Serotonin transporter gene polymorphism and psychiatric disorders: is there a link?

Guhathakurta et al .[ 138 ] failed to establish any association or linkage of 5-HTTLPR with autism in the Indian population by case-control studies and family-based approaches; however, when a meta-analysis of all the available data, inclusive of the present study, was carried out, a highly significant preferential transmission of the S allele from parents to the affected offspring was observed.

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