101
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Sun J, Shi X, Mamun MAA, Gao Y. The role of deubiquitinating enzymes in gastric cancer. Oncol Lett 2019; 19:30-44. [PMID: 31897112 PMCID: PMC6924028 DOI: 10.3892/ol.2019.11062] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Accepted: 10/22/2019] [Indexed: 12/24/2022] Open
Abstract
The epigenetic regulation of gene expression (via DNA methylation, histone modification and microRNA interference) contributes to a variety of diseases, particularly cancer. Protein deubiquitination serves a key role in the mechanism underlying histone modification, and consequently influences tumor development and progression. Improved characterization of the role of ubiquitinating enzymes has led to the identification of numerous deubiquitinating enzymes (DUBs) with various functions. Gastric cancer (GC) is a highly prevalent cancer type that exhibits a high mortality rate. Latest analysis about cancer patient revealed that GC is sixth deadliest cancer type, which frequently occur in male (7.2%) than female (4.1%). Complex associations between DUBs and GC progression have been revealed in multiple studies; however, the molecular mechanism underpinning the metastasis and recurrence of GC is yet to be elucidated. Generally, DUBs were upregulated in gastric cancer. The relation of DUBs and tumor size, classification and staging was observed in GC. Besides, 5-yar survival rate of patients with GC is effeccted by expression level of DUBs. Among the highly expressed DUBs, specifically six DUBs namely UCHs, USPs, OTUs, MJDs, JAMMs and MCPIPs effect on this survival rate. Consequently, the association between GC and DUBs has received increasing attention in recent years. Therefore, in the present review, literature investigating the association between DUBs and GC pathophysiology was analyzed and critically appraised.
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Affiliation(s)
- Jiangang Sun
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Xiaojing Shi
- Zhengzhou University School of Pharmaceutical Science, Zhengzhou, Henan 450001, P.R. China
| | - M A A Mamun
- Zhengzhou University School of Pharmaceutical Science, Zhengzhou, Henan 450001, P.R. China
| | - Yongshun Gao
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
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102
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Yan C, Yuan J, Xu J, Zhang G, Li X, Zhang B, Hu T, Huang X, Mao Y, Song G. Ubiquitin-specific peptidase 39 regulates the process of proliferation and migration of human ovarian cancer via p53/p21 pathway and EMT. Med Oncol 2019; 36:95. [PMID: 31637536 DOI: 10.1007/s12032-019-1308-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Accepted: 08/27/2019] [Indexed: 12/15/2022]
Abstract
Ovarian cancer is one of the most lethal gynecological cancers; owning to its late detection and chemoresistance, understanding the pathogenesis of this malignant tumor is much critical. Previous studies have reported that ubiquitin-specific peptidase 39 (USP39) is generally overexpressed in a variety of cancers, including hepatocellular carcinoma, gastric cancer and so forth. Furthermore, USP39 is proved to be associated with the proliferation of malignant tumors. However, the function and mechanism of USP39 in ovarian cancer have not been elucidated. In the present study, we observed that USP39 was frequently overexpressed in human ovarian cancer and was highly correlated with TNM stage. Suppression of USP39 markedly inhibited the growth and migration of ovarian cancer cell lines HO-8910 and SKOV3 and induced cell cycle G2/M arrest. Moreover, knockdown of USP39 inhibited ovarian tumor growth in a xenograft model. In addition, our findings indicated that cell cycle arrest induced by USP39 knockdown might be involved in p53/p21 signaling pathway. Furthermore, we found that the depletion of USP39 inhibited the migration of ovarian cancer cells via blocking epithelial-mesenchymal transition. Taken together, these results suggest that USP39 may play vital roles in the genesis and progression and may serve as a potential biomarker for diagnosis and therapeutic target of ovarian cancer.
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Affiliation(s)
- Congcong Yan
- Cancer Research Center, School of Medicine, Xiamen University, Xiamen, 361102, China
| | - Jiahui Yuan
- Cancer Research Center, School of Medicine, Xiamen University, Xiamen, 361102, China
| | - Jiajia Xu
- Cancer Research Center, School of Medicine, Xiamen University, Xiamen, 361102, China
| | - Gongye Zhang
- Cancer Research Center, School of Medicine, Xiamen University, Xiamen, 361102, China
| | - Xiaomei Li
- Cancer Research Center, School of Medicine, Xiamen University, Xiamen, 361102, China
| | - Bing Zhang
- Department of Basic Medicine, School of Medicine, Xiamen University, Xiamen, 361102, China
| | - Tianhui Hu
- Cancer Research Center, School of Medicine, Xiamen University, Xiamen, 361102, China
| | - Xiaohua Huang
- Department of Basic Medicine, School of Medicine, Xiamen University, Xiamen, 361102, China
| | - Yubin Mao
- Cancer Research Center, School of Medicine, Xiamen University, Xiamen, 361102, China. .,Department of Basic Medicine, School of Medicine, Xiamen University, Xiamen, 361102, China.
| | - Gang Song
- Cancer Research Center, School of Medicine, Xiamen University, Xiamen, 361102, China.
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103
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Fukui S, Nagasaka K, Miyagawa Y, Kikuchi-Koike R, Kawata Y, Kanda R, Ichinose T, Sugihara T, Hiraike H, Wada-Hiraike O, Sasajima Y, Ayabe T. The proteasome deubiquitinase inhibitor bAP15 downregulates TGF-β/Smad signaling and induces apoptosis via UCHL5 inhibition in ovarian cancer. Oncotarget 2019; 10:5932-5948. [PMID: 31666925 PMCID: PMC6800272 DOI: 10.18632/oncotarget.27219] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Accepted: 09/10/2019] [Indexed: 02/06/2023] Open
Abstract
The ubiquitin-proteasome pathway plays an important role in the regulation of cellular proteins. As an alternative to the proteasome itself, recent research has focused on methods to modulate the regulation of deubiquitinating enzymes (DUBs) upstream of the proteasome, identifying DUBs as novel therapeutic targets in breast, endometrial, and prostate cancers, along with multiple myeloma. bAP15, an inhibitor of the 19S proteasome DUBs UCHL5 and USP14, results in cell growth inhibition in several human cancers; however, the mechanism remains poorly understood in ovarian cancer. Here, we found that aberrant UCHL5 expression predicted shorter progression-free survival (PFS) in a cohort of 1435 patients with ovarian cancer described in the Gene Expression Omnibus and The Cancer Genome Atlas databases. The subgroup of patients with TP53 mutations was significantly more likely to exhibit poor PFS (p <0.001). Moreover, we found bAP15 could suppress TP53-mutant ovarian cancer cell survival by regulating TGF-β signaling through inhibiting UCHL5 expression and dephosphorylating Smad2, consequently inducing apoptosis. bAP15 (2.5 and 5.0 mg/kg) also exerted significant anti-tumor effect on nude mice bearing subcutaneous SKOV3 xenografts. As activated TGF-β signaling is involved in ovarian cancer progression, these findings suggest that UCHL5 inhibition offers potential opportunities for a novel targeted therapy against TGF-β-activated ovarian cancer.
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Affiliation(s)
- Shiho Fukui
- Department of Obstetrics and Gynecology, Teikyo University School of Medicine, Itabashi-ku, Tokyo 173-8605, Japan
| | - Kazunori Nagasaka
- Department of Obstetrics and Gynecology, Teikyo University School of Medicine, Itabashi-ku, Tokyo 173-8605, Japan
| | - Yuko Miyagawa
- Department of Obstetrics and Gynecology, Teikyo University School of Medicine, Itabashi-ku, Tokyo 173-8605, Japan
| | - Ryoko Kikuchi-Koike
- Department of Obstetrics and Gynecology, Teikyo University School of Medicine, Itabashi-ku, Tokyo 173-8605, Japan
| | - Yoshiko Kawata
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo 113-8655, Japan
| | - Ranka Kanda
- Department of Obstetrics and Gynecology, Teikyo University School of Medicine, Itabashi-ku, Tokyo 173-8605, Japan
| | - Takayuki Ichinose
- Department of Obstetrics and Gynecology, Teikyo University School of Medicine, Itabashi-ku, Tokyo 173-8605, Japan
| | - Takeru Sugihara
- Department of Obstetrics and Gynecology, Teikyo University School of Medicine, Itabashi-ku, Tokyo 173-8605, Japan
| | - Haruko Hiraike
- Department of Obstetrics and Gynecology, Teikyo University School of Medicine, Itabashi-ku, Tokyo 173-8605, Japan
| | - Osamu Wada-Hiraike
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo 113-8655, Japan
| | - Yuko Sasajima
- Department of Pathology, Teikyo University School of Medicine, Itabashi-ku, Tokyo 173-8605, Japan
| | - Takuya Ayabe
- Department of Obstetrics and Gynecology, Teikyo University School of Medicine, Itabashi-ku, Tokyo 173-8605, Japan
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104
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The role of DUBs in the post-translational control of cell migration. Essays Biochem 2019; 63:579-594. [DOI: 10.1042/ebc20190022] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Revised: 09/30/2019] [Accepted: 10/01/2019] [Indexed: 12/26/2022]
Abstract
AbstractCell migration is a multifactorial/multistep process that requires the concerted action of growth and transcriptional factors, motor proteins, extracellular matrix remodeling and proteases. In this review, we focus on the role of transcription factors modulating Epithelial-to-Mesenchymal Transition (EMT-TFs), a fundamental process supporting both physiological and pathological cell migration. These EMT-TFs (Snail1/2, Twist1/2 and Zeb1/2) are labile proteins which should be stabilized to initiate EMT and provide full migratory and invasive properties. We present here a family of enzymes, the deubiquitinases (DUBs) which have a crucial role in counteracting polyubiquitination and proteasomal degradation of EMT-TFs after their induction by TGFβ, inflammatory cytokines and hypoxia. We also describe the DUBs promoting the stabilization of Smads, TGFβ receptors and other key proteins involved in transduction pathways controlling EMT.
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105
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Contextual Regulation of TGF-β Signaling in Liver Cancer. Cells 2019; 8:cells8101235. [PMID: 31614569 PMCID: PMC6829617 DOI: 10.3390/cells8101235] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 10/09/2019] [Accepted: 10/10/2019] [Indexed: 02/06/2023] Open
Abstract
Primary liver cancer is one of the leading causes for cancer-related death worldwide. Transforming growth factor beta (TGF-β) is a pleiotropic cytokine that signals through membrane receptors and intracellular Smad proteins, which enter the nucleus upon receptor activation and act as transcription factors. TGF-β inhibits liver tumorigenesis in the early stage by inducing cytostasis and apoptosis, but promotes malignant progression in more advanced stages by enhancing cancer cell survival, EMT, migration, invasion and finally metastasis. Understanding the molecular mechanisms underpinning the multi-faceted roles of TGF-β in liver cancer has become a persistent pursuit during the last two decades. Contextual regulation fine-tunes the robustness, duration and plasticity of TGF-β signaling, yielding versatile albeit specific responses. This involves multiple feedback and feed-forward regulatory loops and also the interplay between Smad signaling and non-Smad pathways. This review summarizes the known regulatory mechanisms of TGF-β signaling in liver cancer, and how they channel, skew and even switch the actions of TGF-β during cancer progression.
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106
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Zachariah S, Gray DA. Deubiquitinating Enzymes in Model Systems and Therapy: Redundancy and Compensation Have Implications. Bioessays 2019; 41:e1900112. [DOI: 10.1002/bies.201900112] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 08/06/2019] [Indexed: 01/09/2023]
Affiliation(s)
- Sarah Zachariah
- Centre for Cancer TherapeuticsOttawa Hospital Research Institute 501 Smyth Box 926 Ottawa ON K1H 8L6 Canada
- Department of Biochemistry, Microbiology and ImmunologyUniversity of Ottawa 451 Smyth Rd Ottawa ON K1H 8M5 Canada
| | - Douglas A. Gray
- Centre for Cancer TherapeuticsOttawa Hospital Research Institute 501 Smyth Box 926 Ottawa ON K1H 8L6 Canada
- Department of Biochemistry, Microbiology and ImmunologyUniversity of Ottawa 451 Smyth Rd Ottawa ON K1H 8M5 Canada
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107
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Wu HM, Kim TH, Kim A, Koo JH, Joo MS, Kim SG. Liver X Receptor α-Induced Cannabinoid Receptor 2 Inhibits Ubiquitin-Specific Peptidase 4 Through miR-27b, Protecting Hepatocytes From TGF-β. Hepatol Commun 2019; 3:1373-1387. [PMID: 31592043 PMCID: PMC6771303 DOI: 10.1002/hep4.1415] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Accepted: 07/13/2019] [Indexed: 01/16/2023] Open
Abstract
Liver X receptor‐alpha (LXRα) acts as a double‐edged sword in different biological situations. Given the elusive role of LXRα in hepatocyte viability, this study investigated whether LXRα protects hepatocytes from injurious stimuli and the underlying basis. LXRα activation prevented hepatocyte apoptosis from CCl4 challenges in mice. Consistently, LXRα protected hepatocytes specifically from transforming growth factor‐beta (TGF‐β), whereas LXRα deficiency aggravated TGF‐β‐induced hepatocyte injury. In the Gene Expression Omnibus database analysis for LXR−/− mice, TGF‐β receptors were placed in the core network. Hierarchical clustering and correlation analyses enabled us to find cannabinoid receptor 2 (CB2) as a gene relevant to LXRα. In human fibrotic liver samples, both LXRα and CB2 were lower in patients with septal fibrosis and cirrhosis than those with portal fibrosis. LXRα transcriptionally induced CB2; CB2 then defended hepatocytes from TGF‐β. In a macrophage depletion model, JWH133 (a CB2 agonist) treatment prevented toxicant‐induced liver injury. MicroRNA 27b (miR‐27b) was identified as an inhibitor of ubiquitin‐specific peptidase 4 (USP4), deubiquitylating TGF‐β receptor 1 (TβRI), downstream from CB2. Liver‐specific overexpression of LXRα protected hepatocytes from injurious stimuli and attenuated hepatic inflammation and fibrosis. Conclusion: LXRα exerts a cytoprotective effect against TGF‐β by transcriptionally regulating the CB2 gene in hepatocytes, and CB2 then inhibits USP4‐stabilizing TβRI through miR‐27b. Our data provide targets for the treatment of acute liver injury.
