1
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Puray-Chavez M, Eschbach JE, Xia M, LaPak KM, Zhou Q, Jasuja R, Pan J, Xu J, Zhou Z, Mohammed S, Wang Q, Lawson DQ, Djokic S, Hou G, Ding S, Brody SL, Major MB, Goldfarb D, Kutluay SB. A basally active cGAS-STING pathway limits SARS-CoV-2 replication in a subset of ACE2 positive airway cell models. Nat Commun 2024; 15:8394. [PMID: 39333139 DOI: 10.1038/s41467-024-52803-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Accepted: 09/22/2024] [Indexed: 09/29/2024] Open
Abstract
Host factors that define the cellular tropism of SARS-CoV-2 beyond the cognate ACE2 receptor are poorly defined. Here we report that SARS-CoV-2 replication is restricted at a post-entry step in a number of ACE2-positive airway-derived cell lines due to tonic activation of the cGAS-STING pathway mediated by mitochondrial DNA leakage and naturally occurring cGAS and STING variants. Genetic and pharmacological inhibition of the cGAS-STING and type I/III IFN pathways as well as ACE2 overexpression overcome these blocks. SARS-CoV-2 replication in STING knockout cell lines and primary airway cultures induces ISG expression but only in uninfected bystander cells, demonstrating efficient antagonism of the type I/III IFN-pathway in productively infected cells. Pharmacological inhibition of STING in primary airway cells enhances SARS-CoV-2 replication and reduces virus-induced innate immune activation. Together, our study highlights that tonic activation of the cGAS-STING and IFN pathways can impact SARS-CoV-2 cellular tropism in a manner dependent on ACE2 expression levels.
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Affiliation(s)
- Maritza Puray-Chavez
- Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, MO, USA
| | - Jenna E Eschbach
- Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, MO, USA
| | - Ming Xia
- Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, MO, USA
| | - Kyle M LaPak
- Department of Cell Biology and Physiology, Washington University School of Medicine, St. Louis, MO, USA
| | - Qianzi Zhou
- Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, MO, USA
| | - Ria Jasuja
- Department of Cell Biology and Physiology, Washington University School of Medicine, St. Louis, MO, USA
| | - Jiehong Pan
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Jian Xu
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Zixiang Zhou
- Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, MO, USA
| | - Shawn Mohammed
- Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, MO, USA
| | - Qibo Wang
- Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, MO, USA
| | - Dana Q Lawson
- Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, MO, USA
| | - Sanja Djokic
- Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, MO, USA
| | - Gaopeng Hou
- Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, MO, USA
| | - Siyuan Ding
- Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, MO, USA
| | - Steven L Brody
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Michael B Major
- Department of Cell Biology and Physiology, Washington University School of Medicine, St. Louis, MO, USA
- Department of Otolaryngology, Washington University School of Medicine, St. Louis, MO, USA
| | - Dennis Goldfarb
- Department of Cell Biology and Physiology, Washington University School of Medicine, St. Louis, MO, USA
- Institute for Informatics, Data Science & Biostatistics, Washington University School of Medicine, St. Louis, MO, USA
| | - Sebla B Kutluay
- Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, MO, USA.
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2
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Xue L, Liu R, Zhang L, Qiu T, Liu L, Yin R, Jiang T. Discovery of novel nitrofuran PROTAC-like compounds as dual inhibitors and degraders targeting STING. Eur J Med Chem 2024; 279:116883. [PMID: 39303513 DOI: 10.1016/j.ejmech.2024.116883] [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: 08/09/2024] [Revised: 09/11/2024] [Accepted: 09/13/2024] [Indexed: 09/22/2024]
Abstract
Aberrant activation of the innate immune molecule STING can initiate inflammation and autoimmune diseases. Small molecule inhibitors targeting STING have demonstrated therapeutic efficacy against these conditions. Moreover, employing degradants to target STING represents a novel approach to drug design strategy. Consequently, we have designed and synthesized a series of covalent degradants targeting STING. Among them, compound P8 exhibited the highest degradation capacity, with a 24-h DC50 of 2.58 μM in THP-1 cells. In THP-1 cells, P8 specifically degraded STING proteins through the lysosomal pathway, acting as dual a degrader and inhibitor to manifest anti-inflammatory effects. Conversely, in RAW264.7 cells, P8 solely acted as an inhibitor without exhibiting degradative capacity towards the STING protein level. Additionally, P8 displayed renal-protective properties in a cisplatin-induced acute kidney injury model. These results highlight the significant potential of further investigating compound P8.
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Affiliation(s)
- Liang Xue
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, China; Laboratory for Marine Drugs and Bioproducts, Qingdao Marine Science and Technology Center, Qingdao, 266237, China
| | - Ruixue Liu
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, China; Laboratory for Marine Drugs and Bioproducts, Qingdao Marine Science and Technology Center, Qingdao, 266237, China
| | - Lican Zhang
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, China; Laboratory for Marine Drugs and Bioproducts, Qingdao Marine Science and Technology Center, Qingdao, 266237, China
| | - Tingting Qiu
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, China; Laboratory for Marine Drugs and Bioproducts, Qingdao Marine Science and Technology Center, Qingdao, 266237, China
| | - Lu Liu
- Marine Biomedical Research Institute of Qingdao, Qingdao, 266237, China
| | - Ruijuan Yin
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, China; Laboratory for Marine Drugs and Bioproducts, Qingdao Marine Science and Technology Center, Qingdao, 266237, China; Marine Biomedical Research Institute of Qingdao, Qingdao, 266237, China.
| | - Tao Jiang
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, China; Laboratory for Marine Drugs and Bioproducts, Qingdao Marine Science and Technology Center, Qingdao, 266237, China; Center for Innovative Drug Discovery, Greater Bay Area Institute of Precision Medicine (Guangzhou), Guangzhou, 511455, China.
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3
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Jiang H, Liu D, Wang J, Li J, Pang X, Shan H, Zhang K. Injectable and NIR-responsive CDN-POM hydrogels for combined non-inflammatory photo-immunotherapy. J Mater Chem B 2024; 12:8616-8625. [PMID: 39140256 DOI: 10.1039/d4tb01343c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/15/2024]
Abstract
Similar to clinically applied thermal ablation techniques, the cellular necrosis that occurs during photothermal tumor therapy (PTT) can induce inflammatory response, severely compromising the therapeutic efficacy and clinical translation of the PTT. Inspired by the remarkable ROS-scavenging activity and high photothermal efficiency of molybdenum-based polyoxometalate (POM) and the immunostimulatory effect of cyclic dinucleotides (CDNs), a NIR-responsive and injectable DNA-mediated hybrid hydrogel (CDN-POM) has been developed. The hydrogels have superior photothermal efficiency (43.41%) to POM, impressive anti-inflammatory capability and prolonged intratumoral CDN-releasing behavior, thus enabling synergistic anti-tumor therapeutic outcomes. Meanwhile, local treatment induced by CDN-POM hydrogels displays minimal side effects on normal tissue. Taking advantage of the high phototherapeutic effect, ROS-scavenging activity and sustained CDN release of CDN-POM hydrogels, a novel combined approach that integrates photothermal therapy and immunotherapy of breast tumor is successfully pioneered.
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Affiliation(s)
- Hailong Jiang
- Department of Interventional Medicine, the Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai 519000, China.
- Guangdong Provincial Engineering Research Center of Molecular Imaging, the Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai 519000, China
| | - Die Liu
- Guangdong Provincial Engineering Research Center of Molecular Imaging, the Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai 519000, China
| | - Jianing Wang
- Department of Cerebrovascular Disease, The Fifth Affiliated Hospital, Sun Yat-Sen University, Zhuhai 519000, China
| | - Jingchao Li
- Department of Nuclear Medicine, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Xinrui Pang
- Guangdong Provincial Engineering Research Center of Molecular Imaging, the Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai 519000, China
| | - Hong Shan
- Department of Interventional Medicine, the Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai 519000, China.
- Guangdong Provincial Engineering Research Center of Molecular Imaging, the Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai 519000, China
| | - Ke Zhang
- Department of Interventional Medicine, the Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai 519000, China.
- Guangdong Provincial Key Laboratory of Biomedical Imaging and Guangdong Provincial Engineering Research Center of Molecular Imaging, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, Guangdong Province 519000, China
- Guangdong-Hong Kong-Macao University Joint Laboratory of Interventional Medicine, the Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai 519000, China
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4
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Chiu HP, Yeo YY, Lai TY, Hung CT, Kowdle S, Haas GD, Jiang S, Sun W, Lee B. SARS-CoV-2 Nsp15 antagonizes the cGAS-STING-mediated antiviral innate immune responses. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.09.05.611469. [PMID: 39282446 PMCID: PMC11398466 DOI: 10.1101/2024.09.05.611469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 09/20/2024]
Abstract
Coronavirus (CoV) Nsp15 is a viral endoribonuclease (EndoU) with a preference for uridine residues. CoV Nsp15 is an innate immune antagonist which prevents dsRNA sensor recognition and stress granule formation by targeting viral and host RNAs. SARS-CoV-2 restricts and delays the host antiviral innate immune responses through multiple viral proteins, but the role of SARS-CoV-2 Nsp15 in innate immune evasion is not completely understood. Here, we generate an EndoU activity knockout rSARS-CoV-2Nsp15-H234A to elucidate the biological functions of Nsp15. Relative to wild-type rSARS-CoV-2, replication of rSARS-CoV-2Nsp15-H234A was significantly decreased in IFN-responsive A549-ACE2 cells but not in its STAT1 knockout counterpart. Transcriptomic analysis revealed upregulation of innate immune response genes in cells infected with rSARS-CoV-2Nsp15-H234A relative to wild-type virus, including cGAS-STING, cytosolic DNA sensors activated by both DNA and RNA viruses. Treatment with STING inhibitors H-151 and SN-011 rescued the attenuated phenotype of rSARS-CoV-2Nsp15-H234A. SARS-CoV-2 Nsp15 inhibited cGAS-STING-mediated IFN-β promoter and NF-κB reporter activity, as well as facilitated the replication of EV-D68 and NDV by diminishing cGAS and STING expression and downstream innate immune responses. Notably, the decline in cGAS and STING was also apparent during SARS-CoV-2 infection. The EndoU activity was essential for SARS-CoV-2 Nsp15-mediated cGAS and STING downregulation, but not all HCoV Nsp15 share the consistent substrate selectivity. In the hamster model, rSARS-CoV-2Nsp15-H234A replicated to lower titers in the nasal turbinates and lungs and induced higher innate immune responses. Collectively, our findings exhibit that SARS-CoV-2 Nsp15 serves as a host innate immune antagonist by targeting host cGAS and STING.
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Affiliation(s)
- Hsin-Ping Chiu
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Yao Yu Yeo
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States
- Program in Virology, Division of Medical Sciences, Harvard Medical School, Boston, MA, United States
| | - Tsoi Ying Lai
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Chuan-Tien Hung
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Shreyas Kowdle
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Griffin D Haas
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Sizun Jiang
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States
- Program in Virology, Division of Medical Sciences, Harvard Medical School, Boston, MA, United States
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States
- Department of Pathology, Dana Farber Cancer Institute, Boston, MA, United States
- Broad Institute of Harvard and MIT, Cambridge, MA, United States
| | - Weina Sun
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Benhur Lee
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, United States
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5
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Li Y, Zhao D, Chen D, Sun Q. Targeting protein condensation in cGAS-STING signaling pathway. Bioessays 2024; 46:e2400091. [PMID: 38962845 DOI: 10.1002/bies.202400091] [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: 04/13/2024] [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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6
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Yu L, Liu P. cGAS/STING signalling pathway in senescence and oncogenesis. Semin Cancer Biol 2024; 106-107:87-102. [PMID: 39222763 DOI: 10.1016/j.semcancer.2024.08.007] [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: 08/09/2024] [Revised: 08/25/2024] [Accepted: 08/27/2024] [Indexed: 09/04/2024]
Abstract
The cGAS/STING signaling pathway is a crucial component of the innate immune system, playing significant roles in sensing cytosolic DNA, regulating cellular senescence, and contributing to oncogenesis. Recent advances have shed new lights into the molecular mechanisms governing pathway activation in multiple pathophysiological settings, the indispensable roles of cGAS/STING signaling in cellular senescence, and its context-dependent roles in cancer development and suppression. This review summarizes current knowledge related to the biology of cGAS/STING signaling pathway and its participations into senescence and oncogenesis. We further explore the clinical implications and therapeutic potential for cGAS/STING targeted therapies, and faced challenges in the field. With a focus on molecular mechanisms and emerging pharmacological targets, this review underscores the importance of future studies to harness the therapeutic potential of the cGAS/STING pathway in treating senescence-related disorders and cancer. Advanced understanding of the regulatory mechanisms of cGAS/STING signaling, along with the associated deregulations in diseases, combined with the development of new classes of cGAS/STING modulators, hold great promises for creating novel and effective therapeutic strategies. These advancements could address current treatment challenges and unlock the full potential of cGAS/STING in treating senescence-related disorders and oncogenesis.
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Affiliation(s)
- Le Yu
- Lineberger Comprehensive Cancer Center, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA; Department of Biochemistry and Biophysics, School of Medicine, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Pengda Liu
- Lineberger Comprehensive Cancer Center, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA; Department of Biochemistry and Biophysics, School of Medicine, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.
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7
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Zhang Y, Liu Y, Jiang B, Chen L, Hu J, Niu B, Chang J, Fan Z, Zhou J, Wang Y, Teng D, Ma N, Wang X, Yang R, Zheng M, Zhang S. Targeting STING oligomerization with licochalcone D ameliorates STING-driven inflammatory diseases. SCIENCE CHINA. LIFE SCIENCES 2024:10.1007/s11427-024-2703-6. [PMID: 39190126 DOI: 10.1007/s11427-024-2703-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Accepted: 08/09/2024] [Indexed: 08/28/2024]
Abstract
The development of STING inhibitors for the treatment of STING-related inflammatory diseases continues to encounter significant challenges. The activation of STING is a multi-step process that includes binding with cGAMP, self-oligomerization, and translocation from the endoplasmic reticulum to the Golgi apparatus, ultimately inducing the expression of IRF3 and NF-κB-mediated interferons and inflammatory cytokines. It has been demonstrated that disruption of any of these steps can effectively inhibit STING activation. Traditional structure-based drug screening methodologies generally focus on specific binding sites. In this study, a TransformerCPI model based on protein primary sequences and independent of binding sites is employed to identify compounds capable of binding to the STING protein. The natural product Licochalcone D (LicoD) is identified as a potent and selective STING inhibitor. LicoD does not bind to the classical ligand-binding pocket; instead, it covalently modifies the Cys148 residue of STING. This modification inhibits STING oligomerization, consequently suppressing the recruitment of TBK1 and the nuclear translocation of IRF3 and NF-κB. LicoD treatment ameliorates the inflammatory phenotype in Trex1-1- mice and inhibits the progression of DSS-induced colitis and AOM/DSS-induced colitis-associated colon cancer (CAC). In summary, this study reveals the potential of LicoD in treating STING-driven inflammatory diseases. It also demonstrates the utility of the TransformerCPI model in discovering allosteric compounds beyond the conventional binding pockets.
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Affiliation(s)
- Yinghui Zhang
- Drug Discovery and Design Center, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yadan Liu
- Drug Discovery and Design Center, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Bing Jiang
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Lifan Chen
- Drug Discovery and Design Center, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Jie Hu
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Buying Niu
- Drug Discovery and Design Center, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Jie Chang
- Drug Discovery and Design Center, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Zisheng Fan
- Drug Discovery and Design Center, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
- Shanghai Institute for Advanced Immunochemical Studies, and School of Life Science and Technology, Shanghai Tech University, Shanghai, 200031, China
| | - Jingyi Zhou
- Drug Discovery and Design Center, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
- School of Physical Science and Technology, ShanghaiTech University, Shanghai, 200031, China
| | - Yajie Wang
- University of Chinese Academy of Sciences, Beijing, 100049, China
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024, China
| | - Dan Teng
- Drug Discovery and Design Center, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Ning Ma
- University of Chinese Academy of Sciences, Beijing, 100049, China
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024, China
| | - Xiaofeng Wang
- University of Chinese Academy of Sciences, Beijing, 100049, China
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024, China
| | - Ruirui Yang
- University of Chinese Academy of Sciences, Beijing, 100049, China.
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024, China.
| | - Mingyue Zheng
- Drug Discovery and Design Center, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China.
- University of Chinese Academy of Sciences, Beijing, 100049, China.
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024, China.
- Shanghai Institute for Advanced Immunochemical Studies, and School of Life Science and Technology, Shanghai Tech University, Shanghai, 200031, China.
- School of Physical Science and Technology, ShanghaiTech University, Shanghai, 200031, China.
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University, Nanjing, 210023, China.
| | - Sulin Zhang
- Drug Discovery and Design Center, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China.
