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Broeckel R, Browne A, Sucoloski S, Cantizani J, Simpson JK, Pesiridis S, Ramanjulu JM, Stokes N, Luthra P. STING Agonist Induced Innate Immune Responses Drive Anti-Respiratory Virus Activity In Vitro with Limited Antiviral Efficacy In Vivo. ACS Infect Dis 2024; 10:3392-3407. [PMID: 39207884 PMCID: PMC11406527 DOI: 10.1021/acsinfecdis.4c00504] [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: 09/04/2024]
Abstract
The emergence of SARS-CoV-2 and seasonal outbreaks of other respiratory viruses highlight the urgent need for broad-spectrum antivirals to treat respiratory tract infections. Stimulator of interferon genes (STING) is a key component of innate immune signaling and plays a critical role in protection of the host against viral infections. Previously the STING agonist diABZI-4, a diamidobenzimidazole-based compound, demonstrated protection against SARS-CoV-2 both in vitro and in vivo. However, its broad-spectrum antiviral activity against other respiratory viruses in human airway epithelial cells, which are the primary targets of these infections, is not well established. In this study, we demonstrated that diABZI-4 stimulated robust innate immune responses protecting lung cells against a wide range of respiratory viruses, including influenza A virus (IAV), common cold coronaviruses, SARS-CoV-2, human rhinovirus (HRV), and human parainfluenza virus. diABZI-4 was highly active in physiologically relevant human airway epithelial tissues grown at the air-liquid interface, blocking replication of IAV, SARS-CoV-2, and HRV in these tissues. Furthermore, treatment of macrophages with diABZI-4 resulted in the secretion of cytokines that protected the primary airway epithelial cells from IAV infection. Despite the promising in vitro pan-antiviral activity, intranasal administration of diABZI-4 in mice provided early, but not sustained, inhibition of IAV replication in the lungs. These data highlight the complexities of the relationship between timing of STING agonist-driven inflammatory responses and viral replication dynamics, emphasizing the development challenge posed by STING agonists as potential therapeutics against respiratory viruses.
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Affiliation(s)
- Rebecca Broeckel
- Infectious Diseases Research Unit, GSK R&D, Collegeville, Pennsylvania 19426, United States
| | - Amanda Browne
- Infectious Diseases Research Unit, GSK R&D, Collegeville, Pennsylvania 19426, United States
| | - Scott Sucoloski
- Infectious Diseases Research Unit, GSK R&D, Collegeville, Pennsylvania 19426, United States
| | - Juan Cantizani
- Global Health Medicines R&D, GSK R&D, Tres Cantos, Madrid 28760, Spain
| | - Juliet K Simpson
- Target Discovery Research Projects, GSK R&D, Stevenage SG1 2NY, United Kingdom
| | - Scott Pesiridis
- Immunology Research Unit, GSK R&D, Collegeville, Pennsylvania 19426, United States
| | - Joshi M Ramanjulu
- Immunology Research Unit, GSK R&D, Collegeville, Pennsylvania 19426, United States
| | - Neil Stokes
- Infectious Diseases Research Unit, GSK R&D, Stevenage SG1 2NY, United Kingdom
| | - Priya Luthra
- Infectious Diseases Research Unit, GSK R&D, Collegeville, Pennsylvania 19426, United States
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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. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.01.07.574522. [PMID: 38260460 PMCID: PMC10802478 DOI: 10.1101/2024.01.07.574522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
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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3
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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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4
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Xu L, Yu D, Xu M, Liu Y, Yang LX, Zou QC, Feng XL, Li MH, Sheng N, Yao YG. Primate-specific BTN3A2 protects against SARS-CoV-2 infection by interacting with and reducing ACE2. EBioMedicine 2024; 107:105281. [PMID: 39142074 PMCID: PMC11367481 DOI: 10.1016/j.ebiom.2024.105281] [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: 01/04/2024] [Revised: 07/24/2024] [Accepted: 07/30/2024] [Indexed: 08/16/2024] Open
Abstract
BACKGROUND Coronavirus disease 2019 (COVID-19) is an immune-related disorder caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The complete pathogenesis of the virus remains to be determined. Unraveling the molecular mechanisms governing SARS-CoV-2 interactions with host cells is crucial for the formulation of effective prophylactic measures and the advancement of COVID-19 therapeutics. METHODS We analyzed human lung single-cell RNA sequencing dataset to discern the association of butyrophilin subfamily 3 member A2 (BTN3A2) expression with COVID-19. The BTN3A2 gene edited cell lines and transgenic mice were infected by live SARS-CoV-2 in a biosafety level 3 (BSL-3) laboratory. Immunoprecipitation, flow cytometry, biolayer interferometry and competition ELISA assays were performed in BTN3A2 gene edited cells. We performed quantitative real-time PCR, histological and/or immunohistochemical analyses for tissue samples from mice with or without SARS-CoV-2 infection. FINDINGS The BTN3A2 mRNA level was correlated with COVID-19 severity. BTN3A2 expression was predominantly identified in epithelial cells, elevated in pathological epithelial cells from COVID-19 patients and co-occurred with ACE2 expression in the same lung cell subtypes. BTN3A2 targeted the early stage of the viral life cycle by inhibiting SARS-CoV-2 attachment through interactions with the receptor-binding domain (RBD) of the Spike protein and ACE2. BTN3A2 inhibited ACE2-mediated SARS-CoV-2 infection by reducing ACE2 in vitro and in vivo. INTERPRETATION These results reveal a key role of BTN3A2 in the fight against COVID-19. Identifying potential monoclonal antibodies which mimic BTN3A2 may facilitate disruption of SARS-CoV-2 infection, providing a therapeutic avenue for COVID-19. FUNDING This study was supported by the National Natural Science Foundation of China (32070569, U1902215, and 32371017), the CAS "Light of West China" Program, and Yunnan Province (202305AH340006).
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Affiliation(s)
- Ling Xu
- Key Laboratory of Genetic Evolution and Animal Models, Key Laboratory of Animal Models and Human Disease Mechanisms of Yunnan Province, and KIZ/CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650204, China; Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, 650204, China; Kunming National High-Level Biosafety Research Center for Non-Human Primates, Center for Biosafety Mega-Science, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650107, China.
| | - Dandan Yu
- Key Laboratory of Genetic Evolution and Animal Models, Key Laboratory of Animal Models and Human Disease Mechanisms of Yunnan Province, and KIZ/CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650204, China; Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, 650204, China; Kunming National High-Level Biosafety Research Center for Non-Human Primates, Center for Biosafety Mega-Science, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650107, China
| | - Min Xu
- Key Laboratory of Genetic Evolution and Animal Models, Key Laboratory of Animal Models and Human Disease Mechanisms of Yunnan Province, and KIZ/CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650204, China; Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, 650204, China
| | - Yamin Liu
- Key Laboratory of Genetic Evolution and Animal Models, Key Laboratory of Animal Models and Human Disease Mechanisms of Yunnan Province, and KIZ/CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650204, China; Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, 650204, China
| | - Lu-Xiu Yang
- Key Laboratory of Genetic Evolution and Animal Models, Key Laboratory of Animal Models and Human Disease Mechanisms of Yunnan Province, and KIZ/CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650204, China
| | - Qing-Cui Zou
- Kunming National High-Level Biosafety Research Center for Non-Human Primates, Center for Biosafety Mega-Science, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650107, China
| | - Xiao-Li Feng
- Kunming National High-Level Biosafety Research Center for Non-Human Primates, Center for Biosafety Mega-Science, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650107, China
| | - Ming-Hua Li
- Kunming National High-Level Biosafety Research Center for Non-Human Primates, Center for Biosafety Mega-Science, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650107, China
| | - Nengyin Sheng
- Key Laboratory of Genetic Evolution and Animal Models, Key Laboratory of Animal Models and Human Disease Mechanisms of Yunnan Province, and KIZ/CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650204, China; Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, 650204, China.
| | - Yong-Gang Yao
- Key Laboratory of Genetic Evolution and Animal Models, Key Laboratory of Animal Models and Human Disease Mechanisms of Yunnan Province, and KIZ/CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650204, China; Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, 650204, China; Kunming National High-Level Biosafety Research Center for Non-Human Primates, Center for Biosafety Mega-Science, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650107, China; National Research Facility for Phenotypic & Genetic Analysis of Model Animals (Primate Facility), National Resource Center for Non-Human Primates, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650107, China.
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5
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Song Y, Lu J, Qin P, Chen H, Chen L. Interferon-I modulation and natural products: Unraveling mechanisms and therapeutic potential in severe COVID-19. Cytokine Growth Factor Rev 2024:S1359-6101(24)00066-2. [PMID: 39261232 DOI: 10.1016/j.cytogfr.2024.08.005] [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: 08/06/2024] [Accepted: 08/20/2024] [Indexed: 09/13/2024]
Abstract
The coronavirus disease 2019 (COVID-19) pandemic caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) continues to pose a significant global public health threat, particularly to older adults, pregnant women, and individuals with underlying chronic conditions. Dysregulated immune responses to SARS-CoV-2 infection are believed to contribute to the progression of COVID-19 in severe cases. Previous studies indicates that a deficiency in type I interferon (IFN-I) immunity accounts for approximately 15 %-20 % of patients with severe pneumonia caused by COVID-19, highlighting the potential therapeutic importance of modulating IFN-I signals. Natural products and their derivatives, due to their structural diversity and novel scaffolds, play a crucial role in drug discovery. Some of these natural products targeting IFN-I have demonstrated applications in infectious diseases and inflammatory conditions. However, the immunomodulatory potential of IFN-I in critical COVID-19 pneumonia and the natural compounds regulating the related signal pathway remain not fully understood. In this review, we offer a comprehensive assessment of the association between IFN-I and severe COVID-19, exploring its mechanisms and integrating information on natural compounds effective for IFN-I regulation. Focusing on the primary targets of IFN-I, we also summarize the regulatory mechanisms of natural products, their impact on IFNs, and their therapeutic roles in viral infections. Collectively, by synthesizing these findings, our goal is to provide a valuable reference for future research and to inspire innovative treatment strategies for COVID-19.
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Affiliation(s)
- Yuheng Song
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Jiani Lu
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Pengcheng Qin
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; School of Pharmacy, Henan University, Kaifeng 475001, China
| | - Hongzhuan Chen
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; Research Center for Traditional Chinese Medicine, Shanghai Institute of Infectious Diseases and Biosecurity, Fudan University, Shanghai 200032, China
| | - Lili Chen
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China.
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6
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Huang Y, Zhang M, Zhang J, Liu S, Li D, Qiao Z, Yao H, Shi Q, Zhou X, Ma F. diABZI and poly(I:C) inhibit osteoclastic bone resorption by inducing IRF7 and IFIT3. J Bone Miner Res 2024; 39:1132-1146. [PMID: 38874138 PMCID: PMC11337579 DOI: 10.1093/jbmr/zjae093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Revised: 05/11/2024] [Accepted: 06/11/2024] [Indexed: 06/15/2024]
Abstract
Type I interferons (IFN-I) are pleiotropic factors endowed with multiple activities that play important roles in innate and adaptive immunity. Although many studies indicate that IFN-I inducers exert favorable effects on broad-spectrum antivirus, immunomodulation, and anti-tumor activities by inducing endogenous IFN-I and IFN-stimulated genes, their function in bone homeostasis still needs further exploration. Here, our study demonstrates 2 distinct IFN-I inducers, diABZI and poly(I:C), as potential therapeutics to alleviate osteolysis and osteoporosis. First, IFN-I inducers suppress the genes that control osteoclast (OC) differentiation and activity in vitro. Moreover, diABZI alleviates bone loss in Ti particle-induced osteolysis and ovariectomized -induced osteoporosis in vivo by inhibiting OC differentiation and function. In addition, the inhibitory effects of IFN-I inducers on OC differentiation are not observed in macrophages derived from Ifnar1-/-mice, which indicate that the suppressive effect of IFN-I inducers on OC is IFNAR-dependent. Mechanistically, RNAi-mediated silencing of IRF7 and IFIT3 in OC precursors impairs the suppressive effect of the IFN-I inducers on OC differentiation. Taken together, these results demonstrate that IFN-I inducers play a protective role in bone turnover by limiting osteoclastogenesis and bone resorption through the induction of OC-specific mediators via the IFN-I signaling pathway.
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Affiliation(s)
- Yingkang Huang
- National Key Laboratory of Immunity and Inflammation, and CAMS Key Laboratory of Synthetic Biology Regulatory Elements, Chinese Academy of Medical Sciences & Peking Union Medical College, Suzhou Institute of Systems Medicine, Suzhou 215123, Jiangsu, China
| | - Mingchao Zhang
- National Key Laboratory of Immunity and Inflammation, and CAMS Key Laboratory of Synthetic Biology Regulatory Elements, Chinese Academy of Medical Sciences & Peking Union Medical College, Suzhou Institute of Systems Medicine, Suzhou 215123, Jiangsu, China
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou 215004, Jiangsu, China
| | - Jun Zhang
- Department of Orthopedics, Zhejiang Provincial People’s Hospital, Hangzhou 310014, Zhejiang, China
| | - Siying Liu
- National Key Laboratory of Immunity and Inflammation, and CAMS Key Laboratory of Synthetic Biology Regulatory Elements, Chinese Academy of Medical Sciences & Peking Union Medical College, Suzhou Institute of Systems Medicine, Suzhou 215123, Jiangsu, China
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou 215004, Jiangsu, China
| | - Dapei Li
- National Key Laboratory of Immunity and Inflammation, and CAMS Key Laboratory of Synthetic Biology Regulatory Elements, Chinese Academy of Medical Sciences & Peking Union Medical College, Suzhou Institute of Systems Medicine, Suzhou 215123, Jiangsu, China
| | - Zigang Qiao
- National Key Laboratory of Immunity and Inflammation, and CAMS Key Laboratory of Synthetic Biology Regulatory Elements, Chinese Academy of Medical Sciences & Peking Union Medical College, Suzhou Institute of Systems Medicine, Suzhou 215123, Jiangsu, China
| | - Haiping Yao
- National Key Laboratory of Immunity and Inflammation, and CAMS Key Laboratory of Synthetic Biology Regulatory Elements, Chinese Academy of Medical Sciences & Peking Union Medical College, Suzhou Institute of Systems Medicine, Suzhou 215123, Jiangsu, China
| | - Qin Shi
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Suzhou 215006, Jiangsu, China
| | - Xiaozhong Zhou
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou 215004, Jiangsu, China
| | - Feng Ma
- National Key Laboratory of Immunity and Inflammation, and CAMS Key Laboratory of Synthetic Biology Regulatory Elements, Chinese Academy of Medical Sciences & Peking Union Medical College, Suzhou Institute of Systems Medicine, Suzhou 215123, Jiangsu, China
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7
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Zheng HY, Song TZ, Zheng YT. Immunobiology of COVID-19: Mechanistic and therapeutic insights from animal models. Zool Res 2024; 45:747-766. [PMID: 38894519 PMCID: PMC11298684 DOI: 10.24272/j.issn.2095-8137.2024.062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Accepted: 04/22/2024] [Indexed: 06/21/2024] Open
Abstract
The distribution of the immune system throughout the body complicates in vitro assessments of coronavirus disease 2019 (COVID-19) immunobiology, often resulting in a lack of reproducibility when extrapolated to the whole organism. Consequently, developing animal models is imperative for a comprehensive understanding of the pathology and immunology of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. This review summarizes current progress related to COVID-19 animal models, including non-human primates (NHPs), mice, and hamsters, with a focus on their roles in exploring the mechanisms of immunopathology, immune protection, and long-term effects of SARS-CoV-2 infection, as well as their application in immunoprevention and immunotherapy of SARS-CoV-2 infection. Differences among these animal models and their specific applications are also highlighted, as no single model can fully encapsulate all aspects of COVID-19. To effectively address the challenges posed by COVID-19, it is essential to select appropriate animal models that can accurately replicate both fatal and non-fatal infections with varying courses and severities. Optimizing animal model libraries and associated research tools is key to resolving the global COVID-19 pandemic, serving as a robust resource for future emerging infectious diseases.
