Serotonin transporter gene and treatment of alcoholism

C - Chemistry – Metallurgy – 12 – Q

Patent

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Details

C12Q 1/68 (2006.01) A61K 31/4178 (2006.01)

Patent

CA 2760675

The gene (SLC6A4) responsible for encoding the serotonin transporter (SERT) has a functional polymorphism at the 5'-regulatory promoter region, which results in two forms, long (L) and short (S). The LL-genotype is hypothesized to play a key role in the early onset of alcohol use. The present invention discloses the differences in treatment and diagnosis based on the L or short genotypes as well as on a single nucleotide polymorphism of the SERT gene, the 3' UTR SNP rs1042173. The present invention demonstrates the efficacy of using the drug ondansetron and similar drugs for treatment based on diagnosing variations in the polymorphisms of the SERT gene and expression and activity of the SERT gene, as well as methods for diagnosing susceptibility to abuse of alcohol and other addiction-related diseases and disorders, for monitoring treatment and/or abuse (addictive behavior), and for determining which treatment should be used.

Le gène (SLC6A4) responsable du codage du transporteur de sérotonine (SERT) a un polymorphisme fonctionnel au niveau de la région promoteur régulatrice en 5', ce qui conduit à deux formes, la longue (L) et la courte (S). Le génotype LL, d'après les hypothèses, joue un rôle clé dans l'apparition précoce d'une consommation d'alcool. La présente invention décrit les différences de traitement et de diagnostic sur la base du génotype L ou court ainsi que d'un polymorphisme mononucléotidique simple du gène SERT, le SNP 3' UTR rs1042173. La présente invention démontre l'efficacité de l'utilisation du médicament ondansetron et de médicaments analogues pour un traitement à base de variations de diagnostic dans les polymorphismes du gène SERT et l'expression et l'activité du gène SERT, ainsi que des procédés pour diagnostiquer la prédisposition à un abus d'alcool et autres maladies et troubles apparentés à une addiction, pour surveiller le traitement et/ou l'abus (comportement addictif) et pour déterminer quel traitement devrait être utilisé.

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