our results demonstrated the central role of CMA in mediating N-CoR degradation and protecting GBM cells against UPR and apoptosis, and provided evidence of LAMP-2A as potential biomarker. Further research focusing on CMA with other tumorigenic process is needed and selective modulators of LAMP-2A remain to be investigated to provide a novel therapeutic strategy for GBM. Video Abstract.
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Affiliation(s)
- Yongjie Wang
- Department of Neurosurgery, 2Nd Affiliated Hospital, School of Medicine, Zhejiang University, 88# Jiefang Road, Hangzhou, 310009 Zhejiang China
| | - Buyi Zhang
- Department of Pathology, 2Nd Affiliated Hospital, School of Medicine, Zhejiang University, 88# Jiefang Road, Hangzhou, 310009 Zhejiang China
| | - Jianli Wang
- Department of Neurosurgery, 2Nd Affiliated Hospital, School of Medicine, Zhejiang University, 88# Jiefang Road, Hangzhou, 310009 Zhejiang China
| | - Haijian Wu
- Department of Neurosurgery, 2Nd Affiliated Hospital, School of Medicine, Zhejiang University, 88# Jiefang Road, Hangzhou, 310009 Zhejiang China
| | - Shenbin Xu
- Department of Neurosurgery, 2Nd Affiliated Hospital, School of Medicine, Zhejiang University, 88# Jiefang Road, Hangzhou, 310009 Zhejiang China
| | - Jianmin Zhang
- Department of Neurosurgery, 2Nd Affiliated Hospital, School of Medicine, Zhejiang University, 88# Jiefang Road, Hangzhou, 310009 Zhejiang China
| | - Lin Wang
- Department of Neurosurgery, 2Nd Affiliated Hospital, School of Medicine, Zhejiang University, 88# Jiefang Road, Hangzhou, 310009 Zhejiang China
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15
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Liao Z, Wang B, Liu W, Xu Q, Hou L, Song J, Guo Q, Li N. Dysfunction of chaperone-mediated autophagy in human diseases. Mol Cell Biochem 2021; 476:1439-1454. [PMID: 33389491 DOI: 10.1007/s11010-020-04006-z] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Accepted: 11/24/2020] [Indexed: 12/19/2022]
Abstract
Chaperone-mediated autophagy (CMA), one of the degradation pathways of proteins, is highly selective to substrates that have KFERQ-like motif. In this process, the substrate proteins are first recognized by the chaperone protein, heat shock cognate protein 70 (Hsc70), then delivered to lysosomal membrane surface where the single-span lysosomal receptor, lysosome-associated membrane protein type 2A (LAMP2A) can bind to the substrate proteins to form a 700 kDa protein complex that allows them to translocate into the lysosome lumen to be degraded by the hydrolytic enzymes. This degradation pathway mediated by CMA plays an important role in regulating glucose and lipid metabolism, transcription, DNA reparation, cell cycle, cellular response to stress and consequently, regulating many aging-associated human diseases, such as neurodegeneration, cancer and metabolic disorders. In this review, we provide an overview of current research on the functional roles of CMA primarily from a perspective of understanding and treating human diseases and also discuss its potential applications for diseases.
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Affiliation(s)
- Zhaozhong Liao
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Qingdao University, Qingdao, China
| | - Bin Wang
- College of Electronic Information, Micro-Nano Technology College, Qingdao University, Qingdao, China
| | - Wenjing Liu
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Qingdao University, Qingdao, China
| | - Qian Xu
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Qingdao University, Qingdao, China
| | - Lin Hou
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Qingdao University, Qingdao, China
| | - Jinlian Song
- Department of Laboratory, The Affiliated Women and Children's Hospital of Qingdao University, Qingdao University, Qingdao, China
| | - Qingming Guo
- Biotherapy Center, Clinical Laboratory, Qingdao Central Hospital, The Second Affiliated Hospital of Qingdao University, Qingdao, China
| | - Ning Li
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Qingdao University, Qingdao, China.
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16
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Andrade-Tomaz M, de Souza I, Ribeiro Reily Rocha C, Rodrigues Gomes L. The Role of Chaperone-Mediated Autophagy in Cell Cycle Control and Its Implications in Cancer. Cells 2020; 9:cells9092140. [PMID: 32971884 PMCID: PMC7565978 DOI: 10.3390/cells9092140] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 09/19/2020] [Accepted: 09/19/2020] [Indexed: 12/11/2022] Open
Abstract
The cell cycle involves a network of proteins that modulate the sequence and timing of proliferation events. Unregulated proliferation is the most fundamental hallmark of cancer; thus, changes in cell cycle control are at the heart of malignant transformation processes. Several cellular processes can interfere with the cell cycle, including autophagy, the catabolic pathway involved in degradation of intracellular constituents in lysosomes. According to the mechanism used to deliver cargo to the lysosome, autophagy can be classified as macroautophagy (MA), microautophagy (MI), or chaperone-mediated autophagy (CMA). Distinct from other autophagy types, CMA substrates are selectively recognized by a cytosolic chaperone, one-by-one, and then addressed for degradation in lysosomes. The function of MA in cell cycle control, and its influence in cancer progression, are already well-established. However, regulation of the cell cycle by CMA, in the context of tumorigenesis, has not been fully addressed. This review aims to present and debate the molecular mechanisms by which CMA can interfere in the cell cycle, in the context of cancer. Thus, cell cycle modulators, such as MYC, hypoxia-inducible factor-1 subunit alpha (HIF-1α), and checkpoint kinase 1 (CHK1), regulated by CMA activity will be discussed. Finally, the review will focus on how CMA dysfunction may impact the cell cycle, and as consequence promote tumorigenesis.
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Affiliation(s)
- Marina Andrade-Tomaz
- Departamento de Oncologia Clínica e Experimental, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo 04037-003, SP, Brazil; (M.A.-T.); (I.d.S.); (C.R.R.R.)
| | - Izadora de Souza
- Departamento de Oncologia Clínica e Experimental, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo 04037-003, SP, Brazil; (M.A.-T.); (I.d.S.); (C.R.R.R.)
| | - Clarissa Ribeiro Reily Rocha
- Departamento de Oncologia Clínica e Experimental, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo 04037-003, SP, Brazil; (M.A.-T.); (I.d.S.); (C.R.R.R.)
| | - Luciana Rodrigues Gomes
- Laboratório de Ciclo Celular, Center of Toxins, Immune Response and Cell Signaling (CeTICS), Instituto Butantan, São Paulo 05503-001, SP, Brazil
- Correspondence: ; Tel.: +55-11-2627-3755
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17
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Ichikawa A, Fujita Y, Hosaka Y, Kadota T, Ito A, Yagishita S, Watanabe N, Fujimoto S, Kawamoto H, Saito N, Yoshida M, Hashimoto M, Minagawa S, Hara H, Motoi N, Yamamoto Y, Ochiya T, Araya J, Kuwano K. Chaperone-mediated autophagy receptor modulates tumor growth and chemoresistance in non-small cell lung cancer. Cancer Sci 2020; 111:4154-4165. [PMID: 32860290 PMCID: PMC7648026 DOI: 10.1111/cas.14629] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 08/12/2020] [Accepted: 08/16/2020] [Indexed: 12/17/2022] Open
Abstract
Chaperone-mediated autophagy (CMA) is a lysosomal degradation pathway of selective soluble proteins. Lysosome-associated membrane protein type 2a (LAMP2A) is the key receptor protein of CMA; downregulation of LAMP2A leads to CMA blockade. Although CMA activation has been involved in cancer growth, CMA status and functions in non-small cell lung cancer (NSCLC) by focusing on the roles in regulating chemosensitivity remain to be clarified. In this study, we found that LAMP2A expression is elevated in NSCLC cell lines and patient's tumors, conferring poor survival and platinum resistance in NSCLC patients. LAMP2A knockdown in NSCLC cells suppressed cell proliferation and colony formation and increased the sensitivity to chemotherapeutic drugs in vitro. Furthermore, we found that intrinsic apoptosis signaling is the mechanism of cell death involved with CMA blockade. Remarkably, LAMP2A knockdown repressed tumorigenicity and sensitized the tumors to cisplatin treatment in NSCLC-bearing mice. Our discoveries suggest that LAMP2A is involved in the regulation of cancer malignant phenotypes and represents a promising new target against chemoresistant NSCLC.
