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Xue J, Ye C. The role of lipoylation in mitochondrial adaptation to methionine restriction. Bioessays 2024; 46:e2300218. [PMID: 38616332 DOI: 10.1002/bies.202300218] [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: 11/11/2023] [Revised: 03/12/2024] [Accepted: 04/02/2024] [Indexed: 04/16/2024]
Abstract
Dietary methionine restriction (MR) is associated with a spectrum of health-promoting benefits. Being conducive to prevention of chronic diseases and extension of life span, MR can activate integrated responses at metabolic, transcriptional, and physiological levels. However, how the mitochondria of MR influence metabolic phenotypes remains elusive. Here, we provide a summary of cellular functions of methionine metabolism and an overview of the current understanding of effector mechanisms of MR, with a focus on the aspect of mitochondria-mediated responses. We propose that mitochondria can sense and respond to MR through a modulatory role of lipoylation, a mitochondrial protein modification sensitized by MR.
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Affiliation(s)
- Jingyuan Xue
- Zhejiang Provincial Key Laboratory for Cancer Molecular Cell Biology, Life Sciences Institute, Zhejiang University, Hangzhou, China
| | - Cunqi Ye
- Zhejiang Provincial Key Laboratory for Cancer Molecular Cell Biology, Life Sciences Institute, Zhejiang University, Hangzhou, China
- Hainan Institute, Zhejiang University, Sanya, China
- National R&D Center for Freshwater Fish Processing, Jiangxi Normal University, Nanchang, China
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2
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Abo Qoura L, Balakin KV, Hoffman RM, Pokrovsky VS. The potential of methioninase for cancer treatment. Biochim Biophys Acta Rev Cancer 2024; 1879:189122. [PMID: 38796027 DOI: 10.1016/j.bbcan.2024.189122] [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: 01/04/2024] [Revised: 05/07/2024] [Accepted: 05/21/2024] [Indexed: 05/28/2024]
Abstract
Cancer cells are addicted to L-methionine (L-Met) and have a much greater requirement for L-Met than normal cells due to excess transmethylation, termed the Hoffman effect. By targeting this vulnerability through dietary restriction of L-Met, researchers have been able to achieve promising results in inhibiting tumor growth and eradicating cancer cells. Methioninase (EC 4.4.1.11; METase) catalyzes the transformation of L-Met into α-ketobutyrate, ammonia, and methanethiol. The use of METase was initially limited due to its poor stability in vivo, high immunogenicity, and enzyme-induced inactivating antibodies. These issues could be partially resolved by PEGylation, encapsulation in erythrocytes, and various site-directed mutagenesis. The big breakthrough came when it was discovered that METase is effectively administered orally. The enzyme L-asparaginase is approved by the FDA for treatment of acute lymphoblastic leukemia. METase has more potential as a therapeutic since addiction to L-Met is a general and fundamental hallmark of cancer.
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Affiliation(s)
- Louay Abo Qoura
- Research Institute of Molecular and Cellular Medicine, People's Friendship University of Russia (RUDN University), 117198 Moscow, Russia; N.N. Blokhin National Medical Research Center of Oncology of Ministry of Health of Russian Federation, 115478 Moscow, Russia
| | | | - Robert M Hoffman
- AntiCancer Inc., San Diego, CA 92111, USA; Department of Surgery, University of California, San Diego, La Jolla, CA 92037-7400, USA
| | - Vadim S Pokrovsky
- Research Institute of Molecular and Cellular Medicine, People's Friendship University of Russia (RUDN University), 117198 Moscow, Russia; N.N. Blokhin National Medical Research Center of Oncology of Ministry of Health of Russian Federation, 115478 Moscow, Russia.
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3
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Liu Y, Qin Y, Yang B, Zheng H, Qiao S, Luo Z, Li R. Pseudorabies virus usurps non-muscle myosin heavy chain IIA to dampen viral DNA recognition by cGAS for antagonism of host antiviral innate immunity. J Virol 2024; 98:e0048324. [PMID: 38639486 PMCID: PMC11092326 DOI: 10.1128/jvi.00483-24] [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: 03/14/2024] [Accepted: 03/28/2024] [Indexed: 04/20/2024] Open
Abstract
Alphaherpesvirus pseudorabies virus (PRV) causes severe economic losses to the global pig industry and has garnered increasing attention due to its broad host range including humans. PRV has developed a variety of strategies to antagonize host antiviral innate immunity. However, the underlying mechanisms have not been fully elucidated. In our previous work, we demonstrated that non-muscle myosin heavy chain IIA (NMHC-IIA), a multifunctional cytoskeleton protein, attenuates innate immune responses triggered by RNA viruses. In the current study, we reported a previously unrecognized role of NMHC-IIA in counteracting PRV-induced cyclic GMP-AMP synthase (cGAS)-dependent type I interferon (IFN-I) production. Mechanistically, PRV infection led to an elevation of NMHC-IIA, strengthening the interaction between poly (ADP-ribose) polymerase 1 (PARP1) and cGAS. This interaction impeded cGAS recognition of PRV DNA and hindered downstream signaling activation. Conversely, inhibition of NMHC-IIA by Blebbistatin triggered innate immune responses and enhanced resistance to PRV proliferation both in vitro and in vivo. Taken together, our findings unveil that PRV utilizes NMHC-IIA to antagonize host antiviral immune responses via impairing DNA sensing by cGAS. This in-depth understanding of PRV immunosuppression not only provides insights for potential PRV treatment strategies but also highlights NMHC-IIA as a versatile immunosuppressive regulator usurped by both DNA and RNA viruses. Consequently, NMHC-IIA holds promise as a target for the development of broad-spectrum antiviral drugs.IMPORTANCECyclic GMP-AMP synthase (cGAS)-stimulator of interferon genes (STING) axis plays a vital role in counteracting alphaherpesvirus infections. Alphaherpesviruses exploit various strategies for antagonizing cGAS-STING-mediated antiviral immune responses. However, limited examples of pseudorabies virus (PRV)-caused immunosuppression have been documented. Our findings reveal a novel role of non-muscle myosin heavy chain IIA (NMHC-IIA) in suppressing PRV-triggered innate immune responses to facilitate viral propagation both in vitro and in vivo. In detail, NMHC-IIA recruits poly (ADP-ribose) polymerase 1 (PARP1) to augment its interaction with cGAS, which impairs cGAS recognition of PRV DNA. Building on our previous demonstration of NMHC-IIA's immunosuppressive role during RNA virus infections, these findings indicate that NMHC-IIA acts as a broad-spectrum suppressor of host antiviral innate immunity in response to both DNA and RNA viruses. Therefore, NMHC-IIA will be a promising target for the development of comprehensive antiviral strategies.
