Analysis of the serotonin transporter gene linked polymorphism (5- HTTLPR) in anorexia nervosa

  • Sundaramurthy D
  • Pieri L
  • Gape H
 et al. 
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Abstract

Previous studies have demonstrated aberrant expression of serotonin in individuals with an eating disorder. Given this the serotonin transporter gene (5-HTT) is a strong candidate to contribute to the genetic component of the aetiology of eating disorders. To determine the role of this particular gene in the susceptibility to anorexia nervosa (AN) we have examined a tandemly repeated sequence close to the promotor region of the 5-HTT gene, which is represented by a long (L) and short (S) variant. Previous studies have shown that the transcriptional activity of the 5-HTT gene differs significantly between these two alleles. A group of 138 Diagnostic and Statistical Manual of Mental Disorders (DSM-IV) criteria AN patients and 90 controls were genotyped at the 5-HTT gene linked polymorphism (5- HTTLPR). Statistical analysis showed no significant difference in allele or genotype frequencies between the two groups. These data suggest that there is no association between 5-HTTLPR genotype and susceptibility to AN, in our population. Am. J. Med. Genet. (Neuropsychiatr. Genet.) 96:53-55, 2000.

Author-supplied keywords

  • Anorexia nervosa
  • Association analysis
  • Polymorphism
  • Serotonin
  • Serotonin transporter

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Authors

  • D. Sundaramurthy

  • L. F. Pieri

  • H. Gape

  • A. F. Markham

  • D. A. Campbell

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