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Affiliation(s)
- Hong Min Wu
- College of Pharmacy and Research Institute of Pharmaceutical Sciences Seoul National University Seoul Korea
| | - Tae Hyun Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences Seoul National University Seoul Korea
| | - Ayoung Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences Seoul National University Seoul Korea
| | - Ja Hyun Koo
- College of Pharmacy and Research Institute of Pharmaceutical Sciences Seoul National University Seoul Korea
| | - Min Sung Joo
- College of Pharmacy and Research Institute of Pharmaceutical Sciences Seoul National University Seoul Korea
| | - Sang Geon Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences Seoul National University Seoul Korea
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108
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Poondla N, Chandrasekaran AP, Kim KS, Ramakrishna S. Deubiquitinating enzymes as cancer biomarkers: new therapeutic opportunities? BMB Rep 2019. [PMID: 30760385 PMCID: PMC6476481 DOI: 10.5483/bmbrep.2019.52.3.048] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Cancer remains a life-threatening disease and accounts for the major mortality rates worldwide. The practice of using biomarkers for early detection, staging, and customized therapy may increase cancer patients’ survival. Deubiquitinating enzymes (DUBs) are a family of proteases that remove ubiquitin tags from proteins of interest undergoing proteasomal degradation. DUBs play several functional roles other than deubiquitination. One of the important roles of DUBs is regulation of tumor progression. Several reports have suggested that the DUB family members were highly-elevated in various cancer cells and tissues in different stages of cancer. These findings suggest that the DUBs could be used as drug targets in cancer therapeutics. In this review, we recapitulate the role of the DUB family members, including ubiquitin-specific protease, otubain protease, and important candidates from other family members. Our aim was to better understand the connection between DUB expression profiles and cancers to allow researchers to design inhibitors or gene therapies to improve diagnosis and prognosis of cancers.
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Affiliation(s)
- Naresh Poondla
- Graduate School of Biomedical Science and Engineering, Department of Biomedical Science, Hanyang University, Seoul 04763, Korea
| | - Arun Pandian Chandrasekaran
- Graduate School of Biomedical Science and Engineering, Department of Biomedical Science, Hanyang University, Seoul 04763, Korea
| | - Kye-Seong Kim
- Graduate School of Biomedical Science and Engineering, Department of Biomedical Science, Hanyang University, Seoul 04763; College of Medicine, Hanyang University, Seoul 04763, Korea
| | - Suresh Ramakrishna
- Graduate School of Biomedical Science and Engineering, Department of Biomedical Science, Hanyang University, Seoul 04763; College of Medicine, Hanyang University, Seoul 04763, Korea
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109
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Geng N, Li Y, Zhang W, Wang F, Wang X, Jin Z, Xing Y, Li D, Zhang H, Li Y, Li X, Cheng M, Jin F, Li F. A PAK5-DNPEP-USP4 axis dictates breast cancer growth and metastasis. Int J Cancer 2019; 146:1139-1151. [PMID: 31219614 DOI: 10.1002/ijc.32523] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Revised: 05/20/2019] [Accepted: 06/13/2019] [Indexed: 12/30/2022]
Abstract
Although clinically associated with the progression of multiple cancers, the biological function of p21-activated kinase 5 (PAK5) in breast cancer remains largely unknown. Here, we reveal that the PAK5-aspartyl aminopeptidase (DNPEP)-ubiquitin-specific protease 4 (USP4) axis is involved in breast cancer progression. We show that PAK5 interacts with and phosphorylates DNPEP at serine 119. Functionally, we demonstrate that DNPEP overexpression suppresses breast cancer cell proliferation and invasion and restricts breast cancer growth and metastasis in mice. Furthermore, we identify USP4 as a downstream target of the PAK5-DNPEP pathway; DNPEP mediates USP4 downregulation. Importantly, we verify that DNPEP expression is frequently downregulated in breast cancer tissues and is negatively correlated with PAK5 and USP4 expression. PAK5 decreases DNPEP abundance via the ubiquitin-proteasome pathway. Consistently, analyses of clinical breast cancer specimens revealed significantly increased PAK5 and USP4 levels and an association between higher PAK5 and USP4 expression and worse breast cancer patient survival. These findings suggest a pivotal role for PAK5-elicited signaling in breast cancer progression.
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Affiliation(s)
- Nanxi Geng
- Department of Cell Biology, Key Laboratory of Cell Biology of Ministry of Public Health, and Key Laboratory of Medical Cell Biology of Ministry of Education, China Medical University, Shenyang, Liaoning, China
| | - Yang Li
- Department of Cell Biology, Key Laboratory of Cell Biology of Ministry of Public Health, and Key Laboratory of Medical Cell Biology of Ministry of Education, China Medical University, Shenyang, Liaoning, China
| | - Wenyu Zhang
- Department of Cell Biology, Key Laboratory of Cell Biology of Ministry of Public Health, and Key Laboratory of Medical Cell Biology of Ministry of Education, China Medical University, Shenyang, Liaoning, China
| | - Fei Wang
- Department of Cell Biology, Key Laboratory of Cell Biology of Ministry of Public Health, and Key Laboratory of Medical Cell Biology of Ministry of Education, China Medical University, Shenyang, Liaoning, China
| | - Xu Wang
- Department of Breast Surgery, Department of Surgical Oncology, Research Unit of General Surgery, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
| | - Zining Jin
- Department of Breast Surgery, Department of Surgical Oncology, Research Unit of General Surgery, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
| | - Yao Xing
- Department of Cell Biology, Key Laboratory of Cell Biology of Ministry of Public Health, and Key Laboratory of Medical Cell Biology of Ministry of Education, China Medical University, Shenyang, Liaoning, China
| | - Danni Li
- Department of Medical Oncology, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Hongyan Zhang
- Department of Cell Biology, Key Laboratory of Cell Biology of Ministry of Public Health, and Key Laboratory of Medical Cell Biology of Ministry of Education, China Medical University, Shenyang, Liaoning, China
| | - Yanshu Li
- Department of Cell Biology, Key Laboratory of Cell Biology of Ministry of Public Health, and Key Laboratory of Medical Cell Biology of Ministry of Education, China Medical University, Shenyang, Liaoning, China
| | - Xiaodong Li
- Department of Cell Biology, Key Laboratory of Cell Biology of Ministry of Public Health, and Key Laboratory of Medical Cell Biology of Ministry of Education, China Medical University, Shenyang, Liaoning, China
| | - Maosheng Cheng
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, Liaoning, China
| | - Feng Jin
- Department of Breast Surgery, Department of Surgical Oncology, Research Unit of General Surgery, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
| | - Feng Li
- Department of Cell Biology, Key Laboratory of Cell Biology of Ministry of Public Health, and Key Laboratory of Medical Cell Biology of Ministry of Education, China Medical University, Shenyang, Liaoning, China
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110
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Zhao Y, Wang X, Wang Q, Deng Y, Li K, Zhang M, Zhang Q, Zhou J, Wang HY, Bai P, Ren Y, Zhang N, Li W, Cheng Y, Xiao W, Du HN, Cheng X, Yin L, Fu X, Lin D, Zhou Q, Zhong B. USP2a Supports Metastasis by Tuning TGF-β Signaling. Cell Rep 2019; 22:2442-2454. [PMID: 29490279 DOI: 10.1016/j.celrep.2018.02.007] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Revised: 12/20/2017] [Accepted: 02/01/2018] [Indexed: 01/08/2023] Open
Abstract
TGF-β has been demonstrated to promote tumor metastasis, and the regulatory mechanisms are poorly understood. Here, we report the role of USP2a in promoting metastasis by facilitating TGF-β-triggered signaling. USP2a interacts with TGFBR1 and TGFBR2 upon TGF-β stimulation and removes K33-linked polyubiquitin chains from Lys502 of TGFBR1, promoting the recruitment of SMAD2/3. Simultaneously, TGFBR2 phosphorylates Ser207/Ser225 of USP2a, leading to the disassociation of SMAD2/3 from TGFBR1. The phosphorylation of USP2a and SMAD2 is positively correlated in human tumor biopsies, and USP2a is hyper-phosphorylated in lung adenocarcinomas with lymph node invasion. Depletion or pharmacologic inhibition of USP2a dampens TGF-β-triggered signaling and metastasis. Our findings have characterized an essential role of USP2a as a potential target for treatment of metastatic cancers.
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Affiliation(s)
- Yin Zhao
- Medical Research Institute, School of Medicine, Wuhan University, Wuhan 430071, China; College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Xiaomeng Wang
- Medical Research Institute, School of Medicine, Wuhan University, Wuhan 430071, China; College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Qingqing Wang
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China
| | - Yu Deng
- Department of Thoracic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Kang Li
- Medical Research Institute, School of Medicine, Wuhan University, Wuhan 430071, China; College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Man Zhang
- Medical Research Institute, School of Medicine, Wuhan University, Wuhan 430071, China; College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Qiang Zhang
- Medical Research Institute, School of Medicine, Wuhan University, Wuhan 430071, China; College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Jin Zhou
- College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Hong-Yan Wang
- College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Peng Bai
- College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Yujie Ren
- Medical Research Institute, School of Medicine, Wuhan University, Wuhan 430071, China; College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Ni Zhang
- Department of Thoracic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Weina Li
- Department and Institute of Infectious Disease, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | | | - Wuhan Xiao
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
| | - Hai-Ning Du
- College of Life Sciences, Wuhan University, Wuhan 430072, China
| | | | - Lei Yin
- College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Xiangning Fu
- Cancer Center, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Dandan Lin
- Cancer Center, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Qianghui Zhou
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China
| | - Bo Zhong
- Medical Research Institute, School of Medicine, Wuhan University, Wuhan 430071, China; College of Life Sciences, Wuhan University, Wuhan 430072, China.
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111
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Zhang J, Na S, Pan S, Long S, Xin Y, Jiang Q, Lai Z, Yan J, Cao Z. Inhibition of USP4 attenuates pathological scarring by downregulation of the TGF‑β/Smad signaling pathway. Mol Med Rep 2019; 20:1429-1435. [PMID: 31173246 DOI: 10.3892/mmr.2019.10370] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Accepted: 04/17/2019] [Indexed: 11/06/2022] Open
Abstract
Pathological scarring is a result of the hypertrophy of scar tissue during tissue repair following trauma. The aim of the present study was to assess the effect of ubiquitin‑specific protease 4 (USP4) silencing on pathological scarring, and to evaluate the mechanistic basis for the effect. An MTT assay was used to assess cell viability. Immunoprecipitation (IP) was used to determine ubiquitination levels of the TGF‑β receptor (TβR)I and Smad7. Tumor formation was assessed by injecting keloid fibroblasts. Hematoxylin and eosin staining was used to detect pathological changes in tumor tissue. Reverse transcription quantitative polymerase chain reaction and western blot analysis assays were used to evaluate the expression levels of TβRI and Smad7. Compared with the untreated control animals, cell viability and the expression of TβRI and Smad7 increased significantly in animals treated with TGF‑β. Short hairpin RNA for USP4 (shUSP4) decreased the cell viability of negative control cells, TGF‑β‑induced cellular proliferation, and the expression of TβRI and Smad7. IP experiments indicated that the ubiquitination level of TβRI was decreased following USP4 silencing. There was no remarkable difference in the structure of scar tissue among the various animal groups at 14 days following treatment, while the necrotic area of the scar tissue in the shUSP4 and vialinin A (USP inhibitor)‑treated animals increased significantly at the 28th and 42nd day compared with the control animals. At days 14, 28 and 42, the expression levels of TβRI and Smad7 in the shUSP4 and vialinin A‑treated animals were significantly decreased compared with the control animals (P<0.05). In summary, interference with or inhibition of USP4 prevented the activity of the TGF‑β/Smad pathway signaling and inhibited the formation of pathological scars.
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Affiliation(s)
- Jie Zhang
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Sijia Na
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Shuting Pan
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Sang Long
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Yuqi Xin
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Qingkun Jiang
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Zhongwei Lai
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Junfeng Yan
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Zhongyi Cao
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
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112
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Young MJ, Hsu KC, Lin TE, Chang WC, Hung JJ. The role of ubiquitin-specific peptidases in cancer progression. J Biomed Sci 2019; 26:42. [PMID: 31133011 PMCID: PMC6537419 DOI: 10.1186/s12929-019-0522-0] [Citation(s) in RCA: 86] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Accepted: 04/16/2019] [Indexed: 12/13/2022] Open
Abstract
Protein ubiquitination is an important mechanism for regulating the activity and levels of proteins under physiological conditions. Loss of regulation by protein ubiquitination leads to various diseases, such as cancer. Two types of enzymes, namely, E1/E2/E3 ligases and deubiquitinases, are responsible for controlling protein ubiquitination. The ubiquitin-specific peptidases (USPs) are the main members of the deubiquitinase family. Many studies have addressed the roles of USPs in various diseases. An increasing number of studies have indicated that USPs are critical for cancer progression, and some USPs have been used as targets to develop inhibitors for cancer prevention. Herein we collect and organize most of the recent studies on the roles of USPs in cancer progression and discuss the development of USP inhibitors for cancer therapy in the future.
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Affiliation(s)
- Ming-Jer Young
- Department of Biotechnology and Bioindustry Sciences, National Cheng Kung University, Tainan, 701, Taiwan
| | - Kai-Cheng Hsu
- Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan.,Ph.D. Program for Cancer Molecular Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan.,Biomedical Commercialization Center, Taipei Medical University, Taipei, Taiwan
| | - Tony Eight Lin
- Ph.D. Program for Cancer Molecular Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
| | - Wen-Chang Chang
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Jan-Jong Hung
- Department of Biotechnology and Bioindustry Sciences, National Cheng Kung University, Tainan, 701, Taiwan. .,The Ph.D. Program for Neural Regenerative Medicine, Taipei Medical University, Taipei, Taiwan.