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Affiliation(s)
- Akihiro Ichikawa
- Department of Internal Medicine, Division of Respiratory Diseases, The Jikei University School of Medicine, Tokyo, Japan
| | - Yu Fujita
- Department of Internal Medicine, Division of Respiratory Diseases, The Jikei University School of Medicine, Tokyo, Japan.,Division of Molecular and Cellular Medicine, National Cancer Center Research Institute, Tokyo, Japan
| | - Yusuke Hosaka
- Department of Internal Medicine, Division of Respiratory Diseases, The Jikei University School of Medicine, Tokyo, Japan
| | - Tsukasa Kadota
- Department of Internal Medicine, Division of Respiratory Diseases, The Jikei University School of Medicine, Tokyo, Japan.,Division of Molecular and Cellular Medicine, National Cancer Center Research Institute, Tokyo, Japan
| | - Akihiko Ito
- Department of Internal Medicine, Division of Respiratory Diseases, The Jikei University School of Medicine, Tokyo, Japan
| | - Shigehiro Yagishita
- Division of Molecular Pharmacology, National Cancer Center Research Institute, Tokyo, Japan
| | - Naoaki Watanabe
- Department of Internal Medicine, Division of Respiratory Diseases, The Jikei University School of Medicine, Tokyo, Japan.,Division of Cellular Signaling, National Cancer Center Research Institute, Tokyo, Japan
| | - Shota Fujimoto
- Department of Internal Medicine, Division of Respiratory Diseases, The Jikei University School of Medicine, Tokyo, Japan
| | - Hironori Kawamoto
- Department of Internal Medicine, Division of Respiratory Diseases, The Jikei University School of Medicine, Tokyo, Japan
| | - Nayuta Saito
- Department of Internal Medicine, Division of Respiratory Diseases, The Jikei University School of Medicine, Tokyo, Japan
| | - Masahiro Yoshida
- Department of Internal Medicine, Division of Respiratory Diseases, The Jikei University School of Medicine, Tokyo, Japan
| | - Mitsuo Hashimoto
- Department of Internal Medicine, Division of Respiratory Diseases, The Jikei University School of Medicine, Tokyo, Japan
| | - Shunsuke Minagawa
- Department of Internal Medicine, Division of Respiratory Diseases, The Jikei University School of Medicine, Tokyo, Japan
| | - Hiromichi Hara
- Department of Internal Medicine, Division of Respiratory Diseases, The Jikei University School of Medicine, Tokyo, Japan
| | - Noriko Motoi
- Department of Diagnostic Pathology, National Cancer Center Hospital, Tokyo, Japan
| | - Yusuke Yamamoto
- Division of Cellular Signaling, National Cancer Center Research Institute, Tokyo, Japan
| | - Takahiro Ochiya
- Division of Molecular and Cellular Medicine, National Cancer Center Research Institute, Tokyo, Japan.,Department of Molecular and Cellular Medicine, Institute of Medical Science, Tokyo Medical University, Tokyo, Japan
| | - Jun Araya
- Department of Internal Medicine, Division of Respiratory Diseases, The Jikei University School of Medicine, Tokyo, Japan
| | - Kazuyoshi Kuwano
- Department of Internal Medicine, Division of Respiratory Diseases, The Jikei University School of Medicine, Tokyo, Japan
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18
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Wu X, Luo L, Kong R, Song Y, Li Q, Nice EC, Wang K. Recent advances in autophagic machinery: a proteomic perspective. Expert Rev Proteomics 2020; 17:561-579. [PMID: 32772586 DOI: 10.1080/14789450.2020.1808464] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
INTRODUCTION Autophagy is an evolutionarily conserved cellular clearance process, by which cytosolic components are delivered to autolysosomes for breakdown and recycling to maintain cellular homeostasis. During the past decades, autophagy has been found to be tightly implicated in various physiological and pathological progresses. Unraveling the regulatory mechanisms of the autophagy process will contribute to the development of emerging autophagy-targeting strategies for the treatment of various diseases. Recently, the rapid development of proteomics approaches has enabled the use of large-scale unbiased strategies to unravel autophagy machinery. AREAS COVERED In this review, we will highlight the recent contributions of proteomics strategies in clarifying the autophagy machinery, with an emphasis on the three different types of autophagy (namely macroautophagy, microautophagy, and chaperone-mediated autophagy). We will also discuss the emerging role of proteomics approaches in investigating the mechanism of the autophagy-based unconventional secretory pathway (secretory autophagy). EXPERT OPINION Proteomics has provided an effective strategy for the comprehensive analysis of the autophagy process, which will broaden our understanding of autophagy machinery, and holds great promise for developing clinical therapies targeting autophagy.
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Affiliation(s)
- Xingyun Wu
- West China School of Basic Medical Sciences & Forensic Medicine, Center of Reproductive Medicine, West China Second University Hospital, and State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy , Chengdu, P.R. China
| | - Li Luo
- West China School of Basic Medical Sciences & Forensic Medicine, Center of Reproductive Medicine, West China Second University Hospital, and State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy , Chengdu, P.R. China.,Key Laboratory of Birth Defects and Related Diseases of Women and Children, Sichuan University, Ministry of Education , Chengdu, P.R. China
| | - Ruxin Kong
- West China School of Basic Medical Sciences & Forensic Medicine, Center of Reproductive Medicine, West China Second University Hospital, and State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy , Chengdu, P.R. China
| | - Yabing Song
- West China School of Basic Medical Sciences & Forensic Medicine, Center of Reproductive Medicine, West China Second University Hospital, and State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy , Chengdu, P.R. China
| | - Qifu Li
- Department of Neurology, the First Affiliated Hospital of Hainan Medical University, and Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University , Haikou, P.R. China
| | - Edouard C Nice
- Department of Biochemistry and Molecular Biology, Monash University , Clayton, Australia
| | - Kui Wang
- West China School of Basic Medical Sciences & Forensic Medicine, Center of Reproductive Medicine, West China Second University Hospital, and State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy , Chengdu, P.R. China
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19
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Humbert M, Morán M, de la Cruz-Ojeda P, Muntané J, Wiedmer T, Apostolova N, McKenna SL, Velasco G, Balduini W, Eckhart L, Janji B, Sampaio-Marques B, Ludovico P, Žerovnik E, Langer R, Perren A, Engedal N, Tschan MP. Assessing Autophagy in Archived Tissue or How to Capture Autophagic Flux from a Tissue Snapshot. BIOLOGY 2020; 9:E59. [PMID: 32245178 PMCID: PMC7150830 DOI: 10.3390/biology9030059] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Revised: 03/18/2020] [Accepted: 03/19/2020] [Indexed: 12/14/2022]
Abstract
Autophagy is a highly conserved degradation mechanism that is essential for maintaining cellular homeostasis. In human disease, autophagy pathways are frequently deregulated and there is immense interest in targeting autophagy for therapeutic approaches. Accordingly, there is a need to determine autophagic activity in human tissues, an endeavor that is hampered by the fact that autophagy is characterized by the flux of substrates whereas histology informs only about amounts and localization of substrates and regulators at a single timepoint. Despite this challenging task, considerable progress in establishing markers of autophagy has been made in recent years. The importance of establishing clear-cut autophagy markers that can be used for tissue analysis cannot be underestimated. In this review, we attempt to summarize known techniques to quantify autophagy in human tissue and their drawbacks. Furthermore, we provide some recommendations that should be taken into consideration to improve the reliability and the interpretation of autophagy biomarkers in human tissue samples.
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Grants
- none Bernese Cancer League
- none Stiftung für klinisch-experimentelle Tumorforschung
- none Werner and Hedy Berger-Janser Foundation for Cancer Research
- PI14/01085 and PI17/00093 FIS and FEDER funds from the EU
- CPII16/00023 ISCIII and FSE funds
- RTI2018-096748-B-100 the Spanish Minsitry of Science, Innovation and Universities
- none University Professor Training Fellowship, Ministry of Science, Innovation and University, Government of Spain
- PI18/00442 the State Plan for R & D + I2013-2016 and funded by the Instituto de Salud Carlos III
- none European Regional Development Fund
- C18/BM/12670304/COMBATIC Luxembourg National Research Fund
- NORTE-01-0145-FEDER-000013 Northern Portugal Regional Operational Programme (NORTE 2020), under the Portugal 2020 Partnership Agreement, by the European Regional Development Fund (FEDER), through the Competitiveness Factors Operational Programme (COMPETE)
- POCI-01-0145-FEDER-028159 and POCI-01-0145-FEDER-030782 FEDER, through the COMPETE
- none National funds, through the Foundation for Science and Technology (FCT
- none ARRS - the Slovenian research agency, programme P1-0140: Proteolysis and its regulation
- KFS-3360-02-2014 the Swiss Cancer Research
- KFS-3409-02-2014 the Swiss Cancer Research
- 31003A_173219 Swiss National Science Foundation
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Affiliation(s)
- Magali Humbert
- TRANSAUTOPHAGY: European Network for Multidisciplinary Research and Translation of Autophagy Knowledge, COST Action CA15138, 08193 Barcelona, Spain; (M.M.); (J.M.); (N.A.); (S.L.M.); (G.V.); (W.B.); (L.E.); (B.J.); (B.S.-M.); (P.L.); (E.Ž.); (N.E.)
- Institute of Pathology, University of Bern, Murtenstrasse 31, CH-3008 Bern, Switzerland; (T.W.); (R.L.); (A.P.)
| | - María Morán
- TRANSAUTOPHAGY: European Network for Multidisciplinary Research and Translation of Autophagy Knowledge, COST Action CA15138, 08193 Barcelona, Spain; (M.M.); (J.M.); (N.A.); (S.L.M.); (G.V.); (W.B.); (L.E.); (B.J.); (B.S.-M.); (P.L.); (E.Ž.); (N.E.)
- Mitochondrial and Neuromuscular Diseases Laboratory, Instituto de Investigación Sanitaria Hospital ‘12 de Octubre’ (‘imas12’), 28041 Madrid, Spain
- Spanish Network for Biomedical Research in Rare Diseases (CIBERER), U723, Institute of Health Carlos III (ISCIII), 28029 Madrid, Spain
| | - Patricia de la Cruz-Ojeda
- Institute of Biomedicine of Seville (IBiS), Hospital University “Virgen del Rocío”/CSIC/University of Seville, 41013 Seville, Spain;
- Department of Surgery, School of Medicine, University of Seville, 41009 Seville, Spain
| | - Jordi Muntané
- TRANSAUTOPHAGY: European Network for Multidisciplinary Research and Translation of Autophagy Knowledge, COST Action CA15138, 08193 Barcelona, Spain; (M.M.); (J.M.); (N.A.); (S.L.M.); (G.V.); (W.B.); (L.E.); (B.J.); (B.S.-M.); (P.L.); (E.Ž.); (N.E.)
- Institute of Biomedicine of Seville (IBiS), Hospital University “Virgen del Rocío”/CSIC/University of Seville, 41013 Seville, Spain;
- Department of Surgery, School of Medicine, University of Seville, 41009 Seville, Spain
- Spanish Network for Biomedical Research in Hepatic and Digestive Diseases (CIBERehd), Institute of Health Carlos III (ISCIII), 28029 Madrid, Spain
| | - Tabea Wiedmer
- Institute of Pathology, University of Bern, Murtenstrasse 31, CH-3008 Bern, Switzerland; (T.W.); (R.L.); (A.P.)
| | - Nadezda Apostolova
- TRANSAUTOPHAGY: European Network for Multidisciplinary Research and Translation of Autophagy Knowledge, COST Action CA15138, 08193 Barcelona, Spain; (M.M.); (J.M.); (N.A.); (S.L.M.); (G.V.); (W.B.); (L.E.); (B.J.); (B.S.-M.); (P.L.); (E.Ž.); (N.E.)