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Affiliation(s)
- Hong-Yi Zheng
- State Key Laboratory of Genetic Evolution & Animal Models, KIZ-CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Center for Biosafety Mega-Science, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan 650223, China
| | - Tian-Zhang Song
- State Key Laboratory of Genetic Evolution & Animal Models, KIZ-CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Center for Biosafety Mega-Science, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan 650223, China
| | - Yong-Tang Zheng
- State Key Laboratory of Genetic Evolution & Animal Models, KIZ-CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Center for Biosafety Mega-Science, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan 650223, China
- National Resource Center for Non-Human Primates, National Research Facility for Phenotypic & Genetic Analysis of Model Animals (Primate Facility), Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan 650107, China. E-mail:
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8
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Leekha A, Saeedi A, Kumar M, Sefat KMSR, Martinez-Paniagua M, Meng H, Fathi M, Kulkarni R, Reichel K, Biswas S, Tsitoura D, Liu X, Cooper LJN, Sands CM, Das VE, Sebastian M, Hurst BL, Varadarajan N. An intranasal nanoparticle STING agonist protects against respiratory viruses in animal models. Nat Commun 2024; 15:6053. [PMID: 39025863 PMCID: PMC11258242 DOI: 10.1038/s41467-024-50234-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: 11/10/2022] [Accepted: 07/04/2024] [Indexed: 07/20/2024] Open
Abstract
Respiratory viral infections cause morbidity and mortality worldwide. Despite the success of vaccines, vaccination efficacy is weakened by the rapid emergence of viral variants with immunoevasive properties. The development of an off-the-shelf, effective, and safe therapy against respiratory viral infections is thus desirable. Here, we develop NanoSTING, a nanoparticle formulation of the endogenous STING agonist, 2'-3' cGAMP, to function as an immune activator and demonstrate its safety in mice and rats. A single intranasal dose of NanoSTING protects against pathogenic strains of SARS-CoV-2 (alpha and delta VOC) in hamsters. In transmission experiments, NanoSTING reduces the transmission of SARS-CoV-2 Omicron VOC to naïve hamsters. NanoSTING also protects against oseltamivir-sensitive and oseltamivir-resistant strains of influenza in mice. Mechanistically, NanoSTING upregulates locoregional interferon-dependent and interferon-independent pathways in mice, hamsters, as well as non-human primates. Our results thus implicate NanoSTING as a broad-spectrum immune activator for controlling respiratory virus infection.
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Affiliation(s)
- Ankita Leekha
- William A. Brookshire Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX, USA
| | - Arash Saeedi
- William A. Brookshire Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX, USA
| | - Monish Kumar
- William A. Brookshire Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX, USA
| | - K M Samiur Rahman Sefat
- William A. Brookshire Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX, USA
| | - Melisa Martinez-Paniagua
- William A. Brookshire Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX, USA
| | - Hui Meng
- College of Optometry, University of Houston, Houston, TX, USA
| | - Mohsen Fathi
- William A. Brookshire Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX, USA
| | - Rohan Kulkarni
- William A. Brookshire Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX, USA
| | - Kate Reichel
- William A. Brookshire Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX, USA
| | - Sujit Biswas
- Department of Pharmacological and Pharmaceutical Sciences, College of Pharmacy, University of Houston, Houston, TX, USA
| | | | - Xinli Liu
- Department of Pharmacological and Pharmaceutical Sciences, College of Pharmacy, University of Houston, Houston, TX, USA
| | | | | | - Vallabh E Das
- College of Optometry, University of Houston, Houston, TX, USA
| | | | - Brett L Hurst
- Institute for Antiviral Research, Utah State University, Logan, UT, USA
| | - Navin Varadarajan
- William A. Brookshire Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX, USA.
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9
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Liang K, Barnett KC, Hsu M, Chou WC, Bais SS, Riebe K, Xie Y, Nguyen TT, Oguin TH, Vannella KM, Hewitt SM, Chertow DS, Blasi M, Sempowski GD, Karlsson A, Koller BH, Lenschow DJ, Randell SH, Ting JPY. Initiator cell death event induced by SARS-CoV-2 in the human airway epithelium. Sci Immunol 2024; 9:eadn0178. [PMID: 38996010 DOI: 10.1126/sciimmunol.adn0178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Accepted: 06/14/2024] [Indexed: 07/14/2024]
Abstract
Virus-induced cell death is a key contributor to COVID-19 pathology. Cell death induced by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is well studied in myeloid cells but less in its primary host cell type, angiotensin-converting enzyme 2 (ACE2)-expressing human airway epithelia (HAE). SARS-CoV-2 induces apoptosis, necroptosis, and pyroptosis in HAE organotypic cultures. Single-cell and limiting-dilution analysis revealed that necroptosis is the primary cell death event in infected cells, whereas uninfected bystanders undergo apoptosis, and pyroptosis occurs later during infection. Mechanistically, necroptosis is induced by viral Z-RNA binding to Z-DNA-binding protein 1 (ZBP1) in HAE and lung tissues from patients with COVID-19. The Delta (B.1.617.2) variant, which causes more severe disease than Omicron (B1.1.529) in humans, is associated with orders of magnitude-greater Z-RNA/ZBP1 interactions, necroptosis, and disease severity in animal models. Thus, Delta induces robust ZBP1-mediated necroptosis and more disease severity.
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Affiliation(s)
- Kaixin Liang
- Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
- Center for Translational Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
- Oral and Craniofacial Biomedicine Program, Adams School of Dentistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Katherine C Barnett
- Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
- Center for Translational Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Martin Hsu
- Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
- Center for Translational Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Wei-Chun Chou
- Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
- Center for Translational Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Sachendra S Bais
- Department of Medicine, Washington University School of Medicine, Saint Louis, MO 63130, USA
| | | | - Yuying Xie
- Department of Computational Mathematics, Science and Engineering, Michigan State University, East Lansing, MI 48824, USA
- Department of Statistics and Probability, Michigan State University, East Lansing, MI 48824, USA
| | - Tuong Thien Nguyen
- Marsico Lung Institute, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | | | - Kevin M Vannella
- Emerging Pathogens Section, Critical Care Medicine Department, Clinical Center, National Institutes of Health, Bethesda, MD 20892, USA
- Laboratory of Virology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT 59840, USA
| | - Stephen M Hewitt
- Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Daniel S Chertow
- Emerging Pathogens Section, Critical Care Medicine Department, Clinical Center, National Institutes of Health, Bethesda, MD 20892, USA
- Laboratory of Virology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT 59840, USA
| | - Maria Blasi
- Duke Human Vaccine Institute, Durham, NC 27701, USA
- Department of Medicine, Duke University School of Medicine, Durham, NC 27701, USA
| | | | | | - Beverly H Koller
- Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Deborah J Lenschow
- Department of Medicine, Washington University School of Medicine, Saint Louis, MO 63130, USA
- Department of Pathology and Immunology, Washington University School of Medicine, Saint Louis, MO 63110, USA
- Department of Molecular Microbiology, Washington University School of Medicine, Saint Louis, MO 63110, USA
| | - Scott H Randell
- Marsico Lung Institute, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Jenny P-Y Ting
- Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
- Center for Translational Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
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10
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Yang J, Luo Z, Ma J, Wang Y, Cheng N. A next-generation STING agonist MSA-2: From mechanism to application. J Control Release 2024; 371:273-287. [PMID: 38789087 DOI: 10.1016/j.jconrel.2024.05.042] [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: 03/11/2024] [Revised: 05/05/2024] [Accepted: 05/21/2024] [Indexed: 05/26/2024]
Abstract
The stimulator of interferon genes (STING) connects the innate and adaptive immune system and plays a significant role in antitumor immunity. Over the past decades, endogenous and CDN-derived STING agonists have been a hot topic in the research of cancer immunotherapies. However, these STING agonists are either in infancy with limited biological effects or have failed in clinical trials. In 2020, a non-nucleotide STING agonist MSA-2 was identified, which exhibited satisfactory antitumor effects in animal studies and is amenable to oral administration. Due to its distinctive binding mode and enhanced bioavailability, there have been accumulating interests and an array of studies on MSA-2 and its derivatives, spanning its structure-activity relationship, delivery systems, applications in combination therapies, etc. Here, we provide a comprehensive review of MSA-2 and interventional strategies based on this family of STING agonists to help more researchers extend the investigation on MSA-2 in the future.
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Affiliation(s)
- Junhan Yang
- College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou, Zhejiang 310058, China
| | - Zhenyu Luo
- Pharmaceutical Informatics Institute, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou, Zhejiang 310058, China
| | - Jingyi Ma
- College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou, Zhejiang 310058, China
| | - Yi Wang
- Pharmaceutical Informatics Institute, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou, Zhejiang 310058, China
| | - Ningtao Cheng
- School of Medicine, Zhejiang University, 866 Yuhangtang Road, Hangzhou, Zhejiang 310058, China.
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11
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Qi H, Ma QH, Feng W, Chen SM, Wu CS, Wang Y, Wang TX, Hou YL, Jia ZH. Glycyrrhetinic acid blocks SARS-CoV-2 infection by activating the cGAS-STING signalling pathway. Br J Pharmacol 2024. [PMID: 38922702 DOI: 10.1111/bph.16473] [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: 01/04/2024] [Revised: 04/26/2024] [Accepted: 05/13/2024] [Indexed: 06/28/2024] Open
Abstract
BACKGROUND AND PURPOSE Traditional Chinese medicine (TCM) played an important role in controlling the COVID-19 pandemic, but the scientific basis and its active ingredients are still weakly studied. This study aims to decipher the underlying anti-SARS-CoV-2 mechanisms of glycyrrhetinic acid (GA). EXPERIMENTAL APPROACH GA's anti-SARS-CoV-2 effect was verified both in vitro and in vivo. Homogeneous time-resolved fluorescence assays, biolayer interferometry technology, and molecular docking were employed to examine interactions of GA with human stimulator of interferon genes (hSTING). Immunofluorescence staining, western blot, and RT-qPCR were used to investigate nuclear translocation of interferon regulatory factor 3 (IRF3) and levels of STING target genes. Pharmacokinetics of GA was studied in mice. KEY RESULTS GA could directly bind to Ser162 and Tyr240 residues of hSTING, thus up-regulating downstream targets and activation of the STING signalling pathway. Such activation is crucial for limiting the replication of SARS-CoV-2 Omicron in Calu-3 cells and protecting against lung injury induced by SARS-CoV-2 Omicron infection in K18-ACE2 transgenic mice. Immunofluorescence staining and western blot indicated that GA increased levels of phosphorylated STING, phosphorylated TANK-binding kinase-1, and cyclic GMP-AMP synthase (cGAS). Importantly, GA increased nuclear translocation of IRF3. Pharmacokinetic analysis of GA in mice indicated it can be absorbed into circulation and detected in the lung at a stable level. CONCLUSION AND IMPLICATIONS Activation of the cGAS-STING pathway through the GA-STING-IRF3 axis is essential for the antiviral activity of GA in mice, providing new insights into the potential translation of GA for treating SARS-CoV-2 in patients.
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Affiliation(s)
- Hui Qi
- Hebei Academy of Integrated Traditional Chinese and Western Medicine, Shijiazhuang, Hebei, China
- State Key Laboratory for Innovation and Transformation of Luobing Theory, Shijiazhuang, China
- New Drug Evaluation Center, Shijiazhuang Yiling Pharmaceutical Co., Ltd, Shijiazhuang, Hebei, China
| | - Qin-Hai Ma
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Wei Feng
- Hebei Academy of Integrated Traditional Chinese and Western Medicine, Shijiazhuang, Hebei, China
- State Key Laboratory for Innovation and Transformation of Luobing Theory, Shijiazhuang, China
| | - Si-Mian Chen
- Fujian Provincial Key Laboratory of Innovative Drug Target Research and State Key Laboratory of Cellular Stress Biology, School of Pharmaceutical Sciences, Xiamen University, Xiamen, China
| | - Cai-Sheng Wu
- Fujian Provincial Key Laboratory of Innovative Drug Target Research and State Key Laboratory of Cellular Stress Biology, School of Pharmaceutical Sciences, Xiamen University, Xiamen, China
| | - Yanan Wang
- Hebei Academy of Integrated Traditional Chinese and Western Medicine, Shijiazhuang, Hebei, China
- State Key Laboratory for Innovation and Transformation of Luobing Theory, Shijiazhuang, China
| | - Tong-Xing Wang
- Hebei Academy of Integrated Traditional Chinese and Western Medicine, Shijiazhuang, Hebei, China
- State Key Laboratory for Innovation and Transformation of Luobing Theory, Shijiazhuang, China
| | - Yun-Long Hou
- Hebei Academy of Integrated Traditional Chinese and Western Medicine, Shijiazhuang, Hebei, China
- State Key Laboratory for Innovation and Transformation of Luobing Theory, Shijiazhuang, China
- New Drug Evaluation Center, Shijiazhuang Yiling Pharmaceutical Co., Ltd, Shijiazhuang, Hebei, China
| | - Zhen-Hua Jia
- Hebei Academy of Integrated Traditional Chinese and Western Medicine, Shijiazhuang, Hebei, China
- State Key Laboratory for Innovation and Transformation of Luobing Theory, Shijiazhuang, China
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12
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Bankell E, Liu L, van der Horst J, Rippe C, Jepps TA, Nilsson BO, Swärd K. Suppression of smooth muscle cell inflammation by myocardin-related transcription factors involves inactivation of TANK-binding kinase 1. Sci Rep 2024; 14:13321. [PMID: 38858497 PMCID: PMC11164896 DOI: 10.1038/s41598-024-63901-3] [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: 01/11/2024] [Accepted: 06/03/2024] [Indexed: 06/12/2024] Open
Abstract
Myocardin-related transcription factors (MRTFs: myocardin/MYOCD, MRTF-A/MRTFA, and MRTF-B/MRTFB) suppress production of pro-inflammatory cytokines and chemokines in human smooth muscle cells (SMCs) through sequestration of RelA in the NF-κB complex, but additional mechanisms are likely involved. The cGAS-STING pathway is activated by double-stranded DNA in the cytosolic compartment and acts through TANK-binding kinase 1 (TBK1) to spark inflammation. The present study tested if MRTFs suppress inflammation also by targeting cGAS-STING signaling. Interrogation of a transcriptomic dataset where myocardin was overexpressed using a panel of 56 cGAS-STING cytokines showed the panel to be repressed. Moreover, MYOCD, MRTFA, and SRF associated negatively with the panel in human arteries. RT-qPCR in human bronchial SMCs showed that all MRTFs reduced pro-inflammatory cytokines on the panel. MRTFs diminished phosphorylation of TBK1, while STING phosphorylation was marginally affected. The TBK1 inhibitor amlexanox, but not the STING inhibitor H-151, reduced the anti-inflammatory effect of MRTF-A. Co-immunoprecipitation and proximity ligation assays supported binding between MRTF-A and TBK1 in SMCs. MRTFs thus appear to suppress cellular inflammation in part by acting on the kinase TBK1. This may defend SMCs against pro-inflammatory insults in disease.
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Affiliation(s)
- Elisabeth Bankell
- Cellular Biomechanics/Vascular Physiology, Department of Experimental Medical Science, BMC D12, Lund University, 22184, Lund, Sweden
| | - Li Liu
- Cellular Biomechanics/Vascular Physiology, Department of Experimental Medical Science, BMC D12, Lund University, 22184, Lund, Sweden
- Department of Urology, Qingyuan Hospital Affiliated to Guangzhou Medical University, Qingyuan, Guangdong, China
| | - Jennifer van der Horst
- Vascular Biology Group, Department of Biomedical Sciences, University of Copenhagen, Blegdamsvej 3, 2200, Copenhagen N, Denmark
| | - Catarina Rippe
- Cellular Biomechanics/Vascular Physiology, Department of Experimental Medical Science, BMC D12, Lund University, 22184, Lund, Sweden
| | - Thomas A Jepps
- Vascular Biology Group, Department of Biomedical Sciences, University of Copenhagen, Blegdamsvej 3, 2200, Copenhagen N, Denmark
| | - Bengt-Olof Nilsson
- Cellular Biomechanics/Vascular Physiology, Department of Experimental Medical Science, BMC D12, Lund University, 22184, Lund, Sweden
| | - Karl Swärd
- Cellular Biomechanics/Vascular Physiology, Department of Experimental Medical Science, BMC D12, Lund University, 22184, Lund, Sweden.
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13
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Rezabakhsh A, Sadaie MR, Ala A, Roosta Y, Habtemariam S, Sahebnasagh A, Khezri MR. STING agonists as promising vaccine adjuvants to boost immunogenicity against SARS-related coronavirus derived infection: possible role of autophagy. Cell Commun Signal 2024; 22:305. [PMID: 38831299 PMCID: PMC11145937 DOI: 10.1186/s12964-024-01680-0] [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: 01/23/2024] [Accepted: 05/26/2024] [Indexed: 06/05/2024] Open
Abstract
As a major component of innate immunity and a positive regulator of interferons, the Stimulator of interferon gene (STING) has an immunotherapy potential to govern a variety of infectious diseases. Despite the recent advances regarding vaccines against COVID-19, nontoxic novel adjuvants with the potential to enhance vaccine efficacy are urgently desired. In this connection, it has been well-documented that STING agonists are applied to combat COVID-19. This approach is of major significance for boosting immune responses most likely through an autophagy-dependent manner in susceptible individuals against infection induced by severe acute respiratory syndrome Coronavirus (SARS‑CoV‑2). Given that STING agonists exert substantial immunomodulatory impacts under a wide array of pathologic conditions, these agents could be considered novel adjuvants for enhancing immunogenicity against the SARS-related coronavirus. Here, we intend to discuss the recent advances in STING agonists' recruitment to boost innate immune responses upon vaccination against SARS-related coronavirus infections. In light of the primordial role of autophagy modulation, the potential of being an antiviral vaccine adjuvant was also explored.
