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Yousfi FZE, Haroun AE, Nebhani C, Belayachi J, Askander O, Fahime EE, Fares H, Ennibi K, Abouqal R, Razine R, Bouhouche A. Prevalence of the protective OAS1 rs10774671-G allele against severe COVID-19 in Moroccans: implications for a North African Neanderthal connection. Arch Virol 2024; 169:109. [PMID: 38658463 PMCID: PMC11043147 DOI: 10.1007/s00705-024-06038-y] [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: 11/02/2023] [Accepted: 02/26/2024] [Indexed: 04/26/2024]
Abstract
The clinical presentation of COVID-19 shows high variability among individuals, which is partly due to genetic factors. The OAS1/2/3 cluster has been found to be strongly associated with COVID-19 severity. We examined this locus in the Moroccan population for the occurrence of the critical variant rs10774671 and its respective haplotype blocks. The frequency of single-nucleotide polymorphisms (SNPs) in the cluster of OAS immunity genes in 157 unrelated individuals of Moroccan origin was determined using an in-house exome database. OAS1 exon 6 of 71 SARS-CoV-2-positive individuals with asymptomatic/mild disease and 74 with moderate/severe disease was sequenced by the Sanger method. The genotypic, allelic, and haplotype frequencies of three SNPs were compared between these two groups. Finally, males in our COVID-19 series were genotyped for the Berber-specific marker E-M81. The prevalence of the OAS1 rs10774671-G allele in present-day Moroccans was found to be 40.4%, which is similar to that found in Europeans. However, it was found equally in both the Neanderthal GGG haplotype and the African GAC haplotype, with a frequency of 20% each. These two haplotypes, and hence the rs10774671-G allele, were significantly associated with protection against severe COVID-19 (p = 0.034, p = 0.041, and p = 0.008, respectively). Surprisingly, in men with the Berber-specific uniparental markers, the African haplotype was absent, while the prevalence of the Neanderthal haplotype was similar to that in Europeans. The protective rs10774671-G allele of OAS1 was found only in the Neanderthal haplotype in Berbers, the indigenous people of North Africa, suggesting that this region may have served as a stepping-stone for the passage of hominids to other continents.
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Affiliation(s)
- Fatima Zahra El Yousfi
- Laboratory of Human Genetics, Medical School and Pharmacy, University Mohammed V in Rabat, Rabat, Morocco
| | - Abbas Ermilo Haroun
- Laboratory of Biostatistics, Clinical and Epidemiological Research, Department of Public Health, Medical School and Pharmacy, University Mohammed V in Rabat, Rabat, Morocco
- Laboratory of Community Health, Department of Public Health, Medical School and Pharmacy, University Mohammed V in Rabat, Rabat, Morocco
| | - Chaimae Nebhani
- Laboratory of Human Genetics, Medical School and Pharmacy, University Mohammed V in Rabat, Rabat, Morocco
| | - Jihane Belayachi
- Laboratory of Biostatistics, Clinical and Epidemiological Research, Department of Public Health, Medical School and Pharmacy, University Mohammed V in Rabat, Rabat, Morocco
- Acute Medical Unit, Ibn Sina University Hospital, Rabat, Morocco
| | - Omar Askander
- Faculty of Medical Science, Mohammed VI Polytechnic University, Benguerir, Morocco
| | - Elmostafa El Fahime
- Molecular Biology and Functional Genomics Platform, National Center for Scientific and Technical Research, Rabat, Morocco
| | - Hakima Fares
- Intensive Care Department, Cheikh Zaid International Universitary Hospital, Rabat, Morocco
| | - Khalid Ennibi
- Virology, Infectious and Tropical Diseases Center, Hopital Militaire d'Instruction Mohammed V, Rabat, Morocco
| | - Redouane Abouqal
- Laboratory of Biostatistics, Clinical and Epidemiological Research, Department of Public Health, Medical School and Pharmacy, University Mohammed V in Rabat, Rabat, Morocco
- Laboratory of Community Health, Department of Public Health, Medical School and Pharmacy, University Mohammed V in Rabat, Rabat, Morocco
| | - Rachid Razine
- Laboratory of Biostatistics, Clinical and Epidemiological Research, Department of Public Health, Medical School and Pharmacy, University Mohammed V in Rabat, Rabat, Morocco
- Laboratory of Community Health, Department of Public Health, Medical School and Pharmacy, University Mohammed V in Rabat, Rabat, Morocco
| | - Ahmed Bouhouche
- Laboratory of Human Genetics, Medical School and Pharmacy, University Mohammed V in Rabat, Rabat, Morocco.
- Genomic Center of the Cheikh Zaid Foundation, Abulcasis International University of Health Sciences, Rabat, Morocco.
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2
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Harioudh MK, Perez J, Chong Z, Nair S, So L, McCormick KD, Ghosh A, Shao L, Srivastava R, Soveg F, Ebert TS, Atianand MK, Hornung V, Savan R, Diamond MS, Sarkar SN. Oligoadenylate synthetase 1 displays dual antiviral mechanisms in driving translational shutdown and protecting interferon production. Immunity 2024; 57:446-461.e7. [PMID: 38423012 PMCID: PMC10939734 DOI: 10.1016/j.immuni.2024.02.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 11/15/2023] [Accepted: 02/05/2024] [Indexed: 03/02/2024]
Abstract
In response to viral infection, how cells balance translational shutdown to limit viral replication and the induction of antiviral components like interferons (IFNs) is not well understood. Moreover, how distinct isoforms of IFN-induced oligoadenylate synthetase 1 (OAS1) contribute to this antiviral response also requires further elucidation. Here, we show that human, but not mouse, OAS1 inhibits SARS-CoV-2 replication through its canonical enzyme activity via RNase L. In contrast, both mouse and human OAS1 protect against West Nile virus infection by a mechanism distinct from canonical RNase L activation. OAS1 binds AU-rich elements (AREs) of specific mRNAs, including IFNβ. This binding leads to the sequestration of IFNβ mRNA to the endomembrane regions, resulting in prolonged half-life and continued translation. Thus, OAS1 is an ARE-binding protein with two mechanisms of antiviral activity: driving inhibition of translation but also a broader, non-canonical function of protecting IFN expression from translational shutdown.
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Affiliation(s)
- Munesh K Harioudh
- Cancer Virology Program, UPMC Hillman Cancer Center, Pittsburgh, PA, USA; Department of Microbiology and Molecular Genetics, Pittsburgh, PA, USA
| | - Joseph Perez
- Cancer Virology Program, UPMC Hillman Cancer Center, Pittsburgh, PA, USA; Department of Microbiology and Molecular Genetics, Pittsburgh, PA, USA
| | - Zhenlu Chong
- Departments of Medicine, Molecular Microbiology, Pathology & Immunology, Washington University School of Medicine, St. Louis, MO, USA
| | - Sharmila Nair
- Departments of Medicine, Molecular Microbiology, Pathology & Immunology, Washington University School of Medicine, St. Louis, MO, USA
| | - Lomon So
- Department of Immunology, School of Medicine, University of Washington, Seattle, WA, USA; Division of Immunology, Benaroya Research Institute, Seattle, WA, USA
| | - Kevin D McCormick
- Cancer Virology Program, UPMC Hillman Cancer Center, Pittsburgh, PA, USA; Department of Microbiology and Molecular Genetics, Pittsburgh, PA, USA
| | - Arundhati Ghosh
- Cancer Virology Program, UPMC Hillman Cancer Center, Pittsburgh, PA, USA; Department of Microbiology and Molecular Genetics, Pittsburgh, PA, USA
| | - Lulu Shao
- Cancer Virology Program, UPMC Hillman Cancer Center, Pittsburgh, PA, USA; Department of Microbiology and Molecular Genetics, Pittsburgh, PA, USA
| | - Rashmi Srivastava
- Cancer Virology Program, UPMC Hillman Cancer Center, Pittsburgh, PA, USA; Department of Microbiology and Molecular Genetics, Pittsburgh, PA, USA
| | - Frank Soveg
- Department of Immunology, School of Medicine, University of Washington, Seattle, WA, USA
| | - Thomas S Ebert
- Department of Biochemistry, Ludwig Maximilians Universität, Munich, Germany
| | - Maninjay K Atianand
- Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Veit Hornung
- Department of Biochemistry, Ludwig Maximilians Universität, Munich, Germany
| | - Ram Savan
- Department of Immunology, School of Medicine, University of Washington, Seattle, WA, USA
| | - Michael S Diamond
- Departments of Medicine, Molecular Microbiology, Pathology & Immunology, Washington University School of Medicine, St. Louis, MO, USA
| | - Saumendra N Sarkar
- Cancer Virology Program, UPMC Hillman Cancer Center, Pittsburgh, PA, USA; Department of Microbiology and Molecular Genetics, Pittsburgh, PA, USA; Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
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3
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Vouillon A, Barthelemy J, Lebeau L, Nisole S, Savini G, Lévêque N, Simonin Y, Garcia M, Bodet C. Skin tropism during Usutu virus and West Nile virus infection: an amplifying and immunological role. J Virol 2024; 98:e0183023. [PMID: 38088560 PMCID: PMC10805065 DOI: 10.1128/jvi.01830-23] [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: 11/23/2023] [Accepted: 11/27/2023] [Indexed: 01/24/2024] Open
Abstract
Usutu virus (USUV) and West Nile virus (WNV) are closely related emerging arboviruses belonging to the Flavivirus genus and posing global public health concerns. Although human infection by these viruses is mainly asymptomatic, both have been associated with neurological disorders such as encephalitis and meningoencephalitis. Since USUV and WNV are transmitted through the bite of an infected mosquito, the skin represents the initial site of virus inoculation and provides the first line of host defense. Although some data on the early stages of WNV skin infection are available, very little is known about USUV. Herein, USUV-skin resident cell interactions were characterized. Using primary human keratinocytes and fibroblasts, an early replication of USUV during the first 24 hours was shown in both skin cells. In human skin explants, a high viral tropism for keratinocytes was observed. USUV infection of these models induced type I and III interferon responses associated with upregulated expression of various interferon-stimulated genes as well as pro-inflammatory cytokine and chemokine genes. Among the four USUV lineages studied, the Europe 2 strain replicated more efficiently in skin cells and induced a higher innate immune response. In vivo, USUV and WNV disseminated quickly from the inoculation site to distal cutaneous tissues. In addition, viral replication and persistence in skin cells were associated with an antiviral response. Taken together, these results provide a better understanding of the pathophysiology of the early steps of USUV infection and suggest that the skin constitutes a major amplifying organ for USUV and WNV infection.IMPORTANCEUsutu virus (USUV) and West Nile virus (WNV) are closely related emerging Flaviviruses transmitted through the bite of an infected mosquito. Since they are directly inoculated within the upper skin layers, the interactions between the virus and skin cells are critical in the pathophysiology of USUV and WNV infection. Here, during the early steps of infection, we showed that USUV can efficiently infect two human resident skin cell types at the inoculation site: the epidermal keratinocytes and the dermal fibroblasts, leading to the induction of an antiviral innate immune response. Moreover, following cutaneous inoculation, we demonstrated that both viruses can rapidly spread, replicate, and persist in all distal cutaneous tissues in mice, a phenomenon associated with a generalized skin inflammatory response. These results highlight the key amplifying and immunological role of the skin during USUV and WNV infection.
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Affiliation(s)
- Axelle Vouillon
- Laboratoire Inflammation Tissus Epithéliaux et Cytokines (LITEC), Université de Poitiers, Poitiers, France
| | - Jonathan Barthelemy
- Pathogenesis and Control of Chronic and Emerging Infections (PCCEI), University of Montpellier, INSERM, EFS, Montpellier, France
| | - Lucie Lebeau
- Service d'Anatomie et Cytologie Pathologiques, CHU de Poitiers, Poitiers, France
| | - Sébastien Nisole
- Institut de Recherche en Infectiologie de Montpellier (IRIM), Université de Montpellier, CNRS, Montpellier, France
| | - Giovanni Savini
- Department of Virology, Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise (IZS-Teramo), Teramo, Italy
| | - Nicolas Lévêque
- Laboratoire Inflammation Tissus Epithéliaux et Cytokines (LITEC), Université de Poitiers, Poitiers, France
- Laboratoire de Virologie et Mycobactériologie, CHU de Poitiers, Poitiers, France
| | - Yannick Simonin
- Pathogenesis and Control of Chronic and Emerging Infections (PCCEI), University of Montpellier, INSERM, EFS, Montpellier, France
| | - Magali Garcia
- Laboratoire Inflammation Tissus Epithéliaux et Cytokines (LITEC), Université de Poitiers, Poitiers, France
- Laboratoire de Virologie et Mycobactériologie, CHU de Poitiers, Poitiers, France
| | - Charles Bodet
- Laboratoire Inflammation Tissus Epithéliaux et Cytokines (LITEC), Université de Poitiers, Poitiers, France
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Morath K, Sadhu L, Dyckhoff G, Gapp M, Keppler OT, Fackler OT. Activation-neutral gene editing of tonsillar CD4 T cells for functional studies in human ex vivo tonsil cultures. CELL REPORTS METHODS 2024; 4:100685. [PMID: 38211593 PMCID: PMC10831948 DOI: 10.1016/j.crmeth.2023.100685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 11/13/2023] [Accepted: 12/13/2023] [Indexed: 01/13/2024]
Abstract
The molecular and immunological properties of tissue-resident resting CD4 T cells are understudied due to the lack of suitable gene editing methods. Here, we describe the ex vivo culture and gene editing methodology ediTONSIL for CD4 T cells from human tonsils. Optimized CRISPR-Cas9 RNP nucleofection results in knockout efficacies of over 90% without requiring exogenous activation. Editing can be performed on multiple cell types in bulk cultures or on isolated CD4 T cells that can be labeled and reintroduced into their tissue environment. Importantly, CD4 T cells maintain their tissue-specific properties such as viability, activation state, or immunocompetence following reassembly into lymphoid aggregates. This highly efficient and versatile gene editing workflow for tonsillar CD4 T cells enables the dissection of molecular mechanisms in ex vivo cultures of human lymphoid tissue and can be adapted to other tonsil-resident cell types.
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Affiliation(s)
- Katharina Morath
- Department of Infectious Diseases, Integrative Virology, University Hospital Heidelberg, Im Neuenheimer Feld 344, 69120 Heidelberg, Germany
| | - Lopamudra Sadhu
- Department of Infectious Diseases, Integrative Virology, University Hospital Heidelberg, Im Neuenheimer Feld 344, 69120 Heidelberg, Germany
| | - Gerhard Dyckhoff
- Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Heidelberg, Im Neuenheimer Feld 400, 69120 Heidelberg, Germany
| | - Madeleine Gapp
- Max von Pettenkofer Institute and Gene Center, Virology, National Reference Center for Retroviruses, Ludwig-Maximilians-Universität München, Pettenkoferstraße 9a, 80336 Munich, Germany
| | - Oliver T Keppler
- Max von Pettenkofer Institute and Gene Center, Virology, National Reference Center for Retroviruses, Ludwig-Maximilians-Universität München, Pettenkoferstraße 9a, 80336 Munich, Germany; German Centre for Infection Research (DZIF), Partner Site München, Munich, Germany
| | - Oliver T Fackler
- Department of Infectious Diseases, Integrative Virology, University Hospital Heidelberg, Im Neuenheimer Feld 344, 69120 Heidelberg, Germany; German Centre for Infection Research (DZIF), Partner Site Heidelberg, Heidelberg, Germany.
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5
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Chen H, Wang J, Ding K, Xu J, Yang Y, Tang C, Zhou Y, Yu W, Wang H, Huang Q, Li B, Kuang D, Wu D, Luo Z, Gao J, Zhao Y, Liu J, Peng X, Lu S, Liu H. Gastrointestinal microbiota and metabolites possibly contribute to distinct pathogenicity of SARS-CoV-2 proto or its variants in rhesus monkeys. Gut Microbes 2024; 16:2334970. [PMID: 38563680 PMCID: PMC10989708 DOI: 10.1080/19490976.2024.2334970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 03/21/2024] [Indexed: 04/04/2024] Open
Abstract
Gastrointestinal (GI) infection is evidenced with involvement in COVID-19 pathogenesis caused by SARS-CoV-2. However, the correlation between GI microbiota and the distinct pathogenicity of SARS-CoV-2 Proto and its emerging variants remains unclear. In this study, we aimed to determine if GI microbiota impacted COVID-19 pathogenesis and if the effect varied between SARS-CoV-2 Proto and its variants. We performed an integrative analysis of histopathology, microbiomics, and transcriptomics on the GI tract fragments from rhesus monkeys infected with SARS-CoV-2 proto or its variants. Based on the degree of pathological damage and microbiota profile in the GI tract, five of SARS-CoV-2 strains were classified into two distinct clusters, namely, the clusters of Alpha, Beta and Delta (ABD), and Proto and Omicron (PO). Notably, the abundance of potentially pathogenic microorganisms increased in ABD but not in the PO-infected rhesus monkeys. Specifically, the high abundance of UCG-002, UCG-005, and Treponema in ABD virus-infected animals positively correlated with interleukin, integrins, and antiviral genes. Overall, this study revealed that infection-induced alteration of GI microbiota and metabolites could increase the systemic burdens of inflammation or pathological injury in infected animals, especially in those infected with ABD viruses. Distinct GI microbiota and metabolite profiles may be responsible for the differential pathological phenotypes of PO and ABD virus-infected animals. These findings improve our understanding the roles of the GI microbiota in SARS-CoV-2 infection and provide important information for the precise prevention, control, and treatment of COVID-19.
