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Williams DEJ, King K, Jackson R, Kuehner F, Arnoldy C, Marroquin JN, Tobey I, Banka A, Ragonese S, Van Doorslaer K. PRMT1 Modulates Alternative Splicing to Enhance HPV18 mRNA Stability and Promote the Establishment of Infection. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.09.26.614592. [PMID: 39386465 PMCID: PMC11463397 DOI: 10.1101/2024.09.26.614592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/12/2024]
Abstract
Only persistent HPV infections lead to the development of cancer. Thus, understanding the virus-host interplay that influences the establishment of viral infection has important implications for HPV biology and human cancers. The ability of papillomaviruses to establish in cells requires the strict temporal regulation of viral gene expression in sync with cellular differentiation. This control primarily happens at the level of RNA splicing and polyadenylation. However, the details of how this spatio-temporal regulation is achieved still need to be fully understood. Until recently, it has been challenging to study the early events of the HPV lifecycle following infection. We used a single-cell genomics approach to identify cellular factors involved in viral infection and establishment. We identify protein arginine N-methyltransferase 1 (PRMT1) as an important factor in viral infection of primary human cervical cells. PRMT1 is the main cellular enzyme responsible for asymmetric dimethylation of cellular proteins. PRMT1 is an enzyme responsible for catalyzing the methylation of arginine residues on various proteins, which influences processes such as RNA processing, transcriptional regulation, and signal transduction. In this study, we show that HPV18 infection leads to increased PRMT1 levels across the viral lifecycle. PRMT1 is critical for the establishment of a persistent infection in primary cells. Mechanistically, PRMT1 inhibition leads to a highly dysregulated viral splicing pattern. Specifically, reduced PRMT1 activity leads to intron retention and a change in the E6 and E7 expression ratio. In the absence of PRMT1, viral transcripts are destabilized and subject to degradation via the nonsense-mediated decay (NMD) pathway. These findings highlight PRMT1 as a critical regulator of the HPV18 lifecycle, particularly in RNA processing, and position it as a potential therapeutic target for persistent HPV18 infections.
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Mun GI, Choi E, Jin H, Choi SK, Lee H, Kim S, Kim J, Kang C, Oh HL, Lee HJ, Ahn DR, Lee YS. Phosphorylation of BRCA1 at serine 1387 plays a critical role in cathepsin S-mediated radiation resistance via BRCA1 degradation and BCL2 stabilization. Biochim Biophys Acta Mol Basis Dis 2024; 1871:167523. [PMID: 39332782 DOI: 10.1016/j.bbadis.2024.167523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 08/19/2024] [Accepted: 09/17/2024] [Indexed: 09/29/2024]
Abstract
There is evidence that BRCA1, particularly cytoplasmic BRCA1, plays a significant role in initiating apoptosis through various mechanisms. Maintaining the stability of BRCA1 in cancer cells may be a promising therapeutic strategy for breast cancer, especially in cases of triple-negative breast cancer (TNBC) lacking appropriate therapeutic targets. Previously, it was reported that cathepsin S (CTSS) interacts with the BRCT domain of BRCA1, leading to ubiquitin-mediated degradation. We further investigated the critical role of BRCA1 phosphorylation at Ser1387, which is mediated by ionizing radiation (IR)-induced activation of ATM. This phosphorylation event was identified as a key factor in CTSS-mediated ubiquitin degradation of BRCA1. The functional inhibition of CTSS, using small molecules or a knockdown system, sensitized TNBC cells when exposed to IR by restoring the stability of cytoplasmic BRCA1. The increase in cytoplasmic BRCA1 led to the degradation of anti-apoptotic BCL2, which was responsible for the radiosensitization effect observed with CTSS inhibition. These results suggest that inhibiting CTSS may be an effective strategy for radiosensitization in TNBC cells through BCL2 degradation that is mediated by inhibition of CTSS-induced BRCA1 degradation.
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Affiliation(s)
- Gil-Im Mun
- Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Eun Choi
- Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Hee Jin
- Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Seul-Ki Choi
- Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Hanhee Lee
- Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Seoyoung Kim
- Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul 03760, Republic of Korea; New Horizon Cancer Institute, Myongji Hospital, Seoul 10472, Republic of Korea
| | - Junghyun Kim
- Chemical and Biological Integrative Research Center, Korea Institute of Science and Technology (KIST), Hwarangno 14-gil 5, Seongbuk-gu, Seoul 02792, Republic of Korea
| | - Chaerin Kang
- Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Hye Lim Oh
- Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Hae-June Lee
- Division of Basic Radiation Bioscience, Korea Institute of Radiological and Medical Sciences, Seoul 01812, Republic of Korea
| | - Dae-Ro Ahn
- Chemical and Biological Integrative Research Center, Korea Institute of Science and Technology (KIST), Hwarangno 14-gil 5, Seongbuk-gu, Seoul 02792, Republic of Korea
| | - Yun-Sil Lee
- Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul 03760, Republic of Korea.
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Li H, Qi X, He L, Yang H, Ju H. PRMT1 promotes radiotherapy resistance in glioma stem cells by inhibiting ferroptosis. Jpn J Radiol 2024:10.1007/s11604-024-01651-y. [PMID: 39254902 DOI: 10.1007/s11604-024-01651-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Accepted: 08/27/2024] [Indexed: 09/11/2024]
Abstract
PURPOSE The existence of glioma stem cells (GSCs) in cancer is related to glioma radiotherapy resistance. In this research, the effect of protein arginine methyltransferase 1 (PRMT1) on the radiosensitivity of glioma stem cell (GSC)-like cells, as well as its underlying mechanism, was investigated. METHODS GSCs-like cells were analyzed and identified by flow cytometry. The self-renewal capability was evaluated by sphere-forming assay. The PRMT1 expression level in glioblastoma were analyzed using the Gene Expression Profiling Interactive Analysis database. The mRNA and protein were scrutinized by RT-qPCR and western blot, respectively. The radiosensitivity was evaluated by clonogenic survival assay. Ferroptosis was evaluated by detecting the levels of reactive oxygen species, malondialdehyde, Fe2+, glutathione, and 4-hydroxynonenal. RESULTS U87 and SHG44 cells with GSC-like phenotype (GSC-U87 and GSC-SHG44) displayed strong expression of CD133 and nestin versus the glioma cells. GSC-U87 and GSC-SHG44 possess the self-renewal capability. The level of PRMT1 was higher in glioblastoma tumor tissues than in the normal paracancer tissues. Knockdown of PRMT1 enhanced the radiotherapy sensitivity of GSCs-like cells, which was evidenced by reduced survival fraction in GSC-U87 and GSC-SHG44 underwent sh-PRMT1 transfection. But, this effect was attenuated by Fer-1 (a ferroptosis inhibitor) treatment, accompanied by the abatement of ferroptosis. CONCLUSION PRMT1 promoted radiotherapy resistance in GSCs-like cells by inhibiting ferroptosis.
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Affiliation(s)
- Hong Li
- Department of Radiation Oncology, Peking University Cancer Hospital (Inner Mongolia Campus) and Affiliated Cancer Hospital of Inner Mongolia Medical University, Huhhot, 010020, Inner Mongolia Autonomous Region, China
| | - Xiaoyan Qi
- Department of Medical Oncology, Peking University Cancer Hospital (Inner Mongolia Campus) and Affiliated Cancer Hospital of Inner Mongolia Medical University, Huhhot, 010020, Inner Mongolia Autonomous Region, China
| | - Lijun He
- Department of Neurosurgery, Affiliated Hospital of Inner Mongolia Medical University, No. 1 Tongdao Street, Huimin District, Hohhot, 010020, Inner Mongolia, China
| | - Hao Yang
- Department of Radiation Oncology, Peking University Cancer Hospital (Inner Mongolia Campus) and Affiliated Cancer Hospital of Inner Mongolia Medical University, Huhhot, 010020, Inner Mongolia Autonomous Region, China
| | - Haitao Ju
- Department of Neurosurgery, Affiliated Hospital of Inner Mongolia Medical University, No. 1 Tongdao Street, Huimin District, Hohhot, 010020, Inner Mongolia, China.
