Association analysis of the adenosine A1 receptor gene polymorphisms in patients with methamphetamine dependence/psychosis

Hideaki Kobayashi, Hiroshi Ujike, Nakao Iwata, Toshiya Inada, Mitsuhiko Yamada, Yoshimoto Sekine, Naohisa Uchimura, Masaomi Iyo, Norio Ozaki, Masanari Itokawa, Ichiro Sora

Research output: Contribution to journalArticle

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Abstract

Several lines of evidence suggest that the dopaminergic nervous system contributes to methamphetamine (METH) dependence, and there is increasing evidence of antagonistic interactions between dopamine and adenosine receptors in METH abusers. We therefore hypothesized that variations in the A1 adenosine receptor (ADORA1) gene modify genetic susceptibility to METH dependence/psychosis. In this study, we identified 7 single nucleotide polymorphisms (SNPs) in exons and exon-intron boundaries of the ADORA1 gene in a Japanese population. A total of 171 patients and 229 controls were used for an association analysis between these SNPs and METH dependence/psychosis. No significant differences were observed in either the genotypic or allelic frequencies between METH dependent/psychotic patients and controls. A global test of differentiation among samples based on haplotype frequencies showed no significant association. In the clinical feature analyses, no significant associations were observed among latency of psychosis, prognosis of psychosis, and spontaneous relapse. These results suggest that the ADORA1 gene variants may make little or no contribution to vulnerability to METH dependence/psychosis.

Original languageEnglish
Pages (from-to)137-142
Number of pages6
JournalCurrent Neuropharmacology
Volume9
Issue number1
DOIs
Publication statusPublished - 30-03-2011

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Adenosine A1 Receptors
Methamphetamine
Psychotic Disorders
Genes
Single Nucleotide Polymorphism
Exons
Purinergic P1 Receptors
Dopamine Receptors
Genetic Predisposition to Disease
Introns
Haplotypes
Nervous System
Recurrence
Population

All Science Journal Classification (ASJC) codes

  • Pharmacology
  • Neurology
  • Clinical Neurology
  • Psychiatry and Mental health
  • Pharmacology (medical)

Cite this

Kobayashi, Hideaki ; Ujike, Hiroshi ; Iwata, Nakao ; Inada, Toshiya ; Yamada, Mitsuhiko ; Sekine, Yoshimoto ; Uchimura, Naohisa ; Iyo, Masaomi ; Ozaki, Norio ; Itokawa, Masanari ; Sora, Ichiro. / Association analysis of the adenosine A1 receptor gene polymorphisms in patients with methamphetamine dependence/psychosis. In: Current Neuropharmacology. 2011 ; Vol. 9, No. 1. pp. 137-142.
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Kobayashi, H, Ujike, H, Iwata, N, Inada, T, Yamada, M, Sekine, Y, Uchimura, N, Iyo, M, Ozaki, N, Itokawa, M & Sora, I 2011, 'Association analysis of the adenosine A1 receptor gene polymorphisms in patients with methamphetamine dependence/psychosis', Current Neuropharmacology, vol. 9, no. 1, pp. 137-142. https://doi.org/10.2174/157015911795016958

Association analysis of the adenosine A1 receptor gene polymorphisms in patients with methamphetamine dependence/psychosis. / Kobayashi, Hideaki; Ujike, Hiroshi; Iwata, Nakao; Inada, Toshiya; Yamada, Mitsuhiko; Sekine, Yoshimoto; Uchimura, Naohisa; Iyo, Masaomi; Ozaki, Norio; Itokawa, Masanari; Sora, Ichiro.

In: Current Neuropharmacology, Vol. 9, No. 1, 30.03.2011, p. 137-142.

Research output: Contribution to journalArticle

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