Lack of association of a single-nucleotide polymorphism of the μ-opioid receptor gene with anxiety-related traits: Results from a cross-sectional study of adults and a longitudinal study of children

Anthony F. Jorm*, Margot Prior, Ann Sanson, Diana Smart, Yafei Zhang, Susan Tan, Simon Easteal

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    19 Citations (Scopus)

    Abstract

    There is evidence from animal experiments that the μ- and δ-opioid receptors may play a role in anxiety and depression. It might therefore be expected that functional polymorphisms of these genes in humans are associated with anxiety and depression. We investigated a single-nucleotide polymorphism (Asn40Asp) of the μ-opioid receptor gene (OPRM1). This association was investigated in two samples: 1) a cross-sectional survey of 867 community-living adults aged 18-79 years who were assessed for anxiety and depression symptoms and related personality traits; and 2) a longitudinal study of childhood temperament in which 660 children were followed from infancy to the mid-teens and assessed for anxiety-related temperament and behavior problems. The data did not support a role for the Asn40Asp polymorphism in anxiety and depression, despite adequate statistical power to detect small effects.

    Original languageEnglish
    Pages (from-to)659-664
    Number of pages6
    JournalAmerican Journal of Medical Genetics, Part B: Neuropsychiatric Genetics
    Volume114
    Issue number6
    DOIs
    Publication statusPublished - 8 Aug 2002

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