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Affiliation(s)
- Hongyu Chen
- Institute of Medical biology, Chinese Academy of Medical Sciences and Peking Union Medical School (IMBCAMS & PUMC), Kunming, Yunnan, China
| | - Junbin Wang
- Institute of Medical biology, Chinese Academy of Medical Sciences and Peking Union Medical School (IMBCAMS & PUMC), Kunming, Yunnan, China
| | - Kaiyun Ding
- Institute of Medical biology, Chinese Academy of Medical Sciences and Peking Union Medical School (IMBCAMS & PUMC), Kunming, Yunnan, China
| | - Jingwen Xu
- Institute of Medical biology, Chinese Academy of Medical Sciences and Peking Union Medical School (IMBCAMS & PUMC), Kunming, Yunnan, China
| | - Yun Yang
- Institute of Medical biology, Chinese Academy of Medical Sciences and Peking Union Medical School (IMBCAMS & PUMC), Kunming, Yunnan, China
| | - Cong Tang
- Institute of Medical biology, Chinese Academy of Medical Sciences and Peking Union Medical School (IMBCAMS & PUMC), Kunming, Yunnan, China
| | - Yanan Zhou
- Institute of Medical biology, Chinese Academy of Medical Sciences and Peking Union Medical School (IMBCAMS & PUMC), Kunming, Yunnan, China
| | - Wenhai Yu
- Institute of Medical biology, Chinese Academy of Medical Sciences and Peking Union Medical School (IMBCAMS & PUMC), Kunming, Yunnan, China
| | - Haixuan Wang
- Institute of Medical biology, Chinese Academy of Medical Sciences and Peking Union Medical School (IMBCAMS & PUMC), Kunming, Yunnan, China
| | - Qing Huang
- Institute of Medical biology, Chinese Academy of Medical Sciences and Peking Union Medical School (IMBCAMS & PUMC), Kunming, Yunnan, China
| | - Bai Li
- Institute of Medical biology, Chinese Academy of Medical Sciences and Peking Union Medical School (IMBCAMS & PUMC), Kunming, Yunnan, China
| | - Dexuan Kuang
- Institute of Medical biology, Chinese Academy of Medical Sciences and Peking Union Medical School (IMBCAMS & PUMC), Kunming, Yunnan, China
| | - Daoju Wu
- Institute of Medical biology, Chinese Academy of Medical Sciences and Peking Union Medical School (IMBCAMS & PUMC), Kunming, Yunnan, China
| | - Zhiwu Luo
- Institute of Medical biology, Chinese Academy of Medical Sciences and Peking Union Medical School (IMBCAMS & PUMC), Kunming, Yunnan, China
| | - Jiahong Gao
- Institute of Medical biology, Chinese Academy of Medical Sciences and Peking Union Medical School (IMBCAMS & PUMC), Kunming, Yunnan, China
| | - Yuan Zhao
- Institute of Medical biology, Chinese Academy of Medical Sciences and Peking Union Medical School (IMBCAMS & PUMC), Kunming, Yunnan, China
| | - Jiansheng Liu
- Institute of Medical biology, Chinese Academy of Medical Sciences and Peking Union Medical School (IMBCAMS & PUMC), Kunming, Yunnan, China
| | - Xiaozhong Peng
- Institute of Medical biology, Chinese Academy of Medical Sciences and Peking Union Medical School (IMBCAMS & PUMC), Kunming, Yunnan, China
- Institute of Laboratory Animal Sciences, IMBCAMS & PUMC, Beijing, China
- Institute of Basic Medical Sciences, IMBCAMS & PUMC, Beijing, China
| | - Shuaiyao Lu
- Institute of Medical biology, Chinese Academy of Medical Sciences and Peking Union Medical School (IMBCAMS & PUMC), Kunming, Yunnan, China
| | - Hongqi Liu
- Institute of Medical biology, Chinese Academy of Medical Sciences and Peking Union Medical School (IMBCAMS & PUMC), Kunming, Yunnan, China
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Olkova MV, Koshel SM, Petrushenko VS, Alimov AA. Features of Distribution of the Allelic Variant of the OAS1 Gene Associated with Severe Form of the Coronavirus Infection in the Russian and Global Populations. Bull Exp Biol Med 2023; 176:194-201. [PMID: 38191878 DOI: 10.1007/s10517-024-05994-4] [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: 04/30/2023] [Indexed: 01/10/2024]
Abstract
The study of the geographic distribution of the allelic variant of the OAS1 gene associated with severe form of the infections caused by RNA viruses was carried out using the rs10774671 polymorphic locus. The mutant allele encoding the p42 protein isoform was most prevalent in the Russian populations. A comparative analysis of the prevalence of the mutant allele in world populations showed that its frequency is 0.9 among the inhabitants of Northern Eurasia, while the allele encoding the p46 protein isoform is widespread among the population of West Central Africa. A cartographic analysis of the relationship between the population-frequency characteristics of the marker alleles and the geographical remoteness of the populations showed that the mutant allele is most often observed in the indigenous populations of the Far East, which suggests its East Asian origin.
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Affiliation(s)
- M V Olkova
- Research Centre for Medical Genetics, Moscow, Russia.
| | - S M Koshel
- Research Centre for Medical Genetics, Moscow, Russia
- M. V. Lomonosov Moscow State University, Moscow, Russia
| | | | - A A Alimov
- Research Centre for Medical Genetics, Moscow, Russia
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7
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Sarkar SN, Harioudh MK, Shao L, Perez J, Ghosh A. The Many Faces of Oligoadenylate Synthetases. J Interferon Cytokine Res 2023; 43:487-494. [PMID: 37751211 PMCID: PMC10654648 DOI: 10.1089/jir.2023.0098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 08/13/2023] [Indexed: 09/27/2023] Open
Abstract
2'-5' Oligoadenylate synthetases (OAS) are interferon-stimulated genes that are most well-known to protect hosts from viral infections. They are evolutionarily related to an ancient family of Nucleotidyltransferases, which are primarily involved in pathogen-sensing and innate immune response. Classical function of OAS proteins involves double-stranded RNA-stimulated polymerization of adenosine triphosphate in 2'-5' oligoadenylates (2-5A), which can activate the latent RNase (RNase L) to degrade RNA. However, accumulated evidence over the years have suggested alternative mode of antiviral function of several OAS family proteins. Furthermore, recent studies have connected some OAS proteins with wider function beyond viral infection. Here, we review some of the canonical and noncanonical functions of OAS proteins and their mechanisms.
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Affiliation(s)
- Saumendra N. Sarkar
- Cancer Virology Program, UPMC Hillman Cancer Center, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Munesh K. Harioudh
- Cancer Virology Program, UPMC Hillman Cancer Center, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Lulu Shao
- Cancer Virology Program, UPMC Hillman Cancer Center, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Joseph Perez
- Cancer Virology Program, UPMC Hillman Cancer Center, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Arundhati Ghosh
- Cancer Virology Program, UPMC Hillman Cancer Center, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
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8
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Kumasaka N, Rostom R, Huang N, Polanski K, Meyer KB, Patel S, Boyd R, Gomez C, Barnett SN, Panousis NI, Schwartzentruber J, Ghoussaini M, Lyons PA, Calero-Nieto FJ, Göttgens B, Barnes JL, Worlock KB, Yoshida M, Nikolić MZ, Stephenson E, Reynolds G, Haniffa M, Marioni JC, Stegle O, Hagai T, Teichmann SA. Mapping interindividual dynamics of innate immune response at single-cell resolution. Nat Genet 2023; 55:1066-1075. [PMID: 37308670 PMCID: PMC10260404 DOI: 10.1038/s41588-023-01421-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2021] [Accepted: 04/27/2023] [Indexed: 06/14/2023]
Abstract
Common genetic variants across individuals modulate the cellular response to pathogens and are implicated in diverse immune pathologies, yet how they dynamically alter the response upon infection is not well understood. Here, we triggered antiviral responses in human fibroblasts from 68 healthy donors, and profiled tens of thousands of cells using single-cell RNA-sequencing. We developed GASPACHO (GAuSsian Processes for Association mapping leveraging Cell HeterOgeneity), a statistical approach designed to identify nonlinear dynamic genetic effects across transcriptional trajectories of cells. This approach identified 1,275 expression quantitative trait loci (local false discovery rate 10%) that manifested during the responses, many of which were colocalized with susceptibility loci identified by genome-wide association studies of infectious and autoimmune diseases, including the OAS1 splicing quantitative trait locus in a COVID-19 susceptibility locus. In summary, our analytical approach provides a unique framework for delineation of the genetic variants that shape a wide spectrum of transcriptional responses at single-cell resolution.
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Affiliation(s)
- Natsuhiko Kumasaka
- Wellcome Sanger Institute, Wellcome Genome Campus, Cambridge, UK
- Medical Support Center of Japan Environment and Children's Study (JECS), National Center for Child Health and Development, Tokyo, Japan
| | - Raghd Rostom
- Wellcome Sanger Institute, Wellcome Genome Campus, Cambridge, UK
- European Molecular Biology Laboratory, European Bioinformatics Institute, Wellcome Genome Campus, Hinxton, UK
| | - Ni Huang
- Wellcome Sanger Institute, Wellcome Genome Campus, Cambridge, UK
| | | | - Kerstin B Meyer
- Wellcome Sanger Institute, Wellcome Genome Campus, Cambridge, UK
| | - Sharad Patel
- Wellcome Sanger Institute, Wellcome Genome Campus, Cambridge, UK
| | - Rachel Boyd
- Wellcome Sanger Institute, Wellcome Genome Campus, Cambridge, UK
| | - Celine Gomez
- Wellcome Sanger Institute, Wellcome Genome Campus, Cambridge, UK
| | - Sam N Barnett
- Wellcome Sanger Institute, Wellcome Genome Campus, Cambridge, UK
| | | | - Jeremy Schwartzentruber
- Wellcome Sanger Institute, Wellcome Genome Campus, Cambridge, UK
- Open Targets, Wellcome Genome Campus, Hinxton, UK
| | - Maya Ghoussaini
- Wellcome Sanger Institute, Wellcome Genome Campus, Cambridge, UK
- Open Targets, Wellcome Genome Campus, Hinxton, UK
| | - Paul A Lyons
- Cambridge Institute of Therapeutic Immunology and Infectious Disease, Jeffrey Cheah Biomedical Centre, Cambridge, UK
- Department of Medicine, University of Cambridge, Cambridge, UK
| | | | - Berthold Göttgens
- Wellcome-MRC Cambridge Stem Cell Institute, University of Cambridge, Cambridge, UK
| | - Josephine L Barnes
- UCL Respiratory, Division of Medicine, University College London, London, UK
| | - Kaylee B Worlock
- UCL Respiratory, Division of Medicine, University College London, London, UK
| | - Masahiro Yoshida
- UCL Respiratory, Division of Medicine, University College London, London, UK
| | - Marko Z Nikolić
- UCL Respiratory, Division of Medicine, University College London, London, UK
- University College London Hospitals NHS Foundation Trust, London, UK
| | - Emily Stephenson
- Wellcome Sanger Institute, Wellcome Genome Campus, Cambridge, UK
- Biosciences Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Gary Reynolds
- Biosciences Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Muzlifah Haniffa
- Wellcome Sanger Institute, Wellcome Genome Campus, Cambridge, UK
- Biosciences Institute, Newcastle University, Newcastle upon Tyne, UK
- NIHR Newcastle Biomedical Research Centre, Newcastle Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
- Department of Dermatology, Newcastle Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
| | - John C Marioni
- Wellcome Sanger Institute, Wellcome Genome Campus, Cambridge, UK
- European Molecular Biology Laboratory, European Bioinformatics Institute, Wellcome Genome Campus, Hinxton, UK
- Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, UK
| | - Oliver Stegle
- Wellcome Sanger Institute, Wellcome Genome Campus, Cambridge, UK
- European Molecular Biology Laboratory, European Bioinformatics Institute, Wellcome Genome Campus, Hinxton, UK
- Division of Computational Genomics and Systems Genetics, German Cancer Research Center, Heidelberg, Germany
- European Molecular Biology Laboratory, Genome Biology Unit, Heidelberg, Germany
| | - Tzachi Hagai
- Shmunis School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel.
| | - Sarah A Teichmann
- Wellcome Sanger Institute, Wellcome Genome Campus, Cambridge, UK.
- Theory of Condensed Matter Group, Cavendish Laboratory/Department of Physics, University of Cambridge, Cambridge, UK.
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9
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Genetics and epigenetics of primary Sjögren syndrome: implications for future therapies. Nat Rev Rheumatol 2023; 19:288-306. [PMID: 36914790 PMCID: PMC10010657 DOI: 10.1038/s41584-023-00932-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/13/2023] [Indexed: 03/14/2023]
Abstract
In primary Sjögren syndrome (pSS), chronic inflammation of exocrine glands results in tissue destruction and sicca symptoms, primarily of the mouth and eyes. Fatigue, arthralgia and myalgia are also common symptoms, whereas extraglandular manifestations that involve the respiratory, nervous and vascular systems occur in a subset of patients. The disease predominantly affects women, with an estimated female to male ratio of 14 to 1. The aetiology of pSS, however, remains incompletely understood, and effective treatment is lacking. Large-scale genetic and epigenetic investigations have revealed associations between pSS and genes in both innate and adaptive immune pathways. The genetic variants mediate context-dependent effects, and both sex and environmental factors can influence the outcome. As such, genetic and epigenetic studies can provide insight into the dysregulated molecular mechanisms, which in turn might reveal new therapeutic possibilities. This Review discusses the genetic and epigenetic features that have been robustly connected with pSS, putting them into the context of cellular function, carrier sex and environmental challenges. In all, the observations point to several novel opportunities for early detection, treatment development and the pathway towards personalized medicine.
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10
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Gokul A, Arumugam T, Ramsuran V. Genetic Ethnic Differences in Human 2'-5'-Oligoadenylate Synthetase and Disease Associations: A Systematic Review. Genes (Basel) 2023; 14:527. [PMID: 36833454 PMCID: PMC9956131 DOI: 10.3390/genes14020527] [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: 01/26/2023] [Revised: 02/14/2023] [Accepted: 02/17/2023] [Indexed: 02/22/2023] Open
Abstract
Recently, several studies have highlighted a skewed prevalence of infectious diseases within the African continent. Furthermore, a growing number of studies have demonstrated unique genetic variants found within the African genome are one of the contributing factors to the disease severity of infectious diseases within Africa. Understanding the host genetic mechanisms that offer protection against infectious diseases provides an opportunity to develop unique therapeutic interventions. Over the past two decades, several studies have linked the 2'-5'-oligoadenylate synthetase (OAS) family with a range of infectious diseases. More recently, the OAS-1 gene has also been associated with disease severity caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which led to a global pandemic. The OAS family serves as an antiviral factor through the interaction with Ribonuclease-Latent (RNase-L). This review explores the genetic variants observed within the OAS genes and the associations with various viral infections and how previously reported ethnic-specific polymorphisms drive clinical significance. This review provides an overview of OAS genetic association studies with a particular focus on viral diseases affecting individuals of African descent.
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Affiliation(s)
- Anmol Gokul
- School of Laboratory Medicine and Medical Sciences, College of Health Science, University of KwaZulu-Natal, Durban 4041, South Africa
| | - Thilona Arumugam
- School of Laboratory Medicine and Medical Sciences, College of Health Science, University of KwaZulu-Natal, Durban 4041, South Africa
| | - Veron Ramsuran
- School of Laboratory Medicine and Medical Sciences, College of Health Science, University of KwaZulu-Natal, Durban 4041, South Africa
- Centre for the AIDS Programme of Research in South Africa (CAPRISA), University of KwaZulu-Natal, Durban 4001, South Africa
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11
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Monogue B, Chen Y, Sparks H, Behbehani R, Chai A, Rajic AJ, Massey A, Kleinschmidt-Demasters BK, Vermeren M, Kunath T, Beckham JD. Alpha-synuclein supports type 1 interferon signalling in neurons and brain tissue. Brain 2022; 145:3622-3636. [PMID: 35858675 DOI: 10.1093/brain/awac192] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 05/06/2022] [Accepted: 05/13/2022] [Indexed: 01/01/2023] Open
Abstract
The protein alpha-synuclein is predominantly expressed in neurons and is associated with neurodegenerative diseases like Parkinson's disease and dementia with Lewy bodies. However, the normal function of alpha-synuclein in neurons is not clearly defined. We have previously shown that mice lacking alpha-synuclein expression exhibit markedly increased viral growth in the brain, increased mortality and increased neuronal cell death, implicating alpha-synuclein in the neuronal innate immune response. To investigate the mechanism of alpha-synuclein-induced immune responses to viral infections in the brain, we challenged alpha-synuclein knockout mice and human alpha-synuclein knockout dopaminergic neurons with RNA virus infection and discovered that alpha-synuclein is required for neuronal expression of interferon-stimulated genes. Furthermore, human alpha-synuclein knockout neurons treated with type 1 interferon failed to induce a broad range of interferon stimulated genes, implying that alpha-synuclein interacts with type 1 interferon signalling. We next found that alpha-synuclein accumulates in the nucleus of interferon-treated human neurons after interferon treatment and we demonstrated that interferon-mediated phosphorylation of STAT2 is dependent on alpha-synuclein expression in human neurons. Next, we found that activated STAT2 co-localizes with alpha-synuclein following type 1 interferon stimulation in neurons. Finally, we found that brain tissue from patients with viral encephalitis expresses increased levels of phospho-serine129 alpha-synuclein in neurons. Taken together, our results show that alpha-synuclein expression supports neuron-specific interferon responses by localizing to the nucleus, supporting STAT2 activation, co-localizing with phosphorylated STAT2 in neurons and supporting expression of interferon-stimulated genes. These data provide a novel mechanism that links interferon activation and alpha-synuclein function in neurons.
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Affiliation(s)
- Brendan Monogue
- Department of Immunology and Microbiology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA.,Division of Infectious Diseases, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Yixi Chen
- Centre for Regenerative Medicine and the School of Biological Sciences, University of Edinburgh, Edinburgh EH16 4UU, UK.,UK Centre for Mammalian Synthetic Biology, University of Edinburgh, Edinburgh EH16 4UU, UK
| | - Hadrian Sparks
- Department of Immunology and Microbiology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Ranya Behbehani
- Centre for Regenerative Medicine and the School of Biological Sciences, University of Edinburgh, Edinburgh EH16 4UU, UK
| | - Andrew Chai
- Centre for Regenerative Medicine and the School of Biological Sciences, University of Edinburgh, Edinburgh EH16 4UU, UK
| | - Alexander J Rajic
- Department of Neurology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Aaron Massey
- Division of Infectious Diseases, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - B K Kleinschmidt-Demasters
- Department of Neurology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA.,Departments of Pathology and Neurosurgery, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Matthieu Vermeren
- Centre for Regenerative Medicine and the School of Biological Sciences, University of Edinburgh, Edinburgh EH16 4UU, UK
| | - Tilo Kunath
- Centre for Regenerative Medicine and the School of Biological Sciences, University of Edinburgh, Edinburgh EH16 4UU, UK.,UK Centre for Mammalian Synthetic Biology, University of Edinburgh, Edinburgh EH16 4UU, UK
| | - J David Beckham
- Department of Immunology and Microbiology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA.,Division of Infectious Diseases, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA.,Department of Neurology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA.,Rocky Mountain Regional VA Medical Center, Aurora, CO 80045, USA
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12
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Prangley E, Korennykh A. 2-5A-Mediated decay (2-5AMD): from antiviral defense to control of host RNA. Crit Rev Biochem Mol Biol 2022; 57:477-491. [PMID: 36939319 PMCID: PMC10576847 DOI: 10.1080/10409238.2023.2181308] [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: 02/28/2022] [Revised: 10/18/2022] [Accepted: 02/13/2023] [Indexed: 03/21/2023]
Abstract
Mammalian cells are exquisitely sensitive to the presence of double-stranded RNA (dsRNA), a molecule that they interpret as a signal of viral presence requiring immediate attention. Upon sensing dsRNA cells activate the innate immune response, which involves transcriptional mechanisms driving inflammation and secretion of interferons (IFNs) and interferon-stimulated genes (ISGs), as well as synthesis of RNA-like signaling molecules comprised of three or more 2'-5'-linked adenylates (2-5As). 2-5As were discovered some forty years ago and described as IFN-induced inhibitors of protein synthesis. The efforts of many laboratories, aimed at elucidating the molecular mechanism and function of these mysterious RNA-like signaling oligonucleotides, revealed that 2-5A is a specific ligand for the kinase-family endonuclease RNase L. RNase L decays single-stranded RNA (ssRNA) from viruses and mRNAs (as well as other RNAs) from hosts in a process we proposed to call 2-5A-mediated decay (2-5AMD). During recent years it has become increasingly recognized that 2-5AMD is more than a blunt tool of viral RNA destruction, but a pathway deeply integrated into sensing and regulation of endogenous RNAs. Here we present an overview of recently emerged roles of 2-5AMD in host RNA regulation.