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Martinez S, Sentis S, Poulard C, Trédan O, Le Romancer M. Role of PRMT1 and PRMT5 in Breast Cancer. Int J Mol Sci 2024; 25:8854. [PMID: 39201539 PMCID: PMC11354362 DOI: 10.3390/ijms25168854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2024] [Revised: 08/08/2024] [Accepted: 08/09/2024] [Indexed: 09/02/2024] Open
Abstract
Breast cancer is the most common cancer diagnosed in women worldwide. Early-stage breast cancer is curable in ~70-80% of patients, while advanced metastatic breast cancer is considered incurable with current therapies. Breast cancer is a highly heterogeneous disease categorized into three main subtypes based on key markers orientating specific treatment strategies for each subtype. The complexity of breast carcinogenesis is often associated with epigenetic modification regulating different signaling pathways, involved in breast tumor initiation and progression, particularly by the methylation of arginine residues. Protein arginine methyltransferases (PRMT1-9) have emerged, through their ability to methylate histones and non-histone substrates, as essential regulators of cancers. Here, we present an updated overview of the mechanisms by which PRMT1 and PRMT5, two major members of the PRMT family, control important signaling pathways impacting breast tumorigenesis, highlighting them as putative therapeutic targets.
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Affiliation(s)
- Sébastien Martinez
- Inserm U1052, Centre de Recherche en Cancérologie de Lyon, Université Claude Bernard Lyon 1, F-69000 Lyon, France
- CNRS UMR5286, Centre de Recherche en Cancérologie de Lyon, Université Claude Bernard Lyon 1, F-69000 Lyon, France
| | - Stéphanie Sentis
- Inserm U1052, Centre de Recherche en Cancérologie de Lyon, Université Claude Bernard Lyon 1, F-69000 Lyon, France
- CNRS UMR5286, Centre de Recherche en Cancérologie de Lyon, Université Claude Bernard Lyon 1, F-69000 Lyon, France
| | - Coralie Poulard
- Inserm U1052, Centre de Recherche en Cancérologie de Lyon, Université Claude Bernard Lyon 1, F-69000 Lyon, France
- CNRS UMR5286, Centre de Recherche en Cancérologie de Lyon, Université Claude Bernard Lyon 1, F-69000 Lyon, France
| | - Olivier Trédan
- Inserm U1052, Centre de Recherche en Cancérologie de Lyon, Université Claude Bernard Lyon 1, F-69000 Lyon, France
- CNRS UMR5286, Centre de Recherche en Cancérologie de Lyon, Université Claude Bernard Lyon 1, F-69000 Lyon, France
- Oncology Department, Centre Leon Bérard, F-69008 Lyon, France
| | - Muriel Le Romancer
- Inserm U1052, Centre de Recherche en Cancérologie de Lyon, Université Claude Bernard Lyon 1, F-69000 Lyon, France
- CNRS UMR5286, Centre de Recherche en Cancérologie de Lyon, Université Claude Bernard Lyon 1, F-69000 Lyon, France
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Guo J, Buettner R, Du L, Li Z, Liu W, Su R, Chen Z, Che Y, Zhang Y, Ma R, Nguyen LXT, Moore RE, Khyatiben P, Chen MH, Patrick P, Wu X, Marcucci G, Wang L, Horne D, Chen J, Yang Y, Rosen ST. 8-Cl-Ado and 8-NH 2-Ado synergize with venetoclax to target the methionine-MAT2A-SAM axis in acute myeloid leukemia. Leukemia 2024; 38:1236-1245. [PMID: 38643304 PMCID: PMC11147765 DOI: 10.1038/s41375-024-02222-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 02/29/2024] [Accepted: 03/06/2024] [Indexed: 04/22/2024]
Abstract
Targeting the metabolic dependencies of acute myeloid leukemia (AML) cells is a promising therapeutical strategy. In particular, the cysteine and methionine metabolism pathway (C/M) is significantly altered in AML cells compared to healthy blood cells. Moreover, methionine has been identified as one of the dominant amino acid dependencies of AML cells. Through RNA-seq, we found that the two nucleoside analogs 8-chloro-adenosine (8CA) and 8-amino-adenosine (8AA) significantly suppress the C/M pathway in AML cells, and methionine-adenosyltransferase-2A (MAT2A) is one of most significantly downregulated genes. Additionally, mass spectrometry analysis revealed that Venetoclax (VEN), a BCL-2 inhibitor recently approved by the FDA for AML treatment, significantly decreases the intracellular level of methionine in AML cells. Based on these findings, we hypothesized that combining 8CA or 8AA with VEN can efficiently target the Methionine-MAT2A-S-adenosyl-methionine (SAM) axis in AML. Our results demonstrate that VEN and 8CA/8AA synergistically decrease the SAM biosynthesis and effectively target AML cells both in vivo and in vitro. These findings suggest the promising potential of combining 8CA/8AA and VEN for AML treatment by inhibiting Methionine-MAT2A-SAM axis and provide a strong rationale for our recently activated clinical trial.
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Affiliation(s)
- Jiamin Guo
- Irell & Manella Graduate School of Biological Sciences, Beckman Research Institute, City of Hope, Duarte, CA, USA.
- Department of Hematology and Hematopoietic Cell Transplantation, City of Hope, Duarte, CA, USA.
| | - Ralf Buettner
- Department of Hematology and Hematopoietic Cell Transplantation, City of Hope, Duarte, CA, USA
| | - Li Du
- Department of Hematology and Hematopoietic Cell Transplantation, City of Hope, Duarte, CA, USA
| | - Zhenlong Li
- Department of Hematology and Hematopoietic Cell Transplantation, City of Hope, Duarte, CA, USA
| | - Wei Liu
- Department of Hematology and Hematopoietic Cell Transplantation, City of Hope, Duarte, CA, USA
| | - Rui Su
- Department of Systems Biology, Beckman Research Institute, City of Hope, Duarte, CA, USA
| | - Zhenhua Chen
- Department of Systems Biology, Beckman Research Institute, City of Hope, Duarte, CA, USA
| | - Yuan Che
- Department of Systems Biology, Beckman Research Institute, City of Hope, Duarte, CA, USA
| | - Yi Zhang
- Department of Cancer Genetics and Epigenetics, Beckman Research Institute, City of Hope, Duarte, CA, USA
| | - Rui Ma
- Department of Hematology and Hematopoietic Cell Transplantation, City of Hope, Duarte, CA, USA
| | - Le Xuan Truong Nguyen
- Department of Hematologic Malignancies Translational Science and Division of Leukemia, City of Hope, Duarte, CA, USA
| | - Roger E Moore
- Integrated Mass Spectrometry Shared Resource, City of Hope, Duarte, CA, USA
| | - Pathak Khyatiben
- Integrated Mass Spectrometry Shared Resource, City of Hope, Duarte, CA, USA
- Cancer & Cell Biology Division, Translational Genomics Research Institute, Phoenix, AZ, USA
| | - Min-Hsuan Chen
- Integrative Genomics Core, Beckman Research Institute, City of Hope, Duarte, CA, USA
| | - Pirrotte Patrick
- Integrated Mass Spectrometry Shared Resource, City of Hope, Duarte, CA, USA
- Cancer & Cell Biology Division, Translational Genomics Research Institute, Phoenix, AZ, USA
| | - Xiwei Wu
- Integrative Genomics Core, Beckman Research Institute, City of Hope, Duarte, CA, USA
| | - Guido Marcucci
- Department of Hematologic Malignancies Translational Science and Division of Leukemia, City of Hope, Duarte, CA, USA
| | - Lili Wang
- Department of Systems Biology, Beckman Research Institute, City of Hope, Duarte, CA, USA
| | - David Horne
- Department of Cancer Biology and Molecular Medicine, Beckman Research Institute, City of Hope, Duarte, CA, USA
| | - Jianjun Chen
- Department of Systems Biology, Beckman Research Institute, City of Hope, Duarte, CA, USA
| | - Yanzhong Yang
- Department of Cancer Genetics and Epigenetics, Beckman Research Institute, City of Hope, Duarte, CA, USA
| | - Steven T Rosen
- Department of Hematology and Hematopoietic Cell Transplantation, City of Hope, Duarte, CA, USA.
