1
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Chen J, Qi D, Hu H, Wang X, Lin W. Unconventional posttranslational modification in innate immunity. Cell Mol Life Sci 2024; 81:290. [PMID: 38970666 DOI: 10.1007/s00018-024-05319-8] [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: 03/27/2024] [Revised: 06/11/2024] [Accepted: 06/13/2024] [Indexed: 07/08/2024]
Abstract
Pattern recognition receptors (PRRs) play a crucial role in innate immunity, and a complex network tightly controls their signaling cascades to maintain immune homeostasis. Within the modification network, posttranslational modifications (PTMs) are at the core of signaling cascades. Conventional PTMs, which include phosphorylation and ubiquitination, have been extensively studied. The regulatory role of unconventional PTMs, involving unanchored ubiquitination, ISGylation, SUMOylation, NEDDylation, methylation, acetylation, palmitoylation, glycosylation, and myristylation, in the modulation of innate immune signaling pathways has been increasingly investigated. This comprehensive review delves into the emerging field of unconventional PTMs and highlights their pivotal role in innate immunity.
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Affiliation(s)
- Jiaxi Chen
- The Second Affiliated Hospital and Institute of Immunology, Zhejiang University School of Medicine, Hangzhou, 310058, Zhejiang, China
| | - Dejun Qi
- The Second Affiliated Hospital and Institute of Immunology, Zhejiang University School of Medicine, Hangzhou, 310058, Zhejiang, China
| | - Haorui Hu
- The Second Affiliated Hospital and Institute of Immunology, Zhejiang University School of Medicine, Hangzhou, 310058, Zhejiang, China
| | - Xiaojian Wang
- Institute of Immunology and Bone Marrow Transplantation Center, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310003, China.
| | - Wenlong Lin
- The Second Affiliated Hospital and Institute of Immunology, Zhejiang University School of Medicine, Hangzhou, 310058, Zhejiang, China.
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2
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Li Y, Zhao D, Chen D, Sun Q. Targeting protein condensation in cGAS-STING signaling pathway. Bioessays 2024:e2400091. [PMID: 38962845 DOI: 10.1002/bies.202400091] [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: 04/13/2024] [Revised: 06/10/2024] [Accepted: 06/12/2024] [Indexed: 07/05/2024]
Abstract
The cGAS-STING signaling pathway plays a pivotal role in sensing cytosolic DNA and initiating innate immune responses against various threats, with disruptions in this pathway being associated with numerous immune-related disorders. Therefore, precise regulation of the cGAS-STING signaling is crucial to ensure appropriate immune responses. Recent research, including ours, underscores the importance of protein condensation in driving the activation and maintenance of innate immune signaling within the cGAS-STING pathway. Consequently, targeting condensation processes in this pathway presents a promising approach for modulating the cGAS-STING signaling and potentially managing associated disorders. In this review, we provide an overview of recent studies elucidating the role and regulatory mechanism of protein condensation in the cGAS-STING signaling pathway while emphasizing its pathological implications. Additionally, we explore the potential of understanding and manipulating condensation dynamics to develop novel strategies for mitigating cGAS-STING-related disorders in the future.
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Affiliation(s)
- Yajie Li
- Institute of Biomedical Research, Yunnan University, Kunming, China
| | - Dongbo Zhao
- Institute of Biomedical Research, Yunnan University, Kunming, China
| | - Dahua Chen
- Institute of Biomedical Research, Yunnan University, Kunming, China
- Southwest United Graduate School, Kunming, China
| | - Qinmiao Sun
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
- Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, China
- Key Laboratory of Organ Regeneration and Reconstruction, Beijing, China
- School of Life Sciences, University of Chinese Academy of Sciences, Beijing, China
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3
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Hoang PM, Torre D, Jaynes P, Ho J, Mohammed K, Alvstad E, Lam WY, Khanchandani V, Lee JM, Toh CMC, Lee RX, Anbuselvan A, Lee S, Sebra RP, Martin J Walsh, Marazzi I, Kappei D, Guccione E, Jeyasekharan AD. A PRMT5-ZNF326 axis mediates innate immune activation upon replication stress. SCIENCE ADVANCES 2024; 10:eadm9589. [PMID: 38838142 DOI: 10.1126/sciadv.adm9589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 04/25/2024] [Indexed: 06/07/2024]
Abstract
DNA replication stress (RS) is a widespread phenomenon in carcinogenesis, causing genomic instability and extensive chromatin alterations. DNA damage leads to activation of innate immune signaling, but little is known about transcriptional regulators mediating such signaling upon RS. Using a chemical screen, we identified protein arginine methyltransferase 5 (PRMT5) as a key mediator of RS-dependent induction of interferon-stimulated genes (ISGs). This response is also associated with reactivation of endogenous retroviruses (ERVs). Using quantitative mass spectrometry, we identify proteins with PRMT5-dependent symmetric dimethylarginine (SDMA) modification induced upon RS. Among these, we show that PRMT5 targets and modulates the activity of ZNF326, a zinc finger protein essential for ISG response. Our data demonstrate a role for PRMT5-mediated SDMA in the context of RS-induced transcriptional induction, affecting physiological homeostasis and cancer therapy.
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Affiliation(s)
- Phuong Mai Hoang
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Denis Torre
- Center for OncoGenomics and Innovative Therapeutics (COGIT), Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- Department of Genetic and Genomics Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Patrick Jaynes
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Jessica Ho
- Programme in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore, Singapore
| | - Kevin Mohammed
- Center for OncoGenomics and Innovative Therapeutics (COGIT), Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- Department of Genetic and Genomics Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- Department of Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Erik Alvstad
- Department of Biological Chemistry, University of California Irvine, Irvine, CA 92697, USA
- Center for Epigenetics and Metabolism, University of California Irvine, Irvine, CA 92697, USA
| | - Wan Yee Lam
- Department of Genetic and Genomics Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- Department of Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Vartika Khanchandani
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Jie Min Lee
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Chin Min Clarissa Toh
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Rui Xue Lee
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Akshaya Anbuselvan
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Sukchan Lee
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, South Korea
| | - Robert P Sebra
- Department of Genetic and Genomics Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Martin J Walsh
- Department of Genetic and Genomics Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- Department of Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Ivan Marazzi
- Department of Biological Chemistry, University of California Irvine, Irvine, CA 92697, USA
- Center for Epigenetics and Metabolism, University of California Irvine, Irvine, CA 92697, USA
| | - Dennis Kappei
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- NUS Centre for Cancer Research, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Ernesto Guccione
- Center for OncoGenomics and Innovative Therapeutics (COGIT), Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- Department of Genetic and Genomics Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- Department of Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Anand D Jeyasekharan
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
- NUS Centre for Cancer Research, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Department of Haematology-Oncology, National University Hospital, Singapore, Singapore
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
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4
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Ma D, Yang M, Sun C, Cui X, Xiong G, Wang Q, Jing W, Chen H, Lv X, Liu S, Li T, Zhao Y, Han L. cGAS suppresses hepatocellular carcinoma independent of its cGAMP synthase activity. Cell Death Differ 2024; 31:722-737. [PMID: 38594443 PMCID: PMC11164996 DOI: 10.1038/s41418-024-01291-9] [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: 05/26/2023] [Revised: 03/25/2024] [Accepted: 04/02/2024] [Indexed: 04/11/2024] Open
Abstract
Cyclic GMP-AMP synthase (cGAS) is a key innate immune sensor that recognizes cytosolic DNA to induce immune responses against invading pathogens. The role of cGAS is conventionally recognized as a nucleotidyltransferase to catalyze the synthesis of cGAMP upon recognition of cytosolic DNA, which leads to the activation of STING and production of type I/III interferon to fight against the pathogen. However, given that hepatocytes are lack of functional STING expression, it is intriguing to define the role of cGAS in hepatocellular carcinoma (HCC), the liver parenchymal cells derived malignancy. In this study, we revealed that cGAS was significantly downregulated in clinical HCC tissues, and its dysregulation contributed to the progression of HCC. We further identified cGAS as an immune tyrosine inhibitory motif (ITIM) containing protein, and demonstrated that cGAS inhibited the progression of HCC and increased the response of HCC to sorafenib treatment by suppressing PI3K/AKT/mTORC1 pathway in cellular and animal models. Mechanistically, cGAS recruits SH2-containing tyrosine phosphatase 1 (SHP1) via ITIM, and dephosphorylates p85 in phosphatidylinositol 3-kinase (PI3K), which leads to the suppression of AKT-mTORC1 pathway. Thus, cGAS is identified as a novel tumor suppressor in HCC via its function independent of its conventional role as cGAMP synthase, which indicates a novel therapeutic strategy for advanced HCC by modulating cGAS signaling.
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Affiliation(s)
- Dapeng Ma
- Shandong Provincial Key Laboratory of Infection & Immunology, Department of Immunology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
- School of Clinical and Basic Medical Sciences, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, China
- Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, China
| | - Min Yang
- Shandong Provincial Key Laboratory of Infection & Immunology, Department of Immunology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Caiyu Sun
- Shandong Provincial Key Laboratory of Infection & Immunology, Department of Immunology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Xiuling Cui
- Shandong Provincial Key Laboratory of Infection & Immunology, Department of Immunology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Gaozhong Xiong
- Shandong Provincial Key Laboratory of Infection & Immunology, Department of Immunology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Qiushi Wang
- Department of Critical Care Medicine, the First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, China
| | - Weiqiang Jing
- Department of Urology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Haiqiang Chen
- Shandong Provincial Key Laboratory of Infection & Immunology, Department of Immunology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Xiaoting Lv
- Shandong Provincial Key Laboratory of Infection & Immunology, Department of Immunology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Shili Liu
- Department of Microbiology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Tao Li
- Department of Infectious Diseases, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Yunxue Zhao
- Department of Pharmacology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Lihui Han
- Shandong Provincial Key Laboratory of Infection & Immunology, Department of Immunology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China.
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5
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Zhou Z, Huang S, Fan F, Xu Y, Moore C, Li S, Han C. The multiple faces of cGAS-STING in antitumor immunity: prospects and challenges. MEDICAL REVIEW (2021) 2024; 4:173-191. [PMID: 38919400 PMCID: PMC11195429 DOI: 10.1515/mr-2023-0061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 03/28/2024] [Indexed: 06/27/2024]
Abstract
As a key sensor of double-stranded DNA (dsDNA), cyclic GMP-AMP synthase (cGAS) detects cytosolic dsDNA and initiates the synthesis of 2'3' cyclic GMP-AMP (cGAMP) that activates the stimulator of interferon genes (STING). This finally promotes the production of type I interferons (IFN-I) that is crucial for bridging innate and adaptive immunity. Recent evidence show that several antitumor therapies, including radiotherapy (RT), chemotherapy, targeted therapies and immunotherapies, activate the cGAS-STING pathway to provoke the antitumor immunity. In the last decade, the development of STING agonists has been a major focus in both basic research and the pharmaceutical industry. However, up to now, none of STING agonists have been approved for clinical use. Considering the broad expression of STING in whole body and the direct lethal effect of STING agonists on immune cells in the draining lymph node (dLN), research on the optimal way to activate STING in tumor microenvironment (TME) appears to be a promising direction. Moreover, besides enhancing IFN-I signaling, the cGAS-STING pathway also plays roles in senescence, autophagy, apoptosis, mitotic arrest, and DNA repair, contributing to tumor development and metastasis. In this review, we summarize the recent advances on cGAS-STING pathway's response to antitumor therapies and the strategies involving this pathway for tumor treatment.
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Affiliation(s)
- Zheqi Zhou
- Peking University International Cancer Institute, Peking University Cancer Hospital and Institute, Health Science Center, Peking University, Beijing, China
| | - Sanling Huang
- Peking University International Cancer Institute, Peking University Cancer Hospital and Institute, Health Science Center, Peking University, Beijing, China
| | - Fangying Fan
- Department of Interventional Ultrasound, Chinese PLA General Hospital, Beijing, China
| | - Yan Xu
- Peking University International Cancer Institute, Peking University Cancer Hospital and Institute, Health Science Center, Peking University, Beijing, China
| | - Casey Moore
- Departments of Immunology, Pathology, UT Southwestern Medical Center, Dallas, Texas, USA
| | - Sirui Li
- Department of Genetics, Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Chuanhui Han
- Peking University International Cancer Institute, Peking University Cancer Hospital and Institute, Health Science Center, Peking University, Beijing, China
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6
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Zhang H, Jiang L, Du X, Qian Z, Wu G, Jiang Y, Mao Z. The cGAS-Ku80 complex regulates the balance between two end joining subpathways. Cell Death Differ 2024; 31:792-803. [PMID: 38664591 PMCID: PMC11164703 DOI: 10.1038/s41418-024-01296-4] [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: 10/26/2023] [Revised: 04/09/2024] [Accepted: 04/11/2024] [Indexed: 06/12/2024] Open
Abstract
As the major DNA sensor that activates the STING-TBK1 signaling cascade, cGAS is mainly present in the cytosol. A number of recent reports have indicated that cGAS also plays critical roles in the nucleus. Our previous work demonstrated for the first time that cGAS is translocated to the nucleus upon the occurrence of DNA damage and inhibits homologous recombination (HR), one of the two major pathways of DNA double strand break (DSB) repair. However, whether nuclear cGAS regulates the other DSB repair pathway, nonhomologous end joining (NHEJ), which can be further divided into the less error-prone canonical NHEJ (c-NHEJ) and more mutagenic alternative NHEJ (alt-NHEJ) subpathways, has not been characterized. Here, we demonstrated that cGAS tipped the balance of the two NHEJ subpathways toward c-NHEJ. Mechanistically, the cGAS-Ku80 complex enhanced the interaction between DNA-PKcs and the deubiquitinase USP7 to improve DNA-PKcs protein stability, thereby promoting c-NHEJ. In contrast, the cGAS-Ku80 complex suppressed alt-NHEJ by directly binding to the promoter of Polθ to suppress its transcription. Together, these findings reveal a novel function of nuclear cGAS in regulating DSB repair, suggesting that the presence of cGAS in the nucleus is also important in the maintenance of genome integrity.