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113
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Roane BM, Arend RC, Birrer MJ. Review: Targeting the Transforming Growth Factor-Beta Pathway in Ovarian Cancer. Cancers (Basel) 2019; 11:cancers11050668. [PMID: 31091744 PMCID: PMC6562901 DOI: 10.3390/cancers11050668] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Revised: 05/10/2019] [Accepted: 05/12/2019] [Indexed: 02/07/2023] Open
Abstract
Despite extensive efforts, there has been limited progress in optimizing treatment of ovarian cancer patients. The vast majority of patients experience recurrence within a few years despite a high response rate to upfront therapy. The minimal improvement in overall survival of ovarian cancer patients in recent decades has directed research towards identifying specific biomarkers that serve both as prognostic factors and targets for therapy. Transforming Growth Factor-β (TGF-β) is a superfamily of proteins that have been well studied and implicated in a wide variety of cellular processes, both in normal physiologic development and malignant cellular growth. Hypersignaling via the TGF-β pathway is associated with increased tumor dissemination through various processes including immune evasion, promotion of angiogenesis, and increased epithelial to mesenchymal transformation. This pathway has been studied in various malignancies, including ovarian cancer. As targeted therapy has become increasingly prominent in drug development and clinical research, biomarkers such as TGF-β are being studied to improve outcomes in the ovarian cancer patient population. This review article discusses the role of TGF-β in ovarian cancer progression, the mechanisms of TGF-β signaling, and the targeted therapies aimed at the TGF-β pathway that are currently being studied.
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Affiliation(s)
- Brandon M Roane
- Department of Obstetrics and Gynecology-Gynecologic Oncology, University of Alabama at Birmingham, Birmingham, AL 35233, USA.
| | - Rebecca C Arend
- Department of Obstetrics and Gynecology-Gynecologic Oncology, University of Alabama at Birmingham, Birmingham, AL 35233, USA.
| | - Michael J Birrer
- O'Neal Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL 35233, USA.
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114
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Wang A, Zhu F, Liang R, Li D, Li B. Regulation of T cell differentiation and function by ubiquitin-specific proteases. Cell Immunol 2019; 340:103922. [PMID: 31078284 DOI: 10.1016/j.cellimm.2019.103922] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Accepted: 05/02/2019] [Indexed: 12/13/2022]
Abstract
T cells play critical roles in immune responses to pathogens, autoimmunity, and antitumor immunity. During the past few decades, increasing numbers of studies have demonstrated the significance of protein ubiquitination in T cell-mediated immunity. Several E3 ubiquitin ligases and deubiquitinases (DUBs) have been identified as either positive or negative regulators of T cell development and function. In this review, we mainly focus on the roles of DUBs (especially ubiquitin-specific proteases (USPs)) in modulating T cell differentiation and function, as well as the molecular mechanisms. Understanding how T cell development and function is regulated by ubiquitination and deubiquitination will provide novel strategies for treating infection, autoimmune diseases, and cancer.
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Affiliation(s)
- Aiting Wang
- Key Laboratory of Molecular Virology and Immunology, CAS Center for Excellence in Molecular Cell Science, Unit of Molecular Immunology, Institut Pasteur of Shanghai, University of Chinese Academy of Sciences, Shanghai 200031, China; Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai JiaoTong University School of Medicine, Shanghai 200025, China
| | - Fangming Zhu
- Key Laboratory of Molecular Virology and Immunology, CAS Center for Excellence in Molecular Cell Science, Unit of Molecular Immunology, Institut Pasteur of Shanghai, University of Chinese Academy of Sciences, Shanghai 200031, China; Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai JiaoTong University School of Medicine, Shanghai 200025, China; Shanghai Key Laboratory of Bio-energy Crops, School of Life Science, Shanghai University, Shanghai 200444, China
| | - Rui Liang
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai JiaoTong University School of Medicine, Shanghai 200025, China
| | - Dan Li
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai JiaoTong University School of Medicine, Shanghai 200025, China
| | - Bin Li
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai JiaoTong University School of Medicine, Shanghai 200025, China.
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115
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Zhou Y, Liang P, Ji W, Yu Z, Chen H, Jiang L. Ubiquitin-specific protease 4 promotes glioblastoma multiforme via activating ERK pathway. Onco Targets Ther 2019; 12:1825-1839. [PMID: 30881035 PMCID: PMC6407510 DOI: 10.2147/ott.s176582] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Background Glioblastoma multiforme (GBM) is one of the most common brain tumors in adults. Current treatments cannot increase survival to a large extent, as the glioblastoma development mechanisms remain unknown. It has been well documented that ubiquitination contributes to tumor initiation and/or progression in many kinds of cancer. Ubiquitin-specific protease 4 (USP4), a member of deubiquitinating enzymes (DUBs) family, can remove ubiquitin residues and play a role in cancer development. Methods In the current study, lentiviruses were used to manipulate the expression of USP4. Real-time PCR and Western blot were used to measure the expression level of USP4. Then, CCK-8 and annexin-V staining were used to detect cell proliferation and cell apoptosis, respectively. Results First, we found that USP4 was highly upregulated in GBM tissues in comparison with that in normal tissues and high level of USP4 correlated with poor prognosis. Moreover, knockdown of USP4 could significantly inhibit cell proliferation and increase cell apoptosis in U87 and T98G cells. Cells with stable USP4 reduction exhibited slower tumor growth rate and smaller tumor size than the control group cells in a xenograft mouse model. Inhibition of USP4 downregulated the expression of PCNA, Bcl-2 and p-ERK1/2, but upregulated the expression of Bax both in vitro and in vivo. Inversely, USP4 overexpression could attenuate the effects contributed by ERK inhibitor. TGF-βR inhibition reduced level of TGF-βR1, p-smad2 and p-ERK1/2 which can partially be rescued by USP4 overexpression. Conclusion USP4, as a potential novel oncogene, promotes GBM by activation of ERK pathway through regulating TGF-β.
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Affiliation(s)
- Yudong Zhou
- Department of Neurosurgery, Children's Hospital of Chongqing Medical University, Chongqing 400014, People's Republic of China,
| | - Ping Liang
- Department of Neurosurgery, Children's Hospital of Chongqing Medical University, Chongqing 400014, People's Republic of China,
| | - Wenyuan Ji
- Department of Neurosurgery, Children's Hospital of Chongqing Medical University, Chongqing 400014, People's Republic of China,
| | - Zengpeng Yu
- Department of Neurosurgery, Children's Hospital of Chongqing Medical University, Chongqing 400014, People's Republic of China,
| | - Hui Chen
- Department of Neurosurgery, Children's Hospital of Chongqing Medical University, Chongqing 400014, People's Republic of China,
| | - Li Jiang
- Department of Neurosurgery, Children's Hospital of Chongqing Medical University, Chongqing 400014, People's Republic of China, .,Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing 400014, People's Republic of China, .,China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Chongqing 400014, People's Republic of China, .,Chongqing Key Laboratory of Translational Medical Research in Cognitive Development and Learning and Memory Disorders, Chongqing 400014, People's Republic of China,
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116
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Derynck R, Budi EH. Specificity, versatility, and control of TGF-β family signaling. Sci Signal 2019; 12:12/570/eaav5183. [PMID: 30808818 DOI: 10.1126/scisignal.aav5183] [Citation(s) in RCA: 484] [Impact Index Per Article: 96.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Encoded in mammalian cells by 33 genes, the transforming growth factor-β (TGF-β) family of secreted, homodimeric and heterodimeric proteins controls the differentiation of most, if not all, cell lineages and many aspects of cell and tissue physiology in multicellular eukaryotes. Deregulation of TGF-β family signaling leads to developmental anomalies and disease, whereas enhanced TGF-β signaling contributes to cancer and fibrosis. Here, we review the fundamentals of the signaling mechanisms that are initiated upon TGF-β ligand binding to its cell surface receptors and the dependence of the signaling responses on input from and cooperation with other signaling pathways. We discuss how cells exquisitely control the functional presentation and activation of heteromeric receptor complexes of transmembrane, dual-specificity kinases and, thus, define their context-dependent responsiveness to ligands. We also introduce the mechanisms through which proteins called Smads act as intracellular effectors of ligand-induced gene expression responses and show that the specificity and impressive versatility of Smad signaling depend on cross-talk from other pathways. Last, we discuss how non-Smad signaling mechanisms, initiated by distinct ligand-activated receptor complexes, complement Smad signaling and thus contribute to cellular responses.
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Affiliation(s)
- Rik Derynck
- Department of Cell and Tissue Biology and Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California at San Francisco, San Francisco, CA 94143, USA.
| | - Erine H Budi
- Department of Cell and Tissue Biology and Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California at San Francisco, San Francisco, CA 94143, USA
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Koutelou E, Wang L, Schibler AC, Chao HP, Kuang X, Lin K, Lu Y, Shen J, Jeter CR, Salinger A, Wilson M, Chen YC, Atanassov BS, Tang DG, Dent SYR. USP22 controls multiple signaling pathways that are essential for vasculature formation in the mouse placenta. Development 2019; 146:dev.174037. [PMID: 30718289 DOI: 10.1242/dev.174037] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Accepted: 01/24/2019] [Indexed: 12/14/2022]
Abstract
USP22, a component of the SAGA complex, is overexpressed in highly aggressive cancers, but the normal functions of this deubiquitinase are not well defined. We determined that loss of USP22 in mice results in embryonic lethality due to defects in extra-embryonic placental tissues and failure to establish proper vascular interactions with the maternal circulatory system. These phenotypes arise from abnormal gene expression patterns that reflect defective kinase signaling, including TGFβ and several receptor tyrosine kinase pathways. USP22 deletion in endothelial cells and pericytes that are induced from embryonic stem cells also hinders these signaling cascades, with detrimental effects on cell survival and differentiation as well as on the ability to form vessels. Our findings provide new insights into the functions of USP22 during development that may offer clues to its role in disease states.
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Affiliation(s)
- Evangelia Koutelou
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA .,Center for Cancer Epigenetics, University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA.,The University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA
| | - Li Wang
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA.,Center for Cancer Epigenetics, University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA.,The University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA.,Program in Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.,MD Anderson UTHealth Graduate School of Biomedical Sciences, University of Texas, Houston, TX 77030, USA
| | - Andria C Schibler
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA.,Center for Cancer Epigenetics, University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA.,The University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA.,MD Anderson UTHealth Graduate School of Biomedical Sciences, University of Texas, Houston, TX 77030, USA.,Program in Genes and Development, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Hsueh-Ping Chao
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA.,Center for Cancer Epigenetics, University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA.,The University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA.,Program in Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.,MD Anderson UTHealth Graduate School of Biomedical Sciences, University of Texas, Houston, TX 77030, USA
| | - Xianghong Kuang
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA.,Center for Cancer Epigenetics, University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA.,The University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA
| | - Kevin Lin
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA.,Center for Cancer Epigenetics, University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA.,The University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA
| | - Yue Lu
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA.,Center for Cancer Epigenetics, University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA.,The University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA
| | - Jianjun Shen
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA.,Center for Cancer Epigenetics, University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA.,The University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA.,MD Anderson UTHealth Graduate School of Biomedical Sciences, University of Texas, Houston, TX 77030, USA
| | - Collene R Jeter
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA.,Center for Cancer Epigenetics, University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA.,The University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA
| | - Andrew Salinger
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA.,Center for Cancer Epigenetics, University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA.,The University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA
| | - Marenda Wilson
- The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Yi Chun Chen
- MD Anderson UTHealth Graduate School of Biomedical Sciences, University of Texas, Houston, TX 77030, USA.,Program in Genes and Development, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.,The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Boyko S Atanassov
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA.,Center for Cancer Epigenetics, University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA.,The University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA
| | - Dean G Tang
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA.,Center for Cancer Epigenetics, University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA.,The University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA
| | - Sharon Y R Dent
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA .,Center for Cancer Epigenetics, University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA.,The University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA.,MD Anderson UTHealth Graduate School of Biomedical Sciences, University of Texas, Houston, TX 77030, USA
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118
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Wang B, Xu X, Yang Z, Zhang L, Liu Y, Ma A, Xu G, Tang M, Jing T, Wu L, Liu Y. POH1 contributes to hyperactivation of TGF-β signaling and facilitates hepatocellular carcinoma metastasis through deubiquitinating TGF-β receptors and caveolin-1. EBioMedicine 2019; 41:320-332. [PMID: 30745168 PMCID: PMC6441868 DOI: 10.1016/j.ebiom.2019.01.058] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 01/30/2019] [Accepted: 01/30/2019] [Indexed: 12/17/2022] Open
Abstract
Background Hyper-activation of TGF-β signaling is critically involved in progression of hepatocellular carcinoma (HCC). However, the events that contribute to the dysregulation of TGF-β pathway in HCC, especially at the post-translational level, are not well understood. Methods Associations of deubiquitinase POH1 with TGF-β signaling activity and the outcomes of HCC patients were examined by data mining of online HCC datasets, immunohistochemistry analyses using human HCC specimens, spearman correlation and survival analyses. The effects of POH1 on the ubiquitination and stability of the TGF-β receptors (TGFBR1 and TGFBR2) and the activation of downstream effectors were tested by western blotting. Primary mouse liver tissues from polyinosinic:polycytidylic acid (poly I:C)- treated Mx-Cre+, poh1f/f mice and control mice were used to detect the TGF-β receptors. The metastatic-related capabilities of HCC cells were studied in vitro and in mice. Findings Here we show that POH1 is a critical regulator of TGF-β signaling and promotes tumor metastasis. Integrative analyses of HCC subgroups classified with unsupervised transcriptome clustering of the TGF-β response, metastatic potential and outcomes, reveal that POH1 expression positively correlates with activities of TGF-β signaling in tumors and with malignant disease progression. Functionally, POH1 intensifies TGF-β signaling delivery and, as a consequence, promotes HCC cell metastatic properties both in vitro and in vivo. The expression of the TGF-β receptors was severely downregulated in POH1-deficient mouse hepatocytes. Mechanistically, POH1 deubiquitinates the TGF-β receptors and CAV1, therefore negatively regulates lysosome pathway-mediated turnover of TGF-β receptors. Conclusion Our study highlights the pathological significance of aberrantly expressed POH1 in TGF-β signaling hyperactivation and aggressive progression in HCC.
