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Shi R, Wang S, Jiang Y, Zhong G, Li M, Sun Y. ERCC4: a potential regulatory factor in inflammatory bowel disease and inflammation-associated colorectal cancer. Front Endocrinol (Lausanne) 2024; 15:1348216. [PMID: 38516408 PMCID: PMC10954797 DOI: 10.3389/fendo.2024.1348216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Accepted: 02/19/2024] [Indexed: 03/23/2024] Open
Abstract
The pathogenesis of inflammatory bowel disease (IBD) remains unclear and is associated with an increased risk of developing colitis-associated cancer (CAC). Under sustained inflammatory stimulation in the intestines, loss of early DNA damage response genes can lead to tumor formation. Many proteins are involved in the pathways of DNA damage response and play critical roles in protecting genes from various potential damages that DNA may undergo. ERCC4 is a structure-specific endonuclease that participates in the nucleotide excision repair (NER) pathway. The catalytic site of ERCC4 determines the activity of NER and is an indispensable gene in the NER pathway. ERCC4 may be involved in the imbalanced process of DNA damage and repair in IBD-related inflammation and CAC. This article primarily reviews the function of ERCC4 in the DNA repair pathway and discusses its potential role in the processes of IBD-related inflammation and carcinogenesis. Finally, we explore how this knowledge may open novel avenues for the treatment of IBD and IBD-related cancer.
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Affiliation(s)
| | | | | | | | | | - Yan Sun
- *Correspondence: Yan Sun, ; Mingsong Li,
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Dagar G, Kumar R, Yadav KK, Singh M, Pandita TK. Ubiquitination and deubiquitination: Implications on cancer therapy. BIOCHIMICA ET BIOPHYSICA ACTA. GENE REGULATORY MECHANISMS 2023; 1866:194979. [PMID: 37633647 DOI: 10.1016/j.bbagrm.2023.194979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 07/28/2023] [Accepted: 08/21/2023] [Indexed: 08/28/2023]
Abstract
The ubiquitin proteasomal system (UPS) represents a highly regulated protein degradation pathway essential for maintaining cellular homeostasis. This system plays a critical role in several cellular processes, which include DNA damage repair, cell cycle checkpoint control, and immune response regulation. Recently, the UPS has emerged as a promising target for cancer therapeutics due to its involvement in oncogenesis and tumor progression. Here we aim to summarize the key aspects of the UPS and its significance in cancer therapeutics. We begin by elucidating the fundamental components of the UPS, highlighting the role of ubiquitin, E1-E3 ligases, and the proteasome in protein degradation. Furthermore, we discuss the intricate process of ubiquitination and proteasomal degradation, emphasizing the specificity and selectivity achieved through various signaling pathways. The dysregulation of the UPS has been implicated in cancer development and progression. Aberrant ubiquitin-mediated degradation of key regulatory proteins, such as tumor suppressors and oncoproteins, can lead to uncontrolled cell proliferation, evasion of apoptosis, and metastasis. We outline the pivotal role of the UPS in modulating crucial oncogenic pathways, including the regulation of cyclins, transcription factors, Replication stress components and DNA damage response. The increasing recognition of the UPS as a target for cancer therapeutics has spurred the development of small molecules, peptides, and proteasome inhibitors with the potential to restore cellular balance and disrupt tumor growth. We provide an overview of current therapeutic strategies aimed at exploiting the UPS, including the use of proteasome inhibitors, deubiquitinating enzyme inhibitors, and novel E3 ligase modulators. We further discuss novel emerging strategies for the development of next-generation drugs that target proteasome inhibitors. Exploiting the UPS for cancer therapeutics offers promising avenues for developing innovative and effective treatment strategies, providing hope for improved patient outcomes in the fight against cancer.
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Affiliation(s)
- Gunjan Dagar
- Department of Medical Oncology, Dr BRAIRCH, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Rakesh Kumar
- School of Biotechnology, Shri Mata Vaishno Devi University, Katra, Jammu and Kashmir 182320, India.
| | - Kamlesh K Yadav
- Center for Genomics and Precision Medicine, Texas A&M College of Medicine, Houston, TX 77030, USA; School of Engineering Medicine, Texas A&M University, School of Medicine, Houston, TX 77030, USA.
| | - Mayank Singh
- Department of Medical Oncology, Dr BRAIRCH, All India Institute of Medical Sciences, New Delhi 110029, India.
| | - Tej K Pandita
- Center for Genomics and Precision Medicine, Texas A&M College of Medicine, Houston, TX 77030, USA.