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Affiliation(s)
- Haiping Zhang
- Shanghai Key Laboratory of Maternal Fetal Medicine, Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Frontier Science Center for Stem Cell Research, School of Life Sciences and Technology, Tongji University, Shanghai, China
| | - Lijun Jiang
- Shanghai Key Laboratory of Maternal Fetal Medicine, Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Frontier Science Center for Stem Cell Research, School of Life Sciences and Technology, Tongji University, Shanghai, China
| | - Xinyi Du
- Department of Gynecology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Zhen Qian
- Shanghai Key Laboratory of Maternal Fetal Medicine, Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Frontier Science Center for Stem Cell Research, School of Life Sciences and Technology, Tongji University, Shanghai, China
| | - Guizhu Wu
- Department of Gynecology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, China.
| | - Ying Jiang
- Shanghai Key Laboratory of Maternal Fetal Medicine, Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Frontier Science Center for Stem Cell Research, School of Life Sciences and Technology, Tongji University, Shanghai, China.
| | - Zhiyong Mao
- Shanghai Key Laboratory of Maternal Fetal Medicine, Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Frontier Science Center for Stem Cell Research, School of Life Sciences and Technology, Tongji University, Shanghai, China.
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7
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Li Q, Wu P, Du Q, Hanif U, Hu H, Li K. cGAS-STING, an important signaling pathway in diseases and their therapy. MedComm (Beijing) 2024; 5:e511. [PMID: 38525112 PMCID: PMC10960729 DOI: 10.1002/mco2.511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 02/15/2024] [Accepted: 02/21/2024] [Indexed: 03/26/2024] Open
Abstract
Since cyclic guanosine monophosphate-adenosine monophosphate synthase (cGAS)-stimulator of interferon genes (STING) signaling pathway was discovered in 2013, great progress has been made to elucidate the origin, function, and regulating mechanism of cGAS-STING signaling pathway in the past decade. Meanwhile, the triggering and transduction mechanisms have been continuously illuminated. cGAS-STING plays a key role in human diseases, particularly DNA-triggered inflammatory diseases, making it a potentially effective therapeutic target for inflammation-related diseases. Here, we aim to summarize the ancient origin of the cGAS-STING defense mechanism, as well as the triggers, transduction, and regulating mechanisms of the cGAS-STING. We will also focus on the important roles of cGAS-STING signal under pathological conditions, such as infections, cancers, autoimmune diseases, neurological diseases, and visceral inflammations, and review the progress in drug development targeting cGAS-STING signaling pathway. The main directions and potential obstacles in the regulating mechanism research and therapeutic drug development of the cGAS-STING signaling pathway for inflammatory diseases and cancers will be discussed. These research advancements expand our understanding of cGAS-STING, provide a theoretical basis for further exploration of the roles of cGAS-STING in diseases, and open up new strategies for targeting cGAS-STING as a promising therapeutic intervention in multiple diseases.
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Affiliation(s)
- Qijie Li
- Sichuan province Medical and Engineering Interdisciplinary Research Center of Nursing & Materials/Nursing Key Laboratory of Sichuan ProvinceWest China Hospital, Sichuan University/West China School of NursingSichuan UniversityChengduSichuanChina
| | - Ping Wu
- Department of Occupational DiseasesThe Second Affiliated Hospital of Chengdu Medical College (China National Nuclear Corporation 416 Hospital)ChengduSichuanChina
| | - Qiujing Du
- Sichuan province Medical and Engineering Interdisciplinary Research Center of Nursing & Materials/Nursing Key Laboratory of Sichuan ProvinceWest China Hospital, Sichuan University/West China School of NursingSichuan UniversityChengduSichuanChina
| | - Ullah Hanif
- Sichuan province Medical and Engineering Interdisciplinary Research Center of Nursing & Materials/Nursing Key Laboratory of Sichuan ProvinceWest China Hospital, Sichuan University/West China School of NursingSichuan UniversityChengduSichuanChina
| | - Hongbo Hu
- Center for Immunology and HematologyState Key Laboratory of BiotherapyWest China Hospital, Sichuan UniversityChengduSichuanChina
| | - Ka Li
- Sichuan province Medical and Engineering Interdisciplinary Research Center of Nursing & Materials/Nursing Key Laboratory of Sichuan ProvinceWest China Hospital, Sichuan University/West China School of NursingSichuan UniversityChengduSichuanChina
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8
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Wang Z, Qiu H, Li Y, Zhao M, Liu R. GlPRMT5 inhibits GlPP2C1 via symmetric dimethylation and regulates the biosynthesis of secondary metabolites in Ganoderma lucidum. Commun Biol 2024; 7:241. [PMID: 38418849 PMCID: PMC10902306 DOI: 10.1038/s42003-024-05942-y] [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: 08/16/2023] [Accepted: 02/20/2024] [Indexed: 03/02/2024] Open
Abstract
PRMT5, a type II arginine methyltransferase, is involved in transcriptional regulation, RNA processing and other biological processes and signal transduction. Secondary metabolites are vital pharmacological compounds in Ganoderma lucidum, and their content is an important indicator for evaluating the quality of G. lucidum. Here, we found that GlPRMT5 negatively regulates the biosynthesis of secondary metabolites. In further in-depth research, GlPP2C1 (a type 2C protein phosphatase) was identified out as an interacting protein of GlPRMT5 by immunoprecipitation-mass spectrometry (IP-MS). Further mass spectrometry detection revealed that GlPRMT5 symmetrically dimethylates the arginine 99 (R99) and arginine 493 (R493) residues of GlPP2C1 to weaken its activity. The symmetrical dimethylation modification of the R99 residue is the key to affecting GlPP2C1 activity. Symmetrical demethylation-modified GlPP2C1 does not affect the interaction with GlPRMT5. In addition, silencing GlPP2C1 clearly reduced GA content, indicating that GlPP2C1 positively regulates the biosynthesis of secondary metabolites in G. lucidum. In summary, this study reveals the molecular mechanism by which GlPRMT5 regulates secondary metabolites, and these studies provide further insights into the target proteins of GlPRMT5 and symmetric dimethylation sites. Furthermore, these studies provide a basis for the mutual regulation between different epigenetic modifications.
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Affiliation(s)
- Zi Wang
- Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture and Rural Affairs; Microbiology Department, College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, P.R. China
| | - Hao Qiu
- Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture and Rural Affairs; Microbiology Department, College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, P.R. China
| | - Yefan Li
- Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture and Rural Affairs; Microbiology Department, College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, P.R. China
| | - Mingwen Zhao
- Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture and Rural Affairs; Microbiology Department, College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, P.R. China
| | - Rui Liu
- Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture and Rural Affairs; Microbiology Department, College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, P.R. China.
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9
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Khan MS, Khan SU, Khan SU, Suleman M, Shan Ahmad RU, Khan MU, Tayyeb JZ, Crovella S, Harlina PW, Saeed S. Cardiovascular diseases crossroads: cGAS-STING signaling and disease progression. Curr Probl Cardiol 2024; 49:102189. [PMID: 37956918 DOI: 10.1016/j.cpcardiol.2023.102189] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Accepted: 11/09/2023] [Indexed: 11/21/2023]
Abstract
It is now widely accepted that inflammation is critical in cardiovascular diseases (CVD). Here, studies are being conducted on how cyclic GMP-AMP synthase (cGAS), a component of innate immunity's DNA-sensing machinery, communicates with the STING receptor, which is involved in activating the immune system's antiviral response. Significantly, a growing body of research in recent years highlights the strong activation of the cGAS-STING signalling pathways in several cardiovascular diseases, such as myocardial infarction, heart failure, and myocarditis. This developing collection of research emphasises these pathways' crucial role in initiating and advancing cardiovascular disease. In this extensive narrative, we explore the role of the cGAS-STING pathway in the development of CVD. We elaborate on the basic mechanisms involved in the onset and progression of CVD. This review explores the most recent developments in the recognition and characterization of cGAS-STING pathway. Additionally, it considers the field's future prospects while examining how cGAS-STING pathway might be altered and its clinical applications for cardiovascular diseases.
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Affiliation(s)
- Muhammad Shehzad Khan
- Hong Kong Centre for Cerebro-Cardiovascular Health Engineering (COCHE), Shatin City, Hong Kong (HKSAR), PR China; Department of Physics, College of Science, City University of Hong Kong, Kowloon City, Hong Kong (HKSAR), PR China
| | - Shahid Ullah Khan
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City and Southwest University, College of Agronomy and Biotechnology, Southwest University, Chongqing 400715, PR China; Department of Biochemistry, Women Medical and Dental College, Khyber Medical University, Abbottabad, Khyber Pakhtunkhwa 22080, Pakistan.
| | - Safir Ullah Khan
- Hefei National Laboratory for Physical Sciences at the Microscale, School of Life Sciences, University of Science and Technology of China, Hefei 230027, PR China
| | - Muhammad Suleman
- Laboratory of Animal Research Center (LARC), Qatar University, Doha, Qatar; Center for Biotechnology and Microbiology, University of Swat, Swat, Pakistan
| | - Rafi U Shan Ahmad
- Department of Biomedical Engineering, City university of Hong Kong, Kowloon City, Hong Kong (HKSAR), PR China
| | - Munir Ullah Khan
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, International Research Center for X Polymers, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, PR China
| | - Jehad Zuhair Tayyeb
- Department of Clinical Biochemistry, College of Medicine, University of Jeddah, Jeddah 23890, Saudi Arabia
| | - Sergio Crovella
- Laboratory of Animal Research Center (LARC), Qatar University, Doha, Qatar
| | - Putri Widyanti Harlina
- Department of Food Industrial Technology, Faculty of Agro-Industrial Technology, Universitas Padjadjaran, Bandung 45363, Indonesia
| | - Sumbul Saeed
- School of Environment and Science, Griffith University, Nathan, QLD 4111, Australia
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10
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Man CH, Lam W, Dang CC, Zeng XY, Zheng LC, Chan NNM, Ng KL, Chan KC, Kwok TH, Ng TCC, Leung WY, Huen MSY, Wong CCL, So CWE, Dou Z, Goyama S, Bray MR, Mak TW, Leung AYH. Inhibition of PLK4 remodels histone methylation and activates the immune response via the cGAS-STING pathway in TP53-mutated AML. Blood 2023; 142:2002-2015. [PMID: 37738460 DOI: 10.1182/blood.2023019782] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 06/29/2023] [Accepted: 07/20/2023] [Indexed: 09/24/2023] Open
Abstract
Acute myeloid leukemia (AML) with TP53 mutation is one of the most lethal cancers and portends an extremely poor prognosis. Based on in silico analyses of druggable genes and differential gene expression in TP53-mutated AML, we identified pololike kinase 4 (PLK4) as a novel therapeutic target and examined its expression, regulation, pathogenetic mechanisms, and therapeutic potential in TP53-mutated AML. PLK4 expression was suppressed by activated p53 signaling in TP53 wild-type AML and was increased in TP53-mutated AML cell lines and primary samples. Short-term PLK4 inhibition induced DNA damage and apoptosis in TP53 wild-type AML. Prolonged PLK4 inhibition suppressed the growth of TP53-mutated AML and was associated with DNA damage, apoptosis, senescence, polyploidy, and defective cytokinesis. A hitherto undescribed PLK4/PRMT5/EZH2/H3K27me3 axis was demonstrated in both TP53 wild-type and mutated AML, resulting in histone modification through PLK4-induced PRMT5 phosphorylation. In TP53-mutated AML, combined effects of histone modification and polyploidy activated the cGAS-STING pathway, leading to secretion of cytokines and chemokines and activation of macrophages and T cells upon coculture with AML cells. In vivo, PLK4 inhibition also induced cytokine and chemokine expression in mouse recipients, and its combination with anti-CD47 antibody, which inhibited the "don't-eat-me" signal in macrophages, synergistically reduced leukemic burden and prolonged animal survival. The study shed important light on the pathogenetic role of PLK4 and might lead to novel therapeutic strategies in TP53-mutated AML.