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Liu X, Zheng W, Zhang L, Cao Z, Cong X, Hu Q, Hou J, Jin X, Yuan Q, Lin L, Tan J, Lu J, Zhang Y, Zhang N. Arginine methylation-dependent cGAS stability promotes non-small cell lung cancer cell proliferation. Cancer Lett 2024; 586:216707. [PMID: 38331088 DOI: 10.1016/j.canlet.2024.216707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 01/31/2024] [Accepted: 02/03/2024] [Indexed: 02/10/2024]
Abstract
Cyclic GMP-AMP synthase (cGAS), promotes non-small cell lung cancer (NSCLC) cell proliferation. However, the specific mechanisms of cGAS-mediated NSCLC cell proliferation are largely unknown. In this study, we found asymmetric dimethylation by protein arginine methyltransferase 1 (PRMT1) at R127 of cGAS. This facilitated the binding of deubiquitinase USP7 and contributed to deubiquitination and stabilization of cGAS. PRMT1-and USP7-dependent cGAS stability, which also played a pivotal role in accelerating NSCLC cell proliferation through activating AKT pathway. We validated that the expression of cGAS and PRMT1 were positive correlated in human non-small cell lung cancer samples. Our study demonstrates a unique mechanism for managing cGAS stability by arginine methylation and indicates that PRMT1-cGAS-USP7 axis is a potential therapeutic target for NSCLC.
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Affiliation(s)
- Xiangxiang Liu
- The Key Laboratory of Molecular Epigenetics of Ministry of Education (MOE), Northeast Normal University, Changchun, 130024, China
| | - Weiguang Zheng
- The Institute of Genetics and Cytology, Northeast Normal University, Changchun, 130024, China
| | - Lian Zhang
- Department of Pathology, The Second Hospital of Jilin University, Changchun, China
| | - Ziyi Cao
- The Institute of Genetics and Cytology, Northeast Normal University, Changchun, 130024, China
| | - Xianling Cong
- Department of Biobank, China-Japan Union Hospital of Jilin University, Changchun, 130033, China
| | - Qianying Hu
- Department of Biobank, China-Japan Union Hospital of Jilin University, Changchun, 130033, China
| | - Jingyao Hou
- The Institute of Genetics and Cytology, Northeast Normal University, Changchun, 130024, China
| | - Xin Jin
- The Institute of Genetics and Cytology, Northeast Normal University, Changchun, 130024, China
| | - Qingxia Yuan
- The Key Laboratory of Molecular Epigenetics of Ministry of Education (MOE), Northeast Normal University, Changchun, 130024, China
| | - Luyao Lin
- The Institute of Genetics and Cytology, Northeast Normal University, Changchun, 130024, China
| | - Jiang Tan
- The Institute of Genetics and Cytology, Northeast Normal University, Changchun, 130024, China
| | - Jun Lu
- The Institute of Genetics and Cytology, Northeast Normal University, Changchun, 130024, China
| | - Yu Zhang
- The Key Laboratory of Molecular Epigenetics of Ministry of Education (MOE), Northeast Normal University, Changchun, 130024, China.
| | - Na Zhang
- School of Life Sciences, Jilin University, Changchun, 130012, China.
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Gao Y, Feng C, Ma J, Yan Q. Protein arginine methyltransferases (PRMTs): Orchestrators of cancer pathogenesis, immunotherapy dynamics, and drug resistance. Biochem Pharmacol 2024; 221:116048. [PMID: 38346542 DOI: 10.1016/j.bcp.2024.116048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 01/15/2024] [Accepted: 02/06/2024] [Indexed: 02/16/2024]
Abstract
Protein Arginine Methyltransferases (PRMTs) are a family of enzymes regulating protein arginine methylation, which is a post-translational modification crucial for various cellular processes. Recent studies have highlighted the mechanistic role of PRMTs in cancer pathogenesis, immunotherapy, and drug resistance. PRMTs are involved in diverse oncogenic processes, including cell proliferation, apoptosis, and metastasis. They exert their effects by methylation of histones, transcription factors, and other regulatory proteins, resulting in altered gene expression patterns. PRMT-mediated histone methylation can lead to aberrant chromatin remodeling and epigenetic changes that drive oncogenesis. Additionally, PRMTs can directly interact with key signaling pathways involved in cancer progression, such as the PI3K/Akt and MAPK pathways, thereby modulating cell survival and proliferation. In the context of cancer immunotherapy, PRMTs have emerged as critical regulators of immune responses. They modulate immune checkpoint molecules, including programmed cell death protein 1 (PD-1), through arginine methylation. Drug resistance is a significant challenge in cancer treatment, and PRMTs have been implicated in this phenomenon. PRMTs can contribute to drug resistance through multiple mechanisms, including the epigenetic regulation of drug efflux pumps, altered DNA damage repair, and modulation of cell survival pathways. In conclusion, PRMTs play critical roles in cancer pathogenesis, immunotherapy, and drug resistance. In this overview, we have endeavored to illuminate the mechanistic intricacies of PRMT-mediated processes. Shedding light on these aspects will offer valuable insights into the fundamental biology of cancer and establish PRMTs as promising therapeutic targets.
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Affiliation(s)
- Yihang Gao
- Department of Laboratory Medicine, the Second Hospital of Jilin University, Changchun 130000, China
| | - Chongchong Feng
- Department of Laboratory Medicine, the Second Hospital of Jilin University, Changchun 130000, China.
| | - Jingru Ma
- Department of Laboratory Medicine, the Second Hospital of Jilin University, Changchun 130000, China
| | - Qingzhu Yan
- Department of Ultrasound Medicine, the Second Hospital of Jilin University, Changchun 130000, China
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Shen S, Zhou H, Xiao Z, Zhan S, Tuo Y, Chen D, Pang X, Wang Y, Wang J. PRMT1 in human neoplasm: cancer biology and potential therapeutic target. Cell Commun Signal 2024; 22:102. [PMID: 38326807 PMCID: PMC10851560 DOI: 10.1186/s12964-024-01506-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 01/30/2024] [Indexed: 02/09/2024] Open
Abstract
Protein arginine methyltransferase 1 (PRMT1), the predominant type I protein arginine methyltransferase, plays a crucial role in normal biological functions by catalyzing the methylation of arginine side chains, specifically monomethylarginine (MMA) and asymmetric dimethylarginine (ADMA), within proteins. Recent investigations have unveiled an association between dysregulated PRMT1 expression and the initiation and progression of tumors, significantly impacting patient prognosis, attributed to PRMT1's involvement in regulating various facets of tumor cell biology, including DNA damage repair, transcriptional and translational regulation, as well as signal transduction. In this review, we present an overview of recent advancements in PRMT1 research across different tumor types, with a specific focus on its contributions to tumor cell proliferation, metastasis, invasion, and drug resistance. Additionally, we expound on the dynamic functions of PRMT1 during distinct stages of cancer progression, elucidating its unique regulatory mechanisms within the same signaling pathway and distinguishing between its promotive and inhibitory effects. Importantly, we sought to provide a comprehensive summary and analysis of recent research progress on PRMT1 in tumors, contributing to a deeper understanding of its role in tumorigenesis, development, and potential treatment strategies.