- University of Chinese Academy of Sciences, Beijing, 100049, China.
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8
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Hu B, Cui Y, Lee JJ, Ma JX, Duerfeldt AS. Design and Assessment of First-Generation Heterobifunctional PPARα/STING Modulators. ACS Med Chem Lett 2024; 15:1279-1286. [PMID: 39140058 PMCID: PMC11318021 DOI: 10.1021/acsmedchemlett.4c00153] [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: 04/08/2024] [Revised: 07/07/2024] [Accepted: 07/11/2024] [Indexed: 08/15/2024] Open
Abstract
Inflammatory retinal diseases such as diabetic retinopathy (DR) and age-related macular degeneration (AMD) are prominent causes of blindness in industrialized countries. The complexity of these diseases, involving diverse cell types and pathways that give rise to a multifactorial pathogenesis, complicates drug discovery. As such, therapies exhibiting polypharmacology are expected to improve outcomes through broader disease stage coverage and beneficial spatiotemporal effects. We report herein the first dual modulator of PPARα and STING, two targets tied to disparate pathologies in retinal diseases. Recognizing structural similarities between a reported STING inhibitor SN-013 and our previously described PPARα agonist A229, we designed BH400, which agonizes PPARα (EC50 = 1.2 μM) and inhibits STING (IC50 = 8.1 μM). BH400 demonstrates superior protection over single-target PPARα or STING modulation in microglial and photoreceptor cells. These findings provide compelling evidence for the potential benefit of polypharmacology in common retinal diseases through dual PPARα/STING modulation, motivating further studies.
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Affiliation(s)
- Bo Hu
- Department
of Medicinal Chemistry, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota 55414, United States
| | - Yi Cui
- Department
of Ophthalmology, Fujian Medical University
Union Hospital, Fuzhou, Fujian 350001, China
- Department
of Biochemistry, Wake Forest School of Medicine, Winston-Salem, North Carolina 27101, United States
| | - Julia J. Lee
- Department
of Medicinal Chemistry, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota 55414, United States
| | - Jian-Xing Ma
- Department
of Biochemistry, Wake Forest School of Medicine, Winston-Salem, North Carolina 27101, United States
| | - Adam S. Duerfeldt
- Department
of Medicinal Chemistry, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota 55414, United States
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9
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Tian M, Li F, Pei H. The cGAS-STING Pathway: A New Therapeutic Target for Ischemia-Reperfusion Injury in Acute Myocardial Infarction? Biomedicines 2024; 12:1728. [PMID: 39200193 PMCID: PMC11352180 DOI: 10.3390/biomedicines12081728] [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: 07/04/2024] [Revised: 07/18/2024] [Accepted: 07/31/2024] [Indexed: 09/02/2024] Open
Abstract
The innate immune system is the body's natural defense system, which recognizes a wide range of microbial molecules (such as bacterial DNA and RNA) and abnormal molecules within cells (such as misplaced DNA, self-antigens) to play its role. DNA released into the cytoplasm activates the cyclic GMP-AMP synthase (cGAS)-stimulator of interferon genes (STING) signaling pathway to initiate an immune response. Ischemia-reperfusion injury (IRI) after acute myocardial infarction refers to the phenomenon where myocardial tissue suffers further damage upon the restoration of blood flow. This issue is a significant clinical problem in the treatment of myocardial infarction, as it can diminish the effectiveness of reperfusion therapy and lead to further deterioration of cardiac function. Studies have found that the cGAS-STING signaling pathway is closely related to this phenomenon. Therefore, this review aims to describe the role of the cGAS-STING signaling pathway in ischemia-reperfusion injury after myocardial infarction and summarize the current development status of cGAS-STING pathway inhibitors and the application of nanomaterials to further elucidate the potential of this pathway as a therapeutic target.
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Affiliation(s)
- Mengxiang Tian
- Department of General Surgery, Xiangya Hospital, Central South University, Changsha 410083, China; (M.T.); (H.P.)
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410083, China
| | - Fengyuan Li
- Department of General Surgery, Xiangya Hospital, Central South University, Changsha 410083, China; (M.T.); (H.P.)
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410083, China
| | - Haiping Pei
- Department of General Surgery, Xiangya Hospital, Central South University, Changsha 410083, China; (M.T.); (H.P.)
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410083, China
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Zhang S, Huang R, Jing J, Wei X, Zhang Y, Wu Y, Ou G, Hu J, Wu Y, Li Y, Ying S, You Z. A phytomedicine extract exerts an anti-inflammatory response in the lungs by reducing STING-mediated type I interferon release. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 130:155373. [PMID: 38850630 DOI: 10.1016/j.phymed.2024.155373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 01/04/2024] [Accepted: 01/16/2024] [Indexed: 06/10/2024]
Abstract
BACKGROUND Acute respiratory distress syndrome (ARDS) is an acute respiratory disease characterized by bilateral chest radiolucency and severe hypoxemia. Quzhou Fructus Aurantii ethyl acetate extract (QFAEE), which is prepared from the traditional Chinese respiratory anti-inflammatory natural herb Quzhou Fructus Arantii, has the potential to alleviate ARDS. In this work, we aimed to investigate the potential and mechanism underlying the action of QFAEE on ARDS and how QFAEE modulates the STING pathway to reduce type I interferon release to alleviate the inflammatory response. METHODS Lipopolysaccharide (LPS), a potential proinflammatory stimulant capable of causing pulmonary inflammation with edema after nasal drops, was employed to model ARDS in vitro and in vivo. Under QFAEE intervention, the mechanism of action of QFAEE to alleviate ARDS was explored in this study. TREX1-/- mice were sued as a research model for the activation of the congenital STING signaling pathway. The effect of QFAEE on TREX1-/- mice could explain the STING-targeted effect of QFAEE on alleviating the inflammatory response. Our explorations covered several techniques, Western blot, histological assays, immunofluorescence staining, transcriptomic assays and qRT-PCR to determine the potential mechanism of action of QFAEE in antagonizing the inflammatory response in the lungs, as well as the mechanism of action of QFAEE in targeting the STING signaling pathway to regulate the release of type I interferon. RESULTS QFAEE effectively alleviates ARDS symptoms in LPS-induced ARDS. We revealed that the mechanism underlying LPS-induced ARDS is the STING-TBK1 signaling pathway and further elucidated the molecular mechanism of QFAEE in the prevention and treatment of ARDS. QFAEE reduced the release of type I interferons by inhibiting the STING-TBK1-IRF3 axis, thus alleviating LPS-induced pneumonia and lung cell death in mice. Another key finding is that activation of the STING pathway by activators or targeted knockdown of the TREX1 gene can also induce ARDS. As expected, QFAEE was found to be an effective protective agent in alleviating ARDS and the antagonistic effect of QFAEE on ARDS was achieved by inhibiting the STING signaling pathway. CONCLUSIONS The main anti-inflammatory effect of QFAEE was achieved by inhibiting the STING signaling pathway and reducing the release of type I interferons. According to this mechanism of effect, QFAEE can effectively alleviate ARDS and can be considered a potential therapeutic agent. In addition, the STING pathway plays an essential role in the development and progression of ARDS, and it is a potential target for ARDS therapy.
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Affiliation(s)
- Sheng Zhang
- Center for Safety Evaluation and Research, Hangzhou Medical College, Hangzhou 310013, China
| | - Rongrong Huang
- School of Public Health, Hangzhou Medical College, 182 Tianmushan Road, Hangzhou 310013, China; Key discipline of Zhejiang Province in Public Health and Preventive Medicine (First Class, Category A), Hangzhou Medical College, China
| | - Junsong Jing
- School of Public Health, Hangzhou Medical College, 182 Tianmushan Road, Hangzhou 310013, China; Key discipline of Zhejiang Province in Public Health and Preventive Medicine (First Class, Category A), Hangzhou Medical College, China
| | - Xueping Wei
- School of Public Health, Hangzhou Medical College, 182 Tianmushan Road, Hangzhou 310013, China; Key discipline of Zhejiang Province in Public Health and Preventive Medicine (First Class, Category A), Hangzhou Medical College, China
| | - Yu Zhang
- School of Public Health, Hangzhou Medical College, 182 Tianmushan Road, Hangzhou 310013, China; Key discipline of Zhejiang Province in Public Health and Preventive Medicine (First Class, Category A), Hangzhou Medical College, China
| | - Youping Wu
- National Clinical Research Center for Child Health, The Children's Hospital, Zhejiang University School of Medicine, Hangzhou 310000, China
| | - Guoteng Ou
- School of Public Health, Hangzhou Medical College, 182 Tianmushan Road, Hangzhou 310013, China
| | - Jingjin Hu
- School of Public Health, Hangzhou Medical College, 182 Tianmushan Road, Hangzhou 310013, China; Key discipline of Zhejiang Province in Public Health and Preventive Medicine (First Class, Category A), Hangzhou Medical College, China
| | - Yueguo Wu
- School of Pharmaceutical Sciences, Hangzhou Medical College, Hangzhou 310013, China
| | - Yuanyuan Li
- School of Pharmaceutical Sciences, Hangzhou Medical College, Hangzhou 310013, China
| | - Shibo Ying
- School of Public Health, Hangzhou Medical College, 182 Tianmushan Road, Hangzhou 310013, China; National Clinical Research Center for Child Health, The Children's Hospital, Zhejiang University School of Medicine, Hangzhou 310000, China.
| | - Zhenqiang You
- School of Public Health, Hangzhou Medical College, 182 Tianmushan Road, Hangzhou 310013, China; School of Environmental and Chemical Engineering, Shanghai University, Shanghai, China; Key discipline of Zhejiang Province in Public Health and Preventive Medicine (First Class, Category A), Hangzhou Medical College, China.
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陶 怀, 骆 金, 闻 志, 虞 亘, 苏 萧, 王 鑫, 关 翰, 陈 志. [High STING expression exacerbates renal ischemia-reperfusion injury in mice by regulating the TLR4/NF-κB/NLRP3 pathway and promoting inflammation and apoptosis]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2024; 44:1345-1354. [PMID: 39051080 PMCID: PMC11270667 DOI: 10.12122/j.issn.1673-4254.2024.07.14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Indexed: 07/27/2024]
Abstract
OBJECTIVE To investigate renal expression level of STING in mice with renal ischemia-reperfusion injury (IRI) and its regulatory role in IRI. METHODS C57BL/6 mice were divided into sham operation group, IRI (induced by clamping the renal artery) model group, IRI+DMSO treatment group, and IRI+SN-011 treatment group. Serum creatinine and blood urea nitrogen of the mice were analyzed, and pathological changes in the renal tissue were assessed with PAS staining. RT-qPCR, ELISA, Western blotting, and immunohistochemistry were used to detect the expression levels of STING, KIM-1, Bcl-2, Bax, caspase-3, TLR4, P65, NLRP3, caspase-1, CD68, MPO, IL-1β, IL-6, and TNF-α in the renal tissues. In the cell experiment, HK-2 cells exposed to hypoxia-reoxygenation (H/R) were treated with DMSO or SN-011, and cellular STING expression levels and cell apoptosis were analyzed using RT-qPCR, Western blotting or flow cytometry. RESULTS In C57BL/6 mice, renal IRI induced obvious renal tissue damage, elevation of serum creatinine and blood urea nitrogen levels and renal expression levels of KIM-1, STING, TLR4, P65, NLRP3, caspase-1, caspase-3, Bax, CD68, MPO, IL-1β, IL-6, and TNF-α, and reduction of Bcl-2 expression level. Treatment of the mouse models with SN-011 for inhibiting STING expression significantly alleviated these changes. In HK-2 cells, H/R exposure caused significant elevation of cellular STING expression and obviously increased cell apoptosis rate, which was significantly lowered by treatment with SN-011. CONCLUSION Renal STING expression is elevated in mice with renal IRI to exacerbate renal injury by regulating the TLR4/NF-κB/NLRP3 pathway and promoting inflammation and apoptosis in the renal tissues.
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Xue D, Zuo Q, Chang J, Wu X. The correlation between TRIM28 expression and immune checkpoints in CRPC. FASEB J 2024; 38:e23663. [PMID: 38958986 DOI: 10.1096/fj.202400061rr] [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: 01/09/2024] [Revised: 04/17/2024] [Accepted: 04/29/2024] [Indexed: 07/04/2024]
Abstract
This study delves into the unexplored realm of castration-resistant prostate cancer (CRPC) by investigating the role of TRIM28 and its intricate molecular mechanisms using high-throughput single-cell transcriptome sequencing and advanced bioinformatics analysis. Our comprehensive examination unveiled dynamic TRIM28 expression changes, particularly in immune cells such as macrophages and CD8+ T cells within CRPC. Correlation analyses with TCGA data highlighted the connection between TRIM28 and immune checkpoint expression and emphasized its pivotal influence on the quantity and functionality of immune cells. Using TRIM28 knockout mouse models, we identified differentially expressed genes and enriched pathways, unraveling the potential regulatory involvement of TRIM28 in the cGAS-STING pathway. In vitro, experiments further illuminated that TRIM28 knockout in prostate cancer cells induced a notable anti-tumor immune effect by inhibiting M2 macrophage polarization and enhancing CD8+ T cell activity. This impactful discovery was validated in an in situ transplant tumor model, where TRIM28 knockout exhibited a deceleration in tumor growth, reduced proportions of M2 macrophages, and enhanced infiltration of CD8+ T cells. In summary, this study elucidates the hitherto unknown anti-tumor immune role of TRIM28 in CRPC and unravels its potential regulatory mechanism via the cGAS-STING signaling pathway. These findings provide novel insights into the immune landscape of CRPC, offering promising directions for developing innovative therapeutic strategies.
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Affiliation(s)
- Dun Xue
- Department of Medical, the First Hospital of Changsha, Changsha, P. R. China
| | - Qian Zuo
- Department of Radiology, the First Hospital of Changsha, Changsha, P. R. China
| | - Jie Chang
- Department of Outpatient, the First Hospital of Changsha, Changsha, P. R. China
| | - Xinghui Wu
- Department of Urology, the First Hospital of Changsha, Changsha, P. R. China
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13
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Yu X, Cai L, Yao J, Li C, Wang X. Agonists and Inhibitors of the cGAS-STING Pathway. Molecules 2024; 29:3121. [PMID: 38999073 PMCID: PMC11243509 DOI: 10.3390/molecules29133121] [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: 05/31/2024] [Revised: 06/24/2024] [Accepted: 06/24/2024] [Indexed: 07/14/2024] Open
Abstract
The cyclic GMP-AMP synthase (cGAS)-stimulator of interferon genes (STING) pathway is pivotal in immunotherapy. Several agonists and inhibitors of the cGAS-STING pathway have been developed and evaluated for the treatment of various diseases. The agonists aim to activate STING, with cyclic dinucleotides (CDNs) being the most common, while the inhibitors aim to block the enzymatic activity or DNA binding ability of cGAS. Meanwhile, non-CDN compounds and cGAS agonists are also gaining attention. The omnipresence of the cGAS-STING pathway in vivo indicates that its overactivation could lead to undesired inflammatory responses and autoimmune diseases, which underscores the necessity of developing both agonists and inhibitors of the cGAS-STING pathway. This review describes the molecular traits and roles of the cGAS-STING pathway and summarizes the development of cGAS-STING agonists and inhibitors. The information is supposed to be conducive to the design of novel drugs for targeting the cGAS-STING pathway.
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Affiliation(s)
- Xiaoxuan Yu
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, School of Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210023, China
| | - Linxiang Cai
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Jingyue Yao
- Department of Pharmacy, Fourth Military Medical University, Xi’an 710032, China;
| | - Cenming Li
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, School of Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Xiaoyong Wang
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210023, China
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14
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Xu Q, Xing J, Wang S, Peng H, Liu Y. The role of the cGAS-STING pathway in metabolic diseases. Heliyon 2024; 10:e33093. [PMID: 38988528 PMCID: PMC11234105 DOI: 10.1016/j.heliyon.2024.e33093] [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: 01/18/2024] [Revised: 06/13/2024] [Accepted: 06/13/2024] [Indexed: 07/12/2024] Open
Abstract
The cyclic GMP-AMP synthase (cGAS)-stimulator of interferon genes (STING) pathway is a critical innate immune pathway primarily due to its vital DNA sensing mechanism in pathogen defence. Recent research advances have shown that excessive activation or damage to the cGAS-STING pathway can exacerbate chronic inflammatory responses, playing a significant role in metabolic dysfunction and aging, leading to the development of related diseases such as obesity, osteoporosis, and neurodegenerative diseases. This article reviews the structure and biological functions of the cGAS-STING signaling pathway and discusses in detail how this pathway regulates the occurrence and development of metabolic and age-related diseases. Additionally, this article introduces potential small molecule drugs targeting cGAS and STING, aiming to provide new research perspectives for studying the pathogenesis and treatment of metabolic-related diseases.