- Spanish Network for Biomedical Research in Hepatic and Digestive Diseases (CIBERehd), Institute of Health Carlos III (ISCIII), 28029 Madrid, Spain
- Department of Pharmacology, University of Valencia, 46010 Valencia, Spain
| | - Sharon L. McKenna
- TRANSAUTOPHAGY: European Network for Multidisciplinary Research and Translation of Autophagy Knowledge, COST Action CA15138, 08193 Barcelona, Spain; (M.M.); (J.M.); (N.A.); (S.L.M.); (G.V.); (W.B.); (L.E.); (B.J.); (B.S.-M.); (P.L.); (E.Ž.); (N.E.)
- Cancer Research at UCC, Western Gateway Building, University College Cork, T12 XF62 Cork, Ireland
| | - Guillermo Velasco
- TRANSAUTOPHAGY: European Network for Multidisciplinary Research and Translation of Autophagy Knowledge, COST Action CA15138, 08193 Barcelona, Spain; (M.M.); (J.M.); (N.A.); (S.L.M.); (G.V.); (W.B.); (L.E.); (B.J.); (B.S.-M.); (P.L.); (E.Ž.); (N.E.)
- Department of Biochemistry and Molecular Biology, School of Biology, Complutense University, and Instituto de Investigaciones Sanitarias San Carlos (IdISSC), 28040 Madrid, Spain
| | - Walter Balduini
- TRANSAUTOPHAGY: European Network for Multidisciplinary Research and Translation of Autophagy Knowledge, COST Action CA15138, 08193 Barcelona, Spain; (M.M.); (J.M.); (N.A.); (S.L.M.); (G.V.); (W.B.); (L.E.); (B.J.); (B.S.-M.); (P.L.); (E.Ž.); (N.E.)
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, 61029 Urbino, Italy
| | - Leopold Eckhart
- TRANSAUTOPHAGY: European Network for Multidisciplinary Research and Translation of Autophagy Knowledge, COST Action CA15138, 08193 Barcelona, Spain; (M.M.); (J.M.); (N.A.); (S.L.M.); (G.V.); (W.B.); (L.E.); (B.J.); (B.S.-M.); (P.L.); (E.Ž.); (N.E.)
- Department of Dermatology, Medical University of Vienna, Vienna 1090, Austria
| | - Bassam Janji
- TRANSAUTOPHAGY: European Network for Multidisciplinary Research and Translation of Autophagy Knowledge, COST Action CA15138, 08193 Barcelona, Spain; (M.M.); (J.M.); (N.A.); (S.L.M.); (G.V.); (W.B.); (L.E.); (B.J.); (B.S.-M.); (P.L.); (E.Ž.); (N.E.)
- Tumor Immunotherapy and Microenvironment (TIME) Group, Department of Oncology—Luxembourg Institute of Health, 1526 Luxembourg City, Luxembourg
| | - Belém Sampaio-Marques
- TRANSAUTOPHAGY: European Network for Multidisciplinary Research and Translation of Autophagy Knowledge, COST Action CA15138, 08193 Barcelona, Spain; (M.M.); (J.M.); (N.A.); (S.L.M.); (G.V.); (W.B.); (L.E.); (B.J.); (B.S.-M.); (P.L.); (E.Ž.); (N.E.)
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal
- ICVS/3B’s—PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Paula Ludovico
- TRANSAUTOPHAGY: European Network for Multidisciplinary Research and Translation of Autophagy Knowledge, COST Action CA15138, 08193 Barcelona, Spain; (M.M.); (J.M.); (N.A.); (S.L.M.); (G.V.); (W.B.); (L.E.); (B.J.); (B.S.-M.); (P.L.); (E.Ž.); (N.E.)
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal
- ICVS/3B’s—PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Eva Žerovnik
- TRANSAUTOPHAGY: European Network for Multidisciplinary Research and Translation of Autophagy Knowledge, COST Action CA15138, 08193 Barcelona, Spain; (M.M.); (J.M.); (N.A.); (S.L.M.); (G.V.); (W.B.); (L.E.); (B.J.); (B.S.-M.); (P.L.); (E.Ž.); (N.E.)
- Department of Biochemistry and Molecular and Structural Biology, Jožef Stefan Institute, 1000 Ljubljana, Slovenia
| | - Rupert Langer
- Institute of Pathology, University of Bern, Murtenstrasse 31, CH-3008 Bern, Switzerland; (T.W.); (R.L.); (A.P.)
| | - Aurel Perren
- Institute of Pathology, University of Bern, Murtenstrasse 31, CH-3008 Bern, Switzerland; (T.W.); (R.L.); (A.P.)
| | - Nikolai Engedal
- TRANSAUTOPHAGY: European Network for Multidisciplinary Research and Translation of Autophagy Knowledge, COST Action CA15138, 08193 Barcelona, Spain; (M.M.); (J.M.); (N.A.); (S.L.M.); (G.V.); (W.B.); (L.E.); (B.J.); (B.S.-M.); (P.L.); (E.Ž.); (N.E.)
- Department of Tumor Biology, Institute for Cancer Research, Oslo University Hospital, 0424 Oslo, Norway
| | - Mario P. Tschan
- TRANSAUTOPHAGY: European Network for Multidisciplinary Research and Translation of Autophagy Knowledge, COST Action CA15138, 08193 Barcelona, Spain; (M.M.); (J.M.); (N.A.); (S.L.M.); (G.V.); (W.B.); (L.E.); (B.J.); (B.S.-M.); (P.L.); (E.Ž.); (N.E.)
- Institute of Pathology, University of Bern, Murtenstrasse 31, CH-3008 Bern, Switzerland; (T.W.); (R.L.); (A.P.)
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20
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Joshi V, Upadhyay A, Prajapati VK, Mishra A. How autophagy can restore proteostasis defects in multiple diseases? Med Res Rev 2020; 40:1385-1439. [PMID: 32043639 DOI: 10.1002/med.21662] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 01/03/2020] [Accepted: 01/28/2020] [Indexed: 12/12/2022]
Abstract
Cellular evolution develops several conserved mechanisms by which cells can tolerate various difficult conditions and overall maintain homeostasis. Autophagy is a well-developed and evolutionarily conserved mechanism of catabolism, which endorses the degradation of foreign and endogenous materials via autolysosome. To decrease the burden of the ubiquitin-proteasome system (UPS), autophagy also promotes the selective degradation of proteins in a tightly regulated way to improve the physiological balance of cellular proteostasis that may get perturbed due to the accumulation of misfolded proteins. However, the diverse as well as selective clearance of unwanted materials and regulations of several cellular mechanisms via autophagy is still a critical mystery. Also, the failure of autophagy causes an increase in the accumulation of harmful protein aggregates that may lead to neurodegeneration. Therefore, it is necessary to address this multifactorial threat for in-depth research and develop more effective therapeutic strategies against lethal autophagy alterations. In this paper, we discuss the most relevant and recent reports on autophagy modulations and their impact on neurodegeneration and other complex disorders. We have summarized various pharmacological findings linked with the induction and suppression of autophagy mechanism and their promising preclinical and clinical applications to provide therapeutic solutions against neurodegeneration. The conclusion, key questions, and future prospectives sections summarize fundamental challenges and their possible feasible solutions linked with autophagy mechanism to potentially design an impactful therapeutic niche to treat neurodegenerative diseases and imperfect aging.
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Affiliation(s)
- Vibhuti Joshi
- Cellular and Molecular Neurobiology Unit, Indian Institute of Technology Jodhpur, Karwar, India
| | - Arun Upadhyay
- Cellular and Molecular Neurobiology Unit, Indian Institute of Technology Jodhpur, Karwar, India
| | - Vijay K Prajapati
- Department of Biochemistry, School of Life Sciences, Central University of Rajasthan, Ajmer, India
| | - Amit Mishra
- Cellular and Molecular Neurobiology Unit, Indian Institute of Technology Jodhpur, Karwar, India
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21
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Arias E, Cuervo AM. Pros and Cons of Chaperone-Mediated Autophagy in Cancer Biology. Trends Endocrinol Metab 2020; 31:53-66. [PMID: 31699565 PMCID: PMC7020649 DOI: 10.1016/j.tem.2019.09.007] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 09/16/2019] [Accepted: 09/17/2019] [Indexed: 11/18/2022]
Abstract
Autophagy contributes to cellular quality control and energetics through lysosomal breakdown and recycling of essential cellular components. Chaperone-mediated autophagy (CMA) adds to these autophagic functions the ability to timely and selectively degrade single tagged proteins to terminate their cellular function and, in this way, participate in the regulation of multiple cellular processes. Many cancer cells upregulate CMA for protumorigenic and prosurvival purposes. However, growing evidence supports a physiological role for CMA in limiting malignant transformation. Understanding the mechanisms behind this functional switch of CMA from antioncogenic to pro-oncogenic is fundamental for targeting CMA in cancer treatment. We summarize current understanding of CMA functions in cancer biology and discuss the basis for its context-dependent dual role in oncogenesis.
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Affiliation(s)
- Esperanza Arias
- Department of Medicine, Albert Einstein College of Medicine, Bronx, NY 10461, USA; Marion Bessin Liver Research Center, Albert Einstein College of Medicine, Bronx, NY 10461, USA; Institute for Aging Studies, Albert Einstein College of Medicine, Bronx, NY 10461, USA.
| | - Ana Maria Cuervo
- Marion Bessin Liver Research Center, Albert Einstein College of Medicine, Bronx, NY 10461, USA; Institute for Aging Studies, Albert Einstein College of Medicine, Bronx, NY 10461, USA; Department of Development and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY 10461, USA.