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Affiliation(s)
- Eliza Prangley
- Department of Molecular Biology, Princeton University, Princeton, NJ 08544, USA
| | - Alexei Korennykh
- Department of Molecular Biology, Princeton University, Princeton, NJ 08544, USA
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13
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Abstract
Infectious diseases have shaped the human population genetic structure, and genetic variation influences the susceptibility to many viral diseases. However, a variety of challenges have made the implementation of traditional human Genome-wide Association Studies (GWAS) approaches to study these infectious outcomes challenging. In contrast, mouse models of infectious diseases provide an experimental control and precision, which facilitates analyses and mechanistic studies of the role of genetic variation on infection. Here we use a genetic mapping cross between two distinct Collaborative Cross mouse strains with respect to severe acute respiratory syndrome coronavirus (SARS-CoV) disease outcomes. We find several loci control differential disease outcome for a variety of traits in the context of SARS-CoV infection. Importantly, we identify a locus on mouse chromosome 9 that shows conserved synteny with a human GWAS locus for SARS-CoV-2 severe disease. We follow-up and confirm a role for this locus, and identify two candidate genes, CCR9 and CXCR6, that both play a key role in regulating the severity of SARS-CoV, SARS-CoV-2, and a distantly related bat sarbecovirus disease outcomes. As such we provide a template for using experimental mouse crosses to identify and characterize multitrait loci that regulate pathogenic infectious outcomes across species. IMPORTANCE Host genetic variation is an important determinant that predicts disease outcomes following infection. In the setting of highly pathogenic coronavirus infections genetic determinants underlying host susceptibility and mortality remain unclear. To elucidate the role of host genetic variation on sarbecovirus pathogenesis and disease outcomes, we utilized the Collaborative Cross (CC) mouse genetic reference population as a model to identify susceptibility alleles to SARS-CoV and SARS-CoV-2 infections. Our findings reveal that a multitrait loci found in chromosome 9 is an important regulator of sarbecovirus pathogenesis in mice. Within this locus, we identified and validated CCR9 and CXCR6 as important regulators of host disease outcomes. Specifically, both CCR9 and CXCR6 are protective against severe SARS-CoV, SARS-CoV-2, and SARS-related HKU3 virus disease in mice. This chromosome 9 multitrait locus may be important to help identify genes that regulate coronavirus disease outcomes in humans.
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14
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Banday AR, Stanifer ML, Florez-Vargas O, Onabajo OO, Papenberg BW, Zahoor MA, Mirabello L, Ring TJ, Lee CH, Albert PS, Andreakos E, Arons E, Barsh G, Biesecker LG, Boyle DL, Brahier MS, Burnett-Hartman A, Carrington M, Chang E, Choe PG, Chisholm RL, Colli LM, Dalgard CL, Dude CM, Edberg J, Erdmann N, Feigelson HS, Fonseca BA, Firestein GS, Gehring AJ, Guo C, Ho M, Holland S, Hutchinson AA, Im H, Irby L, Ison MG, Joseph NT, Kim HB, Kreitman RJ, Korf BR, Lipkin SM, Mahgoub SM, Mohammed I, Paschoalini GL, Pacheco JA, Peluso MJ, Rader DJ, Redden DT, Ritchie MD, Rosenblum B, Ross ME, Anna HPS, Savage SA, Sharma S, Siouti E, Smith AK, Triantafyllia V, Vargas JM, Vargas JD, Verma A, Vij V, Wesemann DR, Yeager M, Yu X, Zhang Y, Boulant S, Chanock SJ, Feld JJ, Prokunina-Olsson L. Genetic regulation of OAS1 nonsense-mediated decay underlies association with COVID-19 hospitalization in patients of European and African ancestries. Nat Genet 2022; 54:1103-1116. [PMID: 35835913 PMCID: PMC9355882 DOI: 10.1038/s41588-022-01113-z] [Citation(s) in RCA: 50] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Accepted: 05/26/2022] [Indexed: 12/22/2022]
Abstract
The chr12q24.13 locus encoding OAS1-OAS3 antiviral proteins has been associated with coronavirus disease 2019 (COVID-19) susceptibility. Here, we report genetic, functional and clinical insights into this locus in relation to COVID-19 severity. In our analysis of patients of European (n = 2,249) and African (n = 835) ancestries with hospitalized versus nonhospitalized COVID-19, the risk of hospitalized disease was associated with a common OAS1 haplotype, which was also associated with reduced severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) clearance in a clinical trial with pegIFN-λ1. Bioinformatic analyses and in vitro studies reveal the functional contribution of two associated OAS1 exonic variants comprising the risk haplotype. Derived human-specific alleles rs10774671-A and rs1131454 -A decrease OAS1 protein abundance through allele-specific regulation of splicing and nonsense-mediated decay (NMD). We conclude that decreased OAS1 expression due to a common haplotype contributes to COVID-19 severity. Our results provide insight into molecular mechanisms through which early treatment with interferons could accelerate SARS-CoV-2 clearance and mitigate against severe COVID-19.
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Affiliation(s)
- A Rouf Banday
- Laboratory of Translational Genomics, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Megan L Stanifer
- Department of Infectious Diseases, Molecular Virology, University Hospital Heidelberg, Heidelberg, Germany
- Department of Molecular Genetics and Microbiology, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Oscar Florez-Vargas
- Laboratory of Translational Genomics, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Olusegun O Onabajo
- Laboratory of Translational Genomics, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Brenen W Papenberg
- Laboratory of Translational Genomics, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Muhammad A Zahoor
- Toronto Centre for Liver Disease, Toronto General Hospital Research Institute, University Health Network, Toronto, Ontario, Canada
| | - Lisa Mirabello
- Clinical Genetics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Timothy J Ring
- Laboratory of Translational Genomics, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Chia-Han Lee
- Laboratory of Translational Genomics, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Paul S Albert
- Biostatistics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Evangelos Andreakos
- Laboratory of Immunobiology, Center for Clinical, Experimental Surgery and Translational Research, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | - Evgeny Arons
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA
| | - Greg Barsh
- HudsonAlpha Institute for Biotechnology, Huntsville, AL, USA
| | - Leslie G Biesecker
- Center for Precision Health Research, National Human Genome Research Institute, Bethesda, MD, USA
| | - David L Boyle
- Altman Clinical & Translational Research Institute, UC San Diego Health Sciences, San Diego, CA, USA
| | - Mark S Brahier
- Georgetown University School of Medicine, Washington, DC, USA
| | | | - Mary Carrington
- Basic Science Program, Frederick National Laboratory for Cancer Research, National Cancer Institute, Frederick, MD, USA
- Laboratory of Integrative Cancer Immunology, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, USA
| | - Euijin Chang
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Pyoeng Gyun Choe
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Rex L Chisholm
- Center for Genetic Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Leandro M Colli
- Department of Medical Imaging, Hematology, and Oncology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Clifton L Dalgard
- Uniformed Services University of the Health Sciences, Bethesda, MD, USA
| | - Carolynn M Dude
- Department of Gynecology and Obstetrics, Emory University School of Medicine, Atlanta, GA, USA
| | - Jeff Edberg
- Department of Medicine, Division of Clinical Immunology and Rheumatology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Nathan Erdmann
- Department of Medicine, Division of Infectious Diseases, University of Alabama at Birmingham, Birmingham, AL, USA
| | | | - Benedito A Fonseca
- Department of Internal Medicine, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Gary S Firestein
- Altman Clinical & Translational Research Institute, UC San Diego Health Sciences, San Diego, CA, USA
| | - Adam J Gehring
- Toronto Centre for Liver Disease, Toronto General Hospital Research Institute, University Health Network, Toronto, Ontario, Canada
- Department of Immunology, University of Toronto, Toronto, Ontario, Canada
| | - Cuncai Guo
- Division of Cellular Polarity and Viral Infection, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Michelle Ho
- Laboratory of Translational Genomics, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Steven Holland
- Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, Bethesda, MD, USA
| | - Amy A Hutchinson
- Cancer Genomics Research Laboratory, Frederick National Laboratory for Cancer Research, Frederick, MD, USA
| | - Hogune Im
- Genome Opinion, Inc., Seoul, Republic of Korea
| | - Les'Shon Irby
- Department of Gynecology and Obstetrics, Emory University School of Medicine, Atlanta, GA, USA
| | - Michael G Ison
- Divisions of Infectious Diseases and Organ Transplantation, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Naima T Joseph
- Department of Obstetrics & Gynecology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Hong Bin Kim
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - Robert J Kreitman
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA
| | - Bruce R Korf
- Department of Genetics, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Steven M Lipkin
- Department of Medicine and Program in Mendelian Genetics, Weill Cornell Medicine, New York, NY, USA
| | - Siham M Mahgoub
- Department of Medicine, Infectious Diseases Division, Howard University Hospital, Howard University College of Medicine, Washington, DC, USA
| | - Iman Mohammed
- Feil Family Brain and Mind Research Institute, Weill Cornell Medicine, New York, NY, USA
| | - Guilherme L Paschoalini
- Department of Medical Imaging, Hematology, and Oncology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Jennifer A Pacheco
- Center for Genetic Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Michael J Peluso
- Division of HIV, Infectious Diseases and Global Medicine, University of California, San Francisco, CA, USA
| | - Daniel J Rader
- Department of Genetics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - David T Redden
- Department of Biostatistics, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Marylyn D Ritchie
- Department of Genetics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Brooke Rosenblum
- Center for Precision Health Research, National Human Genome Research Institute, Bethesda, MD, USA
| | - M Elizabeth Ross
- Feil Family Brain and Mind Research Institute, Weill Cornell Medicine, New York, NY, USA
| | - Hanaisa P Sant Anna
- Laboratory of Genetic Susceptibility, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Sharon A Savage
- Clinical Genetics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Sudha Sharma
- Department of Biochemistry and Molecular Biology, National Human Genome Center, Howard University College of Medicine, Washington, DC, USA
| | - Eleni Siouti
- Laboratory of Immunobiology, Center for Clinical, Experimental Surgery and Translational Research, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | - Alicia K Smith
- Department of Gynecology and Obstetrics, Emory University School of Medicine, Atlanta, GA, USA
| | - Vasiliki Triantafyllia
- Laboratory of Immunobiology, Center for Clinical, Experimental Surgery and Translational Research, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | - Joselin M Vargas
- Laboratory of Translational Genomics, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Jose D Vargas
- Veterans Affairs Medical Center, Washington, DC, USA
| | - Anurag Verma
- Department of Genetics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Vibha Vij
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Duane R Wesemann
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Meredith Yeager
- Cancer Genomics Research Laboratory, Frederick National Laboratory for Cancer Research, Frederick, MD, USA
| | - Xu Yu
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, USA
| | - Yu Zhang
- Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, Bethesda, MD, USA
| | - Steeve Boulant
- Department of Molecular Genetics and Microbiology, College of Medicine, University of Florida, Gainesville, FL, USA
- Division of Cellular Polarity and Viral Infection, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Department of Infectious Diseases, Virology, University Hospital Heidelberg, Heidelberg, Germany
| | - Stephen J Chanock
- Laboratory of Genetic Susceptibility, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Jordan J Feld
- Toronto Centre for Liver Disease, Toronto General Hospital Research Institute, University Health Network, Toronto, Ontario, Canada
- Department of Immunology, University of Toronto, Toronto, Ontario, Canada
| | - Ludmila Prokunina-Olsson
- Laboratory of Translational Genomics, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA.
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15
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Mishra R, Kumawat KL, Basu A, Banerjea AC. Japanese Encephalitis Virus infection increases USP42 to stabilize TRIM21 and OAS1 for neuroinflammatory and anti-viral response in human microglia. Virology 2022; 573:131-140. [PMID: 35779335 DOI: 10.1016/j.virol.2022.06.012] [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: 02/16/2022] [Revised: 06/15/2022] [Accepted: 06/22/2022] [Indexed: 10/17/2022]
Abstract
Japanese Encephalitis Virus (JEV), a member virus of Flaviviridae family causes Japanese encephalitis (JE). JE is a mosquito-borne disease, spread mainly by Culex spp. During JE, dysregulated inflammatory responses play a central role in neuronal death and damage leading to Neuroinflammation. In this study, we show that JEV infection in human microglial cells (CHME3) reduces the cellular miR-590-3p levels. miR-590-3p could directly target the expression levels of USP42 (Ubiquitin Specific Peptidase 42) resulting in increased cellular levels of USP42 upon JEV infection. Our results suggest that USP42 stabilizes cellular TRIM21 via deubiquitinating them. We also established through various in vitro and in vivo experiments that increased USP42 can maintain a higher cellular level of both TRIM21 as well as OAS1. This study also suggests that TRIM21, independently of its RING domain, can increase USP42 level in a positive feedback loop and induces the cellular OAS1 levels in human microglial cells.
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Affiliation(s)
- Ritu Mishra
- Laboratory of Virology, National Institute of Immunology, Aruna Asaf Ali Road, New Delhi, 110067, India.
| | | | - Anirban Basu
- National Brain Research Centre, Manesar, Haryana, 122052, India.
| | - Akhil C Banerjea
- Laboratory of Virology, National Institute of Immunology, Aruna Asaf Ali Road, New Delhi, 110067, India.
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16
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Schäfer A, Leist SR, Gralinski LE, Martinez DR, Winkler ES, Okuda K, Hawkins PE, Gully KL, Graham RL, Scobey DT, Bell TA, Hock P, Shaw GD, Loome JF, Madden EA, Anderson E, Baxter VK, Taft-Benz SA, Zweigart MR, May SR, Dong S, Clark M, Miller DR, Lynch RM, Heise MT, Tisch R, Boucher RC, Pardo Manuel de Villena F, Montgomery SA, Diamond MS, Ferris MT, Baric RS. A Multitrait Locus Regulates Sarbecovirus Pathogenesis. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2022. [PMID: 35677067 DOI: 10.1101/2022.06.01.494461] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Infectious diseases have shaped the human population genetic structure, and genetic variation influences the susceptibility to many viral diseases. However, a variety of challenges have made the implementation of traditional human Genome-wide Association Studies (GWAS) approaches to study these infectious outcomes challenging. In contrast, mouse models of infectious diseases provide an experimental control and precision, which facilitates analyses and mechanistic studies of the role of genetic variation on infection. Here we use a genetic mapping cross between two distinct Collaborative Cross mouse strains with respect to SARS-CoV disease outcomes. We find several loci control differential disease outcome for a variety of traits in the context of SARS-CoV infection. Importantly, we identify a locus on mouse Chromosome 9 that shows conserved synteny with a human GWAS locus for SARS-CoV-2 severe disease. We follow-up and confirm a role for this locus, and identify two candidate genes, CCR9 and CXCR6 that both play a key role in regulating the severity of SARS-CoV, SARS-CoV-2 and a distantly related bat sarbecovirus disease outcomes. As such we provide a template for using experimental mouse crosses to identify and characterize multitrait loci that regulate pathogenic infectious outcomes across species.
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17
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Abstract
Coronavirus disease (COVID-19) is an infectious disease caused by a newly discovered coronavirus, severe acute respiratory syndrome-coronavirus-2 (SARS-CoV-2). There is growing evidence that host genetics play an important role in COVID-19 severity. Based on current knowledge about the human protein machinery for SARS-CoV-2 entry, the host innate immune response, and virus-host interactions, the potential effects of human genetic polymorphisms, which may contribute to clinical differences in SARS-CoV-2 pathogenesis, may help to determine the individual risk for COVID-19 infection and outcome.
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Affiliation(s)
- Joris R Delanghe
- Department of Diagnostic Sciences, Ghent University, Ghent, Belgium.
| | - Marijn M Speeckaert
- Department of Nephrology, Ghent University Hospital, Ghent, Belgium; Research Foundation-Flanders (FWO), Brussels, Belgium
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18
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Prashanth G, Vastrad B, Vastrad C, Kotrashetti S. Potential Molecular Mechanisms and Remdesivir Treatment for Acute Respiratory Syndrome Corona Virus 2 Infection/COVID 19 Through RNA Sequencing and Bioinformatics Analysis. Bioinform Biol Insights 2022; 15:11779322211067365. [PMID: 34992355 PMCID: PMC8725226 DOI: 10.1177/11779322211067365] [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: 09/16/2021] [Accepted: 11/29/2021] [Indexed: 11/27/2022] Open
Abstract
Introduction: Severe acute respiratory syndrome corona virus 2 (SARS-CoV-2) infections
(COVID 19) is a progressive viral infection that has been investigated
extensively. However, genetic features and molecular pathogenesis underlying
remdesivir treatment for SARS-CoV-2 infection remain unclear. Here, we used
bioinformatics to investigate the candidate genes associated in the
molecular pathogenesis of remdesivir-treated SARS-CoV-2-infected
patients. Methods: Expression profiling by high-throughput sequencing dataset (GSE149273) was
downloaded from the Gene Expression Omnibus, and the differentially
expressed genes (DEGs) in remdesivir-treated SARS-CoV-2 infection samples
and nontreated SARS-CoV-2 infection samples with an adjusted
P value of <.05 and a |log fold change| > 1.3
were first identified by limma in R software package. Next, pathway and gene
ontology (GO) enrichment analysis of these DEGs was performed. Then, the hub
genes were identified by the NetworkAnalyzer plugin and the other
bioinformatics approaches including protein-protein interaction network
analysis, module analysis, target gene—miRNA regulatory network, and target
gene—TF regulatory network. Finally, a receiver-operating characteristic
analysis was performed for diagnostic values associated with hub genes. Results: A total of 909 DEGs were identified, including 453 upregulated genes and 457
downregulated genes. As for the pathway and GO enrichment analysis, the
upregulated genes were mainly linked with influenza A and defense response,
whereas downregulated genes were mainly linked with drug
metabolism—cytochrome P450 and reproductive process. In addition, 10 hub
genes (VCAM1, IKBKE, STAT1, IL7R, ISG15, E2F1, ZBTB16, TFAP4, ATP6V1B1, and
APBB1) were identified. Receiver-operating characteristic analysis showed
that hub genes (CIITA, HSPA6, MYD88, SOCS3, TNFRSF10A, ADH1A, CACNA2D2,
DUSP9, FMO5, and PDE1A) had good diagnostic values. Conclusion: This study provided insights into the molecular mechanism of
remdesivir-treated SARS-CoV-2 infection that might be useful in further
investigations.