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Affiliation(s)
- Qian Xu
- Department of Endocrinology, The Affiliated People's Hospital of Jiangsu University, Zhenjiang Medical School of Nanjing Medical University, Zhenjiang, 212002, China
| | - Jie Xing
- Department of Laboratory Medicine, The Affiliated People's Hospital of Jiangsu University, Zhenjiang Medical School of Nanjing Medical University, Zhenjiang, 212002, China
| | - Shengjun Wang
- Department of Laboratory Medicine, The Affiliated People's Hospital of Jiangsu University, Zhenjiang Medical School of Nanjing Medical University, Zhenjiang, 212002, China
| | - Huiyong Peng
- Department of Laboratory Medicine, The Affiliated People's Hospital of Jiangsu University, Zhenjiang Medical School of Nanjing Medical University, Zhenjiang, 212002, China
| | - Yingzhao Liu
- Department of Endocrinology, The Affiliated People's Hospital of Jiangsu University, Zhenjiang Medical School of Nanjing Medical University, Zhenjiang, 212002, China
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15
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Ni B, Yang Z, Zhou T, Zhou H, Zhou Y, Lin S, Xu H, Lin X, Yi W, He C, Liu X. Therapeutic intervention in neuroinflammation for neovascular ocular diseases through targeting the cGAS-STING-necroptosis pathway. J Neuroinflammation 2024; 21:164. [PMID: 38918759 PMCID: PMC11197344 DOI: 10.1186/s12974-024-03155-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: 03/30/2024] [Accepted: 06/17/2024] [Indexed: 06/27/2024] Open
Abstract
The microglia-mediated neuroinflammation have been shown to play a crucial role in the ocular pathological angiogenesis process, but specific immunotherapies for neovascular ocular diseases are still lacking. This study proposed that targeting GMP-AMP synthase (cGAS)-stimulator of interferon genes (STING) might be a novel immunotherapy for these angiogenesis diseases. We found a significant upregulation of CGAS and STING genes in the RNA-seq data derived from retinal tissues of the patients with proliferative diabetic retinopathy. In experimental models of ocular angiogenesis including laser-induced choroidal neovascularization (CNV) and oxygen-induced retinopathy (OIR), the cGAS-STING pathway was activated as angiogenesis progressed. Either genetic deletion or pharmacological inhibition of STING resulted in a remarkable suppression of neovascularization in both models. Furthermore, cGAS-STING signaling was specifically activated in myeloid cells, triggering the subsequent RIP1-RIP3-MLKL pathway activation and leading to necroptosis-mediated inflammation. Notably, targeted inhibition of the cGAS-STING pathway with C-176 or SN-011 could significantly suppress pathological angiogenesis in CNV and OIR. Additionally, the combination of C-176 or SN-011 with anti-VEGF therapy led to least angiogenesis, markedly enhancing the anti-angiogenic effectiveness. Together, our findings provide compelling evidence for the importance of the cGAS-STING-necroptosis axis in pathological angiogenesis, highlighting its potential as a promising immunotherapeutic target for treating neovascular ocular diseases.
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Affiliation(s)
- Biyan Ni
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China
- Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China
| | - Ziqi Yang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China
- Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China
| | - Tian Zhou
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China
- Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China
| | - Hong Zhou
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China
- Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China
| | - Yang Zhou
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China
- Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China
| | - Shiya Lin
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China
- Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China
| | - Huiyi Xu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China
- Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China
| | - Xiaojing Lin
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China
- Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China
| | - Wei Yi
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China
- Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China
| | - Chang He
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China.
- Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China.
| | - Xialin Liu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China.
- Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China.
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Maimaiti M, Li C, Cheng M, Zhong Z, Hu J, Yang L, Zhang L, Hong Z, Song J, Pan M, Ma X, Cui S, Zhang P, Hao H, Wang C, Hu H. Blocking cGAS-STING pathway promotes post-stroke functional recovery in an extended treatment window via facilitating remyelination. MED 2024; 5:622-644.e8. [PMID: 38663402 DOI: 10.1016/j.medj.2024.03.018] [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: 02/13/2023] [Revised: 02/15/2024] [Accepted: 03/27/2024] [Indexed: 06/17/2024]
Abstract
BACKGROUND Ischemic stroke is a major cause of worldwide death and disability, with recombinant tissue plasminogen activator being the sole effective treatment, albeit with a limited treatment window. The cyclic GMP-AMP synthase (cGAS) and stimulator of interferon genes (STING) pathway is emerging as the major DNA-sensing pathway to invoke immune responses in neuroinflammatory disorders. METHODS By performing a series of neurobehavioral assessments, electrophysiological analysis, high-throughput sequencing, and cell-based assays based on the transient middle cerebral artery occlusion (tMCAO) mouse stroke model, we examined the effects and underlying mechanisms of genetic and pharmacological inhibition of the cGAS-STING pathway on long-term post-stroke neurological functional outcomes. FINDINGS Blocking the cGAS-STING pathway, even 3 days after tMCAO, significantly promoted functional recovery in terms of white matter structural and functional integrity as well as sensorimotor and cognitive functions. Mechanistically, the neuroprotective effects via inhibiting the cGAS-STING pathway were contributed not only by inflammation repression at the early stage of tMCAO but also by modifying the cell state of phagocytes to facilitate remyelination at the sub-acute phase. The activation of the cGAS-STING pathway significantly impeded post-stroke remyelination through restraining myelin debris uptake and degradation and hindering oligodendrocyte differentiation and maturation. CONCLUSIONS Manipulating the cGAS-STING pathway has an extended treatment window in promoting long-term post-stroke functional recovery via facilitating remyelination in a mouse stroke model. Our results highlight the roles of the cGAS-STING pathway in aggregating stroke pathology and propose a new way for improving functional recovery after ischemic stroke. FUNDING This work was primarily funded by the National Key R&D Program of China.
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Affiliation(s)
- Munire Maimaiti
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Chenhui Li
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, China.
| | - Mingxing Cheng
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Ziwei Zhong
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Jiameng Hu
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Lei Yang
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Lele Zhang
- Central Laboratory, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
| | - Ze Hong
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Jinyi Song
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Mingyu Pan
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Xiaonan Ma
- Cellular and Molecular Biology Center, China Pharmaceutical University, Nanjing, China
| | - Shufang Cui
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Peng Zhang
- Central Laboratory, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
| | - Haiping Hao
- Jiangsu Provincial Key Laboratory of Drug Metabolism and Pharmacokinetics, State Key Laboratory of Natural Medicines, Key Laboratory of Drug Metabolism, China Pharmaceutical University, Nanjing, China; School of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Chen Wang
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, China.
| | - Haiyang Hu
- Central Laboratory, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China; Chongqing Innovation Institute of China Pharmaceutical University, Chongqing, China.
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17
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Fan JQ, Hong QM, Liu LS, Chen Q, Chen YH. Study of the antivirus function mediated by STING in Micropterus salmoides. FISH & SHELLFISH IMMUNOLOGY 2024; 149:109528. [PMID: 38570119 DOI: 10.1016/j.fsi.2024.109528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 03/18/2024] [Accepted: 03/27/2024] [Indexed: 04/05/2024]
Abstract
Stimulator of interferon genes (STING) has been demonstrated as a critical mediator in the innate immune response to cytosolic DNA and RNA derived from different pathogens. While the role of Micropterus salmoides STING (MsSTING) in largemouth bass virus is still unknown. In this study, RT-qPCR assay and Western-blot assay showed that the expression levels of MsSTING and its downstream genes were up-regulated after LMBV infection. Pull down experiment proved that a small peptide called Fusion peptide (FP) that previously reported to target to marine and human STING as a selective inhibitor also interacted with MsSTING in vitro. Comparing with the RNA-seq of Largemouth bass infected with LMBV singly, 326 genes were significantly up-regulated and 379 genes were significantly down-regulated in the FP plus LMBV group in which Largemouth bass was treatment with FP before LMBV-challenged. KEGG analysis indicated that the differentially expressed genes (DEGs) were mainly related to signaling transduction, infectious disease viral, immune system and endocrine system. Besides, the survival rate of LMBV-infected largemouth bass was highly decreased following FP treatment. Taken together, our study showed that MsSTING played an important role in immune response against LMBV infection.
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Affiliation(s)
- Jin-Quan Fan
- Institute of Modern Aquaculture Science and Engineering (IMASE), Key Laboratory for Healthy and Safe Aquaculture, College of Life Science, South China Normal University, Guangzhou, 510631, China
| | - Qian-Ming Hong
- Institute of Modern Aquaculture Science and Engineering (IMASE), Key Laboratory for Healthy and Safe Aquaculture, College of Life Science, South China Normal University, Guangzhou, 510631, China
| | - Li-Shi Liu
- Institute of Modern Aquaculture Science and Engineering (IMASE), Key Laboratory for Healthy and Safe Aquaculture, College of Life Science, South China Normal University, Guangzhou, 510631, China
| | - Qi Chen
- Institute of Modern Aquaculture Science and Engineering (IMASE), Key Laboratory for Healthy and Safe Aquaculture, College of Life Science, South China Normal University, Guangzhou, 510631, China
| | - Yi-Hong Chen
- Institute of Modern Aquaculture Science and Engineering (IMASE), Key Laboratory for Healthy and Safe Aquaculture, College of Life Science, South China Normal University, Guangzhou, 510631, China; Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, 519000, China.
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Zhou Y, Huang X, Jin Y, Qiu M, Ambe PC, Basharat Z, Hong W. The role of mitochondrial damage-associated molecular patterns in acute pancreatitis. Biomed Pharmacother 2024; 175:116690. [PMID: 38718519 DOI: 10.1016/j.biopha.2024.116690] [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: 02/08/2024] [Revised: 04/27/2024] [Accepted: 04/29/2024] [Indexed: 06/03/2024] Open
Abstract
Acute pancreatitis (AP) is one of the most common gastrointestinal tract diseases with significant morbidity and mortality. Current treatments remain unspecific and supportive due to the severity and clinical course of AP, which can fluctuate rapidly and unpredictably. Mitochondria, cellular power plant to produce energy, are involved in a variety of physiological or pathological activities in human body. There is a growing evidence indicating that mitochondria damage-associated molecular patterns (mtDAMPs) play an important role in pathogenesis and progression of AP. With the pro-inflammatory properties, released mtDAMPs may damage pancreatic cells by binding with receptors, activating downstream molecules and releasing inflammatory factors. This review focuses on the possible interaction between AP and mtDAMPs, which include cytochrome c (Cyt c), mitochondrial transcription factor A (TFAM), mitochondrial DNA (mtDNA), cardiolipin (CL), adenosine triphosphate (ATP) and succinate, with focus on experimental research and potential therapeutic targets in clinical practice. Preventing or diminishing the release of mtDAMPs or targeting the mtDAMPs receptors might have a role in AP progression.
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Affiliation(s)
- Yan Zhou
- Department of Gastroenterology and Hepatology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China; School of the First Clinical Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
| | - Xiaoyi Huang
- Department of Gastroenterology and Hepatology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China; School of the First Clinical Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
| | - Yinglu Jin
- Department of Gastroenterology and Hepatology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China; School of the First Clinical Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
| | - Minhao Qiu
- Department of Gastroenterology and Hepatology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
| | - Peter C Ambe
- Department of General Surgery, Visceral Surgery and Coloproctology, Vinzenz-Pallotti-Hospital Bensberg, Vinzenz-Pallotti-Str. 20-24, Bensberg 51429, Germany
| | | | - Wandong Hong
- Department of Gastroenterology and Hepatology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China.
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Ednacot EMQ, Nabhani A, Dinh DM, Morehouse BR. Pharmacological potential of cyclic nucleotide signaling in immunity. Pharmacol Ther 2024; 258:108653. [PMID: 38679204 DOI: 10.1016/j.pharmthera.2024.108653] [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: 01/07/2024] [Revised: 03/16/2024] [Accepted: 04/17/2024] [Indexed: 05/01/2024]
Abstract
Cyclic nucleotides are important signaling molecules that play many critical physiological roles including controlling cell fate and development, regulation of metabolic processes, and responding to changes in the environment. Cyclic nucleotides are also pivotal regulators in immune signaling, orchestrating intricate processes that maintain homeostasis and defend against pathogenic threats. This review provides a comprehensive examination of the pharmacological potential of cyclic nucleotide signaling pathways within the realm of immunity. Beginning with an overview of the fundamental roles of cAMP and cGMP as ubiquitous second messengers, this review delves into the complexities of their involvement in immune responses. Special attention is given to the challenges associated with modulating these signaling pathways for therapeutic purposes, emphasizing the necessity for achieving cell-type specificity to avert unintended consequences. A major focus of the review is on the recent paradigm-shifting discoveries regarding specialized cyclic nucleotide signals in the innate immune system, notably the cGAS-STING pathway. The significance of cyclic dinucleotides, exemplified by 2'3'-cGAMP, in controlling immune responses against pathogens and cancer, is explored. The evolutionarily conserved nature of cyclic dinucleotides as antiviral agents, spanning across diverse organisms, underscores their potential as targets for innovative immunotherapies. Findings from the last several years have revealed a striking diversity of novel bacterial cyclic nucleotide second messengers which are involved in antiviral responses. Knowledge of the existence and precise identity of these molecules coupled with accurate descriptions of their associated immune defense pathways will be essential to the future development of novel antibacterial therapeutic strategies. The insights presented herein may help researchers navigate the evolving landscape of immunopharmacology as it pertains to cyclic nucleotides and point toward new avenues or lines of thinking about development of therapeutics against the pathways they regulate.
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Affiliation(s)
- Eirene Marie Q Ednacot
- Department of Molecular Biology and Biochemistry, School of Biological Sciences, University of California Irvine, Irvine, CA 92697, USA; Department of Pharmaceutical Sciences, School of Pharmacy and Pharmaceutical Sciences, University of California Irvine, Irvine, CA 92697, USA
| | - Ali Nabhani
- Department of Molecular Biology and Biochemistry, School of Biological Sciences, University of California Irvine, Irvine, CA 92697, USA
| | - David M Dinh
- Department of Molecular Biology and Biochemistry, School of Biological Sciences, University of California Irvine, Irvine, CA 92697, USA
| | - Benjamin R Morehouse
- Department of Molecular Biology and Biochemistry, School of Biological Sciences, University of California Irvine, Irvine, CA 92697, USA; Department of Pharmaceutical Sciences, School of Pharmacy and Pharmaceutical Sciences, University of California Irvine, Irvine, CA 92697, USA; Institute for Immunology, University of California Irvine, Irvine, CA 92697, USA; Center for Virus Research, University of California Irvine, Irvine, CA 92697, USA.
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20
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Mutlu M, Schmidt I, Morrison AI, Goretzki B, Freuler F, Begue D, Simic O, Pythoud N, Ahrne E, Kapps S, Roest S, Bonenfant D, Jeanpierre D, Tran TTT, Maher R, An S, Rietsch A, Nigsch F, Hofmann A, Reece-Hoyes J, Parker CN, Guerini D. Small molecule induced STING degradation facilitated by the HECT ligase HERC4. Nat Commun 2024; 15:4584. [PMID: 38811577 PMCID: PMC11137104 DOI: 10.1038/s41467-024-48922-w] [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: 06/07/2023] [Accepted: 05/16/2024] [Indexed: 05/31/2024] Open
Abstract
Stimulator of interferon genes (STING) is a central component of the cytosolic nucleic acids sensing pathway and as such master regulator of the type I interferon response. Due to its critical role in physiology and its' involvement in a variety of diseases, STING has been a focus for drug discovery. Targeted protein degradation (TPD) has emerged as a promising pharmacology for targeting previously considered undruggable proteins by hijacking the cellular ubiquitin proteasome system (UPS) with small molecules. Here, we identify AK59 as a STING degrader leveraging HERC4, a HECT-domain E3 ligase. Additionally, our data reveals that AK59 is effective on the common pathological STING mutations, suggesting a potential clinical application of this mechanism. Thus, these findings introduce HERC4 to the fields of TPD and of compound-induced degradation of STING, suggesting potential therapeutic applications.
