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  • Title: Identification of Entamoeba histolytica antigens recognized by IgA class human antibodies in sera and colostra of puerperal women using immunoblotting techniques.
    Author: Berber AC, Escobar A, Zamora M, Acosta G.
    Journal: Arch Invest Med (Mex); 1990; 21 Suppl 1():97-101. PubMed ID: 2136509.
    Abstract:
    Immunodetection of total antigens of Entamoeba histolytica trophozoites transferred to nitrocellulose paper was realized with IgA antibodies present in colostra and sera samples of 28 puerperal women and in 24 sera samples of patients with a diagnosis of amebic hepatic abscess. The most frequently recognized antigens by colostra antibodies were those which correspond to 1290, 82.79, 52.14, 40.91, 37.75, 35.08, 33.52, 28.53, 27.53 and 25.32 KDa of molecular weight, in the case of puerperal sera those of 82.79, 52.14, 40.91, 37.75, 35.08, 33.52, 28.53, 27.53, and 25.32 KDa, whereas the sera of patients with amebic hepatic abscess those of molecular weight of 719, 118.45, 88.45, 69.45, 55.26, 52.14, 49.38, 42.72, 36.81, 35.08, 33.52, 25.32, 23.82, 23.47, 20.52 and 20.03 KDa. The putative adhesins were recognized infrequently by Iga of puerperal colostra and sera while the IgA of sera of patients with amebic hepatic abscess recognized those of 118.45 KDa (112 KDa in other studies) in 83.33% of the cases.
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