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Affiliation(s)
- Yingqi Liu
- School of Life Sciences, Chongqing University, Chongqing, China
| | - Yidan Qin
- School of Life Sciences, Chongqing University, Chongqing, China
| | - Bingbing Yang
- School of Life Sciences, Chongqing University, Chongqing, China
| | - Hongmei Zheng
- School of Life Sciences, Chongqing University, Chongqing, China
| | - Songlin Qiao
- Key Laboratory of Animal Immunology of the Ministry of Agriculture, Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, Henan, China
| | - Zhong Luo
- School of Life Sciences, Chongqing University, Chongqing, China
| | - Rui Li
- Key Laboratory of Animal Immunology of the Ministry of Agriculture, Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, Henan, China
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4
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Wang Y, Zhao G, Wang S, Li N. Deleting SUV39H1 in CAR-T cells epigenetically enhances the antitumor function. MedComm (Beijing) 2024; 5:e552. [PMID: 38645666 PMCID: PMC11032738 DOI: 10.1002/mco2.552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 03/30/2024] [Accepted: 04/07/2024] [Indexed: 04/23/2024] Open
Abstract
SUV39H1 ablation in CAR-T cells epigenetically enhances the antitumor function (by Figdraw). (A) Schematic illustration of SUV39H1 ablation-mediated enhanced antitumor function of CAR-T cells. Functional CAR-T cells eventually transformed into dysfunctional exhausted CAR-T cells under the exposure of chronic tumor antigens, accompanied by reduced proliferation level, effector function, and stemness/memory characteristics, thereby limiting the antitumor activity so as to cause the recurrence of solid tumors. Upon genetic engineering of SUV39H1 ablation, SUV KO CAR-T cells are endowed with increased proliferation level and stemness/memory properties, accompanied by reduced effector/exhausted phenotype. Augmented SUV KO CAR-T cells after in vitro expansion intravenously infusion to mice achieved stronger and more persistent tumor rejection. (B) SUV39H1 ablation-mediated epigenetic reprogramming mechanism of CAR-T cells. Epigenetically, under the stimulation of chronic tumor antigens, exhausted CAR-T cells were characterized by downregulation of proliferation, effector and stemness/memory-associated genes and upregulation of exhaustion-associated genes. SUV39H1 genetic ablation increased chromatin accessibility of stemness/memory-associated genes and reduced chromatin accessibility of inhibitory receptors and effector-associated genes in SUV KO CAR-T cells, epigenetically reprogramming human T cells to express higher levels of stemness/memory genes such as KLF2, LEF1 and TCF7 and lower levels of effector/exhaustion genes.
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Affiliation(s)
- Yuning Wang
- Clinical Trial Center, National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
| | - Guo Zhao
- Clinical Trial Center, National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
| | - Shuhang Wang
- Clinical Trial Center, National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
| | - Ning Li
- Clinical Trial Center, National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
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5
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Bin P, Wang C, Zhang H, Yan Y, Ren W. Targeting methionine metabolism in cancer: opportunities and challenges. Trends Pharmacol Sci 2024; 45:395-405. [PMID: 38580603 DOI: 10.1016/j.tips.2024.03.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 03/13/2024] [Accepted: 03/13/2024] [Indexed: 04/07/2024]
Abstract
Reprogramming of methionine metabolism is a conserved hallmark of tumorigenesis. Recent studies have revealed mechanisms regulating methionine metabolism within the tumor microenvironment (TME) that drive both cancer development and antitumor immunity evasion. In this review article we summarize advancements in our understanding of tumor regulation of methionine metabolism and therapies in development that target tumor methionine metabolism. We also delineate the challenges of methionine blockade therapies in cancer and discuss emerging strategies to address them.
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Affiliation(s)
- Peng Bin
- State Key Laboratory of Swine and Poultry Breeding Industry, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; Henry Fok School of Biology and Agriculture, Shaoguan University, Shaoguan 512005, China
| | - Chuanlong Wang
- State Key Laboratory of Swine and Poultry Breeding Industry, College of Animal Science, South China Agricultural University, Guangzhou 510642, China
| | - Hangchao Zhang
- State Key Laboratory of Swine and Poultry Breeding Industry, College of Animal Science, South China Agricultural University, Guangzhou 510642, China
| | - Yuqi Yan
- State Key Laboratory of Swine and Poultry Breeding Industry, College of Animal Science, South China Agricultural University, Guangzhou 510642, China
| | - Wenkai Ren
- State Key Laboratory of Swine and Poultry Breeding Industry, College of Animal Science, South China Agricultural University, Guangzhou 510642, China.