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Affiliation(s)
- Merve Mutlu
- Novartis BioMedical Research, Basel, Switzerland.
| | | | - Andrew I Morrison
- Novartis BioMedical Research, Basel, Switzerland
- Amsterdam UMC location Vrije Universiteit Amsterdam, Molecular Cell Biology & Immunology, Amsterdam institute for Infection and Immunity, De Boelelaan, 1117, Amsterdam, The Netherlands
| | | | | | - Damien Begue
- Novartis BioMedical Research, Basel, Switzerland
| | - Oliver Simic
- Novartis BioMedical Research, Basel, Switzerland
| | | | - Erik Ahrne
- Novartis BioMedical Research, Basel, Switzerland
| | - Sandra Kapps
- Novartis BioMedical Research, Basel, Switzerland
| | - Susan Roest
- Novartis BioMedical Research, Basel, Switzerland
| | - Debora Bonenfant
- Novartis BioMedical Research, Basel, Switzerland
- Monte Rosa Therapeutics, Basel, Switzerland
| | | | | | - Rob Maher
- Novartis BioMedical Research, Cambridge, MA, USA
| | - Shaojian An
- Novartis BioMedical Research, Cambridge, MA, USA
| | | | | | | | - John Reece-Hoyes
- Novartis BioMedical Research, Cambridge, MA, USA
- Vector Biology, Cambridge, MA, USA
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21
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Yang SM, Li YB, Si HX, Wei Y, Ma FJ, Wang J, Chen T, Chen K. C-176 reduces inflammation-induced pain by blocking the cGAS-STING pathway in microglia. Int J Neurosci 2024:1-15. [PMID: 38738512 DOI: 10.1080/00207454.2024.2352025] [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: 03/20/2024] [Accepted: 04/30/2024] [Indexed: 05/14/2024]
Abstract
OBJECTIVE Inflammatory pain, is caused by lesions or diseases of the somatosensory tissue, is a prevalent chronic condition that profoundly impacts the quality of life. However, clinical treatment for this type of pain remains limited. Traditionally, the stimulation of microglia and subsequent inflammatory reactions are considered crucial elements to promote the worsening of inflammatory pain. Recent research has shown the crucial importance of the cGAS-STING pathway in promoting inflammation. It is still uncertain if the cGAS-STING pathway plays the role in the fundamental cause of inflammatory pain. We aim to explore the treatment of inflammatory pain by interfering with cGAS-STING signaling pathway. METHODS In this study, we established an inflammatory pain model by CFA into the plantar of mice. Activation of microglia, various inflammatory factors and cGAS-STING protein in the spinal dorsal horn were evaluated. Immunofluorescence staining was used to observe the cellular localization of cGAS and STING. The cGAS-STING pathway proteins expression and mRNA expression of indicated microglial M1/M2 phenotypic markers in the BV2 microglia were detected. STING inhibitor C-176 was intrathecal injected into mice with inflammatory pain, and the pain behavior and microglia were observed. RESULTS This research showed that injecting CFA into the left hind paw of mice caused mechanical allodynia and increased inflammation in the spine. Our research results suggested that the cGAS-STING pathway had a function in the inflammation mediated by microglia in the spinal cord dorsal horn. Blocking the cGAS-STING pathway using STING antagonists (C-176) led to reduced release of inflammatory factors and prevented M1 polarization of BV2 microglia in a laboratory setting. Additionally, intrathecal administration of C-176 reduced the allodynia in CFA treated mice. CONCLUSION Our results suggest that inhibiting microglial polarization through the cGAS-STING pathway represents a potential novel therapeutic strategy for inflammatory pain.
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Affiliation(s)
- Shan-Ming Yang
- College of Life Science, Northwest University, Xi'an, China
- Department of Anatomy, Histology and Embryology and K.K. Leung Brain Research Centre, School of Basic Medicine, Fourth Military Medical University, Xi'an, China
| | - Yuan-Bo Li
- School of Basic Medicine, Fourth Military Medical University, Xi'an, China
| | - Hua-Xing Si
- College of Life Science, Northwest University, Xi'an, China
- Department of Anatomy, Histology and Embryology and K.K. Leung Brain Research Centre, School of Basic Medicine, Fourth Military Medical University, Xi'an, China
| | - Yi Wei
- College of Life Science, Northwest University, Xi'an, China
- Department of Anatomy, Histology and Embryology and K.K. Leung Brain Research Centre, School of Basic Medicine, Fourth Military Medical University, Xi'an, China
| | - Fu-Juan Ma
- College of Life Science, Northwest University, Xi'an, China
- Department of Anatomy, Histology and Embryology and K.K. Leung Brain Research Centre, School of Basic Medicine, Fourth Military Medical University, Xi'an, China
| | - Jian Wang
- Department of Anatomy, Histology and Embryology and K.K. Leung Brain Research Centre, School of Basic Medicine, Fourth Military Medical University, Xi'an, China
| | - Tao Chen
- College of Life Science, Northwest University, Xi'an, China
- Department of Anatomy, Histology and Embryology and K.K. Leung Brain Research Centre, School of Basic Medicine, Fourth Military Medical University, Xi'an, China
| | - Kun Chen
- Department of Anatomy, Histology and Embryology and K.K. Leung Brain Research Centre, School of Basic Medicine, Fourth Military Medical University, Xi'an, China
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22
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Zhang Q, Shen L, Ruan H, Huang Z. cGAS-STING signaling in cardiovascular diseases. Front Immunol 2024; 15:1402817. [PMID: 38803502 PMCID: PMC11128581 DOI: 10.3389/fimmu.2024.1402817] [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: 03/18/2024] [Accepted: 04/29/2024] [Indexed: 05/29/2024] Open
Abstract
Sterile inflammation, characterized by a persistent chronic inflammatory state, significantly contributes to the progression of various diseases such as autoimmune, metabolic, neurodegenerative, and cardiovascular disorders. Recent evidence has increasingly highlighted the intricate connection between inflammatory responses and cardiovascular diseases, underscoring the pivotal role of the Stimulator of Interferon Genes (STING). STING is crucial for the secretion of type I interferon (IFN) and proinflammatory cytokines in response to cytosolic nucleic acids, playing a vital role in the innate immune system. Specifically, research has underscored the STING pathway involvement in unregulated inflammations, where its aberrant activation leads to a surge in inflammatory events, enhanced IFN I responses, and cell death. The primary pathway triggering STING activation is the cyclic GMP-AMP synthase (cGAS) pathway. This review delves into recent findings on STING and the cGAS-STING pathways, focusing on their regulatory mechanisms and impact on cardiovascular diseases. It also discusses the latest advancements in identifying antagonists targeting cGAS and STING, and concludes by assessing the potential of cGAS or STING inhibitors as treatments for cardiovascular diseases.
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Affiliation(s)
- Qianxin Zhang
- Department of Cardiology, The People’s Hospital of Yuhuan, Taizhou, Zhejiang, China
- Department of Cardiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
- The Key Laboratory of Cardiovascular Disease of Wenzhou, Department of Cardiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Lijuan Shen
- Department of Cardiology, The People’s Hospital of Yuhuan, Taizhou, Zhejiang, China
| | - Hongbiao Ruan
- Department of Cardiology, The People’s Hospital of Yuhuan, Taizhou, Zhejiang, China
| | - Zhouqing Huang
- Department of Cardiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
- The Key Laboratory of Cardiovascular Disease of Wenzhou, Department of Cardiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
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23
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Zuo Z, He S, Qiu Y, Guo R, He Y, Jiao C, Xia Y, Liu W, Luan C, Guo W. Salvianolic acid A prevents UV-induced skin damage by inhibiting the cGAS-STING pathway. Int Immunopharmacol 2024; 132:111971. [PMID: 38565040 DOI: 10.1016/j.intimp.2024.111971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 03/20/2024] [Accepted: 03/27/2024] [Indexed: 04/04/2024]
Abstract
DNA damage resulting from UV irradiation on the skin has been extensively documented in numerous studies. In our prior investigations, we demonstrated that UVB-induced DNA breakage from keratinocytes can activate the cGAS-STING pathway in macrophages. The cGAS-STING signaling pathway serves as the principal effector for detecting and responding to abnormal double-stranded DNA in the cytoplasm. Expanding on our previous findings, we have further validated that STING knockout significantly diminishes UVB-induced skin damage, emphasizing the critical role of cGAS-STING activation in this context. Salvianolic acid A, a principal active constituent of Salvia miltiorrhiza Burge, has been extensively studied for its therapeutic effects in conditions such as coronary heart disease, angina pectoris, and diabetic peripheral neuropathy. However, its effect on cGAS-STING pathway and its ability to alleviate skin damage have not been previously reported. In a co-culture system, supernatant from UVB-treated keratinocytes induced IRF3 activation in macrophages, and this activation was inhibited by salvianolic acid A. Our investigation, employing photodamage and photoaging models, establishes that salvianolic acid A effectively mitigates UV-induced epidermal thickening and collagen degeneration. Treatment with salvianolic acid A significantly reduced skin damage, epidermal thickness increase, and keratinocyte hyperproliferation compared to the untreated photo-damage and photoaging model groups. In summary, salvianolic acid A emerges as a promising candidate for preventing UV-induced skin damage by inhibiting cGAS-STING activation. This research enhances our understanding of the intricate mechanisms underlying skin photodamage and provides a potential avenue for the development of therapeutic interventions.
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Affiliation(s)
- Zhenqi Zuo
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, 163 Xianlin Avenue, Nanjing 210093, Nanjing, China
| | - Shengwei He
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, 163 Xianlin Avenue, Nanjing 210093, Nanjing, China
| | - Yinqi Qiu
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, 163 Xianlin Avenue, Nanjing 210093, Nanjing, China
| | - Runying Guo
- Dongguan Eastern Central Hospital, The Sixth Affiliated hospital of Jinan University, China
| | - Yingxue He
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, 163 Xianlin Avenue, Nanjing 210093, Nanjing, China
| | - Chenyang Jiao
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, 163 Xianlin Avenue, Nanjing 210093, Nanjing, China
| | - Yugui Xia
- Institute of Artificial Intelligence Biomedicine, Nanjing University, Nanjing, China. 10th Xinghuo Road, Jiangbei New District, Nanjing, China
| | - Wen Liu
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, 163 Xianlin Avenue, Nanjing 210093, Nanjing, China
| | - Chao Luan
- Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences & Peking Union Medical College, Nanjing, China.
| | - Wenjie Guo
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, 163 Xianlin Avenue, Nanjing 210093, Nanjing, China.
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24
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Xiu Y, Wang S, Zhang P, Li C, Wu Z, Wen J, Xu Y, Lv G, Zhao X, Dong X, Chen Y, Li J, Wang Y, Zou L, Xiao X, Bai Z. Total glucosides of paeony alleviates cGAS-STING-mediated diseases by blocking the STING-IRF3 interaction. Chin J Nat Med 2024; 22:402-415. [PMID: 38796214 DOI: 10.1016/s1875-5364(24)60572-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Indexed: 05/28/2024]
Abstract
In the realm of autoimmune and inflammatory diseases, the cyclic GMP-AMP synthase (cGAS) stimulator of interferon genes (STING) signaling pathway has been thoroughly investigated and established. Despite this, the clinical approval of drugs targeting the cGAS-STING pathway has been limited. The Total glucosides of paeony (TGP) is highly anti-inflammatory and is commonly used in the treatment of rheumatoid arthritis (RA), emerged as a subject of our study. We found that the TGP markedly reduced the activation of the cGAS-STING signaling pathway, triggered by various cGAS-STING agonists, in mouse bone marrow-derived macrophages (BMDMs) and Tohoku Hospital Pediatrics-1 (THP-1) cells. This inhibition was noted alongside the suppression of interferon regulatory factor 3 (IRF3) phosphorylation and the expression of interferon-beta (IFN-β), C-X-C motif chemokine ligand 10 (CXCL10), and inflammatory mediators such as tumor necrosis factor-alpha (TNF-α) and interleukin-6 (IL-6). The mechanism of action appeared to involve the TGP's attenuation of the STING-IRF3 interaction, without affecting STING oligomerization, thereby inhibiting the activation of downstream signaling pathways. In vivo, the TGP hindered the initiation of the cGAS-STING pathway by the STING agonist dimethylxanthenone-4-acetic acid (DMXAA) and exhibited promising therapeutic effects in a model of acute liver injury induced by lipopolysaccharide (LPS) and D-galactosamine (D-GalN). Our findings underscore the potential of the TGP as an effective inhibitor of the cGAS-STING pathway, offering a new treatment avenue for inflammatory and autoimmune diseases mediated by this pathway.
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Affiliation(s)
- Ye Xiu
- School of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou 350122, China; Department of Hepatology, The Fifth Medical Center of PLA General Hospital, Beijing 100039, China; China Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing 100039, China
| | - Sihao Wang
- Department of Hepatology, The Fifth Medical Center of PLA General Hospital, Beijing 100039, China; China Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing 100039, China
| | - Ping Zhang
- Department of Pharmacy, Medical Supplies Center of PLA General Hospital, Beijing 100039, China
| | - Chengwei Li
- School of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou 350122, China; Department of Hepatology, The Fifth Medical Center of PLA General Hospital, Beijing 100039, China; China Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing 100039, China
| | - Zhixin Wu
- Department of Hepatology, The Fifth Medical Center of PLA General Hospital, Beijing 100039, China; China Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing 100039, China
| | - Jincai Wen
- Department of Hepatology, The Fifth Medical Center of PLA General Hospital, Beijing 100039, China; China Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing 100039, China
| | - Yingjie Xu
- Department of Hepatology, The Fifth Medical Center of PLA General Hospital, Beijing 100039, China; China Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing 100039, China
| | - Guiji Lv
- Department of Hepatology, The Fifth Medical Center of PLA General Hospital, Beijing 100039, China; China Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing 100039, China
| | - Xiaomei Zhao
- Department of Hepatology, The Fifth Medical Center of PLA General Hospital, Beijing 100039, China; China Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing 100039, China
| | - Xu Dong
- Department of Hepatology, The Fifth Medical Center of PLA General Hospital, Beijing 100039, China; China Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing 100039, China
| | - Yichong Chen
- School of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou 350122, China
| | - Junjie Li
- Department of Hepatology, The Fifth Medical Center of PLA General Hospital, Beijing 100039, China; China Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing 100039, China
| | - Yan Wang
- Department of Hepatology, The Fifth Medical Center of PLA General Hospital, Beijing 100039, China; China Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing 100039, China
| | - Liang Zou
- School of Food and Biological Engineering, Chengdu University, Chengdu 610106, China.
| | - Xiaohe Xiao
- School of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou 350122, China; Department of Hepatology, The Fifth Medical Center of PLA General Hospital, Beijing 100039, China; China Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing 100039, China; National Key Laboratory of Kidney Diseases, Chinese PLA General Hospital, Beijing 100039, China.
| | - Zhaofang Bai
- School of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou 350122, China; Department of Hepatology, The Fifth Medical Center of PLA General Hospital, Beijing 100039, China; China Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing 100039, China; National Key Laboratory of Kidney Diseases, Chinese PLA General Hospital, Beijing 100039, China.
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25
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Jin Z, Zhang Y, Luo X, Geng M, Duan W, Xie Z, Zhang H. Design, synthesis, and evaluation of thiazolecarboxamide derivatives as stimulator of interferon gene inhibitors. Mol Divers 2024:10.1007/s11030-024-10860-6. [PMID: 38683489 DOI: 10.1007/s11030-024-10860-6] [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: 03/04/2024] [Accepted: 03/24/2024] [Indexed: 05/01/2024]
Abstract
Stimulator of interferon gene (STING) plays critical roles in the cytoplasmic DNA-sensing pathway and in the induction of inflammatory response. Aberrant cytoplasmic DNA accumulation and STING activation are implicated in numerous inflammatory and autoimmune diseases. Here, we reported the discovery of a series of thiazolecarboxamide-based STING inhibitors through a molecular planarity/symmetry disruption strategy. The privileged compound 15b significantly inhibited STING signaling and suppressed immune-inflammatory cytokine levels in both human and murine cells. In vivo experiments demonstrated 15b effectively ameliorated immune-inflammatory cytokines upregulation in MSA-2-stimulated and Trex1-D18N mice. Furthermore, compound 15b exhibited enhanced efficacy in suppressing interferon-stimulated gene 15 (ISG15), a critical positive feedback regulator of STING. Overall, compound 15b deserves further development for the treatment of STING-associated inflammatory and autoimmune diseases.
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Affiliation(s)
- Zechen Jin
- Small-Molecule Drug Research Center, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai, 201203, China
- School of Pharmacy, University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing, 100049, China
| | - Yan Zhang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai, 201203, China
| | - Xin Luo
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai, 201203, China
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, 138 Xian Lin Road, Nanjing, 210023, China
| | - Meiyu Geng
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai, 201203, China
- Shandong Laboratory of Yantai Drug Discovery, Bohai Rim Advanced Research Institute for Drug Discovery, Yantai, 264117, Shandong, China
| | - Wenhu Duan
- Small-Molecule Drug Research Center, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai, 201203, China
- School of Pharmacy, University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing, 100049, China
- Shandong Laboratory of Yantai Drug Discovery, Bohai Rim Advanced Research Institute for Drug Discovery, Yantai, 264117, Shandong, China
| | - Zuoquan Xie
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai, 201203, China.
| | - Hefeng Zhang
- Small-Molecule Drug Research Center, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai, 201203, China.