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Affiliation(s)
- Aysa Rezabakhsh
- Cardiovascular Research Center, Shahid Madani specialized Heart Hospita, Tabriz University of Medical Sciences, University St, Tabriz, 5166615573, Iran.
| | - M Reza Sadaie
- NovoMed Consulting, Biomedical Sciences, Germantown, Maryland, USA
| | - Alireza Ala
- Emergency and Trauma Care Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Yousef Roosta
- Hematology, Immune Cell Therapy, and Stem Cells Transplantation Research Center, Clinical Research Institute, Urmia University of Medical Sciences, Urmia, Iran
| | - Solomon Habtemariam
- Pharmacognosy Research and Herbal Analysis Services UK, University of Greenwich, Kent, UK
| | - Adeleh Sahebnasagh
- Clinical Research Center, Department of Internal Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Mohammad Rafi Khezri
- Reproductive Health Research Center, Clinical Research Institute, Urmia University of Medical Sciences, Urmia, 5715799313, Iran.
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14
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Wang J, Xie F, Jia X, Wang X, Kong L, Li Y, Liang X, Zhang M, He Y, Feng W, Luo T, Wang Y, Xu A. Fangchinoline induces antiviral response by suppressing STING degradation. J Pharm Anal 2024; 14:100972. [PMID: 39027910 PMCID: PMC11255895 DOI: 10.1016/j.jpha.2024.100972] [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: 12/25/2023] [Revised: 03/21/2024] [Accepted: 03/25/2024] [Indexed: 07/20/2024] Open
Abstract
The stimulator of interferon genes (STING), an integral adaptor protein in the DNA-sensing pathway, plays a pivotal role in the innate immune response against infections. Additionally, it presents a valuable therapeutic target for infectious diseases and cancer. We observed that fangchinoline (Fan), a bis-benzylisoquinoline alkaloid (BBA), effectively impedes the replication of vesicular stomatitis virus (VSV), encephalomyocarditis virus (EMCV), influenza A virus (H1N1), and herpes simplex virus-1 (HSV-1) in vitro. Fan treatment significantly reduced the viral load, attenuated tissue inflammation, and improved survival in a viral sepsis mouse model. Mechanistically, Fan activates the antiviral response in a STING-dependent manner, leading to increased expression of interferon (IFN) and interferon-stimulated genes (ISGs) for potent antiviral effects in vivo and in vitro. Notably, Fan interacts with STING, preventing its degradation and thereby extending the activation of IFN-based antiviral responses. Collectively, our findings highlight the potential of Fan, which elicits antiviral immunity by suppressing STING degradation, as a promising candidate for antiviral therapy.
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Affiliation(s)
- Jinyong Wang
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Fang Xie
- School of Life Science, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Xin Jia
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Xuejiao Wang
- School of Life Science, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Lingdong Kong
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Yiying Li
- School of Life Science, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Xue Liang
- School of Life Science, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Meiqi Zhang
- School of Life Science, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Yuting He
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Wandi Feng
- Beijing Key Laboratory of Drug Target Identification and New Drug Screening, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
| | - Tong Luo
- School of Life Science, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Yao Wang
- School of Life Science, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Anlong Xu
- School of Life Science, Beijing University of Chinese Medicine, Beijing, 100029, China
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15
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Griesman T, McMillen CM, Negatu SG, Hulahan JJ, Whig K, Dohnalová L, Dittmar M, Thaiss CA, Jurado KA, Schultz DC, Hartman AL, Cherry S. The lipopeptide Pam3CSK4 inhibits Rift Valley fever virus infection and protects from encephalitis. PLoS Pathog 2024; 20:e1012343. [PMID: 38935789 PMCID: PMC11236204 DOI: 10.1371/journal.ppat.1012343] [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: 12/19/2023] [Revised: 07/10/2024] [Accepted: 06/12/2024] [Indexed: 06/29/2024] Open
Abstract
Rift Valley fever virus (RVFV) is an encephalitic bunyavirus that can infect neurons in the brain. There are no approved therapeutics that can protect from RVFV encephalitis. Innate immunity, the first line of defense against infection, canonically antagonizes viruses through interferon signaling. We found that interferons did not efficiently protect primary cortical neurons from RVFV, unlike other cell types. To identify alternative neuronal antiviral pathways, we screened innate immune ligands and discovered that the TLR2 ligand Pam3CSK4 inhibited RVFV infection, and other bunyaviruses. Mechanistically, we found that Pam3CSK4 blocks viral fusion, independent of TLR2. In a mouse model of RVFV encephalitis, Pam3CSK4 treatment protected animals from infection and mortality. Overall, Pam3CSK4 is a bunyavirus fusion inhibitor active in primary neurons and the brain, representing a new approach toward the development of treatments for encephalitic bunyavirus infections.
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Affiliation(s)
- Trevor Griesman
- Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia Pennsylvania, United States of America
| | - Cynthia M. McMillen
- Center for Vaccine Research, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
- Department of Infectious Diseases and Microbiology, University of Pittsburgh School of Public Health, Pittsburgh, Pennsylvania, United States of America
| | - Seble Getenet Negatu
- Department of Microbiology, University of Pennsylvania, Philadelphia Pennsylvania, Unites States of America
| | - Jesse J. Hulahan
- Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia Pennsylvania, United States of America
| | - Kanupriya Whig
- High throughput screening core, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
| | - Lenka Dohnalová
- Department of Microbiology, University of Pennsylvania, Philadelphia Pennsylvania, Unites States of America
| | - Mark Dittmar
- Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia Pennsylvania, United States of America
| | - Christoph A. Thaiss
- Department of Microbiology, University of Pennsylvania, Philadelphia Pennsylvania, Unites States of America
| | - Kellie A. Jurado
- Department of Microbiology, University of Pennsylvania, Philadelphia Pennsylvania, Unites States of America
| | - David C. Schultz
- High throughput screening core, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
| | - Amy L. Hartman
- Center for Vaccine Research, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
- Department of Infectious Diseases and Microbiology, University of Pittsburgh School of Public Health, Pittsburgh, Pennsylvania, United States of America
| | - Sara Cherry
- Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia Pennsylvania, United States of America
- High throughput screening core, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
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16
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Malireddi RKS, Sharma BR, Kanneganti TD. Innate Immunity in Protection and Pathogenesis During Coronavirus Infections and COVID-19. Annu Rev Immunol 2024; 42:615-645. [PMID: 38941608 PMCID: PMC11373870 DOI: 10.1146/annurev-immunol-083122-043545] [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: 06/30/2024]
Abstract
The COVID-19 pandemic was caused by the recently emerged β-coronavirus SARS-CoV-2. SARS-CoV-2 has had a catastrophic impact, resulting in nearly 7 million fatalities worldwide to date. The innate immune system is the first line of defense against infections, including the detection and response to SARS-CoV-2. Here, we discuss the innate immune mechanisms that sense coronaviruses, with a focus on SARS-CoV-2 infection and how these protective responses can become detrimental in severe cases of COVID-19, contributing to cytokine storm, inflammation, long-COVID, and other complications. We also highlight the complex cross talk among cytokines and the cellular components of the innate immune system, which can aid in viral clearance but also contribute to inflammatory cell death, cytokine storm, and organ damage in severe COVID-19 pathogenesis. Furthermore, we discuss how SARS-CoV-2 evades key protective innate immune mechanisms to enhance its virulence and pathogenicity, as well as how innate immunity can be therapeutically targeted as part of the vaccination and treatment strategy. Overall, we highlight how a comprehensive understanding of innate immune mechanisms has been crucial in the fight against SARS-CoV-2 infections and the development of novel host-directed immunotherapeutic strategies for various diseases.
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Affiliation(s)
- R K Subbarao Malireddi
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, Tennessee, USA;
| | - Bhesh Raj Sharma
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, Tennessee, USA;
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17
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Lee HJ, Park JH, Park IH, Shin OS. Stimulator of Interferon Gene Agonists Induce an Innate Antiviral Response against Influenza Viruses. Viruses 2024; 16:855. [PMID: 38932148 PMCID: PMC11209029 DOI: 10.3390/v16060855] [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: 03/18/2024] [Revised: 05/13/2024] [Accepted: 05/16/2024] [Indexed: 06/28/2024] Open
Abstract
The devastating effects of COVID-19 have highlighted the importance of prophylactic and therapeutic strategies to combat respiratory diseases. Stimulator of interferon gene (STING) is an essential component of the host defense mechanisms against respiratory viral infections. Although the role of the cGAS/STING signaling axis in the innate immune response to DNA viruses has been thoroughly characterized, mounting evidence shows that it also plays a key role in the prevention of RNA virus infections. In this study, we investigated the role of STING activation during Influenza virus (IFV) infection. In both mouse bone marrow-derived macrophages and monocytic cell line THP-1 differentiated with PMA, we found that dimeric amidobenzimidazole (diABZI), a STING agonist, had substantial anti-IFV activity against multiple strains of IFV, including A/H1N1, A/H3N2, B/Yamagata, and B/Victoria. On the other hand, a pharmacological antagonist of STING (H-151) or the loss of STING in human macrophages leads to enhanced viral replication but suppressed IFN expression. Furthermore, diABZI was antiviral against IFV in primary air-liquid interface cultures of nasal epithelial cells. Our data suggest that STING agonists may serve as promising therapeutic antiviral agents to combat IFV.
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Affiliation(s)
- Hyun Jung Lee
- BK21 Graduate Program, Department of Biomedical Sciences, College of Medicine, Korea University Guro Hospital, Seoul 08308, Republic of Korea
| | - Joo-Hoo Park
- Department of Otorhinolaryngology-Head and Neck Surgery, Korea University College of Medicine, Seoul 08308, Republic of Korea
- Upper Airway Chronic Inflammatory Diseases Laboratory, Korea University, Seoul 08308, Republic of Korea
| | - Il-Ho Park
- Department of Otorhinolaryngology-Head and Neck Surgery, Korea University College of Medicine, Seoul 08308, Republic of Korea
- Upper Airway Chronic Inflammatory Diseases Laboratory, Korea University, Seoul 08308, Republic of Korea
| | - Ok Sarah Shin
- BK21 Graduate Program, Department of Biomedical Sciences, College of Medicine, Korea University Guro Hospital, Seoul 08308, Republic of Korea
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18
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Viox EG, Bosinger SE, Douek DC, Schreiber G, Paiardini M. Harnessing the power of IFN for therapeutic approaches to COVID-19. J Virol 2024; 98:e0120423. [PMID: 38651899 PMCID: PMC11092331 DOI: 10.1128/jvi.01204-23] [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] [Indexed: 04/25/2024] Open
Abstract
Interferons (IFNs) are essential for defense against viral infections but also drive recruitment of inflammatory cells to sites of infection, a key feature of severe COVID-19. Here, we explore the complexity of the IFN response in COVID-19, examine the effects of manipulating IFN on SARS-CoV-2 viral replication and pathogenesis, and highlight pre-clinical and clinical studies evaluating the therapeutic efficacy of IFN in limiting COVID-19 severity.
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Affiliation(s)
- Elise G. Viox
- Division of Microbiology and Immunology, Emory National Primate Research Center, Emory University, Atlanta, Georgia, USA
| | - Steven E. Bosinger
- Division of Microbiology and Immunology, Emory National Primate Research Center, Emory University, Atlanta, Georgia, USA
- Emory NPRC Genomics Core Emory National Primate Research Center, Emory University, Atlanta, Georgia, USA
- Department of Pathology and Laboratory Medicine, School of Medicine, Emory University, Atlanta, Georgia, USA
| | - Daniel C. Douek
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, USA
| | - Gideon Schreiber
- Department of Biomolecular Sciences, Weizmann Institute of Science, Rehovot, Israel
| | - Mirko Paiardini
- Division of Microbiology and Immunology, Emory National Primate Research Center, Emory University, Atlanta, Georgia, USA
- Department of Pathology and Laboratory Medicine, School of Medicine, Emory University, Atlanta, Georgia, USA
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19
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Garcia-Vidal E, Calba I, Riveira-Muñoz E, García E, Clotet B, Serra-Mitjà P, Cabrera C, Ballana E, Badia R. Nucleotide-Binding Oligomerization Domain 1 (NOD1) Agonists Prevent SARS-CoV-2 Infection in Human Lung Epithelial Cells through Harnessing the Innate Immune Response. Int J Mol Sci 2024; 25:5318. [PMID: 38791357 PMCID: PMC11121681 DOI: 10.3390/ijms25105318] [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: 04/04/2024] [Revised: 05/05/2024] [Accepted: 05/09/2024] [Indexed: 05/26/2024] Open
Abstract
The lung is prone to infections from respiratory viruses such as Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2). A challenge in combating these infections is the difficulty in targeting antiviral activity directly at the lung mucosal tract. Boosting the capability of the respiratory mucosa to trigger a potent immune response at the onset of infection could serve as a potential strategy for managing respiratory infections. This study focused on screening immunomodulators to enhance innate immune response in lung epithelial and immune cell models. Through testing various subfamilies and pathways of pattern recognition receptors (PRRs), the nucleotide-binding and oligomerization domain (NOD)-like receptor (NLR) family was found to selectively activate innate immunity in lung epithelial cells. Activation of NOD1 and dual NOD1/2 by the agonists TriDAP and M-TriDAP, respectively, increased the number of IL-8+ cells by engaging the NF-κB and interferon response pathways. Lung epithelial cells showed a stronger response to NOD1 and dual NOD1/2 agonists compared to control. Interestingly, a less-pronounced response to NOD1 agonists was noted in PBMCs, indicating a tissue-specific effect of NOD1 in lung epithelial cells without inducing widespread systemic activation. The specificity of the NOD agonist pathway was confirmed through gene silencing of NOD1 (siRNA) and selective NOD1 and dual NOD1/2 inhibitors in lung epithelial cells. Ultimately, activation induced by NOD1 and dual NOD1/2 agonists created an antiviral environment that hindered SARS-CoV-2 replication in vitro in lung epithelial cells.
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Affiliation(s)
| | - Ignasi Calba
- IrsiCaixa, 08916 Badalona, Barcelona, Spain (E.G.)
- Health Research Institute Germans Trias i Pujol (IGTP), Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, 08916 Badalona, Barcelona, Spain
| | | | | | - Bonaventura Clotet
- IrsiCaixa, 08916 Badalona, Barcelona, Spain (E.G.)
- University of Vic—Central University of Catalonia (UVic-UCC), 08500 Vic, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas, CIBERINFEC, 28029 Madrid, Spain
| | - Pere Serra-Mitjà
- Pulmonology and Allergy Unit, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, 08041 Barcelona, Barcelona, Spain;
| | - Cecilia Cabrera
- IrsiCaixa, 08916 Badalona, Barcelona, Spain (E.G.)
- Health Research Institute Germans Trias i Pujol (IGTP), Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, 08916 Badalona, Barcelona, Spain
| | - Ester Ballana
- IrsiCaixa, 08916 Badalona, Barcelona, Spain (E.G.)
- Health Research Institute Germans Trias i Pujol (IGTP), Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, 08916 Badalona, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas, CIBERINFEC, 28029 Madrid, Spain
| | - Roger Badia
- IrsiCaixa, 08916 Badalona, Barcelona, Spain (E.G.)
- Health Research Institute Germans Trias i Pujol (IGTP), Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, 08916 Badalona, Barcelona, Spain
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20
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Xie F, Zhu Q. The regulation of cGAS-STING signaling by RNA virus-derived components. Virol J 2024; 21:101. [PMID: 38693578 PMCID: PMC11064393 DOI: 10.1186/s12985-024-02359-1] [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: 02/04/2024] [Accepted: 04/04/2024] [Indexed: 05/03/2024] Open
Abstract
The Cyclic GMP-AMP synthase-stimulator of interferon genes (cGAS-STING) serves as a key innate immune signaling axis involved in the regulation of various human diseases. It has been found that cGAS-STING pathway can recognize a variety of cytosolic double-stranded DNA (dsDNA), contributing to cause a robust type I interferon response thereby affecting the occurrence and progression of viral infection. Accumulating evidence indicates RNA virus-derived components play an important role in regulating cGAS-STING signaling, either as protective or pathogenic factors in the pathogenesis of diseases. Thus, a comprehensive understanding of the function of RNA virus-derived components in regulating cGAS-STING signaling will provide insights into developing novel therapies. Here, we review the existing literature on cGAS-STING pathway regulated by RNA virus-derived components to propose insights into pharmacologic strategies targeting the cGAS-STING pathway.
