Susceptibility loci for heroin and cocaine addiction in the serotonergic and adrenergic pathways in populations of different ancestry

  • Orna Levran
  • , Einat Peles
  • , Matthew Randesi
  • , Joel Correa Da Rosa
  • , Jurg Ott
  • , John Rotrosen
  • , Miriam Adelson
  • , Mary Jeanne Kreek

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

Background: Drug addiction is influenced by genetic factors. Aim: To determine if genetic variants in the serotonergic and adrenergic pathways are associated with heroin and/or cocaine addiction. Subjects & methods: The study examined 140 polymorphisms in 19 genes in 1855 subjects with predominantly European or African ancestries. Results: A total of 38 polymorphisms (13 genes) showed nominal associations, including novel associations in S100A10 (p11) and SLC18A2 (VMAT2). The association of HTR3B SNP rs11606194 with heroin addiction in the European ancestry subgroup remained significant after correction for multiple testing (p corrected = 0.04). Conclusion: The study strengthens our previous findings of association of polymorphisms in HTR3A, HTR3B and ADRA1A. The study suggests partial overlap in genetic susceptibility between populations of different ancestry and between heroin and cocaine addiction.

Original languageEnglish
Pages (from-to)1329-1342
Number of pages14
JournalPharmacogenomics
Volume16
Issue number12
DOIs
StatePublished - 1 Aug 2015
Externally publishedYes

Keywords

  • ADRA1A
  • African-American
  • HTR3A
  • HTR3B
  • S100A10
  • SLC18A2
  • SLC6A4
  • adrenergic pathway
  • association study
  • cocaine addiction
  • genetic variants
  • heroin addiction
  • serotonergic pathway
  • stress

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