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Affiliation(s)
- Cheuk-Him Man
- Department of Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Wing Lam
- Department of Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Chee-Chean Dang
- Department of Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Xiao-Yuan Zeng
- Department of Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Li-Chuan Zheng
- Department of Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Natalie Nok-Man Chan
- Department of Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Ka-Lam Ng
- Department of Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Koon-Chuen Chan
- Department of Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Tsz-Ho Kwok
- Department of Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Timothy Chi-Chun Ng
- Department of Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Wing-Yan Leung
- Department of Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Michael Shing-Yan Huen
- School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Carmen Chak-Lui Wong
- Department of Pathology, The University of Hong Kong, Hong Kong SAR, China
- State Key Laboratory of Liver Research, The University of Hong Kong, Hong Kong SAR, China
- Centre for Oncology and Immunology, Hong Kong Science Park, Hong Kong SAR, China
| | - Chi Wai Eric So
- Department of Haematological Medicine, Leukemia and Stem Cell Biology Team, King's College London, London, UK
| | - Zhixun Dou
- Center for Regenerative Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA
- Harvard Stem Cell Institute, Harvard University, Cambridge, MA
| | - Susumu Goyama
- Division of Molecular Oncology, Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Tokyo, Japan
| | - Mark Robert Bray
- The Campbell Family Institute for Breast Cancer Research, Princess Margaret Cancer Centre, Toronto, Canada
| | - Tak Wah Mak
- Department of Pathology, The University of Hong Kong, Hong Kong SAR, China
- Centre for Oncology and Immunology, Hong Kong Science Park, Hong Kong SAR, China
- The Campbell Family Institute for Breast Cancer Research, Princess Margaret Cancer Centre, Toronto, Canada
| | - Anskar Yu-Hung Leung
- Department of Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
- Centre for Oncology and Immunology, Hong Kong Science Park, Hong Kong SAR, China
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11
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Nie H, Li Q, Pan W. The emerging roles of protein arginine methyltransferases in antiviral innate immune signaling pathways. Front Microbiol 2023; 14:1322929. [PMID: 38116532 PMCID: PMC10728285 DOI: 10.3389/fmicb.2023.1322929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 11/21/2023] [Indexed: 12/21/2023] Open
Abstract
The Protein Arginine Methyltransferases (PRMTs) family is involved in various biological processes, including gene transcription, pre-mRNA splicing, mRNA translation, and protein stability. Recently, mounting evidence has shown that PRMTs also play critical roles in regulating the host antiviral immune response, either in an enzymatic activity dependent or independent manner. This review aims to provide an overview of the recent findings regarding the function and regulatory mechanisms of PRMTs in the antiviral response. These findings have the potential to aid in the discovery and design of novel therapeutic strategies for viral infections.
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Affiliation(s)
| | | | - Wei Pan
- Key Laboratory of Animal Resistance Biology of Shandong Province, College of Life Sciences, Shandong Normal University, Jinan, China
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12
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Kong LZ, Kim SM, Wang C, Lee SY, Oh SC, Lee S, Jo S, Kim TD. Understanding nucleic acid sensing and its therapeutic applications. Exp Mol Med 2023; 55:2320-2331. [PMID: 37945923 PMCID: PMC10689850 DOI: 10.1038/s12276-023-01118-6] [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: 06/29/2023] [Revised: 08/16/2023] [Accepted: 08/20/2023] [Indexed: 11/12/2023] Open
Abstract
Nucleic acid sensing is involved in viral infections, immune response-related diseases, and therapeutics. Based on the composition of nucleic acids, nucleic acid sensors are defined as DNA or RNA sensors. Pathogen-associated nucleic acids are recognized by membrane-bound and intracellular receptors, known as pattern recognition receptors (PRRs), which induce innate immune-mediated antiviral responses. PRR activation is tightly regulated to eliminate infections and prevent abnormal or excessive immune responses. Nucleic acid sensing is an essential mechanism in tumor immunotherapy and gene therapies that target cancer and infectious diseases through genetically engineered immune cells or therapeutic nucleic acids. Nucleic acid sensing supports immune cells in priming desirable immune responses during tumor treatment. Recent studies have shown that nucleic acid sensing affects the efficiency of gene therapy by inhibiting translation. Suppression of innate immunity induced by nucleic acid sensing through small-molecule inhibitors, virus-derived proteins, and chemical modifications offers a potential therapeutic strategy. Herein, we review the mechanisms and regulation of nucleic acid sensing, specifically covering recent advances. Furthermore, we summarize and discuss recent research progress regarding the different effects of nucleic acid sensing on therapeutic efficacy. This study provides insights for the application of nucleic acid sensing in therapy.
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Affiliation(s)
- Ling-Zu Kong
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, 34141, Republic of Korea
- Department of Biochemistry, College of Natural Sciences, Chungnam National University, Daejeon, 34134, Republic of Korea
| | - Seok-Min Kim
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, 34141, Republic of Korea
| | - Chunli Wang
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, 34141, Republic of Korea
| | - Soo Yun Lee
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, 34141, Republic of Korea
| | - Se-Chan Oh
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, 34141, Republic of Korea
| | - Sunyoung Lee
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, 34141, Republic of Korea
- Department of Life Sciences, Korea University, Seoul, 02841, Korea
| | - Seona Jo
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, 34141, Republic of Korea
- Department of Functional Genomics, KRIBB School of Bioscience, Korea University of Science and Technology (UST), Daejeon, 34113, Korea
| | - Tae-Don Kim
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, 34141, Republic of Korea.
- Department of Functional Genomics, KRIBB School of Bioscience, Korea University of Science and Technology (UST), Daejeon, 34113, Korea.
- Biomedical Mathematics Group, Institute for Basic Science (IBS), Daejeon, Republic of Korea.
- Department of Biopharmaceutical Convergence, School of Pharmacy, Sungkyunkwan University, Suwon, Republic of Korea.
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13
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Zheng K, Chen S, Ren Z, Wang Y. Protein arginine methylation in viral infection and antiviral immunity. Int J Biol Sci 2023; 19:5292-5318. [PMID: 37928266 PMCID: PMC10620831 DOI: 10.7150/ijbs.89498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Accepted: 10/10/2023] [Indexed: 11/07/2023] Open
Abstract
Protein arginine methyltransferase (PRMT)-mediated arginine methylation is an important post-transcriptional modification that regulates various cellular processes including epigenetic gene regulation, genome stability maintenance, RNA metabolism, and stress-responsive signal transduction. The varying substrates and biological functions of arginine methylation in cancer and neurological diseases have been extensively discussed, providing a rationale for targeting PRMTs in clinical applications. An increasing number of studies have demonstrated an interplay between arginine methylation and viral infections. PRMTs have been found to methylate and regulate several host cell proteins and different functional types of viral proteins, such as viral capsids, mRNA exporters, transcription factors, and latency regulators. This modulation affects their activity, subcellular localization, protein-nucleic acid and protein-protein interactions, ultimately impacting their roles in various virus-associated processes. In this review, we discuss the classification, structure, and regulation of PRMTs and their pleiotropic biological functions through the methylation of histones and non-histones. Additionally, we summarize the broad spectrum of PRMT substrates and explore their intricate effects on various viral infection processes and antiviral innate immunity. Thus, comprehending the regulation of arginine methylation provides a critical foundation for understanding the pathogenesis of viral diseases and uncovering opportunities for antiviral therapy.
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Affiliation(s)
- Kai Zheng
- School of Pharmacy, Shenzhen University Medical School, Shenzhen University, Shenzhen, 518055, China
| | - Siyu Chen
- School of Pharmacy, Shenzhen University Medical School, Shenzhen University, Shenzhen, 518055, China
| | - Zhe Ren
- Institute of Biomedicine, College of Life Science and Technology, Guangdong Province Key Laboratory of Bioengineering Medicine, Key Laboratory of Innovative Technology Research on Natural Products and Cosmetics Raw Materials, Jinan University, Guangzhou, 510632, China
| | - Yifei Wang
- Institute of Biomedicine, College of Life Science and Technology, Guangdong Province Key Laboratory of Bioengineering Medicine, Key Laboratory of Innovative Technology Research on Natural Products and Cosmetics Raw Materials, Jinan University, Guangzhou, 510632, China
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14
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Wang X, Lin M, Zhu L, Ye Z. GAS-STING: a classical DNA recognition pathways to tumor therapy. Front Immunol 2023; 14:1200245. [PMID: 37920470 PMCID: PMC10618366 DOI: 10.3389/fimmu.2023.1200245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 09/28/2023] [Indexed: 11/04/2023] Open
Abstract
Cyclic GMP-AMP synthetase (cGAS), recognized as the primary DNA sensor within cells, possesses the capability to identify foreign DNA molecules along with free DNA fragments. This identification process facilitates the production of type I IFNs through the activator of the interferon gene (STING) which induces the phosphorylation of downstream transcription factors. This action characterizes the most archetypal biological functionality of the cGAS-STING pathway. When treated with anti-tumor agents, cells experience DNA damage that triggers activation of the cGAS-STING pathway, culminating in the expression of type I IFNs and associated downstream interferon-stimulated genes. cGAS-STING is one of the important innate immune pathways,the role of type I IFNs in the articulation between innate immunity and T-cell antitumour immunity.type I IFNs promote the recruitment and activation of inflammatory cells (including NK cells) at the tumor site.Type I IFNs also can promote the activation and maturation of dendritic cel(DC), improve the antigen presentation of CD4+T lymphocytes, and enhance the cross-presentation of CD8+T lymphocytes to upregulating anti-tumor responses. This review discussed the cGAS-STING signaling and its mechanism and biological function in traditional tumor therapy and immunotherapy.
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Affiliation(s)
- Xinrui Wang
- National Health Commission (NHC), Key Laboratory of Technical Evaluation of Fertility Regulation for Non-Human Primate, Fujian Maternity and Child Health Hospital, Fuzhou, Fujian, China
- College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, Fujian, China
- Medical Research Center, Fujian Maternity and Child Health Hospital, Fuzhou, Fujian, China
| | - Meijia Lin
- National Health Commission (NHC), Key Laboratory of Technical Evaluation of Fertility Regulation for Non-Human Primate, Fujian Maternity and Child Health Hospital, Fuzhou, Fujian, China
- Department of Pathology, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, China
| | - Liping Zhu
- National Health Commission (NHC), Key Laboratory of Technical Evaluation of Fertility Regulation for Non-Human Primate, Fujian Maternity and Child Health Hospital, Fuzhou, Fujian, China
- College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, Fujian, China
- Medical Research Center, Fujian Maternity and Child Health Hospital, Fuzhou, Fujian, China
| | - Zhoujie Ye
- National Health Commission (NHC), Key Laboratory of Technical Evaluation of Fertility Regulation for Non-Human Primate, Fujian Maternity and Child Health Hospital, Fuzhou, Fujian, China
- College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, Fujian, China
- Medical Research Center, Fujian Maternity and Child Health Hospital, Fuzhou, Fujian, China
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15
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Zhu J, Li X, Cai X, Zhou Z, Liao Q, Liu X, Wang J, Xiao W. Asymmetric arginine dimethylation of cytosolic RNA and DNA sensors by PRMT3 attenuates antiviral innate immunity. Proc Natl Acad Sci U S A 2023; 120:e2214956120. [PMID: 37639603 PMCID: PMC10483634 DOI: 10.1073/pnas.2214956120] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Accepted: 07/19/2023] [Indexed: 08/31/2023] Open
Abstract
The cytosolic RNA and DNA sensors initiate type I interferon signaling when binding to RNA or DNA. To effectively protect the host against virus infection and concomitantly avoid excessive interferonopathy at resting states, these sensors must be tightly regulated. However, the key molecular mechanisms regulating these sensors' activation remain elusive. Here, we identify PRMT3, a type I protein arginine methyltransferase, as a negative regulator of cytosolic RNA and DNA sensors. PRMT3 interacts with RIG-I, MDA5, and cGAS and catalyzes asymmetric dimethylation of R730 on RIG-I, R822 on MDA5, and R111 on cGAS. These modifications reduce RNA-binding ability of RIG-I and MDA5 as well as DNA-binding ability and oligomerization of cGAS, leading to the inhibition of downstream type I interferon production. Furthermore, mice with loss of one copy of Prmt3 or in vivo treatment of the PRMT3 inhibitor, SGC707, are more resistant to RNA and DNA virus infection. Our findings reveal an essential role of PRMT3 in the regulation of antiviral innate immunity and give insights into the molecular regulation of cytosolic RNA and DNA sensors' activation.