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Affiliation(s)
- Shiquan Shen
- Department of Neurosurgery, Institute of Neuroscience, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China
| | - Honglong Zhou
- Department of Neurosurgery, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, China
| | - Zongyu Xiao
- Department of Neurosurgery, Dushu Lake Hospital Affiliated to Soochow University, Suzhou, 215124, China
| | - Shaofen Zhan
- Department of Neurology, Guangdong Second Provincial General Hospital, Southern Medical University, Guangzhou, 510317, China
| | - Yonghua Tuo
- Department of Neurosurgery, Institute of Neuroscience, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China
| | - Danmin Chen
- Department of Neurosurgery, Institute of Neuroscience, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China
| | - Xiao Pang
- Department of Neurosurgery, Institute of Neuroscience, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China
| | - Yezhong Wang
- Department of Neurosurgery, Institute of Neuroscience, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China.
| | - Ji Wang
- Department of Neurosurgery, Institute of Neuroscience, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China.
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9
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Zhu Y, Xia T, Chen DQ, Xiong X, Shi L, Zuo Y, Xiao H, Liu L. Promising role of protein arginine methyltransferases in overcoming anti-cancer drug resistance. Drug Resist Updat 2024; 72:101016. [PMID: 37980859 DOI: 10.1016/j.drup.2023.101016] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 10/16/2023] [Accepted: 10/30/2023] [Indexed: 11/21/2023]
Abstract
Drug resistance remains a major challenge in cancer treatment, necessitating the development of novel strategies to overcome it. Protein arginine methyltransferases (PRMTs) are enzymes responsible for epigenetic arginine methylation, which regulates various biological and pathological processes, as a result, they are attractive therapeutic targets for overcoming anti-cancer drug resistance. The ongoing development of small molecules targeting PRMTs has resulted in the generation of chemical probes for modulating most PRMTs and facilitated clinical treatment for the most advanced oncology targets, including PRMT1 and PRMT5. In this review, we summarize various mechanisms underlying protein arginine methylation and the roles of specific PRMTs in driving cancer drug resistance. Furthermore, we highlight the potential clinical implications of PRMT inhibitors in decreasing cancer drug resistance. PRMTs promote the formation and maintenance of drug-tolerant cells via several mechanisms, including altered drug efflux transporters, autophagy, DNA damage repair, cancer stem cell-related function, epithelial-mesenchymal transition, and disordered tumor microenvironment. Multiple preclinical and ongoing clinical trials have demonstrated that PRMT inhibitors, particularly PRMT5 inhibitors, can sensitize cancer cells to various anti-cancer drugs, including chemotherapeutic, targeted therapeutic, and immunotherapeutic agents. Combining PRMT inhibitors with existing anti-cancer strategies will be a promising approach for overcoming anti-cancer drug resistance. Furthermore, enhanced knowledge of the complex functions of arginine methylation and PRMTs in drug resistance will guide the future development of PRMT inhibitors and may help identify new clinical indications.
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Affiliation(s)
- Yongxia Zhu
- Department of Pharmacy, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of China, Chengdu 610041, China
| | - Tong Xia
- Department of Dermatology, The Affiliated Hospital, Southwest Medical University, Luzhou 646000, China
| | - Da-Qian Chen
- Department of Medicine Oncology, Shenzhen Longhua District Central Hospital, Shenzhen 518110, China
| | - Xia Xiong
- Department of Dermatology, The Affiliated Hospital, Southwest Medical University, Luzhou 646000, China
| | - Lihong Shi
- Department of Pharmacy, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of China, Chengdu 610041, China
| | - Yueqi Zuo
- Shaanxi Key Laboratory of Brain Disorders, Institute of Basic Translational Medicine, Xi'an Medical University, Xi'an 710021, China.
| | - Hongtao Xiao
- Department of Pharmacy, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of China, Chengdu 610041, China.
| | - Li Liu
- Department of Dermatology, The Affiliated Hospital, Southwest Medical University, Luzhou 646000, China.
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Stracker TH, Osagie OI, Escorcia FE, Citrin DE. Exploiting the DNA Damage Response for Prostate Cancer Therapy. Cancers (Basel) 2023; 16:83. [PMID: 38201511 PMCID: PMC10777950 DOI: 10.3390/cancers16010083] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 12/14/2023] [Accepted: 12/20/2023] [Indexed: 01/12/2024] Open
Abstract
Prostate cancers that progress despite androgen deprivation develop into castration-resistant prostate cancer, a fatal disease with few treatment options. In this review, we discuss the current understanding of prostate cancer subtypes and alterations in the DNA damage response (DDR) that can predispose to the development of prostate cancer and affect its progression. We identify barriers to conventional treatments, such as radiotherapy, and discuss the development of new therapies, many of which target the DDR or take advantage of recurring genetic alterations in the DDR. We place this in the context of advances in understanding the genetic variation and immune landscape of CRPC that could help guide their use in future treatment strategies. Finally, we discuss several new and emerging agents that may advance the treatment of lethal disease, highlighting selected clinical trials.
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Affiliation(s)
- Travis H. Stracker
- Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA; (O.I.O.); (F.E.E.); (D.E.C.)
| | - Oloruntoba I. Osagie
- Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA; (O.I.O.); (F.E.E.); (D.E.C.)
| | - Freddy E. Escorcia
- Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA; (O.I.O.); (F.E.E.); (D.E.C.)
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Deborah E. Citrin
- Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA; (O.I.O.); (F.E.E.); (D.E.C.)
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11
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Montenegro MF, Martí-Díaz R, Navarro A, Tolivia J, Sánchez-Del-Campo L, Cabezas-Herrera J, Rodríguez-López JN. Targeting protein methylation in pancreatic cancer cells results in KRAS signaling imbalance and inhibition of autophagy. Cell Death Dis 2023; 14:761. [PMID: 37996408 PMCID: PMC10667277 DOI: 10.1038/s41419-023-06288-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 11/02/2023] [Accepted: 11/07/2023] [Indexed: 11/25/2023]
Abstract
Pancreatic cancer cells with mutant KRAS require strong basal autophagy for viability and growth. Here, we observed that some processes that allow the maintenance of basal autophagy in pancreatic cancer cells are controlled by protein methylation. Thus, by maintaining the methylation status of proteins such as PP2A and MRAS, these cells can sustain their autophagic activity. Protein methylation disruption by a hypomethylating treatment (HMT), which depletes cellular S-adenosylmethionine levels while inducing S-adenosylhomocysteine accumulation, resulted in autophagy inhibition and endoplasmic reticulum stress-induced apoptosis in pancreatic cancer cells. We observed that by reducing the membrane localization of MRAS, hypomethylation conditions produced an imbalance in KRAS signaling, resulting in the partial inactivation of ERK and hyperactivation of the PI3K/AKT-mTORC1 pathway. Interestingly, HMT impeded CRAF activation by disrupting the ternary SHOC2 complex (SHOC2/MRAS/PP1), which functions as a CRAF-S259 holophosphatase. The demethylation events that resulted in PP2A inactivation also favored autophagy inhibition by preventing ULK1 activation while restoring the cytoplasmic retention of the MiT/TFE transcription factors. Since autophagy provides pancreatic cancer cells with metabolic plasticity to cope with various metabolic stress conditions, while at the same time promoting their pathogenesis and resistance to KRAS pathway inhibitors, this hypomethylating treatment could represent a therapeutic opportunity for pancreatic adenocarcinomas.