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26
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Gao KM, Chiang K, Jiang Z, Korkmaz FT, Janardhan HP, Trivedi CM, Quinton LJ, Gingras S, Fitzgerald KA, Marshak-Rothstein A. Endothelial cell expression of a STING gain-of-function mutation initiates pulmonary lymphocytic infiltration. Cell Rep 2024; 43:114114. [PMID: 38625791 PMCID: PMC11108094 DOI: 10.1016/j.celrep.2024.114114] [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: 08/19/2023] [Revised: 03/13/2024] [Accepted: 03/29/2024] [Indexed: 04/18/2024] Open
Abstract
Patients afflicted with Stimulator of interferon gene (STING) gain-of-function mutations frequently present with debilitating interstitial lung disease (ILD) that is recapitulated in mice expressing the STINGV154M mutation (VM). Prior radiation chimera studies revealed an unexpected and critical role for non-hematopoietic cells in initiating ILD. To identify STING-expressing non-hematopoietic cell types required for the development of ILD, we use a conditional knockin (CKI) model and direct expression of the VM allele to hematopoietic cells, fibroblasts, epithelial cells, or endothelial cells. Only endothelial cell-targeted VM expression results in enhanced recruitment of immune cells to the lung associated with elevated chemokine expression and the formation of bronchus-associated lymphoid tissue, as seen in the parental VM strain. These findings reveal the importance of endothelial cells as instigators of STING-driven lung disease and suggest that therapeutic targeting of STING inhibitors to endothelial cells could potentially mitigate inflammation in the lungs of STING-associated vasculopathy with onset in infancy (SAVI) patients or patients afflicted with other ILD-related disorders.
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Affiliation(s)
- Kevin MingJie Gao
- Division of Innate Immunity, Department of Medicine, University of Massachusetts Chan Medical School, Worcester, MA 01655, USA; Division of Rheumatology, Department of Medicine, University of Massachusetts Chan Medical School, Worcester, MA 01655, USA
| | - Kristy Chiang
- Division of Innate Immunity, Department of Medicine, University of Massachusetts Chan Medical School, Worcester, MA 01655, USA; Division of Rheumatology, Department of Medicine, University of Massachusetts Chan Medical School, Worcester, MA 01655, USA
| | - Zhaozhao Jiang
- Division of Innate Immunity, Department of Medicine, University of Massachusetts Chan Medical School, Worcester, MA 01655, USA
| | - Filiz T Korkmaz
- Division of Infectious Diseases and Immunology, Department of Medicine, University of Massachusetts Chan Medical School, Worcester, MA 01655, USA
| | - Harish P Janardhan
- Division of Cardiovascular Medicine, Department of Medicine, University of Massachusetts Chan Medical School, Worcester, MA 01655, USA
| | - Chinmay M Trivedi
- Division of Cardiovascular Medicine, Department of Medicine, University of Massachusetts Chan Medical School, Worcester, MA 01655, USA
| | - Lee J Quinton
- Division of Infectious Diseases and Immunology, Department of Medicine, University of Massachusetts Chan Medical School, Worcester, MA 01655, USA
| | - Sebastien Gingras
- Department of Immunology, University of Pittsburgh, Pittsburgh, PA 15260, USA
| | - Katherine A Fitzgerald
- Division of Innate Immunity, Department of Medicine, University of Massachusetts Chan Medical School, Worcester, MA 01655, USA.
| | - Ann Marshak-Rothstein
- Division of Infectious Diseases and Immunology, Department of Medicine, University of Massachusetts Chan Medical School, Worcester, MA 01655, USA.
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27
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Shi X, Wei M, Feng Y, Yang Y, Zhang X, Chen H, Xing Y, Wang K, Wang W, Wang L, Wang A, Zhang G. IFI16 Positively Regulates RIG-I-Mediated Type I Interferon Production in a STING-Independent Manner. DNA Cell Biol 2024; 43:197-205. [PMID: 38466944 DOI: 10.1089/dna.2023.0362] [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] [Indexed: 03/13/2024] Open
Abstract
Previous studies have shown that interferon gene-stimulating protein (STING) is essential for IFN-γ-inducible protein 16 (IFI16) as the DNA sensor and RNA sensor to induce transcription of type I interferon (IFN-I) and is essential for IFI16 to synergize with DNA sensor GMP-AMP (cGAMP) synthase (cGAS) in induction of IFN-I transcription. While other and our previous studies have shown that IFI16 enhanced retinoic acid-inducible gene I (RIG-I)-, which was an RNA sensor, and mitochondrial antiviral signaling (MAVS)-, which was the adaptor protein of RIG-I, induced production of IFN-I, so we wonder whether IFI16 regulates the signal pathway of RNA-RIG-I-MAVS-IFN-I in a STING-dependent manner. We used HEK 293T cells, which did not express endogenous STING and were unable to mount an innate immune response upon DNA transfection and found that IFI16 could enhance RIG-I- and MAVS-mediated induction of IFN-I in a STING-independent way. Furthermore, we found that upregulation of the expression of NF-kappa-B essential modulator (NEMO) by IFI16 was not the mechanism that IFI16 regulated the induction of IFN-I. In conclusion, we found that IFI16 regulated the signal pathway of RNA-RIG-I-MAVS-IFN-I in a STING-independent manner.
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Affiliation(s)
- Xibao Shi
- College of Life Sciences, Henan Normal University, Xinxiang, China
| | - Menglu Wei
- College of Life Sciences, Henan Normal University, Xinxiang, China
| | - Yuwen Feng
- College of Life Sciences, Henan Normal University, Xinxiang, China
| | - Yuanhao Yang
- College of Life Sciences, Henan Normal University, Xinxiang, China
| | - Xiaozhuan Zhang
- College of Life Sciences, Henan Normal University, Xinxiang, China
| | - Hao Chen
- College of Life Sciences, Henan Normal University, Xinxiang, China
| | - Yuqi Xing
- College of Life Sciences, Henan Normal University, Xinxiang, China
| | - Keqi Wang
- College of Life Sciences, Henan Normal University, Xinxiang, China
| | - Wensheng Wang
- College of Life Sciences, Henan Normal University, Xinxiang, China
| | - Li Wang
- Key Laboratory of Animal Immunology of the Ministry of Agriculture, Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, China
| | - Aiping Wang
- School of Life Sciences, Zhengzhou University, Zhengzhou, China
| | - Gaiping Zhang
- Key Laboratory of Animal Immunology of the Ministry of Agriculture, Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, China
- School of Life Sciences, Zhengzhou University, Zhengzhou, China
- School of Advanced Agricultural Sciences, Peking University, Beijing, China
- Longhu Laboratory of Advanced Immunology, Zhengzhou, China
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28
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Nakamura M, Ohoka N, Shibata N, Inoue T, Tsuji G, Demizu Y. Development of STING degrader with double covalent ligands. Bioorg Med Chem Lett 2024; 102:129677. [PMID: 38408510 DOI: 10.1016/j.bmcl.2024.129677] [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: 02/21/2024] [Accepted: 02/22/2024] [Indexed: 02/28/2024]
Abstract
Stimulator of interferon genes (STING), a homodimeric membrane receptor localized in the endoplasmic reticulum, plays a pivotal role in signaling innate immune responses. Inhibitors and proteolysis-targeting chimeras (PROTACs) targeting STING are promising compounds for addressing autoinflammatory and autoimmune disorders. In this study, we used a minimal covalent handle recently developed as the ligand portion of an E3 ligase. The engineered STING degrader with a low molecular weight compound covalently binds to STING and E3 ligase. Degrader 2 showed sustained STING degradation activity at lower concentrations (3 µM, 48 h, about 75 % degradation) compared to a reported STING PROTAC, SP23. This discovery holds significance for its potential in treating autoinflammatory and autoimmune diseases, offering promising avenues for developing more efficacious STING-targeted therapies.
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Affiliation(s)
- Miki Nakamura
- Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Division of Pharmaceutical Science of Okayama University, 1-1-1, Tsushimanaka, Kita 700-8530, Japan; Division of Organic Chemistry, National Institute of Health Sciences, 3-25-26, Tonomachi, Kawasaki, Kanagawa 210-9501, Japan
| | - Nobumichi Ohoka
- Division of Molecular Target and Gene Therapy Products, National Institute of Health Sciences, 3-25-26, Tonomachi, Kawasaki, Kanagawa 210-9501, Japan.
| | - Norihito Shibata
- Division of Biochemistry, National Institute of Health Sciences, 3-25-26, Tonomachi, Kawasaki, Kanagawa 210-9501, Japan
| | - Takao Inoue
- Division of Molecular Target and Gene Therapy Products, National Institute of Health Sciences, 3-25-26, Tonomachi, Kawasaki, Kanagawa 210-9501, Japan
| | - Genichiro Tsuji
- Division of Organic Chemistry, National Institute of Health Sciences, 3-25-26, Tonomachi, Kawasaki, Kanagawa 210-9501, Japan.
| | - Yosuke Demizu
- Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Division of Pharmaceutical Science of Okayama University, 1-1-1, Tsushimanaka, Kita 700-8530, Japan; Division of Organic Chemistry, National Institute of Health Sciences, 3-25-26, Tonomachi, Kawasaki, Kanagawa 210-9501, Japan; Graduate School of Medical Life Science, Yokohama City University, 1-7-29, Yokohama, Kanagawa 230-0045, Japan.
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29
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Xie J, Cheng J, Ko H, Tang Y. Cytosolic DNA sensors in neurodegenerative diseases: from physiological defenders to pathological culprits. EMBO Mol Med 2024; 16:678-699. [PMID: 38467840 PMCID: PMC11018843 DOI: 10.1038/s44321-024-00046-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: 10/11/2023] [Revised: 02/13/2024] [Accepted: 02/19/2024] [Indexed: 03/13/2024] Open
Abstract
Cytosolic DNA sensors are a group of pattern recognition receptors (PRRs) that vary in structures, molecular mechanisms, and origins but share a common function to detect intracellular microbial DNA and trigger the innate immune response like type 1 interferon production and autophagy. Cytosolic DNA sensors have been proven as indispensable defenders against the invasion of many pathogens; however, growing evidence shows that self-DNA misplacement to cytoplasm also frequently occurs in non-infectious circumstances. Accumulation of cytosolic DNA causes improper activation of cytosolic DNA sensors and triggers an abnormal autoimmune response, that significantly promotes pathological progression. Neurodegenerative diseases are a group of neurological disorders characterized by neuron loss and still lack effective treatments due to a limited understanding of pathogenesis. But current research has found a solid relationship between neurodegenerative diseases and cytosolic DNA sensing pathways. This review summarizes profiles of several major cytosolic DNA sensors and their common adaptor protein STING. It also discusses both the beneficial and detrimental roles of cytosolic DNA sensors in the genesis and progression of neurodegenerative diseases.
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Affiliation(s)
- Jiatian Xie
- Department of Neurology, Sun Yat-Sen Memorial Hospital, Sun Yat-sen University, Guangzhou, 510120, China
- Brain Research Center, Sun Yat-sen Memorial Hospital, Sun Yat‑sen University, Guangzhou, 510120, China
- Nanhai Translational Innovation Center of Precision Immunology, Sun Yat-sen Memorial Hospital, Foshan, 528200, China
| | - Jinping Cheng
- Department of Neurology, Sun Yat-Sen Memorial Hospital, Sun Yat-sen University, Guangzhou, 510120, China
- Brain Research Center, Sun Yat-sen Memorial Hospital, Sun Yat‑sen University, Guangzhou, 510120, China
- Nanhai Translational Innovation Center of Precision Immunology, Sun Yat-sen Memorial Hospital, Foshan, 528200, China
| | - Ho Ko
- Division of Neurology, Department of Medicine and Therapeutics & Li Ka Shing Institute of Health Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Yamei Tang
- Department of Neurology, Sun Yat-Sen Memorial Hospital, Sun Yat-sen University, Guangzhou, 510120, China.
- Brain Research Center, Sun Yat-sen Memorial Hospital, Sun Yat‑sen University, Guangzhou, 510120, China.
- Nanhai Translational Innovation Center of Precision Immunology, Sun Yat-sen Memorial Hospital, Foshan, 528200, China.
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30
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Chu L, Qian L, Chen Y, Duan S, Ding M, Sun W, Meng W, Zhu J, Wang Q, Hao H, Wang C, Cui S. HERC5-catalyzed ISGylation potentiates cGAS-mediated innate immunity. Cell Rep 2024; 43:113870. [PMID: 38421872 DOI: 10.1016/j.celrep.2024.113870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 01/29/2024] [Accepted: 02/09/2024] [Indexed: 03/02/2024] Open
Abstract
The cytosolic DNA sensor cyclic GMP-AMP synthase (cGAS) is essential to elicit type I interferon cascade response; thus, the activity of cGAS must be strictly regulated to boost the antiviral innate immunity. Here, we report that cGAS is responsible for the DNA-induced ISG15 conjugation system. The E3 HERC5 catalyzes the ISGylation of cytoplasmic cGAS at lysine 21, 187, 219, and 458, whereas Ubl carboxy-terminal hydrolase 18 removes the ISGylation of cGAS. The interaction of cGAS and HERC5 depends on the cGAS C-terminal domain and the RRC1-4 and RRC1-5 domains of HERC5. Mechanically, HERC5-catalyzed ISGylation promotes DNA-induced cGAS oligomerization and enhances cGAS enzymatic activity. Deficiency of ISGylation attenuates the downstream inflammatory gene expression induced by the cGAS-STING axis and the antiviral ability in mouse and human cells. Mice deficient in Isg15 or Herc6 are more vulnerable to herpes simplex virus 1 infection. Collectively, our study shows a positive feedback regulation of the cGAS-mediated innate immune pathway by ISGylation.
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Affiliation(s)
- Lei Chu
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, 639 Longmian Avenue, Jiangning District, Nanjing 211198, China
| | - Li Qian
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, 639 Longmian Avenue, Jiangning District, Nanjing 211198, China
| | - Yu Chen
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, 639 Longmian Avenue, Jiangning District, Nanjing 211198, China
| | - Shengnan Duan
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, 639 Longmian Avenue, Jiangning District, Nanjing 211198, China
| | - Ming Ding
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, 639 Longmian Avenue, Jiangning District, Nanjing 211198, China
| | - Wu Sun
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, 639 Longmian Avenue, Jiangning District, Nanjing 211198, China
| | - Wei Meng
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, 639 Longmian Avenue, Jiangning District, Nanjing 211198, China
| | - Juanjuan Zhu
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, 639 Longmian Avenue, Jiangning District, Nanjing 211198, China
| | - Quanyi Wang
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, 639 Longmian Avenue, Jiangning District, Nanjing 211198, China
| | - Haiping Hao
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, 639 Longmian Avenue, Jiangning District, Nanjing 211198, China
| | - Chen Wang
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, 639 Longmian Avenue, Jiangning District, Nanjing 211198, China.
| | - Shufang Cui
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, 639 Longmian Avenue, Jiangning District, Nanjing 211198, China.
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Zhong M, Long M, Han C, Ji S, Yang Q. STING is significantly increased in high-grade glioma with high risk of recurrence. Oncoimmunology 2024; 13:2327682. [PMID: 38516268 PMCID: PMC10956623 DOI: 10.1080/2162402x.2024.2327682] [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: 08/01/2023] [Accepted: 03/04/2024] [Indexed: 03/23/2024] Open
Abstract
In this study, we aimed to comprehensively characterize the potential relationships among the frequently mutated genes, well-known homologous recombination repair (HRR) proteins, and immune proteins in glioma from a clinical perspective. A total of 126 surgical tissues from patients initially diagnosed with glioma were included. The genetic alterations were tested using the targeted next-generation sequencing technique. The expression of HRR proteins, immune proteins, and genetic alteration-related proteins were detected using immunostaining. Integrated analysis showed that ATRX is positively correlated with STING in high-grade glioma (HGG) with wild-type ATRX and IDH1. Then, a relapse predictive risk-scoring model was established using the least absolute shrinkage and selection operator regression algorithms. The scores based on the expression of ATRX and STING significantly predict the recurrence for glioma patients, which further predict the survival for specific subgroups, characterized with high expression of RAD51 and wild-type TERT. Moreover, STING is significantly higher in patients with high relapse risk. Interestingly, STING inhibitors and agonists both suppress the growth of HGG cells, regardless of their STING levels and STING pathway activity, whereas RAD51 inhibitor B02 is found to exclusively sensitize HGG cells with high expression of STING to temozolomide in vitro and in vivo. Overall, findings in the study not only reveal that ATRX is closely correlated with STING to drive the relapse of HGG, but also provide a STING-guided combined strategy to treat patients with aggressive gliomas. Translation of these findings will ultimately improve the outcomes for ATRX and IDH1 genomically stratified subgroups in HGG.