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Ji M, Xu Q, Li X. Dietary methionine restriction in cancer development and antitumor immunity. Trends Endocrinol Metab 2024; 35:400-412. [PMID: 38383161 PMCID: PMC11096033 DOI: 10.1016/j.tem.2024.01.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 01/18/2024] [Accepted: 01/19/2024] [Indexed: 02/23/2024]
Abstract
Methionine restriction (MR) has been shown to suppress tumor growth and improve the responses to various anticancer therapies. However, methionine itself is required for the proliferation, activation, and differentiation of T cells that are crucial for antitumor immunity. The dual impact of methionine, that influences both tumor and immune cells, has generated concerns regarding the potential consequences of MR on T cell immunity and its possible role in promoting cancer. In this review we systemically examine current literature on the interactions between dietary methionine, cancer cells, and immune cells. Based on recent findings on MR in immunocompetent animals, we further discuss how tumor stage-specific methionine dependence of immune cells and cancer cells in the tumor microenvironment could ultimately dictate the response of tumors to MR.
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Affiliation(s)
- Ming Ji
- Signal Transduction Laboratory, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA
| | - Qing Xu
- Signal Transduction Laboratory, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA
| | - Xiaoling Li
- Signal Transduction Laboratory, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA.
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7
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De Martino M, Rathmell JC, Galluzzi L, Vanpouille-Box C. Cancer cell metabolism and antitumour immunity. Nat Rev Immunol 2024:10.1038/s41577-024-01026-4. [PMID: 38649722 DOI: 10.1038/s41577-024-01026-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/18/2024] [Indexed: 04/25/2024]
Abstract
Accumulating evidence suggests that metabolic rewiring in malignant cells supports tumour progression not only by providing cancer cells with increased proliferative potential and an improved ability to adapt to adverse microenvironmental conditions but also by favouring the evasion of natural and therapy-driven antitumour immune responses. Here, we review cancer cell-intrinsic and cancer cell-extrinsic mechanisms through which alterations of metabolism in malignant cells interfere with innate and adaptive immune functions in support of accelerated disease progression. Further, we discuss the potential of targeting such alterations to enhance anticancer immunity for therapeutic purposes.
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Affiliation(s)
- Mara De Martino
- Department of Radiation Oncology, Weill Cornell Medicine, New York, NY, USA
| | - Jeffrey C Rathmell
- Vanderbilt Center for Immunobiology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Lorenzo Galluzzi
- Department of Radiation Oncology, Weill Cornell Medicine, New York, NY, USA.
- Sandra and Edward Meyer Cancer Center, New York, NY, USA.
- Caryl and Israel Englander Institute for Precision Medicine, New York, NY, USA.
| | - Claire Vanpouille-Box
- Department of Radiation Oncology, Weill Cornell Medicine, New York, NY, USA.
- Sandra and Edward Meyer Cancer Center, New York, NY, USA.
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8
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Dvorkin S, Cambier S, Volkman HE, Stetson DB. New frontiers in the cGAS-STING intracellular DNA-sensing pathway. Immunity 2024; 57:718-730. [PMID: 38599167 PMCID: PMC11013568 DOI: 10.1016/j.immuni.2024.02.019] [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: 12/22/2023] [Revised: 02/26/2024] [Accepted: 02/28/2024] [Indexed: 04/12/2024]
Abstract
The cGAS-STING intracellular DNA-sensing pathway has emerged as a key element of innate antiviral immunity and a promising therapeutic target. The existence of an innate immune sensor that can be activated by any double-stranded DNA (dsDNA) of any origin raises fundamental questions about how cGAS is regulated and how it responds to "foreign" DNA while maintaining tolerance to ubiquitous self-DNA. In this review, we summarize recent evidence implicating important roles for cGAS in the detection of foreign and self-DNA. We describe two recent and surprising insights into cGAS-STING biology: that cGAS is tightly tethered to the nucleosome and that the cGAMP product of cGAS is an immunotransmitter acting at a distance to control innate immunity. We consider how these advances influence our understanding of the emerging roles of cGAS in the DNA damage response (DDR), senescence, aging, and cancer biology. Finally, we describe emerging approaches to harness cGAS-STING biology for therapeutic benefit.
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Affiliation(s)
- Steve Dvorkin
- Departments of Immunology and Medicine, University of Washington School of Medicine, Seattle, WA 98109, USA
| | - Stephanie Cambier
- Departments of Immunology and Medicine, University of Washington School of Medicine, Seattle, WA 98109, USA
| | - Hannah E Volkman
- Departments of Immunology and Medicine, University of Washington School of Medicine, Seattle, WA 98109, USA
| | - Daniel B Stetson
- Departments of Immunology and Medicine, University of Washington School of Medicine, Seattle, WA 98109, USA.
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Kong M, Zhou J, Kang A, Kuai Y, Xu H, Li M, Miao X, Guo Y, Fan Z, Xu Y, Li Z. Histone methyltransferase Suv39h1 regulates hepatic stellate cell activation and is targetable in liver fibrosis. Gut 2024; 73:810-824. [PMID: 38176898 DOI: 10.1136/gutjnl-2023-329671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 12/15/2023] [Indexed: 01/06/2024]
Abstract
OBJECTIVE Liver fibrosis is a prelude to a host of end-stage liver diseases. Hepatic stellate cells (HSCs), switching from a quiescent state to myofibroblasts, are the major source for excessive production of extracellular matrix proteins. In the present study, we investigated the role of Suv39h1, a lysine methyltransferase, in HSC-myofibroblast transition and the implication in liver fibrosis. DESIGN HSC-specific or myofibroblast-specific Suv39h1 deletion was achieved by crossbreeding the Suv39h1 f/f mice to the Lrat-Cre mice or the Postn-CreERT2 mice. Liver fibrosis was induced by CCl4 injection or bile duct ligation. RESULTS We report that Suv39h1 expression was universally upregulated during HSC-myofibroblast transition in different cell and animal models of liver fibrosis and in human cirrhotic liver tissues. Consistently, Suv39h1 knockdown blocked HSC-myofibroblast transition in vitro. HSC-specific or myofibroblast-specific deletion of Suv39h1 ameliorated liver fibrosis in mice. More importantly, Suv39h1 inhibition by a small-molecule compound chaetocin dampened HSC-myofibroblast transition in cell culture and mitigated liver fibrosis in mice. Mechanistically, Suv39h1 bound to the promoter of heme oxygenase 1 (HMOX1) and repressed HMOX1 transcription. HMOX1 depletion blunted the effects of Suv39h1 inhibition on HSC-myofibroblast transition in vitro and liver fibrosis in vivo. Transcriptomic analysis revealed that HMOX1 might contribute to HSC-myofibroblast transition by modulating retinol homeostasis. Finally, myofibroblast-specific HMOX1 overexpression attenuated liver fibrosis in both a preventive scheme and a therapeutic scheme. CONCLUSIONS Our data demonstrate a previously unrecognised role for Suv39h1 in liver fibrosis and offer proof-of-concept of its targetability in the intervention of cirrhosis.
