Resumen
Se estudió la inmunidad mediada por células (IMC) frente a derivados proteicos purificados de Mycobacterium leprae, Mycobacterium tuberculosis, Myco- bacterium avium y Mycobacterium marinum. Se efectuaron tests cutineos de hipersensibilidad retardada einhibicién de la migración de leucocitos in vitro en 44 pacientes hansenianos (20 virchowianos quiescentes, 13 virchowianos reaccionales y 11 tuberculoides) y en 15 testigos sanos. Se observóuna alteración de la inhibicifin de la migración de leucocitos y de la hipersensibilidad cutinea frente a M. leprae y M. marinum en los pacientes vircho- wianos, quiescentes y reaccionales. La respuesta de la IMC frente a todos los antigenos micobacterianos se encontró aumentada en los pacientes tuberculoides, y se observó una respuesta débil frente a M. leprae y M. marinum en los controles sanos. Los resultados obtenidos muestran una estrecha correlación entre la IMC frente a M. leprae y M. marinum en todos los casos, la cual podria expresar reactividad cruzada entre ambos antígenos.
Citas
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