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Affiliation(s)
- Boshi Wang
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200032, China
| | - Xiaoli Xu
- State Key Laboratory of Oncogenes and Related Genes, Renji Hospital, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Zhaojuan Yang
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200032, China
| | - Li Zhang
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200032, China
| | - Yun Liu
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200032, China
| | - Aihui Ma
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200032, China
| | - Guiqin Xu
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200032, China
| | - Ming Tang
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200032, China
| | - Tiantian Jing
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200032, China
| | - Lin Wu
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200032, China
| | - Yongzhong Liu
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200032, China.
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119
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Kim SY, Baek KH. TGF-β signaling pathway mediated by deubiquitinating enzymes. Cell Mol Life Sci 2019; 76:653-665. [PMID: 30349992 PMCID: PMC11105597 DOI: 10.1007/s00018-018-2949-y] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Revised: 09/27/2018] [Accepted: 10/15/2018] [Indexed: 12/18/2022]
Abstract
Ubiquitination is a reversible cellular process mediated by ubiquitin-conjugating enzymes, whereas deubiquitinating enzymes (DUBs) detach the covalently conjugated ubiquitin from target substrates to counter ubiquitination. DUBs play a crucial role in regulating various signal transduction pathways and biological processes including apoptosis, cell proliferation, DNA damage repair, metastasis, differentiation, etc. Since the transforming growth factor-β (TGF-β) signaling pathway participates in various cellular functions such as inflammation, metastasis and embryogenesis, aberrant regulation of TGF-β signaling induces abnormal cellular functions resulting in numerous diseases. This review focuses on DUBs regulating the TGF-β signaling pathway. We discuss the molecular mechanisms of DUBs involved in TGF-β signaling pathway, and biological and therapeutic implications for various diseases.
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Affiliation(s)
- Soo-Yeon Kim
- Department of Biomedical Science, CHA University, 335 Pangyo-Ro, Bundang-Gu, Seongnam, Gyeonggi, 13488, Republic of Korea
| | - Kwang-Hyun Baek
- Department of Biomedical Science, CHA University, 335 Pangyo-Ro, Bundang-Gu, Seongnam, Gyeonggi, 13488, Republic of Korea.
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120
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Teyra J, Singer AU, Schmitges FW, Jaynes P, Kit Leng Lui S, Polyak MJ, Fodil N, Krieger JR, Tong J, Schwerdtfeger C, Brasher BB, Ceccarelli DFJ, Moffat J, Sicheri F, Moran MF, Gros P, Eichhorn PJA, Lenter M, Boehmelt G, Sidhu SS. Structural and Functional Characterization of Ubiquitin Variant Inhibitors of USP15. Structure 2019; 27:590-605.e5. [PMID: 30713027 DOI: 10.1016/j.str.2019.01.002] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Revised: 10/23/2018] [Accepted: 12/31/2018] [Indexed: 12/12/2022]
Abstract
The multi-domain deubiquitinase USP15 regulates diverse eukaryotic processes and has been implicated in numerous diseases. We developed ubiquitin variants (UbVs) that targeted either the catalytic domain or each of three adaptor domains in USP15, including the N-terminal DUSP domain. We also designed a linear dimer (diUbV), which targeted the DUSP and catalytic domains, and exhibited enhanced specificity and more potent inhibition of catalytic activity than either UbV alone. In cells, the UbVs inhibited the deubiquitination of two USP15 substrates, SMURF2 and TRIM25, and the diUbV inhibited the effects of USP15 on the transforming growth factor β pathway. Structural analyses revealed that three distinct UbVs bound to the catalytic domain and locked the active site in a closed, inactive conformation, and one UbV formed an unusual strand-swapped dimer and bound two DUSP domains simultaneously. These inhibitors will enable the study of USP15 function in oncology, neurology, immunology, and inflammation.
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Affiliation(s)
- Joan Teyra
- The Donnelly Centre, University of Toronto, Toronto, ON M5S 3E1, Canada
| | - Alex U Singer
- The Donnelly Centre, University of Toronto, Toronto, ON M5S 3E1, Canada
| | - Frank W Schmitges
- The Donnelly Centre, University of Toronto, Toronto, ON M5S 3E1, Canada
| | - Patrick Jaynes
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Sarah Kit Leng Lui
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Maria J Polyak
- Department of Biochemistry, McGill University, Montreal, QC, Canada; Corbin Therapeutics, Montreal, QC, Canada
| | - Nassima Fodil
- Department of Biochemistry, McGill University, Montreal, QC, Canada; Corbin Therapeutics, Montreal, QC, Canada
| | - Jonathan R Krieger
- SPARC BioCentre, Hospital for Sick Children, Toronto, ON M5G 0A4, Canada
| | - Jiefei Tong
- Cell Biology Program, The Hospital for Sick Children, 686 Bay Street, Toronto, ON M5G 0A4, Canada
| | | | - Bradley B Brasher
- Boston Biochem, a Bio-Techne Brand, 840 Memorial Drive, Cambridge, MA 02139, USA
| | - Derek F J Ceccarelli
- Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, ON M5G 1X5, Canada
| | - Jason Moffat
- The Donnelly Centre, University of Toronto, Toronto, ON M5S 3E1, Canada; Department of Molecular Genetics, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Frank Sicheri
- Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, ON M5G 1X5, Canada; Department of Molecular Genetics, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Michael F Moran
- SPARC BioCentre, Hospital for Sick Children, Toronto, ON M5G 0A4, Canada; Cell Biology Program, The Hospital for Sick Children, 686 Bay Street, Toronto, ON M5G 0A4, Canada; Department of Molecular Genetics, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Philippe Gros
- Department of Biochemistry, McGill University, Montreal, QC, Canada
| | - Pieter J A Eichhorn
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore; Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Martin Lenter
- Boehringer Ingelheim Pharma GmbH & Co KG, Biberach, Germany
| | | | - Sachdev S Sidhu
- The Donnelly Centre, University of Toronto, Toronto, ON M5S 3E1, Canada; Department of Molecular Genetics, University of Toronto, Toronto, ON M5S 1A8, Canada.
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121
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USP4 deficiency exacerbates hepatic ischaemia/reperfusion injury via TAK1 signalling. Clin Sci (Lond) 2019; 133:335-349. [PMID: 30622220 DOI: 10.1042/cs20180959] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2018] [Revised: 01/06/2019] [Accepted: 01/07/2019] [Indexed: 02/06/2023]
Abstract
Ubiquitin-specific peptidase 4 (USP4) protein is a type of deubiquitination enzyme that is correlated with many important biological processes. However, the function of USP4 in hepatic ischaemia/reperfusion (I/R) injury remains unknown. The aim of the present study was to explore the role of USP4 in hepatic I/R injury. USP4 gene knockout mice and primary hepatocytes were used to construct hepatic I/R models. The effect of USP4 on hepatic I/R injury was examined via pathological and molecular analyses. Our results indicated that USP4 was significantly up-regulated in liver of mice subjected to hepatic I/R injury. USP4 knockout mice exhibited exacerbated hepatic I/R injury, as evidenced by enhanced liver inflammation via the nuclear factor κB (NF-κB) signalling pathway and increased hepatocyte apoptosis. Additionally, USP4 overexpression inhibited hepatocyte inflammation and apoptosis on hepatic I/R stimulation. Mechanistically, our study demonstrates that USP4 deficiency exerts its detrimental effects on hepatic I/R injury by inducing activation of the transforming growth factor β-activated kinase 1 (TAK1)/JNK signalling pathways. TAK1 was required for USP4 function in hepatic I/R injury as TAK1 inhibition abolished USP4 function in vitro In conclusion, our study demonstrates that USP4 deficiency plays a detrimental role in hepatic I/R injury by promoting activation of the TAK1/JNK signalling pathways. Modulation of this axis may be a novel strategy to alleviate the pathological process of hepatic I/R injury.
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122
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USP1 inhibition destabilizes KPNA2 and suppresses breast cancer metastasis. Oncogene 2018; 38:2405-2419. [DOI: 10.1038/s41388-018-0590-8] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Revised: 10/18/2018] [Accepted: 11/13/2018] [Indexed: 02/06/2023]
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123
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Ubiquitination of Rheb governs growth factor-induced mTORC1 activation. Cell Res 2018; 29:136-150. [PMID: 30514904 PMCID: PMC6355928 DOI: 10.1038/s41422-018-0120-9] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2018] [Accepted: 11/13/2018] [Indexed: 01/05/2023] Open
Abstract
Mechanistic target of rapamycin mTOR complex 1 (mTORC1) plays a key role in the integration of various environmental signals to regulate cell growth and metabolism. mTORC1 is recruited to the lysosome where it is activated by its interaction with GTP-bound Rheb GTPase. However, the regulatory mechanism of Rheb activity remains largely unknown. Here, we show that ubiquitination governs the nucleotide-bound status of Rheb. Lysosome-anchored E3 ligase RNF152 catalyzes Rheb ubiquitination and promotes its binding to the TSC complex. EGF enhances the deubiquitination of Rheb through AKT-dependent USP4 phosphorylation, leading to the release of Rheb from the TSC complex. Functionally, ubiquitination of Rheb is linked to mTORC1-mediated signaling and consequently regulates tumor growth. Thus, we propose a mechanistic model whereby Rheb–mediated mTORC1 activation is dictated by a dynamic opposing act between Rheb ubiquitination and deubiquitination that are catalyzed by RNF152 and USP4 respectively.
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Zhang Z, Du J, Wang S, Shao L, Jin K, Li F, Wei B, Ding W, Fu P, van Dam H, Wang A, Jin J, Ding C, Yang B, Zheng M, Feng XH, Guan KL, Zhang L. OTUB2 Promotes Cancer Metastasis via Hippo-Independent Activation of YAP and TAZ. Mol Cell 2018; 73:7-21.e7. [PMID: 30472188 DOI: 10.1016/j.molcel.2018.10.030] [Citation(s) in RCA: 108] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Revised: 09/21/2018] [Accepted: 10/17/2018] [Indexed: 11/25/2022]
Abstract
The transcriptional regulators YAP and TAZ play important roles in development, physiology, and tumorigenesis and are negatively controlled by the Hippo pathway. It is yet unknown why the YAP/ TAZ proteins are frequently activated in human malignancies in which the Hippo pathway is still active. Here, by a gain-of-function cancer metastasis screen, we discovered OTUB2 as a cancer stemness and metastasis-promoting factor that deubiquitinates and activates YAP/TAZ. We found OTUB2 to be poly-SUMOylated on lysine 233, and this SUMOylation enables it to bind YAP/TAZ. We also identified a yet-unknown SUMO-interacting motif (SIM) in YAP and TAZ required for their association with SUMOylated OTUB2. Importantly, EGF and oncogenic KRAS induce OTUB2 poly-SUMOylation and thereby activate YAP/TAZ. Our results establish OTUB2 as an essential modulator of YAP/TAZ and also reveal a novel mechanism via which YAP/TAZ activity is induced by oncogenic KRAS.
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Affiliation(s)
- Zhengkui Zhang
- MOE Laboratory of Biosystems Homeostasis and Protection and Innovation Center for Cell Signaling Network, Life Sciences Institute, Zhejiang University, Hangzhou 310058, China; Institutes of Biology and Medical Sciences, Soochow University, Suzhou 215006, China
| | - Jinjin Du
- MOE Laboratory of Biosystems Homeostasis and Protection and Innovation Center for Cell Signaling Network, Life Sciences Institute, Zhejiang University, Hangzhou 310058, China
| | - Shuai Wang
- Institutes of Biology and Medical Sciences, Soochow University, Suzhou 215006, China
| | - Li Shao
- State Key Laboratory for Diagnostic and Treatment of Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Disease, Hangzhou 310000, China
| | - Ke Jin
- MOE Laboratory of Biosystems Homeostasis and Protection and Innovation Center for Cell Signaling Network, Life Sciences Institute, Zhejiang University, Hangzhou 310058, China
| | - Fang Li
- MOE Laboratory of Biosystems Homeostasis and Protection and Innovation Center for Cell Signaling Network, Life Sciences Institute, Zhejiang University, Hangzhou 310058, China
| | - Bajin Wei
- Breast Disease Center, First Affiliated Hospital of Medicine College of Zhejiang University, Hangzhou 310006, China
| | - Wei Ding
- Breast Disease Center, First Affiliated Hospital of Medicine College of Zhejiang University, Hangzhou 310006, China
| | - Peifen Fu
- Breast Disease Center, First Affiliated Hospital of Medicine College of Zhejiang University, Hangzhou 310006, China
| | - Hans van Dam
- Department of Cell and Chemical Biology, Oncode Institute, Leiden University Medical Center, 2300 RC Leiden, the Netherlands
| | - Aijun Wang
- Department of Surgery, School of Medicine, UC Davis, Davis, CA 95817, USA
| | - Jin Jin
- MOE Laboratory of Biosystems Homeostasis and Protection and Innovation Center for Cell Signaling Network, Life Sciences Institute, Zhejiang University, Hangzhou 310058, China
| | - Chen Ding
- State Key Laboratory of Genetic Engineering and Collaborative Innovation Center for Genetics and Development, School of Life Sciences, Institute of Biomedical Sciences, Fudan University, 200433 Shanghai, China
| | - Bing Yang
- MOE Laboratory of Biosystems Homeostasis and Protection and Innovation Center for Cell Signaling Network, Life Sciences Institute, Zhejiang University, Hangzhou 310058, China
| | - Min Zheng
- State Key Laboratory for Diagnostic and Treatment of Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Disease, Hangzhou 310000, China
| | - Xin-Hua Feng
- MOE Laboratory of Biosystems Homeostasis and Protection and Innovation Center for Cell Signaling Network, Life Sciences Institute, Zhejiang University, Hangzhou 310058, China
| | - Kun-Liang Guan
- Department of Pharmacology and Moores Cancer Center, University of California, San Diego, La Jolla, CA 94158, USA
| | - Long Zhang
- MOE Laboratory of Biosystems Homeostasis and Protection and Innovation Center for Cell Signaling Network, Life Sciences Institute, Zhejiang University, Hangzhou 310058, China.