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22
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Tan SY, Visvanathan S, Abu Hassan R, Khan M. Autophagic Degradation of Misfolded Nuclear Receptor Co-repressor (NCoR) Is Linked to the Growth of Tumor Cells in HBX Positive Hepatocellular Carcinoma (HCC). Front Oncol 2019; 9:1335. [PMID: 31850220 PMCID: PMC6902082 DOI: 10.3389/fonc.2019.01335] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Accepted: 11/14/2019] [Indexed: 11/23/2022] Open
Abstract
Hepatitis B virus (HBV) is causally linked to hepatocellular injury and cell death, which are followed by hepatocellular carcinoma (HCC) after a long latent period. The HBV derived X protein (HBX) is the most potent carcinogenic factor for HCC, however, the molecular mechanism of HBX-induced transformation of hepatic cells in HCC is poorly understood. We have shown that nuclear receptor co-repressor (NCoR) is essential for the spatial repression of global transcription by the promyelocytic leukemia oncogenic domains (PODs), a frequent target of viral oncoproteins like HBX and that disintegration of PODs due to misfolded conformation dependent loss (MCDL) of NCoR is linked to promyelocytic and monocytic acute myeloid leukemia (AML). Given the key role of NCoR in cellular homeostasis across various tissue subtypes, we hypothesized that HBX-induced MCDL of NCoR might be linked to HCC through similar mechanism. Based on this hypothesis, the conformation of NCoR in HCC derived tumor cells and primary human tissue sections were analyzed and a selective MCDL of NCoR in HBX positive HCC cells was identified. HBX triggered the misfolding of NCoR through ubiquitination, followed by its degradation by autophagy, thus suggesting a cross talk between ubiquitin proteasome system (UPS) and autophagy lysosomal pathway (ALP) in MCDL of NCoR in HBX positive HCC cells. SiRNA-induced NCoR ablation selectively impaired the growth and survival of HBX positive HCC cells, suggesting a role of MCDL in the growth and survival of HBX positive HCC cells. These finding identify a possible crosstalk between UPS and ALP in the misfolding and loss of NCoR in HBX positive HCC cells and suggest a role of autophagic recycling of misfolded NCoR in the activation of oncogenic metabolic signaling in HCC. The misfolded NCoR reported in this study represents a novel conformation based molecular target which could be valuable in the design and development of tumor cell specific diagnostic and therapeutic approach for HBX positive HCC.
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Affiliation(s)
- Su Yin Tan
- Bio-Rad Laboratories, Singapore, Singapore
| | | | - Radzi Abu Hassan
- Clinical Research Center, Hospital Sultanah Bahiyah, Alor Setar, Malaysia
| | - Matiullah Khan
- Department of Pathology, AIMST University, Bedong, Malaysia
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23
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Robert G, Jacquel A, Auberger P. Chaperone-Mediated Autophagy and Its Emerging Role in Hematological Malignancies. Cells 2019; 8:E1260. [PMID: 31623164 PMCID: PMC6830112 DOI: 10.3390/cells8101260] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Revised: 10/04/2019] [Accepted: 10/11/2019] [Indexed: 12/19/2022] Open
Abstract
Chaperone-mediated autophagy (CMA) ensures the selective degradation of cellular proteins endowed with a KFERQ-like motif by lysosomes. It is estimated that 30% of all cellular proteins can be directed to the lysosome for CMA degradation, but only a few substrates have been formally identified so far. Mechanistically, the KFERQ-like motifs present in substrate proteins are recognized by the molecular chaperone Hsc70c (Heat shock cognate 71 kDa protein cytosolic), also known as HSPA8, and directed to LAMP2A, which acts as the CMA receptor at the lysosomal surface. Following linearization, the protein substrate is next transported to the lumen of the lysosomes, where it is degraded by resident proteases, mainly cathepsins and eventually recycled to sustain cellular homeostasis. CMA is induced by different stress conditions, including energy deprivation that also activates macro-autophagy (MA), that may make it difficult to decipher the relative impact of both pathways on cellular homeostasis. Besides common inducing triggers, CMA and MA might be induced as compensatory mechanisms when either mechanism is altered, as it is the often the case in different pathological settings. Therefore, CMA activation can compensate for alterations of MA and vice versa. In this context, these compensatory mechanisms, when occurring, may be targeted for therapeutic purposes. Both processes have received particular attention from scientists and clinicians, since modulation of MA and CMA may have a profound impact on cellular proteostasis, metabolism, death, differentiation, and survival and, as such, could be targeted for therapeutic intervention in degenerative and immune diseases, as well as in cancer, including hematopoietic malignancies. The role of MA in cancer initiation and progression is now well established, but whether and how CMA is involved in tumorigenesis has been only sparsely explored. In the present review, we encompass the description of the mechanisms involved in CMA, its function in the physiology and pathogenesis of hematopoietic cells, its emerging role in cancer initiation and development, and, finally, the potential therapeutic opportunity to target CMA or CMA-mediated compensatory mechanisms in hematological malignancies.
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Affiliation(s)
- Guillaume Robert
- Mediterranean Center for Molecular Medicine ,Université Nice Côte d'Azur, C3M/Inserm1065, 06100 Nice, France.
| | - Arnaud Jacquel
- Mediterranean Center for Molecular Medicine ,Université Nice Côte d'Azur, C3M/Inserm1065, 06100 Nice, France
| | - Patrick Auberger
- Mediterranean Center for Molecular Medicine ,Université Nice Côte d'Azur, C3M/Inserm1065, 06100 Nice, France.
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24
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Therapeutic targeting of the PI4K2A/PKR lysosome network is critical for misfolded protein clearance and survival in cancer cells. Oncogene 2019; 39:801-813. [PMID: 31554935 PMCID: PMC6976521 DOI: 10.1038/s41388-019-1010-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Revised: 08/20/2019] [Accepted: 08/20/2019] [Indexed: 12/14/2022]
Abstract
The role of RNA-dependent protein kinase R (PKR) and its association with misfolded protein expression in cancer cells are unclear. Herein we report that PKR regulates misfolded protein clearance by preventing it release through exosomes and promoting lysosomal degradation of misfolded prion proteins in cancer cells. We demonstrated that PKR contributes to the lysosome function and regulates misfolded prion protein clearance. We hypothesized that PKR-associated lysosome function is critical for cancer but not normal cell survival, representing an effective approach for highly targeted cancer therapy. In screening a compound library, we identified two PKR-associated compounds 1 and 2 (Pac 1 and 2) did not affect normal cells but selectively induced cell death in cancer cells depending on their PKR expression status. Pac 1 significantly inhibited the growth of human lung and breast xenograft tumors in mice with no toxicity. Pac 1 binds to PI4K2A and disrupts the PKR/PI4K2A-associated lysosome complex, contributing to destabilization of cancer cell lysosomes and triggering cell death. We observed that PKR and PI4K2A play significant prognostic roles in breast cancer patients. These results demonstrate that targeting of a PI4K2A/PKR lysosome complex may be an effective approach for cancer therapy.
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25
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Xue N, Lai F, Du T, Ji M, Liu D, Yan C, Zhang S, Yu X, Jin J, Chen X. Chaperone-mediated autophagy degradation of IGF-1Rβ induced by NVP-AUY922 in pancreatic cancer. Cell Mol Life Sci 2019; 76:3433-3447. [PMID: 30980109 PMCID: PMC11105470 DOI: 10.1007/s00018-019-03080-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 03/04/2019] [Accepted: 03/18/2019] [Indexed: 11/26/2022]
Abstract
Enhancement of insulin-like growth factor 1 receptor (IGF-IR) degradation by heat shock protein 90 (HSP90) inhibitor is a potential antitumor therapeutic strategy. However, very little is known about how IGF-IR protein levels are degraded by HSP90 inhibitors in pancreatic cancer (PC). We found that the HSP90α inhibitor NVP-AUY922 (922) effectively downregulated and destabilized the IGF-1Rβ protein, substantially reduced the levels of downstream signaling molecules (p-AKT, AKT and p-ERK1/2), and resulted in growth inhibition and apoptosis in IGF-1Rβ-overexpressing PC cells. Preincubation with a proteasome or lysosome inhibitor (MG132, 3 MA or CQ) mainly led to IGF-1Rβ degradation via the lysosome degradation pathway, rather than the proteasome-dependent pathway, after PC cells were treated with 922 for 24 h. These results might be associated with the inhibition of pancreatic cellular chymotrypsin-peptidase activity by 922 for 24 h. Interestingly, 922 induced autophagic flux by increasing LC3II expression and puncta formation. However, knockdown of the crucial autophagy component AGT5 and the chemical inhibitor 3 MA-blocked 922-induced autophagy did not abrogate 922-triggered IGF-1Rβ degradation. Furthermore, 922 could enhance chaperone-mediated autophagy (CMA) activity and promote the association between HSP/HSC70 and IGF-1Rβ or LAMP2A in coimmunoprecipitation and immunofluorescence analyses. Silencing of LAMP2A to inhibit CMA activity reversed 922-induced IGF-1Rβ degradation, suggesting that IGF-1Rβ degradation by 922 was partially dependent on the CMA pathway rather than macroautophagy. This finding is mirrored by the identification of the KFERQ-like motif in IGF-1Rβ. These observations support the potential application of 922 for IGF-1Rβ-overexpressing PC therapy and first identify the role of the CMA pathway in IGF-1Rβ degradation by an HSP90 inhibitor.
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Affiliation(s)
- Nina Xue
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Beijing Key Laboratory of Non-Clinical Drug Metabolism and PK/PD Study, Institute of Materia Medica, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100050, China
| | - Fangfang Lai
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Beijing Key Laboratory of Non-Clinical Drug Metabolism and PK/PD Study, Institute of Materia Medica, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100050, China
| | - Tingting Du
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Beijing Key Laboratory of Non-Clinical Drug Metabolism and PK/PD Study, Institute of Materia Medica, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100050, China
| | - Ming Ji
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Beijing Key Laboratory of Non-Clinical Drug Metabolism and PK/PD Study, Institute of Materia Medica, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100050, China
| | - Di Liu
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Beijing Key Laboratory of Non-Clinical Drug Metabolism and PK/PD Study, Institute of Materia Medica, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100050, China
| | - Chunhong Yan
- Georgia Cancer Center, Augusta University, Augusta, GA, 30912, USA
| | - Sen Zhang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Beijing Key Laboratory of Non-Clinical Drug Metabolism and PK/PD Study, Institute of Materia Medica, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100050, China
| | - Xiaoming Yu
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Beijing Key Laboratory of Non-Clinical Drug Metabolism and PK/PD Study, Institute of Materia Medica, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100050, China
| | - Jing Jin
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Beijing Key Laboratory of Non-Clinical Drug Metabolism and PK/PD Study, Institute of Materia Medica, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100050, China.
| | - Xiaoguang Chen
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Beijing Key Laboratory of Non-Clinical Drug Metabolism and PK/PD Study, Institute of Materia Medica, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100050, China.