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Affiliation(s)
- G Prashanth
- Department of General Medicine, Basaveshwara Medical College, Chitradurga, India
| | - Basavaraj Vastrad
- Department of Biochemistry, Basaveshwar College of Pharmacy, Gadag, India
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19
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Sugrue JA, Bourke NM, O'Farrelly C. Type I Interferon and the Spectrum of Susceptibility to Viral Infection and Autoimmune Disease: A Shared Genomic Signature. Front Immunol 2021; 12:757249. [PMID: 34917078 PMCID: PMC8669998 DOI: 10.3389/fimmu.2021.757249] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 11/15/2021] [Indexed: 01/08/2023] Open
Abstract
Type I interferons (IFN-I) and their cognate receptor, the IFNAR1/2 heterodimer, are critical components of the innate immune system in humans. They have been widely explored in the context of viral infection and autoimmune disease where they play key roles in protection against infection or shaping disease pathogenesis. A false dichotomy has emerged in the study of IFN-I where interferons are thought of as either beneficial or pathogenic. This 'good or bad' viewpoint excludes more nuanced interpretations of IFN-I biology - for example, it is known that IFN-I is associated with the development of systemic lupus erythematosus, yet is also protective in the context of infectious diseases and contributes to resistance to viral infection. Studies have suggested that a shared transcriptomic signature underpins both potential resistance to viral infection and susceptibility to autoimmune disease. This seems to be particularly evident in females, who exhibit increased viral resistance and increased susceptibility to autoimmune disease. The molecular mechanisms behind such a signature and the role of sex in its determination have yet to be precisely defined. From a genomic perspective, several single nucleotide polymorphisms (SNPs) in the IFN-I pathway have been associated with both infectious and autoimmune disease. While overlap between infection and autoimmunity has been described in the incidence of these SNPs, it has been overlooked in work and discussion to date. Here, we discuss the possible contributions of IFN-Is to the pathogenesis of infectious and autoimmune diseases. We comment on genetic associations between common SNPs in IFN-I or their signalling molecules that point towards roles in protection against viral infection and susceptibility to autoimmunity and propose that a shared transcriptomic and genomic immunological signature may underlie resistance to viral infection and susceptibility to autoimmunity in humans. We believe that defining shared transcriptomic and genomic immunological signatures underlying resistance to viral infection and autoimmunity in humans will reveal new therapeutic targets and improved vaccine strategies, particularly in females.
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Affiliation(s)
- Jamie A Sugrue
- School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland
| | - Nollaig M Bourke
- Department of Medical Gerontology, School of Medicine, Trinity Translational Medicine Institute, Trinity College Dublin, Dublin, Ireland
| | - Cliona O'Farrelly
- School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland.,School of Medicine, Trinity College Dublin, Dublin, Ireland
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20
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Wickenhagen A, Sugrue E, Lytras S, Kuchi S, Noerenberg M, Turnbull ML, Loney C, Herder V, Allan J, Jarmson I, Cameron-Ruiz N, Varjak M, Pinto RM, Lee JY, Iselin L, Palmalux N, Stewart DG, Swingler S, Greenwood EJD, Crozier TWM, Gu Q, Davies EL, Clohisey S, Wang B, Trindade Maranhão Costa F, Freire Santana M, de Lima Ferreira LC, Murphy L, Fawkes A, Meynert A, Grimes G, Da Silva Filho JL, Marti M, Hughes J, Stanton RJ, Wang ECY, Ho A, Davis I, Jarrett RF, Castello A, Robertson DL, Semple MG, Openshaw PJM, Palmarini M, Lehner PJ, Baillie JK, Rihn SJ, Wilson SJ. A prenylated dsRNA sensor protects against severe COVID-19. Science 2021; 374:eabj3624. [PMID: 34581622 PMCID: PMC7612834 DOI: 10.1126/science.abj3624] [Citation(s) in RCA: 108] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Accepted: 09/23/2021] [Indexed: 12/11/2022]
Abstract
Inherited genetic factors can influence the severity of COVID-19, but the molecular explanation underpinning a genetic association is often unclear. Intracellular antiviral defenses can inhibit the replication of viruses and reduce disease severity. To better understand the antiviral defenses relevant to COVID-19, we used interferon-stimulated gene (ISG) expression screening to reveal that 2′-5′-oligoadenylate synthetase 1 (OAS1), through ribonuclease L, potently inhibits severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). We show that a common splice-acceptor single-nucleotide polymorphism (Rs10774671) governs whether patients express prenylated OAS1 isoforms that are membrane-associated and sense-specific regions of SARS-CoV-2 RNAs or if they only express cytosolic, nonprenylated OAS1 that does not efficiently detect SARS-CoV-2. In hospitalized patients, expression of prenylated OAS1 was associated with protection from severe COVID-19, suggesting that this antiviral defense is a major component of a protective antiviral response.
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Affiliation(s)
- Arthur Wickenhagen
- Medical Research Council–University of Glasgow Centre for Virus Research (CVR), Institute of Infection, Inflammation and Immunity, University of Glasgow, Glasgow, UK
| | - Elena Sugrue
- Medical Research Council–University of Glasgow Centre for Virus Research (CVR), Institute of Infection, Inflammation and Immunity, University of Glasgow, Glasgow, UK
| | - Spyros Lytras
- Medical Research Council–University of Glasgow Centre for Virus Research (CVR), Institute of Infection, Inflammation and Immunity, University of Glasgow, Glasgow, UK
| | - Srikeerthana Kuchi
- Medical Research Council–University of Glasgow Centre for Virus Research (CVR), Institute of Infection, Inflammation and Immunity, University of Glasgow, Glasgow, UK
| | - Marko Noerenberg
- Medical Research Council–University of Glasgow Centre for Virus Research (CVR), Institute of Infection, Inflammation and Immunity, University of Glasgow, Glasgow, UK
| | - Matthew L. Turnbull
- Medical Research Council–University of Glasgow Centre for Virus Research (CVR), Institute of Infection, Inflammation and Immunity, University of Glasgow, Glasgow, UK
| | - Colin Loney
- Medical Research Council–University of Glasgow Centre for Virus Research (CVR), Institute of Infection, Inflammation and Immunity, University of Glasgow, Glasgow, UK
| | - Vanessa Herder
- Medical Research Council–University of Glasgow Centre for Virus Research (CVR), Institute of Infection, Inflammation and Immunity, University of Glasgow, Glasgow, UK
| | - Jay Allan
- Medical Research Council–University of Glasgow Centre for Virus Research (CVR), Institute of Infection, Inflammation and Immunity, University of Glasgow, Glasgow, UK
| | - Innes Jarmson
- Medical Research Council–University of Glasgow Centre for Virus Research (CVR), Institute of Infection, Inflammation and Immunity, University of Glasgow, Glasgow, UK
| | - Natalia Cameron-Ruiz
- Medical Research Council–University of Glasgow Centre for Virus Research (CVR), Institute of Infection, Inflammation and Immunity, University of Glasgow, Glasgow, UK
| | - Margus Varjak
- Medical Research Council–University of Glasgow Centre for Virus Research (CVR), Institute of Infection, Inflammation and Immunity, University of Glasgow, Glasgow, UK
| | - Rute M. Pinto
- Medical Research Council–University of Glasgow Centre for Virus Research (CVR), Institute of Infection, Inflammation and Immunity, University of Glasgow, Glasgow, UK
| | - Jeffrey Y. Lee
- Department of Biochemistry, University of Oxford, Oxford, UK
| | - Louisa Iselin
- Medical Research Council–University of Glasgow Centre for Virus Research (CVR), Institute of Infection, Inflammation and Immunity, University of Glasgow, Glasgow, UK
- Department of Biochemistry, University of Oxford, Oxford, UK
- Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Natasha Palmalux
- Medical Research Council–University of Glasgow Centre for Virus Research (CVR), Institute of Infection, Inflammation and Immunity, University of Glasgow, Glasgow, UK
| | - Douglas G. Stewart
- Medical Research Council–University of Glasgow Centre for Virus Research (CVR), Institute of Infection, Inflammation and Immunity, University of Glasgow, Glasgow, UK
| | - Simon Swingler
- Medical Research Council–University of Glasgow Centre for Virus Research (CVR), Institute of Infection, Inflammation and Immunity, University of Glasgow, Glasgow, UK
| | - Edward J. D. Greenwood
- Cambridge Institute of Therapeutic Immunology and Infectious Disease, University of Cambridge, Cambridge, UK
| | - Thomas W. M. Crozier
- Cambridge Institute of Therapeutic Immunology and Infectious Disease, University of Cambridge, Cambridge, UK
| | - Quan Gu
- Medical Research Council–University of Glasgow Centre for Virus Research (CVR), Institute of Infection, Inflammation and Immunity, University of Glasgow, Glasgow, UK
| | - Emma L. Davies
- Medical Research Council–University of Glasgow Centre for Virus Research (CVR), Institute of Infection, Inflammation and Immunity, University of Glasgow, Glasgow, UK
| | - Sara Clohisey
- Roslin Institute, University of Edinburgh, Edinburgh, UK
| | - Bo Wang
- Roslin Institute, University of Edinburgh, Edinburgh, UK
| | - Fabio Trindade Maranhão Costa
- Laboratory of Tropical Diseases, Department of Genetics, Evolution, Microbiology and Immunology, Institute of Biology, University of Campinas, Campinas, Sao Paolo, Brazil
| | - Monique Freire Santana
- Department of Education and Research, Oncology Control Centre of Amazonas State (FCECON), Manaus, Amazonas, Brazil
| | - Luiz Carlos de Lima Ferreira
- Postgraduate Program in Tropical Medicine, Tropical Medicine Foundation Dr. Heitor Vieira Dourado, Manaus, Amazonas, Brazil
| | - Lee Murphy
- Edinburgh Clinical Research Facility, University of Edinburgh, Western General Hospital, Edinburgh, UK
| | - Angie Fawkes
- Edinburgh Clinical Research Facility, University of Edinburgh, Western General Hospital, Edinburgh, UK
| | - Alison Meynert
- Medical Research Council Human Genetics Unit, Institute of Genetics and Molecular Medicine, University of Edinburgh, Western General Hospital, Edinburgh, UK
| | - Graeme Grimes
- Medical Research Council Human Genetics Unit, Institute of Genetics and Molecular Medicine, University of Edinburgh, Western General Hospital, Edinburgh, UK
| | - ISARIC4C Investigators
- Medical Research Council–University of Glasgow Centre for Virus Research (CVR), Institute of Infection, Inflammation and Immunity, University of Glasgow, Glasgow, UK
- Department of Biochemistry, University of Oxford, Oxford, UK
- Nuffield Department of Medicine, University of Oxford, Oxford, UK
- Cambridge Institute of Therapeutic Immunology and Infectious Disease, University of Cambridge, Cambridge, UK
- Roslin Institute, University of Edinburgh, Edinburgh, UK
- Laboratory of Tropical Diseases, Department of Genetics, Evolution, Microbiology and Immunology, Institute of Biology, University of Campinas, Campinas, Sao Paolo, Brazil
- Department of Education and Research, Oncology Control Centre of Amazonas State (FCECON), Manaus, Amazonas, Brazil
- Postgraduate Program in Tropical Medicine, Tropical Medicine Foundation Dr. Heitor Vieira Dourado, Manaus, Amazonas, Brazil
- Edinburgh Clinical Research Facility, University of Edinburgh, Western General Hospital, Edinburgh, UK
- Medical Research Council Human Genetics Unit, Institute of Genetics and Molecular Medicine, University of Edinburgh, Western General Hospital, Edinburgh, UK
- Wellcome Centre for Molecular Parasitology, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, UK
- Division of Infection & Immunity, Cardiff University, Cardiff, UK
- NIHR Health Protection Research Unit for Emerging and Zoonotic Infections, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, UK
- Respiratory Medicine, Alder Hey Children’s Hospital, Liverpool, UK
- National Heart and Lung Institute, Imperial College London, London, UK
- Imperial College Healthcare, National Health Service Trust London, London, UK
- Intensive Care Unit, Royal Infirmary of Edinburgh, Edinburgh, UK
| | - Joao Luiz Da Silva Filho
- Wellcome Centre for Molecular Parasitology, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, UK
| | - Matthias Marti
- Wellcome Centre for Molecular Parasitology, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, UK
| | - Joseph Hughes
- Medical Research Council–University of Glasgow Centre for Virus Research (CVR), Institute of Infection, Inflammation and Immunity, University of Glasgow, Glasgow, UK
| | | | - Eddie C. Y. Wang
- Division of Infection & Immunity, Cardiff University, Cardiff, UK
| | - Antonia Ho
- Medical Research Council–University of Glasgow Centre for Virus Research (CVR), Institute of Infection, Inflammation and Immunity, University of Glasgow, Glasgow, UK
| | - Ilan Davis
- Department of Biochemistry, University of Oxford, Oxford, UK
| | - Ruth F. Jarrett
- Medical Research Council–University of Glasgow Centre for Virus Research (CVR), Institute of Infection, Inflammation and Immunity, University of Glasgow, Glasgow, UK
| | - Alfredo Castello
- Medical Research Council–University of Glasgow Centre for Virus Research (CVR), Institute of Infection, Inflammation and Immunity, University of Glasgow, Glasgow, UK
| | - David L. Robertson
- Medical Research Council–University of Glasgow Centre for Virus Research (CVR), Institute of Infection, Inflammation and Immunity, University of Glasgow, Glasgow, UK
| | - Malcolm G. Semple
- NIHR Health Protection Research Unit for Emerging and Zoonotic Infections, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, UK
- Respiratory Medicine, Alder Hey Children’s Hospital, Liverpool, UK
| | - Peter J. M. Openshaw
- National Heart and Lung Institute, Imperial College London, London, UK
- Imperial College Healthcare, National Health Service Trust London, London, UK
| | - Massimo Palmarini
- Medical Research Council–University of Glasgow Centre for Virus Research (CVR), Institute of Infection, Inflammation and Immunity, University of Glasgow, Glasgow, UK
| | - Paul J. Lehner
- Cambridge Institute of Therapeutic Immunology and Infectious Disease, University of Cambridge, Cambridge, UK
| | - J. Kenneth Baillie
- Roslin Institute, University of Edinburgh, Edinburgh, UK
- Medical Research Council Human Genetics Unit, Institute of Genetics and Molecular Medicine, University of Edinburgh, Western General Hospital, Edinburgh, UK
- Intensive Care Unit, Royal Infirmary of Edinburgh, Edinburgh, UK
| | - Suzannah J. Rihn
- Medical Research Council–University of Glasgow Centre for Virus Research (CVR), Institute of Infection, Inflammation and Immunity, University of Glasgow, Glasgow, UK
| | - Sam J. Wilson
- Medical Research Council–University of Glasgow Centre for Virus Research (CVR), Institute of Infection, Inflammation and Immunity, University of Glasgow, Glasgow, UK
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21
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Abstract
[Figure: see text].
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Affiliation(s)
- John Schoggins
- Department of Microbiology, UT Southwestern Medical Center, Dallas, TX, USA
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22
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Keegan NP, Fletcher S. A spotter's guide to SNPtic exons: The common splice variants underlying some SNP-phenotype correlations. Mol Genet Genomic Med 2021; 10:e1840. [PMID: 34708937 PMCID: PMC8801146 DOI: 10.1002/mgg3.1840] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 10/12/2021] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Cryptic exons are typically characterised as deleterious splicing aberrations caused by deep intronic mutations. However, low-level splicing of cryptic exons is sometimes observed in the absence of any pathogenic mutation. Five recent reports have described how low-level splicing of cryptic exons can be modulated by common single-nucleotide polymorphisms (SNPs), resulting in phenotypic differences amongst different genotypes. METHODS We sought to investigate whether additional 'SNPtic' exons may exist, and whether these could provide an explanatory mechanism for some of the genotype-phenotype correlations revealed by genome-wide association studies. We thoroughly searched the literature for reported cryptic exons, cross-referenced their genomic coordinates against the dbSNP database of common SNPs, then screened out SNPs with no reported phenotype associations. RESULTS This method discovered five probable SNPtic exons in the genes APC, FGB, GHRL, MYPBC3 and OTC. For four of these five exons, we observed that the phenotype associated with the SNP was compatible with the predicted splicing effect of the nucleotide change, whilst the fifth (in GHRL) likely had a more complex splice-switching effect. CONCLUSION Application of our search methods could augment the knowledge value of future cryptic exon reports and aid in generating better hypotheses for genome-wide association studies.
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Affiliation(s)
- Niall Patrick Keegan
- Murdoch University, Murdoch, Western Australia, Australia.,Centre for Molecular Medicine and Innovative Therapeutics, Perth, Western Australia, Australia.,Perron Institute, Perth, Western Australia, Australia
| | - Sue Fletcher
- Murdoch University, Murdoch, Western Australia, Australia.,Centre for Molecular Medicine and Innovative Therapeutics, Perth, Western Australia, Australia.,University of Western Australia, Perth, Western Australia, Australia
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23
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Ferraris P, Wichit S, Cordel N, Missé D. Human host genetics and susceptibility to ZIKV infection. INFECTION GENETICS AND EVOLUTION 2021; 95:105066. [PMID: 34487865 DOI: 10.1016/j.meegid.2021.105066] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Revised: 08/29/2021] [Accepted: 09/01/2021] [Indexed: 12/26/2022]
Abstract
Managing emerging infectious diseases is a current challenge in the fields of microbiology and epidemiology. Indeed, among other environmental and human-related factors, climate change and global warming favor the emergence of new pathogens. The recent Zika virus (ZIKV) epidemic, of which the large and rapid spread surprised the scientific community, is a reminder of the importance to study viruses currently responsible for sporadic infections. Increasing our knowledge of key factors involved in emerging infections is essential to implement specific monitoring that can be oriented according to the pathogen, targeted population, or at-risk environment. Recent technological developments, such as high-throughput sequencing, genome-wide association studies and CRISPR screenings have allowed the identification of human single nucleotide polymorphisms (SNPs) involved in infectious disease outcome. This review focuses on the human genetic host factors that have been identified and shown to be associated with the pathogenesis of ZIKV infection and candidate SNP targets.
