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Rahman MA, Ahmed KR, Rahman MDH, Parvez MAK, Lee IS, Kim B. Therapeutic Aspects and Molecular Targets of Autophagy to Control Pancreatic Cancer Management. Biomedicines 2022; 10:1459. [PMID: 35740481 PMCID: PMC9220066 DOI: 10.3390/biomedicines10061459] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 06/17/2022] [Accepted: 06/17/2022] [Indexed: 12/29/2022] Open
Abstract
Pancreatic cancer (PC) begins within the organ of the pancreas, which produces digestive enzymes, and is one of the formidable cancers for which appropriate treatment strategies are urgently needed. Autophagy occurs in the many chambers of PC tissue, including cancer cells, cancer-related fibroblasts, and immune cells, and can be fine-tuned by various promotive and suppressive signals. Consequently, the impacts of autophagy on pancreatic carcinogenesis and progression depend greatly on its stage and conditions. Autophagy inhibits the progress of preneoplastic damage during the initial phase. However, autophagy encourages tumor formation during the development phase. Several studies have reported that both a tumor-promoting and a tumor-suppressing function of autophagy in cancer that is likely cell-type dependent. However, autophagy is dispensable for pancreatic ductal adenocarcinoma (PDAC) growth, and clinical trials with autophagy inhibitors, either alone or in combination with other therapies, have had limited success. Autophagy's dual mode of action makes it therapeutically challenging despite autophagy inhibitors providing increased longevity in medical studies, highlighting the need for a more rigorous review of current findings and more precise targeting strategies. Indeed, the role of autophagy in PC is complicated, and numerous factors must be considered when transitioning from bench to bedside. In this review, we summarize the evidence for the tumorigenic and protective role of autophagy in PC tumorigenesis and describe recent advances in the understanding of how autophagy may be regulated and controlled in PDAC.
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Affiliation(s)
- Md. Ataur Rahman
- Department of Pathology, College of Korean Medicine, Kyung Hee University, Hoegidong Dongdaemungu, Seoul 02447, Korea; (K.R.A.); (M.H.R.)
- Korean Medicine-Based Drug Repositioning Cancer Research Center, College of Korean Medicine, Kyung Hee University, Seoul 02447, Korea
- Global Biotechnology & Biomedical Research Network (GBBRN), Department of Biotechnology and Genetic Engineering, Faculty of Biological Sciences, Islamic University, Kushtia 7003, Bangladesh
| | - Kazi Rejvee Ahmed
- Department of Pathology, College of Korean Medicine, Kyung Hee University, Hoegidong Dongdaemungu, Seoul 02447, Korea; (K.R.A.); (M.H.R.)
| | - MD. Hasanur Rahman
- Department of Pathology, College of Korean Medicine, Kyung Hee University, Hoegidong Dongdaemungu, Seoul 02447, Korea; (K.R.A.); (M.H.R.)
| | | | - In-Seon Lee
- Acupuncture & Meridian Science Research Center, Kyung Hee University, Seoul 02447, Korea;
| | - Bonglee Kim
- Department of Pathology, College of Korean Medicine, Kyung Hee University, Hoegidong Dongdaemungu, Seoul 02447, Korea; (K.R.A.); (M.H.R.)
- Korean Medicine-Based Drug Repositioning Cancer Research Center, College of Korean Medicine, Kyung Hee University, Seoul 02447, Korea
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Juillerat-Jeanneret L, Tafelmeyer P, Golshayan D. Regulation of Fibroblast Activation Protein-α Expression: Focus on Intracellular Protein Interactions. J Med Chem 2021; 64:14028-14045. [PMID: 34523930 DOI: 10.1021/acs.jmedchem.1c01010] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The prolyl-specific peptidase fibroblast activation protein-α (FAP-α) is expressed at very low or undetectable levels in nondiseased human tissues but is selectively induced in activated (myo)fibroblasts at sites of tissue remodeling in fibrogenic processes. In normal regenerative processes involving transient fibrosis FAP-α+(myo)fibroblasts disappear from injured tissues, replaced by cells with a normal FAP-α- phenotype. In chronic uncontrolled pathological fibrosis FAP-α+(myo)fibroblasts permanently replace normal tissues. The mechanisms of regulation and elimination of FAP-α expression in(myo)fibroblasts are unknown. According to a yeast two-hybrid screen and protein databanks search, we propose that the intracellular (co)-chaperone BAG6/BAT3 can interact with FAP-α, mediated by the BAG6/BAT3 Pro-rich domain, inducing proteosomal degradation of FAP-α protein under tissue homeostasis. In this Perspective, we discuss our findings in the context of current knowledge on the regulation of FAP-α expression and comment potential therapeutic strategies for uncontrolled fibrosis, including small molecule degraders (PROTACs)-modified FAP-α targeted inhibitors.