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Affiliation(s)
- María F Montenegro
- Department of Biochemistry and Molecular Biology A, School of Biology, University of Murcia, Instituto Murciano de Investigación Biosanitaria (IMIB), Murcia, Spain.
| | - Román Martí-Díaz
- Department of Biochemistry and Molecular Biology A, School of Biology, University of Murcia, Instituto Murciano de Investigación Biosanitaria (IMIB), Murcia, Spain
| | - Ana Navarro
- Departamento de Morfología y Biología Celular, Universidad de Oviedo, Grupo GECYEN del Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Asturias, Spain
| | - Jorge Tolivia
- Departamento de Morfología y Biología Celular, Universidad de Oviedo, Grupo GECYEN del Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Asturias, Spain
| | - Luis Sánchez-Del-Campo
- Department of Biochemistry and Molecular Biology A, School of Biology, University of Murcia, Instituto Murciano de Investigación Biosanitaria (IMIB), Murcia, Spain
| | - Juan Cabezas-Herrera
- Molecular Therapy and Biomarkers Research Group, University Hospital Virgen de la Arrixaca, IMIB, Murcia, Spain
| | - José Neptuno Rodríguez-López
- Department of Biochemistry and Molecular Biology A, School of Biology, University of Murcia, Instituto Murciano de Investigación Biosanitaria (IMIB), Murcia, Spain.
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12
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Yin S, Liu L, Gan W. PRMT1 and PRMT5: on the road of homologous recombination and non-homologous end joining. GENOME INSTABILITY & DISEASE 2023; 4:197-209. [PMID: 37663901 PMCID: PMC10470524 DOI: 10.1007/s42764-022-00095-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Accepted: 11/28/2022] [Indexed: 09/05/2023]
Abstract
DNA double-strand breaks (DSBs) are widely accepted to be the most deleterious form of DNA lesions that pose a severe threat to genome integrity. Two predominant pathways are responsible for repair of DSBs, homologous recombination (HR) and non-homologous end-joining (NHEJ). HR relies on a template to faithfully repair breaks, while NHEJ is a template-independent and error-prone repair mechanism. Multiple layers of regulation have been documented to dictate the balance between HR and NHEJ, such as cell cycle and post-translational modifications (PTMs). Arginine methylation is one of the most common PTMs, which is catalyzed by protein arginine methyltransferases (PRMTs). PRMT1 and PRMT5 are the predominate PRMTs that promote asymmetric dimethylarginine and symmetric dimethylarginine, respectively. They have emerged to be crucial regulators of DNA damage repair. In this review, we summarize current understanding and unaddressed questions of PRMT1 and PRMT5 in regulation of HR and NHEJ, providing insights into their roles in DSB repair pathway choice and the potential of targeting them for cancer therapy.
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Affiliation(s)
- Shasha Yin
- Department of Biochemistry and Molecular Biology, Hollings Cancer Center, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Liu Liu
- Department of Biochemistry and Molecular Biology, Hollings Cancer Center, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Wenjian Gan
- Department of Biochemistry and Molecular Biology, Hollings Cancer Center, Medical University of South Carolina, Charleston, SC 29425, USA
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13
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Li ASM, Homsi C, Bonneil E, Thibault P, Verreault A, Vedadi M. Histone H4K20 monomethylation enables recombinant nucleosome methylation by PRMT1 in vitro. BIOCHIMICA ET BIOPHYSICA ACTA. GENE REGULATORY MECHANISMS 2023; 1866:194922. [PMID: 36822575 DOI: 10.1016/j.bbagrm.2023.194922] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 02/10/2023] [Accepted: 02/13/2023] [Indexed: 02/23/2023]
Abstract
Protein arginine methyltransferases (PRMTs) catalyze the transfer of methyl groups to specific arginine residues of histones and nonhistone proteins. There are nine members in the PRMT family (PRMT1 to PRMT9), and PRMT1 is a dominant member catalyzing majority of arginine methylation in the cell. However, none of the PRMTs is active with recombinant nucleosome as substrate in vitro. Here, we report the discovery of the first in class novel crosstalk between histone H4 lysine 20 (H4K20) monomethylation on nucleosome by SETD8 and histone H4 arginine 3 (H4R3) methylation by PRMT1 in vitro. Full kinetic characterization and mass spectrometry analysis indicated that PRMT1 is only active with recombinant nucleosomes monomethylated at H4K20 by SETD8. These data suggests that the level of activity of PRMT1 could potentially be regulated selectively by SETD8 in various pathways, providing a new approach for discovery of selective regulators of PRMT1 activity.
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Affiliation(s)
- Alice Shi Ming Li
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, Ontario M5S 1A8, Canada; Drug Discovery Program, Ontario Institute for Cancer Research, Toronto, Ontario, Canada; Structural Genomics Consortium, University of Toronto, Toronto, Ontario M5G 1L7, Canada
| | - Charles Homsi
- Institute for Research in Immunology and Cancer (IRIC), Université de Montréal, Montréal, Quebec H3C 3J7, Canada
| | - Eric Bonneil
- Institute for Research in Immunology and Cancer (IRIC), Université de Montréal, Montréal, Quebec H3C 3J7, Canada
| | - Pierre Thibault
- Institute for Research in Immunology and Cancer (IRIC), Université de Montréal, Montréal, Quebec H3C 3J7, Canada; Department of Chemistry, Université de Montréal, Montréal, Quebec H3C 3J7, Canada
| | - Alain Verreault
- Institute for Research in Immunology and Cancer (IRIC), Université de Montréal, Montréal, Quebec H3C 3J7, Canada; Département de Pathologie et Biologie Cellulaire, Université de Montréal, QC, Canada
| | - Masoud Vedadi
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, Ontario M5S 1A8, Canada; Drug Discovery Program, Ontario Institute for Cancer Research, Toronto, Ontario, Canada; Structural Genomics Consortium, University of Toronto, Toronto, Ontario M5G 1L7, Canada.
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14
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Choi E, Mun GI, Lee J, Lee H, Cho J, Lee YS. BRCA1 deficiency in triple-negative breast cancer: Protein stability as a basis for therapy. Biomed Pharmacother 2023; 158:114090. [PMID: 36493696 DOI: 10.1016/j.biopha.2022.114090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 11/24/2022] [Accepted: 12/02/2022] [Indexed: 12/12/2022] Open
Abstract
Mutations in breast cancer-associated 1 (BRCA1) increase the lifetime risk of developing breast cancer by up to 51% over the risk of the general population. Many aspects of this multifunctional protein have been revealed, including its essential role in homologous recombination repair, E3 ubiquitin ligase activity, transcriptional regulation, and apoptosis. Although most studies have focused on BRCA1 deficiency due to mutations, only a minority of patients carry BRCA1 mutations. A recent study has suggested an expanded definition of BRCA1 deficiency with reduced BRCA1 levels, which accounts for almost half of all triple-negative breast cancer (TNBC) patients. Reduced BRCA1 levels can result from epigenetic modifications or increased proteasomal degradation. In this review, we discuss how this knowledge of BRCA1 function and regulation of BRCA1 protein stability can help overcome the challenges encountered in the clinic and advance current treatment strategies for BRCA1-related breast cancer patients, especially focusing on TNBC.