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Affiliation(s)
- Pauline Ferraris
- MIVEGEC, Univ. Montpellier, IRD, CNRS, 34394 Montpellier, France.
| | - Sineewanlaya Wichit
- Department of Clinical Microbiology and Applied Technology, Faculty of Medical Technology, Mahidol University, Nakhon Pathom 73170, Thailand
| | - Nadège Cordel
- Guadeloupe University Hospital, Department of Dermatology and Clinical Immunology, Pointe-à-Pitre, Guadeloupe and Normandie University, UNIROUEN, IRIB, Inserm, U1234, Rouen, France
| | - Dorothée Missé
- MIVEGEC, Univ. Montpellier, IRD, CNRS, 34394 Montpellier, France
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24
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Vavougios GD, Breza M, Mavridis T, Krogfelt KA. FYN, SARS-CoV-2, and IFITM3 in the neurobiology of Alzheimer's disease. BRAIN DISORDERS 2021. [DOI: 10.1016/j.dscb.2021.100022] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
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25
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Gokhale NS, Smith JR, Van Gelder RD, Savan R. RNA regulatory mechanisms that control antiviral innate immunity. Immunol Rev 2021; 304:77-96. [PMID: 34405416 DOI: 10.1111/imr.13019] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 07/29/2021] [Accepted: 08/02/2021] [Indexed: 12/21/2022]
Abstract
From the initial sensing of viral nucleotides by pattern recognition receptors, through the induction of type I and III interferons (IFN), upregulation of antiviral effector proteins, and resolution of the inflammatory response, each step of innate immune signaling is under tight control. Though innate immunity is often associated with broad regulation at the level of gene transcription, RNA-centric post-transcriptional processes have emerged as critical mechanisms for ensuring a proper antiviral response. Here, we explore the diverse RNA regulatory mechanisms that modulate the innate antiviral immune response, with a focus on RNA sensing by RIG-I-like receptors (RLR), interferon (IFN) and IFN signaling pathways, viral pathogenesis, and host genetic variation that contributes to these processes. We address the post-transcriptional interactions with RNA-binding proteins, non-coding RNAs, transcript elements, and modifications that control mRNA stability, as well as alternative splicing events that modulate the innate immune antiviral response.
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Affiliation(s)
- Nandan S Gokhale
- Department of Immunology, School of Medicine, University of Washington, Seattle, Washington, USA
| | - Julian R Smith
- Department of Immunology, School of Medicine, University of Washington, Seattle, Washington, USA
| | - Rachel D Van Gelder
- Department of Immunology, School of Medicine, University of Washington, Seattle, Washington, USA
| | - Ram Savan
- Department of Immunology, School of Medicine, University of Washington, Seattle, Washington, USA
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26
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Soveg FW, Schwerk J, Gokhale NS, Cerosaletti K, Smith JR, Pairo-Castineira E, Kell AM, Forero A, Zaver SA, Esser-Nobis K, Roby JA, Hsiang TY, Ozarkar S, Clingan JM, McAnarney ET, Stone AEL, Malhotra U, Speake C, Perez J, Balu C, Allenspach EJ, Hyde JL, Menachery VD, Sarkar SN, Woodward JJ, Stetson DB, Baillie JK, Buckner JH, Gale M, Savan R. Endomembrane targeting of human OAS1 p46 augments antiviral activity. eLife 2021; 10:e71047. [PMID: 34342578 PMCID: PMC8357416 DOI: 10.7554/elife.71047] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 06/11/2021] [Indexed: 12/14/2022] Open
Abstract
Many host RNA sensors are positioned in the cytosol to detect viral RNA during infection. However, most positive-strand RNA viruses replicate within a modified organelle co-opted from intracellular membranes of the endomembrane system, which shields viral products from cellular innate immune sensors. Targeting innate RNA sensors to the endomembrane system may enhance their ability to sense RNA generated by viruses that use these compartments for replication. Here, we reveal that an isoform of oligoadenylate synthetase 1, OAS1 p46, is prenylated and targeted to the endomembrane system. Membrane localization of OAS1 p46 confers enhanced access to viral replication sites and results in increased antiviral activity against a subset of RNA viruses including flaviviruses, picornaviruses, and SARS-CoV-2. Finally, our human genetic analysis shows that the OAS1 splice-site SNP responsible for production of the OAS1 p46 isoform correlates with protection from severe COVID-19. This study highlights the importance of endomembrane targeting for the antiviral specificity of OAS1 and suggests that early control of SARS-CoV-2 replication through OAS1 p46 is an important determinant of COVID-19 severity.
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Affiliation(s)
- Frank W Soveg
- Department of Immunology, School of Medicine, University of WashingtonSeattleUnited States
- Center for Innate Immunity and Immune Disease, University of WashingtonSeattleUnited States
| | - Johannes Schwerk
- Department of Immunology, School of Medicine, University of WashingtonSeattleUnited States
- Center for Innate Immunity and Immune Disease, University of WashingtonSeattleUnited States
| | - Nandan S Gokhale
- Department of Immunology, School of Medicine, University of WashingtonSeattleUnited States
- Center for Innate Immunity and Immune Disease, University of WashingtonSeattleUnited States
| | | | - Julian R Smith
- Department of Immunology, School of Medicine, University of WashingtonSeattleUnited States
- Center for Innate Immunity and Immune Disease, University of WashingtonSeattleUnited States
| | | | - Alison M Kell
- Department of Immunology, School of Medicine, University of WashingtonSeattleUnited States
- Center for Innate Immunity and Immune Disease, University of WashingtonSeattleUnited States
- Department of Molecular Genetics and Microbiology, School of Medicine, University of New MexicoAlbuquerqueUnited States
| | - Adriana Forero
- Department of Immunology, School of Medicine, University of WashingtonSeattleUnited States
- Center for Innate Immunity and Immune Disease, University of WashingtonSeattleUnited States
- Department of Microbial Infection and Immunity, College of Medicine, The Ohio State UniversityColumbusUnited States
| | - Shivam A Zaver
- Department of Microbiology, School of Medicine, University of WashingtonSeattleUnited States
| | - Katharina Esser-Nobis
- Department of Immunology, School of Medicine, University of WashingtonSeattleUnited States
- Center for Innate Immunity and Immune Disease, University of WashingtonSeattleUnited States
| | - Justin A Roby
- Department of Immunology, School of Medicine, University of WashingtonSeattleUnited States
- Center for Innate Immunity and Immune Disease, University of WashingtonSeattleUnited States
| | - Tien-Ying Hsiang
- Department of Immunology, School of Medicine, University of WashingtonSeattleUnited States
- Center for Innate Immunity and Immune Disease, University of WashingtonSeattleUnited States
| | - Snehal Ozarkar
- Department of Immunology, School of Medicine, University of WashingtonSeattleUnited States
- Center for Innate Immunity and Immune Disease, University of WashingtonSeattleUnited States
| | - Jonathan M Clingan
- Department of Immunology, School of Medicine, University of WashingtonSeattleUnited States
- Center for Innate Immunity and Immune Disease, University of WashingtonSeattleUnited States
| | - Eileen T McAnarney
- Department of Microbiology and Immunology, University of Texas Medical CenterGalvestonUnited States
| | - Amy EL Stone
- Department of Immunology, School of Medicine, University of WashingtonSeattleUnited States
- Center for Innate Immunity and Immune Disease, University of WashingtonSeattleUnited States
- Department of Basic Sciences, College of Osteopathic Medicine, Touro University NevadaHendersonUnited States
| | - Uma Malhotra
- Department of Infectious Disease, Virginia Mason Medical CenterSeattleUnited States
- Department of Medicine, Section of Infectious Diseases, University of WashingtonSeattleUnited States
| | - Cate Speake
- Benaroya Research Institute at Virginia MasonSeattleUnited States
| | - Joseph Perez
- Cancer Virology Program, University of Pittsburgh Cancer Institute, University of PittsburghPittsburghUnited States
| | - Chiraag Balu
- Department of Immunology, School of Medicine, University of WashingtonSeattleUnited States
- Center for Innate Immunity and Immune Disease, University of WashingtonSeattleUnited States
| | - Eric J Allenspach
- Center for Immunity and Immunotherapies, Seattle Children's Research InstituteSeattleUnited States
| | - Jennifer L Hyde
- Department of Microbial Infection and Immunity, College of Medicine, The Ohio State UniversityColumbusUnited States
| | - Vineet D Menachery
- Department of Microbiology and Immunology, University of Texas Medical CenterGalvestonUnited States
| | - Saumendra N Sarkar
- Cancer Virology Program, University of Pittsburgh Cancer Institute, University of PittsburghPittsburghUnited States
| | - Joshua J Woodward
- Center for Innate Immunity and Immune Disease, University of WashingtonSeattleUnited States
- Department of Microbiology, School of Medicine, University of WashingtonSeattleUnited States
| | - Daniel B Stetson
- Department of Immunology, School of Medicine, University of WashingtonSeattleUnited States
- Center for Innate Immunity and Immune Disease, University of WashingtonSeattleUnited States
| | - John Kenneth Baillie
- Roslin Institute, University of EdinburghEdinburghUnited Kingdom
- MRC Human Genetics Unit, Institute of Genetics and Molecular Medicine, University of Edinburgh, Western General HospitalEdinburghUnited Kingdom
| | - Jane H Buckner
- Benaroya Research Institute at Virginia MasonSeattleUnited States
| | - Michael Gale
- Department of Immunology, School of Medicine, University of WashingtonSeattleUnited States
- Center for Innate Immunity and Immune Disease, University of WashingtonSeattleUnited States
| | - Ram Savan
- Department of Immunology, School of Medicine, University of WashingtonSeattleUnited States
- Center for Innate Immunity and Immune Disease, University of WashingtonSeattleUnited States
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27
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Prokop JW, Hartog NL, Chesla D, Faber W, Love CP, Karam R, Abualkheir N, Feldmann B, Teng L, McBride T, Leimanis ML, English BK, Holsworth A, Frisch A, Bauss J, Kalpage N, Derbedrossian A, Pinti RM, Hale N, Mills J, Eby A, VanSickle EA, Pageau SC, Shankar R, Chen B, Carcillo JA, Sanfilippo D, Olivero R, Bupp CP, Rajasekaran S. High-Density Blood Transcriptomics Reveals Precision Immune Signatures of SARS-CoV-2 Infection in Hospitalized Individuals. Front Immunol 2021; 12:694243. [PMID: 34335605 PMCID: PMC8322982 DOI: 10.3389/fimmu.2021.694243] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Accepted: 06/30/2021] [Indexed: 12/27/2022] Open
Abstract
The immune response to COVID-19 infection is variable. How COVID-19 influences clinical outcomes in hospitalized patients needs to be understood through readily obtainable biological materials, such as blood. We hypothesized that a high-density analysis of host (and pathogen) blood RNA in hospitalized patients with SARS-CoV-2 would provide mechanistic insights into the heterogeneity of response amongst COVID-19 patients when combined with advanced multidimensional bioinformatics for RNA. We enrolled 36 hospitalized COVID-19 patients (11 died) and 15 controls, collecting 74 blood PAXgene RNA tubes at multiple timepoints, one early and in 23 patients after treatment with various therapies. Total RNAseq was performed at high-density, with >160 million paired-end, 150 base pair reads per sample, representing the most sequenced bases per sample for any publicly deposited blood PAXgene tube study. There are 770 genes significantly altered in the blood of COVID-19 patients associated with antiviral defense, mitotic cell cycle, type I interferon signaling, and severe viral infections. Immune genes activated include those associated with neutrophil mechanisms, secretory granules, and neutrophil extracellular traps (NETs), along with decreased gene expression in lymphocytes and clonal expansion of the acquired immune response. Therapies such as convalescent serum and dexamethasone reduced many of the blood expression signatures of COVID-19. Severely ill or deceased patients are marked by various secondary infections, unique gene patterns, dysregulated innate response, and peripheral organ damage not otherwise found in the cohort. High-density transcriptomic data offers shared gene expression signatures, providing unique insights into the immune system and individualized signatures of patients that could be used to understand the patient’s clinical condition. Whole blood transcriptomics provides patient-level insights for immune activation, immune repertoire, and secondary infections that can further guide precision treatment.
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Affiliation(s)
- Jeremy W Prokop
- Department of Pediatrics and Human Development, College of Human Medicine, Michigan State University, Grand Rapids, MI, United States.,Department of Pharmacology and Toxicology, Michigan State University, East Lansing, MI, United States
| | - Nicholas L Hartog
- Department of Pediatrics and Human Development, College of Human Medicine, Michigan State University, Grand Rapids, MI, United States.,Allergy & Immunology, Spectrum Health, Grand Rapids, MI, United States
| | - Dave Chesla
- Office of Research, Spectrum Health, Grand Rapids, MI, United States.,Department of Obstetrics, Gynecology and Reproductive Biology, College of Human Medicine, Michigan State University, Grand Rapids, MI, United States
| | - William Faber
- Physical Sciences, Grand Rapids Community College, Grand Rapids, MI, United States
| | - Chanise P Love
- Office of Research, Spectrum Health, Grand Rapids, MI, United States
| | | | | | | | - Li Teng
- Ambry Genetics, Aliso Viejo, CA, United States
| | | | - Mara L Leimanis
- Department of Pediatrics and Human Development, College of Human Medicine, Michigan State University, Grand Rapids, MI, United States.,Pediatric Intensive Care Unit, Helen DeVos Children's Hospital, Grand Rapids, MI, United States
| | - B Keith English
- Department of Pediatrics and Human Development, College of Human Medicine, Michigan State University, Grand Rapids, MI, United States
| | - Amanda Holsworth
- Allergy & Immunology, Spectrum Health, Grand Rapids, MI, United States
| | - Austin Frisch
- Department of Pediatrics and Human Development, College of Human Medicine, Michigan State University, Grand Rapids, MI, United States
| | - Jacob Bauss
- Department of Pediatrics and Human Development, College of Human Medicine, Michigan State University, Grand Rapids, MI, United States
| | - Nathisha Kalpage
- Department of Pediatrics and Human Development, College of Human Medicine, Michigan State University, Grand Rapids, MI, United States
| | - Aram Derbedrossian
- Department of Pediatrics and Human Development, College of Human Medicine, Michigan State University, Grand Rapids, MI, United States
| | - Ryan M Pinti
- Department of Pediatrics and Human Development, College of Human Medicine, Michigan State University, Grand Rapids, MI, United States
| | - Nicole Hale
- The Department of Chemistry and Biochemistry, Calvin University, Grand Rapids, MI, United States
| | - Joshua Mills
- Department of Biology, Grand Valley State University, Allendale, MI, United States
| | - Alexandra Eby
- Department of Science, Davenport University, Grand Rapids, MI, United States
| | | | - Spencer C Pageau
- Office of Research, Spectrum Health, Grand Rapids, MI, United States
| | - Rama Shankar
- Department of Pediatrics and Human Development, College of Human Medicine, Michigan State University, Grand Rapids, MI, United States.,Department of Pharmacology and Toxicology, Michigan State University, East Lansing, MI, United States
| | - Bin Chen
- Department of Pediatrics and Human Development, College of Human Medicine, Michigan State University, Grand Rapids, MI, United States.,Department of Pharmacology and Toxicology, Michigan State University, East Lansing, MI, United States
| | - Joseph A Carcillo
- Department of Critical Care Medicine and Pediatrics, Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States
| | - Dominic Sanfilippo
- Department of Pediatrics and Human Development, College of Human Medicine, Michigan State University, Grand Rapids, MI, United States.,Pediatric Intensive Care Unit, Helen DeVos Children's Hospital, Grand Rapids, MI, United States
| | - Rosemary Olivero
- Department of Pediatrics and Human Development, College of Human Medicine, Michigan State University, Grand Rapids, MI, United States.,Infectious Disease, Helen DeVos Children's Hospital, Grand Rapids, MI, United States
| | - Caleb P Bupp
- Department of Pediatrics and Human Development, College of Human Medicine, Michigan State University, Grand Rapids, MI, United States.,Medical Genetics, Spectrum Health Medical Genetics, Grand Rapids, MI, United States
| | - Surender Rajasekaran
- Department of Pediatrics and Human Development, College of Human Medicine, Michigan State University, Grand Rapids, MI, United States.,Office of Research, Spectrum Health, Grand Rapids, MI, United States.,Pediatric Intensive Care Unit, Helen DeVos Children's Hospital, Grand Rapids, MI, United States
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28
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Banday AR, Stanifer ML, Florez-Vargas O, Onabajo OO, Zahoor MA, Papenberg BW, Ring TJ, Lee CH, Andreakos E, Arons E, Barsh G, Biesecker LG, Boyle DL, Burnett-Hartman A, Carrington M, Chang E, Choe PG, Chrisholm RL, Dalgard C, Edberg J, Erdmann N, Feigelson HS, Firestein GS, Gehring AJ, Ho M, Holland S, Hutchinson AA, Im H, Ison MG, Kim HB, Kreitman RJ, Korf BR, Mirabello L, Pacheco JA, Peluso MJ, Rader DJ, Redden DT, Ritchie MD, Rosenbloom B, Sant Anna HP, Savage S, Siouti E, Triantafyllia V, Vargas JM, Verma A, Vij V, Wesemann DR, Yeager M, Yu X, Zhang Y, Boulant S, Chanock SJ, Feld JJ, Prokunina-Olsson L. Genetic regulation of OAS1 nonsense-mediated decay underlies association with risk of severe COVID-19. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2021:2021.07.09.21260221. [PMID: 34282422 PMCID: PMC8288155 DOI: 10.1101/2021.07.09.21260221] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Genomic regions have been associated with COVID-19 susceptibility and outcomes, including the chr12q24.13 locus encoding antiviral proteins OAS1-3. Here, we report genetic, functional, and clinical insights into genetic associations within this locus. In Europeans, the risk of hospitalized vs. non-hospitalized COVID-19 was associated with a single 19Kb-haplotype comprised of 76 OAS1 variants included in a 95% credible set within a large genomic fragment introgressed from Neandertals. The risk haplotype was also associated with impaired spontaneous but not treatment-induced SARS-CoV-2 clearance in a clinical trial with pegIFN-λ1. We demonstrate that two exonic variants, rs10774671 and rs1131454, affect splicing and nonsense-mediated decay of OAS1 . We suggest that genetically-regulated loss of OAS1 expression contributes to impaired spontaneous clearance of SARS-CoV-2 and elevated risk of hospitalization for COVID-19. Our results provide the rationale for further clinical studies using interferons to compensate for impaired spontaneous SARS-CoV-2 clearance, particularly in carriers of the OAS1 risk haplotypes.