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Affiliation(s)
- Lucienne Juillerat-Jeanneret
- Transplantation Center and Transplantation Immunopathology Laboratory, Department of Medicine, Centre Hospitalier Universitaire Vaudois (CHUV) and University of Lausanne (UNIL), CH1011 Lausanne, Switzerland.,University Institute of Pathology, CHUV and UNIL, CH1011 Lausanne, Switzerland
| | - Petra Tafelmeyer
- Hybrigenics Services, Laboratories and Headquarters-Paris, 1 rue Pierre Fontaine, 91000 Evry, France.,Hybrigenics Corporation, Cambridge Innovation Center, 50 Milk Street, Cambridge, Massachusetts 02142, United States
| | - Dela Golshayan
- Transplantation Center and Transplantation Immunopathology Laboratory, Department of Medicine, Centre Hospitalier Universitaire Vaudois (CHUV) and University of Lausanne (UNIL), CH1011 Lausanne, Switzerland
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He S, Wang G, Pei Y, Zhu H. miR
‐34b‐3p protects against acute kidney injury in sepsis mice via targeting ubiquitin‐like protein 4A. Kaohsiung J Med Sci 2020; 36:817-824. [PMID: 32609950 DOI: 10.1002/kjm2.12255] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 05/25/2020] [Accepted: 06/02/2020] [Indexed: 01/20/2023] Open
Affiliation(s)
- Shu‐Yin He
- Department of Intensive Care Unit Jiangsu Province Hospital of Chinese Medicine Affiliated to Nanjing University of Chinese Medicine Nanjing City Jiangsu Province China
| | - Gang Wang
- Department of Nephrology Nanjing Boda Hospital of Nephrology Affiliated to Nanjing University of Chinese Medicine Nanjing City Jiangsu Province China
| | - Ying‐Hao Pei
- Department of Intensive Care Unit Jiangsu Province Hospital of Chinese Medicine Affiliated to Nanjing University of Chinese Medicine Nanjing City Jiangsu Province China
| | - Hai‐Ping Zhu
- Department of Intensive Care Unit The First Affiliated Hospital of Wenzhou Medical University Wenzhou City Zhejiang Province China
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Peng SJ, Yao RR, Yu SS, Chen HY, Pang X, Zhang Y, Zhang J. UBL4A Augments Innate Immunity by Promoting the K63-Linked Ubiquitination of TRAF6. THE JOURNAL OF IMMUNOLOGY 2019; 203:1943-1951. [PMID: 31451677 DOI: 10.4049/jimmunol.1800750] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Accepted: 07/24/2019] [Indexed: 12/25/2022]
Abstract
Human UBL4A/GdX, encoding an ubiquitin-like protein, was shown in this study to be upregulated by viral infection and IFN stimulation. Then the functions of UBL4A in antiviral immune response were characterized. Overexpression of UBL4A promoted RNA virus-induced ISRE or IFN-β or NF-κB activation, leading to enhanced type I IFN transcription and reduced virus replication. Consistently, knockdown of UBL4A resulted in reduced type I IFN transcription and enhanced virus replication. Additionally, overexpression of UBL4A promoted virus-induced phosphorylation of TBK1, IRF3, and IKKα/β. Knockdown of UBL4A inhibited virus-induced phosphorylation of TBK1, IRF3, and IKKα/β. Coimmunoprecipitation showed that UBL4A interacted with TRAF6, and this interaction was enhanced upon viral infection. Ubiquitination assays showed that UBL4A promoted the K63-linked ubiquitination of TRAF6. Therefore, we reveal a novel positive feedback regulation of UBL4A in innate immune response combating virus invasion by enhancing the K63-linked ubiquitination of TRAF6.