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Affiliation(s)
- Feiting Xie
- Zhejiang Key Laboratory of Precision Diagnosis and Therapy for Major Gynecological Diseases, Women's Hospital, Zhejiang University School of Medicine, 310006, Hangzhou, China.
| | - Qiugang Zhu
- Department of Laboratory Medicine, Shangyu People's Hospital of Shaoxing, Shaoxing, China
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21
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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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22
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Otter CJ, Bracci N, Parenti NA, Ye C, Asthana A, Blomqvist EK, Tan LH, Pfannenstiel JJ, Jackson N, Fehr AR, Silverman RH, Burke JM, Cohen NA, Martinez-Sobrido L, Weiss SR. SARS-CoV-2 nsp15 endoribonuclease antagonizes dsRNA-induced antiviral signaling. Proc Natl Acad Sci U S A 2024; 121:e2320194121. [PMID: 38568967 PMCID: PMC11009620 DOI: 10.1073/pnas.2320194121] [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: 11/20/2023] [Accepted: 02/26/2024] [Indexed: 04/05/2024] Open
Abstract
Severe acute respiratory syndrome coronavirus (SARS-CoV)-2 has caused millions of deaths since its emergence in 2019. Innate immune antagonism by lethal CoVs such as SARS-CoV-2 is crucial for optimal replication and pathogenesis. The conserved nonstructural protein 15 (nsp15) endoribonuclease (EndoU) limits activation of double-stranded (ds)RNA-induced pathways, including interferon (IFN) signaling, protein kinase R (PKR), and oligoadenylate synthetase/ribonuclease L (OAS/RNase L) during diverse CoV infections including murine coronavirus and Middle East respiratory syndrome (MERS)-CoV. To determine how nsp15 functions during SARS-CoV-2 infection, we constructed a recombinant SARS-CoV-2 (nsp15mut) expressing catalytically inactivated nsp15, which we show promoted increased dsRNA accumulation. Infection with SARS-CoV-2 nsp15mut led to increased activation of the IFN signaling and PKR pathways in lung-derived epithelial cell lines and primary nasal epithelial air-liquid interface (ALI) cultures as well as significant attenuation of replication in ALI cultures compared to wild-type virus. This replication defect was rescued when IFN signaling was inhibited with the Janus activated kinase (JAK) inhibitor ruxolitinib. Finally, to assess nsp15 function in the context of minimal (MERS-CoV) or moderate (SARS-CoV-2) innate immune induction, we compared infections with SARS-CoV-2 nsp15mut and previously described MERS-CoV nsp15 mutants. Inactivation of nsp15 had a more dramatic impact on MERS-CoV replication than SARS-CoV-2 in both Calu3 cells and nasal ALI cultures suggesting that SARS-CoV-2 can better tolerate innate immune responses. Taken together, SARS-CoV-2 nsp15 is a potent inhibitor of dsRNA-induced innate immune response and its antagonism of IFN signaling is necessary for optimal viral replication in primary nasal ALI cultures.
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Affiliation(s)
- Clayton J. Otter
- Department of Microbiology, University of Pennsylvania, Philadelphia, PA19104
- Penn Center for Research on Coronaviruses and Other Emerging Pathogens, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA19104
| | - Nicole Bracci
- Department of Microbiology, University of Pennsylvania, Philadelphia, PA19104
- Penn Center for Research on Coronaviruses and Other Emerging Pathogens, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA19104
| | - Nicholas A. Parenti
- Department of Microbiology, University of Pennsylvania, Philadelphia, PA19104
- Penn Center for Research on Coronaviruses and Other Emerging Pathogens, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA19104
| | - Chengjin Ye
- Disease Intervention and Prevention, Texas Biomedical Research Institute, San Antonio, TX78227
| | - Abhishek Asthana
- Department of Cancer Biology, Lerner Research Institute, Cleveland Clinic, Cleveland, OH44195
| | - Ebba K. Blomqvist
- Department of Molecular Medicine, The Herbert Wertheim University of Florida Scripps Institute for Biomedical Innovation & Technology, Jupiter, FL33458
- Department of Immunology and Microbiology, The Herbert Wertheim University of Florida Scripps Institute for Biomedical Innovation & Technology, Jupiter, FL33458
| | - Li Hui Tan
- Department of Otorhinolaryngology-Head and Neck Surgery, University of Pennsylvania, Philadelphia, PA19104
- Department of Surgery, Corporal Michael J. Crescenz Veterans Administration Medical Center, Philadelphia, PA19104
| | | | - Nathaniel Jackson
- Disease Intervention and Prevention, Texas Biomedical Research Institute, San Antonio, TX78227
| | - Anthony R. Fehr
- Department of Molecular Biosciences, University of Kansas, Lawrence, KS66045
| | - Robert H. Silverman
- Department of Cancer Biology, Lerner Research Institute, Cleveland Clinic, Cleveland, OH44195
| | - James M. Burke
- Department of Molecular Medicine, The Herbert Wertheim University of Florida Scripps Institute for Biomedical Innovation & Technology, Jupiter, FL33458
- Department of Immunology and Microbiology, The Herbert Wertheim University of Florida Scripps Institute for Biomedical Innovation & Technology, Jupiter, FL33458
| | - Noam A. Cohen
- Department of Otorhinolaryngology-Head and Neck Surgery, University of Pennsylvania, Philadelphia, PA19104
- Department of Surgery, Corporal Michael J. Crescenz Veterans Administration Medical Center, Philadelphia, PA19104
| | - Luis Martinez-Sobrido
- Disease Intervention and Prevention, Texas Biomedical Research Institute, San Antonio, TX78227
| | - Susan R. Weiss
- Department of Microbiology, University of Pennsylvania, Philadelphia, PA19104
- Penn Center for Research on Coronaviruses and Other Emerging Pathogens, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA19104
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23
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Steiner S, Kratzel A, Barut GT, Lang RM, Aguiar Moreira E, Thomann L, Kelly JN, Thiel V. SARS-CoV-2 biology and host interactions. Nat Rev Microbiol 2024; 22:206-225. [PMID: 38225365 DOI: 10.1038/s41579-023-01003-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/01/2023] [Indexed: 01/17/2024]
Abstract
The zoonotic emergence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and the ensuing coronavirus disease 2019 (COVID-19) pandemic have profoundly affected our society. The rapid spread and continuous evolution of new SARS-CoV-2 variants continue to threaten global public health. Recent scientific advances have dissected many of the molecular and cellular mechanisms involved in coronavirus infections, and large-scale screens have uncovered novel host-cell factors that are vitally important for the virus life cycle. In this Review, we provide an updated summary of the SARS-CoV-2 life cycle, gene function and virus-host interactions, including recent landmark findings on general aspects of coronavirus biology and newly discovered host factors necessary for virus replication.
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Affiliation(s)
- Silvio Steiner
- Institute of Virology and Immunology, Bern and Mittelhäusern, Bern, Switzerland
- Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Bern, Switzerland
| | - Annika Kratzel
- Institute of Virology and Immunology, Bern and Mittelhäusern, Bern, Switzerland
- Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Bern, Switzerland
| | - G Tuba Barut
- Institute of Virology and Immunology, Bern and Mittelhäusern, Bern, Switzerland
- Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Bern, Switzerland
| | - Reto M Lang
- Institute of Virology and Immunology, Bern and Mittelhäusern, Bern, Switzerland
- Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Bern, Switzerland
- Graduate School for Cellular and Biomedical Sciences, University of Bern, Bern, Switzerland
| | - Etori Aguiar Moreira
- Institute of Virology and Immunology, Bern and Mittelhäusern, Bern, Switzerland
- Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Bern, Switzerland
| | - Lisa Thomann
- Institute of Virology and Immunology, Bern and Mittelhäusern, Bern, Switzerland
- Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Bern, Switzerland
| | - Jenna N Kelly
- Institute of Virology and Immunology, Bern and Mittelhäusern, Bern, Switzerland
- Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Bern, Switzerland
- Multidisciplinary Center for Infectious Diseases, University of Bern, Bern, Switzerland
- European Virus Bioinformatics Center, Jena, Germany
| | - Volker Thiel
- Institute of Virology and Immunology, Bern and Mittelhäusern, Bern, Switzerland.
- Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Bern, Switzerland.
- Multidisciplinary Center for Infectious Diseases, University of Bern, Bern, Switzerland.
- European Virus Bioinformatics Center, Jena, Germany.
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24
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Baker PJ, Bohrer AC, Castro E, Amaral EP, Snow-Smith M, Torres-Juárez F, Gould ST, Queiroz ATL, Fukutani ER, Jordan CM, Khillan JS, Cho K, Barber DL, Andrade BB, Johnson RF, Hilligan KL, Mayer-Barber KD. The inflammatory microenvironment of the lung at the time of infection governs innate control of SARS-CoV-2 replication. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.03.27.586885. [PMID: 38585846 PMCID: PMC10996686 DOI: 10.1101/2024.03.27.586885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/09/2024]
Abstract
SARS-CoV-2 infection leads to vastly divergent clinical outcomes ranging from asymptomatic infection to fatal disease. Co-morbidities, sex, age, host genetics and vaccine status are known to affect disease severity. Yet, how the inflammatory milieu of the lung at the time of SARS-CoV-2 exposure impacts the control of viral replication remains poorly understood. We demonstrate here that immune events in the mouse lung closely preceding SARS-CoV-2 infection significantly impact viral control and we identify key innate immune pathways required to limit viral replication. A diverse set of pulmonary inflammatory stimuli, including resolved antecedent respiratory infections with S. aureus or influenza, ongoing pulmonary M. tuberculosis infection, ovalbumin/alum-induced asthma or airway administration of defined TLR ligands and recombinant cytokines, all establish an antiviral state in the lung that restricts SARS-CoV-2 replication upon infection. In addition to antiviral type I interferons, the broadly inducible inflammatory cytokines TNFα and IL-1 precondition the lung for enhanced viral control. Collectively, our work shows that SARS-CoV-2 may benefit from an immunologically quiescent lung microenvironment and suggests that heterogeneity in pulmonary inflammation that precedes or accompanies SARS-CoV-2 exposure may be a significant factor contributing to the population-wide variability in COVID-19 disease outcomes.
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Affiliation(s)
- Paul J. Baker
- Inflammation and Innate Immunity Unit, Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, Maryland 20892, USA
- Current Address: Centre for Innate Immunity and Infectious Diseases, Hudson Institute of Medical Research, Clayton, Victoria 3168, Australia
| | - Andrea C. Bohrer
- Inflammation and Innate Immunity Unit, Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, Maryland 20892, USA
| | - Ehydel Castro
- Inflammation and Innate Immunity Unit, Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, Maryland 20892, USA
| | - Eduardo P. Amaral
- Inflammation and Innate Immunity Unit, Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, Maryland 20892, USA
| | - Maryonne Snow-Smith
- Inflammation and Innate Immunity Unit, Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, Maryland 20892, USA
- Human Eosinophil Section, Laboratory of Parasitic Diseases, NIAID, NIH, Bethesda, Maryland 20892, USA
| | - Flor Torres-Juárez
- Inflammation and Innate Immunity Unit, Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, Maryland 20892, USA
| | - Sydnee T. Gould
- T Lymphocyte Biology Section, Laboratory of Parasitic Diseases, NIAID, NIH, Bethesda, Maryland 20892, USA
- Current Address: Department of Molecular and Cell Biology, University of California, Berkeley, CA 94720, USA
| | - Artur T. L. Queiroz
- Multinational Organization Network Sponsoring Translational and Epidemiological Research Initiative, Salvador, Bahia 41810-710, Brazil
- Laboratory of Clinical and Translational Research, Gonçalo Moniz Institute, Oswaldo Cruz Foundation, Salvador, Bahia 40296-710, Brazil
| | - Eduardo R. Fukutani
- Multinational Organization Network Sponsoring Translational and Epidemiological Research Initiative, Salvador, Bahia 41810-710, Brazil
- Laboratory of Clinical and Translational Research, Gonçalo Moniz Institute, Oswaldo Cruz Foundation, Salvador, Bahia 40296-710, Brazil
| | - Cassandra M. Jordan
- Inflammation and Innate Immunity Unit, Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, Maryland 20892, USA
| | - Jaspal S. Khillan
- Mouse Genetics and Gene Modification Section, Comparative Medicine Branch, NIAID, NIH, Rockville, Maryland 20852, USA
| | - Kyoungin Cho
- Mouse Genetics and Gene Modification Section, Comparative Medicine Branch, NIAID, NIH, Rockville, Maryland 20852, USA
| | - Daniel L. Barber
- T Lymphocyte Biology Section, Laboratory of Parasitic Diseases, NIAID, NIH, Bethesda, Maryland 20892, USA
| | - Bruno B. Andrade
- Multinational Organization Network Sponsoring Translational and Epidemiological Research Initiative, Salvador, Bahia 41810-710, Brazil
- Laboratory of Clinical and Translational Research, Gonçalo Moniz Institute, Oswaldo Cruz Foundation, Salvador, Bahia 40296-710, Brazil
| | - Reed F. Johnson
- SCV2 Virology Core, Laboratory of Viral Diseases, NIAID, NIH, Bethesda, Maryland 20892, USA
| | - Kerry L. Hilligan
- Malaghan Institute of Medical Research, Wellington 6012, New Zealand
| | - Katrin D. Mayer-Barber
- Inflammation and Innate Immunity Unit, Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, Maryland 20892, USA
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25
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Mohamud Y, Fu C, Fan YM, Zhang YL, Lin JFC, Hwang SW, Wang ZC, Luo H. Activation of cGAS-STING suppresses coxsackievirus replication via interferon-dependent signaling. Antiviral Res 2024; 222:105811. [PMID: 38242503 DOI: 10.1016/j.antiviral.2024.105811] [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: 11/10/2023] [Revised: 01/02/2024] [Accepted: 01/16/2024] [Indexed: 01/21/2024]
Abstract
Coxsackievirus B3 (CVB3) is a non-enveloped, single-stranded, positive RNA virus known for its role in provoking inflammatory diseases that affect the heart, pancreas, and brain, leading to conditions such as myocarditis, pancreatitis, and meningitis. Currently, there are no FDA-approved drugs treating CVB3 infection; therefore, identifying potential molecular targets for antiviral drug development is imperative. In this study, we examined the possibility of activating the cyclic GMP-AMP (cGAMP) synthase (cGAS)-stimulator of interferon genes (STING) pathway, a cytosolic DNA-sensing pathway that triggers a type-I interferon (IFN) response, in inhibiting CVB3 infection. We found that activation of the cGAS-STING pathway through the application of cGAS (poly dA:dT and herring testes DNA) or STING agonists (2'3'-cGAMP and diamidobenzimidazole), or the overexpression of STING, significantly suppresses CVB3 replication. Conversely, gene-silencing of STING enhances viral replication. Mechanistically, we demonstrated that cGAS-STING activation combats CVB3 infection by inducing IFN response. Notably, we discovered that knockdown of IFN-α/β receptor, a key membrane receptor in type-I IFN signaling, or inhibition of the downstream JAK1/2 signaling with ruxolitinib, mitigates the effects of STING activation, resulting in increased viral protein production. Furthermore, we investigated the interplay between CVB3 and the cGAS-STING pathway. We showed that CVB3 does not trigger cGAS-STING activation; instead, it antagonizes STING and the downstream TBK1 activation induced by cGAMP. In summary, our results provide insights into the interaction of an RNA virus and the DNA-sensing pathway, highlighting the potential for agonist activation of the cGAS-STING pathway in the development of anti-CVB3 drugs.
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Affiliation(s)
- Yasir Mohamud
- Centre for Heart Lung Innovation, St Paul's Hospital, Vancouver, BC, V6Z 1Y6, Canada; Department of Pathology and Laboratory of Medicine, University of British Columbia, Vancouver, BC, V6Z 1Y6, Canada
| | - Cathy Fu
- Centre for Heart Lung Innovation, St Paul's Hospital, Vancouver, BC, V6Z 1Y6, Canada; Department of Pathology and Laboratory of Medicine, University of British Columbia, Vancouver, BC, V6Z 1Y6, Canada
| | - Yiyun Michelle Fan
- Centre for Heart Lung Innovation, St Paul's Hospital, Vancouver, BC, V6Z 1Y6, Canada; Department of Pathology and Laboratory of Medicine, University of British Columbia, Vancouver, BC, V6Z 1Y6, Canada
| | - Yizhuo Lyanne Zhang
- Centre for Heart Lung Innovation, St Paul's Hospital, Vancouver, BC, V6Z 1Y6, Canada; Department of Pathology and Laboratory of Medicine, University of British Columbia, Vancouver, BC, V6Z 1Y6, Canada
| | - Jing Fei Carly Lin
- Centre for Heart Lung Innovation, St Paul's Hospital, Vancouver, BC, V6Z 1Y6, Canada; Department of Pathology and Laboratory of Medicine, University of British Columbia, Vancouver, BC, V6Z 1Y6, Canada
| | - Sinwoo Wendy Hwang
- Centre for Heart Lung Innovation, St Paul's Hospital, Vancouver, BC, V6Z 1Y6, Canada; Department of Pathology and Laboratory of Medicine, University of British Columbia, Vancouver, BC, V6Z 1Y6, Canada
| | - Zhihan Claire Wang
- Centre for Heart Lung Innovation, St Paul's Hospital, Vancouver, BC, V6Z 1Y6, Canada; Department of Pathology and Laboratory of Medicine, University of British Columbia, Vancouver, BC, V6Z 1Y6, Canada
| | - Honglin Luo
- Centre for Heart Lung Innovation, St Paul's Hospital, Vancouver, BC, V6Z 1Y6, Canada; Department of Pathology and Laboratory of Medicine, University of British Columbia, Vancouver, BC, V6Z 1Y6, Canada.
