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Cabral-Marques O, Moll G, Catar R, Preuß B, Bankamp L, Pecher AC, Henes J, Klein R, Kamalanathan AS, Akbarzadeh R, van Oostveen W, Hohberger B, Endres M, Koolmoes B, Levarht N, Postma R, van Duinen V, van Zonneveld AJ, de Vries-Bouwstra J, Fehres C, Tran F, do Vale FYN, da Silva Souza KB, Filgueiras IS, Schimke LF, Baiocchi GC, de Miranda GC, da Fonseca DLM, Freire PP, Hackel AM, Grasshoff H, Stähle A, Müller A, Dechend R, Yu X, Petersen F, Sotzny F, Sakmar TP, Ochs HD, Schulze-Forster K, Heidecke H, Scheibenbogen C, Shoenfeld Y, Riemekasten G. Autoantibodies targeting G protein-coupled receptors: An evolving history in autoimmunity. Report of the 4th international symposium. Autoimmun Rev 2023; 22:103310. [PMID: 36906052 DOI: 10.1016/j.autrev.2023.103310] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 03/02/2023] [Indexed: 03/11/2023]
Abstract
G protein-coupled receptors (GPCR) are involved in various physiological and pathophysiological processes. Functional autoantibodies targeting GPCRs have been associated with multiple disease manifestations in this context. Here we summarize and discuss the relevant findings and concepts presented in the biennial International Meeting on autoantibodies targeting GPCRs (the 4th Symposium), held in Lübeck, Germany, 15-16 September 2022. The symposium focused on the current knowledge of these autoantibodies' role in various diseases, such as cardiovascular, renal, infectious (COVID-19), and autoimmune diseases (e.g., systemic sclerosis and systemic lupus erythematosus). Beyond their association with disease phenotypes, intense research related to the mechanistic action of these autoantibodies on immune regulation and pathogenesis has been developed, underscoring the role of autoantibodies targeting GPCRs on disease outcomes and etiopathogenesis. The observation repeatedly highlighted that autoantibodies targeting GPCRs could also be present in healthy individuals, suggesting that anti-GPCR autoantibodies play a physiologic role in modeling the course of diseases. Since numerous therapies targeting GPCRs have been developed, including small molecules and monoclonal antibodies designed for treating cancer, infections, metabolic disorders, or inflammatory conditions, anti-GPCR autoantibodies themselves can serve as therapeutic targets to reduce patients' morbidity and mortality, representing a new area for the development of novel therapeutic interventions.
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Affiliation(s)
- Otávio Cabral-Marques
- Department of Medicine, Division of Molecular Medicine, University of São Paulo School of Medicine, São Paulo, Brazil; Laboratory of Medical Investigation 29, University of São Paulo School of Medicine, São Paulo, Brazil; Department of Pharmacy and Postgraduate Program of Health and Science, Federal University of Rio Grande do Norte, Natal, Brazil; Department of Immunology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil; Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil; Interunit Postgraduate Program on Bioinformatics, Institute of Mathematics and Statistics (IME), University of Sao Paulo (USP), Sao Paulo, Brazil.
| | - Guido Moll
- Department of Nephrology and Internal Intensive Care Medicine, Charité University Hospital, Berlin, Germany; BIH Center for Regenerative Therapies (BCRT) and Berlin-Brandenburg School for Regenerative Therapies (BSRT), all Charité Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
| | - Rusan Catar
- Department of Nephrology and Internal Intensive Care Medicine, Charité University Hospital, Berlin, Germany
| | - Beate Preuß
- Department of Internal Medicine II, University of Tübingen, Tübingen, Germany
| | - Lukas Bankamp
- Department of Internal Medicine II, University of Tübingen, Tübingen, Germany
| | - Ann-Christin Pecher
- Department of Internal Medicine II, University of Tübingen, Tübingen, Germany
| | - Joerg Henes
- Department of Internal Medicine II, University of Tübingen, Tübingen, Germany
| | - Reinhild Klein
- Department of Internal Medicine II, University of Tübingen, Tübingen, Germany
| | - A S Kamalanathan
- Centre for BioSeparation Technology, Vellore Institute of Technology (VIT), Vellore, Tamil Nadu, India
| | - Reza Akbarzadeh
- Department of Rheumatology and Clinical Immunology, University of Lübeck, Lübeck, Germany
| | - Wieke van Oostveen
- Leiden University Medical Center (LUMC), Department of Rheumatology, Leiden, the Netherlands