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26
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Abstract
Chaperone-mediated autophagy (CMA) was the first studied process that indicated that degradation of intracellular components by the lysosome can be selective - a concept that is now well accepted for other forms of autophagy. Lysosomes can degrade cellular cytosol in a nonspecific manner but can also discriminate what to target for degradation with the involvement of a degradation tag, a chaperone and a sophisticated mechanism to make the selected proteins cross the lysosomal membrane through a dedicated translocation complex. Recent studies modulating CMA activity in vivo using transgenic mouse models have demonstrated that selectivity confers on CMA the ability to participate in the regulation of multiple cellular functions. Timely degradation of specific cellular proteins by CMA modulates, for example, glucose and lipid metabolism, DNA repair, cellular reprograming and the cellular response to stress. These findings expand the physiological relevance of CMA beyond its originally identified role in protein quality control and reveal that CMA failure with age may aggravate diseases, such as ageing-associated neurodegeneration and cancer.
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Affiliation(s)
- Susmita Kaushik
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY, USA. .,Institute for Aging Studies, Albert Einstein College of Medicine, Bronx, NY, USA.
| | - Ana Maria Cuervo
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY, USA. .,Institute for Aging Studies, Albert Einstein College of Medicine, Bronx, NY, USA.
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Hao Y, Kacal M, Ouchida AT, Zhang B, Norberg E, Vakifahmetoglu-Norberg H. Targetome analysis of chaperone-mediated autophagy in cancer cells. Autophagy 2019; 15:1558-1571. [PMID: 30821613 PMCID: PMC6693453 DOI: 10.1080/15548627.2019.1586255] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
Chaperone-mediated autophagy (CMA) is a lysosomal degradation pathway of select soluble proteins. Nearly one-third of the soluble proteins are predicted to be recognized by this pathway, yet only a minor fraction of this proteome has been identified as CMA substrates in cancer cells. Here, we undertook a quantitative multiplex mass spectrometry approach to study the proteome of isolated lysosomes in cancer cells during CMA-activated conditions. By integrating bioinformatics analyses, we identified and categorized proteins of multiple cellular pathways that were specifically targeted by CMA. Beyond verifying metabolic pathways, we show that multiple components involved in select biological processes, including cellular translation, was specifically targeted for degradation by CMA. In particular, several proteins of the translation initiation complex were identified as bona fide CMA substrates in multiple cancer cell lines of distinct origin and we show that CMA suppresses cellular translation. We further show that the identified CMA substrates display high expression in multiple primary cancers compared to their normal counterparts. Combined, these findings uncover cellular processes affected by CMA and reveal a new role for CMA in the control of translation in cancer cells. Abbreviations: 6-AN: 6-aminonicotinamide; ACTB: actin beta; AR7: atypical retinoid 7; CHX: cycloheximide; CMA: chaperone-mediated autophagy; CQ: chloroquine; CTS: cathepsins; DDX3X: DEAD-box helicase 3 X-linked; EEF2: eukaryotic translation elongation factor 2; EIF4A1: eukaryotic translation initiation factor 4A1; EIF4H: eukaryotic translation initiation factor 4H; GEO: Gene Expression Omnibus; GO: Gene Ontology; GSEA: gene set enrichment analysis; HK2: hexokinase 2; HSPA8/HSC70: heat shock protein family A (Hsp70) member 8; LAMP: lysosomal-associated membrane protein; LDHA: lactate dehydrogenase A; NES: normalized enrichment score; NFKBIA: NFKB inhibitor alpha; PCA: principle component analysis; PQ: paraquat; S.D.: standard deviation; SUnSET: surface sensing of translation; TMT: tandem mass tags; TOMM40/TOM40: translocase of outer mitochondrial membrane 40.
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Affiliation(s)
- Yuqing Hao
- a Department of Physiology and Pharmacology, Biomedicum, Karolinska Institutet , Stockholm , Sweden
| | - Merve Kacal
- a Department of Physiology and Pharmacology, Biomedicum, Karolinska Institutet , Stockholm , Sweden
| | - Amanda Tomie Ouchida
- a Department of Physiology and Pharmacology, Biomedicum, Karolinska Institutet , Stockholm , Sweden
| | - Boxi Zhang
- a Department of Physiology and Pharmacology, Biomedicum, Karolinska Institutet , Stockholm , Sweden
| | - Erik Norberg
- a Department of Physiology and Pharmacology, Biomedicum, Karolinska Institutet , Stockholm , Sweden
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Zhang S, Hu B, You Y, Yang Z, Liu L, Tang H, Bao W, Guan Y, Shen X. Sorting nexin 10 acts as a tumor suppressor in tumorigenesis and progression of colorectal cancer through regulating chaperone mediated autophagy degradation of p21 Cip1/WAF1. Cancer Lett 2019; 419:116-127. [PMID: 29355659 DOI: 10.1016/j.canlet.2018.01.045] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2017] [Revised: 12/05/2017] [Accepted: 01/14/2018] [Indexed: 12/12/2022]
Abstract
Chaperone-mediated autophagy (CMA) characterized by the selective degradation of target proteins has been linked with tumorigenesis in recent years. Here, we explored the function of sorting nexin 10 (SNX10), a protein involved in maintaining endosome/lysosome homeostasis, in mediating CMA activity and its impact on the progression of mouse inflammation-driven colorectal cancer. Our results revealed that SNX10 deficiency increased the activation of CMA by preventing the degradation of lysosomal LAMP-2A. In SNX10 KO cells, we disclosed that p21Cip1/WAF1, a master effector in various tumor suppressor pathways, is a substrate of CMA, and decrease of p21Cip1/WAF1 caused by SNX10-mediated CMA activation contributes to HCT116 cell proliferation and survival. Moreover, we found that SNX10 KO promoted tumorigenesis in the mouse colorectum which could be restored by SNX10 over-expression. Furthermore, SNX10 was remarkably down-regulated in human CRC tissues which showed the increased activity of CMA and decreased expression of p21Cip1/WAF1. These findings suggest that SNX10 acts as a tumor suppressor in the mouse colorectum and drives inflammation-associated colorectal cancer by a chaperone-mediated autophagy mechanism.
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Affiliation(s)
- Sulin Zhang
- Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai, China
| | - Bin Hu
- Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai, China
| | - Yan You
- Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai, China
| | - Zhiwen Yang
- Department of Pharmacy, Songjiang Hospital Affiliated Shanghai First People's Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Lixin Liu
- Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai, China
| | - Huanhuan Tang
- Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai, China
| | - Weilian Bao
- Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai, China
| | - Yunyun Guan
- Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai, China
| | - Xiaoyan Shen
- Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai, China.
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Li W, Dou J, Yang J, Xu H, She H. Targeting Chaperone-Mediated Autophagy for Disease Therapy. CURRENT PHARMACOLOGY REPORTS 2018; 4:261-275. [PMID: 34540559 PMCID: PMC8445509 DOI: 10.1007/s40495-018-0138-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
PURPOSE OF THE REVIEW To reason that targeting chaperone-mediated autophagy (CMA) represents a promising approach for disease therapy, we will summarize advances in researches on the relationship between CMA and diseases and discuss relevant strategies for disease therapy by targeting the CMA process. RECENT FINDINGS CMA is a unique kind of selective autophagy in lysosomes. Under physiological conditions, CMA participates in the maintenance of cellular homeostasis by protein quality control, bioenergetics, and timely regulated specific substrate-associated cellular processes. Under pathological conditions, CMA interplays with various disease conditions. CMA makes adaptive machinery to address stress, while disease-associated proteins alter CMA which is involved in pathogeneses of diseases. As more proteins are identified as CMA substrates and regulators, dysregulation of CMA has been implicated in an increasing number of diseases, while rectifying CMA alteration may be a benefit for these diseases. SUMMARY Alterations of CMA in diseases mainly including neurodegenerative diseases and many cancers raise the possibility of targeting CMA to recover cellular homeostasis as one potential strategy for therapy of relevant diseases.