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Affiliation(s)
- A Rouf Banday
- Laboratory of Translational Genomics, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Megan L Stanifer
- Department of Infectious Diseases, Molecular Virology, University Hospital Heidelberg, Heidelberg, Germany
| | - Oscar Florez-Vargas
- Laboratory of Translational Genomics, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Olusegun O Onabajo
- Laboratory of Translational Genomics, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Muhammad A Zahoor
- Toronto Centre for Liver Disease, Toronto General Hospital Research Institute, University Health Network, Toronto, ON, Canada
- Department of Immunology, University of Toronto, Toronto, ON, Canada
| | - Brenen W Papenberg
- Laboratory of Translational Genomics, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Timothy J Ring
- Laboratory of Translational Genomics, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Chia-Han Lee
- Laboratory of Translational Genomics, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Evangelos Andreakos
- Laboratory of Immunobiology, Center for Clinical, Experimental Surgery and Translational Research, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | - Evgeny Arons
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA
| | - Greg Barsh
- HudsonAlpha Institute for Biotechnology, Huntsville, AL, USA
| | - Leslie G Biesecker
- Center for Precision Health Research, National Human Genome Research Institute, Bethesda, MD, USA
| | - David L Boyle
- Altman Clinical & Translational Research Institute, University of California San Diego Health Sciences, San Diego, CA, USA
| | | | - Mary Carrington
- Basic Science Program, Frederick National Laboratory for Cancer Research, National Cancer Institute, Frederick, MD, USA
- Laboratory of Integrative Cancer Immunology, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, USA
| | - Euijin Chang
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Pyoeng Gyun Choe
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Rex L Chrisholm
- Center for Genetic Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Clifton Dalgard
- Uniformed Services University of the Health Sciences, Bethesda, MD, USA
| | - Jeff Edberg
- Department of Medicine, Division of Clinical Immunology and Rheumatology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Nathan Erdmann
- Department of Medicine, Division of Infectious Diseases, University of Alabama at Birmingham, Birmingham, AL, USA
| | | | - Gary S Firestein
- Altman Clinical & Translational Research Institute, University of California San Diego Health Sciences, San Diego, CA, USA
| | - Adam J Gehring
- Toronto Centre for Liver Disease, Toronto General Hospital Research Institute, University Health Network, Toronto, ON, Canada
- Department of Immunology, University of Toronto, Toronto, ON, Canada
| | - Michelle Ho
- Laboratory of Translational Genomics, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Steven Holland
- Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, Bethesda, MD, USA
| | - Amy A Hutchinson
- Cancer Genomics Research Laboratory, Frederick National Laboratory for Cancer Research, Frederick, MD, USA
| | - Hogune Im
- Genome Opinion Inc, Seoul, Republic of Korea
| | - Michael G Ison
- Divisions of Infectious Diseases and Organ Transplantation, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Hong Bin Kim
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - Robert J Kreitman
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA
| | - Bruce R Korf
- Department of Genetics, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Lisa Mirabello
- Clinical Genetics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Jennifer A Pacheco
- Center for Genetic Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Michael J Peluso
- Division of HIV, Infectious Diseases and Global Medicine, University of California, San Francisco, CA, USA
| | - Daniel J Rader
- Department of Genetics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - David T Redden
- Department of Biostatistics, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Marylyn D Ritchie
- Department of Genetics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Brooke Rosenbloom
- Center for Precision Health Research, National Human Genome Research Institute, Bethesda, MD, USA
| | - Hanaisa P Sant Anna
- Laboratory of Genetic Susceptibility, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Sharon Savage
- Clinical Genetics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Eleni Siouti
- Laboratory of Immunobiology, Center for Clinical, Experimental Surgery and Translational Research, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | - Vasiliki Triantafyllia
- Laboratory of Immunobiology, Center for Clinical, Experimental Surgery and Translational Research, Biomedical Research Foundation of the Academy of Athens, Athens
| | - Joselin M Vargas
- Laboratory of Translational Genomics, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Anurag Verma
- Department of Genetics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Vibha Vij
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Duane R Wesemann
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA
| | - Meredith Yeager
- Cancer Genomics Research Laboratory, Frederick National Laboratory for Cancer Research, Frederick, MD, USA
| | - Xu Yu
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, USA
| | - Yu Zhang
- Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, Bethesda, MD, USA
| | - Steeve Boulant
- Division of Cellular Polarity and Viral Infection, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Department of Infectious Diseases, Virology, University Hospital Heidelberg, Heidelberg, Germany
| | - Stephen J Chanock
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Jordan J Feld
- Toronto Centre for Liver Disease, Toronto General Hospital Research Institute, University Health Network, Toronto, ON, Canada
- Department of Immunology, University of Toronto, Toronto, ON, Canada
| | - Ludmila Prokunina-Olsson
- Laboratory of Translational Genomics, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
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29
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Magg T, Okano T, Koenig LM, Boehmer DFR, Schwartz SL, Inoue K, Heimall J, Licciardi F, Ley-Zaporozhan J, Ferdman RM, Caballero-Oteyza A, Park EN, Calderon BM, Dey D, Kanegane H, Cho K, Montin D, Reiter K, Griese M, Albert MH, Rohlfs M, Gray P, Walz C, Conn GL, Sullivan KE, Klein C, Morio T, Hauck F. Heterozygous OAS1 gain-of-function variants cause an autoinflammatory immunodeficiency. Sci Immunol 2021; 6:eabf9564. [PMID: 34145065 PMCID: PMC8392508 DOI: 10.1126/sciimmunol.abf9564] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Accepted: 05/06/2021] [Indexed: 12/13/2022]
Abstract
Analysis of autoinflammatory and immunodeficiency disorders elucidates human immunity and fosters the development of targeted therapies. Oligoadenylate synthetase 1 is a type I interferon-induced, intracellular double-stranded RNA (dsRNA) sensor that generates 2'-5'-oligoadenylate to activate ribonuclease L (RNase L) as a means of antiviral defense. We identified four de novo heterozygous OAS1 gain-of-function variants in six patients with a polymorphic autoinflammatory immunodeficiency characterized by recurrent fever, dermatitis, inflammatory bowel disease, pulmonary alveolar proteinosis, and hypogammaglobulinemia. To establish causality, we applied genetic, molecular dynamics simulation, biochemical, and cellular functional analyses in heterologous, autologous, and inducible pluripotent stem cell-derived macrophages and/or monocytes and B cells. We found that upon interferon-induced expression, OAS1 variant proteins displayed dsRNA-independent activity, which resulted in RNase L-mediated RNA cleavage, transcriptomic alteration, translational arrest, and dysfunction and apoptosis of monocytes, macrophages, and B cells. RNase L inhibition with curcumin modulated and allogeneic hematopoietic cell transplantation cured the disorder. Together, these data suggest that human OAS1 is a regulator of interferon-induced hyperinflammatory monocyte, macrophage, and B cell pathophysiology.
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Affiliation(s)
- Thomas Magg
- Department of Pediatrics, Dr. von Hauner Children's Hospital, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Tsubasa Okano
- Department of Pediatrics and Developmental Biology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Lars M Koenig
- Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Daniel F R Boehmer
- Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Samantha L Schwartz
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA, USA
- Graduate Program in Biochemistry, Cell and Developmental Biology, Graduate Division of Biological and Biomedical Sciences, Emory University, Atlanta, GA, USA
| | - Kento Inoue
- Department of Pediatrics and Developmental Biology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Jennifer Heimall
- Department of Allergy Immunology, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Francesco Licciardi
- Department of Pediatric and Public Health Sciences, University of Torino, Regina Margherita Children's Hospital, AOU Città della Salute e della Scienza di Torino, Turin, Italy
| | - Julia Ley-Zaporozhan
- Department of Radiology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Ronald M Ferdman
- Division of Clinical Immunology and Allergy, Children's Hospital Los Angeles, Los Angeles, CA, USA
| | - Andrés Caballero-Oteyza
- Centre for Chronic Immunodeficiency (CCI) and Institute for Immunodeficiency (IFI), University Hospital Freiburg, Freiburg, Germany
| | - Esther N Park
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA, USA
| | - Brenda M Calderon
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA, USA
- Graduate Program in Biochemistry, Cell and Developmental Biology, Graduate Division of Biological and Biomedical Sciences, Emory University, Atlanta, GA, USA
| | - Debayan Dey
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA, USA
| | - Hirokazu Kanegane
- Department of Pediatrics and Developmental Biology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Kazutoshi Cho
- Maternity and Perinatal Care Center, Hokkaido University Hospital, Hokkaido, Japan
| | - Davide Montin
- Department of Pediatric and Public Health Sciences, University of Torino, Regina Margherita Children's Hospital, AOU Città della Salute e della Scienza di Torino, Turin, Italy
| | - Karl Reiter
- Department of Pediatrics, Dr. von Hauner Children's Hospital, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Matthias Griese
- Department of Pediatrics, Dr. von Hauner Children's Hospital, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
- German Center for Lung Research (DZL), Munich, Germany
| | - Michael H Albert
- Department of Pediatrics, Dr. von Hauner Children's Hospital, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Meino Rohlfs
- Department of Pediatrics, Dr. von Hauner Children's Hospital, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Paul Gray
- Department of Immunology and Infectious Disease, Sydney Children's Hospital, Sydney, NSW, Australia
| | - Christoph Walz
- Institute of Pathology, Faculty of Medicine, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Graeme L Conn
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA, USA
- Graduate Program in Biochemistry, Cell and Developmental Biology, Graduate Division of Biological and Biomedical Sciences, Emory University, Atlanta, GA, USA
| | - Kathleen E Sullivan
- Department of Allergy Immunology, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Christoph Klein
- Department of Pediatrics, Dr. von Hauner Children's Hospital, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
- German Centre for Infection Research (DZIF), Munich, Germany
- Munich Centre for Rare Diseases (M-ZSE), University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Tomohiro Morio
- Department of Pediatrics and Developmental Biology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan.
| | - Fabian Hauck
- Department of Pediatrics, Dr. von Hauner Children's Hospital, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany.
- German Centre for Infection Research (DZIF), Munich, Germany
- Munich Centre for Rare Diseases (M-ZSE), University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
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30
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Sánchez-González MT, Cienfuegos-Jiménez O, Álvarez-Cuevas S, Pérez-Maya AA, Borrego-Soto G, Marino-Martínez IA. Prevalence of the SNP rs10774671 of the OAS1 gene in Mexico as a possible predisposing factor for RNA virus disease. INTERNATIONAL JOURNAL OF MOLECULAR EPIDEMIOLOGY AND GENETICS 2021; 12:52-60. [PMID: 34336138 PMCID: PMC8310884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 05/31/2021] [Indexed: 06/13/2023]
Abstract
UNLABELLED The COVID-19 pandemic has revealed the susceptibility of certain populations to RNA virus infection. This variety of agents is currently the cause of severe respiratory diseases (SARS-CoV2 and Influenza), Hepatitis C, measles and of high prevalence tropical diseases that are detected throughout the year (Dengue and Zika). The rs10774671 polymorphism is a base change from G to A in the last nucleotide of intron-5 of the OAS1 gene. This change modifies a splicing site and generates isoforms of the OAS1 protein with a higher molecular weight and a demonstrated lower enzymatic activity. The low activity of these OAS1 isoforms makes the innate immune response against RNA virus infections less efficient, representing a previously unattended risk factor for certain populations. OBJECTIVE Determine the distribution of rs10774671 in the open population of Mexico. METHODS In 98 healthy volunteers, allelic and genotypic frequencies were determined by qPCR using allele specific labeled probes, and the Hardy-Weinberg equilibrium was determined. RESULTS The A-allele turned out to be the most prevalent in the analyzed population. CONCLUSIONS Our population is genetically susceptible to RNA virus disease due to the predominant presence of the A allele of rs10774671 in the OAS1 gene.
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Affiliation(s)
- María Teresa Sánchez-González
- Universidad Autónoma de Nuevo León, Centro de Investigación y Desarrollo en Ciencias de la SaludMonterrey, Nuevo León, México
| | - Oscar Cienfuegos-Jiménez
- Universidad Autónoma de Nuevo León, Centro de Investigación y Desarrollo en Ciencias de la SaludMonterrey, Nuevo León, México
| | - Salomón Álvarez-Cuevas
- Universidad Autónoma de Nuevo León, Departamento de Patología, Facultad de MedicinaMonterrey, Nuevo León, México
| | - Antonio Ali Pérez-Maya
- Universidad Autónoma de Nuevo León, Departamento de Bioquímica y Medicina Molecular, Facultad de MedicinaMonterrey, Nuevo León, México
| | - Gissela Borrego-Soto
- Department of Molecular Biosciences, University of Texas at AustinAustin, Texas, United States of America
| | - Iván Alberto Marino-Martínez
- Universidad Autónoma de Nuevo León, Centro de Investigación y Desarrollo en Ciencias de la SaludMonterrey, Nuevo León, México
- Universidad Autónoma de Nuevo León, Departamento de Patología, Facultad de MedicinaMonterrey, Nuevo León, México
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31
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Nuclear localisation of West Nile virus NS5 protein modulates host gene expression. Virology 2021; 559:131-144. [PMID: 33866234 DOI: 10.1016/j.virol.2021.03.018] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 03/25/2021] [Accepted: 03/30/2021] [Indexed: 01/01/2023]
Abstract
The involvement of the nucleus during flavivirus infection has been observed in only a small number of cases and can be limited to primarily two viral proteins; the structural protein C and the RNA polymerase NS5. Previously we observed that by blocking nuclear transport, WNV strain Kunjin (WNVKUN) replication is severely affected and through mutation of the identified NLS in WNVKUN NS5 protein. In this study, we interrogated the potential nuclear functions of WNVKUN NS5 has on the host transcriptome, by means of RNA sequencing (RNAseq). In a direct comparison between wild type and mutant NS5, it can also be determined that the nuclear translocation of NS5 results in a significant down-regulation of host genes involved in the innate immune response. When compared to published RNAseq data from WNV infection, many of these genes were overlapping indicting the role of NS5 induced transcription during infection.
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32
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Zeberg H, Pääbo S. A genomic region associated with protection against severe COVID-19 is inherited from Neandertals. Proc Natl Acad Sci U S A 2021; 118:e2026309118. [PMID: 33593941 PMCID: PMC7936282 DOI: 10.1073/pnas.2026309118] [Citation(s) in RCA: 115] [Impact Index Per Article: 38.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
It was recently shown that the major genetic risk factor associated with becoming severely ill with COVID-19 when infected by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is inherited from Neandertals. New, larger genetic association studies now allow additional genetic risk factors to be discovered. Using data from the Genetics of Mortality in Critical Care (GenOMICC) consortium, we show that a haplotype at a region on chromosome 12 associated with requiring intensive care when infected with the virus is inherited from Neandertals. This region encodes proteins that activate enzymes that are important during infections with RNA viruses. In contrast to the previously described Neandertal haplotype that increases the risk for severe COVID-19, this Neandertal haplotype is protective against severe disease. It also differs from the risk haplotype in that it has a more moderate effect and occurs at substantial frequencies in all regions of the world outside Africa. Among ancient human genomes in western Eurasia, the frequency of the protective Neandertal haplotype may have increased between 20,000 and 10,000 y ago and again during the past 1,000 y.
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Affiliation(s)
- Hugo Zeberg
- Department of Evolutionary Genetics, Max Planck Institute for Evolutionary Anthropology, D-04103 Leipzig, Germany;
- Department of Neuroscience, Karolinska Institutet, SE-17177 Stockholm, Sweden
| | - Svante Pääbo
- Department of Evolutionary Genetics, Max Planck Institute for Evolutionary Anthropology, D-04103 Leipzig, Germany;
- Human Evolutionary Genomics Unit, Okinawa Institute of Science and Technology, Okinawa 904-0495, Japan
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A Neanderthal OAS1 isoform protects individuals of European ancestry against COVID-19 susceptibility and severity. Nat Med 2021; 27:659-667. [PMID: 33633408 DOI: 10.1038/s41591-021-01281-1] [Citation(s) in RCA: 146] [Impact Index Per Article: 48.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Accepted: 02/05/2021] [Indexed: 12/15/2022]
Abstract
To identify circulating proteins influencing Coronavirus Disease 2019 (COVID-19) susceptibility and severity, we undertook a two-sample Mendelian randomization (MR) study, rapidly scanning hundreds of circulating proteins while reducing bias due to reverse causation and confounding. In up to 14,134 cases and 1.2 million controls, we found that an s.d. increase in OAS1 levels was associated with reduced COVID-19 death or ventilation (odds ratio (OR) = 0.54, P = 7 × 10-8), hospitalization (OR = 0.61, P = 8 × 10-8) and susceptibility (OR = 0.78, P = 8 × 10-6). Measuring OAS1 levels in 504 individuals, we found that higher plasma OAS1 levels in a non-infectious state were associated with reduced COVID-19 susceptibility and severity. Further analyses suggested that a Neanderthal isoform of OAS1 in individuals of European ancestry affords this protection. Thus, evidence from MR and a case-control study support a protective role for OAS1 in COVID-19 adverse outcomes. Available pharmacological agents that increase OAS1 levels could be prioritized for drug development.
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34
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Yang E, Li MMH. All About the RNA: Interferon-Stimulated Genes That Interfere With Viral RNA Processes. Front Immunol 2020; 11:605024. [PMID: 33362792 PMCID: PMC7756014 DOI: 10.3389/fimmu.2020.605024] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Accepted: 11/09/2020] [Indexed: 12/18/2022] Open
Abstract
Interferon (IFN) signaling induces the expression of a wide array of genes, collectively referred to as IFN-stimulated genes (ISGs) that generally function to inhibit viral replication. RNA viruses are frequently targeted by ISGs through recognition of viral replicative intermediates and molecular features associated with viral genomes, or the lack of molecular features associated with host mRNAs. The ISGs reviewed here primarily inhibit viral replication in an RNA-centric manner, working to sense, degrade, or repress expression of viral RNA. This review focuses on dissecting how these ISGs exhibit multiple antiviral mechanisms, often through use of varied co-factors, highlighting the complexity of the type I IFN response. Specifically, these ISGs can mediate antiviral effects through viral RNA degradation, viral translation inhibition, or both. While the OAS/RNase L pathway globally degrades RNA and arrests translation, ISG20 and ZAP employ targeted RNA degradation and translation inhibition to block viral replication. Meanwhile, SHFL targets translation by inhibiting -1 ribosomal frameshifting, which is required by many RNA viruses. Finally, a number of E3 ligases inhibit viral transcription, an attractive antiviral target during the lifecycle of negative-sense RNA viruses which must transcribe their genome prior to translation. Through this review, we aim to provide an updated perspective on how these ISGs work together to form a complex network of antiviral arsenals targeting viral RNA processes.