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Affiliation(s)
- Ming Kong
- State Key Laboratory of Natural Medicines, Department of Pharmacology, China Pharmaceutical University, Nanjing, People's Republic of China
| | - Junjing Zhou
- Department of Hepatobiliary Surgery, Affiliated Hospital of JiangnanUniversity, Wuxi, People's Republic of China
| | - Aoqi Kang
- Key Laboratory of Targeted Intervention of Cardiovascular Disease and Collaborative Innovation Center for Cardiovascular Translational Medicine, Department of Pathophysiology, Nanjing Medical University, Nanjing, People's Republic of China
| | - Yameng Kuai
- Key Laboratory of Targeted Intervention of Cardiovascular Disease and Collaborative Innovation Center for Cardiovascular Translational Medicine, Department of Pathophysiology, Nanjing Medical University, Nanjing, People's Republic of China
| | - Huihui Xu
- Key Laboratory of Targeted Intervention of Cardiovascular Disease and Collaborative Innovation Center for Cardiovascular Translational Medicine, Department of Pathophysiology, Nanjing Medical University, Nanjing, People's Republic of China
| | - Min Li
- Department of Pathophysiology, Jiangsu Health Vocational College, Nanjing, People's Republic of China
| | - Xiulian Miao
- Institute of Biomedical Research and College of Life Sciences, Liaocheng University, Liaocheng, People's Republic of China
| | - Yan Guo
- Institute of Biomedical Research and College of Life Sciences, Liaocheng University, Liaocheng, People's Republic of China
| | - Zhiwen Fan
- Department of Pathology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, People's Republic of China
| | - Yong Xu
- State Key Laboratory of Natural Medicines, Department of Pharmacology, China Pharmaceutical University, Nanjing, People's Republic of China
| | - Zilong Li
- State Key Laboratory of Natural Medicines, Department of Pharmacology, China Pharmaceutical University, Nanjing, People's Republic of China
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Xie J, Lin H, Zuo A, Shao J, Sun W, Wang S, Song J, Yao W, Luo Y, Sun J, Wang M. The JMJD family of histone demethylase and their intimate links to cardiovascular disease. Cell Signal 2024; 116:111046. [PMID: 38242266 DOI: 10.1016/j.cellsig.2024.111046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 01/05/2024] [Accepted: 01/11/2024] [Indexed: 01/21/2024]
Abstract
The incidence rate and mortality rate of cardiovascular disease rank first in the world. It is associated with various high-risk factors, and there is no single cause. Epigenetic modifications, such as DNA methylation or histone modification, actively participate in the initiation and development of cardiovascular diseases. Histone lysine methylation is a type of histone post-translational modification. The human Jumonji C domain (JMJD) protein family consists of more than 30 members. JMJD proteins participate in many key nuclear processes and play a key role in the specific regulation of gene expression, DNA damage and repair, and DNA replication. Importantly, increasing evidence shows that JMJD proteins are abnormally expressed in cardiovascular diseases, which may be a potential mechanism for the occurrence and development of these diseases. Here, we discuss the key roles of JMJD proteins in various common cardiovascular diseases. This includes histone lysine demethylase, which has been studied in depth, and less-studied JMJD members. Furthermore, we focus on the epigenetic changes induced by each JMJD member, summarize recent research progress, and evaluate their relationship with cardiovascular diseases and therapeutic potential.
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Affiliation(s)
- Jiarun Xie
- Department of Traditional Chinese Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China; School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China
| | - Haoyu Lin
- Department of Traditional Chinese Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China; School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China
| | - Anna Zuo
- Department of Traditional Chinese Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China; School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China
| | - Junqiao Shao
- Department of Traditional Chinese Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China; School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China
| | - Wei Sun
- Department of Traditional Chinese Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China; School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China
| | - Shaoting Wang
- Department of Traditional Chinese Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China; School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China
| | - Jianda Song
- Department of Traditional Chinese Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China; School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China
| | - Wang Yao
- Department of Traditional Chinese Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China; School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China
| | - Yanyu Luo
- Department of Traditional Chinese Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China; School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China
| | - Jia Sun
- Department of Traditional Chinese Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China.
| | - Ming Wang
- Department of Traditional Chinese Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China; School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China.