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26
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Liu J, Zhou J, Luan Y, Li X, Meng X, Liao W, Tang J, Wang Z. cGAS-STING, inflammasomes and pyroptosis: an overview of crosstalk mechanism of activation and regulation. Cell Commun Signal 2024; 22:22. [PMID: 38195584 PMCID: PMC10775518 DOI: 10.1186/s12964-023-01466-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: 08/23/2023] [Accepted: 12/28/2023] [Indexed: 01/11/2024] Open
Abstract
BACKGROUND Intracellular DNA-sensing pathway cGAS-STING, inflammasomes and pyroptosis act as critical natural immune signaling axes for microbial infection, chronic inflammation, cancer progression and organ degeneration, but the mechanism and regulation of the crosstalk network remain unclear. Cellular stress disrupts mitochondrial homeostasis, facilitates the opening of mitochondrial permeability transition pore and the leakage of mitochondrial DNA to cell membrane, triggers inflammatory responses by activating cGAS-STING signaling, and subsequently induces inflammasomes activation and the onset of pyroptosis. Meanwhile, the inflammasome-associated protein caspase-1, Gasdermin D, the CARD domain of ASC and the potassium channel are involved in regulating cGAS-STING pathway. Importantly, this crosstalk network has a cascade amplification effect that exacerbates the immuno-inflammatory response, worsening the pathological process of inflammatory and autoimmune diseases. Given the importance of this crosstalk network of cGAS-STING, inflammasomes and pyroptosis in the regulation of innate immunity, it is emerging as a new avenue to explore the mechanisms of multiple disease pathogenesis. Therefore, efforts to define strategies to selectively modulate cGAS-STING, inflammasomes and pyroptosis in different disease settings have been or are ongoing. In this review, we will describe how this mechanistic understanding is driving possible therapeutics targeting this crosstalk network, focusing on the interacting or regulatory proteins, pathways, and a regulatory mitochondrial hub between cGAS-STING, inflammasomes, and pyroptosis. SHORT CONCLUSION This review aims to provide insight into the critical roles and regulatory mechanisms of the crosstalk network of cGAS-STING, inflammasomes and pyroptosis, and to highlight some promising directions for future research and intervention.
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Affiliation(s)
- Jingwen Liu
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
| | - Jing Zhou
- The Second Hospital of Ningbo, Ningbo, 315099, China
| | - Yuling Luan
- Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Xiaoying Li
- Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 200080, China
| | - Xiangrui Meng
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
| | - Wenhao Liao
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
| | - Jianyuan Tang
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China.
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China.
| | - Zheilei Wang
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China.
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China.
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Gavilán E, Medina-Guzman R, Bahatyrevich-Kharitonik B, Ruano D. Protein Quality Control Systems and ER Stress as Key Players in SARS-CoV-2-Induced Neurodegeneration. Cells 2024; 13:123. [PMID: 38247815 PMCID: PMC10814689 DOI: 10.3390/cells13020123] [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: 11/29/2023] [Revised: 01/03/2024] [Accepted: 01/08/2024] [Indexed: 01/23/2024] Open
Abstract
The COVID-19 pandemic has brought to the forefront the intricate relationship between SARS-CoV-2 and its impact on neurological complications, including potential links to neurodegenerative processes, characterized by a dysfunction of the protein quality control systems and ER stress. This review article explores the role of protein quality control systems, such as the Unfolded Protein Response (UPR), the Endoplasmic Reticulum-Associated Degradation (ERAD), the Ubiquitin-Proteasome System (UPS), autophagy and the molecular chaperones, in SARS-CoV-2 infection. Our hypothesis suggests that SARS-CoV-2 produces ER stress and exploits the protein quality control systems, leading to a disruption in proteostasis that cannot be solved by the host cell. This disruption culminates in cell death and may represent a link between SARS-CoV-2 and neurodegeneration.
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Affiliation(s)
- Elena Gavilán
- Departamento de Bioquímica y Biología Molecular, Facultad de Farmacia, Universidad de Sevilla (US), 41012 Sevilla, Spain; (R.M.-G.); (B.B.-K.); (D.R.)
- Instituto de Biomedicina de Sevilla, IBIS, Hospital Universitario Virgen del Rocío, Junta de Andalucía, CSIC, University of Seville (US), 41013 Sevilla, Spain
| | - Rafael Medina-Guzman
- Departamento de Bioquímica y Biología Molecular, Facultad de Farmacia, Universidad de Sevilla (US), 41012 Sevilla, Spain; (R.M.-G.); (B.B.-K.); (D.R.)
| | - Bazhena Bahatyrevich-Kharitonik
- Departamento de Bioquímica y Biología Molecular, Facultad de Farmacia, Universidad de Sevilla (US), 41012 Sevilla, Spain; (R.M.-G.); (B.B.-K.); (D.R.)
- Instituto de Biomedicina de Sevilla, IBIS, Hospital Universitario Virgen del Rocío, Junta de Andalucía, CSIC, University of Seville (US), 41013 Sevilla, Spain
| | - Diego Ruano
- Departamento de Bioquímica y Biología Molecular, Facultad de Farmacia, Universidad de Sevilla (US), 41012 Sevilla, Spain; (R.M.-G.); (B.B.-K.); (D.R.)
- Instituto de Biomedicina de Sevilla, IBIS, Hospital Universitario Virgen del Rocío, Junta de Andalucía, CSIC, University of Seville (US), 41013 Sevilla, Spain
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Silva MJA, Vieira MCDS, Souza AB, dos Santos EC, Marcelino BDR, Casseb SMM, Lima KVB, Lima LNGC. Analysis of associations between the TLR3 SNPs rs3775291 and rs3775290 and COVID-19 in a cohort of professionals of Belém-PA, Brazil. Front Cell Infect Microbiol 2023; 13:1320701. [PMID: 38173795 PMCID: PMC10763251 DOI: 10.3389/fcimb.2023.1320701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Accepted: 12/04/2023] [Indexed: 01/05/2024] Open
Abstract
The objective of this article was to verify associations between the SNPs rs3775291 (Cytosine [C]>Thymine [T]) and rs3775290 (C>T) of TLR3 in professionals from Health Institutions (HI) who worked during the first pandemic wave and COVID-19. A case-control study was carried out with workers from HI in Belém-PA, Brazil, divided into symptomatology groups (Asymptomatic-AS, n=91; and Symptomatic-SI, n=121), and severity groups, classified by Chest CT scan (symptomatic with lung involvement - SCP, n=34; symptomatic without lung involvement - SSP, n=8). Genotyping was performed by Sanger sequencing and statistical analysis was performed using the SPSS program. In the analysis of SNP rs3775291, the homozygous recessive genotype (T/T) was not found and the frequency of the mutant allele (T) was less than 2% in the cohort. For the rs3775290 SNP, the frequency of the mutant allele (T) was greater than 42% in the cohort. No significant associations were found for these SNPs in this cohort (N= 212 individuals). The scientific community and physicians can use these facts to find new methods of managing COVID-19.
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Affiliation(s)
- Marcos Jessé Abrahão Silva
- Molecular Biology Laboratory, Bacteriology and Mycology Section (SABMI), Evandro Chagas Institute (IEC), Ananindeua, Brazil
| | | | - Alex Brito Souza
- Molecular Biology Laboratory, Bacteriology and Mycology Section (SABMI), Evandro Chagas Institute (IEC), Ananindeua, Brazil
| | - Everaldina Cordeiro dos Santos
- Molecular Biology Laboratory, Bacteriology and Mycology Section (SABMI), Evandro Chagas Institute (IEC), Ananindeua, Brazil
| | - Beatriz dos Reis Marcelino
- Molecular Biology Laboratory, Bacteriology and Mycology Section (SABMI), Evandro Chagas Institute (IEC), Ananindeua, Brazil
| | | | - Karla Valéria Batista Lima
- Molecular Biology Laboratory, Bacteriology and Mycology Section (SABMI), Evandro Chagas Institute (IEC), Ananindeua, Brazil
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Cho SD, Shin H, Kim S, Kim HJ. Insights on interferon-independent induction of interferon-stimulated genes shaping the lung's response in early SARS-CoV-2 infection. Heliyon 2023; 9:e22997. [PMID: 38125412 PMCID: PMC10731229 DOI: 10.1016/j.heliyon.2023.e22997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 10/10/2023] [Accepted: 11/23/2023] [Indexed: 12/23/2023] Open
Abstract
While mRNA vaccine efficacy against the 2019 coronavirus disease (COVID-19) outbreak remains high, research on antiviral innate immune responses in the early stages of infection is essential to develop strategies to prevent the dissemination of SARS-CoV-2. In this study, we investigated the induction of both interferon (IFN)-stimulated genes (ISGs) and IFN-independently upregulated ISGs following SARS-CoV-2 infection in Syrian golden hamsters. The viral titers were highest at 3 days post-infection (dpi). Over time, the viral titer gradually decreased while ISGs such as Mx1, Ifit2, Ifit3, Ifi44, and Rsad2 were markedly induced in the lung. The transcription of ISGs significantly increased from 2 dpi, and SARS-CoV-2-induced ISGs were maintained in the hamster lung until 7 dpi. The transcription of Ifnb and Ifng was minimally elevated, while Ifnl2/3 was significantly induced in the lung at 5 days after SARS-CoV-2 infection. RNA sequencing results also showed that at 3 dpi, SARS-CoV-2 initiated the activation of ISGs, with lesser increases of Ifnl2 and Ifnl3 transcription. In addition, Ddx58 and cGAS, which encode factors for virus sensing, Stat1, Stat2, and IFN regulatory factor 7 and 9 mRNA levels were also induced at the initial stage of infection. Our data demonstrate that ISGs might be upregulated in the lung in response to SARS-CoV-2 during the early stages of infection, and the rapid induction of ISGs was not associated with the activation of IFNs. Elucidation of IFN-independent induction of ISGs could further our understanding of alternative defense mechanisms employed by the lungs against SARS-CoV-2 and provide more effective antiviral strategies for patients with severe COVID-19.
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Affiliation(s)
- Sung-Dong Cho
- Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology, Daejeon, South Korea
| | - Haeun Shin
- Department of Otorhinolaryngology, Seoul National University College of Medicine, Seoul, South Korea
| | - Sujin Kim
- Department of Otorhinolaryngology, Seoul National University College of Medicine, Seoul, South Korea
| | - Hyun Jik Kim
- Department of Otorhinolaryngology, Seoul National University College of Medicine, Seoul, South Korea
- Sensory Organ Research Institute, Seoul National University Medical Research Center, Seoul, Korea
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Elahi R, Hozhabri S, Moradi A, Siahmansouri A, Jahani Maleki A, Esmaeilzadeh A. Targeting the cGAS-STING pathway as an inflammatory crossroad in coronavirus disease 2019 (COVID-19). Immunopharmacol Immunotoxicol 2023; 45:639-649. [PMID: 37335770 DOI: 10.1080/08923973.2023.2215405] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Accepted: 05/14/2023] [Indexed: 06/21/2023]
Abstract
CONTEXT AND OBJECTIVE The emerging pandemic of coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2), has imposed significant mortality and morbidity on the world. An appropriate immune response is necessary to inhibit SARS-CoV-2 spread throughout the body. RESULTS During the early stages of infection, the pathway of stimulators of interferon genes (STING), known as the cGAS-STING pathway, has a significant role in the induction of the antiviral immune response by regulating nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) and Interferon regulatory factor 3 (IRF3), two key pathways responsible for proinflammatory cytokines and type I IFN secretion, respectively. DISCUSSION During the late stages of COVID-19, the uncontrolled inflammatory responses, also known as cytokine storm, lead to the progression of the disease and poor prognosis. Hyperactivity of STING, leading to elevated titers of proinflammatory cytokines, including Interleukin-I (IL-1), IL-4, IL-6, IL-18, and tissue necrosis factor-α (TNF-α), is considered one of the primary mechanisms contributing to the cytokine storm in COVID-19. CONCLUSION Exploring the underlying molecular processes involved in dysregulated inflammation can bring up novel anti-COVID-19 therapeutic options. In this article, we aim to discuss the role and current studies targeting the cGAS/STING signaling pathway in both early and late stages of COVID-19 and COVID-19-related complications and the therapeutic potential of STING agonists/antagonists. Furthermore, STING agonists have been discussed as a vaccine adjuvant to induce a potent and persistent immune response.
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Affiliation(s)
- Reza Elahi
- School of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Salar Hozhabri
- School of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Amirhosein Moradi
- School of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Amir Siahmansouri
- School of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran
| | | | - Abdolreza Esmaeilzadeh
- Department of Immunology, Zanjan University of Medical Sciences, Zanjan, Iran
- Cancer Gene Therapy Research Center (CGRC), Zanjan University of Medical Sciences, Zanjan, Iran
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31
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Lin C, Kuffour EO, Fuchs NV, Gertzen CGW, Kaiser J, Hirschenberger M, Tang X, Xu HC, Michel O, Tao R, Haase A, Martin U, Kurz T, Drexler I, Görg B, Lang PA, Luedde T, Sparrer KMJ, Gohlke H, König R, Münk C. Regulation of STING activity in DNA sensing by ISG15 modification. Cell Rep 2023; 42:113277. [PMID: 37864791 DOI: 10.1016/j.celrep.2023.113277] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 09/06/2023] [Accepted: 09/28/2023] [Indexed: 10/23/2023] Open
Abstract
Sensing of human immunodeficiency virus type 1 (HIV-1) DNA is mediated by the cyclic GMP-AMP synthase-stimulator of interferon genes (cGAS-STING) signaling axis. Signal transduction and regulation of this cascade is achieved by post-translational modifications. Here we show that cGAS-STING-dependent HIV-1 sensing requires interferon-stimulated gene 15 (ISG15). ISG15 deficiency inhibits STING-dependent sensing of HIV-1 and STING agonist-induced antiviral response. Upon external stimuli, STING undergoes ISGylation at residues K224, K236, K289, K347, K338, and K370. Inhibition of STING ISGylation at K289 suppresses STING-mediated type Ⅰ interferon induction by inhibiting its oligomerization. Of note, removal of STING ISGylation alleviates gain-of-function phenotype in STING-associated vasculopathy with onset in infancy (SAVI). Molecular modeling suggests that ISGylation of K289 is an important regulator of oligomerization. Taken together, our data demonstrate that ISGylation at K289 is crucial for STING activation and represents an important regulatory step in DNA sensing of viruses and autoimmune responses.
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Affiliation(s)
- Chaohui Lin
- Clinic of Gastroenterology, Hepatology and Infectious Diseases, Medical Faculty, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Edmund Osei Kuffour
- Clinic of Gastroenterology, Hepatology and Infectious Diseases, Medical Faculty, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Nina V Fuchs
- Host-Pathogen Interactions, Paul-Ehrlich-Institut, Langen, Germany
| | - Christoph G W Gertzen
- Institute for Pharmaceutical and Medicinal Chemistry, Heinrich Heine University Düsseldorf, Düsseldorf, Germany; Center for Structural Studies (CSS), Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Jesko Kaiser
- Institute for Pharmaceutical and Medicinal Chemistry, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | | | - Xiao Tang
- Clinic of Gastroenterology, Hepatology and Infectious Diseases, Medical Faculty, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Haifeng C Xu
- Department of Molecular Medicine II, Medical Faculty, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Oliver Michel
- Institute for Pharmaceutical and Medicinal Chemistry, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Ronny Tao
- Institute for Virology, Medical Faculty, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Alexandra Haase
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiothoracic, Transplantation and Vascular Surgery (HTTG), Hannover Medical School, 30625 Hannover, Germany; REBIRTH-Research Center for Translational and Regenerative Medicine, Hannover Medical School, 30625 Hannover, Germany
| | - Ulrich Martin
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiothoracic, Transplantation and Vascular Surgery (HTTG), Hannover Medical School, 30625 Hannover, Germany; REBIRTH-Research Center for Translational and Regenerative Medicine, Hannover Medical School, 30625 Hannover, Germany; Biomedical Research in Endstage and Obstructive Lung Disease (BREATH), Member of the German Center for Lung Research (DZL), Hannover Medical School, 30625 Hannover, Germany
| | - Thomas Kurz
- Institute for Pharmaceutical and Medicinal Chemistry, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Ingo Drexler
- Institute for Virology, Medical Faculty, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Boris Görg
- Clinic of Gastroenterology, Hepatology and Infectious Diseases, Medical Faculty, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Philipp A Lang
- Department of Molecular Medicine II, Medical Faculty, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Tom Luedde
- Clinic of Gastroenterology, Hepatology and Infectious Diseases, Medical Faculty, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | | | - Holger Gohlke
- Institute for Pharmaceutical and Medicinal Chemistry, Heinrich Heine University Düsseldorf, Düsseldorf, Germany; Institute of Bio- and Geosciences (IBG-4: Bioinformatics), Forschungszentrum Jülich GmbH, 52425 Jülich, Germany
| | - Renate König
- Host-Pathogen Interactions, Paul-Ehrlich-Institut, Langen, Germany
| | - Carsten Münk
- Clinic of Gastroenterology, Hepatology and Infectious Diseases, Medical Faculty, Heinrich Heine University Düsseldorf, Düsseldorf, Germany.