| | - Bettina Hohberger
- Department of Ophthalmology, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Matthias Endres
- Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt- Universität zu Berlin, Department of Neurology with Experimental Neurology, Berlin, Germany.; Berlin Institute of Health at Charité - Universitätsmedizin Berlin, BIH Biomedical Innovation Academy, Berlin, Germany; Charité - Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, NeuroCure Cluster of Excellence, Berlin, Germany; Charité - Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Center for Stroke Research Berlin, Berlin, Germany; German Center for Neurodegenerative Diseases (DZNE), Partner Site Berlin, Germany; German Centre for Cardiovascular Research (DZHK), Partner Site Berlin, Berlin, Germany
| | - Bryan Koolmoes
- Leiden University Medical Center (LUMC), Department of Rheumatology, Leiden, the Netherlands
| | - Nivine Levarht
- Leiden University Medical Center (LUMC), Department of Rheumatology, Leiden, the Netherlands
| | - Rudmer Postma
- LUMC, Department of Internal Medicine (Nephrology), Einthoven Laboratory for Vascular and Regenerative Medicine, Leiden, the Netherlands
| | - Vincent van Duinen
- LUMC, Department of Internal Medicine (Nephrology), Einthoven Laboratory for Vascular and Regenerative Medicine, Leiden, the Netherlands
| | - Anton Jan van Zonneveld
- LUMC, Department of Internal Medicine (Nephrology), Einthoven Laboratory for Vascular and Regenerative Medicine, Leiden, the Netherlands
| | - Jeska de Vries-Bouwstra
- Leiden University Medical Center (LUMC), Department of Rheumatology, Leiden, the Netherlands
| | - Cynthia Fehres
- Leiden University Medical Center (LUMC), Department of Rheumatology, Leiden, the Netherlands
| | - Florian Tran
- Institute of Clinical Molecular Biology, Kiel University, Kiel, Germany
| | - Fernando Yuri Nery do Vale
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
| | | | - Igor Salerno Filgueiras
- Department of Immunology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Lena F Schimke
- Department of Immunology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Gabriela Crispim Baiocchi
- Department of Immunology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Gustavo Cabral de Miranda
- Department of Immunology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Dennyson Leandro Mathias da Fonseca
- Interunit Postgraduate Program on Bioinformatics, Institute of Mathematics and Statistics (IME), University of Sao Paulo (USP), Sao Paulo, Brazil
| | - Paula Paccielli Freire
- Department of Immunology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Alexander M Hackel
- Department of Rheumatology and Clinical Immunology, University of Lübeck, Lübeck, Germany
| | - Hanna Grasshoff
- Department of Rheumatology and Clinical Immunology, University of Lübeck, Lübeck, Germany
| | - Anja Stähle
- Department of Rheumatology and Clinical Immunology, University of Lübeck, Lübeck, Germany
| | - Antje Müller
- Department of Rheumatology and Clinical Immunology, University of Lübeck, Lübeck, Germany
| | - Ralf Dechend
- Experimental and Clinical Research Center, A collaboration of Max Delbruck Center for Molecular Medicine and Charité Universitätsmedizin, and HELIOS Clinic, Department of Cardiology and Nephrology, Berlin 13125, Germany
| | - Xinhua Yu
- Priority Area Chronic Lung Diseases, Research Center Borstel (RCB), Member of the German Center for Lung Research (DZL), Borstel, Germany
| | - Frank Petersen
- Priority Area Chronic Lung Diseases, Research Center Borstel (RCB), Member of the German Center for Lung Research (DZL), Borstel, Germany
| | - Franziska Sotzny
- Institute for Medical Immunology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt Universität Zu Berlin, Berlin, Germany
| | - Thomas P Sakmar
- Laboratory of Chemical Biology and Signal Transduction, The Rockefeller University, New York, NY, USA
| | - Hans D Ochs
- University of Washington School of Medicine and Seattle Children's Research Institute, Seattle, WA, USA
| | | | | | - Carmen Scheibenbogen
- Institute for Medical Immunology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt Universität Zu Berlin, Berlin, Germany
| | - Yehuda Shoenfeld
- Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Tel-Hashomer, Ramat-Gan, Israel
| | - Gabriela Riemekasten
- Department of Rheumatology and Clinical Immunology, University of Lübeck, Lübeck, Germany.