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Affiliation(s)
- Eun Choi
- Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Gil-Im Mun
- Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Joohyun Lee
- Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Hanhee Lee
- Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Jaeho Cho
- Department of Radiation Oncology, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
| | - Yun-Sil Lee
- Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul 03760, Republic of Korea.
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15
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Brobbey C, Liu L, Yin S, Gan W. The Role of Protein Arginine Methyltransferases in DNA Damage Response. Int J Mol Sci 2022; 23:ijms23179780. [PMID: 36077176 PMCID: PMC9456308 DOI: 10.3390/ijms23179780] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 08/25/2022] [Accepted: 08/27/2022] [Indexed: 11/16/2022] Open
Abstract
In response to DNA damage, cells have developed a sophisticated signaling pathway, consisting of DNA damage sensors, transducers, and effectors, to ensure efficient and proper repair of damaged DNA. During this process, posttranslational modifications (PTMs) are central events that modulate the recruitment, dissociation, and activation of DNA repair proteins at damage sites. Emerging evidence reveals that protein arginine methylation is one of the common PTMs and plays critical roles in DNA damage response. Protein arginine methyltransferases (PRMTs) either directly methylate DNA repair proteins or deposit methylation marks on histones to regulate their transcription, RNA splicing, protein stability, interaction with partners, enzymatic activities, and localization. In this review, we summarize the substrates and roles of each PRMTs in DNA damage response and discuss the synergistic anticancer effects of PRMTs and DNA damage pathway inhibitors, providing insight into the significance of arginine methylation in the maintenance of genome integrity and cancer therapies.
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16
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Malbeteau L, Jacquemetton J, Languilaire C, Corbo L, Le Romancer M, Poulard C. PRMT1, a Key Modulator of Unliganded Progesterone Receptor Signaling in Breast Cancer. Int J Mol Sci 2022; 23:9509. [PMID: 36076907 PMCID: PMC9455263 DOI: 10.3390/ijms23179509] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 08/15/2022] [Accepted: 08/18/2022] [Indexed: 11/16/2022] Open
Abstract
The progesterone receptor (PR) is a key player in major physiological and pathological responses in women, and the signaling pathways triggered following hormone binding have been extensively studied, particularly with respect to breast cancer development and progression. Interestingly, growing evidence suggests a fundamental role for PR on breast cancer cell homeostasis in hormone-depleted conditions, with hormone-free or unliganded PR (uPR) involved in the silencing of relevant genes prior to hormonal stimulation. We herein identify the protein arginine methyltransferase PRMT1 as a novel actor in uPR signaling. In unstimulated T47D breast cancer cells, PRMT1 interacts and functions alongside uPR and its partners to target endogenous progesterone-responsive promoters. PRMT1 helps to finely tune the silencing of responsive genes, likely by promoting a proper BRCA1-mediated degradation and turnover of unliganded PR. As such, PRMT1 emerges as a key transcriptional coregulator of PR for a subset of relevant progestin-dependent genes before hormonal treatment. Since women experience periods of hormonal fluctuation throughout their lifetime, understanding how steroid receptor pathways in breast cancer cells are regulated when hormones decline may help to determine how to override treatment failure to hormonal therapy and improve patient outcome.
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Affiliation(s)
- Lucie Malbeteau
- Université Lyon 1, F-69000, Lyon, France
- Inserm U1052 CNRS UMR 5286, Cancer Research Center of Lyon, Centre Léon Bérard, F-69008 Lyon, France
| | - Julien Jacquemetton
- Université Lyon 1, F-69000, Lyon, France
- Inserm U1052 CNRS UMR 5286, Cancer Research Center of Lyon, Centre Léon Bérard, F-69008 Lyon, France
| | - Cécile Languilaire
- Université Lyon 1, F-69000, Lyon, France
- Inserm U1052 CNRS UMR 5286, Cancer Research Center of Lyon, Centre Léon Bérard, F-69008 Lyon, France
| | - Laura Corbo
- Université Lyon 1, F-69000, Lyon, France
- Inserm U1052 CNRS UMR 5286, Cancer Research Center of Lyon, Centre Léon Bérard, F-69008 Lyon, France
| | - Muriel Le Romancer
- Université Lyon 1, F-69000, Lyon, France
- Inserm U1052 CNRS UMR 5286, Cancer Research Center of Lyon, Centre Léon Bérard, F-69008 Lyon, France
| | - Coralie Poulard
- Université Lyon 1, F-69000, Lyon, France
- Inserm U1052 CNRS UMR 5286, Cancer Research Center of Lyon, Centre Léon Bérard, F-69008 Lyon, France
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17
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Carlos-Reyes A, Muñiz-Lino MA, Romero-Garcia S, López-Camarillo C, Hernández-de la Cruz ON. Biological Adaptations of Tumor Cells to Radiation Therapy. Front Oncol 2021; 11:718636. [PMID: 34900673 PMCID: PMC8652287 DOI: 10.3389/fonc.2021.718636] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 10/28/2021] [Indexed: 12/15/2022] Open
Abstract
Radiation therapy has been used worldwide for many decades as a therapeutic regimen for the treatment of different types of cancer. Just over 50% of cancer patients are treated with radiotherapy alone or with other types of antitumor therapy. Radiation can induce different types of cell damage: directly, it can induce DNA single- and double-strand breaks; indirectly, it can induce the formation of free radicals, which can interact with different components of cells, including the genome, promoting structural alterations. During treatment, radiosensitive tumor cells decrease their rate of cell proliferation through cell cycle arrest stimulated by DNA damage. Then, DNA repair mechanisms are turned on to alleviate the damage, but cell death mechanisms are activated if damage persists and cannot be repaired. Interestingly, some cells can evade apoptosis because genome damage triggers the cellular overactivation of some DNA repair pathways. Additionally, some surviving cells exposed to radiation may have alterations in the expression of tumor suppressor genes and oncogenes, enhancing different hallmarks of cancer, such as migration, invasion, and metastasis. The activation of these genetic pathways and other epigenetic and structural cellular changes in the irradiated cells and extracellular factors, such as the tumor microenvironment, is crucial in developing tumor radioresistance. The tumor microenvironment is largely responsible for the poor efficacy of antitumor therapy, tumor relapse, and poor prognosis observed in some patients. In this review, we describe strategies that tumor cells use to respond to radiation stress, adapt, and proliferate after radiotherapy, promoting the appearance of tumor radioresistance. Also, we discuss the clinical impact of radioresistance in patient outcomes. Knowledge of such cellular strategies could help the development of new clinical interventions, increasing the radiosensitization of tumor cells, improving the effectiveness of these therapies, and increasing the survival of patients.
