2007, Número 2
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Inv Salud 2007; 9 (2)
Polimorfismo del CYP2D6 en menonitas mexicanos de origen caucásico del estado de Durango, México
Alanis BRE, Lares AI, Sosa MM, Bradley ÁF, Lazalde RB
Idioma: Español
Referencias bibliográficas: 27
Paginas: 100-103
Archivo PDF: 185.55 Kb.
RESUMEN
CYP2D6 metaboliza diferentes fármacos y otros xenobióticos, el gen que la codifica (CYP2D6) es altamente polimórfico, y el factor principal de la variada actividad enzimática que se ve reflejada en diferentes fenotipos como metabolizadores rápidos (MR) y metabolizadores lentos (ML). No existen estudios previos de genotipificación del CYP2D6 en los menonitas mexicanos del estado de Durango. Nuestro objetivo fue identificar las frecuencias de los alelos CYP2D6 *4, *6 y *10 en 21 individuos menonitas que fueron genotipificados mediante PCR (reacción en cadena de la polimerasa) y RFLP (fragmentos de restricción de longitud polimórfica). Las frecuencias de los alelos *4 y *10 fueron de 0.21 y 0.05 respectivamente. El alelo *6 no fue identificado en ningún individuo estudiado.
Conclusiones: Las frecuencias de las variantes alélicas *4 y *10 en menonitas fueron similares a las reportadas en caucásicos. El patrón genotípico identificado en este estudio predice un 4.8% de ML en esta población, similar a la frecuencia de ML observada en caucásicos de Europa y Norteamérica (5-10%).
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