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Sotzny F, Filgueiras IS, Kedor C, Freitag H, Wittke K, Bauer S, Sepúlveda N, Mathias da Fonseca DL, Baiocchi GC, Marques AHC, Kim M, Lange T, Plaça DR, Luebber F, Paulus FM, De Vito R, Jurisica I, Schulze-Forster K, Paul F, Bellmann-Strobl J, Rust R, Hoppmann U, Shoenfeld Y, Riemekasten G, Heidecke H, Cabral-Marques O, Scheibenbogen C. Dysregulated autoantibodies targeting vaso- and immunoregulatory receptors in Post COVID Syndrome correlate with symptom severity. Front Immunol 2022; 13:981532. [PMID: 36238301 PMCID: PMC9552223 DOI: 10.3389/fimmu.2022.981532] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 08/22/2022] [Indexed: 11/13/2022] Open
Abstract
Most patients with Post COVID Syndrome (PCS) present with a plethora of symptoms without clear evidence of organ dysfunction. A subset of them fulfills diagnostic criteria of myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS). Symptom severity of ME/CFS correlates with natural regulatory autoantibody (AAB) levels targeting several G-protein coupled receptors (GPCR). In this exploratory study, we analyzed serum AAB levels against vaso- and immunoregulatory receptors, mostly GPCRs, in 80 PCS patients following mild-to-moderate COVID-19, with 40 of them fulfilling diagnostic criteria of ME/CFS. Healthy seronegative (n=38) and asymptomatic post COVID-19 controls (n=40) were also included in the study as control groups. We found lower levels for various AABs in PCS compared to at least one control group, accompanied by alterations in the correlations among AABs. Classification using random forest indicated AABs targeting ADRB2, STAB1, and ADRA2A as the strongest classifiers (AABs stratifying patients according to disease outcomes) of post COVID-19 outcomes. Several AABs correlated with symptom severity in PCS groups. Remarkably, severity of fatigue and vasomotor symptoms were associated with ADRB2 AAB levels in PCS/ME/CFS patients. Our study identified dysregulation of AAB against various receptors involved in the autonomous nervous system (ANS), vaso-, and immunoregulation and their correlation with symptom severity, pointing to their role in the pathogenesis of PCS.
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Affiliation(s)
- Franziska Sotzny
- Institute for Medical Immunology, Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt Universität zu Berlin, Berlin, Germany
- *Correspondence: Franziska Sotzny, ; Igor Salerno Filgueiras, ; Otavio Cabral-Marques, ; Carmen Scheibenbogen,
| | - Igor Salerno Filgueiras
- Department of Immunology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
- *Correspondence: Franziska Sotzny, ; Igor Salerno Filgueiras, ; Otavio Cabral-Marques, ; Carmen Scheibenbogen,
| | - Claudia Kedor
- Institute for Medical Immunology, Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt Universität zu Berlin, Berlin, Germany
| | - Helma Freitag
- Institute for Medical Immunology, Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt Universität zu Berlin, Berlin, Germany
| | - Kirsten Wittke
- Institute for Medical Immunology, Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt Universität zu Berlin, Berlin, Germany
| | - Sandra Bauer
- Institute for Medical Immunology, Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt Universität zu Berlin, Berlin, Germany
| | - Nuno Sepúlveda
- Faculty of Mathematics and Information Science, Warsaw University of Technology, Warsaw, Poland
- CEAUL – Centro de Estatística e Aplicações da Universidade de Lisboa, Lisbon, Portugal
| | | | - Gabriela Crispim Baiocchi
- Department of Immunology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Alexandre H. C. Marques
- Department of Immunology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Myungjin Kim
- Data Science Initiative, Brown University, Providence, RI, United States
| | - Tanja Lange
- Department of Rheumatology and Clinical Immunology, University of Lübeck, Lübeck, Germany
| | - Desirée Rodrigues Plaça
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
| | - Finn Luebber
- Department of Rheumatology and Clinical Immunology, University of Lübeck, Lübeck, Germany
- Department of Psychiatry and Psychotherapy, University of Lübeck, Lübeck, Germany
| | - Frieder M. Paulus
- Department of Psychiatry and Psychotherapy, University of Lübeck, Lübeck, Germany
| | - Roberta De Vito
- Department of Biostatistics and the Data Science Initiative, Brown University, Providence, RI, United States
| | - Igor Jurisica
- Osteoarthritis Research Program, Division of Orthopedic Surgery, Schroeder Arthritis Institute, University Health Network, Toronto, ON, Canada
- Data Science Discovery Centre for Chronic Diseases, Krembil Research Institute, University Health Network, Toronto, ON, Canada
- Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada
- Department of Computer Science, University of Toronto, Toronto, ON, Canada
- Institute of Neuroimmunology, Slovak Academy of Sciences, Bratislava, Slovakia
| | | | - Friedemann Paul
- Experimental and Clinical Research Center, a cooperation between the Max Delbrück Center for Molecular Medicine in the Helmholtz Association and Charité Universitätsmedizin Berlin, Berlin, Germany
- Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Experimental and Clinical Research Center, Berlin, Germany
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany
- NeuroCure Clinical Research Center, Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
| | - Judith Bellmann-Strobl
- Institute for Medical Immunology, Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt Universität zu Berlin, Berlin, Germany
- Experimental and Clinical Research Center, a cooperation between the Max Delbrück Center for Molecular Medicine in the Helmholtz Association and Charité Universitätsmedizin Berlin, Berlin, Germany
- Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Experimental and Clinical Research Center, Berlin, Germany
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany
| | - Rebekka Rust
- Institute for Medical Immunology, Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt Universität zu Berlin, Berlin, Germany
- Experimental and Clinical Research Center, a cooperation between the Max Delbrück Center for Molecular Medicine in the Helmholtz Association and Charité Universitätsmedizin Berlin, Berlin, Germany
- Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Experimental and Clinical Research Center, Berlin, Germany
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany
| | - Uta Hoppmann
- Institute for Medical Immunology, Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt Universität zu Berlin, Berlin, Germany
- Experimental and Clinical Research Center, a cooperation between the Max Delbrück Center for Molecular Medicine in the Helmholtz Association and Charité Universitätsmedizin Berlin, Berlin, Germany
- Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Experimental and Clinical Research Center, Berlin, Germany
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany
| | - Yehuda Shoenfeld
- Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Affiliated with the Sackler Faculty of Medicine, Tel-Aviv University, Tel-Hashomer, Israel
- Ariel University, Ariel, Israel
| | - Gabriela Riemekasten
- Department of Rheumatology and Clinical Immunology, University of Lübeck, Lübeck, Germany
| | | | - Otavio Cabral-Marques
- Department of Immunology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
- Interunit PostGraduate Program on Bioinformatics, Institute of Mathematics and Statistics (IME), University of Sao Paulo, Sao Paulo, Brazil
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
- Network of Immunity in Infection, Malignancy, and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), Sao Paulo, Brazil
- Department of Pharmacy, Federal University of Rio Grande do Norte, Natal, RN, Brazil
- *Correspondence: Franziska Sotzny, ; Igor Salerno Filgueiras, ; Otavio Cabral-Marques, ; Carmen Scheibenbogen,
| | - Carmen Scheibenbogen
- Institute for Medical Immunology, Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt Universität zu Berlin, Berlin, Germany
- *Correspondence: Franziska Sotzny, ; Igor Salerno Filgueiras, ; Otavio Cabral-Marques, ; Carmen Scheibenbogen,
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Filgueiras IS, Torrentes de Carvalho A, Cunha DP, Mathias da Fonseca DL, El Khawanky N, Freire PP, Cabral-Miranda G, Schimke LF, Camara NOS, Ochs HD, Peron JPS, Cabral-Marques O, de Vasconcelos ZFM. The clinical spectrum and immunopathological mechanisms underlying ZIKV-induced neurological manifestations. PLoS Negl Trop Dis 2021; 15:e0009575. [PMID: 34351896 PMCID: PMC8341629 DOI: 10.1371/journal.pntd.0009575] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Since the 2015 to 2016 outbreak in America, Zika virus (ZIKV) infected almost 900,000 patients. This international public health emergency was mainly associated with a significant increase in the number of newborns with congenital microcephaly and abnormal neurologic development, known as congenital Zika syndrome (CZS). Furthermore, Guillain-Barré syndrome (GBS), a neuroimmune disorder of adults, has also been associated with ZIKV infection. Currently, the number of ZIKV-infected patients has decreased, and most of the cases recently reported present as a mild and self-limiting febrile illness. However, based on its natural history of a typical example of reemerging pathogen and the lack of specific therapeutic options against ZIKV infection, new outbreaks can occur worldwide, demanding the attention of researchers and government authorities. Here, we discuss the clinical spectrum and immunopathological mechanisms underlying ZIKV-induced neurological manifestations. Several studies have confirmed the tropism of ZIKV for neural progenitor stem cells by demonstrating the presence of ZIKV in the central nervous system (CNS) during fetal development, eliciting a deleterious inflammatory response that compromises neurogenesis and brain formation. Of note, while the neuropathology of CZS can be due to a direct viral neuropathic effect, adults may develop neuroimmune manifestations such as GBS due to poorly understood mechanisms. Antiganglioside autoantibodies have been detected in multiple patients with ZIKV infection-associated GBS, suggesting a molecular mimicry. However, further additional immunopathological mechanisms remain to be uncovered, paving the way for new therapeutic strategies.