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11
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Li G, Zhao X, Zheng Z, Zhang H, Wu Y, Shen Y, Chen Q. cGAS-STING pathway mediates activation of dendritic cell sensing of immunogenic tumors. Cell Mol Life Sci 2024; 81:149. [PMID: 38512518 PMCID: PMC10957617 DOI: 10.1007/s00018-024-05191-6] [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: 12/22/2023] [Revised: 02/09/2024] [Accepted: 02/28/2024] [Indexed: 03/23/2024]
Abstract
Type I interferons (IFN-I) play pivotal roles in tumor therapy for three decades, underscoring the critical importance of maintaining the integrity of the IFN-1 signaling pathway in radiotherapy, chemotherapy, targeted therapy, and immunotherapy. However, the specific mechanism by which IFN-I contributes to these therapies, particularly in terms of activating dendritic cells (DCs), remains unclear. Based on recent studies, aberrant DNA in the cytoplasm activates the cyclic GMP-AMP synthase (cGAS)- stimulator of interferon genes (STING) signaling pathway, which in turn produces IFN-I, which is essential for antiviral and anticancer immunity. Notably, STING can also enhance anticancer immunity by promoting autophagy, inflammation, and glycolysis in an IFN-I-independent manner. These research advancements contribute to our comprehension of the distinctions between IFN-I drugs and STING agonists in the context of oncology therapy and shed light on the challenges involved in developing STING agonist drugs. Thus, we aimed to summarize the novel mechanisms underlying cGAS-STING-IFN-I signal activation in DC-mediated antigen presentation and its role in the cancer immune cycle in this review.
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Affiliation(s)
- Guohao Li
- Fujian Key Laboratory of Innate Immune Biology, Biomedical Research Center of South China, College of Life Science, Fujian Normal University, Fuzhou, China
| | - Xiangqian Zhao
- Fujian Key Laboratory of Innate Immune Biology, Biomedical Research Center of South China, College of Life Science, Fujian Normal University, Fuzhou, China
| | - Zuda Zheng
- Fujian Key Laboratory of Innate Immune Biology, Biomedical Research Center of South China, College of Life Science, Fujian Normal University, Fuzhou, China
| | - Hucheng Zhang
- Fujian Key Laboratory of Innate Immune Biology, Biomedical Research Center of South China, College of Life Science, Fujian Normal University, Fuzhou, China
| | - Yundi Wu
- Fujian Key Laboratory of Innate Immune Biology, Biomedical Research Center of South China, College of Life Science, Fujian Normal University, Fuzhou, China
| | - Yangkun Shen
- Fujian Key Laboratory of Innate Immune Biology, Biomedical Research Center of South China, College of Life Science, Fujian Normal University, Fuzhou, China.
| | - Qi Chen
- Fujian Key Laboratory of Innate Immune Biology, Biomedical Research Center of South China, College of Life Science, Fujian Normal University, Fuzhou, China.
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12
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Lu Y, Zhao M, Chen L, Wang Y, Liu T, Liu H. cGAS: action in the nucleus. Front Immunol 2024; 15:1380517. [PMID: 38515746 PMCID: PMC10954897 DOI: 10.3389/fimmu.2024.1380517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Accepted: 02/23/2024] [Indexed: 03/23/2024] Open
Abstract
As a canonical cytoplasmic DNA sensor, cyclic GMP-AMP synthase (cGAS) plays a key role in innate immunity. In recent years, a growing number of studies have shown that cGAS can also be located in the nucleus and plays new functions such as regulating DNA damage repair, nuclear membrane repair, chromosome fusion, DNA replication, angiogenesis and other non-canonical functions. Meanwhile, the mechanisms underlying the nucleo-cytoplasmic transport and the regulation of cGAS activation have been revealed in recent years. Based on the current understanding of the structure, subcellular localization and canonical functions of cGAS, this review focuses on summarizing the mechanisms underlying nucleo-cytoplasmic transport, activity regulation and non-canonical functions of cGAS in the nucleus. We aim to provide insights into exploring the new functions of cGAS in the nucleus and advance its clinical translation.
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Affiliation(s)
- Yikai Lu
- Central Laboratory, Shanghai Pulmonary Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Mengmeng Zhao
- Research Center of Translational Medicine, Jinan Central Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Li Chen
- Central Laboratory, Shanghai Pulmonary Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Yan Wang
- Central Laboratory, Shanghai Pulmonary Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Tianhao Liu
- Central Laboratory, Shanghai Pulmonary Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Haipeng Liu
- Central Laboratory, Shanghai Pulmonary Hospital, School of Medicine, Tongji University, Shanghai, China
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13
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Silva RCMC. Mitochondria, Autophagy and Inflammation: Interconnected in Aging. Cell Biochem Biophys 2024:10.1007/s12013-024-01231-x. [PMID: 38381268 DOI: 10.1007/s12013-024-01231-x] [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: 10/18/2023] [Accepted: 02/08/2024] [Indexed: 02/22/2024]
Abstract
In this manuscript, I discuss the direct link between abnormalities in inflammatory responses, mitochondrial metabolism and autophagy during the process of aging. It is focused on the cytosolic receptors nucleotide-binding domain, leucine-rich-containing family, pyrin domain-containing-3 (NLRP3) and cyclic GMP-AMP synthase (cGAS); myeloid-derived suppressor cells (MDSCs) expansion and their associated immunosuppressive metabolite, methyl-glyoxal, all of them negatively regulated by mitochondrial autophagy, biogenesis, metabolic pathways and its distinct metabolites.
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Affiliation(s)
- Rafael Cardoso Maciel Costa Silva
- Laboratory of Immunoreceptors and signaling, Instituto de Biofísica Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.
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14
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Wang X, Liu J, Mao C, Mao Y. Phase separation-mediated biomolecular condensates and their relationship to tumor. Cell Commun Signal 2024; 22:143. [PMID: 38383403 PMCID: PMC10880379 DOI: 10.1186/s12964-024-01518-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Accepted: 02/07/2024] [Indexed: 02/23/2024] Open
Abstract
Phase separation is a cellular phenomenon where macromolecules aggregate or segregate, giving rise to biomolecular condensates resembling "droplets" and forming distinct, membrane-free compartments. This process is pervasive in biological cells, contributing to various essential cellular functions. However, when phase separation goes awry, leading to abnormal molecular aggregation, it can become a driving factor in the development of diseases, including tumor. Recent investigations have unveiled the intricate connection between dysregulated phase separation and tumor pathogenesis, highlighting its potential as a novel therapeutic target. This article provides an overview of recent phase separation research, with a particular emphasis on its role in tumor, its therapeutic implications, and outlines avenues for further exploration in this intriguing field.