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Affiliation(s)
- Meishi Zhong
- Department of Pathology, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Manmei Long
- Department of Pathology, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chenjie Han
- Department of Pathology, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Saiyan Ji
- Department of Pathology, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qingyuan Yang
- Department of Pathology, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Jia Y, Li F, Liu Z, Liu S, Huang M, Gao X, Su X, Wang Z, Wang T. Interaction between the SFTSV envelope glycoprotein Gn and STING inhibits the formation of the STING-TBK1 complex and suppresses the NF-κB signaling pathway. J Virol 2024; 98:e0181523. [PMID: 38421179 PMCID: PMC10949458 DOI: 10.1128/jvi.01815-23] [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] [Accepted: 02/11/2024] [Indexed: 03/02/2024] Open
Abstract
Severe fever with thrombocytopenia syndrome virus (SFTSV) is an emerging tick-borne bunyavirus with high pathogenicity. There has been a gradual increase in the number of reported cases in recent years, with high morbidity and mortality rates. The cyclic GMP-AMP synthase (cGAS)-stimulator of interferon genes (STING) signaling pathway plays an important role in the innate immune defense activated by viral infection; however, the role of the cGAS-STING signaling pathway during SFTSV infection is still unclear. In this study, we investigated the relationship between SFTSV infection and cGAS-STING signaling. We found that SFTSV infection caused the release of mitochondrial DNA into the cytoplasm and inhibits downstream innate immune signaling pathways by activating the cytoplasmic DNA receptor cGAS. We found that the SFTSV envelope glycoprotein Gn was a potent inhibitor of the cGAS-STING pathway and blocked the nuclear accumulation of interferon regulatory factor 3 and p65 to inhibit downstream innate immune signaling. Gn of SFTSV interacted with STING to inhibit STING dimerization and inhibited K27-ubiquitin modification of STING to disrupt the assembly of the STING-TANK-binding kinase 1 complex and downstream signaling. In addition, Gn was found to be involved in inducing STING degradation, further inhibiting the downstream immune response. In conclusion, this study identified the important role of the glycoprotein Gn in the antiviral innate immune response and revealed a novel mechanism of immune escape for SFTSV. Moreover, this study increases the understanding of the pathogenic mechanism of SFTSV and provides new insights for further treatment of SFTS. IMPORTANCE Severe fever with thrombocytopenia syndrome virus (SFTSV) is a newly discovered virus associated with severe hemorrhagic fever in humans. However, the role of the cyclic GMP-AMP synthase (cGAS)-stimulator of interferon genes (STING) signaling pathway during SFTSV infection is still unclear. We found that SFTSV infection inhibits downstream innate immune signaling pathways by activating the cytoplasmic DNA receptor cGAS. In addition, SFTSV Gn blocked the nuclear accumulation of interferon regulatory factor 3 and p65 to inhibit downstream innate immune signaling. Moreover, we determined that Gn of SFTSV inhibited K27-ubiquitin modification of STING to disrupt the assembly of the STING-TANK-binding kinase 1 complex and downstream signaling. We found that the SFTSV envelope glycoprotein Gn is a potent inhibitor of the cGAS-STING pathway. In conclusion, this study highlights the crucial function of the glycoprotein Gn in the antiviral innate immune response and reveals a new method of immune escape of SFTSV.
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Affiliation(s)
- Yupei Jia
- School of Life Sciences, Tianjin University, Tianjin, China
| | - Feifei Li
- School of Life Sciences, Tianjin University, Tianjin, China
| | - Zixiang Liu
- School of Life Sciences, Tianjin University, Tianjin, China
| | - Sihua Liu
- School of Life Sciences, Tianjin University, Tianjin, China
| | - Mengqian Huang
- School of Life Sciences, Tianjin University, Tianjin, China
| | - Xiaoning Gao
- School of Life Sciences, Tianjin University, Tianjin, China
| | - Xin Su
- School of Life Sciences, Tianjin University, Tianjin, China
| | - Zhiyun Wang
- School of Environmental Science and Engineering, Tianjin University, Tianjin, China
| | - Tao Wang
- School of Life Sciences, Tianjin University, Tianjin, China
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33
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Zhou XW, Wang J, Tan WF. Apigenin Suppresses Innate Immune Responses and Ameliorates Lipopolysaccharide-Induced Inflammation via Inhibition of STING/IRF3 Pathway. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2024; 52:471-492. [PMID: 38480499 DOI: 10.1142/s0192415x24500204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/18/2024]
Abstract
The stimulator of interferon genes (STING) signaling pathway is crucial for the pathogenesis of autoimmune and inflammatory disorders, including acute lung injury (ALI). Apigenin (4[Formula: see text],5,7-trihydroxyflavone) is a natural flavonoid widely found in fruits, vegetables, and Chinese medicinal herbs that exhibits a range of pharmacological effects, such as antibacterial and anti-inflammatory activities. However, the efficacy of apigenin in STING pathway-mediated diseases remains unclear. Accordingly, this study screened Chinese medicines to identify potent agents that reduced the synthesis of type I interferons (IFNs). The results revealed apigenin as a potent compound with low cytotoxicity that markedly reduced the synthesis of type I IFNs in response to STING pathway agonists. Besides, apigenin markedly suppressed innate immune responses triggered by the STING agonist SR-717. Mechanistically, apigenin downregulated IFN beta 1 (IFNB1) expression mediated by the STING pathway via dose-dependent inhibition of STING expression, reduction of dimerization, nuclear translocation of phosphorylated IRF3, and disruption of the association between STING and IRF3. Moreover, apigenin effectively mitigated pathological pulmonary inflammation and lung edema in lipopolysaccharide (LPS)-induced ALI in mice. Apigenin further strongly attenuated the hallmarks of immoderate inflammation (interleukin (IL)-6, IL-1[Formula: see text], and tumor necrosis factor [Formula: see text]) and innate immune responses (IFNB1, C-X-C motif chemokine ligand 10, and IFN-stimulated gene 15) by preventing the activation of the STING/IRF3 pathway both in vitro and in vivo. Importantly, SR-717 significantly reversed the inhibitory effects of apigenin in LPS-induced THP1-BlueTM ISG macrophages. Collectively, apigenin effectively alleviated innate immune responses and mitigated inflammation in LPS-induced ALI via inhibition of the STING/IRF3 pathway. These findings suggest the potential of apigenin as a prophylactic and therapeutic candidate for managing STING-mediated diseases.
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Affiliation(s)
- Xu-Wei Zhou
- Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai 201203, P. R. China
| | - Juan Wang
- Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai 201203, P. R. China
| | - Wen-Fu Tan
- Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai 201203, P. R. China
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34
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Martin JC, da Silva Fernandes T, Chaudhry KA, Oshi M, Abrams SI, Takabe K, Rosario SR, Bianchi-Smiraglia A. Aryl hydrocarbon receptor suppresses STING-mediated type I IFN expression in triple-negative breast cancer. Sci Rep 2024; 14:5731. [PMID: 38459088 PMCID: PMC10923803 DOI: 10.1038/s41598-024-54732-3] [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: 11/27/2023] [Accepted: 02/15/2024] [Indexed: 03/10/2024] Open
Abstract
Triple-negative breast cancer (TNBC) is one of the most aggressive types of cancer. Despite decades of intense investigation, treatment options remain limited, and rapid recurrence with distant metastases remains a significant challenge. Cancer cell-intrinsic production of cytokines such as type I interferons (IFN-I) is a known potent modulator of response to therapy in many cancers, including TNBC, and can influence therapeutic outcome. Here, we report that, in TNBC systems, the aryl hydrocarbon receptor (AhR) suppresses IFN-I expression via inhibition of STImulator of Interferon Genes (STING), a key mediator of interferon production. Intratumoral STING activity is essential in mediating the efficacy of PARP inhibitors (PARPi) which are used in the treatment of cancers harboring BRCA1 deficiency. We find that, in TNBC cells, PARPi treatment activates AhR in a BRCA1 deficiency-dependent manner, thus suggesting the presence of a negative feedback loop aimed at modulating PARPi efficacy. Importantly, our results indicate that the combined inhibition of PARP and AhR is superior in elevating IFN-I expression as compared to PARPi-alone. Thus, AhR inhibition may allow for enhanced IFN-I production upon PARPi in BRCA1-deficient breast cancers, most of which are of TNBC origin, and may represent a therapeutically viable strategy to enhance PARPi efficacy.
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Affiliation(s)
- Jeffrey C Martin
- Department of Cell Stress Biology, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | | | - Kanita A Chaudhry
- Department of Cell Stress Biology, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
- Department of Breast Surgery, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Masanori Oshi
- Department of Breast Surgery, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Scott I Abrams
- Department of Immunology, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Kazuaki Takabe
- Department of Breast Surgery, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
- Department of Immunology, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Spencer R Rosario
- Department of Breast Surgery, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
- Department of Biostatistics and Bioinformatics, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
- Department of Pharmacology and Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Anna Bianchi-Smiraglia
- Department of Cell Stress Biology, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA.
- Department of Breast Surgery, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA.
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35
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Guo X, Yang L, Wang J, Wu Y, Li Y, Du L, Li L, Fang Z, Zhang X. The cytosolic DNA-sensing cGAS-STING pathway in neurodegenerative diseases. CNS Neurosci Ther 2024; 30:e14671. [PMID: 38459658 PMCID: PMC10924111 DOI: 10.1111/cns.14671] [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: 08/31/2023] [Revised: 02/10/2024] [Accepted: 02/27/2024] [Indexed: 03/10/2024] Open
Abstract
BACKGROUND With the widespread prevalence of neurodegenerative diseases (NDs) and high rates of mortality and disability, it is imminent to find accurate targets for intervention. There is growing evidence that neuroimmunity is pivotal in the pathology of NDs and that interventions targeting neuroimmunity hold great promise. Exogenous or dislocated nucleic acids activate the cytosolic DNA sensor cyclic GMP-AMP synthase (cGAS), activating the stimulator of interferon genes (STING). The activated STING triggers innate immune responses and then the cGAS-STING signaling pathway links abnormal nucleic acid sensing to the immune response. Recently, numerous studies have shown that neuroinflammation regulated by cGAS-STING signaling plays an essential role in NDs. AIMS In this review, we summarized the mechanism of cGAS-STING signaling in NDs and focused on inhibitors targeting cGAS-STING. CONCLUSION The cGAS-STING signaling plays an important role in the pathogenesis of NDs. Inhibiting the cGAS-STING signaling may provide new measures in the treatment of NDs.
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Affiliation(s)
- Xiaofeng Guo
- Department of Critical Care Medicine, Xijing HospitalThe Fourth Military Medical UniversityChina
- Department of Intensive Care UnitJoint Logistics Force No. 988 HospitalZhengzhouChina
| | - Lin Yang
- Department of Critical Care Medicine, Xijing HospitalThe Fourth Military Medical UniversityChina
| | - Jiawei Wang
- Department of Critical Care Medicine, Xijing HospitalThe Fourth Military Medical UniversityChina
| | - You Wu
- Department of Critical Care Medicine, Xijing HospitalThe Fourth Military Medical UniversityChina
| | - Yi Li
- Department of Critical Care Medicine, Xijing HospitalThe Fourth Military Medical UniversityChina
| | - Lixia Du
- Department of Critical Care Medicine, Xijing HospitalThe Fourth Military Medical UniversityChina
| | - Ling Li
- Department of Critical Care Medicine, Xijing HospitalThe Fourth Military Medical UniversityChina
| | - Zongping Fang
- Department of Critical Care Medicine, Xijing HospitalThe Fourth Military Medical UniversityChina
- Department of Anesthesiology, Xijing HospitalFourth Military Medical UniversityShaanxiChina
- Translational Research Institute of Brain and Brain‐Like Intelligence, Shanghai Fourth People's Hospital, School of MedicineTongji UniversityShanghaiChina
| | - Xijing Zhang
- Department of Critical Care Medicine, Xijing HospitalThe Fourth Military Medical UniversityChina
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36
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Yang K, Tang Z, Xing C, Yan N. STING signaling in the brain: Molecular threats, signaling activities, and therapeutic challenges. Neuron 2024; 112:539-557. [PMID: 37944521 PMCID: PMC10922189 DOI: 10.1016/j.neuron.2023.10.014] [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: 08/31/2023] [Revised: 10/06/2023] [Accepted: 10/11/2023] [Indexed: 11/12/2023]
Abstract
Stimulator of interferon genes (STING) is an innate immune signaling protein critical to infections, autoimmunity, and cancer. STING signaling is also emerging as an exciting and integral part of many neurological diseases. Here, we discuss recent advances in STING signaling in the brain. We summarize how molecular threats activate STING signaling in the diseased brain and how STING signaling activities in glial and neuronal cells cause neuropathology. We also review human studies of STING neurobiology and consider therapeutic challenges in targeting STING to treat neurological diseases.
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Affiliation(s)
- Kun Yang
- Department of Immunology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Zhen Tang
- Department of Immunology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Cong Xing
- Department of Immunology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Nan Yan
- Department of Immunology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA.
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Luo W, Song Z, Xu G, Wang H, Mu W, Wen J, Zhang P, Qin S, Xiao X, Bai Z. LicochalconeB inhibits cGAS-STING signaling pathway and prevents autoimmunity diseases. Int Immunopharmacol 2024; 128:111550. [PMID: 38232536 DOI: 10.1016/j.intimp.2024.111550] [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: 10/29/2023] [Revised: 01/08/2024] [Accepted: 01/12/2024] [Indexed: 01/19/2024]
Abstract
Cytosolic DNA activates the STING (stimulator of interferon genes) signaling pathway to trigger interferon and inflammatory responses that protect against microbial infections and cancer. However, Aicardi-Goutières syndrome (AGS) persistently activates the STING signaling pathway, which can lead to severe autoimmune diseases. We demonstrate herein that Licochalcone B (LicoB), the main component of traditional licorice, is an inhibitor of the STING signaling pathway. We observed that LicoB inhibited the activation of the STING signaling pathway in macrophages. Mechanically, LicoB affected the STING-TBK1-IRF3 signal axis and inhibited the activation of the STING downstream signaling pathway. Furthermore, LicoB inhibited the increase in type I interferon levels in mice induced by the STING agonist CMA. LicoB significantly reduced systemic inflammation in Trex1-/- mice. Our results show that LicoB, a STING signaling pathway inhibitor, is a promising candidate for the treatment of diseases related to STING signaling pathway activation.
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Affiliation(s)
- Wei Luo
- Department of Hepatology, the Fifth Medical Center of PLA General Hospital, Beijing 100039, China; School of Pharmacy, Hubei University of Science and Technology, Xianning 437100, China
| | - Zheng Song
- Peking University 302 Clinical Medical School, Beijing 100039, China; China Military Institute of Chinese Materia, The Fifth Medical Center of PLA General Hospital, Beijing 100039, China
| | - Guang Xu
- School of Traditional Chinese Medicine, Capital Medical University, Beijing 100069, China; China Military Institute of Chinese Materia, The Fifth Medical Center of PLA General Hospital, Beijing 100039, China
| | - Hongbo Wang
- Department of Hepatology, the Fifth Medical Center of PLA General Hospital, Beijing 100039, China; China Military Institute of Chinese Materia, The Fifth Medical Center of PLA General Hospital, Beijing 100039, China
| | - Wenqing Mu
- Department of Hepatology, the Fifth Medical Center of PLA General Hospital, Beijing 100039, China; China Military Institute of Chinese Materia, The Fifth Medical Center of PLA General Hospital, Beijing 100039, China
| | - Jincai Wen
- Department of Hepatology, the Fifth Medical Center of PLA General Hospital, Beijing 100039, China; China Military Institute of Chinese Materia, The Fifth Medical Center of PLA General Hospital, Beijing 100039, China
| | - Ping Zhang
- Department of Pharmacy, Medical Supplies Center of PLA General Hospital, Beijing 100039, China
| | - Shuanglin Qin
- Department of Hepatology, the Fifth Medical Center of PLA General Hospital, Beijing 100039, China; School of Pharmacy, Hubei University of Science and Technology, Xianning 437100, China.
| | - Xiaohe Xiao
- Department of Hepatology, the Fifth Medical Center of PLA General Hospital, Beijing 100039, China; China Military Institute of Chinese Materia, The Fifth Medical Center of PLA General Hospital, Beijing 100039, China.
| | - Zhaofang Bai
- Department of Hepatology, the Fifth Medical Center of PLA General Hospital, Beijing 100039, China; China Military Institute of Chinese Materia, The Fifth Medical Center of PLA General Hospital, Beijing 100039, China.