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Affiliation(s)
- Shu-Jie Peng
- Department of Immunology, School of Basic Medical Sciences, NHC Key Laboratory of Medical Immunology, Ministry of Health (Peking University), Peking University Health Science Center, Beijing 100191, China
| | - Ran-Ran Yao
- Department of Immunology, School of Basic Medical Sciences, NHC Key Laboratory of Medical Immunology, Ministry of Health (Peking University), Peking University Health Science Center, Beijing 100191, China
| | - Shuang-Shuang Yu
- Department of Immunology, School of Basic Medical Sciences, NHC Key Laboratory of Medical Immunology, Ministry of Health (Peking University), Peking University Health Science Center, Beijing 100191, China
| | - Hong-Yan Chen
- Department of Immunology, School of Basic Medical Sciences, NHC Key Laboratory of Medical Immunology, Ministry of Health (Peking University), Peking University Health Science Center, Beijing 100191, China
| | - Xuewen Pang
- Department of Immunology, School of Basic Medical Sciences, NHC Key Laboratory of Medical Immunology, Ministry of Health (Peking University), Peking University Health Science Center, Beijing 100191, China
| | - Yu Zhang
- Department of Immunology, School of Basic Medical Sciences, NHC Key Laboratory of Medical Immunology, Ministry of Health (Peking University), Peking University Health Science Center, Beijing 100191, China
| | - Jun Zhang
- Department of Immunology, School of Basic Medical Sciences, NHC Key Laboratory of Medical Immunology, Ministry of Health (Peking University), Peking University Health Science Center, Beijing 100191, China
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Chen H, Li L, Hu J, Zhao Z, Ji L, Cheng C, Zhang G, zhang T, Li Y, Chen H, Pan S, Sun B. UBL4A inhibits autophagy-mediated proliferation and metastasis of pancreatic ductal adenocarcinoma via targeting LAMP1. J Exp Clin Cancer Res 2019; 38:297. [PMID: 31288830 PMCID: PMC6617940 DOI: 10.1186/s13046-019-1278-9] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2019] [Accepted: 06/13/2019] [Indexed: 02/19/2023] Open
Abstract
BACKGROUND Ubiquitin-like protein 4A (UBL4A) plays a significant role in protein metabolism and the maintenance of cellular homeostasis. In cancer, UBL4A represses tumorigenesis and is involved in various signaling pathways. Pancreatic ductal adenocarcinoma (PDAC) is still a major cause of cancer-related death and the underlying molecular mechanism of UBL4A and PDAC remains unknown. METHODS First, the prognostic role of UBL4A and its expression in human PDAC patients and in pancreatic cancer cell lines were detected by survival analysis and qRT-PCR, western blotting, and immunohistochemistry. Next, the effects of UBL4A on proliferation and metastasis in pancreatic cancer were evaluated by functional assays in vitro and in vivo. In addition, chloroquine was introduced to determine the role of autophagy in UBL4A-related tumor proliferation and metastasis. Ultimately, coimmunoprecipitation was used to confirm the interaction between UBL4A and lysosome associated membrane protein-1 (LAMP1), and western blotting was performed to explore the UBL4A mechanism. RESULTS We found that UBL4A was decreased in PDAC and that high levels of UBL4A correlated with a favorable prognosis. We observed that UBL4A inhibited tumor proliferation and metastasis through suppression of autophagy, a critical intracellular catabolic process that reportedly protects cells from nutrient starvation and other stress conditions. UBL4A caused impaired autophagic degradation in vitro, a crucial process in autophagy, by disturbing the function of lysosomes and contributing to autophagosome accumulation. We found a positive correlation between UBL4A and LAMP1. Furthermore, UBL4A caused lysosomal dysfunction by directly interacting with LAMP1, and LAMP1 overexpression reversed the antitumor effects of UBL4A in pancreatic cancer. In addition, we demonstrated that UBL4A suppressed tumor growth and metastasis in a pancreatic orthotopic tumor model. CONCLUSIONS These findings suggest that UBL4A exerts an antitumor effect on autophagy-related proliferation and metastasis in PDAC by directly targeting LAMP1. Herein, we describe a novel mechanism of UBL4A that suppresses the progression of pancreatic cancer. UBL4A might be a promising target for the treatment and prognostication of PDAC.
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Affiliation(s)
- Hongze Chen
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, 23 Youzheng Street, Nangang District, Harbin, 150001 Heilongjiang Province China
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Harbin, Heilongjiang China
| | - Le Li
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, 23 Youzheng Street, Nangang District, Harbin, 150001 Heilongjiang Province China
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Harbin, Heilongjiang China
| | - Jisheng Hu
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, 23 Youzheng Street, Nangang District, Harbin, 150001 Heilongjiang Province China
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Harbin, Heilongjiang China
| | - Zhongjie Zhao
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, 23 Youzheng Street, Nangang District, Harbin, 150001 Heilongjiang Province China
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Harbin, Heilongjiang China
| | - Liang Ji
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Harbin, Heilongjiang China
- Department of Breast Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang China
| | - Chundong Cheng
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, 23 Youzheng Street, Nangang District, Harbin, 150001 Heilongjiang Province China
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Harbin, Heilongjiang China
| | - Guangquan Zhang
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, 23 Youzheng Street, Nangang District, Harbin, 150001 Heilongjiang Province China
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Harbin, Heilongjiang China
| | - Tao zhang
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, 23 Youzheng Street, Nangang District, Harbin, 150001 Heilongjiang Province China
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Harbin, Heilongjiang China
| | - Yilong Li
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, 23 Youzheng Street, Nangang District, Harbin, 150001 Heilongjiang Province China
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Harbin, Heilongjiang China
| | - Hua Chen
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, 23 Youzheng Street, Nangang District, Harbin, 150001 Heilongjiang Province China
| | - Shangha Pan
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, 23 Youzheng Street, Nangang District, Harbin, 150001 Heilongjiang Province China
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Harbin, Heilongjiang China
| | - Bei Sun
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, 23 Youzheng Street, Nangang District, Harbin, 150001 Heilongjiang Province China
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Benarroch R, Austin JM, Ahmed F, Isaacson RL. The roles of cytosolic quality control proteins, SGTA and the BAG6 complex, in disease. ADVANCES IN PROTEIN CHEMISTRY AND STRUCTURAL BIOLOGY 2019; 114:265-313. [PMID: 30635083 PMCID: PMC7102839 DOI: 10.1016/bs.apcsb.2018.11.002] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
SGTA is a co-chaperone that, in collaboration with the complex of BAG6/UBL4A/TRC35, facilitates the biogenesis and quality control of hydrophobic proteins, protecting them from the aqueous cytosolic environment. This work includes targeting tail-anchored proteins to their resident membranes, sorting of membrane and secretory proteins that mislocalize to the cytoplasm and endoplasmic reticulum-associated degradation of misfolded proteins. Since these functions are all vital for the cell's continued proteostasis, their disruption poses a threat to the cell, with a particular risk of protein aggregation, a phenomenon that underpins many diseases. Although the specific disease implications of machinery involved in quality control of hydrophobic substrates are poorly understood, here we summarize much of the available information on this topic.
