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  • Title: Experimental amebiasis: molecular weight analysis of Entamoeba histolytica antigens recognized by IgG antibodies.
    Author: Ghosh PK, Gupta S, Ghosh R, Ruiz BH, Ortiz-Ortiz L.
    Journal: Indian J Exp Biol; 1999 Aug; 37(8):803-6. PubMed ID: 10709329.
    Abstract:
    The reactivity of sera from experimentally infected animal was studied from 5-60 days postinoculation to determine which of the E. histolytica antigens are recognized frequently to infection. Crude extract of E. histolytica trophozoites was used and sera were examined by immunoelectrotransference assay. It was observed that sera recognized polypeptide with 70 kDa molecular mass after 15 days postinoculation onward and later 14 to 24 polypeptide with molecular weight of 110-22 kDa were recognized. All the amebic antigens (polypeptides) could be recognized by sera till 60 days postinoculated animals. Significance of expression of different amebic polypeptides in terms of pathogenesis needs further investigations.
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