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Affiliation(s)
- Junji Zhu
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan430072, People’s Republic of China
- Hubei Hongshan Laboratory, Wuhan430070, People’s Republic of China
| | - Xiong Li
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan430072, People’s Republic of China
- Hubei Hongshan Laboratory, Wuhan430070, People’s Republic of China
| | - Xiaolian Cai
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan430072, People’s Republic of China
- University of Chinese Academy of Sciences, Beijing100049, People’s Republic of China
| | - Ziwen Zhou
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan430072, People’s Republic of China
- Hubei Hongshan Laboratory, Wuhan430070, People’s Republic of China
| | - Qian Liao
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan430072, People’s Republic of China
- Hubei Hongshan Laboratory, Wuhan430070, People’s Republic of China
| | - Xing Liu
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan430072, People’s Republic of China
- Hubei Hongshan Laboratory, Wuhan430070, People’s Republic of China
- University of Chinese Academy of Sciences, Beijing100049, People’s Republic of China
| | - Jing Wang
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan430072, People’s Republic of China
- Hubei Hongshan Laboratory, Wuhan430070, People’s Republic of China
- University of Chinese Academy of Sciences, Beijing100049, People’s Republic of China
| | - Wuhan Xiao
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan430072, People’s Republic of China
- Hubei Hongshan Laboratory, Wuhan430070, People’s Republic of China
- University of Chinese Academy of Sciences, Beijing100049, People’s Republic of China
- The Innovation of Seed Design, Chinese Academy of Sciences, Wuhan430072, People’s Republic of China
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16
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O'Brien S, Butticello M, Thompson C, Wilson B, Wyce A, Mahajan V, Kruger R, Mohammad H, Fedoriw A. Inhibiting PRMT5 induces DNA damage and increases anti-proliferative activity of Niraparib, a PARP inhibitor, in models of breast and ovarian cancer. BMC Cancer 2023; 23:775. [PMID: 37596538 PMCID: PMC10436459 DOI: 10.1186/s12885-023-11260-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 08/05/2023] [Indexed: 08/20/2023] Open
Abstract
BACKGROUND Inhibitors of Poly (ADP-Ribose) Polymerases (PARP) provide clinical benefit to patients with breast and ovarian cancers, by compromising the DNA repair activity of cancer cells. Although these agents extend progression-free survival in many patients, responses can be short lived with many patients ultimately progressing. Identification of combination partners that increase dependence of cancer cells to the DNA repair activity of PARPs may represent a strategy to increase the utility of PARP inhibitors. Protein arginine methyltransferase 5 (PRMT5) regulates DNA damage response pathways through splicing and protein modification, and inhibitors of PRMT5 have recently entered clinical trials. METHODS The effect of PRMT5 inhibition on the levels of DNA damage and repair markers including γH2AX, RAD51, and 53BP1 was determined using high content immunofluorescent imaging. The anti-proliferative activity of the combination of PRMT5 and PARP inhibitors was evaluated using in vitro models of breast and ovarian cancers using both cell lines and ex vivo patient derived xenografts. Finally, the combinations of PRMT5 and PARP inhibitors were evaluated in cell line xenograft models in vivo. RESULTS Inhibition of PRMT5 by GSK3326595 led to increased levels of markers of DNA damage. The addition of GSK3326595 to the PARP inhibitor, niraparib, resulted in increased growth inhibition of breast and ovarian cancer cell lines and patient derived spheroids. In vivo, the combination improved the partial effects on tumor growth inhibition achieved by either single agent, producing complete tumor stasis and regression. CONCLUSION These data demonstrate that inhibition of PRMT5 induced signatures of DNA damage in models of breast and ovarian cancer. Furthermore, combination with the PARP inhibitor, Niraparib, resulted in increased anti-tumor activity in vitro and in vivo. Overall, these data suggest inhibition of PRMT5 as a mechanism to broaden and enhance the clinical application of PARP inhibitors.
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Affiliation(s)
- Shane O'Brien
- Tumor Cell Targeting RU, GlaxoSmithKline, Collegeville, USA
| | | | | | - Boris Wilson
- Synthetic Lethality RU, GlaxoSmithKline, Collegeville, USA
| | - Anastasia Wyce
- Tumor Cell Targeting RU, GlaxoSmithKline, Collegeville, USA
| | - Vivek Mahajan
- Tumor Cell Targeting RU, GlaxoSmithKline, Collegeville, USA
| | - Ryan Kruger
- Tumor Cell Targeting RU, GlaxoSmithKline, Collegeville, USA
| | - Helai Mohammad
- Tumor Cell Targeting RU, GlaxoSmithKline, Collegeville, USA
| | - Andy Fedoriw
- Tumor Cell Targeting RU, GlaxoSmithKline, Collegeville, USA.
- GlaxoSmithKline, 1250 South Collegeville Road, Collegeville, PA, 19426, USA.
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17
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Liu J, Bu X, Chu C, Dai X, Asara JM, Sicinski P, Freeman GJ, Wei W. PRMT1 mediated methylation of cGAS suppresses anti-tumor immunity. Nat Commun 2023; 14:2806. [PMID: 37193698 PMCID: PMC10188589 DOI: 10.1038/s41467-023-38443-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 04/28/2023] [Indexed: 05/18/2023] Open
Abstract
Activation of the cGAS/STING innate immunity pathway is essential and effective for anti-tumor immunotherapy. However, it remains largely elusive how tumor-intrinsic cGAS signaling is suppressed to facilitate tumorigenesis by escaping immune surveillance. Here, we report that the protein arginine methyltransferase, PRMT1, methylates cGAS at the conserved Arg133 residue, which prevents cGAS dimerization and suppresses the cGAS/STING signaling in cancer cells. Notably, genetic or pharmaceutical ablation of PRMT1 leads to activation of cGAS/STING-dependent DNA sensing signaling, and robustly elevates the transcription of type I and II interferon response genes. As such, PRMT1 inhibition elevates tumor-infiltrating lymphocytes in a cGAS-dependent manner, and promotes tumoral PD-L1 expression. Thus, combination therapy of PRMT1 inhibitor with anti-PD-1 antibody augments the anti-tumor therapeutic efficacy in vivo. Our study therefore defines the PRMT1/cGAS/PD-L1 regulatory axis as a critical factor in determining immune surveillance efficacy, which serves as a promising therapeutic target for boosting tumor immunity.
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Affiliation(s)
- Jing Liu
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA
- Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Xi'an, 710061, P.R. China
- Key Laboratory for Tumor Precision Medicine of Shaanxi Province, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, P.R. China
- Department of Urology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, P.R. China
| | - Xia Bu
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, 02215, USA
| | - Chen Chu
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, 02215, USA
- Department of Genetics, Blavatnik Institute, Harvard Medical School, Boston, MA, 02215, USA
| | - Xiaoming Dai
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA
| | - John M Asara
- Mass Spectrometry Core, Beth Israel Deaconess Medical Center, Department of Medicine, Harvard Medical School, Boston, MA, 02215, USA
| | - Piotr Sicinski
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, 02215, USA
- Department of Genetics, Blavatnik Institute, Harvard Medical School, Boston, MA, 02215, USA
- Department of Histology and Embryology, Center for Biostructure Research, Medical University of Warsaw, Warsaw, Poland
| | - Gordon J Freeman
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, 02215, USA.
| | - Wenyi Wei
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA.
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18
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Zhang J, Zhou EC, He Y, Chai ZL, Ji BZ, Tu Y, Wang HL, Wu WQ, Liu Y, Zhang XH, Liu Y. ZYG11B potentiates the antiviral innate immune response by enhancing cGAS-DNA binding and condensation. Cell Rep 2023; 42:112278. [PMID: 36933219 DOI: 10.1016/j.celrep.2023.112278] [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: 08/22/2022] [Revised: 01/17/2023] [Accepted: 03/03/2023] [Indexed: 03/19/2023] Open
Abstract
As a key dsDNA recognition receptor, cyclic guanosine monophosphate (GMP)-AMP synthase (cGAS) plays a vital role in innate immune responses. Activated cGAS, by sensing DNA, catalyzes the synthesis of the secondary messenger cyclic GMP-AMP (cGAMP), which subsequently activates downstream signaling to induce production of interferons and inflammatory cytokines. Here, we report Zyg-11 family member B (ZYG11B) as a potent amplifier in cGAS-mediated immune responses. Knockdown of ZYG11B impairs production of cGAMP and subsequent transcription of interferon and inflammatory cytokines. Mechanistically, ZYG11B enhances cGAS-DNA binding affinity, potentiates cGAS-DNA condensation, and stabilizes the cGAS-DNA condensed complex. Moreover, herpes simplex virus 1 (HSV-1) infection induces ZYG11B degradation in a cGAS-unrelated manner. Our findings not only reveal an important role of ZYG11B in the early stage of DNA-induced cGAS activation but also indicate a viral strategy to dampen the innate immune response.
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Affiliation(s)
- Jie Zhang
- State Key Laboratory of Virology, Frontier Science Center for Immunology and Metabolism, Wuhan University, Wuhan 430072, China; College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Er-Chi Zhou
- College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Yan He
- State Key Laboratory of Virology, Frontier Science Center for Immunology and Metabolism, Wuhan University, Wuhan 430072, China; College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Ze-Lin Chai
- State Key Laboratory of Virology, Frontier Science Center for Immunology and Metabolism, Wuhan University, Wuhan 430072, China; College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Ben-Zhe Ji
- State Key Laboratory of Virology, Frontier Science Center for Immunology and Metabolism, Wuhan University, Wuhan 430072, China; College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Yi Tu
- State Key Laboratory of Virology, Frontier Science Center for Immunology and Metabolism, Wuhan University, Wuhan 430072, China; College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Han-Ling Wang
- Xi'an Jiaotong-Livepool University, Suzhou 215123, China
| | - Wen-Qiang Wu
- College of Life Science, Henan University, Kaifeng 475001, China
| | - Yong Liu
- State Key Laboratory of Virology, Frontier Science Center for Immunology and Metabolism, Wuhan University, Wuhan 430072, China; College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Xing-Hua Zhang
- College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Yu Liu
- State Key Laboratory of Virology, Frontier Science Center for Immunology and Metabolism, Wuhan University, Wuhan 430072, China; College of Life Sciences, Wuhan University, Wuhan 430072, China.
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19
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Pan J, Fei CJ, Hu Y, Wu XY, Nie L, Chen J. Current understanding of the cGAS-STING signaling pathway: Structure, regulatory mechanisms, and related diseases. Zool Res 2023; 44:183-218. [PMID: 36579404 PMCID: PMC9841179 DOI: 10.24272/j.issn.2095-8137.2022.464] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Accepted: 12/27/2022] [Indexed: 01/04/2023] Open
Abstract
The innate immune system protects the host from external pathogens and internal damage in various ways. The cGAS-STING signaling pathway, comprised of cyclic GMP-AMP synthase (cGAS), stimulator of interferon genes (STING), and downstream signaling adaptors, plays an essential role in protective immune defense against microbial DNA and internal damaged-associated DNA and is responsible for various immune-related diseases. After binding with DNA, cytosolic cGAS undergoes conformational change and DNA-linked liquid-liquid phase separation to produce 2'3'-cGAMP for the activation of endoplasmic reticulum (ER)-localized STING. However, further studies revealed that cGAS is predominantly expressed in the nucleus and strictly tethered to chromatin to prevent binding with nuclear DNA, and functions differently from cytosolic-localized cGAS. Detailed delineation of this pathway, including its structure, signaling, and regulatory mechanisms, is of great significance to fully understand the diversity of cGAS-STING activation and signaling and will be of benefit for the treatment of inflammatory diseases and cancer. Here, we review recent progress on the above-mentioned perspectives of the cGAS-STING signaling pathway and discuss new avenues for further study.