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Fisher CR, Mba Medie F, Luu RJ, Gaibler RB, Mulhern TJ, Miller CR, Zhang CJ, Rubio LD, Marr EE, Vijayakumar V, Gabriel EP, Lopez Quezada L, Zhang CH, Anderson KS, Jorgensen WL, Alladina JW, Medoff BD, Borenstein JT, Gard AL. A High-Throughput, High-Containment Human Primary Epithelial Airway Organ-on-Chip Platform for SARS-CoV-2 Therapeutic Screening. Cells 2023; 12:2639. [PMID: 37998374 PMCID: PMC10669988 DOI: 10.3390/cells12222639] [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: 08/20/2023] [Revised: 10/31/2023] [Accepted: 11/09/2023] [Indexed: 11/25/2023] Open
Abstract
COVID-19 emerged as a worldwide pandemic in early 2020, and while the rapid development of safe and efficacious vaccines stands as an extraordinary achievement, the identification of effective therapeutics has been less successful. This process has been limited in part by a lack of human-relevant preclinical models compatible with therapeutic screening on the native virus, which requires a high-containment environment. Here, we report SARS-CoV-2 infection and robust viral replication in PREDICT96-ALI, a high-throughput, human primary cell-based organ-on-chip platform. We evaluate unique infection kinetic profiles across lung tissue from three human donors by immunofluorescence, RT-qPCR, and plaque assays over a 6-day infection period. Enabled by the 96 devices/plate throughput of PREDICT96-ALI, we also investigate the efficacy of Remdesivir and MPro61 in a proof-of-concept antiviral study. Both compounds exhibit an antiviral effect against SARS-CoV-2 in the platform. This demonstration of SARS-CoV-2 infection and antiviral dosing in a high-throughput organ-on-chip platform presents a critical capability for disease modeling and therapeutic screening applications in a human physiology-relevant in vitro system.
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Affiliation(s)
- Christine R. Fisher
- Bioengineering Division, Draper, Cambridge, MA 02139, USA; (C.R.F.); (F.M.M.); (R.J.L.); (R.B.G.); (T.J.M.); (V.V.); (E.P.G.); (L.L.Q.); (J.T.B.)
| | - Felix Mba Medie
- Bioengineering Division, Draper, Cambridge, MA 02139, USA; (C.R.F.); (F.M.M.); (R.J.L.); (R.B.G.); (T.J.M.); (V.V.); (E.P.G.); (L.L.Q.); (J.T.B.)
| | - Rebeccah J. Luu
- Bioengineering Division, Draper, Cambridge, MA 02139, USA; (C.R.F.); (F.M.M.); (R.J.L.); (R.B.G.); (T.J.M.); (V.V.); (E.P.G.); (L.L.Q.); (J.T.B.)
| | - Robert B. Gaibler
- Bioengineering Division, Draper, Cambridge, MA 02139, USA; (C.R.F.); (F.M.M.); (R.J.L.); (R.B.G.); (T.J.M.); (V.V.); (E.P.G.); (L.L.Q.); (J.T.B.)
| | - Thomas J. Mulhern
- Bioengineering Division, Draper, Cambridge, MA 02139, USA; (C.R.F.); (F.M.M.); (R.J.L.); (R.B.G.); (T.J.M.); (V.V.); (E.P.G.); (L.L.Q.); (J.T.B.)
| | - Caitlin R. Miller
- Bioengineering Division, Draper, Cambridge, MA 02139, USA; (C.R.F.); (F.M.M.); (R.J.L.); (R.B.G.); (T.J.M.); (V.V.); (E.P.G.); (L.L.Q.); (J.T.B.)
| | - Chelsea J. Zhang
- Bioengineering Division, Draper, Cambridge, MA 02139, USA; (C.R.F.); (F.M.M.); (R.J.L.); (R.B.G.); (T.J.M.); (V.V.); (E.P.G.); (L.L.Q.); (J.T.B.)
| | - Logan D. Rubio
- Bioengineering Division, Draper, Cambridge, MA 02139, USA; (C.R.F.); (F.M.M.); (R.J.L.); (R.B.G.); (T.J.M.); (V.V.); (E.P.G.); (L.L.Q.); (J.T.B.)
| | - Elizabeth E. Marr
- Bioengineering Division, Draper, Cambridge, MA 02139, USA; (C.R.F.); (F.M.M.); (R.J.L.); (R.B.G.); (T.J.M.); (V.V.); (E.P.G.); (L.L.Q.); (J.T.B.)
| | - Vidhya Vijayakumar
- Bioengineering Division, Draper, Cambridge, MA 02139, USA; (C.R.F.); (F.M.M.); (R.J.L.); (R.B.G.); (T.J.M.); (V.V.); (E.P.G.); (L.L.Q.); (J.T.B.)
| | - Elizabeth P. Gabriel
- Bioengineering Division, Draper, Cambridge, MA 02139, USA; (C.R.F.); (F.M.M.); (R.J.L.); (R.B.G.); (T.J.M.); (V.V.); (E.P.G.); (L.L.Q.); (J.T.B.)
| | - Landys Lopez Quezada
- Bioengineering Division, Draper, Cambridge, MA 02139, USA; (C.R.F.); (F.M.M.); (R.J.L.); (R.B.G.); (T.J.M.); (V.V.); (E.P.G.); (L.L.Q.); (J.T.B.)
| | - Chun-Hui Zhang
- Department of Chemistry, Yale University, New Haven, CT 06520, USA (W.L.J.)
| | - Karen S. Anderson
- Department of Pharmacology, Yale University, New Haven, CT 06520, USA;
- Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, CT 06520, USA
| | | | - Jehan W. Alladina
- Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Boston, MA 02114, USA; (J.W.A.); (B.D.M.)
| | - Benjamin D. Medoff
- Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Boston, MA 02114, USA; (J.W.A.); (B.D.M.)
| | - Jeffrey T. Borenstein
- Bioengineering Division, Draper, Cambridge, MA 02139, USA; (C.R.F.); (F.M.M.); (R.J.L.); (R.B.G.); (T.J.M.); (V.V.); (E.P.G.); (L.L.Q.); (J.T.B.)
| | - Ashley L. Gard
- Bioengineering Division, Draper, Cambridge, MA 02139, USA; (C.R.F.); (F.M.M.); (R.J.L.); (R.B.G.); (T.J.M.); (V.V.); (E.P.G.); (L.L.Q.); (J.T.B.)
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Lee JS, Dittmar M, Miller J, Li M, Ayyanathan K, Ferretti M, Hulahan J, Whig K, Etwebi Z, Griesman T, Schultz DC, Cherry S. Evolutionary arms race between SARS-CoV-2 and interferon signaling via dynamic interaction with autophagy. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.11.13.566859. [PMID: 38014114 PMCID: PMC10680587 DOI: 10.1101/2023.11.13.566859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
SARS-CoV-2 emerged, and is evolving to efficiently infect humans worldwide. SARS-CoV-2 evades early innate recognition, interferon signaling activated only in bystander cells. This balance of innate activation and viral evasion has important consequences, but the pathways involved are incompletely understood. Here we find that autophagy genes regulate innate immune signaling, impacting the basal set point of interferons, and thus permissivity to infection. Mechanistically, autophagy genes negatively regulate MAVS, and this low basal level of MAVS is efficiently antagonized by SARS-CoV-2 ORF9b, blocking interferon activation in infected cells. However, upon loss of autophagy increased MAVS overcomes ORF9b-mediated antagonism suppressing infection. This has led to the evolution of SARS-CoV-2 variants to express higher levels of ORF9b, allowing SARS-CoV-2 to replicate under conditions of increased MAVS signaling. Altogether, we find a critical role of autophagy in the regulation of innate immunity and uncover an evolutionary trajectory of SARS-CoV-2 ORF9b to overcome host defenses.
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34
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Otter CJ, Bracci N, Parenti NA, Ye C, Tan LH, Asthana A, Pfannenstiel JJ, Jackson N, Fehr AR, Silverman RH, Cohen NA, Martinez-Sobrido L, Weiss SR. SARS-CoV-2 nsp15 endoribonuclease antagonizes dsRNA-induced antiviral signaling. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.11.15.566945. [PMID: 38014074 PMCID: PMC10680701 DOI: 10.1101/2023.11.15.566945] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
Severe acute respiratory syndrome coronavirus (SARS-CoV)-2 has caused millions of deaths since emerging in 2019. Innate immune antagonism by lethal CoVs such as SARS-CoV-2 is crucial for optimal replication and pathogenesis. The conserved nonstructural protein 15 (nsp15) endoribonuclease (EndoU) limits activation of double-stranded (ds)RNA-induced pathways, including interferon (IFN) signaling, protein kinase R (PKR), and oligoadenylate synthetase/ribonuclease L (OAS/RNase L) during diverse CoV infections including murine coronavirus and Middle East respiratory syndrome (MERS)-CoV. To determine how nsp15 functions during SARS-CoV-2 infection, we constructed a mutant recombinant SARS-CoV-2 (nsp15mut) expressing a catalytically inactive nsp15. Infection with SARS-CoV-2 nsp15 mut led to increased activation of the IFN signaling and PKR pathways in lung-derived epithelial cell lines and primary nasal epithelial air-liquid interface (ALI) cultures as well as significant attenuation of replication in ALI cultures compared to wild-type (WT) virus. This replication defect was rescued when IFN signaling was inhibited with the Janus activated kinase (JAK) inhibitor ruxolitinib. Finally, to assess nsp15 function in the context of minimal (MERS-CoV) or moderate (SARS-CoV-2) innate immune induction, we compared infections with SARS-CoV-2 nsp15mut and previously described MERS-CoV nsp15 mutants. Inactivation of nsp15 had a more dramatic impact on MERS-CoV replication than SARS-CoV-2 in both Calu3 cells and nasal ALI cultures suggesting that SARS-CoV-2 can better tolerate innate immune responses. Taken together, SARS-CoV-2 nsp15 is a potent inhibitor of dsRNA-induced innate immune response and its antagonism of IFN signaling is necessary for optimal viral replication in primary nasal ALI culture.
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Affiliation(s)
- Clayton J Otter
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Penn Center for Research on Coronaviruses and Other Emerging Pathogens, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Nicole Bracci
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Penn Center for Research on Coronaviruses and Other Emerging Pathogens, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Nicholas A Parenti
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Penn Center for Research on Coronaviruses and Other Emerging Pathogens, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Chengjin Ye
- Texas Biomedical Research Institute, San Antonio, TX, USA
| | - Li Hui Tan
- Department of Otorhinolaryngology-Head and Neck Surgery, Division of Rhinology, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA, USA
| | - Abhishek Asthana
- Department of Cancer Biology, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | | | | | - Anthony R Fehr
- Department of Molecular Biosciences, University of Kansas, Lawrence, KS, USA
| | - Robert H Silverman
- Department of Cancer Biology, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Noam A Cohen
- Department of Otorhinolaryngology-Head and Neck Surgery, Division of Rhinology, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA, USA
- Corporal Michael J. Crescenz VA Medical Center, Philadelphia, PA, USA
| | | | - Susan R Weiss
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Penn Center for Research on Coronaviruses and Other Emerging Pathogens, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
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Petcharat K, Munkong N, Thongboontho R, Chartarrayawadee W, Thim-Uam A. Synergistic Effects of Azithromycin and STING Agonist Promote IFN-I Production by Enhancing the Activation of STING-TBK1 Signaling. J Exp Pharmacol 2023; 15:407-421. [PMID: 37933302 PMCID: PMC10625772 DOI: 10.2147/jep.s433181] [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: 08/25/2023] [Accepted: 10/28/2023] [Indexed: 11/08/2023] Open
Abstract
Background Azithromycin (AZM) is a macrolide antibiotic that exhibits anti-inflammatory and anti-viral infection properties by enhancing type-I interferon (IFN-I) responses. The stimulator of interferon genes (STING) can directly induce IFN-I production. However, elevated IFN-I induces auto-immune phenotypes such as systemic lupus erythematosus (SLE). The effects of AZM and STING on the production of IFN-I are unclear. Objective Therefore, this study aims to evaluate the role of AZM and STING on IFN-I responses in macrophages. Methods RAW 264.7 macrophages were treated with AZM with and without a STING-agonist (DMXAA), and the maturation of macrophages was determined using flow cytometry. Gene expression and pro-inflammatory cytokines were analyzed using qPCR and ELISA, respectively. Moreover, protein expression was investigated using Western blot assays and immunofluorescence. Results Our results show that AZM significantly induced M1 phenotypes, promoting surface molecule expansion of CD80 and MHC-II and production of IL-6 and TNF-α cytokines on DMXAA-stimulated macrophages. Furthermore, we found that AZM-increased mRNA levels of interferon-stimulated genes (ISGs) could be due to the high expression of STNG-TBK1 signaling in the presence of DMXAA. Conclusion Our data suggest that AZM enhancement of IFN-I responses was STING dependent in DMXAA-stimulated macrophages. These data underline a novel approach to AZM action-mediated STING-TBK1 signaling for regulating IFN-I responses and may further augment the scientific basis and potential use of AZM in clinical applications.
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Affiliation(s)
- Kanoktip Petcharat
- Division of Biochemistry, School of Medical Sciences, University of Phayao, Phayao, 56000, Thailand
| | - Narongsuk Munkong
- Department of Pathology, School of Medicine, University of Phayao, Phayao, 56000, Thailand
| | - Rungthip Thongboontho
- Division of Biochemistry, School of Medical Sciences, University of Phayao, Phayao, 56000, Thailand
| | | | - Arthid Thim-Uam
- Division of Biochemistry, School of Medical Sciences, University of Phayao, Phayao, 56000, Thailand
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36
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Lin H, Zhang R, Xiang H, Lin X, Huang X, Chen J, Zhou L, Zhang Z, Li Y. A Non-Nucleotide STING Agonist MSA-2 Synergized with Manganese in Enhancing STING Activation to Elicit Potent Anti-RNA Virus Activity in the Cells. Viruses 2023; 15:2138. [PMID: 38005816 PMCID: PMC10675287 DOI: 10.3390/v15112138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 10/15/2023] [Accepted: 10/18/2023] [Indexed: 11/26/2023] Open
Abstract
Both Manganese (Mn2+) and MSA-2 can activate the downstream signal pathway through stimulator of interferon genes (STING) and induce the expression of type I interferon, which is important for hosts to protect against DNA viruses. However, its effect on RNA viruses remains unknown. In this study, we used Seneca Valley virus (SVV) as a model RNA virus to investigate the inhibitory effects of Mn2+ and MSA-2 on the virus replication in the porcine cells (PK-15 cells). The results showed that both MSA-2 and Mn2+ were able to inhibit the SVV replication in PK-15 cells. The combination of MAS-2 and Mn2+ could confer better protection against SVV. Further studies showed that MSA-2 and Mn2+ could activate TBK1, IRF3 and NFκB through STING and induce the expression of IFN-β, IL-6 and TNF-α. The present study confirmed that MSA-2 synergized with Mn2+ in STING activation to generate a better antiviral effect in vitro, which would be helpful for the further development of effective antiviral drugs in the future.
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Affiliation(s)
| | | | | | | | | | | | | | - Zhidong Zhang
- Key Laboratory of Animal Medicine of Sichuan Province, College of Animal and Veterinary Sciences, Southwest Minzu University, Chengdu 610093, China
| | - Yanmin Li
- Key Laboratory of Animal Medicine of Sichuan Province, College of Animal and Veterinary Sciences, Southwest Minzu University, Chengdu 610093, China
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Jordan R, Ford-Scheimer SL, Alarcon RM, Atala A, Borenstein JT, Brimacombe KR, Cherry S, Clevers H, Davis MI, Funnell SGP, Gehrke L, Griffith LG, Grossman AC, Hartung T, Ingber DE, Kleinstreuer NC, Kuo CJ, Lee EM, Mummery CL, Pickett TE, Ramani S, Rosado-Olivieri EA, Struble EB, Wan Z, Williams MS, Hall MD, Ferrer M, Markossian S. Report of the Assay Guidance Workshop on 3-Dimensional Tissue Models for Antiviral Drug Development. J Infect Dis 2023; 228:S337-S354. [PMID: 37669225 PMCID: PMC10547463 DOI: 10.1093/infdis/jiad334] [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: 09/07/2023] Open
Abstract
The National Center for Advancing Translational Sciences (NCATS) Assay Guidance Manual (AGM) Workshop on 3D Tissue Models for Antiviral Drug Development, held virtually on 7-8 June 2022, provided comprehensive coverage of critical concepts intended to help scientists establish robust, reproducible, and scalable 3D tissue models to study viruses with pandemic potential. This workshop was organized by NCATS, the National Institute of Allergy and Infectious Diseases, and the Bill and Melinda Gates Foundation. During the workshop, scientific experts from academia, industry, and government provided an overview of 3D tissue models' utility and limitations, use of existing 3D tissue models for antiviral drug development, practical advice, best practices, and case studies about the application of available 3D tissue models to infectious disease modeling. This report includes a summary of each workshop session as well as a discussion of perspectives and challenges related to the use of 3D tissues in antiviral drug discovery.
