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Asociación entre el polimorfismo Arg48his en el gen de la alcohol deshidrogenasa 1b y el consumo de alcohol en población española

Authors: Francés Bozal, Francesc; Andrés Miguel, Claudia;

Asociación entre el polimorfismo Arg48his en el gen de la alcohol deshidrogenasa 1b y el consumo de alcohol en población española

Abstract

ntroducción: El gen de la Alcohol Deshidrogenasa 1B (ADH1B) codifica uno de los enzimas clave para la metabolización del etanol a acetal dehído. Polimorfismos en este enzima pueden afec tar a la tasa de meta bolización del etanol y por ello a los efectos del mismo, modulando potenc ialmente el consumo de bebidas alcohólicas. El objetivo del presente estudio es determinar la influencia del polimorfismo Ar g48His en la ADH1B sobre el consumo de bebidas alcohólicas en una muestra de población mediterránea española. Métodos: Se han genotipado para este polimo rfismo un total de 763 individuos. Se determ inaron variables sociodemográficas y de consumo de alcohol. Los consumos enólicos se valoraron tanto de forma cuantitativa (gramos al día) como cualitativa (consumidor es de alcohol o no consumidores, tipo de bebida y frecuencia de consumo). Resultados: Los hombres de la muestra, porta dores de la variante Arg en homozigosis demostraron un mayor riesgo de consumo en rango patológico de bebidas alcohólicas, que los portadores de la variante His (OR 2,54; IC95% 1,005-6,427; p=0,049). Así mismo , los varones Arg/Arg presentaron mayores consumos promedio diar ios de etanol que los portadore s His (6,92 ±8,43 g/dia en C/C frente a 5,12±7,05g/dia en portadores T; p=0,044). Conclusiones: Pese al escaso ta maño muestral del presente estudio, estos resultados sugieren que, en población española, el polimorfismo ADH1B Arg/His puede modular el consumo de alcohol. Estos resultados se muestran concordantes con resultados obtenidos en otros países europeos y deben ser completados con nuevos estudi os más extensos en nuestro medio.

Background: The alcohol dehydrogenase 1B (ADH1B) gene encodes one of the key enzymes for the metabolism of ethanol to acetaldehyde. Polymorphisms in this enzyme may affect the ethanol metabolization rate and therefore may potentially modulate alcohol consumption. Aims: The aim of this study is to determ ine the influence of the Arg48His polymorphism in the ADH1B on alcohol consumption in a Spanish Mediterranean population sample. Methods: 763 individuals were genotyped fo r this polymorphism. Sociodemographic a nd drinking variables were determined. Ethanol consumption was evaluated quantitativ ely (grams per day) and qualitatively (dri nkers or teetotalers, beverage type and frequency of consumption). Results: Men of the sample, homozygous carriers of Arg variant, s howed an increased risk of binge drinking, compared with carri ers of the His variant (OR 2.54, 95% CI 1.005 to 6.427; p = 0.049). Likewise, Arg/Arg males had highe r average daily consumption of ethanol that His carriers (6,92±8,43 g/day in C / C versus 5.12±7,05 g/day T carriers; p = 0.044). Conclusion: Despite the small sample size of this study, thes e results suggest that, in Span ish population, polymorphism ADH1B Arg / His can modulate alcohol consumption. These results are consistent with findings from other European countries and must be completed with new larger studies in our environment.

Keywords

Medicina legal, UNESCO::CIENCIAS MÉDICAS, Ciencias de la salud

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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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