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Hong Z, Chen S, Sun J, Cheng D, Guo H, Mei J, Zhang X, Maimaiti M, Hao H, Cao P, Hu H, Wang C. STING signaling in islet macrophages impairs insulin secretion in obesity. SCIENCE CHINA. LIFE SCIENCES 2024; 67:345-359. [PMID: 37906411 DOI: 10.1007/s11427-022-2371-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Accepted: 05/17/2023] [Indexed: 11/02/2023]
Abstract
The innate immune regulator stimulator of interferon genes (STING) mediates self-DNA sensing and leads to the induction of type I interferons and inflammatory cytokines, which promotes the progression of various inflammatory and autoimmune diseases. Innate immune system plays a critical role in regulating obesity-induced islet dysfunction, whereas the potential effect of STING signaling is not fully understood. Here, we demonstrate that STING is mainly expressed and activated in islet macrophages upon high-fat diet (HFD) feeding. Sting-/- alleviates HFD-induced islet inflammation by inhibiting the expression of pro-inflammatory cytokines and the infiltration of macrophages. Mechanically, palmitic acid incubation promotes mitochondrial DNA leakage into the cytosol and subsequently activates STING pathway in macrophages. Additionally, STING activation in macrophages impairs glucose-stimulated insulin secretion by mediating the engulfment of β cell insulin secretory granules. Pharmacologically inhibiting STING activation enhances insulin secretion to control hyperglycemia. Together, our results reveal a regulatory mechanism in controlling the islet inflammation and insulin secretion in diet--induced obesity and suggest that selective blocking of the STING activation may be a promising strategy for treating type 2 diabetes.
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Affiliation(s)
- Ze Hong
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Saihua Chen
- State Key Laboratory of Natural Medicines, Department of Life Science and Technology, China Pharmaceutical University, Nanjing, 211198, China
| | - Jing Sun
- State Key Laboratory of Natural Medicines, Department of Life Science and Technology, China Pharmaceutical University, Nanjing, 211198, China
| | - Dan Cheng
- State Key Laboratory of Natural Medicines, Department of Life Science and Technology, China Pharmaceutical University, Nanjing, 211198, China
| | - Hanli Guo
- State Key Laboratory of Natural Medicines, Department of Life Science and Technology, China Pharmaceutical University, Nanjing, 211198, China
| | - Jiahao Mei
- School of Life Sciences, Westlake University, Hangzhou, 310012, China
| | - Xiang Zhang
- State Key Laboratory of Natural Medicines, Department of Life Science and Technology, China Pharmaceutical University, Nanjing, 211198, China
| | - Munire Maimaiti
- State Key Laboratory of Natural Medicines, Department of Life Science and Technology, China Pharmaceutical University, Nanjing, 211198, China
| | - Haiping Hao
- State Key Laboratory of Natural Medicines, Department of Life Science and Technology, China Pharmaceutical University, Nanjing, 211198, China
| | - Peng Cao
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Haiyang Hu
- State Key Laboratory of Natural Medicines, Department of Life Science and Technology, China Pharmaceutical University, Nanjing, 211198, China.
| | - Chen Wang
- State Key Laboratory of Natural Medicines, Department of Life Science and Technology, China Pharmaceutical University, Nanjing, 211198, China.
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Wei X, Jing J, Huang R, Zhou T, Wu L, Ou G, Wu Y, Hu J, Zhu W, Wu Y, Li Y, Zhang S, You Z. QFAE-nB alleviates pulmonary fibrosis by inhibiting the STING pathway in mice. JOURNAL OF ETHNOPHARMACOLOGY 2024; 319:117295. [PMID: 37806536 DOI: 10.1016/j.jep.2023.117295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 09/29/2023] [Accepted: 10/06/2023] [Indexed: 10/10/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Pulmonary fibrosis (PF) is an irreversible lung disease that severely affects human respiratory function. Traditionally, the natural plant Quzhou Fructus Arantii (QFA) has therapeutic effects on respiratory diseases. However, the effects and the mechanism of anti-fibrotic have not been elucidated. AIM OF THE STUDY In this study, QFAE-nB was extracted from QFA, the aims of this study include understanding the correlation between Bleomycin (BLM)-induced PF and STING pathway in mice, as well as exploring the role and mechanisms of QFAE-nB in the treatment of PF. MATERIALS AND METHODS QFAE-nB was extracted from QFA, six main chemical components in QFAE-nB were identified by HPLC-QTOF-MS/MS, and quantitative analysis was conducted by HPLC. qPCR and Western blot were used to verify the molecular mechanism of QFAE-nB, and the anti-fibrotic effect of QFAE-nB was determined by hematoxylin-eosin (HE) staining and Masson staining as well as immunohistochemistry. TREX1-KO and STING-KO mice were used to verify the relationship between STING and PF and the important target action of QFAE-nB. RESULTS Six main flavonoids in QFAE-nB were identified as eriocitrin (0.76%), neoeriocitrin (2.79%), narirutin (4.31%), naringin (35.41%), hesperidin (1.74%), and neohesperidin (27.18%). The results showed that BLM-induced PF was associated with its exacerbated release of proinflammatory factors and chemokines in lung tissues. In addition, QFAE-nB alleviated BLM-induced lung fibrosis in mice by inhibiting the activation of the STING signaling pathway and reducing the signal transduction of TBK1-IRF3 and TBK1-NF-κB pathways. Notably, knockout of the TREX1 gene caused massive inflammation and even induced PF in the lung tissues, whereas QFAE-nB effectively alleviated inflammation and reduced PF. The deletion of the STING gene suppressed BLM-induced PF and inflammation, but STING-KO mice treated with QFAE-nB showed even lower expression levels of proinflammatory factors and chemokine. CONCLUSIONS The STING pathway plays an important role in PF, and QFAE-nB alleviates PF by mainly targeting the inhibition of the STING pathway to reduce inflammation. Together, the study paves the way for targeting the STING pathway in PF treatment.
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Affiliation(s)
- Xueping Wei
- School of Public Health, Hangzhou Medical College, Hangzhou, China; Key Discipline of Zhejiang Province in Public Health and Preventive Medicine (First Class, Category A), Hangzhou Medical College, China
| | - Junsong Jing
- School of Public Health, Hangzhou Medical College, Hangzhou, China; Key Discipline of Zhejiang Province in Public Health and Preventive Medicine (First Class, Category A), Hangzhou Medical College, China
| | - Rongrong Huang
- School of Public Health, Hangzhou Medical College, Hangzhou, China; Key Discipline of Zhejiang Province in Public Health and Preventive Medicine (First Class, Category A), Hangzhou Medical College, China
| | - Ting Zhou
- School of Pharmaceutical Sciences, Hangzhou Medical College, Hangzhou, China
| | - Lianhao Wu
- School of Public Health, Hangzhou Medical College, Hangzhou, China; Key Discipline of Zhejiang Province in Public Health and Preventive Medicine (First Class, Category A), Hangzhou Medical College, China
| | - Guoteng Ou
- School of Public Health, Hangzhou Medical College, Hangzhou, China; Key Discipline of Zhejiang Province in Public Health and Preventive Medicine (First Class, Category A), Hangzhou Medical College, China
| | - Youping Wu
- The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Jingjin Hu
- School of Public Health, Hangzhou Medical College, Hangzhou, China; Key Discipline of Zhejiang Province in Public Health and Preventive Medicine (First Class, Category A), Hangzhou Medical College, China
| | - Wenwen Zhu
- School of Pharmaceutical Sciences, Hangzhou Medical College, Hangzhou, China
| | - Yueguo Wu
- School of Pharmaceutical Sciences, Hangzhou Medical College, Hangzhou, China
| | - Yuanyuan Li
- School of Pharmaceutical Sciences, Hangzhou Medical College, Hangzhou, China.
| | - Sheng Zhang
- Center for Safety Evaluation and Research, Hangzhou Medical College, Hangzhou, China.
| | - Zhenqiang You
- School of Public Health, Hangzhou Medical College, Hangzhou, China; School of Environmental and Chemical Engineering, Shanghai University, Shanghai, China; Key Discipline of Zhejiang Province in Public Health and Preventive Medicine (First Class, Category A), Hangzhou Medical College, China.
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40
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Liu W, Zhang Chen Z, Yang C, Fan Y, Qiao L, Xie S, Cao L. Update on the STING Signaling Pathway in Developing Nonalcoholic Fatty Liver Disease. J Clin Transl Hepatol 2024; 12:91-99. [PMID: 38250469 PMCID: PMC10794270 DOI: 10.14218/jcth.2023.00197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 08/11/2023] [Accepted: 08/29/2023] [Indexed: 01/23/2024] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is a prevalent chronic liver condition with limited treatment options. Inflammation caused by metabolic disturbances plays a significant role in NAFLD development. Stimulator of interferon gene (STING), a critical regulator of innate immunity, induces the production of interferons and other pro-inflammatory factors by recognizing cytoplasmic DNA to defend against pathogen infection. The STING-mediated signaling pathway appears to play a vital role in hepatic inflammation, metabolic disorders, and even carcinogenesis. Promisingly, pharmacological interventions targeting STING have shown improvements in the pathological state of NAFLD. Macrophages, dendritic cells, natural killer cells, and T cell pathways regulated by STING present potential novel druggable targets for NAFLD treatment. Further research and development in this area may offer new therapeutic options for managing NAFLD effectively.
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Affiliation(s)
- Wei Liu
- Department of Endocrinology and Metabolism, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Zhili Zhang Chen
- Department of Endocrinology and Metabolism, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Chenhui Yang
- Department of Endocrinology and Metabolism, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Yaofu Fan
- Department of Endocrinology and Metabolism, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
- Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, Jiangsu, China
| | - Liang Qiao
- Department of Endocrinology and Metabolism, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Shaofeng Xie
- Department of Endocrinology and Metabolism, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
- Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, Jiangsu, China
| | - Lin Cao
- Department of Endocrinology and Metabolism, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
- Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, Jiangsu, China
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Ma J, Wang PY, Zhuang J, Son AY, Karius AK, Syed AM, Nishi M, Wu Z, Mori MP, Kim YC, Hwang PM. CHCHD4-TRIAP1 regulation of innate immune signaling mediates skeletal muscle adaptation to exercise. Cell Rep 2024; 43:113626. [PMID: 38157298 PMCID: PMC10851177 DOI: 10.1016/j.celrep.2023.113626] [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: 04/05/2023] [Revised: 10/20/2023] [Accepted: 12/11/2023] [Indexed: 01/03/2024] Open
Abstract
Exercise training can stimulate the formation of fatty-acid-oxidizing slow-twitch skeletal muscle fibers, which are inversely correlated with obesity, but the molecular mechanism underlying this transformation requires further elucidation. Here, we report that the downregulation of the mitochondrial disulfide relay carrier CHCHD4 by exercise training decreases the import of TP53-regulated inhibitor of apoptosis 1 (TRIAP1) into mitochondria, which can reduce cardiolipin levels and promote VDAC oligomerization in skeletal muscle. VDAC oligomerization, known to facilitate mtDNA release, can activate cGAS-STING/NFKB innate immune signaling and downregulate MyoD in skeletal muscle, thereby promoting the formation of oxidative slow-twitch fibers. In mice, CHCHD4 haploinsufficiency is sufficient to activate this pathway, leading to increased oxidative muscle fibers and decreased fat accumulation with aging. The identification of a specific mediator regulating muscle fiber transformation provides an opportunity to understand further the molecular underpinnings of complex metabolic conditions such as obesity and could have therapeutic implications.
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Affiliation(s)
- Jin Ma
- Cardiovascular Branch, National Heart, Lung, and Blood Institute (NHLBI), NIH, Bethesda, MD 20892, USA
| | - Ping-Yuan Wang
- Cardiovascular Branch, National Heart, Lung, and Blood Institute (NHLBI), NIH, Bethesda, MD 20892, USA
| | - Jie Zhuang
- Cardiovascular Branch, National Heart, Lung, and Blood Institute (NHLBI), NIH, Bethesda, MD 20892, USA; School of Medicine, Nankai University, Tianjin 300071, China
| | - Annie Y Son
- Cardiovascular Branch, National Heart, Lung, and Blood Institute (NHLBI), NIH, Bethesda, MD 20892, USA
| | - Alexander K Karius
- Cardiovascular Branch, National Heart, Lung, and Blood Institute (NHLBI), NIH, Bethesda, MD 20892, USA
| | - Abu Mohammad Syed
- Cardiovascular Branch, National Heart, Lung, and Blood Institute (NHLBI), NIH, Bethesda, MD 20892, USA
| | - Masahiro Nishi
- Cardiovascular Branch, National Heart, Lung, and Blood Institute (NHLBI), NIH, Bethesda, MD 20892, USA
| | - Zhichao Wu
- Laboratory of Pathology, National Cancer Institute (NCI), NIH, Bethesda, MD 20892, USA
| | - Mateus P Mori
- Cardiovascular Branch, National Heart, Lung, and Blood Institute (NHLBI), NIH, Bethesda, MD 20892, USA
| | - Young-Chae Kim
- Cardiovascular Branch, National Heart, Lung, and Blood Institute (NHLBI), NIH, Bethesda, MD 20892, USA
| | - Paul M Hwang
- Cardiovascular Branch, National Heart, Lung, and Blood Institute (NHLBI), NIH, Bethesda, MD 20892, USA.
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Luo Q, Wang Y, Hou Z, Liang H, Tu L, Xing Y, Wan C, Liu J, Wang R, Zhu L, Han W, Wu J, Lu F, Yin F, Li Z. Covalent PROTAC design method based on a sulfonyl pyridone probe. Chem Commun (Camb) 2024; 60:686-689. [PMID: 38054347 DOI: 10.1039/d3cc05127g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2023]
Abstract
Covalent proteolysis-targeting chimeras (PROTACs) offer enhanced selectivity, prolonged action, and increased efficacy against challenging target proteins. The conventional approach relies on covalent ligands, but our study presents an innovative method employing an N-sulfonyl pyridone warhead to selectively target tyrosine (Tyr) residues. The von Hippel-Lindau (VHL) moiety is transferred from the warhead to the exposed Tyr, allowing us to design a STING degrader (DC50 0.53 μM, Dmax 56.65%). This approach showcases the potential of nucleophilic amino acid labeling probes, particularly for proteins lacking easily accessible cysteine residues, opening new possibilities for covalent PROTAC design and targeted protein degradation therapies.
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Affiliation(s)
- Qinhong Luo
- Department of Pharmacy, Shenzhen Second People's Hospital (Shenzhen Institute of Translational Medicine), Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, National-Regional Key Technology Engineering Laboratory for Medical Ultrasound, School of Biomedical Engineering, Shenzhen University Medical School, Shenzhen 518060, China.
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, China.
- Pingshan Translational Medicine Center, Shenzhen Bay Laboratory, Shenzhen 518118, China
| | - Yaqi Wang
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, China.
| | - Zhanfeng Hou
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, China.
| | - Huiting Liang
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, China.
- Pingshan Translational Medicine Center, Shenzhen Bay Laboratory, Shenzhen 518118, China
| | - Licheng Tu
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, China.
| | - Yun Xing
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, China.
- Pingshan Translational Medicine Center, Shenzhen Bay Laboratory, Shenzhen 518118, China
| | - Chuan Wan
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, China.
| | - Jianbo Liu
- Pingshan Translational Medicine Center, Shenzhen Bay Laboratory, Shenzhen 518118, China
| | - Rui Wang
- Pingshan Translational Medicine Center, Shenzhen Bay Laboratory, Shenzhen 518118, China
| | - Lizhi Zhu
- Department of Pharmacy, Shenzhen Second People's Hospital (Shenzhen Institute of Translational Medicine), Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, National-Regional Key Technology Engineering Laboratory for Medical Ultrasound, School of Biomedical Engineering, Shenzhen University Medical School, Shenzhen 518060, China.
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, China.
| | - Wei Han
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, China.
| | - Jianlong Wu
- Department of Pharmacy, Shenzhen Second People's Hospital (Shenzhen Institute of Translational Medicine), Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, National-Regional Key Technology Engineering Laboratory for Medical Ultrasound, School of Biomedical Engineering, Shenzhen University Medical School, Shenzhen 518060, China.
| | - Fei Lu
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, China.
| | - Feng Yin
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, China.
- Pingshan Translational Medicine Center, Shenzhen Bay Laboratory, Shenzhen 518118, China
| | - Zigang Li
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, China.
- Pingshan Translational Medicine Center, Shenzhen Bay Laboratory, Shenzhen 518118, China
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Gong J, Gao X, Ge S, Li H, Wang R, Zhao L. The Role of cGAS-STING Signalling in Metabolic Diseases: from Signalling Networks to Targeted Intervention. Int J Biol Sci 2024; 20:152-174. [PMID: 38164186 PMCID: PMC10750282 DOI: 10.7150/ijbs.84890] [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: 04/02/2023] [Accepted: 10/17/2023] [Indexed: 01/03/2024] Open
Abstract
The cyclic GMP-AMP synthase (cGAS)-stimulator of interferon genes (STING) is a crucial innate defence mechanism against viral infection in the innate immune system, as it principally induces the production of type I interferons. Immune responses and metabolic control are inextricably linked, and chronic low-grade inflammation promotes the development of metabolic diseases. The cGAS-STING pathway activated by double-stranded DNA (dsDNA), cyclic dinucleotides (CDNs), endoplasmic reticulum stress (ER stress), mitochondrial stress, and energy imbalance in metabolic cells and immune cells triggers proinflammatory responses and metabolic disorders. Abnormal overactivation of the pathway is closely associated with metabolic diseases such as obesity, nonalcoholic fatty liver disease (NAFLD), insulin resistance and cardiovascular diseases (CVDs). The interaction of cGAS-STING with other pathways, such as the nuclear factor-kappa B (NF-κB), Jun N-terminal kinase (JNK), AMP-activated protein kinase (AMPK), mammalian target of rapamycin (mTOR), autophagy, pyroptosis and insulin signalling pathways, is considered an important mechanism by which cGAS-STING regulates inflammation and metabolism. This review focuses on the link between immune responses related to the cGAS-STING pathway and metabolic diseases and cGAS-STING interaction with other pathways for mediating signal input and affecting output. Moreover, potential inhibitors of the cGAS-STING pathway and therapeutic prospects against metabolic diseases are discussed. This review provides a comprehensive perspective on the involvement of STING in immune-related metabolic diseases.