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Affiliation(s)
- Robert Jordan
- Bill and Melinda Gates Foundation, Seattle, Washington, USA
| | - Stephanie L Ford-Scheimer
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, Maryland, USA
| | - Rodolfo M Alarcon
- National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, USA
| | - Anthony Atala
- Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
| | | | - Kyle R Brimacombe
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, Maryland, USA
| | - Sara Cherry
- Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | | | - Mindy I Davis
- National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, USA
| | - Simon G P Funnell
- UK Health Security Agency, Salisbury, United Kingdom
- Quadram Institute Bioscience, Norwich, United Kingdom
| | - Lee Gehrke
- Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Linda G Griffith
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA
| | - Abigail C Grossman
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, Maryland, USA
| | - Thomas Hartung
- Department of Environmental Health and Engineering, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, USA
- Department of Molecular Microbiology and Immunology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, USA
| | - Donald E Ingber
- Harvard Medical School, Boston, Massachusetts, USA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, Massachusetts, USA
- Harvard School of Engineering and Applied Sciences, Cambridge, Massachusetts, USA
- Boston Children's Hospital, Boston, Massachusetts, USA
| | - Nicole C Kleinstreuer
- National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle, North Carolina, USA
| | - Calvin J Kuo
- Department of Medicine, Division of Hematology, Stanford University School of Medicine, Stanford, California, USA
| | - Emily M Lee
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, Maryland, USA
| | | | - Thames E Pickett
- National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, USA
| | - Sasirekha Ramani
- Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas, USA
| | | | - Evi B Struble
- US Food and Drug Administration, Silver Spring, Maryland, USA
| | - Zhengpeng Wan
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA
| | - Mark S Williams
- National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, USA
| | - Matthew D Hall
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, Maryland, USA
| | - Marc Ferrer
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, Maryland, USA
| | - Sarine Markossian
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, Maryland, USA
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38
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King CR, Liu Y, Amato KA, Schaack GA, Mickelson C, Sanders AE, Hu T, Gupta S, Langlois RA, Smith JA, Mehle A. Pathogen-driven CRISPR screens identify TREX1 as a regulator of DNA self-sensing during influenza virus infection. Cell Host Microbe 2023; 31:1552-1567.e8. [PMID: 37652009 PMCID: PMC10528757 DOI: 10.1016/j.chom.2023.08.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 06/26/2023] [Accepted: 08/03/2023] [Indexed: 09/02/2023]
Abstract
Host:pathogen interactions dictate the outcome of infection, yet the limitations of current approaches leave large regions of this interface unexplored. Here, we develop a novel fitness-based screen that queries factors important during the middle to late stages of infection. This is achieved by engineering influenza virus to direct the screen by programming dCas9 to modulate host gene expression. Our genome-wide screen for pro-viral factors identifies the cytoplasmic DNA exonuclease TREX1. TREX1 degrades cytoplasmic DNA to prevent inappropriate innate immune activation by self-DNA. We reveal that this same process aids influenza virus replication. Infection triggers release of mitochondrial DNA into the cytoplasm, activating antiviral signaling via cGAS and STING. TREX1 metabolizes the DNA, preventing its sensing. Collectively, these data show that self-DNA is deployed to amplify innate immunity, a process tempered by TREX1. Moreover, they demonstrate the power and generality of pathogen-driven fitness-based screens to pinpoint key host regulators of infection.
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Affiliation(s)
- Cason R King
- Department of Medical Microbiology & Immunology, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Yiping Liu
- Department of Pediatrics, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Katherine A Amato
- Department of Medical Microbiology & Immunology, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Grace A Schaack
- Department of Medical Microbiology & Immunology, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Clayton Mickelson
- Department of Microbiology and Immunology and the Center for Immunology, University of Minnesota, Minneapolis, MN, USA
| | - Autumn E Sanders
- Department of Microbiology and Immunology and the Center for Immunology, University of Minnesota, Minneapolis, MN, USA
| | - Tony Hu
- Department of Pediatrics, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Srishti Gupta
- Department of Medical Microbiology & Immunology, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Ryan A Langlois
- Department of Microbiology and Immunology and the Center for Immunology, University of Minnesota, Minneapolis, MN, USA
| | - Judith A Smith
- Department of Medical Microbiology & Immunology, University of Wisconsin-Madison, Madison, WI 53706, USA; Department of Pediatrics, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Andrew Mehle
- Department of Medical Microbiology & Immunology, University of Wisconsin-Madison, Madison, WI 53706, USA.
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39
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Hilligan KL, Namasivayam S, Sher A. BCG mediated protection of the lung against experimental SARS-CoV-2 infection. Front Immunol 2023; 14:1232764. [PMID: 37744331 PMCID: PMC10514903 DOI: 10.3389/fimmu.2023.1232764] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 08/18/2023] [Indexed: 09/26/2023] Open
Abstract
The observation of reduced COVID-19 incidence and severity in populations receiving neonatal intradermal BCG vaccination vaccine raised the question of whether BCG can induce non-specific protection against the SARS-CoV-2 (SCV2) virus. Subsequent epidemiologic studies and clinical trials have largely failed to support this hypothesis. Furthermore, in small animal model studies all investigators have failed to observe resistance to viral challenge in response to BCG immunization by the conventional and clinically acceptable intradermal or subcutaneous routes. Nevertheless, BCG administered by the intravenous (IV) route has been shown to strongly protect both hamsters and mice against SCV2 infection and disease. In this Perspective, we review the current data on the effects of BCG vaccination on resistance to COVID-19 as well as summarize recent work in rodent models on the mechanisms by which IV administered BCG promotes resistance to the virus and discuss the translational implications of these findings.
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Affiliation(s)
- Kerry L. Hilligan
- Immunobiology Section, Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, Bethesda, MD, United States
- Immune Cell Biology Programme, Malaghan Institute of Medical Research, Wellington, New Zealand
| | - Sivaranjani Namasivayam
- Immunobiology Section, Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, Bethesda, MD, United States
| | - Alan Sher
- Immunobiology Section, Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, Bethesda, MD, United States
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40
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Guo M, Xiong M, Peng J, Guan T, Su H, Huang Y, Yang CG, Li Y, Boraschi D, Pillaiyar T, Wang G, Yi C, Xu Y, Chen C. Multi-omics for COVID-19: driving development of therapeutics and vaccines. Natl Sci Rev 2023; 10:nwad161. [PMID: 37936830 PMCID: PMC10627145 DOI: 10.1093/nsr/nwad161] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 05/01/2023] [Accepted: 05/03/2023] [Indexed: 11/09/2023] Open
Abstract
The ongoing COVID-19 pandemic caused by SARS-CoV-2 has raised global concern for public health and economy. The development of therapeutics and vaccines to combat this virus is continuously progressing. Multi-omics approaches, including genomics, transcriptomics, proteomics, metabolomics, epigenomics and metallomics, have helped understand the structural and molecular features of the virus, thereby assisting in the design of potential therapeutics and accelerating vaccine development for COVID-19. Here, we provide an up-to-date overview of the latest applications of multi-omics technologies in strategies addressing COVID-19, in order to provide suggestions towards the development of highly effective knowledge-based therapeutics and vaccines.
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Affiliation(s)
- Mengyu Guo
- CAS Key Laboratory of Biomedical Effects of Nanomaterials and Nanosafety, and CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing 100190, China
| | - Muya Xiong
- 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
| | - Jinying Peng
- State Key Laboratory of Protein and Plant Gene Research, School of Life Sciences, Peking University, Beijing 100871, China
| | - Tong Guan
- CAS Key Laboratory of Biomedical Effects of Nanomaterials and Nanosafety, and CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Haixia Su
- 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
| | - Yanyi Huang
- Biomedical Pioneering Innovation Centre, Peking University, Beijing 100871, China
- Institute for Cell Analysis, Shenzhen Bay Laboratory, Shenzhen 528107, China
- Peking-Tsinghua Center for Life Sciences, Peking University, Beijing 100871, China
- College of Chemistry and Molecular Engineering, Beijing National Laboratory for Molecular Sciences, Peking University, Beijing 100871, China
| | - Cai-Guang Yang
- State Key Laboratory of Drug Research, Centre for Chemical Biology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yang Li
- Laboratory of Immunology and Nanomedicine, and China-Italy Joint Laboratory of Pharmacobiotechnology for Medical Immunomodulation, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Diana Boraschi
- Laboratory of Immunology and Nanomedicine, and China-Italy Joint Laboratory of Pharmacobiotechnology for Medical Immunomodulation, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
- Institute of Biochemistry and Cell Biology, National Research Council, Napoli 80131, Italy
| | - Thanigaimalai Pillaiyar
- Institute of Pharmacy, Pharmaceutical/Medicinal Chemistry and Tuebingen Center for Academic Drug Discovery, Eberhard Karls University Tübingen, Tübingen 72076, Germany
| | - Guanbo Wang
- Biomedical Pioneering Innovation Centre, Peking University, Beijing 100871, China
- Institute for Cell Analysis, Shenzhen Bay Laboratory, Shenzhen 528107, China
| | - Chengqi Yi
- State Key Laboratory of Protein and Plant Gene Research, School of Life Sciences, Peking University, Beijing 100871, China
- Department of Chemical Biology and Synthetic and Functional Biomolecules Center, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
- Peking-Tsinghua Center for Life Sciences, Peking University, Beijing 100871, China
| | - Yechun Xu
- 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
| | - Chunying Chen
- CAS Key Laboratory of Biomedical Effects of Nanomaterials and Nanosafety, and CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- GBA National Institute for Nanotechnology Innovation, Guangzhou 510700, China
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Li M, Ayyanathan K, Dittmar M, Miller J, Tapescu I, Lee JS, McGrath ME, Xue Y, Vashee S, Schultz DC, Frieman MB, Cherry S. SARS-CoV-2 ORF6 protein does not antagonize interferon signaling in respiratory epithelial Calu-3 cells during infection. mBio 2023; 14:e0119423. [PMID: 37377442 PMCID: PMC10470815 DOI: 10.1128/mbio.01194-23] [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: 05/11/2023] [Accepted: 05/16/2023] [Indexed: 06/29/2023] Open
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has caused millions of deaths, posing a substantial threat to global public health. Viruses evolve different strategies to antagonize or evade host immune responses. While ectopic expression of SARS-CoV-2 accessory protein ORF6 blocks interferon (IFN) production and downstream IFN signaling, the role of ORF6 in IFN signaling during bona fide viral infection of respiratory cells is unclear. By comparing wild-type (WT) and ORF6-deleted (ΔORF6) SARS-CoV-2 infection and IFN signaling in respiratory cells, we found that ΔORF6 SARS-CoV-2 replicates more efficiently than WT virus and, thus, stimulates more robust immune signaling. Loss of ORF6 does not alter innate signaling in infected cells: both WT and ΔORF6 virus induce delayed IFN responses only in bystander cells. Moreover, expression of ORF6 in the context of SARS-CoV-2 infection has no effect on Sendai virus-stimulated IFN induction: robust translocation of IRF3 is observed in both SARS-CoV-2 infected and bystander cells. Furthermore, IFN pretreatment potently blocks WT and ΔORF6 virus replication similarly, and both viruses fail to suppress the induction of interferon-stimulated genes (ISGs) upon IFN-β treatment. However, upon treatment with IFN-β, only bystander cells induce STAT1 translocation during infection with WT virus, whereas ΔORF6 virus-infected cells now show translocation. This suggests that under conditions of high IFN activation, ORF6 can attenuate STAT1 activation. These data provide evidence that ORF6 is not sufficient to antagonize IFN production or IFN signaling in SARS-CoV-2-infected respiratory cells but may impact the efficacy of therapeutics that stimulate innate immune pathways. IMPORTANCE Previous studies identified several SARS-CoV-2 proteins, including ORF6, that antagonize host innate immune responses in the context of overexpression of viral proteins in non-respiratory cells. We set out to determine the role of ORF6 in IFN responses during SARS-CoV-2 infection of respiratory cells. Using a deletion strain, we observed no reduction of infection and no difference in evasion of IFN signaling, with responses limited to bystander cells. Moreover, stimulation of Sendai virus-induced IFN production or IFN-β-stimulated ISG expression was comparable between SARS-CoV-2 virus and SARS-CoV-2 lacking ORF6 virus, suggesting that ORF6 is not sufficient to counteract IFN induction or IFN signaling during viral infection.
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Affiliation(s)
- Minghua Li
- Department of Pathology, University of Texas Medical Branch, Galveston, Texas, USA
| | - Kasirajan Ayyanathan
- Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Mark Dittmar
- Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Jesse Miller
- Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Iulia Tapescu
- Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Jae Seung Lee
- Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Marisa E. McGrath
- Department of Microbiology and Immunology, Center for Pathogen Research, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Yong Xue
- J Craig Venter Institute, Rockville, Maryland, USA
| | | | - David C. Schultz
- Department of Biochemistry and Biophysics, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Matthew B. Frieman
- Department of Microbiology and Immunology, Center for Pathogen Research, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Sara Cherry
- Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
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Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), as the causative agent of the recent COVID-19 pandemic, continues representing one of the main health concerns worldwide. Autophagy, in addition to its role in cellular homeostasis and metabolism, plays an important part for the host antiviral immunity. However, viruses including SARS-CoV-2 have evolved diverse mechanisms to not only overcome autophagy's antiviral pressure but also manipulate its machinery in order to enhance viral replication and propagation. Here, we discuss our current knowledge on the impact that autophagy exerts on SARS-CoV-2 replication, as well as the different counteracting measures that this virus has developed to manipulate autophagy's complex machinery. Some of the elements regarding this interplay may become future therapeutic targets in the fight against SARS-CoV-2.
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Affiliation(s)
- Hao Zhou
- Department of Microbiology and Immunology, College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Zhiqiang Hu
- Shandong New Hope Liuhe Agriculture and Animal Husbandry Technology Co., Ltd, Dezhou, China
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43
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Jin X, Wang W, Zhao X, Jiang W, Shao Q, Chen Z, Huang C. The battle between the innate immune cGAS-STING signaling pathway and human herpesvirus infection. Front Immunol 2023; 14:1235590. [PMID: 37600809 PMCID: PMC10433641 DOI: 10.3389/fimmu.2023.1235590] [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: 06/06/2023] [Accepted: 07/21/2023] [Indexed: 08/22/2023] Open
Abstract
The incidence of human herpesvirus (HHVs) is gradually increasing and has affected a wide range of population. HHVs can result in serious consequences such as tumors, neonatal malformations, sexually transmitted diseases, as well as pose an immense threat to the human health. The cGAS-STING pathway is one of the innate immune pattern-recognition receptors discovered recently. This article discusses the role of the cGAS-STING pathway in human diseases, especially in human herpesvirus infections, as well as highlights how these viruses act on this pathway to evade the host immunity. Moreover, the author provides a comprehensive overview of modulators of the cGAS-STING pathway. By focusing on the small molecule compounds based on the cGAS-STING pathway, novel targets and concepts have been proposed for the development of antiviral drugs and vaccines, while also providing a reference for the investigation of disease models related to the cGAS-STING pathway. HHV is a double-stranded DNA virus that can trigger the activation of intracellular DNA sensor cGAS, after which the host cells initiate a cascade of reactions that culminate in the secretion of type I interferon to restrict the viral replication. Meanwhile, the viral protein can interact with various molecules in the cGAS-STING pathway. Viruses can evade immune surveillance and maintain their replication by inhibiting the enzyme activity of cGAS and reducing the phosphorylation levels of STING, TBK1 and IRF3 and suppressing the interferon gene activation. Activators and inhibitors of the cGAS-STING pathway have yielded numerous promising research findings in vitro and in vivo pertaining to cGAS/STING-related disease models. However, there remains a dearth of small molecule modulators that have been successfully translated into clinical applications, which serves as a hurdle to be overcome in the future.
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Affiliation(s)
- Ximing Jin
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Wenjia Wang
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xinwei Zhao
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Wenhua Jiang
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qingqing Shao
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhuo Chen
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Cong Huang
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Marino G, Zhang B, Schmitz A, Schwensen HV, Reinert LS, Paludan SR. STING is redundant for host defense and pathology of COVID-19-like disease in mice. Life Sci Alliance 2023; 6:e202301997. [PMID: 37277149 PMCID: PMC10241217 DOI: 10.26508/lsa.202301997] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 05/25/2023] [Accepted: 05/25/2023] [Indexed: 06/07/2023] Open
Abstract
Critical COVID-19 is characterized by lack of early type I interferon-mediated host defense and subsequent hyper-inflammation in the lungs. Aberrant activation of macrophages and neutrophils has been reported to lead to excessive activation of innate immunological pathways. It has recently been suggested that the DNA-sensing cGAS-STING pathway drives pathology in the SARS-CoV-2-infected lungs, but mechanistic understanding from in vivo models is needed. Here, we tested whether STING is involved in COVID-19-like disease using the K18-hACE2 mouse model. We report that disease development after SARS-CoV-2 infection is unaltered in STING-deficient K18-hACE2 mice. In agreement with this, STING deficiency did not affect control of viral replication or production of interferons and inflammatory cytokines. This was accompanied by comparable profiles of infiltrating immune cells into the lungs of infected mice. These data do not support a role for STING in COVID-19 pathology and calls for further investigation into the pathogenesis of critical COVID-19.
