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Caracterização do anticorpo contra as formas globular e filamentosa da actina na hepatite auto-imune / Characterization of the antibodies against globular and filamentous forms of actn in autoimmune hepatitis
São Paulo; s.n; 2004. [126] p. ilus, tab, graf.
Thesis in Portuguese | LILACS | ID: lil-403610
RESUMO
Os objetivos do presente estudo foram determinar a freqüência de anticorpos contra a actina G (AG) e actina F (AF) na hepatite auto-imune tipo 1 e em controles; correlacionar a positividade desses anticorpos com o anticorpo anti-microfilamento (AMF); comparar AG e AF em experimentos de adsorção de soros. 250 soros (65 HAI-1 e 185 controles) foram testados por imunofluorescência indireta e por ELISA in house e disponível comercialmente. Reatividade contra AG e AF ocorreu em, respectivamente, 40 por cento e 58,5 por cento dos pacientes com HAI-1 com o ELISA in house. Com o ELISA comercial, 93,7 por cento dos soros foram reativos para AF. Em todos os grupos controles, houve elevada freqüência de positividade para AG e AF. Não houve correlação entre as reatividades contra AG e AF e os títulos do AMF e tanto a AG quanto a AF neutralizaram o padrão do AMF/The aims of this study were to assess the frequency of antibodies to G-actin and F-actin (GA and FA) in autoimmune hepatitis type1 and controls; to correlate the positivity of those antibodies to the reactivity to antimicrofilaments antibodies (AMF); to compare GA and FA in serum absorption experiments. 250 sera (65 AIH-1 and 185 controls) were tested by indirect immunofluorescence reaction and by ELISA developed in house and commercially purchased. Reactivity to GA and FA, respectively, was detected in 40 por cent and 58.5 por cent of AIH-1 patients by the in house ELISA. By the commercial ELISA, 93.7 por cent were reactivity to FA. All control groups had a high frequency of positivity to both FA and GA. There was no significant correlation between the reactivities to GA and FA and the titers of AMF and both GA and FA neutralized the AMF patter...
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Index: LILACS (Americas) Main subject: Actins / Hepatitis, Autoimmune Type of study: Observational study Limits: Animals / Female / Humans / Male Language: Portuguese Year: 2004 Type: Thesis

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Index: LILACS (Americas) Main subject: Actins / Hepatitis, Autoimmune Type of study: Observational study Limits: Animals / Female / Humans / Male Language: Portuguese Year: 2004 Type: Thesis