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Yıl:2004; Cilt: 12; Sayı: Ek 2>> Özet
Psikiyatri Psikoloji Psikofarmakoloji (3P) Dergisi; 2004;12(Ek 2):11-20
Alkol ve madde bağımlılığının genetiği
İ Ateş, E Abay
Niğde Devlet Hastanesi Psikiyatri Kliniği\r\n
Aile, ikiz ve evlat edinme çalışmaları alkol ve diğer psikoaktif madde bağımlılığının gelişiminde genetik etkenlerin önemli rol oynadığını göstermektedir. Bu nedenle, araştırmacılar madde kullanımına katkıda bulunan belirli genleri tanımlamak için çalışmaktadır. Aslında, genetik ve çevresel etkenler birlikte etkileşerek madde kullanım sorunlarına neden olmaktadır. Diğer yandan, psikiyatrik bozuklukların karmaşık bir doğası vardır ve basit Mendelyan geçiş göstermezler. Bu güçlüklere karşın, moleküler genetik stratejilerdeki yeni gelişmeler araştırmacıların bağımlılığı anlamasını kolaylaştırmaktadır. Katkıda bulunan genlerin tanımlanması bağımlılığın nörobiyolojik temelini anlamamızı sağlayacak ve tedavi stratejilerine ve koruma programlarına yardımcı olacaktır. Bu gözden geçirme yazısında bağımlılık alanında genetik ilerlemelerden söz edilmiştir. Klinik ortamda halen uygulanmakta olan genetik danışmanlık, gen terapisi ve farmakogenetik konuları da bu gözden geçirme yazısının ilgi alanındadır.
Genetics of alcohol and substance dependence
Family, twin and adoption studies suggest that genetic factors play an important role in the development of alcohol and other psychoactive substance dependence. Thus, researchers are currently attempting to identify the specific genes that contribute to the patterns of substance use. The genetic and environmental factors, in fact, interact to result in substance use problems. On the other hand, psychiatric disorders have a complex nature and they do not result from simple Mendelian transmission. Despite these difficulties, new developments in molecular genetics strategies are enhancing researchers' understanding of dependence. Identification of contributing genes would improve our understanding of the neurobiological basis of dependence and might aid treatment strategies and prevention program. Genetic advances in the field of dependence are described in this review. Genetic counselling, gene therapy and pharmacogenetics, which are already applied in the clinical settings, are also the provinces of this review.

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