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Affiliation(s)
- Wenming Li
- Department of Pharmacology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Juan Dou
- Department of Radiation Oncology, Emory University School of Medicine, Winship Cancer Institute of Emory University, Atlanta, GA 30322, USA
| | - Jing Yang
- Department of Pharmacology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Haidong Xu
- Department of Pharmacology, Emory University School of Medicine, Atlanta, GA 30322, USA
- Department of Pharmacology and Laboratory of Aging and Nervous Diseases, Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases, College of Pharmaceutical Science, Soochow University, Suzhou 215123, China
| | - Hua She
- Department of Pharmacology, Emory University School of Medicine, Atlanta, GA 30322, USA
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Liu B, Wang T, Wang H, Zhang L, Xu F, Fang R, Li L, Cai X, Wu Y, Zhang W, Ye L. Oncoprotein HBXIP enhances HOXB13 acetylation and co-activates HOXB13 to confer tamoxifen resistance in breast cancer. J Hematol Oncol 2018; 11:26. [PMID: 29471853 PMCID: PMC5824486 DOI: 10.1186/s13045-018-0577-5] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2017] [Accepted: 02/15/2018] [Indexed: 02/07/2023] Open
Abstract
Background Resistance to tamoxifen (TAM) frequently occurs in the treatment of estrogen receptor positive (ER+) breast cancer. Accumulating evidences indicate that transcription factor HOXB13 is of great significance in TAM resistance. However, the regulation of HOXB13 in TAM-resistant breast cancer remains largely unexplored. Here, we were interested in the potential effect of HBXIP, an oncoprotein involved in the acceleration of cancer progression, on the modulation of HOXB13 in TAM resistance of breast cancer. Methods The Kaplan-Meier plotter cancer database and GEO dataset were used to analyze the association between HBXIP expression and relapse-free survival. The correlation of HBXIP and HOXB13 in ER+ breast cancer was assessed by human tissue microarray. Immunoblotting analysis, qRT-PCR assay, immunofluorescence staining, Co-IP assay, ChIP assay, luciferase reporter gene assay, cell viability assay, and colony formation assay were performed to explore the possible molecular mechanism by which HBXIP modulates HOXB13. Cell viability assay, xenograft assay, and immunohistochemistry staining analysis were utilized to evaluate the effect of the HBXIP/HOXB13 axis on the facilitation of TAM resistance in vitro and in vivo. Results The analysis of the Kaplan-Meier plotter and the GEO dataset showed that mono-TAM-treated breast cancer patients with higher HBXIP expression levels had shorter relapse-free survivals than patients with lower HBXIP expression levels. Overexpression of HBXIP induced TAM resistance in ER+ breast cancer cells. The tissue microarray analysis revealed a positive association between the expression levels of HBXIP and HOXB13 in ER+ breast cancer patients. HBXIP elevated HOXB13 protein level in breast cancer cells. Mechanistically, HBXIP prevented chaperone-mediated autophagy (CMA)-dependent degradation of HOXB13 via enhancement of HOXB13 acetylation at the lysine 277 residue, causing the accumulation of HOXB13. Moreover, HBXIP was able to act as a co-activator of HOXB13 to stimulate interleukin (IL)-6 transcription in the promotion of TAM resistance. Interestingly, aspirin (ASA) suppressed the HBXIP/HOXB13 axis by decreasing HBXIP expression, overcoming TAM resistance in vitro and in vivo. Conclusions Our study highlights that HBXIP enhances HOXB13 acetylation to prevent HOXB13 degradation and co-activates HOXB13 in the promotion of TAM resistance of breast cancer. Therapeutically, ASA can serve as a potential candidate for reversing TAM resistance by inhibiting HBXIP expression. Electronic supplementary material The online version of this article (10.1186/s13045-018-0577-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Bowen Liu
- State Key Laboratory of Medicinal Chemical Biology, Department of Biochemistry, College of Life Sciences, Nankai University, Tianjin, 300071, People's Republic of China
| | - Tianjiao Wang
- State Key Laboratory of Medicinal Chemical Biology, Department of Biochemistry, College of Life Sciences, Nankai University, Tianjin, 300071, People's Republic of China
| | - Huawei Wang
- State Key Laboratory of Medicinal Chemical Biology, Department of Biochemistry, College of Life Sciences, Nankai University, Tianjin, 300071, People's Republic of China
| | - Lu Zhang
- State Key Laboratory of Medicinal Chemical Biology, Department of Biochemistry, College of Life Sciences, Nankai University, Tianjin, 300071, People's Republic of China
| | - Feifei Xu
- State Key Laboratory of Medicinal Chemical Biology, Department of Biochemistry, College of Life Sciences, Nankai University, Tianjin, 300071, People's Republic of China
| | - Runping Fang
- State Key Laboratory of Medicinal Chemical Biology, Department of Biochemistry, College of Life Sciences, Nankai University, Tianjin, 300071, People's Republic of China
| | - Leilei Li
- State Key Laboratory of Medicinal Chemical Biology, Department of Biochemistry, College of Life Sciences, Nankai University, Tianjin, 300071, People's Republic of China
| | - Xiaoli Cai
- State Key Laboratory of Medicinal Chemical Biology, Department of Biochemistry, College of Life Sciences, Nankai University, Tianjin, 300071, People's Republic of China
| | - Yue Wu
- State Key Laboratory of Medicinal Chemical Biology, Department of Biochemistry, College of Life Sciences, Nankai University, Tianjin, 300071, People's Republic of China
| | - Weiying Zhang
- State Key Laboratory of Medicinal Chemical Biology, Department of Biochemistry, College of Life Sciences, Nankai University, Tianjin, 300071, People's Republic of China.
| | - Lihong Ye
- State Key Laboratory of Medicinal Chemical Biology, Department of Biochemistry, College of Life Sciences, Nankai University, Tianjin, 300071, People's Republic of China.
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Moosavi MA, Haghi A, Rahmati M, Taniguchi H, Mocan A, Echeverría J, Gupta VK, Tzvetkov NT, Atanasov AG. Phytochemicals as potent modulators of autophagy for cancer therapy. Cancer Lett 2018; 424:46-69. [PMID: 29474859 DOI: 10.1016/j.canlet.2018.02.030] [Citation(s) in RCA: 71] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2017] [Revised: 02/18/2018] [Accepted: 02/19/2018] [Indexed: 02/07/2023]
Abstract
The dysregulation of autophagy is involved in the pathogenesis of a broad range of diseases, and accordingly universal research efforts have focused on exploring novel compounds with autophagy-modulating properties. While a number of synthetic autophagy modulators have been identified as promising cancer therapy candidates, autophagy-modulating phytochemicals have also attracted attention as potential treatments with minimal side effects. In this review, we firstly highlight the importance of autophagy and its relevance in the pathogenesis and treatment of cancer. Subsequently, we present the data on common phytochemicals and their mechanism of action as autophagy modulators. Finally, we discuss the challenges associated with harnessing the autophagic potential of phytochemicals for cancer therapy.
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Affiliation(s)
- Mohammad Amin Moosavi
- Department of Molecular Medicine, National Institute of Genetic Engineering and Biotechnology, P.O Box:14965/161, Tehran, Iran.
| | - Atousa Haghi
- Young Researchers & Elite Club, Pharmaceutical Sciences Branch, Islamic Azad University, Tehran, Iran
| | - Marveh Rahmati
- Cancer Biology Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Hiroaki Taniguchi
- Institute of Genetics and Animal Breeding of the Polish Academy of Sciences, 05-552 Jastrzebiec, Poland
| | - Andrei Mocan
- Department of Pharmaceutical Botany, "Iuliu Haţieganu" University of Medicine and Pharmacy, Gheorghe Marinescu 23 Street, 400337 Cluj-Napoca, Romania
| | - Javier Echeverría
- Facultad de Química y Biología, Universidad de Santiago de Chile, Casilla 40, Correo 33, Santiago 9170022, Chile
| | - Vijai K Gupta
- Department of Chemistry and Biotechnology, ERA Chair of Green Chemistry, Tallinn University of Technology, 12618 Tallinn, Estonia
| | - Nikolay T Tzvetkov
- Pharmaceutical Institute, University of Bonn, An der Immenburg 4, 53121 Bonn, Germany; NTZ Lab Ltd., Krasno Selo 198, Sofia 1618, Bulgaria
| | - Atanas G Atanasov
- Institute of Genetics and Animal Breeding of the Polish Academy of Sciences, 05-552 Jastrzebiec, Poland; Department of Pharmacognosy, University of Vienna, Althanstrasse 14, 1090 Vienna, Austria.
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Xiang Y, Zhao J, Zhao M, Wang K. Allicin activates autophagic cell death to alleviate the malignant development of thyroid cancer. Exp Ther Med 2018; 15:3537-3543. [PMID: 29545880 DOI: 10.3892/etm.2018.5828] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Accepted: 09/13/2017] [Indexed: 12/24/2022] Open
Abstract
Allicin has been reported to inhibit cancer cell proliferation, induce cell apoptosis and enhance the accumulation of reactive oxygen species. However, it has remained elusive whether allicin improves multidrug resistance in thyroid cancer cells through modulating autophagy. The present study demonstrated that combined use of allicin and cisplatin or carboplatin resulted in an enhanced growth inhibitory effect on SW1736 and HTh-7 cells. Furthermore, treatment with allicin significantly increased SW1736 and HTh-7 cell autophagy. Of note, allicin-induced cell death was largely abolished by 3-methyladenine or chloroquine treatment, suggesting that allicin-induced A549 cell death was dependent on autophagy. Western blot analysis demonstrated that allicin treatment inhibited the activation of Akt, mammalian target of rapamycin and S6. Furthermore, it was demonstrated that combined use of allicin and rapamycin induced more cell death compared with that induced by allicin or rapamycin alone. In conclusion, allicin may serve as an adjunctive therapy for thyroid cancer, as it induces autophagy-dependent cell death even when cancer cells have developed apoptosis resistance.
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Affiliation(s)
- Yangfeng Xiang
- Department of Head and Neck Surgery, Zhejiang Cancer Hospital, Hangzhou, Zhejiang 310022, P.R. China
| | - Jianqiang Zhao
- Department of Head and Neck Surgery, Zhejiang Cancer Hospital, Hangzhou, Zhejiang 310022, P.R. China
| | - Ming Zhao
- Department of Head and Neck Surgery, Zhejiang Cancer Hospital, Hangzhou, Zhejiang 310022, P.R. China
| | - Kejing Wang
- Department of Head and Neck Surgery, Zhejiang Cancer Hospital, Hangzhou, Zhejiang 310022, P.R. China
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Gambogic acid improves non-small cell lung cancer progression by inhibition of mTOR signaling pathway. Kaohsiung J Med Sci 2017; 33:543-549. [PMID: 29050671 DOI: 10.1016/j.kjms.2017.06.013] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Revised: 04/24/2017] [Accepted: 06/14/2017] [Indexed: 01/24/2023] Open
Abstract
Gambogic acid (GA) has been shown to inhibit cancer cell proliferation, induce apoptosis, and enhance reactive oxygen species accumulation. However, whether GA could improve multidrug resistance through modulating autophagy has never been explored. We demonstrated that the combination of GA and cisplatin (CDDP) resulted in a stronger growth inhibition effect on A549 and NCI-H460 cells using the MTT assay. Furthermore, treatment with GA significantly increased autophagy in these cells. More importantly, GA-induced cell death could be largely abolished by 3-methyladenine (3-MA) or chloroquine (CQ) treatment, suggesting that GA-induced cell death was dependent on autophagy. Western blot analysis showed that GA treatment suppressed the activation of Akt, mTOR, and S6. In addition, using a GA and rapamycin combination induced more cell death compared to either GA or rapamycin alone. In summary, GA may have utility as an adjunct therapy for non-small cell lung cancer (NSCLC) patients through autophagy-dependent cell death, even when cancer cells have developed resistance to apoptosis.