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Chauhan R, Gupta A, Malhotra L, Bhat AA, Pandita RK, Masoodi T, Dagar G, Sadida HQ, Al-Marzooqi SK, Batra A, Bakhshi S, Sharma MC, Tanwar P, Khan SA, Samath EA, Uddin S, Akil ASAS, Haris M, Macha MA, Pandita TK, Singh M. Ubiquitin specific peptidase 37 and PCNA interaction promotes osteosarcoma pathogenesis by modulating replication fork progression. J Transl Med 2023; 21:286. [PMID: 37118828 PMCID: PMC10142227 DOI: 10.1186/s12967-023-04126-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 04/10/2023] [Indexed: 04/30/2023] Open
Abstract
BACKGROUND Osteosarcoma is a type of bone cancer that predominantly affects young individuals, including children and adolescents. The disease progresses through heterogeneous genetic alterations, and patients often develop pulmonary metastases even after the primary tumors have been surgically removed. Ubiquitin-specific peptidases (USPs) regulate several critical cellular processes, such as cell cycle progression, transcriptional activation, and signal transduction. Various studies have revealed the significance of USP37 in the regulation of replication stress and oncogenesis. METHODS In this study, the Cancer Genome Atlas (TCGA) database was analyzed to investigate USP37 expression. RNA sequencing was utilized to assess the impact of USP37 overexpression and depletion on gene expression in osteosarcoma cells. Various molecular assays, including colony formation, immunofluorescence, immunoprecipitation, and DNA replication restart, were employed to examine the physical interaction between USP37 and PCNA, as well as its physiological effects in osteosarcoma cells. Additionally, molecular docking studies were conducted to gain insight into the nature of the interaction between USP37 and PCNA. Furthermore, immunohistochemistry was performed on archived tissue blocks from osteosarcoma patients to establish a correlation between USP37 and PCNA expression. RESULTS Analysis of the TCGA database revealed that increased expression of USP37 was linked to decreased progression-free survival (PFS) in osteosarcoma patients. Next-generation sequencing analysis of osteosarcoma cells demonstrated that overexpression or knockdown of USP37 led to the expression of different sets of genes. USP37 overexpression provided a survival advantage, while its depletion heightened sensitivity to replication stress in osteosarcoma cells. USP37 was found to physically interact with PCNA, and molecular docking studies indicated that the interaction occurs through unique residues. In response to genotoxic stress, cells that overexpressed USP37 resolved DNA damage foci more quickly than control cells or cells in which USP37 was depleted. The expression of USP37 varied in archived osteosarcoma tissues, with intermediate expression seen in 52% of cases in the cohort examined. CONCLUSION The results of this investigation propose that USP37 plays a vital role in promoting replication stress tolerance in osteosarcoma cells. The interaction between USP37 and PCNA is involved in the regulation of replication stress, and disrupting it could potentially trigger synthetic lethality in osteosarcoma. This study has expanded our knowledge of the mechanism through which USP37 regulates replication stress, and its potential as a therapeutic target in osteosarcoma merits additional exploration.