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Affiliation(s)
- Jing Pan
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Ningbo University, Ningbo, Zhejiang 315211, China
- Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Meishan Campus, Ningbo University, Ningbo, Zhejiang 315832, China
- Zhejiang Key Laboratory of Marine Bioengineering, Ningbo University, Ningbo, Zhejiang 315832, China
| | - Chen-Jie Fei
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Ningbo University, Ningbo, Zhejiang 315211, China
- Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Meishan Campus, Ningbo University, Ningbo, Zhejiang 315832, China
- Zhejiang Key Laboratory of Marine Bioengineering, Ningbo University, Ningbo, Zhejiang 315832, China
| | - Yang Hu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Ningbo University, Ningbo, Zhejiang 315211, China
- Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Meishan Campus, Ningbo University, Ningbo, Zhejiang 315832, China
- Zhejiang Key Laboratory of Marine Bioengineering, Ningbo University, Ningbo, Zhejiang 315832, China
| | - Xiang-Yu Wu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Ningbo University, Ningbo, Zhejiang 315211, China
- Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Meishan Campus, Ningbo University, Ningbo, Zhejiang 315832, China
- Zhejiang Key Laboratory of Marine Bioengineering, Ningbo University, Ningbo, Zhejiang 315832, China
| | - Li Nie
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Ningbo University, Ningbo, Zhejiang 315211, China
- Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Meishan Campus, Ningbo University, Ningbo, Zhejiang 315832, China
- Zhejiang Key Laboratory of Marine Bioengineering, Ningbo University, Ningbo, Zhejiang 315832, China. E-mail:
| | - Jiong Chen
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Ningbo University, Ningbo, Zhejiang 315211, China
- Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Meishan Campus, Ningbo University, Ningbo, Zhejiang 315832, China
- Zhejiang Key Laboratory of Marine Bioengineering, Ningbo University, Ningbo, Zhejiang 315832, China. E-mail:
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20
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Song JX, Villagomes D, Zhao H, Zhu M. cGAS in nucleus: The link between immune response and DNA damage repair. Front Immunol 2022; 13:1076784. [PMID: 36591232 PMCID: PMC9797516 DOI: 10.3389/fimmu.2022.1076784] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 11/24/2022] [Indexed: 12/23/2022] Open
Abstract
As the first barrier of host defense, innate immunity sets up the parclose to keep out external microbial or virus attacks. Depending on the type of pathogens, several cytoplasm pattern recognition receptors exist to sense the attacks from either foreign or host origins, triggering the immune response to battle with the infections. Among them, cGAS-STING is the major pathway that mainly responds to microbial DNA, DNA virus infections, or self-DNA, which mainly comes from genome instability by-product or released DNA from the mitochondria. cGAS was initially found functional in the cytoplasm, although intriguing evidence indicates that cGAS exists in the nucleus where it is involved in the DNA damage repair process. Because the close connection between DNA damage response and immune response and cGAS recognizes DNA in length-dependent but DNA sequence-independent manners, it is urgent to clear the function balance of cGAS in the nucleus versus cytoplasm and how it is shielded from recognizing the host origin DNA. Here, we outline the current conception of immune response and the regulation mechanism of cGAS in the nucleus. Furthermore, we will shed light on the potential mechanisms that are restricted to be taken away from self-DNA recognition, especially how post-translational modification regulates cGAS functions.
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Affiliation(s)
- Jia-Xian Song
- Institute for Translation Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, China
| | - Deana Villagomes
- Department of Molecular and Cellular Biology, University of California Davis, One Shields Avenue, Davis, CA, United States
| | - Hongchang Zhao
- Department of Microbiology and Molecular Genetics, University of California Davis, One Shields Avenue, Davis, CA, United States
| | - Min Zhu
- Institute for Translation Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, China,*Correspondence: Min Zhu,
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21
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Liu J, Peng Y, Inuzuka H, Wei W. Targeting micro-environmental pathways by PROTACs as a therapeutic strategy. Semin Cancer Biol 2022; 86:269-279. [PMID: 35798235 PMCID: PMC11000491 DOI: 10.1016/j.semcancer.2022.07.001] [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: 04/29/2022] [Revised: 07/01/2022] [Accepted: 07/01/2022] [Indexed: 10/31/2022]
Abstract
Tumor microenvironment (TME) composes of multiple cell types and non-cellular components, which supports the proliferation, metastasis and immune surveillance evasion of tumor cells, as well as accounts for the resistance to therapies. Therefore, therapeutic strategies using small molecule inhibitors (SMIs) and antibodies to block potential targets in TME are practical for cancer treatment. Targeted protein degradation using PROteolysis-TArgeting Chimera (PROTAC) technic has several advantages over traditional SMIs and antibodies, including overcoming drug resistance. Thus many PROTACs are currently under development for cancer treatment. In this review, we summarize the recent progress of PROTAC development that target TME pathways and propose the potential direction of future PROTAC technique to advance as novel cancer treatment options.
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Affiliation(s)
- Jing Liu
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, United States
| | - Yunhua Peng
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, United States
| | - Hiroyuki Inuzuka
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, United States
| | - Wenyi Wei
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, United States.
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22
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Tang Y, Huang S, Chen X, Huang J, Lin Q, Huang L, Wang S, Zhu Q, Xu Y, Zou Y. Design, Synthesis and Biological Evaluation of Novel and Potent Protein Arginine Methyltransferases 5 Inhibitors for Cancer Therapy. Molecules 2022; 27:molecules27196637. [PMID: 36235174 PMCID: PMC9572541 DOI: 10.3390/molecules27196637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Revised: 10/02/2022] [Accepted: 10/03/2022] [Indexed: 11/16/2022] Open
Abstract
Protein arginine methyltransferases 5 (PRMT5) is a clinically promising epigenetic target that is upregulated in a variety of tumors. Currently, there are several PRMT5 inhibitors under preclinical or clinical development, however the established clinical inhibitors show favorable toxicity. Thus, it remains an unmet need to discover novel and structurally diverse PRMT5 inhibitors with characterized therapeutic utility. Herein, a series of tetrahydroisoquinoline (THIQ) derivatives were designed and synthesized as PRMT5 inhibitors using GSK-3326595 as the lead compound. Among them, compound 20 (IC50: 4.2 nM) exhibits more potent PRMT5 inhibitory activity than GSK-3326595 (IC50: 9.2 nM). In addition, compound 20 shows high anti-proliferative effects on MV-4-11 and MDA-MB-468 tumor cells and low cytotoxicity on AML-12 hepatocytes. Furthermore, compound 20 possesses acceptable pharmacokinetic profiles and displays considerable in vivo antitumor efficacy in a MV-4-11 xenograft model. Taken together, compound 20 is an antitumor compound worthy of further study.
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Affiliation(s)
- Yixuan Tang
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Shihui Huang
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Xingxing Chen
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Junzhang Huang
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Qianwen Lin
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Lei Huang
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Shuping Wang
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Qihua Zhu
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
- Jiangsu Key Laboratory of Drug Design and Optimization, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Yungen Xu
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
- Jiangsu Key Laboratory of Drug Design and Optimization, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
- Correspondence: (Y.X.); (Y.Z.); Tel.: +86-025-86185303 (Y.X.)
| | - Yi Zou
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
- Correspondence: (Y.X.); (Y.Z.); Tel.: +86-025-86185303 (Y.X.)
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23
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Lee J, Villarreal OD, Wang YC, Ragoussis J, Rivest S, Gosselin D, Richard S. PRMT1 is required for the generation of MHC-associated microglia and remyelination in the central nervous system. Life Sci Alliance 2022; 5:5/10/e202201467. [PMID: 35705491 PMCID: PMC9201232 DOI: 10.26508/lsa.202201467] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 06/03/2022] [Accepted: 06/03/2022] [Indexed: 11/24/2022] Open
Abstract
PRMT1 regulates MHC-associated microglia cluster during de/remyelination. Remyelination failure in multiple sclerosis leads to progressive demyelination and inflammation, resulting in neurodegeneration and clinical decline. Microglia are innate immune cells that can acquire a regenerative phenotype to promote remyelination, yet little is known about the regulators controlling the regenerative microglia activation. Herein, using a cuprizone (CPZ)-diet induced de- and remyelination mice model, we identify PRMT1 as a driver for MHC-associated microglia population required for remyelination in the central nervous system. The loss of PRMT1, but not PRMT5, in microglia resulted in impairment of the remyelination with a reduction of oligoprogenitor cell number and prolonged microgliosis and astrogliosis. Using single-cell RNA sequencing, we found eight distinct microglial clusters during the CPZ diet, and PRMT1 depleted microglia hindered the formation of the MHC-associated cluster, expressing MHCII and CD11c. Mechanistically, PRMT1-KO microglia displayed reduced the H3K27ac peaks at the promoter regions of the MHC- and IFN-associated genes and further suppressed gene expression during CPZ diet. Overall, our findings demonstrate that PRMT1 is a critical regulator of the MHC- and IFN-associated microglia, necessary for central nervous system remyelination.
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Affiliation(s)
- Jeesan Lee
- Segal Cancer Center, Lady Davis Institute for Medical Research and Gerald Bronfman Department of Oncology and Departments of Biochemistry, Human Genetics, and Medicine, McGill University, Montreal, Canada
| | - Oscar David Villarreal
- Segal Cancer Center, Lady Davis Institute for Medical Research and Gerald Bronfman Department of Oncology and Departments of Biochemistry, Human Genetics, and Medicine, McGill University, Montreal, Canada
| | - Yu Chang Wang
- McGill Genome Centre, Department of Human Genetics, McGill University, Montreal, Canada
| | - Jiannis Ragoussis
- McGill Genome Centre, Department of Human Genetics, McGill University, Montreal, Canada
| | - Serge Rivest
- Neuroscience Laboratory, CHU de Quebec Research Center and Department of Molecular Medicine, Faculty of Medicine, Laval University, Quebec City, Canada
| | - David Gosselin
- Neuroscience Laboratory, CHU de Quebec Research Center and Department of Molecular Medicine, Faculty of Medicine, Laval University, Quebec City, Canada
| | - Stéphane Richard
- Segal Cancer Center, Lady Davis Institute for Medical Research and Gerald Bronfman Department of Oncology and Departments of Biochemistry, Human Genetics, and Medicine, McGill University, Montreal, Canada
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24
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Im H, Baek H, Yang E, Kim K, Oh SK, Lee J, Kim H, Lee JM. ROS inhibits RORα degradation by decreasing its arginine methylation in liver cancer. Cancer Sci 2022; 114:187-200. [PMID: 36114756 PMCID: PMC9807526 DOI: 10.1111/cas.15595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 09/07/2022] [Accepted: 09/12/2022] [Indexed: 01/07/2023] Open
Abstract
Retinoic acid receptor-related orphan receptor α (RORα) is a transcription factor involved in nuclear gene expression and a known tumor suppressor. RORα was the first identified substrate of lysine methylation-dependent degradation. However, the mechanisms of other post-translational modifications (PTMs) that occur in RORα remain largely unknown, especially in liver cancer. Arginine methylation is a common PTM in arginine residues of nonhistone and histone proteins and affects substrate protein function and fate. We found an analogous amino acid disposition containing R37 at the ROR N-terminus compared to histone H3 residue, which is arginine methylated. Here, we provide evidence that R37 methylation-dependent degradation is carried out by protein arginine methyltransferase 5 (PRMT5). Further, we discovered that PRMT5 regulated the interaction between the E3 ubiquitin ligase ITCH and RORα through RORα arginine methylation. Arginine methylation-dependent ubiquitination-mediated RORα degradation reduced downstream target gene activation. H2 O2 -induced reactive oxygen species (ROS) decreased PRMT5 protein levels, consequently increasing RORα protein levels in HepG2 liver cancer cells. In addition, ROS inhibited liver cancer progression by inducing apoptosis via PRMT5-mediated RORα methylation and the ITCH axis. Our results potentiate PRMT5 as an elimination target in cancer therapy, and this additional regulatory level within ROS signaling may help identify new targets for therapeutic intervention in liver cancer.
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Affiliation(s)
- Hyuntae Im
- Department of Molecular Bioscience, College of Biomedical SciencesKangwon National UniversityChuncheonKorea
| | - Hee‐ji Baek
- Department of Biochemistry and Molecular BiologyKorea University College of MedicineSeoulKorea,BK21 Graduate Program, Department of Biomedical SciencesKorea University College of MedicineSeoulKorea
| | - Eunbi Yang
- Department of Biochemistry and Molecular BiologyKorea University College of MedicineSeoulKorea,BK21 Graduate Program, Department of Biomedical SciencesKorea University College of MedicineSeoulKorea
| | - Kyeongkyu Kim
- Gene Expression LaboratorySalk Institute for Biological StudiesLa JollaCaliforniaUSA
| | - Se Kyu Oh
- Creative Research Initiatives Center for Epigenetic Code and Diseases, School of Biological SciencesSeoul National UniversitySeoulKorea
| | - Jung‐Shin Lee
- Department of Molecular Bioscience, College of Biomedical SciencesKangwon National UniversityChuncheonKorea
| | - Hyunkyung Kim
- Department of Biochemistry and Molecular BiologyKorea University College of MedicineSeoulKorea,BK21 Graduate Program, Department of Biomedical SciencesKorea University College of MedicineSeoulKorea
| | - Ji Min Lee
- Graduate School of Medical Science & EngineeringKorea Advanced Institute of Science and TechnologyDaejeonKorea
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25
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Post-Translational Modifications of cGAS-STING: A Critical Switch for Immune Regulation. Cells 2022; 11:cells11193043. [PMID: 36231006 PMCID: PMC9563579 DOI: 10.3390/cells11193043] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 09/13/2022] [Accepted: 09/24/2022] [Indexed: 12/02/2022] Open
Abstract
Innate immune mechanisms initiate immune responses via pattern-recognition receptors (PRRs). Cyclic GMP-AMP synthase (cGAS), a member of the PRRs, senses diverse pathogenic or endogenous DNA and activates innate immune signaling pathways, including the expression of stimulator of interferon genes (STING), type I interferon, and other inflammatory cytokines, which, in turn, instructs the adaptive immune response development. This groundbreaking discovery has rapidly advanced research on host defense, cancer biology, and autoimmune disorders. Since cGAS/STING has enormous potential in eliciting an innate immune response, understanding its functional regulation is critical. As the most widespread and efficient regulatory mode of the cGAS-STING pathway, post-translational modifications (PTMs), such as the covalent linkage of functional groups to amino acid chains, are generally considered a regulatory mechanism for protein destruction or renewal. In this review, we discuss cGAS-STING signaling transduction and its mechanism in related diseases and focus on the current different regulatory modalities of PTMs in the control of the cGAS-STING-triggered innate immune and inflammatory responses.