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Affiliation(s)
- Angeles Carlos-Reyes
- Department of Chronic-Degenerative Diseases, National Institute of Respiratory Diseases “Ismael Cosío Villegas”, Mexico City, Mexico
| | - Marcos A. Muñiz-Lino
- Laboratorio de Patología y Medicina Bucal, Universidad Autónoma Metropolitana Unidad Xochimilco, Mexico City, Mexico
| | - Susana Romero-Garcia
- Department of Chronic-Degenerative Diseases, National Institute of Respiratory Diseases “Ismael Cosío Villegas”, Mexico City, Mexico
| | - César López-Camarillo
- Posgrado en Ciencias Genómicas, Universidad Autónoma de la Ciudad de México, Mexico, Mexico City
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18
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Li Z, Wang D, Chen X, Wang W, Wang P, Hou P, Li M, Chu S, Qiao S, Zheng J, Bai J. PRMT1-mediated EZH2 methylation promotes breast cancer cell proliferation and tumorigenesis. Cell Death Dis 2021; 12:1080. [PMID: 34775498 PMCID: PMC8590688 DOI: 10.1038/s41419-021-04381-5] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 10/22/2021] [Accepted: 11/03/2021] [Indexed: 01/02/2023]
Abstract
Protein arginine methyltransferase 1 (PRMT1) is able to promote breast cancer cell proliferation. However, the detailed mechanisms of PRMT1-mediated breast cancer cell proliferation are largely unknown. In this study, we reveal that PRMT1-mediated methylation of EZH2 at the R342 site (meR342-EZH2) has a great effect on PRMT1-induced cell proliferation. We also demonstrate that meR342-EZH2 can accelerate breast cancer cell proliferation in vitro and in vivo. Further, we show that meR342-EZH2 promotes cell cycle progression by repressing P16 and P21 transcription expression. In terms of mechanism, we illustrate that meR342-EZH2 facilitates EZH2 binding with SUZ12 and PRC2 assembly by preventing AMPKα1-mediated phosphorylation of pT311-EZH2, which results in suppression of P16 and P21 transcription by enhancing EZH2 expression and H3K27me3 enrichment at P16 and P21 promoters. Finally, we validate that the expression of PRMT1 and meR342-EZH2 is negatively correlated with pT311-EZH2 expression. Our findings suggest that meR342-EZH2 may become a novel therapeutic target for the treatment of breast cancer.
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Affiliation(s)
- Zhongwei Li
- Cancer Institute, Xuzhou Medical University, Xuzhou, Jiangsu, China
- Center of Clinical Oncology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Diandian Wang
- Cancer Institute, Xuzhou Medical University, Xuzhou, Jiangsu, China
- Intensive Care Unit, The Second Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Xintian Chen
- Cancer Institute, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Wenwen Wang
- Cancer Institute, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Pengfei Wang
- Cancer Institute, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Pingfu Hou
- Cancer Institute, Xuzhou Medical University, Xuzhou, Jiangsu, China
- Center of Clinical Oncology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Minle Li
- Cancer Institute, Xuzhou Medical University, Xuzhou, Jiangsu, China
- Center of Clinical Oncology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Sufang Chu
- Cancer Institute, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Shuxi Qiao
- Cancer Institute, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Junnian Zheng
- Cancer Institute, Xuzhou Medical University, Xuzhou, Jiangsu, China.
- Center of Clinical Oncology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China.
| | - Jin Bai
- Cancer Institute, Xuzhou Medical University, Xuzhou, Jiangsu, China.
- Center of Clinical Oncology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China.
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19
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PRMT1 Confers Resistance to Olaparib via Modulating MYC Signaling in Triple-Negative Breast Cancer. J Pers Med 2021; 11:jpm11101009. [PMID: 34683150 PMCID: PMC8539542 DOI: 10.3390/jpm11101009] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 09/28/2021] [Accepted: 09/29/2021] [Indexed: 12/22/2022] Open
Abstract
Treatment of triple-negative breast cancer (TNBC) remains an unmet clinical need owing to its lack of an efficient therapeutic target. The targeting of DNA repair by poly(ADP-ribose) polymerase (PARP) inhibitors has shown benefit for patients with the BRCA variation. However, sensitivities to the PARP inhibitors were reported regardless of BRCA status. Thus, exploring the underlying mechanisms is imperative. Herein, we identified that breast cancer cells with an elevated expression of protein arginine methyl transferase 1 (PRMT1) was associated with therapeutic sensitivity to the PARP inhibitor olaparib. The results of cell viability and colony formation assays indicated that the suppression of PRMT1 by small hairpin RNA or by the chemical inhibitor increased sensitivity to olaparib in human TNBC MDA-MB-231 and BT549 cells. Bioinformatic analysis revealed that PRMT1 expression was significantly associated with the MYC signature, and TNBC cells with higher PRMT1 and the MYC signature were associated with therapeutic sensitivity to olaparib. Mechanistic studies further demonstrated that knockdown of PRMT1 reduced the c-Myc protein level and downregulated the expression of MYC downstream targets, whereas overexpression of PRMT1 enhanced c-Myc protein expression. Moreover, the overexpression of PRMT1 promoted c-Myc protein stability, and the inhibition of PRMT1 downregulated c-Myc protein stability. Accordingly, the knockdown of PRMT1 inhibited homologous recombination gene expression. These data indicate that PRMT1 is instrumental in regulating DNA repair, at least in part, by modulating c-Myc signaling. Our data highlighted the PRMT1/c-Myc network as a potential therapeutic target in patients with TNBC.
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20
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Repenning A, Happel D, Bouchard C, Meixner M, Verel‐Yilmaz Y, Raifer H, Holembowski L, Krause E, Kremmer E, Feederle R, Keber CU, Lohoff M, Slater EP, Bartsch DK, Bauer U. PRMT1 promotes the tumor suppressor function of p14 ARF and is indicative for pancreatic cancer prognosis. EMBO J 2021; 40:e106777. [PMID: 33999432 PMCID: PMC8246066 DOI: 10.15252/embj.2020106777] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2020] [Revised: 03/31/2021] [Accepted: 04/01/2021] [Indexed: 12/04/2022] Open
Abstract
The p14ARF protein is a well-known regulator of p53-dependent and p53-independent tumor-suppressive activities. In unstressed cells, p14ARF is predominantly sequestered in the nucleoli, bound to its nucleolar interaction partner NPM. Upon genotoxic stress, p14ARF undergoes an immediate redistribution to the nucleo- and cytoplasm, where it promotes activation of cell cycle arrest and apoptosis. Here, we identify p14ARF as a novel interaction partner and substrate of PRMT1 (protein arginine methyltransferase 1). PRMT1 methylates several arginine residues in the C-terminal nuclear/nucleolar localization sequence (NLS/NoLS) of p14ARF . In the absence of cellular stress, these arginines are crucial for nucleolar localization of p14ARF . Genotoxic stress causes augmented interaction between PRMT1 and p14ARF , accompanied by arginine methylation of p14ARF . PRMT1-dependent NLS/NoLS methylation promotes the release of p14ARF from NPM and nucleolar sequestration, subsequently leading to p53-independent apoptosis. This PRMT1-p14ARF cooperation is cancer-relevant and indicative for PDAC (pancreatic ductal adenocarcinoma) prognosis and chemotherapy response of pancreatic tumor cells. Our data reveal that PRMT1-mediated arginine methylation is an important trigger for p14ARF 's stress-induced tumor-suppressive function.
