Serotonin transporter gene promoter polymorphism and autism: a family-based genetic association study in Japanese population.

Abstract:

:Autism is now widely accepted as a biological disorder which, by and large, starts before birth. It has been shown that serotonin (5-HT) is associated with several psychological processes and hyperserotoninemia is observed in some autistic patients. The results of previous reports about family-based association studies between the serotonin transporter (5-HTT) gene promoter polymorphism and autism are controversial. In this study, an analysis using the transmission/disequilibrium test (TDT) between the 5-HTT gene promoter polymorphism and autism in 104 trios, all ethnically Japanese, showed no significant linkage disequilibrium (P=0.17). Recently, it has been reported that some haplotypes at the serotonin transporter locus may be associated with the pathogenesis of autism. Therefore, further investigations by haplotype analyses are necessary to confirm the implications of genetic variants of the serotonin transporter in the etiology of autism.

journal_name

Brain Dev

journal_title

Brain & development

authors

Koishi S,Yamamoto K,Matsumoto H,Koishi S,Enseki Y,Oya A,Asakura A,Aoki Y,Atsumi M,Iga T,Inomata J,Inoko H,Sasaki T,Nanba E,Kato N,Ishii T,Yamazaki K

doi

10.1016/j.braindev.2005.09.003

keywords:

subject

Has Abstract

pub_date

2006-05-01 00:00:00

pages

257-60

issue

4

eissn

0387-7604

issn

1872-7131

pii

S0387-7604(05)00197-X

journal_volume

28

pub_type

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