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    Vet Parasitol. 2002 Feb 4;103(4):341-53.

    Feline dirofilariosis: antibody response to antigenic fractions containing specific 20 to 30 kDa polypeptides from the adult Dirofilaria immitis somatic antigen.

    Prieto G, Ceciliani F, Venco L, Morchón R, Simón F.

    Source

    Laboratorio de Parasitología, Facultad de Farmacia, Universidad de Salamanca, Avda., Campo Charro s/n, 37007 Salamanca, Spain.

    Abstract

    Fractions from the adult somatic antigen (SA) Dirofilaria immitis complex, containing polypeptides from 20 to 30kDa, previously identified as molecular markers of feline dirofilariosis are isolated by sequential application of gel filtration and anion exchange chromatography. Indirect enzyme-linked immunosorbent assays, employing these fractions (20-26kDa/ELISAF1 and 30kDa/ELISAF7) show multivalent diagnostic capacities: they were able to detect pre-patent infections 2 months after infection, infections in clinical phase, and the fall of antibodies after the worms were removed from the heart, or the application of a ivermectin treatment. The results obtained by the two tests correlated well, in spite of the fact that ELISAF1 was most useful to detect antibodies in sera from cats in the clinical phase, while ELISAF7 has more sensitivity for the early detection of the infections. Both ELISAs were useful in the detection of the decrease of antibodies after the worms were removed by surgery or pharmacological treatment.

    PMID:
    11777613
    [PubMed - indexed for MEDLINE]

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