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Affiliation(s)
- Jiahui Gong
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - Xilong Gao
- Key Laboratory of Functional Dairy, Department of Nutrition and Health, China Agricultural University, Beijing 100193, China
| | - Shaoyang Ge
- Hebei Engineering Research Center of Animal Product, Sanhe 065200, China
| | - Hongliang Li
- Inner Mongolia Mengniu Dairy (Group) Co., Ltd., Hohhot 011517, China
| | - Ran Wang
- Key Laboratory of Functional Dairy, Department of Nutrition and Health, China Agricultural University, Beijing 100193, China
- Research Center for Probiotics, China Agricultural University, Sanhe 065200, China
| | - Liang Zhao
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
- Key Laboratory of Functional Dairy, Department of Nutrition and Health, China Agricultural University, Beijing 100193, China
- Food Laboratory of Zhongyuan, Luohe 462300, China
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Ghincea A, Woo S, Sheeline Y, Pivarnik T, Fiorini V, Herzog EL, Ryu C. Mitochondrial DNA Sensing Pathogen Recognition Receptors in Systemic Sclerosis Associated Interstitial Lung Disease: A Review. CURRENT TREATMENT OPTIONS IN RHEUMATOLOGY 2023; 9:204-220. [PMID: 38230363 PMCID: PMC10791121 DOI: 10.1007/s40674-023-00211-1] [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] [Accepted: 07/10/2023] [Indexed: 01/18/2024]
Abstract
Purpose of the review Systemic sclerosis (SSc) is a condition of dermal and visceral scar formation characterized by immune dysregulation and inflammatory fibrosis. Approximately 90% of SSc patients develop interstitial lung disease (ILD), and it is the leading cause of morbidity and mortality. Further understanding of immune-mediated fibroproliferative mechanisms has the potential to catalyze novel treatment approaches in this difficult to treat disease. Recent findings Recent advances have demonstrated the critical role of aberrant innate immune activation mediated by mitochondrial DNA (mtDNA) through interactions with toll-like receptor 9 (TLR9) and cytosolic cyclic guanosine monophosphate-adenosine monophosphate synthase (cGAS). Summary In this review, we will discuss how the nature of the mtDNA, whether oxidized or mutated, and its mechanism of release, either intracellularly or extracellularly, can amplify fibrogenesis by activating TLR9 and cGAS, and the novel insights gained by interrogating these signaling pathways. Because the scope of this review is intended to generate hypotheses for future research, we conclude our discussion with several important unanswered questions.
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Affiliation(s)
- Alexander Ghincea
- Yale School of Medicine, Department of Internal Medicine, Section of Pulmonary, Critical Care, and Sleep Medicine
| | - Samuel Woo
- Yale School of Medicine, Department of Internal Medicine, Section of Pulmonary, Critical Care, and Sleep Medicine
| | - Yu Sheeline
- Yale School of Medicine, Department of Internal Medicine, Section of Pulmonary, Critical Care, and Sleep Medicine
| | - Taylor Pivarnik
- Yale School of Medicine, Department of Internal Medicine, Section of Pulmonary, Critical Care, and Sleep Medicine
| | - Vitoria Fiorini
- Yale School of Medicine, Department of Internal Medicine, Section of Pulmonary, Critical Care, and Sleep Medicine
| | - Erica L. Herzog
- Yale School of Medicine, Department of Internal Medicine, Section of Pulmonary, Critical Care, and Sleep Medicine
- Department of Experimental Pathology, Section of Pulmonary, Critical Care, and Sleep Medicine
| | - Changwan Ryu
- Yale School of Medicine, Department of Internal Medicine, Section of Pulmonary, Critical Care, and Sleep Medicine
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45
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Tsukidate T, Hespen CW, Hang HC. Small molecule modulators of immune pattern recognition receptors. RSC Chem Biol 2023; 4:1014-1036. [PMID: 38033733 PMCID: PMC10685800 DOI: 10.1039/d3cb00096f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 10/03/2023] [Indexed: 12/02/2023] Open
Abstract
Pattern recognition receptors (PRRs) represent a re-emerging class of therapeutic targets for vaccine adjuvants, inflammatory diseases and cancer. In this review article, we summarize exciting developments in discovery and characterization of small molecule PRR modulators, focusing on Toll-like receptors (TLRs), NOD-like receptors (NLRs) and the cGAS-STING pathway. We also highlight PRRs that are currently lacking small molecule modulators and opportunities for chemical biology and therapeutic discovery.
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Affiliation(s)
- Taku Tsukidate
- Laboratory of Chemical Biology and Microbial Pathogenesis, The Rockefeller University, New York New York 10065 USA
| | - Charles W Hespen
- Laboratory of Chemical Biology and Microbial Pathogenesis, The Rockefeller University, New York New York 10065 USA
| | - Howard C Hang
- Laboratory of Chemical Biology and Microbial Pathogenesis, The Rockefeller University, New York New York 10065 USA
- Department of Immunology and Microbiology and Department of Chemistry, Scripps Research, La Jolla California 92037 USA
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46
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Kulkarni M, Hardwick JM. Programmed Cell Death in Unicellular Versus Multicellular Organisms. Annu Rev Genet 2023; 57:435-459. [PMID: 37722687 DOI: 10.1146/annurev-genet-033123-095833] [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] [Indexed: 09/20/2023]
Abstract
Programmed cell death (self-induced) is intrinsic to all cellular life forms, including unicellular organisms. However, cell death research has focused on animal models to understand cancer, degenerative disorders, and developmental processes. Recently delineated suicidal death mechanisms in bacteria and fungi have revealed ancient origins of animal cell death that are intertwined with immune mechanisms, allaying earlier doubts that self-inflicted cell death pathways exist in microorganisms. Approximately 20 mammalian death pathways have been partially characterized over the last 35 years. By contrast, more than 100 death mechanisms have been identified in bacteria and a few fungi in recent years. However, cell death is nearly unstudied in most human pathogenic microbes that cause major public health burdens. Here, we consider how the current understanding of programmed cell death arose through animal studies and how recently uncovered microbial cell death mechanisms in fungi and bacteria resemble and differ from mechanisms of mammalian cell death.
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Affiliation(s)
- Madhura Kulkarni
- W. Harry Feinstone Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA; ,
| | - J Marie Hardwick
- W. Harry Feinstone Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA; ,
- Department of Pharmacology and Molecular Sciences, Johns Hopkins School of Medicine, Baltimore, Maryland, USA
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47
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Huang Y, Liu B, Sinha SC, Amin S, Gan L. Mechanism and therapeutic potential of targeting cGAS-STING signaling in neurological disorders. Mol Neurodegener 2023; 18:79. [PMID: 37941028 PMCID: PMC10634099 DOI: 10.1186/s13024-023-00672-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 10/25/2023] [Indexed: 11/10/2023] Open
Abstract
DNA sensing is a pivotal component of the innate immune system that is responsible for detecting mislocalized DNA and triggering downstream inflammatory pathways. Among the DNA sensors, cyclic GMP-AMP synthase (cGAS) is a primary player in detecting cytosolic DNA, including foreign DNA from pathogens and self-DNA released during cellular damage, culminating in a type I interferon (IFN-I) response through stimulator of interferon genes (STING) activation. IFN-I cytokines are essential in mediating neuroinflammation, which is widely observed in CNS injury, neurodegeneration, and aging, suggesting an upstream role for the cGAS DNA sensing pathway. In this review, we summarize the latest developments on the cGAS-STING DNA-driven immune response in various neurological diseases and conditions. Our review covers the current understanding of the molecular mechanisms of cGAS activation and highlights cGAS-STING signaling in various cell types of central and peripheral nervous systems, such as resident brain immune cells, neurons, and glial cells. We then discuss the role of cGAS-STING signaling in different neurodegenerative conditions, including tauopathies, Alzheimer's disease, Parkinson's disease, and amyotrophic lateral sclerosis, as well as aging and senescence. Finally, we lay out the current advancements in research and development of cGAS inhibitors and assess the prospects of targeting cGAS and STING as therapeutic strategies for a wide spectrum of neurological diseases.
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Affiliation(s)
- Yige Huang
- Helen and Robert Appel Alzheimer Disease Research Institute, Feil Family Brain and Mind Research Institute, Weill Cornell Medicine, New York, NY, USA
- Weill Cornell Graduate School of Medical Sciences, Weill Cornell Medicine, New York, NY, USA
| | - Bangyan Liu
- Helen and Robert Appel Alzheimer Disease Research Institute, Feil Family Brain and Mind Research Institute, Weill Cornell Medicine, New York, NY, USA
- Weill Cornell Graduate School of Medical Sciences, Weill Cornell Medicine, New York, NY, USA
| | - Subhash C Sinha
- Helen and Robert Appel Alzheimer Disease Research Institute, Feil Family Brain and Mind Research Institute, Weill Cornell Medicine, New York, NY, USA
| | - Sadaf Amin
- Helen and Robert Appel Alzheimer Disease Research Institute, Feil Family Brain and Mind Research Institute, Weill Cornell Medicine, New York, NY, USA
| | - Li Gan
- Helen and Robert Appel Alzheimer Disease Research Institute, Feil Family Brain and Mind Research Institute, Weill Cornell Medicine, New York, NY, USA.
- Weill Cornell Graduate School of Medical Sciences, Weill Cornell Medicine, New York, NY, USA.
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48
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Chauhan C, Kaundal RK. The role of cGAS-STING signaling in ischemic stroke: From immune response to therapeutic targeting. Drug Discov Today 2023; 28:103792. [PMID: 37783431 DOI: 10.1016/j.drudis.2023.103792] [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: 06/14/2023] [Revised: 09/18/2023] [Accepted: 09/27/2023] [Indexed: 10/04/2023]
Abstract
Stroke, a debilitating condition with limited treatment options, presents a significant therapeutic challenge. A comprehensive grasp of stroke pathophysiology is imperative for designing newer and more effective therapeutic approaches. Notably, the cyclic GMP-AMP synthase (cGAS)-stimulator of interferon genes (STING) signaling pathway has emerged as a central orchestrator of the poststroke immune response. It regulates pivotal processes, including immune cell activation, cytokine production, neuroinflammation, apoptosis, and tissue regeneration. Modulating this pathway shows immense potential in improving stroke outcomes, necessitating the development of selective inhibitors and activators. This review provides an overview of the cGAS-STING pathway's role in ischemic stroke and explores emerging therapies, including cGAS and STING inhibitors and STING agonist preconditioning. It also addresses challenges like specificity, timing, and off-target effects.
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Affiliation(s)
- Chandan Chauhan
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research, Raebareli (NIPER-R), Transit Campus, Bijnor-Sisendi Road, Sarojini Nagar, Near CRPF Base Camp, Lucknow, UP 226002, India
| | - Ravinder Kumar Kaundal
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research, Raebareli (NIPER-R), Transit Campus, Bijnor-Sisendi Road, Sarojini Nagar, Near CRPF Base Camp, Lucknow, UP 226002, India.
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49
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Lv J, Zhu X, Xing C, Chen Y, Bian H, Yin H, Gu X, Su L. Stimulator of interferon genes (STING): Key therapeutic targets in ischemia/reperfusion injury. Biomed Pharmacother 2023; 167:115458. [PMID: 37699319 DOI: 10.1016/j.biopha.2023.115458] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 08/25/2023] [Accepted: 09/05/2023] [Indexed: 09/14/2023] Open
Abstract
The Stimulator of Interferon Genes (STING) is predominantly expressed in immune cells, including macrophages, natural killer cells, dendritic cells, and T cells, functioning as a pattern recognition receptor. STING activation upon detecting cytosolic DNA released from damaged cells initiates downstream pathways, leading to the production of inflammatory cytokines such as IFNs, IL-6, and TNF-α. Dysregulated STING activation has been implicated in inflammatory and metabolic diseases. Ischemia/reperfusion injury (I/RI) is common in stroke, acute myocardial infarction, organ transplantation, and surgeries for certain end-stage diseases. Recent studies suggest that STING could be a novel therapeutic target for I/RI treatment. In this review, we provide a concise overview of the cGAS-STING signaling pathway's general functions and summarize STING's role in I/RI across various organs, including the heart, liver, kidney, and lung. Moreover, we explore potential therapeutic approaches for I/RI by targeting STING.
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Affiliation(s)
- Juan Lv
- Jiangsu CM Clinical Innovation Center of Degenerative Bone & Joint Disease, Wuxi TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Wuxi 214071, China; Institute of Translational Medicine, Shanghai University, Shanghai 200444, China
| | - Xuanxuan Zhu
- Jiangsu CM Clinical Innovation Center of Degenerative Bone & Joint Disease, Wuxi TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Wuxi 214071, China
| | - Chunlei Xing
- Institute of Translational Medicine, Shanghai University, Shanghai 200444, China
| | - Yuhong Chen
- Institute of Translational Medicine, Shanghai University, Shanghai 200444, China
| | - Huihui Bian
- Institute of Translational Medicine, Shanghai University, Shanghai 200444, China
| | - Heng Yin
- Jiangsu CM Clinical Innovation Center of Degenerative Bone & Joint Disease, Wuxi TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Wuxi 214071, China.
| | - Xiaofeng Gu
- Jiangsu CM Clinical Innovation Center of Degenerative Bone & Joint Disease, Wuxi TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Wuxi 214071, China.
| | - Li Su
- Jiangsu CM Clinical Innovation Center of Degenerative Bone & Joint Disease, Wuxi TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Wuxi 214071, China; Institute of Translational Medicine, Shanghai University, Shanghai 200444, China.
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50
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Zhang J, Zhang L, Chen Y, Fang X, Li B, Mo C. The role of cGAS-STING signaling in pulmonary fibrosis and its therapeutic potential. Front Immunol 2023; 14:1273248. [PMID: 37965345 PMCID: PMC10642193 DOI: 10.3389/fimmu.2023.1273248] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Accepted: 10/10/2023] [Indexed: 11/16/2023] Open
Abstract
Pulmonary fibrosis is a progressive and ultimately fatal lung disease, exhibiting the excessive production of extracellular matrix and aberrant activation of fibroblast. While Pirfenidone and Nintedanib are FDA-approved drugs that can slow down the progression of pulmonary fibrosis, they are unable to reverse the disease. Therefore, there is an urgent demand to develop more efficient therapeutic approaches for pulmonary fibrosis. The intracellular DNA sensor called cyclic guanosine monophosphate-adenosine monophosphate (cGAMP) synthase (cGAS) plays a crucial role in detecting DNA and generating cGAMP, a second messenger. Subsequently, cGAMP triggers the activation of stimulator of interferon genes (STING), initiating a signaling cascade that leads to the stimulation of type I interferons and other signaling molecules involved in immune responses. Recent studies have highlighted the involvement of aberrant activation of cGAS-STING contributes to fibrotic lung diseases. This review aims to provide a comprehensive summary of the current knowledge regarding the role of cGAS-STING pathway in pulmonary fibrosis. Moreover, we discuss the potential therapeutic implications of targeting the cGAS-STING pathway, including the utilization of inhibitors of cGAS and STING.
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Affiliation(s)
- Jing Zhang
- Key Laboratory of Birth Defects and Related Diseases of Women and Children of MOE, State Key Laboratory of Biotherapy, West China Second University Hospital, Sichuan University, Chengdu, China
- School of Basic Medicine, Jining Medical University, Jining, Shandong, China
| | - Lanlan Zhang
- State Key Laboratory of Respiratory Health and Multimorbidity, Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Yutian Chen
- The Department of Endovascular Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Xiaobin Fang
- Fujian Provincial Key Laboratory of Critical Care Medicine, Department of Anesthesiology/Critical Care Medicine, Shengli Clinical Medical College of Fujian Medical University, Fujian Provincial Hospital, Fuzhou, China
| | - Bo Li
- Department of Radiology, West China Hospital, Sichuan University, Chengdu, China
| | - Chunheng Mo
- Key Laboratory of Birth Defects and Related Diseases of Women and Children of MOE, State Key Laboratory of Biotherapy, West China Second University Hospital, Sichuan University, Chengdu, China
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