Two-Year Prospective Study of the Humoral Immune Response of Patients with Severe Acute Respiratory Syndrome
Identifieur interne : 004023 ( Main/Exploration ); précédent : 004022; suivant : 004024Two-Year Prospective Study of the Humoral Immune Response of Patients with Severe Acute Respiratory Syndrome
Auteurs : Wei Liu ; Arnaud Fontanet [France] ; Pan-He Zhang ; Lin Zhan ; Zhong-Tao Xin [République populaire de Chine] ; Laurence Baril [France] ; Fang Tang ; Hui Lv ; Wu-Chun CaoSource :
- The Journal of Infectious Diseases [ 0022-1899 ] ; 2006.
Descripteurs français
- KwdFr :
- Anticorps antiviraux (immunologie), Anticorps antiviraux (sang), Humains, Immunoglobuline G (sang), Production d'anticorps, Syndrome respiratoire aigu sévère (immunologie), Syndrome respiratoire aigu sévère (virologie), Tests de neutralisation, Virus du SRAS (immunologie), Études de cohortes, Études prospectives.
- MESH :
English descriptors
- KwdEn :
- MESH :
- chemical , blood : Antibodies, Viral, Immunoglobulin G.
- chemical , immunology : Antibodies, Viral.
- immunology : SARS Virus, Severe Acute Respiratory Syndrome.
- virology : Severe Acute Respiratory Syndrome.
- Antibody Formation, Cohort Studies, Humans, Neutralization Tests, Prospective Studies.
Abstract
In a cohort study of 56 convalescent patients with severe acute respiratory syndrome (SARS), titers of immunoglobulin G (IgG) antibodies and neutralizing antibodies (NAbs) against SARS-associated coronavirus were assessed at regular intervals (at 1, 4, 7, 10, 16, and 24 months after the onset of disease) by use of enzyme-linked immunosorbent assay and neutralization assay. IgG antibody and NAb titers were highly correlated, peaking at month 4 after the onset of disease and decreasing thereafter. IgG antibodies remained detectable in all patients until month 16, and they became undetectable in 11.8% of patients at month 24. The finding that NAbs remained detectable throughout follow-up is reassuring in terms of protection provided against reinfection; however, NAb titers decreased markedly after month 16
Url:
- https://api.istex.fr/ark:/67375/HXZ-Z51GN8D8-0/fulltext.pdf
- http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7109932
DOI: 10.1086/500469
Affiliations:
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Le document en format XML
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<front><div type="abstract">In a cohort study of 56 convalescent patients with severe acute respiratory syndrome (SARS), titers of immunoglobulin G (IgG) antibodies and neutralizing antibodies (NAbs) against SARS-associated coronavirus were assessed at regular intervals (at 1, 4, 7, 10, 16, and 24 months after the onset of disease) by use of enzyme-linked immunosorbent assay and neutralization assay. IgG antibody and NAb titers were highly correlated, peaking at month 4 after the onset of disease and decreasing thereafter. IgG antibodies remained detectable in all patients until month 16, and they became undetectable in 11.8% of patients at month 24. The finding that NAbs remained detectable throughout follow-up is reassuring in terms of protection provided against reinfection; however, NAb titers decreased markedly after month 16</div>
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