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Affiliation(s)
- Emily Yang
- Molecular Biology Institute, University of California, Los Angeles, Los Angeles, CA, United States
- Department of Microbiology, Immunology, and Molecular Genetics, University of California, Los Angeles, Los Angeles, CA, United States
| | - Melody M. H. Li
- Molecular Biology Institute, University of California, Los Angeles, Los Angeles, CA, United States
- Department of Microbiology, Immunology, and Molecular Genetics, University of California, Los Angeles, Los Angeles, CA, United States
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35
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Cahill ME, Loeb M, Dewan AT, Montgomery RR. In-Depth Analysis of Genetic Variation Associated with Severe West Nile Viral Disease. Vaccines (Basel) 2020; 8:E744. [PMID: 33302579 PMCID: PMC7768385 DOI: 10.3390/vaccines8040744] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 11/30/2020] [Accepted: 12/03/2020] [Indexed: 01/04/2023] Open
Abstract
West Nile virus (WNV) is a mosquito-borne virus which causes symptomatic disease in a minority of infected humans. To identify novel genetic variants associated with severe disease, we utilized data from an existing case-control study of WNV and included population controls for an expanded analysis. We conducted imputation and gene-gene interaction analysis in the largest and most comprehensive genetic study conducted to date for West Nile neuroinvasive disease (WNND). Within the imputed West Nile virus dataset (severe cases n = 381 and asymptomatic/mild controls = 441), we found novel loci within the MCF.2 Cell Line Derived Transforming Sequence Like (MCF2L) gene (rs9549655 and rs2297192) through the individual loci analyses, although none reached statistical significance. Incorporating population controls from the Wisconsin Longitudinal Study on Aging (n = 9012) did not identify additional novel variants, a possible reflection of the cohort's inclusion of individuals who could develop mild or severe WNV disease upon infection. Many of the top gene-gene interaction results were intergenic, with currently undefined biological roles, highlighting the need for further investigation into these regions and other identified gene targets in severe WNND. Further studies including larger sample sizes and more diverse populations reflective of those at risk are needed to fully understand the genetic architecture of severe WNDD and provide guidance on viable targets for therapeutic and vaccine development.
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Affiliation(s)
- Megan E. Cahill
- Center for Perinatal, Pediatric and Environmental Epidemiology, Department of Chronic Disease Epidemiology, Yale School of Public Health, 1 Church Street, New Haven, CT 06510, USA; (M.E.C.); (A.T.D.)
| | - Mark Loeb
- 3208 Michael DeGroote Centre for Learning & Discovery, Division of Clinical Pathology, McMaster University, Hamilton, ON L8S 4L8, Canada;
| | - Andrew T. Dewan
- Center for Perinatal, Pediatric and Environmental Epidemiology, Department of Chronic Disease Epidemiology, Yale School of Public Health, 1 Church Street, New Haven, CT 06510, USA; (M.E.C.); (A.T.D.)
| | - Ruth R. Montgomery
- Department of Internal Medicine, Yale School of Medicine, 300 Cedar Street, New Haven, CT 06520, USA
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36
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Schwartz SL, Park EN, Vachon VK, Danzy S, Lowen AC, Conn GL. Human OAS1 activation is highly dependent on both RNA sequence and context of activating RNA motifs. Nucleic Acids Res 2020; 48:7520-7531. [PMID: 32678884 PMCID: PMC7367156 DOI: 10.1093/nar/gkaa513] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Revised: 06/01/2020] [Accepted: 06/04/2020] [Indexed: 12/18/2022] Open
Abstract
2′-5′-Oligoadenylate synthetases (OAS) are innate immune sensors of cytosolic double-stranded RNA (dsRNA) and play a critical role in limiting viral infection. dsRNA binding induces allosteric structural changes in OAS1 that reorganize its catalytic center to promote synthesis of 2′-5′-oligoadenylate and thus activation of endoribonuclease L. Specific RNA sequences and structural motifs can also enhance activation of OAS1 through currently undefined mechanisms. To better understand these drivers of OAS activation, we tested the impact of defined sequence changes within a short dsRNA that strongly activates OAS1. Both in vitro and in human A549 cells, appending a 3′-end single-stranded pyrimidine (3′-ssPy) can strongly enhance OAS1 activation or have no effect depending on its location, suggesting that other dsRNA features are necessary for correct presentation of the motif to OAS1. Consistent with this idea, we also find that the dsRNA binding position is dictated by an established consensus sequence (WWN9WG). Unexpectedly, however, not all sequences fitting this consensus activate OAS1 equivalently, with strong dependence on the identity of both partially conserved (W) and non-conserved (N9) residues. A picture thus emerges in which both specific RNA features and the context in which they are presented dictate the ability of short dsRNAs to activate OAS1.
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Affiliation(s)
- Samantha L Schwartz
- Department of Biochemistry, Emory University School of Medicine, 1510 Clifton Road NE, Atlanta, GA 30322, USA.,Graduate Program in Biochemistry, Cell and Developmental Biology, Graduate Division of Biological and Biomedical Sciences, Emory University, USA
| | - Esther N Park
- Department of Biochemistry, Emory University School of Medicine, 1510 Clifton Road NE, Atlanta, GA 30322, USA
| | - Virginia K Vachon
- Department of Biochemistry, Emory University School of Medicine, 1510 Clifton Road NE, Atlanta, GA 30322, USA.,Graduate Program in Microbiology and Molecular Genetics, Graduate Division of Biological and Biomedical Sciences, Emory University, USA
| | - Shamika Danzy
- Department of Microbiology and Immunology, Emory University School of Medicine, 1510 Clifton Road NE, Atlanta, GA 30322, USA
| | - Anice C Lowen
- Graduate Program in Microbiology and Molecular Genetics, Graduate Division of Biological and Biomedical Sciences, Emory University, USA.,Department of Microbiology and Immunology, Emory University School of Medicine, 1510 Clifton Road NE, Atlanta, GA 30322, USA
| | - Graeme L Conn
- Department of Biochemistry, Emory University School of Medicine, 1510 Clifton Road NE, Atlanta, GA 30322, USA.,Graduate Program in Biochemistry, Cell and Developmental Biology, Graduate Division of Biological and Biomedical Sciences, Emory University, USA.,Graduate Program in Microbiology and Molecular Genetics, Graduate Division of Biological and Biomedical Sciences, Emory University, USA
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37
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Moreira DA, Lamarca AP, Soares RF, Coelho AMA, Furtado C, Scherer NM, Moreira MAM, Seuánez HN, Boroni M. Transcriptome of the Southern Muriqui Brachyteles arachnoides (Primates:Platyrrhini), a Critically Endangered New World Monkey: Evidence of Adaptive Evolution. Front Genet 2020; 11:831. [PMID: 32849820 PMCID: PMC7412869 DOI: 10.3389/fgene.2020.00831] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Accepted: 07/09/2020] [Indexed: 12/03/2022] Open
Abstract
The southern muriqui (Brachyteles arachnoides) is the largest neotropical primate. This species is endemic to Brazil and is currently critically endangered due to its habitat destruction. The genetic basis underlying adaptive traits of New World monkeys has been a subject of interest to several investigators, with significant concern about genes related to the immune system. In the absence of a reference genome, RNA-seq and de novo transcriptome assembly have proved to be valuable genetic procedures for accessing gene sequences and testing evolutionary hypotheses. We present here a first report on the sequencing, assembly, annotation and adaptive selection analysis for thousands of transcripts of B. arachnoides from two different samples, corresponding to 13 different blood cells and fibroblasts. We assembled 284,283 transcripts with N50 of 2,940 bp, with a high rate of complete transcripts, with a median high scoring pair coverage of 88.2%, including low expressed transcripts, accounting for 72.3% of complete BUSCOs. We could predict and extract 81,400 coding sequences with 79.8% of significant BLAST hit against the Euarchontoglires SwissProt dataset. Of these 64,929 sequences, 34,084 were considered homologous to Supraprimate proteins, and of the remaining sequences (30,845), 94% were associated with a protein domain or a KEGG Orthology group, indicating potentially novel or specific protein-coding genes of B. arachnoides. We use the predicted protein sequences to perform a comparative analysis with 10 other primates. This analysis revealed, for the first time in an Atelid species, an expansion of APOBEC3G, extending this knowledge to all NWM families. Using a branch-site model, we searched for evidence of positive selection in 4,533 orthologous sets. This evolutionary analysis revealed 132 amino acid sites in 30 genes potentially evolving under positive selection, shedding light on primate genome evolution. These genes belonged to a wide variety of categories, including those encoding the innate immune system proteins (APOBEC3G, OAS2, and CEACAM1) among others related to the immune response. This work generated a set of thousands of complete sequences that can be used in other studies on molecular evolution and may help to unveil the evolution of primate genes. Still, further functional studies are required to provide an understanding of the underlying evolutionary forces modeling the primate genome.
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Affiliation(s)
- Daniel A Moreira
- Laboratory of Bioinformatics and Computational Biology, Division of Experimental and Translational Research, Brazilian National Cancer Institute (INCA), Rio de Janeiro, Brazil
| | - Alessandra P Lamarca
- Laboratory of Bioinformatics and Molecular Evolution, Department of Genetics, Institute of Biology, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Rafael Ferreira Soares
- Laboratory for Functional Genomics and Bioinformatics, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro, Brazil
| | - Ana M A Coelho
- Department of Genetics, Institute of Biology, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Carolina Furtado
- Genetics Program, Division of Experimental and Translational Research, Brazilian National Cancer Institute (INCA), Rio de Janeiro, Brazil
| | - Nicole M Scherer
- Laboratory of Bioinformatics and Computational Biology, Division of Experimental and Translational Research, Brazilian National Cancer Institute (INCA), Rio de Janeiro, Brazil
| | - Miguel A M Moreira
- Genetics Program, Division of Experimental and Translational Research, Brazilian National Cancer Institute (INCA), Rio de Janeiro, Brazil
| | - Hector N Seuánez
- Genetics Program, Division of Experimental and Translational Research, Brazilian National Cancer Institute (INCA), Rio de Janeiro, Brazil
| | - Mariana Boroni
- Laboratory of Bioinformatics and Computational Biology, Division of Experimental and Translational Research, Brazilian National Cancer Institute (INCA), Rio de Janeiro, Brazil
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38
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Theusch E, Chen YDI, Rotter JI, Krauss RM, Medina MW. Genetic variants modulate gene expression statin response in human lymphoblastoid cell lines. BMC Genomics 2020; 21:555. [PMID: 32787775 PMCID: PMC7430882 DOI: 10.1186/s12864-020-06966-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Accepted: 08/03/2020] [Indexed: 01/10/2023] Open
Abstract
Background Statins are widely prescribed to lower plasma low-density lipoprotein cholesterol levels. Though statins reduce cardiovascular disease risk overall, statin efficacy varies, and some people experience adverse side effects while on statin treatment. Statins also have pleiotropic effects not directly related to their cholesterol-lowering properties, but the mechanisms are not well understood. To identify potential genetic modulators of clinical statin response, we looked for genetic variants associated with statin-induced changes in gene expression (differential eQTLs or deQTLs) in lymphoblastoid cell lines (LCLs) derived from participants of the Cholesterol and Pharmacogenetics (CAP) 40 mg/day 6-week simvastatin clinical trial. We exposed CAP LCLs to 2 μM simvastatin or control buffer for 24 h and performed polyA-selected, strand-specific RNA-seq. Statin-induced changes in gene expression from 259 European ancestry or 153 African American ancestry LCLs were adjusted for potential confounders prior to association with genotyped and imputed genetic variants within 1 Mb of each gene’s transcription start site. Results From the deQTL meta-analysis of the two ancestral populations, we identified significant cis-deQTLs for 15 genes (TBC1D4, MDGA1, CHI3L2, OAS1, GATM, ASNSD1, GLUL, TDRD12, PPIP5K2, OAS3, SERPINB1, ANKDD1A, DTD1, CYFIP2, and GSDME), eight of which were significant in at least one of the ancestry subsets alone. We also conducted eQTL analyses of the endogenous (control-treated), statin-treated, and average of endogenous and statin-treated LCL gene expression levels. We identified eQTLs for approximately 6000 genes in each of the three (endogenous, statin-treated, and average) eQTL meta-analyses, with smaller numbers identified in the ancestral subsets alone. Conclusions Several of the genes in which we identified deQTLs have functions in human health and disease, such as defense from viruses, glucose regulation, and response to chemotherapy drugs. This suggests that DNA variation may play a role in statin effects on various health outcomes. These findings could prove useful to future studies aiming to assess benefit versus risk of statin treatment using individual genetic profiles.
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Affiliation(s)
- Elizabeth Theusch
- Department of Pediatrics, University of California San Francisco, Oakland, CA, USA
| | - Yii-Der I Chen
- Department of Pediatrics, The Institute for Translational Genomics and Population Sciences, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance, CA, USA
| | - Jerome I Rotter
- Departments of Pediatrics and Medicine, The Institute for Translational Genomics and Population Sciences, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance, CA, USA
| | - Ronald M Krauss
- Departments of Pediatrics and Medicine, University of California San Francisco, Oakland, CA, USA
| | - Marisa W Medina
- Department of Pediatrics, University of California San Francisco, Oakland, CA, USA.
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39
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Constitutive immune mechanisms: mediators of host defence and immune regulation. Nat Rev Immunol 2020; 21:137-150. [PMID: 32782357 PMCID: PMC7418297 DOI: 10.1038/s41577-020-0391-5] [Citation(s) in RCA: 122] [Impact Index Per Article: 30.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/01/2020] [Indexed: 02/07/2023]
Abstract
The immune system enables organisms to combat infections and to eliminate endogenous challenges. Immune responses can be evoked through diverse inducible pathways. However, various constitutive mechanisms are also required for immunocompetence. The inducible responses of pattern recognition receptors of the innate immune system and antigen-specific receptors of the adaptive immune system are highly effective, but they also have the potential to cause extensive immunopathology and tissue damage, as seen in many infectious and autoinflammatory diseases. By contrast, constitutive innate immune mechanisms, including restriction factors, basal autophagy and proteasomal degradation, tend to limit immune responses, with loss-of-function mutations in these pathways leading to inflammation. Although they function through a broad and heterogeneous set of mechanisms, the constitutive immune responses all function as early barriers to infection and aim to minimize any disruption of homeostasis. Supported by recent human and mouse data, in this Review we compare and contrast the inducible and constitutive mechanisms of immunosurveillance.
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40
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Tallmadge RL, Antczak DF, Felippe MJB. Genetics of Immune Disease in the Horse. Vet Clin North Am Equine Pract 2020; 36:273-288. [PMID: 32654783 DOI: 10.1016/j.cveq.2020.03.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Host defenses against infection by viruses, bacteria, fungi, and parasites are critical to survival. It has been estimated that upwards of 7% of the coding genes of mammals function in immunity and inflammation. This high level of genomic investment in defense has resulted in an immune system characterized by extraordinary complexity and many levels of redundancy. Because so many genes are involved with immunity, there are many opportunities for mutations to arise that have negative effects. However, redundancy in the mammalian defense system and the adaptive nature of key immune mechanisms buffer the untoward outcomes of many such deleterious mutations.
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Affiliation(s)
- Rebecca L Tallmadge
- Animal Health Diagnostic Center, College of Veterinary Medicine, Cornell University, 240 Farrier Road, Ithaca, NY 14853, USA
| | - Douglas F Antczak
- Baker Institute for Animal Health, College of Veterinary Medicine, Cornell University, 235 Hungerford Hill Road, Ithaca, NY 14853, USA.
| | - Maria Julia Bevilaqua Felippe
- Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, 930 Campus Road, Ithaca, NY 14853, USA
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41
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Werren EA, Garcia O, Bigham AW. Identifying adaptive alleles in the human genome: from selection mapping to functional validation. Hum Genet 2020; 140:241-276. [PMID: 32728809 DOI: 10.1007/s00439-020-02206-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Accepted: 07/07/2020] [Indexed: 12/19/2022]
Abstract
The suite of phenotypic diversity across geographically distributed human populations is the outcome of genetic drift, gene flow, and natural selection throughout human evolution. Human genetic variation underlying local biological adaptations to selective pressures is incompletely characterized. With the emergence of population genetics modeling of large-scale genomic data derived from diverse populations, scientists are able to map signatures of natural selection in the genome in a process known as selection mapping. Inferred selection signals further can be used to identify candidate functional alleles that underlie putative adaptive phenotypes. Phenotypic association, fine mapping, and functional experiments facilitate the identification of candidate adaptive alleles. Functional investigation of candidate adaptive variation using novel techniques in molecular biology is slowly beginning to unravel how selection signals translate to changes in biology that underlie the phenotypic spectrum of our species. In addition to informing evolutionary hypotheses of adaptation, the discovery and functional annotation of adaptive alleles also may be of clinical significance. While selection mapping efforts in non-European populations are growing, there remains a stark under-representation of diverse human populations in current public genomic databases, of both clinical and non-clinical cohorts. This lack of inclusion limits the study of human biological variation. Identifying and functionally validating candidate adaptive alleles in more global populations is necessary for understanding basic human biology and human disease.
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Affiliation(s)
- Elizabeth A Werren
- Department of Human Genetics, The University of Michigan, Ann Arbor, MI, USA
- Department of Anthropology, The University of Michigan, Ann Arbor, MI, USA
| | - Obed Garcia
- Department of Anthropology, The University of Michigan, Ann Arbor, MI, USA
| | - Abigail W Bigham
- Department of Anthropology, University of California Los Angeles, 341 Haines Hall, Los Angeles, CA, 90095, USA.
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Abstract
Genetic alleles that contribute to enhanced susceptibility or resistance to viral infections and virally induced diseases have often been first identified in mice before humans due to the significant advantages of the murine system for genetic studies. Herein we review multiple discoveries that have revealed significant insights into virus-host interactions, all made using genetic mapping tools in mice. Factors that have been identified include innate and adaptive immunity genes that contribute to host defense against pathogenic viruses such as herpes viruses, flaviviruses, retroviruses, and coronaviruses. Understanding the genetic mechanisms that affect infectious disease outcomes will aid the development of personalized treatment and preventive strategies for pathogenic infections.
