Abstract
Studies of cutaneous leishmaniasis in 3 endemic foci in Tachira state, western Venezuela have revealed sympatric populations of parasites causing both cutaneous and mucocutaneous disease. Immunological techniques and measurement of protease/acid phosphatase activities have been used to detect species-specific parasite antigens from 3 isolates from Tachira. Identified antigens of particular interest had molecular masses of 100, 82, 66, 50 and 27 kDa, but there was a high degree of heterogeneity between the antigens of the Tachira isolates and other Venezuelan strains of Leishmania braziliensis and L. mexicana. This heterogeneity has implications concerning the selection of antigens for use in serodiagnosis of leishmaniasis.
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More From: Transactions of the Royal Society of Tropical Medicine and Hygiene
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