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26
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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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27
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Bai X, Sui C, Liu F, Chen T, Zhang L, Zheng Y, Liu B, Gao C. The protein arginine methyltransferase PRMT9 attenuates MAVS activation through arginine methylation. Nat Commun 2022; 13:5016. [PMID: 36028484 PMCID: PMC9418238 DOI: 10.1038/s41467-022-32628-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Accepted: 08/10/2022] [Indexed: 11/09/2022] Open
Abstract
The signaling adaptor MAVS forms prion-like aggregates to activate the innate antiviral immune response after viral infection. However, spontaneous aggregation of MAVS can lead to autoimmune diseases. The molecular mechanism that prevents MAVS from spontaneous aggregation in resting cells has been enigmatic. Here we report that protein arginine methyltransferase 9 targets MAVS directly and catalyzes the arginine methylation of MAVS at the Arg41 and Arg43. In the resting state, this modification inhibits MAVS aggregation and autoactivation of MAVS. Upon virus infection, PRMT9 dissociates from the mitochondria, leading to the aggregation and activation of MAVS. Our study implicates a form of post-translational modification on MAVS, which can keep MAVS inactive in physiological conditions to maintain innate immune homeostasis.
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Affiliation(s)
- Xuemei Bai
- Key Laboratory of Infection and Immunity of Shandong Province & Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, 250012, PR China
| | - Chao Sui
- Key Laboratory of Infection and Immunity of Shandong Province & Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, 250012, PR China
| | - Feng Liu
- Key Laboratory of Infection and Immunity of Shandong Province & Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, 250012, PR China
| | - Tian Chen
- Department of Pathogenic Biology, School of Biomedical Sciences, Shandong University, Jinan, Shandong, 250012, PR China
| | - Lei Zhang
- Key Laboratory of Infection and Immunity of Shandong Province & Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, 250012, PR China
| | - Yi Zheng
- Key Laboratory of Infection and Immunity of Shandong Province & Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, 250012, PR China
| | - Bingyu Liu
- Key Laboratory of Infection and Immunity of Shandong Province & Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, 250012, PR China.
| | - Chengjiang Gao
- Key Laboratory of Infection and Immunity of Shandong Province & Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, 250012, PR China.
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28
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Deng Y, Wang Y, Li L, Miao EA, Liu P. Post-Translational Modifications of Proteins in Cytosolic Nucleic Acid Sensing Signaling Pathways. Front Immunol 2022; 13:898724. [PMID: 35795661 PMCID: PMC9250978 DOI: 10.3389/fimmu.2022.898724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 05/17/2022] [Indexed: 11/25/2022] Open
Abstract
The innate immune response is the first-line host defense against pathogens. Cytosolic nucleic acids, including both DNA and RNA, represent a special type of danger signal to initiate an innate immune response. Activation of cytosolic nucleic acid sensors is tightly controlled in order to achieve the high sensitivity needed to combat infection while simultaneously preventing false activation that leads to pathologic inflammatory diseases. In this review, we focus on post-translational modifications of key cytosolic nucleic acid sensors that can reversibly or irreversibly control these sensor functions. We will describe phosphorylation, ubiquitination, SUMOylation, neddylation, acetylation, methylation, succinylation, glutamylation, amidation, palmitoylation, and oxidation modifications events (including modified residues, modifying enzymes, and modification function). Together, these post-translational regulatory modifications on key cytosolic DNA/RNA sensing pathway members reveal a complicated yet elegantly controlled multilayer regulator network to govern innate immune activation.
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Affiliation(s)
- Yu Deng
- Lineberger Comprehensive Cancer Center, The University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
- Department of Biochemistry and Biophysics, The University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Ying Wang
- Lineberger Comprehensive Cancer Center, The University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
- Department of Biochemistry and Biophysics, The University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
- Curriculum in Genetics and Molecular Biology, The University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Lupeng Li
- Department of Immunology and Department of Molecular Genetics and Microbiology, Duke University, Durham, NC, United States
- Department of Microbiology and Immunology, The University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Edward A. Miao
- Department of Immunology and Department of Molecular Genetics and Microbiology, Duke University, Durham, NC, United States
| | - Pengda Liu
- Lineberger Comprehensive Cancer Center, The University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
- Department of Biochemistry and Biophysics, The University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
- Curriculum in Genetics and Molecular Biology, The University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
- *Correspondence: Pengda Liu,
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29
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Kermi C, Lau L, Asadi Shahmirzadi A, Classon M. Disrupting Mechanisms that Regulate Genomic Repeat Elements to Combat Cancer and Drug Resistance. Front Cell Dev Biol 2022; 10:826461. [PMID: 35602594 PMCID: PMC9114874 DOI: 10.3389/fcell.2022.826461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 03/30/2022] [Indexed: 11/13/2022] Open
Abstract
Despite advancements in understanding cancer pathogenesis and the development of many effective therapeutic agents, resistance to drug treatment remains a widespread challenge that substantially limits curative outcomes. The historical focus on genetic evolution under drug “pressure” as a key driver of resistance has uncovered numerous mechanisms of therapeutic value, especially with respect to acquired resistance. However, recent discoveries have also revealed a potential role for an ancient evolutionary balance between endogenous “viral” elements in the human genome and diverse factors involved in their restriction in tumor evolution and drug resistance. It has long been appreciated that the stability of genomic repeats such as telomeres and centromeres affect tumor fitness, but recent findings suggest that de-regulation of other repetitive genome elements, including retrotransposons, might also be exploited as cancer therapy. This review aims to present an overview of these recent findings.
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30
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Yang X, Shi C, Li H, Shen S, Su C, Yin H. MARCH8 attenuates cGAS-mediated innate immune responses through ubiquitylation. Sci Signal 2022; 15:eabk3067. [PMID: 35503863 DOI: 10.1126/scisignal.abk3067] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Cyclic GMP-AMP synthase (cGAS) binds to microbial and self-DNA in the cytosol and synthesizes cyclic GMP-AMP (cGAMP), which activates stimulator of interferon genes (STING) and downstream mediators to elicit an innate immune response. Regulation of cGAS activity is essential for immune homeostasis. Here, we identified the E3 ubiquitin ligase MARCH8 (also known as MARCHF8, c-MIR, and RNF178) as a negative regulator of cGAS-mediated signaling. The immune response to double-stranded DNA was attenuated by overexpression of MARCH8 and enhanced by knockdown or knockout of MARCH8. MARCH8 interacted with the enzymatically active core of cGAS through its conserved RING-CH domain and catalyzed the lysine-63 (K63)-linked polyubiquitylation of cGAS at Lys411. This polyubiquitylation event inhibited the DNA binding ability of cGAS, impaired cGAMP production, and attenuated the downstream innate immune response. Furthermore, March8-deficient mice were less susceptible than their wild-type counterparts to herpes simplex virus 1 (HSV-1) infection. Together, our findings reveal a mechanism underlying the functional regulation of cGAS and the fine-tuning of the innate immune response.
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Affiliation(s)
- Xikang Yang
- School of Pharmaceutical Sciences, Key Laboratory of Bioorganic Phosphorous Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China.,Beijing Advanced Innovation Center for Structural Biology, Tsinghua University, Beijing 100084, China.,Tsinghua-Peking Joint Center for Life Sciences, Tsinghua University, Beijing 100084, China
| | - Chengrui Shi
- School of Pharmaceutical Sciences, Key Laboratory of Bioorganic Phosphorous Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China.,Beijing Advanced Innovation Center for Structural Biology, Tsinghua University, Beijing 100084, China.,Tsinghua-Peking Joint Center for Life Sciences, Tsinghua University, Beijing 100084, China
| | - Hongpeng Li
- School of Pharmaceutical Sciences, Key Laboratory of Bioorganic Phosphorous Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China.,Beijing Advanced Innovation Center for Structural Biology, Tsinghua University, Beijing 100084, China.,Tsinghua-Peking Joint Center for Life Sciences, Tsinghua University, Beijing 100084, China.,School of Medicine, Tsinghua University, Beijing 100084, China
| | - Siqi Shen
- School of Pharmaceutical Sciences, Key Laboratory of Bioorganic Phosphorous Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China.,Beijing Advanced Innovation Center for Structural Biology, Tsinghua University, Beijing 100084, China.,Tsinghua-Peking Joint Center for Life Sciences, Tsinghua University, Beijing 100084, China
| | - Chaofei Su
- School of Pharmaceutical Sciences, Key Laboratory of Bioorganic Phosphorous Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China.,Beijing Advanced Innovation Center for Structural Biology, Tsinghua University, Beijing 100084, China.,Tsinghua-Peking Joint Center for Life Sciences, Tsinghua University, Beijing 100084, China
| | - Hang Yin
- School of Pharmaceutical Sciences, Key Laboratory of Bioorganic Phosphorous Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China.,Beijing Advanced Innovation Center for Structural Biology, Tsinghua University, Beijing 100084, China.,Tsinghua-Peking Joint Center for Life Sciences, Tsinghua University, Beijing 100084, China
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31
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Srour N, Khan S, Richard S. The Influence of Arginine Methylation in Immunity and Inflammation. J Inflamm Res 2022; 15:2939-2958. [PMID: 35602664 PMCID: PMC9114649 DOI: 10.2147/jir.s364190] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Accepted: 05/06/2022] [Indexed: 12/24/2022] Open
Abstract
Exploration in the field of epigenetics has revealed that protein arginine methyltransferases (PRMTs) contribute to disease, and this has given way to the development of specific small molecule compounds that inhibit arginine methylation. Protein arginine methylation is known to regulate fundamental cellular processes, such as transcription; pre-mRNA splicing and other RNA processing mechanisms; signal transduction, including the anti-viral response; and cellular metabolism. PRMTs are also implicated in the regulation of physiological processes, including embryonic development, myogenesis, and the immune system. Finally, the dysregulation of PRMTs is apparent in cancer, neurodegeneration, muscular disorders, and during inflammation. Herein, we review the functions of PRMTs in immunity and inflammation. We also discuss recent progress with PRMTs regarding the modulation of gene expression related to T and B lymphocyte differentiation, germinal center dynamics, and anti-viral signaling responses, as well as the clinical relevance of using PRMT inhibitors alone or in combination with other drugs to treat cancer, immune, and inflammatory-related diseases.
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Affiliation(s)
- Nivine Srour
- Segal Cancer Centre, Lady Davis Institute for Medical Research, Jewish General Hospital, Montréal, Québec, H3T 1E2, Canada
- Gerald Bronfman Department of Oncology, and Departments of Biochemistry, Human Genetics, and Medicine, McGill University, Montréal, Québec, H3T 1E2, Canada
| | - Sarah Khan
- Segal Cancer Centre, Lady Davis Institute for Medical Research, Jewish General Hospital, Montréal, Québec, H3T 1E2, Canada
- Gerald Bronfman Department of Oncology, and Departments of Biochemistry, Human Genetics, and Medicine, McGill University, Montréal, Québec, H3T 1E2, Canada
| | - Stephane Richard
- Segal Cancer Centre, Lady Davis Institute for Medical Research, Jewish General Hospital, Montréal, Québec, H3T 1E2, Canada
- Gerald Bronfman Department of Oncology, and Departments of Biochemistry, Human Genetics, and Medicine, McGill University, Montréal, Québec, H3T 1E2, Canada
- Correspondence: Stephane Richard, Email
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32
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Shi C, Yang X, Liu Y, Li H, Chu H, Li G, Yin H. ZDHHC18 negatively regulates cGAS-mediated innate immunity through palmitoylation. EMBO J 2022; 41:e109272. [PMID: 35438208 PMCID: PMC9156970 DOI: 10.15252/embj.2021109272] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 03/16/2022] [Accepted: 03/24/2022] [Indexed: 02/04/2023] Open
Abstract
Double-stranded DNA is recognized as a danger signal by cyclic guanosine monophosphate-adenosine monophosphate synthase (cGAS), triggering innate immune responses. Palmitoylation is an important post-translational modification (PTM) catalyzed by DHHC-palmitoyl transferases, which participate in the regulation of diverse biological processes. However, whether palmitoylation regulates cGAS function has not yet been explored. Here, we found that palmitoylation of cGAS at C474 restricted its enzymatic activity in the presence of double-stranded DNA. cGAS palmitoylation was catalyzed mainly by the palmitoyltransferase ZDHHC18 and double-stranded DNA promoted this modification. Mechanistically, palmitoylation of cGAS reduced the interaction between cGAS and double-stranded DNA, further inhibiting cGAS dimerization. Consistently, ZDHHC18 negatively regulated cGAS activation in human and mouse cell lines. In a more biologically relevant model system, Zdhhc18-deficient mice were found to be resistant to infection by DNA viruses, in agreement with the observation that ZDHHC18 negatively regulated cGAS mediated innate immune responses in human and mouse primary cells. In summary, the negative role of ZDHHC18-mediated cGAS palmitoylation may be a novel regulatory mechanism in the fine-tuning of innate immunity.
