دورية أكاديمية
Enhanced Assessment of Cross-Reactive Antigenic Determinants within the Spike Protein.
العنوان: | Enhanced Assessment of Cross-Reactive Antigenic Determinants within the Spike Protein. |
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المؤلفون: | Lechuga GC; Center for Technological Development in Health (CDTS), National Institute of Science and Technology for Innovation in Neglected Population Diseases (INCT-IDPN), Oswald Cruz Foundation (FIOCRUZ), Rio de Janeiro 21040-900, Brazil.; Cellular Ultrastructure Laboratory, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro 21040-900, Brazil., Temerozo JR; Laboratory on Thymus Research, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro 21040-900, Brazil.; National Institute for Science and Technology on Neuroimmunomodulation, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro 21040-900, Brazil., Napoleão-Pêgo P; Center for Technological Development in Health (CDTS), National Institute of Science and Technology for Innovation in Neglected Population Diseases (INCT-IDPN), Oswald Cruz Foundation (FIOCRUZ), Rio de Janeiro 21040-900, Brazil., Carvalho JPRS; Center for Technological Development in Health (CDTS), National Institute of Science and Technology for Innovation in Neglected Population Diseases (INCT-IDPN), Oswald Cruz Foundation (FIOCRUZ), Rio de Janeiro 21040-900, Brazil.; Graduate Program in Science and Biotechnology, Department of Molecular and Cellular Biology, Biology Institute, Fluminense Federal University, Niterói 24220-900, Brazil., Gomes LR; Center for Technological Development in Health (CDTS), National Institute of Science and Technology for Innovation in Neglected Population Diseases (INCT-IDPN), Oswald Cruz Foundation (FIOCRUZ), Rio de Janeiro 21040-900, Brazil., Bou-Habib DC; Laboratory on Thymus Research, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro 21040-900, Brazil.; National Institute for Science and Technology on Neuroimmunomodulation, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro 21040-900, Brazil., Morel CM; Center for Technological Development in Health (CDTS), National Institute of Science and Technology for Innovation in Neglected Population Diseases (INCT-IDPN), Oswald Cruz Foundation (FIOCRUZ), Rio de Janeiro 21040-900, Brazil., Provance DW Jr; Center for Technological Development in Health (CDTS), National Institute of Science and Technology for Innovation in Neglected Population Diseases (INCT-IDPN), Oswald Cruz Foundation (FIOCRUZ), Rio de Janeiro 21040-900, Brazil., Souza TML; Center for Technological Development in Health (CDTS), National Institute of Science and Technology for Innovation in Neglected Population Diseases (INCT-IDPN), Oswald Cruz Foundation (FIOCRUZ), Rio de Janeiro 21040-900, Brazil.; Laboratory of Immunopharmacology, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro 21040-900, Brazil., De-Simone SG; Center for Technological Development in Health (CDTS), National Institute of Science and Technology for Innovation in Neglected Population Diseases (INCT-IDPN), Oswald Cruz Foundation (FIOCRUZ), Rio de Janeiro 21040-900, Brazil.; Graduate Program in Science and Biotechnology, Department of Molecular and Cellular Biology, Biology Institute, Fluminense Federal University, Niterói 24220-900, Brazil.; Epidemiology and Molecular Systematics Laboratory, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro 21040-900, Brazil. |
المصدر: | International journal of molecular sciences [Int J Mol Sci] 2024 Jul 26; Vol. 25 (15). Date of Electronic Publication: 2024 Jul 26. |
نوع المنشور: | Journal Article |
اللغة: | English |
بيانات الدورية: | Publisher: MDPI Country of Publication: Switzerland NLM ID: 101092791 Publication Model: Electronic Cited Medium: Internet ISSN: 1422-0067 (Electronic) Linking ISSN: 14220067 NLM ISO Abbreviation: Int J Mol Sci Subsets: MEDLINE |
أسماء مطبوعة: | Original Publication: Basel, Switzerland : MDPI, [2000- |
مواضيع طبية MeSH: | Spike Glycoprotein, Coronavirus*/immunology , Cross Reactions*/immunology , SARS-CoV-2*/immunology , COVID-19*/immunology , COVID-19*/virology , Antibodies, Viral*/immunology , Antibodies, Viral*/blood , Epitopes, B-Lymphocyte*/immunology , Dengue Virus*/immunology, Humans ; Dengue/immunology ; Dengue/virology ; Antibody-Dependent Enhancement/immunology ; Pandemics ; Immunodominant Epitopes/immunology |
مستخلص: | Despite successful vaccination efforts, the emergence of new SARS-CoV-2 variants poses ongoing challenges to control COVID-19. Understanding humoral responses regarding SARS-CoV-2 infections and their impact is crucial for developing future vaccines that are effective worldwide. Here, we identified 41 immunodominant linear B-cell epitopes in its spike glycoprotein with an SPOT synthesis peptide array probed with a pool of serum from hospitalized COVID-19 patients. The bioinformatics showed a restricted set of epitopes unique to SARS-CoV-2 compared to other coronavirus family members. Potential crosstalk was also detected with Dengue virus (DENV), which was confirmed by screening individuals infected with DENV before the COVID-19 pandemic in a commercial ELISA for anti-SARS-CoV-2 antibodies. A high-resolution evaluation of antibody reactivity against peptides representing epitopes in the spike protein identified ten sequences in the NTD, RBD, and S2 domains. Functionally, antibody-dependent enhancement (ADE) in SARS-CoV-2 infections of monocytes was observed in vitro with pre-pandemic Dengue-positive sera. A significant increase in viral load was measured compared to that of the controls, with no detectable neutralization or considerable cell death, suggesting its role in viral entry. Cross-reactivity against peptides from spike proteins was observed for the pre-pandemic sera. This study highlights the importance of identifying specific epitopes generated during the humoral response to a pathogenic infection to understand the potential interplay of previous and future infections on diseases and their impact on vaccinations and immunodiagnostics. |
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معلومات مُعتمدة: | #110.198-13 ; #210.003/ 2018 Carlos Chagas Filho Foundation for Research Support of the State of Rio de Ja0neiro/FAPERJ; #467.488/2014-2;#301744/2019-0 Brazilian Council for Scientific Research (CNPq). |
فهرسة مساهمة: | Keywords: B-cell epitope; COVID-19; Dengue virus; SARS-CoV-2 variants; antibody-mediated enhancement; spike protein; vaccination |
المشرفين على المادة: | 0 (Spike Glycoprotein, Coronavirus) 0 (spike protein, SARS-CoV-2) 0 (Antibodies, Viral) 0 (Epitopes, B-Lymphocyte) 0 (Immunodominant Epitopes) |
تواريخ الأحداث: | Date Created: 20240810 Date Completed: 20240810 Latest Revision: 20240812 |
رمز التحديث: | 20240813 |
مُعرف محوري في PubMed: | PMC11311977 |
DOI: | 10.3390/ijms25158180 |
PMID: | 39125749 |
قاعدة البيانات: | MEDLINE |
تدمد: | 1422-0067 |
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DOI: | 10.3390/ijms25158180 |