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VNTR polymorphisms of the serotonin transporter (hSERT) and dopamine transporter (DAT1) gene were studied in male opiate addicts. Samples of ethnic Russians and ethnic Tatars did not differ in genotype and allele frequencies. Homozygosity at hSERT (especially 10/10) was associated with early opiate addiction, while genotype 12/10 proved to be protective. In(More)
Polymorphism at the dopamine transporter gene (DAT1) in populations of the Volga-Ural region was examined by means of polymerase chain reaction. Statistically significant differences in the dopamine transporter gene allele and genotype frequency distribution were revealed both between the populations belonging to one ethnic group and between the populations(More)
The PCR technique was used to analyze the TaqIA- and NcoI-polymorphisms at the dopamine D2 receptor gene (DRD2) in eight populations of the Volga-Ural region belonging to Turkic (Bashkirs, Tatars, and Chuvashes), Finno-Ugric (Maris, Komis, Mordovians, and Udmurts), and Eastern-Slavic (Russians) ethnic groups. Population-specific patterns of the main TaqIA-(More)
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