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Affiliation(s)
- Igor Salerno Filgueiras
- Department of Immunology, Institute of Biomedical Sciences of University of São Paulo, São Paulo, Brazil
| | - Amanda Torrentes de Carvalho
- Department of Immunobiology, Institute of Biology of Federal University of Fluminense, Niterói, Rio de Janeiro, Brazil
| | - Daniela Prado Cunha
- Department of Clinical Research, Instituto Fernandes Figueira, Fiocruz, Rio de Janeiro, Brazil
| | | | - Nadia El Khawanky
- Department of Hematology and Oncology, Faculty of Medicine, the University of Freiburg, Freiburg, Germany
| | - Paula Paccielli Freire
- Department of Immunology, Institute of Biomedical Sciences of University of São Paulo, São Paulo, Brazil
| | - Gustavo Cabral-Miranda
- Department of Immunology, Institute of Biomedical Sciences of University of São Paulo, São Paulo, Brazil
| | - Lena F. Schimke
- Department of Immunology, Institute of Biomedical Sciences of University of São Paulo, São Paulo, Brazil
| | - Niels Olsen Saraiva Camara
- Department of Immunology, Institute of Biomedical Sciences of University of São Paulo, São Paulo, Brazil
| | - Hans D. Ochs
- Department of Pediatrics, University of Washington School of Medicine and Seattle Children’s Research Institute, Seattle, Washington, United States of America
| | | | - Otávio Cabral-Marques
- Department of Immunology, Institute of Biomedical Sciences of University of São Paulo, São Paulo, Brazil
- Department of Clinical Analyses and Toxicology, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
- Network of Immunity in Infection, Malignancy, and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), São Paulo, Brazil
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Rodrigues EPS, Abreu IN, Lima CNC, da Fonseca DLM, Pereira SFG, Dos Reis LC, Vallinoto IMVC, Guerreiro JF, Vallinoto ACR. High prevalence of anti-SARS-CoV-2 IgG antibody in the Xikrin of Bacajá (Kayapó) indigenous population in the brazilian Amazon. Int J Equity Health 2021; 20:50. [PMID: 33509206 PMCID: PMC7841757 DOI: 10.1186/s12939-021-01392-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Accepted: 01/19/2021] [Indexed: 11/10/2022] Open
Abstract
The COVID-19 pandemic caused by Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) reached the Brazilian Amazon and spread among indigenous populations. In the present study, we demonstrate a high prevalence of infection among the Xikrin of Bacajá people (Kayapó). A sample of 100 individuals of both sexes (51 men and 49 women) with ages ranging from 2 to 82 years were clinically evaluated and tested for the presence of anti-SARS-CoV-2 IgG antibody. Among all investigated individuals, 58 were IgG-reactive (58 %) by a rapid test, and 73 (73 %) were reactive in an enzyme-linked immunosorbent assay, with no difference between sexes. Oxygen saturation ranged from 82 to 99 %, with the lowest value observed in a two-year-old girl. The results show that as expected, SARS-CoV-2 infection rapidly reached more than 70 % of the population, most likely because of the difficulties of maintaining social distance due to cultural characteristics. These results highlight the importance of indigenous health policies as a means of minimizing the impact of the pandemic on these communities.
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Affiliation(s)
- Eliene Putira Sacuema Rodrigues
- Laboratório de Genética Humana e Médica, Instituto de Ciências Biológicas da Universidade Federal do Pará, Belém, PA, Brasil
| | - Isabella Nogueira Abreu
- Laboratório de Virologia, Instituto de Ciências Biológicas da Universidade Federal do Pará, Belém, PA, Brasil
| | | | | | | | - Laena Costa Dos Reis
- Programa de Pós-graduação em Enfermagem, Instituto de Ciências da Saúde da Universidade Federal do Pará, Belém, PA, Brasil
| | | | - João Farias Guerreiro
- Laboratório de Genética Humana e Médica, Instituto de Ciências Biológicas da Universidade Federal do Pará, Belém, PA, Brasil
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