The effects of a muscarinic receptor 1 gene variant on executive and non-executive cognition in schizophrenia spectrum disorders

Psychiatry Res. 2019 Mar:273:178-180. doi: 10.1016/j.psychres.2019.01.032. Epub 2019 Jan 11.

Abstract

Individuals with schizophrenia who are homozygous at the c.267C > A (rs2067477) single nucleotide polymorphism within the muscarinic M1 receptor gene have been reported to perform less well on the Wisconsin Card Sorting Test (WCST). We investigated if rs2067477 genotype variation influenced WCST performance and non-executive cognition cross-diagnostically in a sample of 147 schizophrenia spectrum participants (SSD) and 294 healthy controls. We were unable to detect any significant differences in executive and non-executive cognitive performance across genotype. A broader genetic focus should be considered when investigating the association between the muscarinic system and cognition in SSD.

Keywords: Cognitive flexibility; Schizophrenia spectrum disorder; Wisconsin Card Sorting Test.

Publication types

  • Evaluation Study

MeSH terms

  • Adult
  • Case-Control Studies
  • Cognition / physiology*
  • Cognition Disorders / genetics
  • Executive Function / physiology*
  • Female
  • Genotype
  • Homozygote
  • Humans
  • Male
  • Middle Aged
  • Neuropsychological Tests
  • Polymorphism, Single Nucleotide
  • Receptor, Muscarinic M1 / genetics*
  • Schizophrenia / genetics*
  • Wisconsin Card Sorting Test
  • Young Adult

Substances

  • Receptor, Muscarinic M1