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Affiliation(s)
- Melissa Kane
- Center for Microbial Pathogenesis, Department of Pediatrics, Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania 15224, USA
| | - Tatyana V Golovkina
- Department of Microbiology, University of Chicago, Chicago, Illinois 60637, USA;
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43
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Martin MF, Nisole S. West Nile Virus Restriction in Mosquito and Human Cells: A Virus under Confinement. Vaccines (Basel) 2020; 8:E256. [PMID: 32485916 PMCID: PMC7350012 DOI: 10.3390/vaccines8020256] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 05/25/2020] [Accepted: 05/27/2020] [Indexed: 02/08/2023] Open
Abstract
West Nile virus (WNV) is an emerging neurotropic flavivirus that naturally circulates between mosquitoes and birds. However, WNV has a broad host range and can be transmitted from mosquitoes to several mammalian species, including humans, through infected saliva during a blood meal. Although WNV infections are mostly asymptomatic, 20% to 30% of cases are symptomatic and can occasionally lead to severe symptoms, including fatal meningitis or encephalitis. Over the past decades, WNV-carrying mosquitoes have become increasingly widespread across new regions, including North America and Europe, which constitutes a public health concern. Nevertheless, mosquito and human innate immune defenses can detect WNV infection and induce the expression of antiviral effectors, so-called viral restriction factors, to control viral propagation. Conversely, WNV has developed countermeasures to escape these host defenses, thus establishing a constant arms race between the virus and its hosts. Our review intends to cover most of the current knowledge on viral restriction factors as well as WNV evasion strategies in mosquito and human cells in order to bring an updated overview on WNV-host interactions.
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Affiliation(s)
| | - Sébastien Nisole
- Viral Trafficking, Restriction and Innate Signaling Team, Institut de Recherche en Infectiologie de Montpellier (IRIM), CNRS, 34090 Montpellier, France;
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44
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Michlmayr D, Kim EY, Rahman AH, Raghunathan R, Kim-Schulze S, Che Y, Kalayci S, Gümüş ZH, Kuan G, Balmaseda A, Kasarskis A, Wolinsky SM, Suaréz-Fariñas M, Harris E. Comprehensive Immunoprofiling of Pediatric Zika Reveals Key Role for Monocytes in the Acute Phase and No Effect of Prior Dengue Virus Infection. Cell Rep 2020; 31:107569. [PMID: 32348760 PMCID: PMC7308490 DOI: 10.1016/j.celrep.2020.107569] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Revised: 11/18/2019] [Accepted: 04/03/2020] [Indexed: 01/02/2023] Open
Abstract
Zika virus (ZIKV) is an emerging, mosquito-borne flavivirus responsible for recent epidemics across the Americas, and it is closely related to dengue virus (DENV). Here, we study samples from 46 DENV-naive and 43 DENV-immune patients with RT-PCR-confirmed ZIKV infection at early-acute, late-acute, and convalescent time points from our pediatric cohort study in Nicaragua. We analyze the samples via RNA sequencing (RNA-seq), CyTOF, and multiplex cytokine/chemokine Luminex to generate a comprehensive, innate immune profile during ZIKV infection. Immunophenotyping and analysis of cytokines/chemokines reveal that CD14+ monocytes play a key role during ZIKV infection. Further, we identify CD169 (Siglec-1) on CD14+ monocytes as a potential biomarker of acute ZIKV infection. Strikingly distinct transcriptomic and immunophenotypic signatures are observed at all three time points. Interestingly, pre-existing dengue immunity has minimal impact on the innate immune response to Zika. Finally, this comprehensive immune profiling and network analysis of ZIKV infection in children serves as a valuable resource.
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Affiliation(s)
- Daniela Michlmayr
- Division of Infectious Diseases and Vaccinology, School of Public Health, University of California, Berkeley, Berkeley, CA, USA
| | - Eun-Young Kim
- Division of Infectious Diseases, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Adeeb H Rahman
- Human Immune Monitoring Center, Icahn School of Medicine at Mount Sinai, New York, NY, USA; Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Rohit Raghunathan
- Department of Population Health Science and Policy, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Seunghee Kim-Schulze
- Human Immune Monitoring Center, Icahn School of Medicine at Mount Sinai, New York, NY, USA; Department of Oncological Sciences, Tisch Cancer Institute and the Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Yan Che
- Division of Infectious Diseases, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Selim Kalayci
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA; Icahn Institute for Data Science and Genomic Technology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Zeynep H Gümüş
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA; Icahn Institute for Data Science and Genomic Technology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Guillermina Kuan
- Centro de Salud Sócrates Flores Vivas, Ministry of Health, Managua, Nicaragua; Sustainable Sciences Institute, Managua, Nicaragua
| | - Angel Balmaseda
- Sustainable Sciences Institute, Managua, Nicaragua; Laboratorio Nacional de Virología, Centro Nacional de Diagnóstico y Referencia, Ministry of Health, Managua, Nicaragua
| | - Andrew Kasarskis
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA; Icahn Institute for Data Science and Genomic Technology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Steven M Wolinsky
- Division of Infectious Diseases, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Mayte Suaréz-Fariñas
- Department of Population Health Science and Policy, Icahn School of Medicine at Mount Sinai, New York, NY, USA; Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Eva Harris
- Division of Infectious Diseases and Vaccinology, School of Public Health, University of California, Berkeley, Berkeley, CA, USA.
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45
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Evolutionary and population (epi)genetics of immunity to infection. Hum Genet 2020; 139:723-732. [PMID: 32285198 DOI: 10.1007/s00439-020-02167-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Accepted: 04/07/2020] [Indexed: 12/29/2022]
Abstract
Immune response is one of the functions that have been more strongly targeted by natural selection during human evolution. The evolutionary genetic dissection of the immune system has greatly helped to distinguish genes and functions that are essential, redundant or advantageous for human survival. It is also becoming increasingly clear that admixture between early Eurasians with now-extinct hominins such as Neanderthals or Denisovans, or admixture between modern human populations, can be beneficial for human adaptation to pathogen pressures. In this review, we discuss how the integration of population genetics with functional genomics in diverse human populations can inform about the changes in immune functions related to major lifestyle transitions (e.g., from hunting and gathering to farming), the action of natural selection to the evolution of the immune system, and the history of past epidemics. We also highlight the need of expanding the characterization of the immune system to a larger array of human populations-particularly neglected human groups historically exposed to different pathogen pressures-to fully capture the relative contribution of genetic, epigenetic, and environmental factors to immune response variation in humans.
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Frankiw L, Mann M, Li G, Joglekar A, Baltimore D. Alternative splicing coupled with transcript degradation modulates OAS1g antiviral activity. RNA (NEW YORK, N.Y.) 2020; 26:126-136. [PMID: 31740586 PMCID: PMC6961538 DOI: 10.1261/rna.073825.119] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Accepted: 11/13/2019] [Indexed: 05/17/2023]
Abstract
At the heart of an innate immune response lies a tightly regulated gene expression program. This precise regulation is crucial because small changes can shift the balance from protective to destructive immunity. Here we identify a frequently used alternative splice site in the gene oligoadenylate synthetase 1g (Oas1g), a key component of the 2-5A antiviral system. Usage of this splice site leads to the generation of a transcript subject to decay, and removal of the site leads to increased expression of Oas1g and an improved antiviral response. However, removal of the splice site also leads to an increase in apoptotic cell death, suggesting this splicing event exists as a compromise between the pathogen protective benefits and collateral damage associated with OAS1g activity. Across the innate immune response, we show that a multitude of alternative splicing events predicted to lead to decay exist, and thus have the potential to play a significant role in the regulation of gene expression in innate immunity.
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Affiliation(s)
- Luke Frankiw
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, California 91125, USA
| | - Mati Mann
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, California 91125, USA
| | - Guideng Li
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, California 91125, USA
- Center of Systems Medicine, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, China
- Suzhou Institute of Systems Medicine, Suzhou 215123, China
| | - Alok Joglekar
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, California 91125, USA
- Center for Systems Immunology, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, USA
- Department of Immunology, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, USA
| | - David Baltimore
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, California 91125, USA
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Di H, Elbahesh H, Brinton MA. Characteristics of Human OAS1 Isoform Proteins. Viruses 2020; 12:v12020152. [PMID: 32013110 PMCID: PMC7077331 DOI: 10.3390/v12020152] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 01/20/2020] [Accepted: 01/22/2020] [Indexed: 12/23/2022] Open
Abstract
The human OAS1 (hOAS1) gene produces multiple possible isoforms due to alternative splicing events and sequence variation among individuals, some of which affect splicing. The unique C-terminal sequences of the hOAS1 isoforms could differentially affect synthetase activity, protein stability, protein partner interactions and/or cellular localization. Recombinant p41, p42, p44, p46, p48, p49 and p52 hOAS1 isoform proteins expressed in bacteria were each able to synthesize trimer and higher order 2'-5' linked oligoadenylates in vitro in response to poly(I:C). The p42, p44, p46, p48 and p52 isoform proteins were each able to induce RNase-mediated rRNA cleavage in response to poly(I:C) when overexpressed in HEK293 cells. The expressed levels of the p42 and p46 isoform proteins were higher than those of the other isoforms, suggesting increased stability in mammalian cells. In a yeast two-hybrid screen, Fibrillin1 (FBN1) was identified as a binding partner for hOAS1 p42 isoform, and Supervillin (SVIL) as a binding partner for the p44 isoform. The p44-SVIL interaction was supported by co-immunoprecipitation data from mammalian cells. The data suggest that the unique C-terminal regions of hOAS1 isoforms may mediate the recruitment of different partners, alternative functional capacities and/or different cellular localization.
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Affiliation(s)
- Han Di
- Department of Biology, Georgia State University, Atlanta, GA 30303, USA; (H.D.); (H.E.)
| | - Husni Elbahesh
- Department of Biology, Georgia State University, Atlanta, GA 30303, USA; (H.D.); (H.E.)
- Research Center for Emerging Infections and Zoonosis (RIZ), University of Veterinary Medicine Hannover, 30559 Hannover, Germany
| | - Margo A. Brinton
- Department of Biology, Georgia State University, Atlanta, GA 30303, USA; (H.D.); (H.E.)
- Correspondence:
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van Tol S, Atkins C, Bharaj P, Johnson KN, Hage A, Freiberg AN, Rajsbaum R. VAMP8 Contributes to the TRIM6-Mediated Type I Interferon Antiviral Response during West Nile Virus Infection. J Virol 2020; 94:e01454-19. [PMID: 31694946 PMCID: PMC6955268 DOI: 10.1128/jvi.01454-19] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Accepted: 10/23/2019] [Indexed: 11/20/2022] Open
Abstract
Several members of the tripartite motif (TRIM) family of E3 ubiquitin ligases regulate immune pathways, including the antiviral type I interferon (IFN-I) system. Previously, we demonstrated that TRIM6 is involved in IFN-I induction and signaling. In the absence of TRIM6, optimal IFN-I signaling is reduced, allowing increased replication of interferon-sensitive viruses. Despite having evolved numerous mechanisms to restrict the vertebrate host's IFN-I response, West Nile virus (WNV) replication is sensitive to pretreatment with IFN-I. However, the regulators and products of the IFN-I pathway that are important in regulating WNV replication are incompletely defined. Consistent with WNV's sensitivity to IFN-I, we found that in TRIM6 knockout (TRIM6-KO) A549 cells, WNV replication is significantly increased and IFN-I induction and signaling are impaired compared to wild-type (wt) cells. IFN-β pretreatment was more effective in protecting against subsequent WNV infection in wt cells than TRIM6-KO, indicating that TRIM6 contributes to the establishment of an IFN-induced antiviral response against WNV. Using next-generation sequencing, we identified VAMP8 as a potential factor involved in this TRIM6-mediated antiviral response. VAMP8 knockdown resulted in reduced JAK1 and STAT1 phosphorylation and impaired induction of several interferon-stimulated genes (ISGs) following WNV infection or IFN-β treatment. Furthermore, VAMP8-mediated STAT1 phosphorylation required the presence of TRIM6. Therefore, the VAMP8 protein is a novel regulator of IFN-I signaling, and its expression and function are dependent on TRIM6 activity. Overall, these results provide evidence that TRIM6 contributes to the antiviral response against WNV and identify VAMP8 as a novel regulator of the IFN-I system.IMPORTANCE WNV is a mosquito-borne flavivirus that poses a threat to human health across large discontinuous areas throughout the world. Infection with WNV results in febrile illness, which can progress to severe neurological disease. Currently, there are no approved treatment options to control WNV infection. Understanding the cellular immune responses that regulate viral replication is important in diversifying the resources available to control WNV. Here, we show that the elimination of TRIM6 in human cells results in an increase in WNV replication and alters the expression and function of other components of the IFN-I pathway through VAMP8. Dissecting the interactions between WNV and host defenses both informs basic molecular virology and promotes the development of host- and virus-targeted antiviral strategies.
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Affiliation(s)
- Sarah van Tol
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, Texas, USA
| | - Colm Atkins
- Department of Pathology, University of Texas Medical Branch, Galveston, Texas, USA
| | - Preeti Bharaj
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, Texas, USA
| | - Kendra N Johnson
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, Texas, USA
| | - Adam Hage
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, Texas, USA
| | - Alexander N Freiberg
- Department of Pathology, University of Texas Medical Branch, Galveston, Texas, USA
- Institute for Human Infections and Immunity, University of Texas Medical Branch, Galveston, Texas, USA
- Center for Biodefense and Emerging Infectious Diseases, University of Texas Medical Branch, Galveston, Texas, USA
| | - Ricardo Rajsbaum
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, Texas, USA
- Institute for Human Infections and Immunity, University of Texas Medical Branch, Galveston, Texas, USA
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The Cellular Localization of the p42 and p46 Oligoadenylate Synthetase 1 Isoforms and Their Impact on Mitochondrial Respiration. Viruses 2019; 11:v11121122. [PMID: 31817188 PMCID: PMC6950736 DOI: 10.3390/v11121122] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 11/28/2019] [Accepted: 12/02/2019] [Indexed: 12/12/2022] Open
Abstract
The importance of the IFN-induced oligoadenylate synthetase (OAS) proteins and the OAS/RNase L pathway in the innate response against viral pathogens is well-established, however the observed differences in anti-viral activity between the human OAS1 p46 and p42 isoforms are not fully understood. The protein expression of these isoforms is determined by the SNP rs10774671, either being an A or a G allele resulting in expression of either the p42 or the p46 isoform. Using fluorescence microscopy and immunoblot analysis of fractionated cell samples, we show here that the CaaX motif is of key importance to the cellular localization. The OAS1 p42 isoform is mainly located in the cytosol, whereas the p46 isoform with a C-terminal CaaX motif is translocated to membranous organelles, like the mitochondria. We furthermore observed differences between p42 and p46 in their effect on mitochondrial physiology using high resolution respirometry and fluorometry. Overexpression of OAS1 p42 and IFN-β treatment of HeLa cells (AA genotype) resulted in significantly increased respiration, which was not seen with p46 overexpression. The difference in subcellular localization and mitochondrial effect of these two OAS1 isoforms might help to explain the anti-viral mechanisms that differentiate these proteins.
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Thackray LB, Handley SA, Gorman MJ, Poddar S, Bagadia P, Briseño CG, Theisen DJ, Tan Q, Hykes BL, Lin H, Lucas TM, Desai C, Gordon JI, Murphy KM, Virgin HW, Diamond MS. Oral Antibiotic Treatment of Mice Exacerbates the Disease Severity of Multiple Flavivirus Infections. Cell Rep 2019; 22:3440-3453.e6. [PMID: 29590614 PMCID: PMC5908250 DOI: 10.1016/j.celrep.2018.03.001] [Citation(s) in RCA: 83] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2017] [Revised: 02/15/2018] [Accepted: 02/28/2018] [Indexed: 12/22/2022] Open
Abstract
Although the outcome of flavivirus infection can vary from asymptomatic to lethal, environmental factors modulating disease severity are poorly defined. Here, we observed increased susceptibility of mice to severe West Nile (WNV), Dengue, and Zika virus infections after treatment with oral antibiotics (Abx) that depleted the gut microbiota. Abx treatment impaired the development of optimal T cell responses, with decreased levels of WNV-specific CD8+ T cells associated with increased infection and immunopathology. Abx treatments that resulted in enhanced WNV susceptibility generated changes in the overall structure of the gut bacterial community and in the abundance of specific bacterial taxa. As little as 3 days of treatment with ampicillin was sufficient to alter host immunity and WNV outcome. Our results identify oral Abx therapy as a potential environmental determinant of systemic viral disease, and they raise the possibility that perturbation of the gut microbiota may have deleterious consequences for subsequent flavivirus infections.
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Affiliation(s)
- Larissa B Thackray
- Department of Medicine, Washington University School of Medicine, Saint Louis, MO 63110, USA
| | - Scott A Handley
- Department of Pathology and Immunology, Washington University School of Medicine, Saint Louis, MO 63110, USA
| | - Matthew J Gorman
- Department of Medicine, Washington University School of Medicine, Saint Louis, MO 63110, USA
| | - Subhajit Poddar
- Department of Medicine, Washington University School of Medicine, Saint Louis, MO 63110, USA
| | - Prachi Bagadia
- Department of Pathology and Immunology, Washington University School of Medicine, Saint Louis, MO 63110, USA
| | - Carlos G Briseño
- Department of Pathology and Immunology, Washington University School of Medicine, Saint Louis, MO 63110, USA
| | - Derek J Theisen
- Department of Pathology and Immunology, Washington University School of Medicine, Saint Louis, MO 63110, USA
| | - Qing Tan
- Department of Medicine, Washington University School of Medicine, Saint Louis, MO 63110, USA
| | - Barry L Hykes
- Department of Pathology and Immunology, Washington University School of Medicine, Saint Louis, MO 63110, USA
| | - Hueylie Lin
- Department of Medicine, Washington University School of Medicine, Saint Louis, MO 63110, USA
| | - Tiffany M Lucas
- Department of Medicine, Washington University School of Medicine, Saint Louis, MO 63110, USA
| | - Chandni Desai
- Department of Pathology and Immunology, Washington University School of Medicine, Saint Louis, MO 63110, USA
| | - Jeffrey I Gordon
- Center for Genome Sciences and Systems Biology, Washington University School of Medicine, Saint Louis, MO 63110, USA; Center for Gut Microbiome and Nutrition Research, Washington University School of Medicine, Saint Louis, MO 63110, USA
| | - Kenneth M Murphy
- Department of Pathology and Immunology, Washington University School of Medicine, Saint Louis, MO 63110, USA; Howard Hughes Medical Institute, Washington University School of Medicine, Saint Louis, MO 63110, USA
| | - Herbert W Virgin
- 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
| | - Michael S Diamond
- Department of Medicine, Washington University School of Medicine, Saint Louis, MO 63110, 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; The Andrew M. and Jane M. Bursky Center for Human Immunology and Immunotherapy Programs, Washington University School of Medicine, Saint Louis, MO 63110, USA.
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