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Affiliation(s)
- Chengrui Shi
- School of Pharmaceutical SciencesKey Laboratory of Bioorganic Phosphorous Chemistry and Chemical Biology (Ministry of Education)Department of ChemistryTsinghua UniversityBeijingChina,Beijing Advanced Innovation Center for Structural BiologyTsinghua UniversityBeijingChina,Tsinghua‐Peking Center for Life SciencesTsinghua UniversityBeijingChina
| | - Xikang Yang
- School of Pharmaceutical SciencesKey Laboratory of Bioorganic Phosphorous Chemistry and Chemical Biology (Ministry of Education)Department of ChemistryTsinghua UniversityBeijingChina,Beijing Advanced Innovation Center for Structural BiologyTsinghua UniversityBeijingChina,Tsinghua‐Peking Center for Life SciencesTsinghua UniversityBeijingChina
| | - Ye Liu
- Laboratory of Molecular Modeling and DesignState Key Laboratory of Molecular Reaction DynamicsDalian Institute of Chemical PhysicsChinese Academy of SciencesDalianChina
| | - Hongpeng Li
- School of Pharmaceutical SciencesKey Laboratory of Bioorganic Phosphorous Chemistry and Chemical Biology (Ministry of Education)Department of ChemistryTsinghua UniversityBeijingChina,Beijing Advanced Innovation Center for Structural BiologyTsinghua UniversityBeijingChina,Tsinghua‐Peking Center for Life SciencesTsinghua UniversityBeijingChina,School of MedicineTsinghua UniversityBeijingChina
| | - Huiying Chu
- Laboratory of Molecular Modeling and DesignState Key Laboratory of Molecular Reaction DynamicsDalian Institute of Chemical PhysicsChinese Academy of SciencesDalianChina
| | - Guohui Li
- Laboratory of Molecular Modeling and DesignState Key Laboratory of Molecular Reaction DynamicsDalian Institute of Chemical PhysicsChinese Academy of SciencesDalianChina
| | - Hang Yin
- School of Pharmaceutical SciencesKey Laboratory of Bioorganic Phosphorous Chemistry and Chemical Biology (Ministry of Education)Department of ChemistryTsinghua UniversityBeijingChina,Beijing Advanced Innovation Center for Structural BiologyTsinghua UniversityBeijingChina,Tsinghua‐Peking Center for Life SciencesTsinghua UniversityBeijingChina
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33
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Dai W, Zhang J, Li S, He F, Liu Q, Gong J, Yang Z, Gong Y, Tang F, Wang Z, Xie C. Protein Arginine Methylation: An Emerging Modification in Cancer Immunity and Immunotherapy. Front Immunol 2022; 13:865964. [PMID: 35493527 PMCID: PMC9046588 DOI: 10.3389/fimmu.2022.865964] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Accepted: 03/18/2022] [Indexed: 12/04/2022] Open
Abstract
In recent years, protein arginine methyltransferases (PRMTs) have emerged as new members of a gene expression regulator family in eukaryotes, and are associated with cancer pathogenesis and progression. Cancer immunotherapy has significantly improved cancer treatment in terms of overall survival and quality of life. Protein arginine methylation is an epigenetic modification function not only in transcription, RNA processing, and signal transduction cascades, but also in many cancer-immunity cycle processes. Arginine methylation is involved in the activation of anti-cancer immunity and the regulation of immunotherapy efficacy. In this review, we summarize the most up-to-date information on regulatory molecular mechanisms and different underlying arginine methylation signaling pathways in innate and adaptive immune responses during cancer. We also outline the potential of PRMT-inhibitors as effective combinatorial treatments with immunotherapy.
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Affiliation(s)
- Weijing Dai
- Department of Radiation and Medical Oncology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Key Laboratory of Tumor Biological Behaviors, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Jianguo Zhang
- Department of Radiation and Medical Oncology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Key Laboratory of Tumor Biological Behaviors, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Siqi Li
- Department of Radiation and Medical Oncology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Key Laboratory of Tumor Biological Behaviors, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Fajian He
- Department of Radiation and Medical Oncology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Key Laboratory of Tumor Biological Behaviors, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Qiao Liu
- Department of Radiation and Medical Oncology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Key Laboratory of Tumor Biological Behaviors, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Jun Gong
- Department of Radiation and Medical Oncology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Key Laboratory of Tumor Biological Behaviors, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Cancer Clinical Study Center, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Zetian Yang
- Department of Thoracic Surgery, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Yan Gong
- Department of Biological Repositories, Zhongnan Hospital of Wuhan University, Wuhan, China
- Tumor Precision Diagnosis and Treatment Technology and Translational Medicine, Hubei Engineering Research Center, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Fang Tang
- Department of Radiation and Medical Oncology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Key Laboratory of Tumor Biological Behaviors, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Cancer Clinical Study Center, Zhongnan Hospital of Wuhan University, Wuhan, China
- *Correspondence: Fang Tang, ; Conghua Xie, ; Zhihao Wang, ;
| | - Zhihao Wang
- Department of Radiation and Medical Oncology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Key Laboratory of Tumor Biological Behaviors, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Cancer Clinical Study Center, Zhongnan Hospital of Wuhan University, Wuhan, China
- *Correspondence: Fang Tang, ; Conghua Xie, ; Zhihao Wang, ;
| | - Conghua Xie
- Department of Radiation and Medical Oncology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Key Laboratory of Tumor Biological Behaviors, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Cancer Clinical Study Center, Zhongnan Hospital of Wuhan University, Wuhan, China
- *Correspondence: Fang Tang, ; Conghua Xie, ; Zhihao Wang, ;
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34
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PRMT7 ablation stimulates anti-tumor immunity and sensitizes melanoma to immune checkpoint blockade. Cell Rep 2022; 38:110582. [PMID: 35354055 PMCID: PMC9838175 DOI: 10.1016/j.celrep.2022.110582] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 01/08/2022] [Accepted: 03/07/2022] [Indexed: 01/17/2023] Open
Abstract
Despite the success of immune checkpoint inhibitor (ICI) therapy for cancer, resistance and relapse are frequent. Combination therapies are expected to enhance response rates and overcome this resistance. Herein, we report that combining PRMT7 inhibition with ICI therapy induces a strong anti-tumor T cell immunity and restrains tumor growth in vivo by increasing immune cell infiltration. PRMT7-deficient B16.F10 melanoma exhibits increased expression of genes in the interferon pathway, antigen presentation, and chemokine signaling. PRMT7 deficiency or inhibition with SGC3027 in B16.F10 melanoma results in reduced DNMT expression, loss of DNA methylation in the regulatory regions of endogenous retroviral elements (ERVs) causing their increased expression. PRMT7-deficient cells increase RIG-I and MDA5 expression with a reduction in the H4R3me2s repressive histone mark at their gene promoters. Our findings identify PRMT7 as a regulatory checkpoint for RIG-I, MDA5, and their ERV-double-stranded RNA (dsRNA) ligands, facilitating immune escape and anti-tumor T cell immunity to restrain tumor growth.
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35
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Cattolico C, Bailey P, Barry ST. Modulation of Type I Interferon Responses to Influence Tumor-Immune Cross Talk in PDAC. Front Cell Dev Biol 2022; 10:816517. [PMID: 35273962 PMCID: PMC8902310 DOI: 10.3389/fcell.2022.816517] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Accepted: 01/31/2022] [Indexed: 12/13/2022] Open
Abstract
Immunotherapy has revolutionized the treatment of many cancer types. However, pancreatic ductal adenocarcinomas (PDACs) exhibit poor responses to immune checkpoint inhibitors with immunotherapy-based trials not generating convincing clinical activity. PDAC tumors often have low infiltration of tumor CD8+ T cells and a highly immunosuppressive microenvironment. These features classify PDAC as immunologically "cold." However, the presence of tumor T cells is a favorable prognostic feature in PDAC. Intrinsic tumor cell properties govern interactions with the immune system. Alterations in tumor DNA such as genomic instability, high tumor mutation burden, and/or defects in DNA damage repair are associated with responses to both immunotherapy and chemotherapy. Cytotoxic or metabolic stress produced by radiation and/or chemotherapy can act as potent immune triggers and prime immune responses. Damage- or stress-mediated activation of nucleic acid-sensing pathways triggers type I interferon (IFN-I) responses that activate innate immune cells and natural killer cells, promote maturation of dendritic cells, and stimulate adaptive immunity. While PDAC exhibits intrinsic features that have the potential to engage immune cells, particularly following chemotherapy, these immune-sensing mechanisms are ineffective. Understanding where defects in innate immune triggers render the PDAC tumor-immune interface less effective, or how T-cell function is suppressed will help develop more effective treatments and harness the immune system for durable outcomes. This review will focus on the pivotal role played by IFN-I in promoting tumor cell-immune cell cross talk in PDAC. We will discuss how PDAC tumor cells bypass IFN-I signaling pathways and explore how these pathways can be co-opted or re-engaged to enhance the therapeutic outcome.
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Affiliation(s)
- Carlotta Cattolico
- Bioscience, Early Oncology, AstraZeneca, Cambridge, United Kingdom
- Institute of Cancer Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Peter Bailey
- Institute of Cancer Sciences, University of Glasgow, Glasgow, United Kingdom
- Department of Surgery, University of Heidelberg, Heidelberg, Germany
- Section Surgical Research, University Clinic Heidelberg, Heidelberg, Germany
| | - Simon T. Barry
- Bioscience, Early Oncology, AstraZeneca, Cambridge, United Kingdom
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36
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Hu T, Pan M, Yin Y, Wang C, Cui Y, Wang Q. The Regulatory Network of Cyclic GMP-AMP Synthase-Stimulator of Interferon Genes Pathway in Viral Evasion. Front Microbiol 2021; 12:790714. [PMID: 34966372 PMCID: PMC8711784 DOI: 10.3389/fmicb.2021.790714] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Accepted: 11/04/2021] [Indexed: 01/06/2023] Open
Abstract
Virus infection has been consistently threatening public health. The cyclic GMP-AMP synthase (cGAS)-Stimulator of Interferon Genes (STING) pathway is a critical defender to sense various pathogens and trigger innate immunity of mammalian cells. cGAS recognizes the pathogenic DNA in the cytosol and then synthesizes 2'3'-cyclic GMP-AMP (2'3'cGAMP). As the second messenger, cGAMP activates STING and induces the following cascade to produce type I interferon (IFN-I) to protect against infections. However, viruses have evolved numerous strategies to hinder the cGAS-STING signal transduction, promoting their immune evasion. Here we outline the current status of the viral evasion mechanism underlying the regulation of the cGAS-STING pathway, focusing on how post-transcriptional modifications, viral proteins, and non-coding RNAs involve innate immunity during viral infection, attempting to inspire new targets discovery and uncover potential clinical antiviral treatments.