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Affiliation(s)
- Giorgia Marino
- Department of Biomedicine, Aarhus University, Aarhus, Denmark
| | - Baocun Zhang
- Department of Biomedicine, Aarhus University, Aarhus, Denmark
| | | | - Hanna Vf Schwensen
- Department of Histopathology, Aarhus University Hospital, Aarhus, Denmark
| | - Line S Reinert
- Department of Biomedicine, Aarhus University, Aarhus, Denmark
| | - Søren R Paludan
- Department of Biomedicine, Aarhus University, Aarhus, Denmark
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Samuel CE. Interferon at the crossroads of SARS-CoV-2 infection and COVID-19 disease. J Biol Chem 2023; 299:104960. [PMID: 37364688 PMCID: PMC10290182 DOI: 10.1016/j.jbc.2023.104960] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 06/17/2023] [Accepted: 06/20/2023] [Indexed: 06/28/2023] Open
Abstract
A novel coronavirus now known as SARS-CoV-2 emerged in late 2019, possibly following a zoonotic crossover from a coronavirus present in bats. This virus was identified as the pathogen responsible for the severe respiratory disease, coronavirus disease-19 (COVID-19), which as of May 2023, has killed an estimated 6.9 million people globally according to the World Health Organization. The interferon (IFN) response, a cornerstone of antiviral innate immunity, plays a key role in determining the outcome of infection by SARS-CoV-2. This review considers evidence that SARS-CoV-2 infection leads to IFN production; that virus replication is sensitive to IFN antiviral action; molecular mechanisms by which the SARS-CoV-2 virus antagonizes IFN action; and how genetic variability of SARS-CoV-2 and the human host affects the IFN response at the level of IFN production or action or both. Taken together, the current understanding suggests that deficiency of an effective IFN response is an important determinant underlying some cases of critical COVID-19 disease and that IFNλ and IFNα/β have potential as therapeutics for the treatment of SARS-CoV-2 infection.
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Affiliation(s)
- Charles E Samuel
- Department of Molecular, Cellular and Developmental Biology, University of California, Santa Barbara, California, USA.
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Gao KM, Chiang K, Korkmaz FT, Janardhan HP, Trivedi CM, Quinton LJ, Gingras S, Fitzgerald KA, Marshak-Rothstein A. Expression of a STING Gain-of-function Mutation in Endothelial Cells Initiates Lymphocytic Infiltration of the Lungs. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.07.27.550897. [PMID: 37547024 PMCID: PMC10402179 DOI: 10.1101/2023.07.27.550897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/08/2023]
Abstract
Patients afflicted with STING gain-of-function mutations frequently present with debilitating interstitial lung disease ( ILD ) that is recapitulated in mice expressing the STING V154M mutation ( VM ). Prior radiation chimera studies revealed an unexpected and critical role for non-hematopoietic cells in the initiation of ILD. To identify STING-expressing non-hematopoietic cell types relevant to ILD, we generated a conditional knock-in ( CKI ) model in which expression of the VM allele was directed to hematopoietic cells, fibroblasts, epithelial cells, or endothelial cells. Only endothelial cell-targeted expression of the mutant allele resulted in the recruitment of immune cells to the lung 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 SAVI patients or patients afflicted with other ILD-related disorders. Summary Patients with STING gain-of-function (GOF) mutations develop life-threatening lung autoinflammation. In this study, Gao et al. utilize a mouse model of conditional STING GOF to demonstrate a role for endothelial STING GOF in initiating immune cell recruitment into lung tissues of SAVI mice.
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Tang Z, Zhao J, Li Y, Tomer S, Selvaraju M, Tien N, Sun D, Johnson DK, Zhen A, Li P, Wang J. Structural and Biological Evaluations of a Non-Nucleoside STING Agonist Specific for Human STING A230 Variants. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.07.02.547363. [PMID: 37425806 PMCID: PMC10327114 DOI: 10.1101/2023.07.02.547363] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/11/2023]
Abstract
Previously we identified a non-nucleotide tricyclic agonist BDW568 that activates human STING (stimulator of interferon genes) gene variant containing A230 in a human monocyte cell line (THP-1). STINGA230 alleles, including HAQ and AQ, are less common STING variants in human population. To further characterize the mechanism of BDW568, we obtained the crystal structure of the C-terminal domain of STINGA230 complexed with BDW-OH (active metabolite of BDW568) at 1.95 Å resolution and found the planar tricyclic structure in BDW-OH dimerizes in the STING binding pocket and mimics the two nucleobases of the endogenous STING ligand 2',3'-cGAMP. This binding mode also resembles a known synthetic ligand of human STING, MSA-2, but not another tricyclic mouse STING agonist DMXAA. Structure-activity-relationship (SAR) studies revealed that all three heterocycles in BDW568 and the S-acetate side chain are critical for retaining the compound's activity. BDW568 could robustly activate the STING pathway in human primary peripheral blood mononuclear cells (PBMCs) with STINGA230 genotype from healthy individuals. We also observed BDW568 could robustly activate type I interferon signaling in purified human primary macrophages that were transduced with lentivirus expressing STINGA230, suggesting its potential use to selectively activate genetically engineered macrophages in macrophage-based approaches, such as chimeric antigen receptor (CAR)-macrophage immunotherapies.
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Affiliation(s)
- Zhichao Tang
- Department of Medicinal Chemistry, University of Kansas, Lawrence, Kansas 66047, United States
| | - Junxing Zhao
- Department of Medicinal Chemistry, University of Kansas, Lawrence, Kansas 66047, United States
| | - Ying Li
- Department of Biochemistry and Biophysics, Texas A&M University, College Station, Texas 77843, United States
| | - Shallu Tomer
- Division of Hematology/Oncology, Department of Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California 90095, United States
| | - Manikandan Selvaraju
- Department of Medicinal Chemistry, University of Kansas, Lawrence, Kansas 66047, United States
| | - Nicholas Tien
- Division of Hematology/Oncology, Department of Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California 90095, United States
| | - Diyun Sun
- Department of Biochemistry and Biophysics, Texas A&M University, College Station, Texas 77843, United States
| | - David K. Johnson
- Computation Chemical Biology Core, and Molecular Graphics and Modeling Laboratory, University of Kansas, Lawrence, Kansas 66047, United States
| | - Anjie Zhen
- Division of Hematology/Oncology, Department of Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California 90095, United States
| | - Pingwei Li
- Department of Biochemistry and Biophysics, Texas A&M University, College Station, Texas 77843, United States
| | - Jingxin Wang
- Department of Medicinal Chemistry, University of Kansas, Lawrence, Kansas 66047, United States
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Sadhu S, Dalal R, Dandotiya J, Binayke A, Singh V, Tripathy MR, Das V, Goswami S, Kumar S, Rizvi ZA, Awasthi A. IL-9 aggravates SARS-CoV-2 infection and exacerbates associated airway inflammation. Nat Commun 2023; 14:4060. [PMID: 37429848 DOI: 10.1038/s41467-023-39815-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 06/30/2023] [Indexed: 07/12/2023] Open
Abstract
SARS-CoV-2 infection is known for causing broncho-alveolar inflammation. Interleukin 9 (IL-9) induces airway inflammation and bronchial hyper responsiveness in respiratory viral illnesses and allergic inflammation, however, IL-9 has not been assigned a pathologic role in COVID-19. Here we show, in a K18-hACE2 transgenic (ACE2.Tg) mouse model, that IL-9 contributes to and exacerbates viral spread and airway inflammation caused by SARS-CoV-2 infection. ACE2.Tg mice with CD4+ T cell-specific deficiency of the transcription factor Forkhead Box Protein O1 (Foxo1) produce significantly less IL-9 upon SARS-CoV-2 infection than the wild type controls and they are resistant to the severe inflammatory disease that characterises the control mice. Exogenous IL-9 increases airway inflammation in Foxo1-deficient mice, while IL-9 blockade reduces and suppresses airway inflammation in SARS-CoV-2 infection, providing further evidence for a Foxo1-Il-9 mediated Th cell-specific pathway playing a role in COVID-19. Collectively, our study provides mechanistic insight into an important inflammatory pathway in SARS-CoV-2 infection, and thus represents proof of principle for the development of host-directed therapeutics to mitigate disease severity.
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Affiliation(s)
- Srikanth Sadhu
- Centre for Immunobiology and Immunotherapy, Translational Health Science and Technology Institute, NCR-Biotech Science Cluster, 3rd Milestone, Faridabad, 121 001, Haryana, India
- Immunology-Core Laboratory, Translational Health Science and Technology Institute, NCR-Biotech Science Cluster, 3rd Milestone, Faridabad, 121 001, Haryana, India
| | - Rajdeep Dalal
- Centre for Immunobiology and Immunotherapy, Translational Health Science and Technology Institute, NCR-Biotech Science Cluster, 3rd Milestone, Faridabad, 121 001, Haryana, India
| | - Jyotsna Dandotiya
- Centre for Immunobiology and Immunotherapy, Translational Health Science and Technology Institute, NCR-Biotech Science Cluster, 3rd Milestone, Faridabad, 121 001, Haryana, India
| | - Akshay Binayke
- Centre for Immunobiology and Immunotherapy, Translational Health Science and Technology Institute, NCR-Biotech Science Cluster, 3rd Milestone, Faridabad, 121 001, Haryana, India
| | - Virendra Singh
- Centre for Immunobiology and Immunotherapy, Translational Health Science and Technology Institute, NCR-Biotech Science Cluster, 3rd Milestone, Faridabad, 121 001, Haryana, India
| | - Manas Ranjan Tripathy
- Centre for Immunobiology and Immunotherapy, Translational Health Science and Technology Institute, NCR-Biotech Science Cluster, 3rd Milestone, Faridabad, 121 001, Haryana, India
- Immunology-Core Laboratory, Translational Health Science and Technology Institute, NCR-Biotech Science Cluster, 3rd Milestone, Faridabad, 121 001, Haryana, India
| | - Vinayaka Das
- Centre for Immunobiology and Immunotherapy, Translational Health Science and Technology Institute, NCR-Biotech Science Cluster, 3rd Milestone, Faridabad, 121 001, Haryana, India
| | - Sandeep Goswami
- Immunology-Core Laboratory, Translational Health Science and Technology Institute, NCR-Biotech Science Cluster, 3rd Milestone, Faridabad, 121 001, Haryana, India
| | - Shakti Kumar
- Centre for Human Microbiome and Anti-Microbial Resistance, Translational Health Science and Technology Institute, NCR-Biotech Science Cluster, 3rd Milestone, Faridabad-Gurgaon Expressway, Faridabad, 121001, Haryana, India
| | - Zaigham Abbas Rizvi
- Centre for Immunobiology and Immunotherapy, Translational Health Science and Technology Institute, NCR-Biotech Science Cluster, 3rd Milestone, Faridabad, 121 001, Haryana, India
- Immunology-Core Laboratory, Translational Health Science and Technology Institute, NCR-Biotech Science Cluster, 3rd Milestone, Faridabad, 121 001, Haryana, India
| | - Amit Awasthi
- Centre for Immunobiology and Immunotherapy, Translational Health Science and Technology Institute, NCR-Biotech Science Cluster, 3rd Milestone, Faridabad, 121 001, Haryana, India.
- Immunology-Core Laboratory, Translational Health Science and Technology Institute, NCR-Biotech Science Cluster, 3rd Milestone, Faridabad, 121 001, Haryana, India.
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49
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Chauvin SD, Stinson WA, Platt DJ, Poddar S, Miner JJ. Regulation of cGAS and STING signaling during inflammation and infection. J Biol Chem 2023; 299:104866. [PMID: 37247757 PMCID: PMC10316007 DOI: 10.1016/j.jbc.2023.104866] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 05/16/2023] [Accepted: 05/17/2023] [Indexed: 05/31/2023] Open
Abstract
Stimulator of interferon genes (STING) is a sensor of cyclic dinucleotides including cyclic GMP-AMP, which is produced by cyclic GMP-AMP synthase (cGAS) in response to cytosolic DNA. The cGAS-STING signaling pathway regulates both innate and adaptive immune responses, as well as fundamental cellular functions such as autophagy, senescence, and apoptosis. Mutations leading to constitutive activation of STING cause devastating human diseases. Thus, the cGAS-STING pathway is of great interest because of its role in diverse cellular processes and because of the potential therapeutic implications of targeting cGAS and STING. Here, we review molecular and cellular mechanisms of STING signaling, and we propose a framework for understanding the immunological and other cellular functions of STING in the context of disease.
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Affiliation(s)
- Samuel D Chauvin
- Departments of Medicine and Microbiology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - W Alexander Stinson
- Departments of Pathology and Immunology, Washington University School of Medicine, Saint Louis, Missouri, USA
| | - Derek J Platt
- Department Molecular Microbiology, Washington University School of Medicine, Saint Louis, Missouri, USA
| | - Subhajit Poddar
- Departments of Medicine and Microbiology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - Jonathan J Miner
- Departments of Medicine and Microbiology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA; Departments of Pathology and Immunology, Washington University School of Medicine, Saint Louis, Missouri, USA; Department Molecular Microbiology, Washington University School of Medicine, Saint Louis, Missouri, USA; Department of Medicine, Washington University School of Medicine, Saint Louis, Missouri, USA.
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50
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Zhao M, Zhang M, Yang Z, Zhou Z, Huang J, Zhao B. Role of E3 ubiquitin ligases and deubiquitinating enzymes in SARS-CoV-2 infection. Front Cell Infect Microbiol 2023; 13:1217383. [PMID: 37360529 PMCID: PMC10288995 DOI: 10.3389/fcimb.2023.1217383] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Accepted: 05/29/2023] [Indexed: 06/28/2023] Open
Abstract
Ever since its emergence in 2019, COVID-19 has rapidly disseminated worldwide, engendering a pervasive pandemic that has profoundly impacted healthcare systems and the socio-economic milieu. A plethora of studies has been conducted targeting its pathogenic virus, SARS-CoV-2, to find ways to combat COVID-19. The ubiquitin-proteasome system (UPS) is widely recognized as a crucial mechanism that regulates human biological activities by maintaining protein homeostasis. Within the UPS, the ubiquitination and deubiquitination, two reversible modifications, of substrate proteins have been extensively studied and implicated in the pathogenesis of SARS-CoV-2. The regulation of E3 ubiquitin ligases and DUBs(Deubiquitinating enzymes), which are key enzymes involved in the two modification processes, determines the fate of substrate proteins. Proteins associated with the pathogenesis of SARS-CoV-2 may be retained, degraded, or even activated, thus affecting the ultimate outcome of the confrontation between SARS-CoV-2 and the host. In other words, the clash between SARS-CoV-2 and the host can be viewed as a battle for dominance over E3 ubiquitin ligases and DUBs, from the standpoint of ubiquitin modification regulation. This review primarily aims to clarify the mechanisms by which the virus utilizes host E3 ubiquitin ligases and DUBs, along with its own viral proteins that have similar enzyme activities, to facilitate invasion, replication, escape, and inflammation. We believe that gaining a better understanding of the role of E3 ubiquitin ligases and DUBs in COVID-19 can offer novel and valuable insights for developing antiviral therapies.
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Affiliation(s)
- Mingjiu Zhao
- National Clinical Research Center for Metabolic Diseases, Metabolic Syndrome Research Center, Key Laboratory of Diabetes Immunology, Ministry of Education, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Mengdi Zhang
- National Clinical Research Center for Metabolic Diseases, Metabolic Syndrome Research Center, Key Laboratory of Diabetes Immunology, Ministry of Education, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Zhou Yang
- National Clinical Research Center for Metabolic Diseases, Metabolic Syndrome Research Center, Key Laboratory of Diabetes Immunology, Ministry of Education, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Zhiguang Zhou
- National Clinical Research Center for Metabolic Diseases, Metabolic Syndrome Research Center, Key Laboratory of Diabetes Immunology, Ministry of Education, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Jiaqi Huang
- National Clinical Research Center for Metabolic Diseases, Metabolic Syndrome Research Center, Key Laboratory of Diabetes Immunology, Ministry of Education, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
- Xiangya School of Public Health, Central South University, Changsha, China
| | - Bin Zhao
- National Clinical Research Center for Metabolic Diseases, Metabolic Syndrome Research Center, Key Laboratory of Diabetes Immunology, Ministry of Education, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
- Furong Laboratory, Central South University, Changsha, China
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