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Affiliation(s)
- Rashi Benarroch
- Department of Chemistry, King's College London, London, United Kingdom
| | - Jennifer M Austin
- Department of Chemistry, King's College London, London, United Kingdom
| | - Fahmeda Ahmed
- Department of Chemistry, King's College London, London, United Kingdom
| | - Rivka L Isaacson
- Department of Chemistry, King's College London, London, United Kingdom.
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The C-terminus of Ubl4A is critical for pro-death activity and association with the Arp2/3 complex. Biochem Biophys Res Commun 2018; 503:3192-3197. [PMID: 30146258 DOI: 10.1016/j.bbrc.2018.08.123] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Accepted: 08/18/2018] [Indexed: 11/23/2022]
Abstract
Ubl4A is a small ubiquitin-like protein involved in diverse cellular functions. We have shown that Ubl4A is critical for survival of the starvation-mediated cell death in vivo. The underlying mechanism for this is through interaction with the actin-related protein Arp2/3 complex and promotion of actin branching. Interestingly, "put-back" of Ubl4A to Ubl4A-deficient cells also results in cell death. Removal of the Ubl4A N-terminus significantly enhances its cytotoxicity, indicating that the pro-death activity of Ubl4A is mainly from its C-terminal region. In vitro protein pull-down assays show that the C-terminal region of Ubl4A can directly interact with the Arp2/3 complex. The single point mutation of an aspartic acid to alanine (D122A) in the Ubl4A C-terminus abolishes its ability to bind the Arp2/3 complex. This mutation also destabilizes Ubl4A proteins susceptible to protease degradation. Importantly, ectopic expression of wild-type Ubl4A can induce cell death in colon cancer cells, but such pro-death activity is diminished in the D122A mutant. These data suggest that Ubl4A C-terminus, especially D122, is critical for Ubl4A-Arp2/3 interaction and its pro-death function.
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Liang J, Li J, Fu Y, Ren F, Xu J, Zhou M, Li P, Feng H, Wang Y. GdX/UBL4A null mice exhibit mild kyphosis and scoliosis accompanied by dysregulation of osteoblastogenesis and chondrogenesis. Cell Biochem Funct 2018; 36:129-136. [DOI: 10.1002/cbf.3324] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Accepted: 12/27/2017] [Indexed: 11/08/2022]
Affiliation(s)
- Jiao Liang
- State Key Laboratory of Membrane Biology, School of Medicine; Tsinghua University; Beijing China
| | - Jun Li
- State Key Laboratory of Membrane Biology, School of Medicine; Tsinghua University; Beijing China
| | - Yanxia Fu
- State Key Laboratory of Membrane Biology, School of Medicine; Tsinghua University; Beijing China
- Tsinghua University-Perking University Joint Center for Life Sciences; Beijing China
| | - Fangli Ren
- State Key Laboratory of Membrane Biology, School of Medicine; Tsinghua University; Beijing China
| | - Jiake Xu
- School of Biomedical Sciences; University of Western Australia; Perth Western Australia Australia
| | - Mengyu Zhou
- Department of Dentistry; The First Affiliated Hospital of Guangxi Medical University; Nanning China
| | - Peiyu Li
- The General Hospital of the People's Liberation Army; Beijing China
| | - Haotian Feng
- Research Centre for Regenerative Medicine; Guangxi Medical University; Nanning China
| | - Yinyin Wang
- State Key Laboratory of Membrane Biology, School of Medicine; Tsinghua University; Beijing China
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