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Affiliation(s)
- Tongyu Hu
- State Key Laboratory of Natural Medicines, Department of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Mingyu Pan
- State Key Laboratory of Natural Medicines, Department of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Yue Yin
- State Key Laboratory of Natural Medicines, Department of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Chen Wang
- State Key Laboratory of Natural Medicines, Department of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Ye Cui
- Division of Immunology, The Boston Children's Hospital, Boston, MA, United States.,Department of Pediatrics, Harvard Medical School, Boston, MA, United States
| | - Quanyi Wang
- State Key Laboratory of Natural Medicines, Department of Life Science and Technology, China Pharmaceutical University, Nanjing, China
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37
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Zhu J, Li X, Sun X, Zhou Z, Cai X, Liu X, Wang J, Xiao W. Zebrafish prmt2 Attenuates Antiviral Innate Immunity by Targeting traf6. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2021; 207:2570-2580. [PMID: 34654690 DOI: 10.4049/jimmunol.2100627] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Accepted: 09/16/2021] [Indexed: 12/23/2022]
Abstract
TNFR-associated factor 6 (TRAF6) not only recruits TBK1/IKKε to MAVS upon virus infection but also catalyzes K63-linked polyubiquitination on substrate or itself, which is critical for NEMO-dependent and -independent TBK1/IKKε activation, leading to the production of type I IFNs. The regulation at the TRAF6 level could affect the activation of antiviral innate immunity. In this study, we demonstrate that zebrafish prmt2, a type I arginine methyltransferase, attenuates traf6-mediated antiviral response. Prmt2 binds to the C terminus of traf6 to catalyze arginine asymmetric dimethylation of traf6 at arginine 100, preventing its K63-linked autoubiquitination, which results in the suppression of traf6 activation. In addition, it seems that the N terminus of prmt2 competes with mavs for traf6 binding and prevents the recruitment of tbk1/ikkε to mavs. By zebrafish model, we show that loss of prmt2 promotes the survival ratio of zebrafish larvae after challenge with spring viremia of carp virus. Therefore, we reveal, to our knowledge, a novel function of prmt2 in the negative regulation of antiviral innate immunity by targeting traf6.
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Affiliation(s)
- Junji Zhu
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, People's Republic of China.,University of Chinese Academy of Sciences, Beijing, People's Republic of China
| | - Xiong Li
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, People's Republic of China.,University of Chinese Academy of Sciences, Beijing, People's Republic of China
| | - Xueyi Sun
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, People's Republic of China.,University of Chinese Academy of Sciences, Beijing, People's Republic of China
| | - Ziwen Zhou
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, People's Republic of China.,University of Chinese Academy of Sciences, Beijing, People's Republic of China
| | - Xiaolian Cai
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, People's Republic of China.,University of Chinese Academy of Sciences, Beijing, People's Republic of China
| | - Xing Liu
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, People's Republic of China.,The Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, Wuhan, People's Republic of China.,The Innovative Academy of Seed Design, Chinese Academy of Sciences, Wuhan, People's Republic of China; and
| | - Jing Wang
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, People's Republic of China.,The Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, Wuhan, People's Republic of China.,The Innovative Academy of Seed Design, Chinese Academy of Sciences, Wuhan, People's Republic of China; and
| | - Wuhan Xiao
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, People's Republic of China; .,University of Chinese Academy of Sciences, Beijing, People's Republic of China.,The Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, Wuhan, People's Republic of China.,The Innovative Academy of Seed Design, Chinese Academy of Sciences, Wuhan, People's Republic of China; and.,Hubei Hongshan Laboratory, Wuhan, People's Republic of China
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38
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Inhibiting Src-mediated PARP1 tyrosine phosphorylation confers synthetic lethality to PARP1 inhibition in HCC. Cancer Lett 2021; 526:180-192. [PMID: 34762994 DOI: 10.1016/j.canlet.2021.11.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 11/02/2021] [Accepted: 11/04/2021] [Indexed: 12/11/2022]
Abstract
Hepatocellular carcinoma (HCC), a heterogeneous cancer with high mortality, is resistant to single targeted therapy; thus, combination therapy based on synthetic lethality is a promising therapeutic strategy for HCC. Poly (adenosine diphosphate [ADP]-ribose) polymerase 1 (PARP1) is the most recognized target for synthetic lethality; however, the therapeutic effect of PARP1 inhibition on HCC is disappointing. Therefore, exploring new synthetic lethal partners for the efficient manipulation of HCC is urgently required. In this study, we identified Src and PARP1 as novel synthetic lethal partners, and the combination therapy produced significant anti-tumor effects without causing obvious side effects. Mechanistically, Src interacted with PARP1 and phosphorylated PARP1 at the Y992 residue, which further mediated resistance to PARP1 inhibition. Overall, this study revealed that Src-mediated PARP1 phosphorylation induced HCC resistance to PARP1 inhibitors and indicated a therapeutic window of the Y992 phosphorylation of PARP1 for HCC patients. Moreover, synthetic lethal therapy by co-targeting PARP1 and Src have the potential to broaden the strategies for HCC and might benefit HCC patients with high Src activation and resistance to PARP1 inhibitors alone.
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39
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Xu J, Richard S. Cellular pathways influenced by protein arginine methylation: Implications for cancer. Mol Cell 2021; 81:4357-4368. [PMID: 34619091 PMCID: PMC8571027 DOI: 10.1016/j.molcel.2021.09.011] [Citation(s) in RCA: 70] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 08/24/2021] [Accepted: 09/08/2021] [Indexed: 02/07/2023]
Abstract
Arginine methylation is an influential post-translational modification occurring on histones, RNA binding proteins, and many other cellular proteins, affecting their function by altering their protein-protein and protein-nucleic acid interactions. Recently, a wealth of information has been gathered, implicating protein arginine methyltransferases (PRMTs), enzymes that deposit arginine methylation, in transcription, pre-mRNA splicing, DNA damage signaling, and immune signaling with major implications for cancer therapy, especially immunotherapy. This review summarizes this recent progress and the current state of PRMT inhibitors, some in clinical trials, as promising drug targets for cancer.
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Affiliation(s)
- Jian Xu
- Center for Craniofacial Molecular Biology, Herman Ostrow School of Dentistry, University of Southern California, Los Angeles, CA, USA; Department of Biochemistry and Molecular Medicine, Norris Comprehensive Cancer Center, and Center for Regenerative Medicine and Stem Cell Research, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.
| | - Stéphane Richard
- Segal Cancer Center, Lady Davis Institute for Medical Research, Gerald Bronfman Department of Oncology, and Departments of Medicine, Human Genetics, and Biochemistry, McGill University, Montréal, QC H3T 1E2, Canada.
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40
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Zhong L, Shu HB. Mitotic inactivation of the cGAS‒MITA/STING pathways. J Mol Cell Biol 2021; 13:721-727. [PMID: 34609492 PMCID: PMC8718187 DOI: 10.1093/jmcb/mjab061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Revised: 08/12/2021] [Accepted: 08/23/2021] [Indexed: 11/13/2022] Open
Abstract
The cyclic guanosine monophosphate‒adenosine monophosphate synthase (cGAS)‒mediator of interferon response factor 3 activation/stimulator of interferon genes (MITA/STING) axis has emerged as a major pathway, which senses microbial or mislocated cellular DNA in the cytosol to trigger innate immune responses. cGAS senses cytosolic DNA without a preference of self- or nonself-DNA. How the cGAS‒MITA/STING axis is inactivated upon nuclear envelope breakdown (NEBD) at mitotic entry in vertebrate cells to avoid self-DNA sensing remains unclear until very recently. In this review, we summarize the recent advances on how cGAS responds to chromosomes upon NEBD and the mechanisms involved in the inactivation of the cGAS‒MITA/STING pathways in mitosis.
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Affiliation(s)
- Li Zhong
- Department of Infectious Diseases, Frontier Science Center for Immunology and Metabolism, Medical Research Institute, Zhongnan Hospital of Wuhan University, Wuhan University, Research Unit of Innate Immune and Inflammatory Diseases of the Chinese Academy of Medical Sciences, Wuhan 430071, China
| | - Hong-Bing Shu
- Department of Infectious Diseases, Frontier Science Center for Immunology and Metabolism, Medical Research Institute, Zhongnan Hospital of Wuhan University, Wuhan University, Research Unit of Innate Immune and Inflammatory Diseases of the Chinese Academy of Medical Sciences, Wuhan 430071, China
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41
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Liang Z, Wen C, Jiang H, Ma S, Liu X. Protein Arginine Methyltransferase 5 Functions via Interacting Proteins. Front Cell Dev Biol 2021; 9:725301. [PMID: 34513846 PMCID: PMC8432624 DOI: 10.3389/fcell.2021.725301] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 08/04/2021] [Indexed: 12/25/2022] Open
Abstract
The protein arginine methyltransferases (PRMTs) are involved in such biological processes as transcription regulation, DNA repair, RNA splicing, and signal transduction, etc. In this study, we mainly focused on PRMT5, a member of the type II PRMTs, which functions mainly alongside other interacting proteins. PRMT5 has been shown to be overexpressed in a wide variety of cancers and other diseases, and is involved in the regulation of Epstein-Barr virus infection, viral carcinogenesis, spliceosome, hepatitis B, cell cycles, and various signaling pathways. We analyzed the regulatory roles of PRMT5 and interacting proteins in various biological processes above-mentioned, to elucidate for the first time the interaction between PRMT5 and its interacting proteins. This systemic analysis will enrich the biological theory and contribute to the development of novel therapies.
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Affiliation(s)
- Zhenzhen Liang
- School of Public Health and Management, Wenzhou Medical University, Wenzhou, China.,NHC Key Lab of Radiobiology, Jilin University, Changchun, China
| | - Chaowei Wen
- School of Public Health and Management, Wenzhou Medical University, Wenzhou, China
| | - Heya Jiang
- School of Public Health and Management, Wenzhou Medical University, Wenzhou, China
| | - Shumei Ma
- School of Public Health and Management, Wenzhou Medical University, Wenzhou, China
| | - Xiaodong Liu
- School of Public Health and Management, Wenzhou Medical University, Wenzhou, China.,Key Laboratory of Watershed Science and Health of Zhejiang Province, Wenzhou Medical University, Wenzhou, China
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Lei Y, Han P, Tian D. Protein arginine methyltransferases and hepatocellular carcinoma: A review. Transl Oncol 2021; 14:101194. [PMID: 34365222 PMCID: PMC8353347 DOI: 10.1016/j.tranon.2021.101194] [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: 06/09/2021] [Revised: 07/28/2021] [Accepted: 08/02/2021] [Indexed: 12/27/2022] Open
Abstract
Protein arginine methylation is essential in multiple biological processes. The family of PRMTs is a novel regulator of liver diseases. Deregulation of PRMTs is correlated with HCC prognosis and clinical features. PRMTs play a vital role in HCC malignancy, immune responses and metabolism. PRMTs may represent druggable targets as novel strategies for HCC therapy.
Hepatocellular carcinoma (HCC) is one of the most frequently diagnosed cancers with a high mortality rate worldwide. The complexity of HCC initiation and progression poses a great challenge to the diagnosis and treatment. An increasing number of studies have focused on the emerging roles of protein arginine methylation in cancers, including tumor growth, invasion, metastasis, metabolism, immune responses, chemotherapy sensitivity, etc. The family of protein arginine methyltransferases (PRMTs) is the most important proteins that mediate arginine methylation. The deregulation of PRMTs’ expression and functions in cancers have been gradually unveiled, and many PRMTs inhibitors are in preclinical and clinical investigations now. This review focuses predominantly on the aberrant expression of PRMTs, underlying mechanisms, as well as their potential applications in HCC, and provide novel insights into HCC therapy.
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Affiliation(s)
- Yu Lei
- Department of Gastroenterology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei Province, China
| | - Ping Han
- Department of Gastroenterology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei Province, China.
| | - Dean Tian
- Department of Gastroenterology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei Province, China.
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Hong Z, Ma T, Liu X, Wang C. cGAS-STING pathway: post-translational modifications and functions in sterile inflammatory diseases. FEBS J 2021; 289:6187-6208. [PMID: 34310043 DOI: 10.1111/febs.16137] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 07/12/2021] [Accepted: 07/22/2021] [Indexed: 02/06/2023]
Abstract
Cytoplasmic microbial and host aberrant DNAs act as danger signals and trigger host immune responses. Upon recognition, the cytosolic DNA sensor cyclic GMP-AMP synthase (cGAS) catalyzes the production of a second messenger 2'3'-cGAMP, which activates endoplasmic reticulum (ER)-associated stimulator of interferon (IFN) genes (STING) and ultimately leads to the induction of type I IFNs and inflammatory genes that collectively initiate host immune defense against microbial invasion. Inappropriate activation or suppression of this signaling pathway has been implicated in the development of some autoimmune diseases, sterile inflammation, and cancers. In this review, we describe how the activity of cGAS and STING is regulated by host post-translational modifications and summarize the recent advances of cell-specific cGAS-STING activation and its association in sterile inflammatory diseases. We also discuss key outstanding questions in the field, including how our knowledge of cGAS-STING pathway could be translated into clinical applications.
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Affiliation(s)
- Ze Hong
- State Key Laboratory of Natural Medicines, Department of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Tianchi Ma
- Center for Microbes, Development and Health, Key Laboratory of Molecular Virology and Immunology, Institut Pasteur of Shanghai, Chinese Academy of Sciences, Shanghai, China
| | - Xing Liu
- Center for Microbes, Development and Health, Key Laboratory of Molecular Virology and Immunology, Institut Pasteur of Shanghai, Chinese Academy of Sciences, Shanghai, China
| | - Chen Wang
- State Key Laboratory of Natural Medicines, Department of Life Science and Technology, China Pharmaceutical University, Nanjing, China
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