Cd63 And Cd123 Expression, Igg Autoantibody And Accuracy Of Autologous Serum Test In Patients With Chronic Urticaria [cd63 E Cd123 Expressão, Autoanticorpos Igg E Acurácia Do Teste Do Soro Autólogo Em Pacientes Com Urticária Crônica]

dc.creatorCalamita Z.
dc.creatorDa Silveira Antunes R.N.
dc.creatorDe Almeida Filho O.M.
dc.creatorBaleotti Jr. W.
dc.creatorCalamita A.B.P.
dc.creatorFukasawa J.T.
dc.creatorDe Aguiar Cavaretto D.
dc.date2012
dc.date2015-06-25T20:24:00Z
dc.date2015-11-26T15:19:21Z
dc.date2015-06-25T20:24:00Z
dc.date2015-11-26T15:19:21Z
dc.date.accessioned2018-03-28T22:28:53Z
dc.date.available2018-03-28T22:28:53Z
dc.identifier
dc.identifierJornal Brasileiro De Patologia E Medicina Laboratorial. , v. 48, n. 1, p. 21 - 28, 2012.
dc.identifier16762444
dc.identifier
dc.identifierhttp://www.scopus.com/inward/record.url?eid=2-s2.0-84858650086&partnerID=40&md5=32a114dce619345aeb7744fb0cac6550
dc.identifierhttp://www.repositorio.unicamp.br/handle/REPOSIP/90132
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/90132
dc.identifier2-s2.0-84858650086
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1259726
dc.descriptionIntroduction: The autologous serum skin test (ASST) may suggest an autoimmune etiology in chronic urticaria (CU). A new laboratory technique called basophil activation test (BAT) has been currently employed for its diagnosis. Objective: To analyze ASST in relation to BAT as well as to evaluate interleukin 3 (IL3) receptors (CD123) and non-specific immunoglobulin G (IgG) autoantibodies bound to basophils in patients with chronic urticaria. Methods: We studied 33 adults with CU and mean age of 42.5 + 14 years. After stimulation by serum from patients with CU, CD63 expression on basophils from one atopic donor was analyzed by flow cytometry. Furthermore, we investigated CD123 and IgG autoantibody expressions. Results: The odds ratio (OR) between ASST and BAT was 1.00 (95% confidence interval [CI]: 0.22 to 4.5). The ASST for autoimmune CU diagnosis showed an accuracy of 54.5%, sensitivity of 66%, specificity of 33%, positive predictive value of 63%, and negative predictive value of 36%. There was no statistical difference between the studied groups as to mean non-specific IgG and CD123 expressions (for a p < 0.05). Discussion: This study demonstrated that ASST has low accuracy in the diagnosis of autoimmune CU. Concerning other analyzed aspects, there was no statistical difference between positive ASST and negative ASST. Conclusions: Due to insufficient studies in this area and the relevance of this issue, further investigation is required.
dc.description48
dc.description1
dc.description21
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dc.languagept
dc.publisher
dc.relationJornal Brasileiro de Patologia e Medicina Laboratorial
dc.rightsaberto
dc.sourceScopus
dc.titleCd63 And Cd123 Expression, Igg Autoantibody And Accuracy Of Autologous Serum Test In Patients With Chronic Urticaria [cd63 E Cd123 Expressão, Autoanticorpos Igg E Acurácia Do Teste Do Soro Autólogo Em Pacientes Com Urticária Crônica]
dc.typeArtículos de revistas


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