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Miller DSJ, Bloxham RD, Jiang M, Gori I, Saunders RE, Das D, Chakravarty P, Howell M, Hill CS. The Dynamics of TGF-β Signaling Are Dictated by Receptor Trafficking via the ESCRT Machinery. Cell Rep 2018; 25:1841-1855.e5. [PMID: 30428352 PMCID: PMC7615189 DOI: 10.1016/j.celrep.2018.10.056] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Revised: 08/03/2018] [Accepted: 10/15/2018] [Indexed: 01/17/2023] Open
Abstract
Signal transduction pathways stimulated by secreted growth factors are tightly regulated at multiple levels between the cell surface and the nucleus. The trafficking of cell surface receptors is emerging as a key step for regulating appropriate cellular responses, with perturbations in this process contributing to human diseases, including cancer. For receptors recognizing ligands of the transforming growth factor β (TGF-β) family, little is known about how trafficking is regulated or how this shapes signaling dynamics. Here, using whole genome small interfering RNA (siRNA) screens, we have identified the ESCRT (endosomal sorting complex required for transport) machinery as a crucial determinant of signal duration. Downregulation of ESCRT components increases the outputs of TGF-β signaling and sensitizes cells to low doses of ligand in their microenvironment. This sensitization drives an epithelial-to-mesenchymal transition (EMT) in response to low doses of ligand, and we demonstrate a link between downregulation of the ESCRT machinery and cancer survival.
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Affiliation(s)
- Daniel S J Miller
- Developmental Signalling Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Robert D Bloxham
- Developmental Signalling Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Ming Jiang
- High Throughput Screening Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Ilaria Gori
- Developmental Signalling Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Rebecca E Saunders
- High Throughput Screening Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Debipriya Das
- Developmental Signalling Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Probir Chakravarty
- Bioinformatics and Biostatistics Facility, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Michael Howell
- High Throughput Screening Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Caroline S Hill
- Developmental Signalling Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK.
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Qin N, Han F, Li L, Ge Y, Lin W, Wang J, Wu L, Zhao G, Deng Y, Zhang J. Deubiquitinating enzyme 4 facilitates chemoresistance in glioblastoma by inhibiting P53 activity. Oncol Lett 2018; 17:958-964. [PMID: 30655854 PMCID: PMC6312926 DOI: 10.3892/ol.2018.9654] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Accepted: 08/10/2018] [Indexed: 12/15/2022] Open
Abstract
Glioblastoma is a malignant primary brain tumor with poor prognosis with a median survival of only 12–15 months. The high mortality rate of this disease is mainly due to the chemoresistance resulting from various reasons. Ubiquitin-specific protease 4 (USP4) has recently been found to be elevated in various types of cancer through regulating P53 activity. However, whether USP4 is responsible for chemoresistance in glioblastoma is not clear. In the present study, the expression of USP4 in glioblastoma tissues and cell lines, as well as its association with temozolomide (TMZ) chemoresistance was analyzed. The results demonstrated that USP4 was significantly upregulated in glioblastoma tissues and cell lines at the mRNA and protein levels. Notably, USP4 knockdown alone did not affect glioblastoma cell viability; however, when USP4 knockdown cells were treated with TMZ, the cell viability was decreased significantly. In addition, the results revealed that cleaved poly(ADP-ribose) polymerase level increased when USP4 was knocked down in glioblastoma cells treated with TMZ. It was also observed that P53 was increased in U251 and U87 cells with USP4 knockdown. Following treatment with a P53 specific inhibitor, the results suggested that USP4 mediated chemoresistance through inhibiting apoptosis in a P53-dependent manner. In conclusion, the data revealed the critical role of USP4 in TMZ resistance in glioblastoma and provided new insight for future drug development for the treatment of this disease.
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Affiliation(s)
- Na Qin
- Department of Neurology, Xijing Hospital, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Fengli Han
- Department of Neurology, The Fourth People's Hospital of Shaanxi, Xi'an, Shaanxi 710032, P.R. China
| | - Li Li
- Department of Neurology, Xijing Hospital, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Yingwei Ge
- Department of Neurology, Xijing Hospital, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Wei Lin
- Department of Neurosurgery, Xijing Hospital, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Jiang Wang
- Department of Neurosurgery, Xijing Hospital, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Lin Wu
- Department of Biochemistry and Molecular Biology, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Gang Zhao
- Department of Neurology, Xijing Hospital, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Yanchun Deng
- Department of Neurology, Xijing Hospital, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Jian Zhang
- Department of Biochemistry and Molecular Biology, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
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127
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Zhu J, Luo Z, Pan Y, Zheng W, Li W, Zhang Z, Xiong P, Xu D, Du M, Wang B, Yu J, Zhang J, Liu J. H19/miR-148a/USP4 axis facilitates liver fibrosis by enhancing TGF-β signaling in both hepatic stellate cells and hepatocytes. J Cell Physiol 2018; 234:9698-9710. [PMID: 30362572 DOI: 10.1002/jcp.27656] [Citation(s) in RCA: 69] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Accepted: 10/02/2018] [Indexed: 12/24/2022]
Abstract
Liver fibrosis is a wound-healing response represented by excessive extracellular matrix deposition. Activation of hepatic stellate cell (HSC) is the critical cellular basis for hepatic fibrogenesis, whereas hepatocyte undergoes epithelial-mesenchymal transition (EMT) which is also involved in chronic liver injury. Long noncoding RNA H19 has been found to be associated with cholestatic liver fibrosis lately. However, the role of H19 in liver fibrosis remains largely to be elucidated. In this study, we found that the expression of H19 was significantly upregulated in the liver tissue of CCl4 -induced mice, a toxicant-induced liver fibrogenesis model. Overexpression of H19 significantly aggravated activation of HSC and EMT of hepatocyte both by stimulating transforming growth factor-β (TGF-β) pathway. In terms of mechanism, H19 functioned as a competing endogenous RNA to sponge miR-148a and subsequently sustained the level of ubiquitin-specific protease 4 (USP4), which was an identified target of miR-148a and was able to stabilize TGF-β receptor I. In conclusion, our findings revealed a novel H19/miR-148a/USP4 axis which promoted liver fibrosis via TGF-β pathway in both HSC and hepatocyte, indicating that H19 could become a promising target for the treatment of liver fibrosis.
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Affiliation(s)
- Jie Zhu
- Department of Digestive Diseases, Huashan Hospital, Fudan University, Shanghai, China
| | - Zhongguang Luo
- Department of Digestive Diseases, Huashan Hospital, Fudan University, Shanghai, China
| | - Yida Pan
- Department of Digestive Diseases, Huashan Hospital, Fudan University, Shanghai, China
| | - Wanwei Zheng
- Department of Digestive Diseases, Huashan Hospital, Fudan University, Shanghai, China
| | - Wenshuai Li
- Department of Digestive Diseases, Huashan Hospital, Fudan University, Shanghai, China
| | - Ziqiang Zhang
- Department of General Surgery, Huashan Hospital, Fudan University, Shanghai, China
| | - Panpan Xiong
- Department of Digestive Diseases, Shanghai East Hospital, Tongji University, Shanghai, China
| | - Diannan Xu
- Institutes of Biomedical Sciences and Department of Immunology, Shanghai Medical School, Fudan University, Shanghai, China
| | - Meiling Du
- Department of Digestive Diseases, Shanghai East Hospital, Tongji University, Shanghai, China
| | - Bangting Wang
- Department of Digestive Diseases, Huashan Hospital, Fudan University, Shanghai, China
| | - Jianghong Yu
- Institutes of Biomedical Sciences and Department of Immunology, Shanghai Medical School, Fudan University, Shanghai, China
| | - Jun Zhang
- Department of Digestive Diseases, Huashan Hospital, Fudan University, Shanghai, China
| | - Jie Liu
- Department of Digestive Diseases, Huashan Hospital, Fudan University, Shanghai, China.,Institutes of Biomedical Sciences and Department of Immunology, Shanghai Medical School, Fudan University, Shanghai, China
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128
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Li H, Cui Y, Wei J, Liu C, Chen Y, Cui CP, Li L, Zhang X, Zhang L. VCP/p97 increases BMP signaling by accelerating ubiquitin ligase Smurf1 degradation. FASEB J 2018; 33:2928-2943. [PMID: 30335548 DOI: 10.1096/fj.201801173r] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The bone morphogenetic protein (BMP)-Smad signaling pathway plays a crucial role in the control of bone homeostasis by regulating osteoblast activity. It is known that the ubiquitin ligase Smad ubiquitination regulatory factor (Smurf)1 is a master negative regulator of BMP signaling, but how its stability and activity are regulated remains poorly understood. Our study showed that valosin-containing protein/p97, the mutations of which lead to rare forms of Paget's disease of bone (PDB)-like syndrome-such as inclusion body myopathy (IBM) associated with Paget's disease of bone and frontotemporal dementia (IBM-PFD)-together with its adaptor nuclear protein localization (NPL)4, specifically interact with Smurf1 and deliver the ubiquitinated Smurf1 for degradation. Depletion of either p97 or NPL4 resulted in the elevation of Smurf1 protein level and decreased BMP signaling accordingly. Mechanically, a typical proline, glutamic acid, serine, and threonine motif specifically existing in Smurf1 is necessary for its recognition and degradation by p97, and this process is dependent on p97 ATPase activity. More importantly, compared with p97 WT, PDB-associated mutation of p97 (mainly A232E) harboring the higher ATPase activity of p97 further promoted Smurf1 degradation, thus increasing BMP signaling activity. Our findings first establish a link between p97 and Smurf1, providing an in-depth understanding of how Smurf1 is regulated, as well as the mechanism of p97-related bone diseases.-Li, H., Cui, Y., Wei, J., Liu, C., Chen, Y., Cui, C.-P., Li, L., Zhang, X., Zhang, L. VCP/p97 increases BMP signaling by accelerating ubiquitin ligase Smurf1 degradation.
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Affiliation(s)
- Haiwen Li
- State Key Laboratory of Proteomics, National Center of Protein Sciences, Beijing Institute of Lifeomics, Beijing, China.,Department of Neurosciences, School of Medicine, Case Western Reserve University, Cleveland, Ohio, USA
| | - Yu Cui
- State Key Laboratory of Proteomics, National Center of Protein Sciences, Beijing Institute of Lifeomics, Beijing, China
| | - Jun Wei
- Department of General Surgery, Shanghai Fengxian Central Hospital Graduate Training Base, Fengxian Hospital, Southern Medical University, Shanghai, China
| | - Chao Liu
- State Key Laboratory of Proteomics, National Center of Protein Sciences, Beijing Institute of Lifeomics, Beijing, China
| | - Yuhan Chen
- State Key Laboratory of Proteomics, National Center of Protein Sciences, Beijing Institute of Lifeomics, Beijing, China
| | - Chun-Ping Cui
- State Key Laboratory of Proteomics, National Center of Protein Sciences, Beijing Institute of Lifeomics, Beijing, China
| | - Lei Li
- State Key Laboratory of Proteomics, National Center of Protein Sciences, Beijing Institute of Lifeomics, Beijing, China
| | - Xueli Zhang
- Department of General Surgery, Shanghai Fengxian Central Hospital Graduate Training Base, Fengxian Hospital, Southern Medical University, Shanghai, China
| | - Lingqiang Zhang
- State Key Laboratory of Proteomics, National Center of Protein Sciences, Beijing Institute of Lifeomics, Beijing, China
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129
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Targeting YOD1 by RNA Interference Inhibits Proliferation and Migration of Human Oral Keratinocytes through Transforming Growth Factor- β3 Signaling Pathway. BIOMED RESEARCH INTERNATIONAL 2018; 2018:6254308. [PMID: 30345304 PMCID: PMC6158930 DOI: 10.1155/2018/6254308] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Accepted: 08/19/2018] [Indexed: 11/17/2022]
Abstract
Objective We have identified a gene YOD1 encoding deubiquitinating enzyme (DUB) responsible for nonsyndromic cleft lip with or without cleft palate (NSCL/P). We aimed to determine the effects of YOD1 RNA interference (RNAi) on cell proliferation and migration, playing an important role in lip and palate formation, and to clarify whether the mechanisms involved TGF-β3 signaling associated with NSCL/P. Methods RNAi was applied to construct vectors expressing YOD1 small interference RNAs (siRNAs). The vectors were transfected into the human oral keratinocytes (HOK) cells. The cell proliferation and migration were evaluated by the cell counting kit-8 (CCK-8) assay and wound healing assay, respectively. The mRNA levels were detected by quantitative real-time reverse transcription-polymerase chain reaction (qRT-PCR). The protein levels were investigated by western blotting. Results The proliferation of YOD1 siRNA-transfected HOK cells was remarkably inhibited. The migration rate was significantly decreased in the YOD1 siRNA-transfected HOK cells. The TGF-β3 mRNA and protein levels were decreased significantly by siRNA-mediated knockdown of YOD1. YOD1 RNAi reduced the phosphor-Smad2/3 levels significantly. Conclusions YOD1 RNAi may inhibit cell proliferation and migration associated with the pathogenesis of NSCL/P through TGF-β3 signaling. The study indicates a novel role of YOD1 in regulating TGF-β3 signaling to affect cell proliferation and migration resulting in NSCL/P.