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Affiliation(s)
- Ravi Chauhan
- Department of Medical Oncology (Lab), Dr. BRAIRCH, All India Institute of Medical Sciences (AIIMS), New Delhi, Delhi, 110029, India
| | - Ashna Gupta
- Department of Medical Oncology (Lab), Dr. BRAIRCH, All India Institute of Medical Sciences (AIIMS), New Delhi, Delhi, 110029, India
| | - Lakshay Malhotra
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi, India
| | - Ajaz A Bhat
- Department of Human Genetics-Precision Medicine in Diabetes, Obesity and Cancer Research Program, Sidra Medicine, Doha, Qatar
| | - Raj K Pandita
- Center for Genomics and Precision Medicine, Texas A&M College of Medicine, Houston, TX, USA
| | - Tariq Masoodi
- Laboratory of Cancer Immunology and Genetics, Sidra Medicine, Doha, Qatar
| | - Gunjan Dagar
- Department of Medical Oncology (Lab), Dr. BRAIRCH, All India Institute of Medical Sciences (AIIMS), New Delhi, Delhi, 110029, India
| | - Hana Q Sadida
- Department of Human Genetics-Precision Medicine in Diabetes, Obesity and Cancer Research Program, Sidra Medicine, Doha, Qatar
| | - Sara K Al-Marzooqi
- Department of Human Genetics-Precision Medicine in Diabetes, Obesity and Cancer Research Program, Sidra Medicine, Doha, Qatar
| | - Atul Batra
- Department of Medical Oncology, All India Institute of Medical Sciences, New Delhi, India
| | - Sameer Bakhshi
- Department of Medical Oncology, All India Institute of Medical Sciences, New Delhi, India
| | - Mehar Chand Sharma
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, India
| | - Pranay Tanwar
- Department of Lab Oncology, Dr. BRAIRCH. All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | - Shah Alam Khan
- Department of Orthopaedics, Dr. BRAIRCH, All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | | | - Shahab Uddin
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar
| | - Ammira S Al-Shabeeb Akil
- Department of Human Genetics-Precision Medicine in Diabetes, Obesity and Cancer Research Program, Sidra Medicine, Doha, Qatar
| | - Mohammad Haris
- Center for Advanced Metabolic Imaging in Precision Medicine, Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, USA
| | - Muzafar A Macha
- Watson-Crick Centre for Molecular Medicine, Islamic University of Science and Technology, Pulwama, India
| | - Tej K Pandita
- Center for Genomics and Precision Medicine, Texas A&M College of Medicine, Houston, TX, USA
| | - Mayank Singh
- Department of Medical Oncology (Lab), Dr. BRAIRCH, All India Institute of Medical Sciences (AIIMS), New Delhi, Delhi, 110029, India.
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Chauhan R, Bhat AA, Masoodi T, Bagga P, Reddy R, Gupta A, Sheikh ZA, Macha MA, Haris M, Singh M. Ubiquitin-specific peptidase 37: an important cog in the oncogenic machinery of cancerous cells. J Exp Clin Cancer Res 2021; 40:356. [PMID: 34758854 PMCID: PMC8579576 DOI: 10.1186/s13046-021-02163-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 10/29/2021] [Indexed: 02/08/2023] Open
Abstract
Protein ubiquitination is one of the most crucial posttranslational modifications responsible for regulating the stability and activity of proteins involved in homeostatic cellular function. Inconsistencies in the ubiquitination process may lead to tumorigenesis. Ubiquitin-specific peptidases are attractive therapeutic targets in different cancers and are being evaluated for clinical development. Ubiquitin-specific peptidase 37 (USP37) is one of the least studied members of the USP family. USP37 controls numerous aspects of oncogenesis, including stabilizing many different oncoproteins. Recent work highlights the role of USP37 in stimulating the epithelial-mesenchymal transition and metastasis in lung and breast cancer by stabilizing SNAI1 and stimulating the sonic hedgehog pathway, respectively. Several aspects of USP37 biology in cancer cells are yet unclear and are an active area of research. This review emphasizes the importance of USP37 in cancer and how identifying its molecular targets and signalling networks in various cancer types can help advance cancer therapeutics.
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Affiliation(s)
- Ravi Chauhan
- Department of Medical Oncology (Lab), All India Institute of Medical Sciences, New Delhi, India
| | - Ajaz A Bhat
- Laboratory of Molecular and Metabolic Imaging, Cancer Research Department, Sidra Medicine, Doha, Qatar
| | - Tariq Masoodi
- Department of Genomic Medicine, Genetikode, Mumbai, India
| | - Puneet Bagga
- Department of Diagnostic Imaging, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Ravinder Reddy
- Center for Advanced Metabolic Imaging in Precision Medicine, Department of Radiology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, USA
| | - Ashna Gupta
- Department of Medical Oncology (Lab), All India Institute of Medical Sciences, New Delhi, India
| | - Zahoor Ahmad Sheikh
- Department of Surgical Oncology, Sher-I-Kashmir Institute of Medical Sciences, Srinagar, Jammu and Kashmir, India
| | - Muzafar A Macha
- Watson-Crick Centre for Molecular Medicine, Islamic University of Science and Technology, Pulwama, India
| | - Mohammad Haris
- Laboratory of Molecular and Metabolic Imaging, Cancer Research Department, Sidra Medicine, Doha, Qatar.
- Center for Advanced Metabolic Imaging in Precision Medicine, Department of Radiology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, USA.
- Laboratory Animal Research Center, Qatar University, Doha, Qatar.
| | - Mayank Singh
- Department of Medical Oncology (Lab), All India Institute of Medical Sciences, New Delhi, India.
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