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Affiliation(s)
- Xi Wang
- Department of Nuclear Medicine, The Affiliated Hospital of Jiangsu University, Zhenjiang, 212001, China
| | - Jiameng Liu
- Department of Nuclear Medicine, The Affiliated Hospital of Jiangsu University, Zhenjiang, 212001, China
| | - Chaoming Mao
- Department of Nuclear Medicine, The Affiliated Hospital of Jiangsu University, Zhenjiang, 212001, China.
| | - Yufei Mao
- Department of Ultrasound Medicine, The Affiliated Hospital of Jiangsu University, Zhenjiang, 212001, China.
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15
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Xin Y, Liu CG, Zang D, Chen J. Gut microbiota and dietary intervention: affecting immunotherapy efficacy in non-small cell lung cancer. Front Immunol 2024; 15:1343450. [PMID: 38361936 PMCID: PMC10867196 DOI: 10.3389/fimmu.2024.1343450] [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: 11/23/2023] [Accepted: 01/18/2024] [Indexed: 02/17/2024] Open
Abstract
Non-small cell lung cancer (NSCLC) accounts for 80-85% of all lung cancers. In recent years, treatment with immune checkpoint inhibitors (ICIs) has gradually improved the survival rate of patients with NSCLC, especially those in the advanced stages. ICIs can block the tolerance pathways that are overexpressed by tumor cells and maintain the protective activity of immune system components against cancer cells. Emerging clinical evidence suggests that gut microbiota may modulate responses to ICIs treatment, possibly holding a key role in tumor immune surveillance and the efficacy of ICIs. Studies have also shown that diet can influence the abundance of gut microbiota in humans, therefore, dietary interventions and the adjustment of the gut microbiota is a novel and promising treatment strategy for adjunctive cancer therapy. This review comprehensively summarizes the effects of gut microbiota, antibiotics (ATBs), and dietary intervention on the efficacy of immunotherapy in NSCLC, with the aim of informing the development of novel strategies in NSCLC immunotherapy.
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Affiliation(s)
| | | | | | - Jun Chen
- Department of Oncology, The Second Hospital of Dalian Medical University, Dalian, China
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16
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Chen J, Cui L, Lu S, Xu S. Amino acid metabolism in tumor biology and therapy. Cell Death Dis 2024; 15:42. [PMID: 38218942 PMCID: PMC10787762 DOI: 10.1038/s41419-024-06435-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 12/19/2023] [Accepted: 01/04/2024] [Indexed: 01/15/2024]
Abstract
Amino acid metabolism plays important roles in tumor biology and tumor therapy. Accumulating evidence has shown that amino acids contribute to tumorigenesis and tumor immunity by acting as nutrients, signaling molecules, and could also regulate gene transcription and epigenetic modification. Therefore, targeting amino acid metabolism will provide new ideas for tumor treatment and become an important therapeutic approach after surgery, radiotherapy, and chemotherapy. In this review, we systematically summarize the recent progress of amino acid metabolism in malignancy and their interaction with signal pathways as well as their effect on tumor microenvironment and epigenetic modification. Collectively, we also highlight the potential therapeutic application and future expectation.
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Affiliation(s)
- Jie Chen
- National Key Lab of Immunity and Inflammation and Institute of Immunology, Naval Medical University/Second Military Medical University, Shanghai, 200433, China
| | - Likun Cui
- National Key Lab of Immunity and Inflammation and Institute of Immunology, Naval Medical University/Second Military Medical University, Shanghai, 200433, China
| | - Shaoteng Lu
- National Key Lab of Immunity and Inflammation and Institute of Immunology, Naval Medical University/Second Military Medical University, Shanghai, 200433, China
| | - Sheng Xu
- National Key Lab of Immunity and Inflammation and Institute of Immunology, Naval Medical University/Second Military Medical University, Shanghai, 200433, China.
- Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai, 200120, China.
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17
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Wang R, Hussain A, Guo Q, Ma M. cGAS-STING at the crossroads in cancer therapy. Crit Rev Oncol Hematol 2024; 193:104194. [PMID: 37931770 DOI: 10.1016/j.critrevonc.2023.104194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Revised: 10/09/2023] [Accepted: 11/01/2023] [Indexed: 11/08/2023] Open
Abstract
DNA is highly immunogenic, both exogenous and endogenous DNA can activate the pathogen-associated molecular pattern (PAMP) and danger-associated molecular pattern (DAMP), respectively, and hence activate the evolutionarily conserved cGAS-STING pathway for inflammatory responses. The cGAS-STING signaling pathway plays a very important role in the pathogenesis and progression of neoplastic diseases. For cancer therapy, there are some discrepancies on whether cGAS-STING should be inhibited or activated. Deregulated cGAS-STING signaling pathway might be the origin and pathogenesis of tumor, understanding and modulating cGAS-STING signaling holds great promise for cancer therapy. In this review article, we discuss the molecular mechanisms underlying cGAS-STING deregulation, highlighting the tumor inhibiting and promoting roles and challenges with cGAS-STING agonists in the context of cancer therapies.
