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Salud pública Méx ; 52(2): 165-169, Mar.-Apr. 2010. ilus
Article in Spanish | LILACS | ID: lil-553402

ABSTRACT

OBJETIVO: Detectar los antígenos de Leishmania (Leishmania) mexicana que reaccionan con sueros de pacientes con leishmaniosis cutánea (LC) de Sinaloa, México. MATERIAL Y MÉTODOS: Un extracto crudo de L. (L.) mexicana fue usado como antígeno para Western blots 2-D empleando sueros de cinco pacientes con LC y controles originarios de Sinaloa, México, durante el 2008. RESULTADOS: Cinco antígenos fueron detectados sólo por los sueros de los cinco pacientes estudiados; estos son: 26 kDa (pI 7.8), 27 kDa (pI 8.1), 28 kDa (pI 8.6), 29 kDa (pI 8.5) y 31 kDa (pI 9.0). CONCLUSIONES: Se detectaron nuevos antígenos de L. (L.) mexicana potencialmente inmunodominantes, lo que sugiere a este parásito como el agente causal de la LC en Sinaloa.


OBJECTIVE: To detect Leishmania mexicana antigens reacting with sera of patients with cutaneous leishmaniasis (CL). MATERIAL AND METHODS: A crude extract of L. mexicana was used as antigen for 2-D Western blot using sera from 5 patients with CL and controls from Sinaloa, Mexico during 2008. RESULTS: Five antigens were detected in the five infected patients analyzed; their molecular weights and isoelectric points were: 26 kDa (pI 7.8), 27 kDa (pI 8.1), 28 kDa (pI 8.6), 29 kDa (pI 8.5) and 31 kDa (pI 9.0). CONCLUSION: New potentially immunodominant L. mexicana antigens were detected, suggesting that this parasite could be the species responsible for human infection in Sinaloa.


Subject(s)
Humans , Antigens, Protozoan/blood , Leishmania mexicana/immunology , Leishmaniasis, Cutaneous/blood , Leishmaniasis, Cutaneous/immunology , Mexico
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