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Affiliation(s)
- Antje Repenning
- Institute for Molecular Biology and Tumor Research (IMT)Philipps‐University MarburgMarburgGermany
| | - Daniela Happel
- Institute for Molecular Biology and Tumor Research (IMT)Philipps‐University MarburgMarburgGermany
| | - Caroline Bouchard
- Institute for Molecular Biology and Tumor Research (IMT)Philipps‐University MarburgMarburgGermany
| | - Marion Meixner
- Institute for Molecular Biology and Tumor Research (IMT)Philipps‐University MarburgMarburgGermany
| | - Yesim Verel‐Yilmaz
- Department of VisceralThoracic and Vascular SurgeryUniversity Hospital MarburgPhilipps‐University MarburgMarburgGermany
| | - Hartmann Raifer
- Core Facility Flow CytometryUniversity Hospital MarburgPhilipps‐University MarburgMarburgGermany
- Institute for Med. Microbiology & Hospital HygieneUniversity Hospital MarburgPhilipps‐University MarburgMarburgGermany
| | - Lena Holembowski
- Institute for Molecular Biology and Tumor Research (IMT)Philipps‐University MarburgMarburgGermany
| | | | - Elisabeth Kremmer
- Institute of Molecular ImmunologyHelmholtz Zentrum MünchenGerman Research Center for Environmental HealthMünchenGermany
| | - Regina Feederle
- Monoclonal Antibody Core FacilityInstitute for Diabetes and ObesityHelmholtz Zentrum MünchenGerman Research Center for Environmental HealthNeuherbergGermany
| | - Corinna U Keber
- Institute for PathologyUniversity Hospital MarburgPhilipps‐University MarburgMarburgGermany
| | - Michael Lohoff
- Institute for Med. Microbiology & Hospital HygieneUniversity Hospital MarburgPhilipps‐University MarburgMarburgGermany
| | - Emily P Slater
- Department of VisceralThoracic and Vascular SurgeryUniversity Hospital MarburgPhilipps‐University MarburgMarburgGermany
| | - Detlef K Bartsch
- Department of VisceralThoracic and Vascular SurgeryUniversity Hospital MarburgPhilipps‐University MarburgMarburgGermany
| | - Uta‐Maria Bauer
- Institute for Molecular Biology and Tumor Research (IMT)Philipps‐University MarburgMarburgGermany
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21
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Wu Y, Liu H, Gong Y, Zhang B, Chen W. ANKRD22 enhances breast cancer cell malignancy by activating the Wnt/β-catenin pathway via modulating NuSAP1 expression. Bosn J Basic Med Sci 2021; 21:294-304. [PMID: 32651974 PMCID: PMC8112564 DOI: 10.17305/bjbms.2020.4701] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Accepted: 06/11/2020] [Indexed: 02/07/2023] Open
Abstract
Breast cancer is one of the most prevalent malignancies in women worldwide. Although great advancements have been achieved in the diagnosis and treatment of breast cancer, the prognosis of patients with breast cancer is still poor due to distal recurrence and metastasis after surgery. This study aimed to assess the role of ankyrin repeat domain 22 (ANKRD22) in the progression of breast cancer and investigate the molecular mechanism. Using immunohistochemistry, we demonstrated that the expression level of ANKRD22 in human breast cancer tissues was significantly higher than that in normal breast tissues. ANKRD22 knockdown inhibited the proliferation, invasion, and epithelial-mesenchymal transition (EMT) of breast cancer cells, as confirmed by BrdU, colony formation, transwell, and immunoblot assays. Immunoblot assays further indicated that ANKRD22 regulated the expression of nucleolar and spindle-associated protein 1 (NuSAP1) and then caused the activation of Wnt/β-catenin signaling pathway. Moreover, overexpression of NUSAP1 reversed the inhibitory effects of ANKRD22 knockdown on the proliferation, invasion, and EMT of breast cancer cells. In summary, this study demonstrated that ANKRD22 enhanced breast cancer cell malignancy by activating the Wnt/β-catenin pathway via modulating NuSAP1 expression, which might shed light on new therapeutic approaches for breast cancer.
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Affiliation(s)
- Yange Wu
- Department of Pathology, Pingshan District People's Hospital of Shenzhen, Pingshan General Hospital of Southern Medical University, Shenzhen, China
| | - Hongxia Liu
- Department of Pathology, Pingshan District People's Hospital of Shenzhen, Pingshan General Hospital of Southern Medical University, Shenzhen, China
| | - Yufeng Gong
- Department of Pathology, Pingshan District People's Hospital of Shenzhen, Pingshan General Hospital of Southern Medical University, Shenzhen, China
| | - Bo Zhang
- Department of Pathology, Pingshan District People's Hospital of Shenzhen, Pingshan General Hospital of Southern Medical University, Shenzhen, China
| | - Wenxiu Chen
- Department of Pathology, Pingshan District People's Hospital of Shenzhen, Pingshan General Hospital of Southern Medical University, Shenzhen, China
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22
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Cheng C, Pei X, Li SW, Yang J, Li C, Tang J, Hu K, Huang G, Min WP, Sang Y. CRISPR/Cas9 library screening uncovered methylated PKP2 as a critical driver of lung cancer radioresistance by stabilizing β-catenin. Oncogene 2021; 40:2842-2857. [PMID: 33742119 DOI: 10.1038/s41388-021-01692-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Revised: 01/18/2021] [Accepted: 01/29/2021] [Indexed: 01/31/2023]
Abstract
Radiation resistance is a major cause of lung cancer treatment failure. Armadillo (ARM) superfamily proteins participate in various fundamental cellular processes; however, whether ARM proteins regulate radiation resistance is not fully understood. Here, we used an unbiased CRISPR/Cas9 library screen and identified plakophilin 2 (PKP2), a member of the ARM superfamily of proteins, as a critical driver of radiation resistance in lung cancer. The PKP2 level was significantly higher after radiotherapy than before radiotherapy, and high PKP2 expression after radiotherapy predicted poor overall survival (OS) and postprogression survival (PPS). Mechanistically, mass spectrometry analysis identified that PKP2 was methylated at the arginine site and interacted with protein arginine methyltransferase 1 (PRMT1). Methylation of PKP2 by PRMT1 stabilized β-catenin by recruiting USP7, further inducing LIG4, a key DNA ligase in nonhomologous end-joining (NHEJ) repair. Concomitantly, PKP2-induced radioresistance depended on facilitating LIG4-mediated NHEJ repair in lung cancer. More strikingly, after exposure to irradiation, treatment with the PRMT1 inhibitor C-7280948 abolished PKP2-induced radioresistance, and C-7280948 is a potential radiosensitizer in lung cancer. In summary, our results demonstrate that targeting the PRMT1/PKP2/β-catenin/LIG4 pathway is an effective approach to overcome radiation resistance in lung cancer.
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Affiliation(s)
- Chun Cheng
- Jiangxi Key Laboratory of Cancer Metastasis and Precision Treatment, Department of Center Laboratory, The Third Affiliated Hospital of Nanchang University, Nanchang, China
| | - Xiaofeng Pei
- Department of Thoracic Oncology, The Cancer Center of the Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, Guangdong, China
| | - Si-Wei Li
- Department of Oncology, Tongji Huangzhou Hospital of Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Jun Yang
- Jiangxi Key Laboratory of Cancer Metastasis and Precision Treatment, Department of Center Laboratory, The Third Affiliated Hospital of Nanchang University, Nanchang, China
| | - Chenxi Li
- Jiangxi Key Laboratory of Cancer Metastasis and Precision Treatment, Department of Center Laboratory, The Third Affiliated Hospital of Nanchang University, Nanchang, China
| | - Jianjun Tang
- Department of Respiratory, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Kaishun Hu
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Guofu Huang
- Jiangxi Key Laboratory of Cancer Metastasis and Precision Treatment, Department of Center Laboratory, The Third Affiliated Hospital of Nanchang University, Nanchang, China
| | - Wei-Ping Min
- Department of Surgery, Pathology and Oncology, University of Western Ontario, London, ON, Canada
| | - Yi Sang
- Jiangxi Key Laboratory of Cancer Metastasis and Precision Treatment, Department of Center Laboratory, The Third Affiliated Hospital of Nanchang University, Nanchang, China.
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