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Affiliation(s)
- Rui Wang
- Department of Hematology, the Second Affiliated Hospital of Soochow University, 215004 Suzhou, China; Department of Oncology, Suqian Affiliated Hospital of Xuzhou Medical University, 223800 Suqian, China.
| | - Aashiq Hussain
- Cancer Science Institute of Singapore, National University of Singapore, 119077 CSI, Singapore
| | - Quanquan Guo
- Department of Hematology, the Second Affiliated Hospital of Soochow University, 215004 Suzhou, China; Department of Oncology, Suqian Affiliated Hospital of Xuzhou Medical University, 223800 Suqian, China
| | - Meimei Ma
- Department of Pathology, Suqian Affiliated Hospital of Xuzhou Medical University, 223800 Suqian, China
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18
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Li F, Liu P, Mi W, Li L, Anderson NM, Lesner NP, Burrows M, Plesset J, Majer A, Wang G, Li J, Zhu L, Keith B, Simon MC. Blocking methionine catabolism induces senescence and confers vulnerability to GSK3 inhibition in liver cancer. NATURE CANCER 2024; 5:131-146. [PMID: 38168934 DOI: 10.1038/s43018-023-00671-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Accepted: 10/16/2023] [Indexed: 01/05/2024]
Abstract
Availability of the essential amino acid methionine affects cellular metabolism and growth, and dietary methionine restriction has been implicated as a cancer therapeutic strategy. Nevertheless, how liver cancer cells respond to methionine deprivation and underlying mechanisms remain unclear. Here we find that human liver cancer cells undergo irreversible cell cycle arrest upon methionine deprivation in vitro. Blocking methionine adenosyl transferase 2A (MAT2A)-dependent methionine catabolism induces cell cycle arrest and DNA damage in liver cancer cells, resulting in cellular senescence. A pharmacological screen further identified GSK3 inhibitors as senolytics that selectively kill MAT2A-inhibited senescent liver cancer cells. Importantly, combined treatment with MAT2A and GSK3 inhibitors therapeutically blunts liver tumor growth in vitro and in vivo across multiple models. Together, methionine catabolism is essential for liver tumor growth, and its inhibition can be exploited as an improved pro-senescence strategy for combination with senolytic agents to treat liver cancer.
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Affiliation(s)
- Fuming Li
- Shanghai Key Laboratory of Metabolic Remodeling and Health, Institute of Metabolism and Integrative Biology, Fudan University, Shanghai, China.
- Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
| | - Pingyu Liu
- Human Phenome Institute, Zhangjiang Fudan International Innovation Center, Fudan University, Shanghai, China
| | - Wen Mi
- Shanghai Key Laboratory of Metabolic Remodeling and Health, Institute of Metabolism and Integrative Biology, Fudan University, Shanghai, China
| | - Liucheng Li
- Shanghai Key Laboratory of Metabolic Remodeling and Health, Institute of Metabolism and Integrative Biology, Fudan University, Shanghai, China
| | - Nicole M Anderson
- Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Department of Cell and Molecular Biology, University of Mississippi Medical Center, Jackson, MS, USA
| | - Nicholas P Lesner
- Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Michelle Burrows
- Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Jacqueline Plesset
- Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Ariana Majer
- Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Guanlin Wang
- Shanghai Key Laboratory of Metabolic Remodeling and Health, Institute of Metabolism and Integrative Biology, Fudan University, Shanghai, China
| | - Jinyang Li
- Shanghai Key Laboratory of Metabolic Remodeling and Health, Institute of Metabolism and Integrative Biology, Fudan University, Shanghai, China
| | - Lingzhi Zhu
- Shanghai Key Laboratory of Metabolic Remodeling and Health, Institute of Metabolism and Integrative Biology, Fudan University, Shanghai, China
| | - Brian Keith
- Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Department of Cancer Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - M Celeste Simon
- Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
- Department of Cell and Developmental Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
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19
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Song Y, Liu H, Xian Q, Gui C, Xu M, Zhou Y. Mechanistic insights into UHRF1‑mediated DNA methylation by structure‑based functional clarification of UHRF1 domains (Review). Oncol Lett 2023; 26:542. [PMID: 38020304 PMCID: PMC10660443 DOI: 10.3892/ol.2023.14129] [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: 03/04/2023] [Accepted: 10/16/2023] [Indexed: 12/01/2023] Open
Abstract
Epigenetic modification is crucial for transmitting genetic information, while abnormalities in DNA methylation modification are primarily associated with cancer and neurological diseases. As a multifunctional epigenetic modifier, ubiquitin like with PHD and ring finger domains 1 (UHRF1) mainly affects cell energy metabolism and cell cycle control. It also inhibits the transcription of tumor suppressor genes through DNA and/or histone methylation modifications, promoting the occurrence and development of cancer. Therefore, comprehensively understanding the molecular mechanism of the epigenetic modification of UHRF1 in tumors will help identify targets for inhibiting the expression and function of UHRF1. Notably, each domain of UHRF1 functions as a whole and differently. Thus, the abnormality of any domain can lead to a change in phenotype or disease. However, the specific regulatory mechanism and proteins of each domain have not been fully elucidated. The present review aimed to contribute to the study of the regulatory mechanism of UHRF1 to a greater extent in different cancers and provide ideas for drug research by clarifying the function of UHRF1 domains.
