Frequency of Toxoplasma gondii in Pork Meat in Ocotlan, Jalisco, Mexico
Por:
Galván-Ramirez M.L., Elisondo, ALM, Torres, CPR, Luna-Pastén H., Perez, LRR, Rincón-Sánchez A.R., Franco R., Salazar-Montes A., Correa D.
Publicada:
1 jun 2010
Resumen:
Toxoplasmosis is an infection caused by Toxoplasma gondii, an intracellular obligate parasite. Its transmission has usually been attributed to ingestion of undercooked or raw meat. The frequency of T. gondii in pork, the most common meat for human consumption in Jalisco, Mexico, is unknown; in Guadalajara city high prevalence of human toxoplasmosis has been documented. Forty-eight samples of pork meat from butcher shops in Ocotlan city were analyzed. Through bioassay, 50 g of tissue was homogenized in an acidic pepsin solution and inoculated subcutaneously to previously immunosuppressed mice. Blood samples from the mice tail vein were obtained before inoculation and 7, 14, 28, and 45 days postinoculation to analyze anti-Toxoplasma immunoglobulin (Ig) M and IgG antibody kinetics by indirect enzyme-linked immunosorbent assay. For histopathology, small fragments of the brain, lungs, heart, and skeletal muscle were extracted on day 45 and were stained with hematoxylin and eosin. Also, DNA
Filiaciones:
Galván-Ramirez M.L.:
Laboratorio de Neurofisiología, CoL. Independencia, Guadalajara, Jalisco, Mexico
Luna-Pastén H.:
Laboratorio de Inmunología Experimental, Instituto Nacional de Pediatría, SSA, México Insurgentes Sur 3700 C, Col. Insurgentes Cuicuilco, Delegacion Coyoacan CP. 04530, Mexico
Rincón-Sánchez A.R.:
Laboratorio de Patología Del Hospital Civil Juan i Menchaca, Salvador Quevedo y Zubieta No. 750, CP. 44340, Guadalajara, Jalisco, Mexico
Franco R.:
Instituto de Enfermedades Crónico Degenerativas, CoL. Independencia, Guadalajara, Jalisco, Mexico
Salazar-Montes A.:
Instituto de Biología Molecular y Terapia Génica, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada 950, Col. Independencia, Guadalajara, Jalisco, Mexico
Correa D.:
Laboratorio de Inmunología Experimental, Instituto Nacional de Pediatría, SSA, México Insurgentes Sur 3700 C, Col. Insurgentes Cuicuilco, Delegacion Coyoacan CP. 04530, Mexico
Departamento de Ciencias Básicas, Centro Universitario de la Ciénega, Universidad de Guadalajara, Av. Universidad 1115, C.P. 47810, CoL. Lindavista, Ocotlán, Jalisco, Mexico
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