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130
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Morrow ME, Morgan MT, Clerici M, Growkova K, Yan M, Komander D, Sixma TK, Simicek M, Wolberger C. Active site alanine mutations convert deubiquitinases into high-affinity ubiquitin-binding proteins. EMBO Rep 2018; 19:embr.201745680. [PMID: 30150323 PMCID: PMC6172466 DOI: 10.15252/embr.201745680] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Revised: 07/24/2018] [Accepted: 07/31/2018] [Indexed: 11/26/2022] Open
Abstract
A common strategy for exploring the biological roles of deubiquitinating enzymes (DUBs) in different pathways is to study the effects of replacing the wild‐type DUB with a catalytically inactive mutant in cells. We report here that a commonly studied DUB mutation, in which the catalytic cysteine is replaced with alanine, can dramatically increase the affinity of some DUBs for ubiquitin. Overexpression of these tight‐binding mutants thus has the potential to sequester cellular pools of monoubiquitin and ubiquitin chains. As a result, cells expressing these mutants may display unpredictable dominant negative physiological effects that are not related to loss of DUB activity. The structure of the SAGA DUB module bound to free ubiquitin reveals the structural basis for the 30‐fold higher affinity of Ubp8C146A for ubiquitin. We show that an alternative option, substituting the active site cysteine with arginine, can inactivate DUBs while also decreasing the affinity for ubiquitin.
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Affiliation(s)
- Marie E Morrow
- Department of Biophysics and Biophysical Chemistry, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Michael T Morgan
- Department of Biophysics and Biophysical Chemistry, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Marcello Clerici
- Division of Biochemistry and Oncode Institute, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | | | - Ming Yan
- Department of Biophysics and Biophysical Chemistry, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - David Komander
- Medical Research Council Laboratory of Molecular Biology, Cambridge, UK
| | - Titia K Sixma
- Division of Biochemistry and Oncode Institute, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Michal Simicek
- Faculty of Medicine, University of Ostrava, Ostrava, Czech Republic.,Medical Research Council Laboratory of Molecular Biology, Cambridge, UK
| | - Cynthia Wolberger
- Department of Biophysics and Biophysical Chemistry, Johns Hopkins University School of Medicine, Baltimore, MD, USA
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131
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Soji K, Doi S, Nakashima A, Sasaki K, Doi T, Masaki T. Deubiquitinase inhibitor PR-619 reduces Smad4 expression and suppresses renal fibrosis in mice with unilateral ureteral obstruction. PLoS One 2018; 13:e0202409. [PMID: 30114247 PMCID: PMC6095583 DOI: 10.1371/journal.pone.0202409] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Accepted: 08/02/2018] [Indexed: 01/18/2023] Open
Abstract
Deubiquitinating enzymes (DUBs) remove ubiquitin from their substrates and, together with ubiquitin ligases, play an important role in the regulation of protein expression. Although transforming growth factor (TGF)-β1-Smad signaling is a central pathway of renal fibrosis, the role of DUBs in the expression of TGF-β receptors and Smads during the development of renal fibrosis remains unknown. In this study, we investigated whether PR-619, a pan-DUB inhibitor, suppresses fibrosis in mice with unilateral ureteral obstruction (UUO) and TGF-β1-stimulated normal rat kidney (NRK)-49F cells, a rat renal fibroblast cell line. Either the vehicle (dimethyl sulfoxide) or PR-619 (100 μg) was intraperitoneally administered to mice after UUO induction once a day for 7 days. Administration of PR-619 attenuated renal fibrosis with downregulation of mesenchymal markers, extracellular matrix proteins, matrix metalloproteinases, apoptosis, macrophage infiltration, and the TGF-β1 mRNA level in UUO mice. Although type I TGF-β receptor (TGF-βRI), Smad2, Smad3, and Smad4 protein expression levels were markedly increased in mice with UUO, administration of PR-619 suppressed only Smad4 expression but not TGF-βRI, Smad2, or Smad3 expression. PR-619 also had an inhibitory effect on TGF-β1-induced α-smooth muscle actin expression and reduced Smad4 levels in NRK-49F cells. Our results indicate that PR-619 ameliorates renal fibrosis, which is accompanied by the reduction of Smad4 expression.
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Affiliation(s)
- Kotaro Soji
- Department of Nephrology, Hiroshima University Hospital, Hiroshima, Japan
| | - Shigehiro Doi
- Department of Nephrology, Hiroshima University Hospital, Hiroshima, Japan
- * E-mail:
| | - Ayumu Nakashima
- Department of Nephrology, Hiroshima University Hospital, Hiroshima, Japan
| | - Kensuke Sasaki
- Department of Nephrology, Hiroshima University Hospital, Hiroshima, Japan
| | - Toshiki Doi
- Department of Nephrology, Hiroshima University Hospital, Hiroshima, Japan
| | - Takao Masaki
- Department of Nephrology, Hiroshima University Hospital, Hiroshima, Japan
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132
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Deubiquitinating Enzymes and Bone Remodeling. Stem Cells Int 2018; 2018:3712083. [PMID: 30123285 PMCID: PMC6079350 DOI: 10.1155/2018/3712083] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Accepted: 05/29/2018] [Indexed: 02/05/2023] Open
Abstract
Bone remodeling, which is essential for bone homeostasis, is controlled by multiple factors and mechanisms. In the past few years, studies have emphasized the role of the ubiquitin-dependent proteolysis system in regulating bone remodeling. Deubiquitinases, which are grouped into five families, remove ubiquitin from target proteins and are involved in several cell functions. Importantly, a number of deubiquitinases mediate bone remodeling through regulating differentiation and/or function of osteoblast and osteoclasts. In this review, we review the functions and mechanisms of deubiquitinases in mediating bone remodeling.
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133
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Mansour MA. Ubiquitination: Friend and foe in cancer. Int J Biochem Cell Biol 2018; 101:80-93. [PMID: 29864543 DOI: 10.1016/j.biocel.2018.06.001] [Citation(s) in RCA: 181] [Impact Index Per Article: 30.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Revised: 05/31/2018] [Accepted: 06/01/2018] [Indexed: 01/05/2023]
Abstract
Dynamic modulation and posttranslational modification of proteins are tightly controlled biological processes that occur in response to physiological cues. One such dynamic modulation is ubiquitination, which marks proteins for degradation via the proteasome, altering their localization, affecting their activity, and promoting or interfering with protein interactions. Hence, ubiquitination is crucial for a plethora of physiological processes, including cell survival, differentiation and innate and adaptive immunity. Similar to kinases, components of the ubiquitination system are often deregulated, leading to a variety of diseases, such as cancer and neurodegenerative disorders. In a context-dependent manner, ubiquitination can regulate both tumor-suppressing and tumor-promoting pathways in cancer. This review outlines how components of the ubiquitination systems (e.g. E3 ligases and deubiquitinases) act as oncogenes or tumor suppressors according to the nature of their substrates. Furthermore, I interrogate how the current knowledge of the differential roles of ubiquitination in cancer lead to technical advances to inhibit or reactivate the components of the ubiquitination system accordingly.
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Affiliation(s)
- Mohammed A Mansour
- Institute of Cancer Sciences, University of Glasgow, United Kingdom; The CRUK Beatson Institute, Glasgow, Switchback Road, G61 1BD, United Kingdom; Biochemistry Division, Department of Chemistry, Faculty of Science, Tanta University, Tanta, 31527, Egypt.
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134
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Garcia DA, Baek C, Estrada MV, Tysl T, Bennett EJ, Yang J, Chang JT. USP11 Enhances TGFβ-Induced Epithelial-Mesenchymal Plasticity and Human Breast Cancer Metastasis. Mol Cancer Res 2018; 16:1172-1184. [PMID: 29724812 DOI: 10.1158/1541-7786.mcr-17-0723] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Revised: 02/28/2018] [Accepted: 04/18/2018] [Indexed: 12/26/2022]
Abstract
Epithelial-mesenchymal transition (EMT) is a conserved cellular plasticity program that is reactivated in carcinoma cells and drives metastasis. Although EMT is well studied its regulatory mechanisms remain unclear. Therefore, to identify novel regulators of EMT, a data mining approach was taken using published microarray data and a group of deubiquitinases (DUB) were found to be upregulated in cells that have undergone EMT. Here, it is demonstrated that one DUB, ubiquitin-specific peptidase 11 (USP11), enhances TGFβ-induced EMT and self-renewal in immortalized human mammary epithelial cells. Furthermore, modulating USP11 expression in human breast cancer cells altered the migratory capacity in vitro and metastasis in vivo Moreover, elevated USP11 expression in human breast cancer patient clinical specimens correlated with decreased survival. Mechanistically, modulating USP11 expression altered the stability of TGFβ receptor type II (TGFBR2) and TGFβ downstream signaling in human breast cancer cells. Together, these data suggest that deubiquitination of TGFBR2 by USP11 effectively spares TGFBR2 from proteasomal degradation to promote EMT and metastasis.Implications: USP11 regulates TGFβ-induced epithelial-mesenchymal plasticity and human breast cancer metastasis and may be a potential therapeutic target for breast cancer. Mol Cancer Res; 16(7); 1172-84. ©2018 AACR.
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Affiliation(s)
- Daniel A Garcia
- Department of Medicine, University of California San Diego, La Jolla, California.,Biomedical Sciences Graduate Program, University of California San Diego, La Jolla, California
| | - Christina Baek
- Department of Medicine, University of California San Diego, La Jolla, California
| | - M Valeria Estrada
- Biorepository and Tissue Technology Shared Resources, Moores Cancer Center, University of California San Diego, La Jolla, California
| | - Tiffani Tysl
- Department of Medicine, University of California San Diego, La Jolla, California
| | - Eric J Bennett
- Division of Biological Sciences, Section of Cell and Developmental Biology, University of California, La Jolla, California
| | - Jing Yang
- Department of Pharmacology, University of California San Diego, La Jolla, California.,Department of Pediatrics, University of California San Diego, La Jolla, California.,Moores Cancer Center, University of California San Diego, La Jolla, California
| | - John T Chang
- Department of Medicine, University of California San Diego, La Jolla, California.
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135
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Guo W, Ma J, Pei T, Zhao T, Guo S, Yi X, Liu Y, Wang S, Zhu G, Jian Z, Gao T, Li C, Liao W, Shi Q. Up-regulated deubiquitinase USP4 plays an oncogenic role in melanoma. J Cell Mol Med 2018; 22:2944-2954. [PMID: 29542252 PMCID: PMC5908120 DOI: 10.1111/jcmm.13603] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Accepted: 02/13/2018] [Indexed: 02/06/2023] Open
Abstract
Melanoma is the most malignant skin cancer with increasing incidence worldwide. Although innovative therapies such as BRAF inhibitor and immune checkpoint inhibitor have gained remarkable advances, metastatic melanoma remains an incurable disease for its notorious aggressiveness. Therefore, further clarification of the underlying mechanism of melanoma pathogenesis is critical for the improvement of melanoma therapy. Ubiquitination is an important regulatory event for cancer hallmarks and melanoma development, and the deubiquitinating enzymes including ubiquitin-specific peptidase (USP) families are greatly implicated in modulating cancer biology. Herein, we first found that the expression of the deubiquitinase USP4 was significantly up-regulated in melanoma tissues and cell lines. Furthermore, although USP4 knockdown had little impact on melanoma cell proliferation, it could increase the sensitivity to DNA damage agent cisplatin. We subsequently showed that USP4 regulated cisplatin-induced cell apoptosis via p53 signalling. More importantly, USP4 could accentuate the invasive and migratory capacity of melanoma cells by promoting epithelial-mesenchymal transition. Altogether, our results demonstrate that the up-regulated USP4 plays an oncogenic role in melanoma by simultaneously suppressing stress-induced cell apoptosis and facilitating tumour metastasis.
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Affiliation(s)
- Weinan Guo
- Department of Dermatology, Xijing hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Jinyuan Ma
- Department of Dermatology, Xijing hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Tianli Pei
- Department of Dermatology, Xijing hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Tao Zhao
- Department of Dermatology, Xijing hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Sen Guo
- Department of Dermatology, Xijing hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Xiuli Yi
- Department of Dermatology, Xijing hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Yu Liu
- Department of Dermatology, Xijing hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Shiyu Wang
- Department of Dermatology, Xijing hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Guannan Zhu
- Department of Dermatology, Xijing hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Zhe Jian
- Department of Dermatology, Xijing hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Tianwen Gao
- Department of Dermatology, Xijing hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Chunying Li
- Department of Dermatology, Xijing hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Wenjun Liao
- Department of Dermatology, Xijing hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Qiong Shi
- Department of Dermatology, Xijing hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
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136
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Proteomic-genomic adjustments and their confluence for elucidation of pathways and networks during liver fibrosis. Int J Biol Macromol 2018; 111:379-392. [DOI: 10.1016/j.ijbiomac.2017.12.168] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Revised: 12/28/2017] [Accepted: 12/31/2017] [Indexed: 12/31/2022]
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137
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Zhong M, Jiang Q, Jin R. USP4 expression independently predicts favorable survival in lung adenocarcinoma. IUBMB Life 2018; 70:670-677. [PMID: 29667299 DOI: 10.1002/iub.1755] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Accepted: 03/29/2018] [Indexed: 01/29/2023]
Abstract
Ubiquitin specific protease 4 (USP4) is a member of the USPs family, which catalyzes the cleavage of ubiquitin from a series of protein substrates, thereby modulating a number of cellular signaling pathways. In this study, we aimed to explore the expression profile of USP4 in lung adenocarcinoma (LUAD) using large patient cohorts in the Cancer Genome Atlas and the International Cancer Genome Consortium and to investigate its prognostic value and the possible mechanisms of its dysregulation. Results showed that USP4 was significantly downregulated in LUAD tissues (N = 514) compared with the normal controls (N = 59). The high USP4 expression group had significantly better overall survival (OS) and recurrence-free survival (RFS). Multivariate analysis showed that preserved USP4 expression was an independent prognostic factor of favorable OS (HR: 0.574, 95%CI: 0.427-0.771, P < 0.001) and RFS (HR: 0.625, 95%CI: 0.444-0.880, P = 0.007) in LUAD. In comparison, although USP4 was downregulated in lung squamous cell carcinoma, its expression had no prognostic value in term of OS and RFS. By examining USP4 DNA copy number alterations (CNAs) (N = 511) and DNA methylation (N = 453) in LUAD, we found that DNA shallow deletion was frequent (-1, N = 239, 46.8%) and was associated with significantly decreased USP4 expression compared with the copy-neutral (0) cases. The methylation status of some CpG sites in USP4 DNA was negatively correlated with USP4 expression. Based on these findings, we infer that USP4 expression might be a favorable biomarker in terms of OS and RFS in LUAD patients. DNA shallow deletion and hypermethylation might be two important mechanisms of decreased USP4 in these patients. © 2018 IUBMB Life, 70(7):670-677, 2018.
