Chagas' cardiopathy and trypanosoma cruzi zymodemes in Chile
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1987Metadata
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Apt Baruch, Werner
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Chagas' cardiopathy and trypanosoma cruzi zymodemes in Chile
Abstract
T. Cruzzi strains isolated from
97 Chilean subjects were cultured, centrifuged, and lysed to yield enzyme extracts. Subsequent electrophoretic testing of these extracts served to identify
three strains designated 21, Z?a, and
Z2b. 21, infecting two subjects, was a
wild strain of IT: cmzi transmitted by the
bug Triaoma spinolai; Da, infecting 16
subjects, was similar to a Brazilian strain
(Esmeraldo clone 3, 22); and Z2b, infecting 79 subjects, was similar to the Bolivian 22 strain (clone 1 SC43).
Two sets of EKG tracings and
clinical examinations spaced at least four
years apart provided data relating to cardiopathology. EKG alterations indicating chagasic cardiopathy were found in
both of the subjects infected with strain
21, eight (50%) of those infected with
Z2a, and 26 (33%) of those infected
with Z2b.
No statistically significant differences were found between the incidence of EKG alterations in subjects infected with different strains, perhaps
because of the small numbers involved.
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Bulletin of the Pan American Health Organization, Volumen 21, Issue 4, 1987, Pages 358-368
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