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Specific antibody deficiency in adult patients with igg or igg subclass deficiency

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dc.contributor.authorKim, JH-
dc.contributor.authorJang, JH-
dc.contributor.authorLee, SH-
dc.contributor.authorYang, EM-
dc.contributor.authorJang, SH-
dc.contributor.authorJung, KS-
dc.contributor.authorPark, HS-
dc.date.accessioned2022-12-26T00:39:20Z-
dc.date.available2022-12-26T00:39:20Z-
dc.date.issued2021-
dc.identifier.issn2092-7355-
dc.identifier.urihttp://repository.ajou.ac.kr/handle/201003/23553-
dc.description.abstractPurpose: Specific antibody deficiency (SAD) involves a deficient response to a polysaccharide vaccine despite having normal immunoglobulin levels. The failure of the polysaccharide response can be observed as a component of various primary antibody deficiencies. However, only a few studies have described the clinical and immunological profiles in SAD and/or other primary immunodeficiencies (PIDs) in adults. Methods: A total of 47 patients who had a clinical history suggestive of antibody deficiency or had already been diagnosed with various antibody deficiencies were enrolled. Polysaccharide responses to 7 pneumococcal serotypes (4, 6B, 9V, 14, 18C, 19F and 23F) were measured using the World Health Organization enzyme-linked immunosorbent assay (WHO-ELISA), and postvaccination immunoglobulin G (IgG) titers were compared to clinical and laboratory parameters. Results: Based on the American Academy of Allergy, Asthma, and Immunology (AAAAI) criteria for the WHO-ELISA, 11 (23.4%) patients were diagnosed as having SAD. Sixteen-three percent of them had combined with other types of PID, such as IgG subclass deficiency and hypogammaglobulinemia. Postvaccination IgG titers for the serotypes 4/9V/18C correlated with IgG2 (P = 0.012, P = 0.001, and P = 0.004) and for 6B/9V/14 with IgG3 (P = 0.003, P = 0.041, and P = 0.036, respectively). The IgG3 subclass levels negatively correlated with forced expiratory volume in 1 second (FEV1, %) and FEV1/forced vital capacity (P < 0.001 and P = 0.001, respectively). Conclusion: SAD can be diagnosed in patients with normal IgG levels as well as in those deficient in IgG or the IgG3 subclass, implicating that restricted responses to Streptococcus pneumoniae polysaccharide antigens commonly exist in patients with predominantly antibody deficiency.-
dc.language.isoen-
dc.titleSpecific antibody deficiency in adult patients with igg or igg subclass deficiency-
dc.typeArticle-
dc.identifier.pmid33474861-
dc.identifier.urlhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC7840874/-
dc.subject.keywordAdult-
dc.subject.keywordAntibodies-
dc.subject.keywordAsthma-
dc.subject.keywordIgG-
dc.subject.keywordImmunologic deficiency syndromes-
dc.subject.keywordInfection-
dc.subject.keywordPneumococcal vaccines-
dc.contributor.affiliatedAuthorJang, JH-
dc.contributor.affiliatedAuthorPark, HS-
dc.type.localJournal Papers-
dc.identifier.doi10.4168/AAIR.2021.13.2.271-
dc.citation.titleAllergy, asthma & immunology research-
dc.citation.volume13-
dc.citation.number2-
dc.citation.date2021-
dc.citation.startPage271-
dc.citation.endPage283-
dc.identifier.bibliographicCitationAllergy, asthma & immunology research, 13(2). : 271-283, 2021-
dc.identifier.eissn2092-7363-
dc.relation.journalidJ020927355-
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Journal Papers > School of Medicine / Graduate School of Medicine > Allergy
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