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Affiliation(s)
- Ming Zhong
- Department of Respiration, China-Japan Union Hospital of Jilin University, Changchun, Jilin, China
| | - Qi Jiang
- Department of Nephrology, China-Japan Union Hospital of Jilin University, Changchun, Jilin, China
| | - Ronghui Jin
- Department of Respiration, China-Japan Union Hospital of Jilin University, Changchun, Jilin, China
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138
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Li T, Yan B, Ma Y, Weng J, Yang S, Zhao N, Wang X, Sun X. Ubiquitin-specific protease 4 promotes hepatocellular carcinoma progression via cyclophilin A stabilization and deubiquitination. Cell Death Dis 2018; 9:148. [PMID: 29396555 PMCID: PMC5833721 DOI: 10.1038/s41419-017-0182-5] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Revised: 11/21/2017] [Accepted: 11/22/2017] [Indexed: 12/19/2022]
Abstract
Ubiquitin-specific protease 4 (USP4) is a member of the deubiquitinating enzyme family, which plays an important role in human tumor diseases. However, the mechanisms by which USP4 facilitates tumor development, especially in hepatocellular carcinoma (HCC), remain unclear. Clinically, we found that USP4 is overexpressed in human HCC tissues compared with adjacent non-tumoral tissues and is significantly correlated with malignant phenotype characteristics, including tumor size, tumor number, differentiation, serum alpha-fetoprotein level, and vascular invasion. Moreover, Kaplan-Meier survival analysis showed a poor overall survival rate in patients with USP4-overexpressing tumors. Analyses of univariate and multivariate Cox proportional hazard models indicated that USP4 is a prognostic biomarker for poor outcome. Using in vitro and in vivo assays, we demonstrated that USP4 overexpression enhanced HCC cell growth, migration, and invasion. Mechanistically, cyclophilin A (CypA) was identified as an important molecule for USP4-mediated oncogenic activity in HCC. We observed that USP4 interacted with CypA and inhibited CypA degradation via deubiquitination in HCC cells. Subsequently, the USP4/CypA complex activated the MAPK signaling pathway and prevented CrkII phosphorylation. These data suggest that USP4 acts as a novel prognostic marker, offering potential therapeutic opportunities for HCC.
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Affiliation(s)
- Tianyi Li
- Department of General Surgery, Shanghai General Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Bin Yan
- Department of General Surgery, Shanghai General Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Yang Ma
- Department of General Surgery, Ruijin Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Junyong Weng
- Department of General Surgery, Shanghai General Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Shouwen Yang
- Department of Gynaecology, International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Nan Zhao
- Department of General Surgery, Shanghai General Hospital, Nanjing Medical University, Shanghai, China
| | - Xiaoliang Wang
- Department of General Surgery, Shanghai General Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China.
| | - Xing Sun
- Department of General Surgery, Shanghai General Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China.
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139
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Proteinase-activated receptor 2 promotes TGF-β-dependent cell motility in pancreatic cancer cells by sustaining expression of the TGF-β type I receptor ALK5. Oncotarget 2018; 7:41095-41109. [PMID: 27248167 PMCID: PMC5173045 DOI: 10.18632/oncotarget.9600] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Accepted: 05/14/2016] [Indexed: 12/14/2022] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is characterized by high expression of transforming growth factor (TGF)-β and the G protein-coupled receptor proteinase-activated receptor 2 (PAR2), the latter of which functions as a cell-surface sensor for serine proteinases asscociated with the tumour microenvironment. Since TGF-β and PAR2 affect tumourigenesis by regulating migration, invasion and metastasis, we hypothesized that there is signalling crosstalk between them. Depleting PDAC and non-PDAC cells of PAR2 by RNA interference strongly decreased TGF-β1-induced activation of Smad2/3 and p38 mitogen-activated protein kinase, Smad dependent transcriptional activity, expression of invasion associated genes, and cell migration/invasion in vitro. Likewise, the plasminogen activator-inhibitor 1 gene in primary cultures of aortic smooth muscle cells from PAR2-/- mice displayed a greatly attenuated sensitivity to TGF-β1 stimulation. PAR2 depletion in PDAC cells resulted in reduced protein and mRNA levels of the TGF-β type I receptor activin receptor-like kinase 5 (ALK5). Forced expression of wild-type ALK5 or a kinase-active ALK5 mutant, but not a kinase-active but Smad-binding defective ALK5 mutant, was able to rescue TGF-β1-induced Smad3 activation, Smad dependent transcription, and cell migration in PAR2-depleted cells. Together, our data show that PAR2 is crucial for TGF-β1-induced cell motility by its ability to sustain expression of ALK5. Therapeutically targeting PAR2 may thus be a promising approach in preventing TGF-β-dependent driven metastatic dissemination in PDAC and possibly other stroma-rich tumour types.
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140
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Yan X, Xiong X, Chen YG. Feedback regulation of TGF-β signaling. Acta Biochim Biophys Sin (Shanghai) 2018; 50:37-50. [PMID: 29228156 DOI: 10.1093/abbs/gmx129] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Indexed: 12/20/2022] Open
Abstract
Transforming growth factor beta (TGF-β) is a multi-functional polypeptide that plays a critical role in regulating a broad range of cellular functions and physiological processes. Signaling is initiated when TGF-β ligands bind to two types of cell membrane receptors with intrinsic Ser/Thr kinase activity and transmitted by the intracellular Smad proteins, which act as transcription factors to regulate gene expression in the nucleus. Although it is relatively simple and straight-forward, this TGF-β/Smad pathway is regulated by various feedback loops at different levels, including the ligand, the receptor, Smads and transcription, and is thus fine-tuned in terms of signaling robustness, duration, specificity, and plasticity. The precise control gives rise to versatile and context-dependent pathophysiological functions. In this review, we firstly give an overview of TGF-β signaling, and then discuss how each step of TGF-β signaling is finely controlled by distinct modes of feedback mechanisms, involving both protein regulators and miRNAs.
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Affiliation(s)
- Xiaohua Yan
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Nanchang University, Nanchang 330006, China
| | - Xiangyang Xiong
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Nanchang University, Nanchang 330006, China
| | - Ye-Guang Chen
- The State Key Laboratory of Membrane Biology, Tsinghua-Peking Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing 100084, China
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141
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Abstract
More than a decade after a Nobel Prize was awarded for the discovery of the ubiquitin-proteasome system and clinical approval of proteasome and ubiquitin E3 ligase inhibitors, first-generation deubiquitylating enzyme (DUB) inhibitors are now approaching clinical trials. However, although our knowledge of the physiological and pathophysiological roles of DUBs has evolved tremendously, the clinical development of selective DUB inhibitors has been challenging. In this Review, we discuss these issues and highlight recent advances in our understanding of DUB enzymology and biology as well as technological improvements that have contributed to the current interest in DUBs as therapeutic targets in diseases ranging from oncology to neurodegeneration.
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Affiliation(s)
- Jeanine A. Harrigan
- Mission Therapeutics Ltd, Moneta, Babraham Research Campus, Cambridge, CB22 3AT UK
| | - Xavier Jacq
- Mission Therapeutics Ltd, Moneta, Babraham Research Campus, Cambridge, CB22 3AT UK
| | - Niall M. Martin
- Mission Therapeutics Ltd, Moneta, Babraham Research Campus, Cambridge, CB22 3AT UK
- Present Address: and Department of Biochemistry, The Wellcome Trust and Cancer Research UK Gurdon Institute, Tennis Court Road, University of Cambridge, Cambridge, CB2 1QN UK
- Present address: Artios Pharmaceuticals Ltd, Maia, Babraham Research Campus, Cambridge CB22 3AT, UK,
| | - Stephen P. Jackson
- Mission Therapeutics Ltd, Moneta, Babraham Research Campus, Cambridge, CB22 3AT UK
- Present Address: and Department of Biochemistry, The Wellcome Trust and Cancer Research UK Gurdon Institute, Tennis Court Road, University of Cambridge, Cambridge, CB2 1QN UK
- Present address: Artios Pharmaceuticals Ltd, Maia, Babraham Research Campus, Cambridge CB22 3AT, UK,
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142
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Xie F, Ling L, van Dam H, Zhou F, Zhang L. TGF-β signaling in cancer metastasis. Acta Biochim Biophys Sin (Shanghai) 2018; 50:121-132. [PMID: 29190313 DOI: 10.1093/abbs/gmx123] [Citation(s) in RCA: 168] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2017] [Indexed: 02/06/2023] Open
Abstract
The transforming growth factor (TGF)-β signaling events are well known to control diverse processes and numerous responses, such as cell proliferation, differentiation, apoptosis, and migration. TGF-β signaling plays context-dependent roles in cancer: in pre-malignant cells TGF-β primarily functions as a tumor suppressor, while in the later stages of cancer TGF-β signaling promotes invasion and metastasis. Recent studies have also suggested that the cross-talk between TGF-β signaling and other signaling pathways, such as Hippo, Wnt, EGFR/RAS, and PI3K/AKT pathways, may substantially contribute to our current understanding of TGF-β signaling and cancer. As a result of the wide-ranging effects of TGF-β, blockade of TGF-β and its downstream signaling components provides multiple therapeutic opportunities. Therefore, the outlook for anti-TGF-β signaling therapy for numerous diseases appears bright and will provide valuable information and thinking on the drug molecular design. In this review, we focus on recent insights into the regulation of TGF-β signaling in cancer metastasis which may contribute to the development of novel cancer-targeting therapies.
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Affiliation(s)
- Feng Xie
- Institutes of Biology and Medical Science, Soochow University, Suzhou 215123, China
- Life Sciences Institute, Zhejiang University, Hangzhou, Zhejiang 310058, China
| | - Li Ling
- Institutes of Biology and Medical Science, Soochow University, Suzhou 215123, China
| | - Hans van Dam
- Department of Molecular Cell Biology, Cancer Genomics Centre Netherlands, Leiden University Medical Center, Postbus 9600, 2300 RC Leiden, The Netherlands
| | - Fangfang Zhou
- Institutes of Biology and Medical Science, Soochow University, Suzhou 215123, China
| | - Long Zhang
- Life Sciences Institute, Zhejiang University, Hangzhou, Zhejiang 310058, China
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143
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Breast cancer metastasis suppressor OTUD1 deubiquitinates SMAD7. Nat Commun 2017; 8:2116. [PMID: 29235476 PMCID: PMC5727433 DOI: 10.1038/s41467-017-02029-7] [Citation(s) in RCA: 81] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2017] [Accepted: 11/02/2017] [Indexed: 12/22/2022] Open
Abstract
Metastasis is the main cause of death in cancer patients. TGF-β is pro-metastatic for malignant cancer cells. Here we report a loss-of-function screen in mice with metastasis as readout and identify OTUD1 as a metastasis-repressing factor. OTUD1-silenced cancer cells show mesenchymal and stem-cell-like characteristics. Further investigation reveals that OTUD1 directly deubiquitinates the TGF-β pathway inhibitor SMAD7 and prevents its degradation. Moreover, OTUD1 cleaves Lysine 33-linked poly-ubiquitin chains of SMAD7 Lysine 220, which exposes the SMAD7 PY motif, enabling SMURF2 binding and subsequent TβRI turnover at the cell surface. Importantly, OTUD1 is lost in multiple types of human cancers and loss of OTUD1 increases metastasis in intracardial xenograft and orthotopic transplantation models, and correlates with poor prognosis among breast cancer patients. High levels of OTUD1 inhibit cancer stemness and shut off metastasis. Thus, OTUD1 represses breast cancer metastasis by mitigating TGF-β-induced pro-oncogenic responses via deubiquitination of SMAD7.
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144
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Seoane J, Gomis RR. TGF-β Family Signaling in Tumor Suppression and Cancer Progression. Cold Spring Harb Perspect Biol 2017; 9:cshperspect.a022277. [PMID: 28246180 DOI: 10.1101/cshperspect.a022277] [Citation(s) in RCA: 325] [Impact Index Per Article: 46.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Transforming growth factor-β (TGF-β) induces a pleiotropic pathway that is modulated by the cellular context and its integration with other signaling pathways. In cancer, the pleiotropic reaction to TGF-β leads to a diverse and varied set of gene responses that range from cytostatic and apoptotic tumor-suppressive ones in early stage tumors, to proliferative, invasive, angiogenic, and oncogenic ones in advanced cancer. Here, we review the knowledge accumulated about the molecular mechanisms involved in the dual response to TGF-β in cancer, and how tumor cells evolve to evade the tumor-suppressive responses of this signaling pathway and then hijack the signal, converting it into an oncogenic factor. Only through the detailed study of this complexity can the suitability of the TGF-β pathway as a therapeutic target against cancer be evaluated.
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Affiliation(s)
- Joan Seoane
- Translational Research Program, Vall d'Hebron Institute of Oncology, 08035 Barcelona, Spain.,Institució Catalana de Recerca i Estudis Avançats (ICREA), 08010 Barcelona, Spain
| | - Roger R Gomis
- Institució Catalana de Recerca i Estudis Avançats (ICREA), 08010 Barcelona, Spain.,Oncology Program, Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, 08028 Barcelona, Spain
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145
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Zhang YE. Mechanistic insight into contextual TGF-β signaling. Curr Opin Cell Biol 2017; 51:1-7. [PMID: 29149681 DOI: 10.1016/j.ceb.2017.10.001] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Accepted: 10/10/2017] [Indexed: 01/13/2023]
Abstract
Transforming growth factor-β (TGF-β) controls a wide range of cellular functions by activating both SMADs and non-SMAD pathways. In different tissue or physiological environment, cellular responses to TGF-β can be diverse, even opposite. Complex regulations at the level of ligand mobilization, receptor presentation, and the network of intracellular signal transducers afford the TGF-β pathway with versatile means to induce precise cellular responses in accordance to specific contextual demands. This article summarizes recent development in how cells manage their responses to TGF-β through ligand activation, receptor abundance, as well as SMAD-dependent and SMAD-independent mechanisms.