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Affiliation(s)
- Yiying Song
- Department of Clinical Laboratory Diagnosis, Jinan Central Hospital, Shandong University, Jinan, Shandong 250012, P.R. China
| | - Haiting Liu
- Department of Critical Care Medicine, Jinan Zhangqiu Hospital of Traditional Chinese Medicine, Jinan, Shandong 250200, P.R. China
| | - Qingqing Xian
- Department of Clinical Laboratory Diagnosis, Jinan Central Hospital, Shandong University, Jinan, Shandong 250012, P.R. China
| | - Chengzhi Gui
- Department of Clinical Laboratory Diagnosis, Shandong First Medical University, Jinan, Shandong 250012, P.R. China
| | - Mingjie Xu
- Medical Research and Laboratory Diagnostic Center, Central Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250013, P.R. China
| | - Yunying Zhou
- Department of Clinical Laboratory Diagnosis, Jinan Central Hospital, Shandong University, Jinan, Shandong 250012, P.R. China
- Department of Clinical Laboratory Diagnosis, Shandong First Medical University, Jinan, Shandong 250012, P.R. China
- Medical Research and Laboratory Diagnostic Center, Central Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250013, P.R. China
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20
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Hao W, Li W, Wang L, Li S. The odyssey of cGAS: From cytosol to nucleus. Cytokine Growth Factor Rev 2023; 74:29-39. [PMID: 37778920 DOI: 10.1016/j.cytogfr.2023.09.004] [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: 08/30/2023] [Accepted: 09/25/2023] [Indexed: 10/03/2023]
Abstract
The cyclic GMP-AMP synthase (cGAS) is a widely recognized pattern recognition receptor responsible for detecting pathogenic DNA in the cytosol and inducing the production of type I interferon (IFN) to combat infections. The recently discovered nuclear localization of cGAS has changed the old dogma, illuminated a captivating dimension of innate immunity, and sparked many fundamental questions beyond the field of immunology. This review explores cGAS nuclear localization models, activation mechanisms, and biological significance. This expansion challenges the conventional understanding of cGAS and opens new avenues for scientific exploration, promising insights into cellular surveillance and potentially unveiling new therapeutic targets for immune disorders.
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Affiliation(s)
- Wenzhuo Hao
- Department of Microbiology and Immunology, Tulane University, New Orleans, LA 70112, USA
| | - Wenjun Li
- Department of Craniofacial Biomedicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Lingyan Wang
- Department of Microbiology and Immunology, Tulane University, New Orleans, LA 70112, USA.
| | - Shitao Li
- Department of Microbiology and Immunology, Tulane University, New Orleans, LA 70112, USA.
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21
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Lu W, Luo Y. Methionine restriction sensitizes cancer cells to immunotherapy. Cancer Commun (Lond) 2023; 43:1267-1270. [PMID: 37803877 PMCID: PMC10631477 DOI: 10.1002/cac2.12492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 09/13/2023] [Accepted: 09/26/2023] [Indexed: 10/08/2023] Open
Affiliation(s)
- Weiqin Lu
- Department of Pharmaceutical SciencesSchool of Pharmacy, University of Texas at El PasoEl PasoUSA
| | - Yongde Luo
- School of Pharmacological Sciences & The First Affiliated HospitalWenzhou Medical UniversityWenzhouZhejiangP. R. China
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22
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Kumar V, Bauer C, Stewart JH. Cancer cell-specific cGAS/STING Signaling pathway in the era of advancing cancer cell biology. Eur J Cell Biol 2023; 102:151338. [PMID: 37423035 DOI: 10.1016/j.ejcb.2023.151338] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 06/27/2023] [Accepted: 07/04/2023] [Indexed: 07/11/2023] Open
Abstract
Pattern-recognition receptors (PRRs) are critical to recognizing endogenous and exogenous threats to mount a protective proinflammatory innate immune response. PRRs may be located on the outer cell membrane, cytosol, and nucleus. The cGAS/STING signaling pathway is a cytosolic PRR system. Notably, cGAS is also present in the nucleus. The cGAS-mediated recognition of cytosolic dsDNA and its cleavage into cGAMP activates STING. Furthermore, STING activation through its downstream signaling triggers different interferon-stimulating genes (ISGs), initiating the release of type 1 interferons (IFNs) and NF-κB-mediated release of proinflammatory cytokines and molecules. Activating cGAS/STING generates type 1 IFN, which may prevent cellular transformation and cancer development, growth, and metastasis. The current article delineates the impact of the cancer cell-specific cGAS/STING signaling pathway alteration in tumors and its impact on tumor growth and metastasis. This article further discusses different approaches to specifically target cGAS/STING signaling in cancer cells to inhibit tumor growth and metastasis in conjunction with existing anticancer therapies.
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Affiliation(s)
- Vijay Kumar
- Department of Interdisciplinary Oncology, Stanley S. Scott Cancer Center, School of Medicine, Louisiana State University Health Science Center (LSUHSC), 1700 Tulane Avenue, New Orleans, LA 70012, USA.
| | - Caitlin Bauer
- Department of Interdisciplinary Oncology, Stanley S. Scott Cancer Center, School of Medicine, Louisiana State University Health Science Center (LSUHSC), 1700 Tulane Avenue, New Orleans, LA 70012, USA
| | - John H Stewart
- Department of Interdisciplinary Oncology, Stanley S. Scott Cancer Center, School of Medicine, Louisiana State University Health Science Center (LSUHSC), 1700 Tulane Avenue, New Orleans, LA 70012, USA; Louisiana Children's Medical Center Cancer Center, Stanley S. Scott Cancer Center, School of Medicine, Louisiana State University Health Science Center (LSUHSC), 1700 Tulane Avenue, New Orleans, LA 70012, USA.
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23
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Wei F, Locasale JW. Methionine restriction and antitumor immunity. Trends Cancer 2023; 9:705-706. [PMID: 37517954 PMCID: PMC10458792 DOI: 10.1016/j.trecan.2023.07.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Accepted: 07/14/2023] [Indexed: 08/01/2023]
Abstract
Fang et al. recently reported in Cancer Cell that methionine restriction increases antitumor immunity by enhancing cyclic GMP-AMP synthase (cGAS) activity and promoting its dissociation from chromatin. This finding identifies a potential strategy to target cGAS demethylation in cancer therapy by altering methionine metabolism.
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Affiliation(s)
- Fangchao Wei
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Jason W Locasale
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC 27710, USA.
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