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  • Title: Entamoeba histolytica autochthonous isolates from mentally retarded Italian patients.
    Author: Gatti S, Cevini C, Marchi L, Novati S, Scaglia M.
    Journal: Parasitol Res; 1995; 81(2):148-51. PubMed ID: 7731923.
    Abstract:
    A total of 77 mentally retarded male inpatients residing in a psychiatric institution in northern Italy were screened for the presence of stool parasites, Entamoeba histolytica particularly. Parasitological stool examination showed Entamoeba spp. (E. histolytica and/or E. dispar) in 26 cases (33.7%). In vitro culture on Robinson's medium was positive in 16 cases (61.1%); in 11 cases we could stabilize and clone the isolates and proceed to electrophoretic assays. In all cases, patterns of pathogenic zymodemes were found (zymodeme II, 3 isolates; zymodeme XII, 4 isolates; zymodeme XIV, 4 isolates). All isolates were therefore identified as E. histolytica.
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