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Tang Y, Wang XW, Liu ZH, Sun YM, Tang YX, Zhou DH. Chaperone-mediated autophagy substrate proteins in cancer. Oncotarget 2017; 8:51970-51985. [PMID: 28881704 PMCID: PMC5584305 DOI: 10.18632/oncotarget.17583] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Accepted: 04/07/2017] [Indexed: 01/10/2023] Open
Abstract
All intracellular proteins undergo continuous synthesis and degradation. Chaperone-mediated autophagy (CMA) is necessary to maintain cellular homeostasis through turnover of cytosolic proteins (substrate proteins). This degradation involves a series of substrate proteins including both cancer promoters and suppressors. Since activating or inhibiting CMA pathway to treat cancer is still debated, targeting to the CMA substrate proteins provides a novel direction. We summarize the cancer-associated substrate proteins which are degraded by CMA. Consequently, CMA substrate proteins catalyze the glycolysis which contributes to the Warburg effect in cancer cells. The fact that the degradation of substrate proteins based on the CMA can be altered by posttranslational modifications such as phosphorylation or acetylation. In conclusion, targeting to CMA substrate proteins develops into a new anticancer therapeutic approach.
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Affiliation(s)
- Ying Tang
- Department of Oncology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
| | - Xiong-Wen Wang
- Department of Oncology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
| | - Zhan-Hua Liu
- Department of Oncology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
| | - Yun-Ming Sun
- Department of Gynecology and Obstetrics, Maternal and Child Health Hospital of Zhoushan, Zhoushan 316000, China
| | - Yu-Xin Tang
- Department of Gynecology and Obstetrics, Maternal and Child Health Hospital of Zhoushan, Zhoushan 316000, China
| | - Dai-Han Zhou
- Department of Oncology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
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Wang B, Abraham N, Gao G, Yang Q. Dysregulation of autophagy and mitochondrial function in Parkinson's disease. Transl Neurodegener 2016; 5:19. [PMID: 27822367 PMCID: PMC5087125 DOI: 10.1186/s40035-016-0065-1] [Citation(s) in RCA: 68] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Accepted: 10/17/2016] [Indexed: 01/14/2023] Open
Abstract
Parkinson’s disease (PD) is the second most common neurodegenerative disease. Increasing evidence supports that dysregulation of autophagy and mitochondrial function are closely related with PD pathogenesis. In this review, we briefly summarized autophagy pathway, which consists of macroautophagy, microautophagy and chaperone-mediated autophagy (CMA). Then, we discussed the involvement of mitochondrial dysfunction in PD pathogenesis. We specifically reviewed the recent developments in the relationship among several PD related genes, autophagy and mitochondrial dysfunction, followed by the therapeutic implications of these pathways. In conclusion, we propose that autophagy activity and mitochondrial homeostasis are of high importance in the pathogenesis of PD. Better understanding of these pathways can shed light on the novel therapeutic methods for PD prevention and amelioration.
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Affiliation(s)
- Bao Wang
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, No. 569 Xinsi Road, Baqiao District, Xi'an, 710038 Shaanxi Province China ; Department of Neurology, Beth Isreal Deaconess Medical Center, Harvard Medical School, 330 Brookline Ave, Boston, 02215 MA USA
| | - Neeta Abraham
- Department of Neurology, Beth Isreal Deaconess Medical Center, Harvard Medical School, 330 Brookline Ave, Boston, 02215 MA USA
| | - Guodong Gao
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, No. 569 Xinsi Road, Baqiao District, Xi'an, 710038 Shaanxi Province China
| | - Qian Yang
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, No. 569 Xinsi Road, Baqiao District, Xi'an, 710038 Shaanxi Province China
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Wang DW, Peng ZJ, Ren GF, Wang GX. The different roles of selective autophagic protein degradation in mammalian cells. Oncotarget 2016; 6:37098-116. [PMID: 26415220 PMCID: PMC4741918 DOI: 10.18632/oncotarget.5776] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2015] [Accepted: 08/31/2015] [Indexed: 01/01/2023] Open
Abstract
Autophagy is an intracellular pathway for bulk protein degradation and the removal of damaged organelles by lysosomes. Autophagy was previously thought to be unselective; however, studies have increasingly confirmed that autophagy-mediated protein degradation is highly regulated. Abnormal autophagic protein degradation has been associated with multiple human diseases such as cancer, neurological disability and cardiovascular disease; therefore, further elucidation of protein degradation by autophagy may be beneficial for protein-based clinical therapies. Macroautophagy and chaperone-mediated autophagy (CMA) can both participate in selective protein degradation in mammalian cells, but the process is quite different in each case. Here, we summarize the various types of macroautophagy and CMA involved in determining protein degradation. For this summary, we divide the autophagic protein degradation pathways into four categories: the post-translational modification dependent and independent CMA pathways and the ubiquitin dependent and independent macroautophagy pathways, and describe how some non-canonical pathways and modifications such as phosphorylation, acetylation and arginylation can influence protein degradation by the autophagy lysosome system (ALS). Finally, we comment on why autophagy can serve as either diagnostics or therapeutic targets in different human diseases.
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Affiliation(s)
- Da-wei Wang
- Department of Biochemistry and Molecular Biology, School of Medicine, Shandong University, Jinan, Shandong, China
| | - Zhen-ju Peng
- Medical Institute of Paediatrics, Qilu Children's Hospital of Shandong University, Jinan, Shandong, China
| | - Guang-fang Ren
- Medical Institute of Paediatrics, Qilu Children's Hospital of Shandong University, Jinan, Shandong, China
| | - Guang-xin Wang
- Medical Institute of Paediatrics, Qilu Children's Hospital of Shandong University, Jinan, Shandong, China
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37
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Autophagy regulates resistance of non-small cell lung cancer cells to paclitaxel. Tumour Biol 2016; 37:10539-44. [PMID: 26852748 DOI: 10.1007/s13277-016-4929-x] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2015] [Accepted: 01/28/2016] [Indexed: 10/22/2022] Open
Abstract
Paclitaxel is a chemotherapeutic drug that is effective for treating non-small cell lung cancer (NSCLC). However, some NSCLCs are not sensitive to paclitaxel treatment with undetermined underlying molecular mechanisms. In this study, we found that paclitaxel dose-dependently activated Beclin-1 in 2 NSCLC cell lines, A549 and Calu-3. Inhibition of autophagy significantly increased the paclitaxel-induced NSCLC cell death in a cell counting kit-8 (CCK-8) assay. Moreover, microRNA (miR)-216b levels were significantly downregulated in paclitaxel-treated NSCLC cells. Bioinformatics study showed that miR-216b targeted the 3'-UTR of Beclin-1 mRNA to inhibit its translation, which was confirmed by luciferase reporter assay. Together, these data suggest that paclitaxel may decrease miR-216b levels in NSCLC cells, which subsequently upregulates Beclin-1 to increase NSCLC cell autophagy to antagonize paclitaxel-induced cell death. Strategies that increase miR-216b levels or inhibit cell autophagy may improve the outcome of paclitaxel treatment in NSCLC therapy.
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38
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Hasima N, Ozpolat B. Regulation of autophagy by polyphenolic compounds as a potential therapeutic strategy for cancer. Cell Death Dis 2014; 5:e1509. [PMID: 25375374 PMCID: PMC4260725 DOI: 10.1038/cddis.2014.467] [Citation(s) in RCA: 206] [Impact Index Per Article: 20.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2014] [Revised: 09/01/2014] [Accepted: 09/02/2014] [Indexed: 12/26/2022]
Abstract
Autophagy, a lysosomal degradation pathway for cellular constituents and organelles, is an adaptive and essential process required for cellular homeostasis. Although autophagy functions as a survival mechanism in response to cellular stressors such as nutrient or growth factor deprivation, it can also lead to a non-apoptotic form of programmed cell death (PCD) called autophagy-induced cell death or autophagy-associated cell death (type II PCD). Current evidence suggests that cell death through autophagy can be induced as an alternative to apoptosis (type I PCD), with therapeutic purpose in cancer cells that are resistant to apoptosis. Thus, modulating autophagy is of great interest in cancer research and therapy. Natural polyphenolic compounds that are present in our diet, such as rottlerin, genistein, quercetin, curcumin, and resveratrol, can trigger type II PCD via various mechanisms through the canonical (Beclin-1 dependent) and non-canonical (Beclin-1 independent) routes of autophagy. The capacity of these compounds to provide a means of cancer cell death that enhances the effects of standard therapies should be taken into consideration for designing novel therapeutic strategies. This review focuses on the autophagy- and cell death-inducing effects of these polyphenolic compounds in cancer.
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Affiliation(s)
- N Hasima
- 1] Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard, Unit 422, Houston, TX 77030, USA [2] Institute Science Biology, Faculty of Science, University of Malaya, Kuala Lumpur 50603, Malaysia [3] Center for Research in Biotechnology for Agriculture, University of Malaya, Kuala Lumpur 50603, Malaysia
| | - B Ozpolat
- 1] Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard, Unit 422, Houston, TX 77030, USA [2] Center for RNA Interference and Non-Coding RNAs - Red and Charline McCombs Institute for the Early Detection and Treatment of Cancer, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard, Unit 422, Houston, TX, USA
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Gros F, Muller S. Pharmacological regulators of autophagy and their link with modulators of lupus disease. Br J Pharmacol 2014; 171:4337-59. [PMID: 24902607 DOI: 10.1111/bph.12792] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2014] [Revised: 04/23/2014] [Accepted: 05/13/2014] [Indexed: 02/06/2023] Open
Abstract
Autophagy is a central regulator of cell survival. It displays both anti- and pro-death roles that are decisive in the maintenance of cell homeostasis. Initially described in several eukaryotic cellular models as being induced under nutrient stress favouring survival by energy supply, autophagy was found later to display other decisive physiological roles, especially in the immune system. Thus, it is involved in antigen presentation and lymphocyte differentiation as well as in the balance regulating survival/death and activation of lymphocytes. Autophagy therefore appears to be central in the regulation of inflammation. The observation that autophagy is deregulated in systemic lupus erythematosus is recent. This discovery revives the programme dealing with the design and development of pharmacological autophagy regulators in the therapeutic context of lupus, a debilitating autoimmune disease that affects several million people in the world. A large number of molecules that positively and negatively regulate autophagy have been described, most of them with therapeutic indications in cancer and infection. Only a few, however, are effectively potent activators or inhibitors endowed with experimentally demonstrated selective properties. In this review article, we highlight the most relevant ones and summarize what we know regarding their mechanism of action. We emphasize the link between pharmacological regulators of autophagy and inducers or inhibitors of lupus disease and discuss the fundamental and pharmacological/therapeutic interest of this functional interplay.