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Affiliation(s)
- Ying E Zhang
- Laboratory of Cellular and Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, United States.
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146
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Gencer S, Oleinik N, Kim J, Panneer Selvam S, De Palma R, Dany M, Nganga R, Thomas RJ, Senkal CE, Howe PH, Ogretmen B. TGF-β receptor I/II trafficking and signaling at primary cilia are inhibited by ceramide to attenuate cell migration and tumor metastasis. Sci Signal 2017; 10:eaam7464. [PMID: 29066540 PMCID: PMC5818989 DOI: 10.1126/scisignal.aam7464] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Signaling by the transforming growth factor-β (TGF-β) receptors I and II (TβRI/II) and the primary cilia-localized sonic hedgehog (Shh) pathway promote cell migration and, consequently, tumor metastasis. In contrast, the sphingolipid ceramide inhibits cell proliferation and tumor metastasis. We investigated whether ceramide metabolism inhibited TβRI/II trafficking to primary cilia to attenuate cross-talk between TβRI/II and the Shh pathway. We found that ceramide synthase 4 (CerS4)-generated ceramide stabilized the association between TβRI and the inhibitory factor Smad7, which limited the trafficking of TβRI/II to primary cilia. Expression of a mutant TβRI that signals but does not interact with Smad7 prevented the CerS4-mediated inhibition of migration in various cancer cells. Genetic deletion or knockdown of CerS4 prevented the formation of the Smad7-TβRI inhibitory complex and increased the association between TβRI and the transporter Arl6 through a previously unknown cilia-targeting signal (Ala31Thr32Ala33Leu34Gln35) in TβRI. Mutating the cilia-targeting signal abolished the trafficking of TβRI to the primary cilia. Localization of TβRI to primary cilia activated a key mediator of Shh signaling, Smoothened (Smo), which stimulated cellular migration and invasion. TβRI-Smo cross-talk at the cilia in CerS4-deficient 4T1 mammary cancer cells induced liver metastasis from orthotopic allografts in both wild-type and CerS4-deficient mice, which was prevented by overexpression of Smad7 or knockdown of intraflagellar transport protein 88 (IFT88). Overall, these data reveal a ceramide-dependent mechanism that suppresses cell migration and invasion by restricting TβRI/II-Shh signaling selectively at the plasma membrane of the primary cilium.
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Affiliation(s)
- Salih Gencer
- Department of Biochemistry and Molecular Biology, Medical University of South Carolina, 125 Ashley Avenue, Charleston, SC 29425, USA
- Hollings Cancer Center, 86 Jonathan Lucas Street, Charleston, SC 29425, USA
| | - Natalia Oleinik
- Department of Biochemistry and Molecular Biology, Medical University of South Carolina, 125 Ashley Avenue, Charleston, SC 29425, USA
- Hollings Cancer Center, 86 Jonathan Lucas Street, Charleston, SC 29425, USA
| | - Jisun Kim
- Department of Biochemistry and Molecular Biology, Medical University of South Carolina, 125 Ashley Avenue, Charleston, SC 29425, USA
- Hollings Cancer Center, 86 Jonathan Lucas Street, Charleston, SC 29425, USA
| | - Shanmugam Panneer Selvam
- Department of Biochemistry and Molecular Biology, Medical University of South Carolina, 125 Ashley Avenue, Charleston, SC 29425, USA
- Hollings Cancer Center, 86 Jonathan Lucas Street, Charleston, SC 29425, USA
| | - Ryan De Palma
- Department of Biochemistry and Molecular Biology, Medical University of South Carolina, 125 Ashley Avenue, Charleston, SC 29425, USA
- Hollings Cancer Center, 86 Jonathan Lucas Street, Charleston, SC 29425, USA
| | - Mohammed Dany
- Department of Biochemistry and Molecular Biology, Medical University of South Carolina, 125 Ashley Avenue, Charleston, SC 29425, USA
- Hollings Cancer Center, 86 Jonathan Lucas Street, Charleston, SC 29425, USA
| | - Rose Nganga
- Department of Biochemistry and Molecular Biology, Medical University of South Carolina, 125 Ashley Avenue, Charleston, SC 29425, USA
- Hollings Cancer Center, 86 Jonathan Lucas Street, Charleston, SC 29425, USA
| | - Raquela J Thomas
- Department of Biochemistry and Molecular Biology, Medical University of South Carolina, 125 Ashley Avenue, Charleston, SC 29425, USA
- Hollings Cancer Center, 86 Jonathan Lucas Street, Charleston, SC 29425, USA
| | - Can E Senkal
- Department of Biochemistry and Molecular Biology, Medical University of South Carolina, 125 Ashley Avenue, Charleston, SC 29425, USA
- Hollings Cancer Center, 86 Jonathan Lucas Street, Charleston, SC 29425, USA
| | - Philip H Howe
- Department of Biochemistry and Molecular Biology, Medical University of South Carolina, 125 Ashley Avenue, Charleston, SC 29425, USA
- Hollings Cancer Center, 86 Jonathan Lucas Street, Charleston, SC 29425, USA
| | - Besim Ogretmen
- Department of Biochemistry and Molecular Biology, Medical University of South Carolina, 125 Ashley Avenue, Charleston, SC 29425, USA.
- Hollings Cancer Center, 86 Jonathan Lucas Street, Charleston, SC 29425, USA
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147
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Interplay between TGF-β signaling and receptor tyrosine kinases in tumor development. SCIENCE CHINA-LIFE SCIENCES 2017; 60:1133-1141. [DOI: 10.1007/s11427-017-9173-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Accepted: 09/13/2017] [Indexed: 12/12/2022]
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148
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Kumari N, Jaynes PW, Saei A, Iyengar PV, Richard JLC, Eichhorn PJA. The roles of ubiquitin modifying enzymes in neoplastic disease. Biochim Biophys Acta Rev Cancer 2017; 1868:456-483. [PMID: 28923280 DOI: 10.1016/j.bbcan.2017.09.002] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2017] [Revised: 09/11/2017] [Accepted: 09/12/2017] [Indexed: 12/22/2022]
Abstract
The initial experiments performed by Rose, Hershko, and Ciechanover describing the identification of a specific degradation signal in short-lived proteins paved the way to the discovery of the ubiquitin mediated regulation of numerous physiological functions required for cellular homeostasis. Since their discovery of ubiquitin and ubiquitin function over 30years ago it has become wholly apparent that ubiquitin and their respective ubiquitin modifying enzymes are key players in tumorigenesis. The human genome encodes approximately 600 putative E3 ligases and 80 deubiquitinating enzymes and in the majority of cases these enzymes exhibit specificity in sustaining either pro-tumorigenic or tumour repressive responses. In this review, we highlight the known oncogenic and tumour suppressive effects of ubiquitin modifying enzymes in cancer relevant pathways with specific focus on PI3K, MAPK, TGFβ, WNT, and YAP pathways. Moreover, we discuss the capacity of targeting DUBs as a novel anticancer therapeutic strategy.
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Affiliation(s)
- Nishi Kumari
- Cancer Science Institute of Singapore, National University of Singapore, 117599, Singapore; Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, 117597, Singapore
| | - Patrick William Jaynes
- Cancer Science Institute of Singapore, National University of Singapore, 117599, Singapore
| | - Azad Saei
- Cancer Science Institute of Singapore, National University of Singapore, 117599, Singapore; Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, 117597, Singapore; Genome Institute of Singapore, A*STAR, Singapore
| | | | | | - Pieter Johan Adam Eichhorn
- Cancer Science Institute of Singapore, National University of Singapore, 117599, Singapore; Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, 117597, Singapore.
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149
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Das T, Park JK, Park J, Kim E, Rape M, Kim EE, Song EJ. USP15 regulates dynamic protein-protein interactions of the spliceosome through deubiquitination of PRP31. Nucleic Acids Res 2017; 45:4866-4880. [PMID: 28088760 PMCID: PMC5416801 DOI: 10.1093/nar/gkw1365] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2016] [Accepted: 01/02/2017] [Indexed: 12/30/2022] Open
Abstract
Post-translational modifications contribute to the spliceosome dynamics by facilitating the physical rearrangements of the spliceosome. Here, we report USP15, a deubiquitinating enzyme, as a regulator of protein-protein interactions for the spliceosome dynamics. We show that PRP31, a component of U4 snRNP, is modified with K63-linked ubiquitin chains by the PRP19 complex and deubiquitinated by USP15 and its substrate targeting factor SART3. USP15SART3 makes a complex with USP4 and this ternary complex serves as a platform to deubiquitinate PRP31 and PRP3. The ubiquitination and deubiquitination status of PRP31 regulates its interaction with the U5 snRNP component PRP8, which is required for the efficient splicing of chromosome segregation related genes, probably by stabilizing the U4/U6.U5 tri-snRNP complex. Collectively, our data suggest that USP15 plays a key role in the regulation of dynamic protein-protein interactions of the spliceosome.
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Affiliation(s)
- Tanuza Das
- Molecular Recognition Research Center, Korea Institute of Science and Technology, Hwarangno 14-gil 5, Seongbuk-gu, Seoul 02792, Korea
| | - Joon Kyu Park
- Biomedical Research Institute, Korea Institute of Science and Technology, Hwarangno 14-gil 5, Seongbuk-gu 02792, Seoul, Korea
| | - Jinyoung Park
- Molecular Recognition Research Center, Korea Institute of Science and Technology, Hwarangno 14-gil 5, Seongbuk-gu, Seoul 02792, Korea
| | - Eunji Kim
- Biomedical Research Institute, Korea Institute of Science and Technology, Hwarangno 14-gil 5, Seongbuk-gu 02792, Seoul, Korea
| | - Michael Rape
- Department of Molecular and Cell Biology, University of California, Berkeley, CA 94720, USA.,Howard Hughes Medical Institute, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Eunice EunKyeong Kim
- Biomedical Research Institute, Korea Institute of Science and Technology, Hwarangno 14-gil 5, Seongbuk-gu 02792, Seoul, Korea
| | - Eun Joo Song
- Molecular Recognition Research Center, Korea Institute of Science and Technology, Hwarangno 14-gil 5, Seongbuk-gu, Seoul 02792, Korea
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150
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Chen C, Choudhury S, Wangsa D, Lescott CJ, Wilkins DJ, Sripadhan P, Liu X, Wangsa D, Ried T, Moskaluk C, Wick MJ, Glasgow E, Schlegel R, Agarwal S. A multiplex preclinical model for adenoid cystic carcinoma of the salivary gland identifies regorafenib as a potential therapeutic drug. Sci Rep 2017; 7:11410. [PMID: 28900283 PMCID: PMC5595986 DOI: 10.1038/s41598-017-11764-2] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Accepted: 08/30/2017] [Indexed: 12/19/2022] Open
Abstract
Adenoid cystic carcinomas (ACC) are rare salivary gland cancers with a high incidence of metastases. In order to study this tumor type, a reliable model system exhibiting the molecular features of this tumor is critical, but none exists, thereby inhibiting in-vitro studies and the analysis of metastatic behavior. To address this deficiency, we have coupled an efficient method to establish tumor cell cultures, conditional reprogramming (CR), with a rapid, reproducible and robust in-vivo zebrafish model. We have established cell cultures from two individual ACC PDX tumors that maintain the characteristic MYB translocation. Additional mutations found in one ACC culture also seen in the PDX tumor. Finally, the CR/zebrafish model mirrors the PDX mouse model and identifies regorafenib as a potential therapeutic drug to treat this cancer type that mimic the drug sensitivity profile in PDX model, further confirming the unique advantages of multiplex system.
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Affiliation(s)
- Chen Chen
- Department of Pathology, Center for Cell Reprogramming, Georgetown University Medical Center, Washington, DC, 20007, USA
| | - Sujata Choudhury
- Department of Pathology, Center for Cell Reprogramming, Georgetown University Medical Center, Washington, DC, 20007, USA
| | - Darawalee Wangsa
- Center for Cancer Research, National Cancer Institute, Bethesda, MD, 20892, USA
| | - Chamille J Lescott
- Department of Pathology, Center for Cell Reprogramming, Georgetown University Medical Center, Washington, DC, 20007, USA
| | - Devan J Wilkins
- Department of Pathology, Center for Cell Reprogramming, Georgetown University Medical Center, Washington, DC, 20007, USA
| | - Praathibha Sripadhan
- Department of Pathology, Center for Cell Reprogramming, Georgetown University Medical Center, Washington, DC, 20007, USA
| | - Xuefeng Liu
- Department of Pathology, Center for Cell Reprogramming, Georgetown University Medical Center, Washington, DC, 20007, USA
| | - Danny Wangsa
- Center for Cancer Research, National Cancer Institute, Bethesda, MD, 20892, USA
| | - Thomas Ried
- Center for Cancer Research, National Cancer Institute, Bethesda, MD, 20892, USA
| | - Christopher Moskaluk
- Department of Pathology, University of Virginia, Charlottesville, VA, 22903, USA
| | | | - Eric Glasgow
- Department of Oncology, Lombardi Cancer Center, Georgetown University Medical Center, Washington, DC, 20007, USA
| | - Richard Schlegel
- Department of Pathology, Center for Cell Reprogramming, Georgetown University Medical Center, Washington, DC, 20007, USA
| | - Seema Agarwal
- Department of Pathology, Center for Cell Reprogramming, Georgetown University Medical Center, Washington, DC, 20007, USA.
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