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Affiliation(s)
- Frédéric Gros
- CNRS, Immunopathology and Therapeutic Chemistry/Laboratory of Excellence MEDALIS, Institut de Biologie Moléculaire et Cellulaire, Strasbourg, France; University of Strasbourg, Strasbourg, France
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Abstract
This review focuses on chaperone-mediated autophagy (CMA), one of the proteolytic systems that contributes to degradation of intracellular proteins in lysosomes. CMA substrate proteins are selectively targeted to lysosomes and translocated into the lysosomal lumen through the coordinated action of chaperones located at both sides of the membrane and a dedicated protein translocation complex. The selectivity of CMA permits timed degradation of specific proteins with regulatory purposes supporting a modulatory role for CMA in enzymatic metabolic processes and subsets of the cellular transcriptional program. In addition, CMA contributes to cellular quality control through the removal of damaged or malfunctioning proteins. Here, we describe recent advances in the understanding of the molecular dynamics, regulation and physiology of CMA, and discuss the evidence in support of the contribution of CMA dysfunction to severe human disorders such as neurodegeneration and cancer.
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Nin DS, Ali AB, Okumura K, Asou N, Chen CS, Chng WJ, Khan M. Akt-induced phosphorylation of N-CoR at serine 1450 contributes to its misfolded conformational dependent loss (MCDL) in acute myeloid leukemia of the M5 subtype. PLoS One 2013; 8:e70891. [PMID: 23940660 PMCID: PMC3733915 DOI: 10.1371/journal.pone.0070891] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2013] [Accepted: 06/25/2013] [Indexed: 11/18/2022] Open
Abstract
The nuclear receptor co-repressor (N-CoR) is a key component of the generic co-repressor complex that plays an important role in the control of cellular growth and differentiation. As shown by us recently, the growth suppressive function of N-CoR largely relies on its capacity to repress Flt3, a key regulator of cellular gorwth during normal and malignant hematopoesis. We further demonstrated how de-repression of Flt3 due to the misfolded conformation dependent loss (MCDL) of N-CoR contributed to malignant growth in acute myeloid leukemia (AML). However, the molecular mechanism underlying the MCDL of N-CoR and its implication in AML pathogenesis is not fully understood. Here, we report that Akt-induced phosphorylation of N-CoR at the consensus Akt motif is crucial for its misfolding and subsequent loss in AML (AML-M5). N-CoR displayed significantly higher level of serine specific phosphorylation in almost all AML-M5 derived cells and was subjected to processing by AML-M5 specific aberrant protease activity. To identify the kinase linked to N-CoR phosphorylation, a library of activated kinases was screened with the extracts of AML cells; leading to the identification of Akt as the putative kinase linked to N-CoR phosphorylation. Consistent with this finding, a constitutively active Akt consistently phosphorylated N-CoR leading to its misfolding; while the therapeutic and genetic ablation of Akt largely abrogated the MCDL of N-CoR in AML-M5 cells. Site directed mutagenic analysis of N-CoR identified serine 1450 as the crucial residue whose phosphorylation by Akt was essential for the misfolding and loss of N-CoR protein. Moreover, Akt-induced phosphorylation of N-CoR contributed to the de-repression of Flt3, suggesting a cross talk between Akt signaling and N-CoR misfolding pathway in the pathogenesis of AML-M5. The N-CoR misfolding pathway could be the common downstream thread of pleiotropic Akt signaling activated by various oncogenic insults in some subtypes of leukemia and solid tumors.
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Affiliation(s)
- Dawn Sijin Nin
- Cancer Science Institute of Singapore, Yong Loo Lin School
of Medicine, National University of Singapore, Singapore
- Department of Medicine, Yong Loo Lin School of Medicine,
National University of Singapore, Singapore
- Department of Biochemistry, Yong Loo Lin School of
Medicine, National University of Singapore, Singapore
| | - Azhar Bin Ali
- Cancer Science Institute of Singapore, Yong Loo Lin School
of Medicine, National University of Singapore, Singapore
| | - Koichi Okumura
- Cancer Science Institute of Singapore, Yong Loo Lin School
of Medicine, National University of Singapore, Singapore
| | - Norio Asou
- Department of Haematology, Kumamoto University, Kumamoto, Japan
| | - Chien-Shing Chen
- Division of Hematologyand Oncology, School of Medicine, Loma Linda University, Loma Linda, California, United States of America
| | - Wee Joo Chng
- Cancer Science Institute of Singapore, Yong Loo Lin School
of Medicine, National University of Singapore, Singapore
- Department of Medicine, Yong Loo Lin School of Medicine,
National University of Singapore, Singapore
- Department of Haematology-Oncology, National Cancer
Institute of Singapore, National University Health System,
Singapore
| | - Matiullah Khan
- Cancer Science Institute of Singapore, Yong Loo Lin School
of Medicine, National University of Singapore, Singapore
- Department of Medicine, Yong Loo Lin School of Medicine,
National University of Singapore, Singapore
- School of Medicine, Asian Institute of Medicine, Science and Technology (AIMST), Bedong, Malaysia
- * E-mail: ,
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Ciccia F, Accardo-Palumbo A, Rizzo A, Guggino G, Raimondo S, Giardina A, Cannizzaro A, Colbert RA, Alessandro R, Triolo G. Evidence that autophagy, but not the unfolded protein response, regulates the expression of IL-23 in the gut of patients with ankylosing spondylitis and subclinical gut inflammation. Ann Rheum Dis 2013; 73:1566-74. [PMID: 23740229 DOI: 10.1136/annrheumdis-2012-202925] [Citation(s) in RCA: 126] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
OBJECTIVES Interleukin (IL)-23 has been implicated in the pathogenesis of ankylosing spondylitis (AS). The aim of the study was to clarify the mechanisms underlying the increased IL-23 expression in the gut of AS patients. METHODS Consecutive gut biopsies from 30 HLA-B27(+) AS patients, 15 Crohn's disease (CD) patients and 10 normal subjects were obtained. Evidence for HLA-B27 misfolding was studied. Unfolded protein response (UPR) and autophagy were assessed by RT-PCR and immunohistochemistry. The contribution of UPR and autophagy in the regulation of IL-23 expression was evaluated in in vitro experiments on isolated lamina propria mononuclear cells (LPMCs). RESULTS Intracellular colocalisation of SYVN1 and FHCs but not a significant overexpression of UPR genes was observed in the gut of AS patients. Conversely, upregulation of the genes involved in the autophagy pathway was observed in the gut of AS and CD patients. Immunohistochemistry showed an increased expression of LC3II, ATG5 and ATG12 but not of SQSTM1 in the ileum of AS and CD patients. LC3II was expressed among infiltrating mononuclear cells and epithelial cells resembling Paneth cells (PC) and colocalised with ATG5 in AS and CD. Autophagy but not UPR was required to modulate the expression of IL-23 in isolated LPMCs of AS patients with chronic gut inflammation, CD patients and controls. CONCLUSIONS Our data suggest that HLA-B27 misfolding occurs in the gut of AS patients and is accompanied by activation of autophagy rather than a UPR. Autophagy appears to be associated with intestinal modulation of IL-23 in AS.
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Affiliation(s)
- Francesco Ciccia
- Dipartimento Biomedico di Medicina Interna e Specialistica, Sezione di Reumatologia, Università di Palermo, Palermo, Italy
| | | | - Aroldo Rizzo
- Anatomia Patologica, Ospedali Riuniti Villa Sofia-Cervello, Palermo, Italy
| | - Giuliana Guggino
- Dipartimento Biomedico di Medicina Interna e Specialistica, Sezione di Reumatologia, Università di Palermo, Palermo, Italy
| | - Stefania Raimondo
- Dipartimento di Biopatologia e Biotecnologie Mediche e Forensi, Università di Palermo, Palermo, Italy
| | - AnnaRita Giardina
- Dipartimento Biomedico di Medicina Interna e Specialistica, Sezione di Reumatologia, Università di Palermo, Palermo, Italy
| | | | - Robert A Colbert
- National Institute of Arthritis and Musculoskeletal and Skin Diseases, NIH, Bethesda, Maryland, USA
| | - Riccardo Alessandro
- Dipartimento di Biopatologia e Biotecnologie Mediche e Forensi, Università di Palermo, Palermo, Italy
| | - Giovanni Triolo
- Dipartimento Biomedico di Medicina Interna e Specialistica, Sezione di Reumatologia, Università di Palermo, Palermo, Italy
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Kaushik S, Cuervo AM. Chaperone-mediated autophagy: a unique way to enter the lysosome world. Trends Cell Biol 2012; 22:407-17. [PMID: 22748206 DOI: 10.1016/j.tcb.2012.05.006] [Citation(s) in RCA: 595] [Impact Index Per Article: 49.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2012] [Revised: 05/27/2012] [Accepted: 05/29/2012] [Indexed: 01/13/2023]
Abstract
All cellular proteins undergo continuous synthesis and degradation. This permanent renewal is necessary to maintain a functional proteome and to allow rapid changes in levels of specific proteins with regulatory purposes. Although for a long time lysosomes were considered unable to contribute to the selective degradation of individual proteins, the discovery of chaperone-mediated autophagy (CMA) changed this notion. Here, we review the characteristics that set CMA apart from other types of lysosomal degradation and the subset of molecules that confer cells the capability to identify individual cytosolic proteins and direct them across the lysosomal membrane for degradation.
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Affiliation(s)
- Susmita Kaushik
- Department of Developmental and Molecular Biology, Institute for Aging Studies, Marion Bessin Liver Research Center, Albert Einstein College of Medicine, 1300 Morris Park Avenue, Chanin Building 504, Bronx, NY 10461, USA
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