Triggering receptor expressed on myeloid cells 2 variants are rare in Parkinson's disease in a Han Chinese cohort

Neurobiol Aging. 2014 Jul;35(7):1780.e11-2. doi: 10.1016/j.neurobiolaging.2014.01.142. Epub 2014 Feb 5.

Abstract

Recent studies have reported that a rare nonsynonymous variant rs75932628-T in the TREM2 gene is associated with increased risk of Alzheimer's disease and Parkinson's disease (PD) in European-descended populations. However, the association between rare TREM2 mutations and PD risk remains unknown in Chinese population. We directly sequenced exon2 of TREM2 in a cohort of 476 PD patients and 432 healthy controls from a Han Chinese population. Rs75932628-T (p.R47H) was found in 0.2% of PD cases (1/476) but in none of the controls (0/432, p = 1.000), with a minor allele frequency of 0.06% among the 908 subjects. Our findings suggest that variants in exon2 of TREM2 are extremely rare, and it is not a genetic risk factor for PD in the southern Han Chinese population.

Keywords: Chinese; Parkinson's disease; Polymorphism; TREM2; Variant.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Asian People / genetics
  • Cohort Studies
  • Exons / genetics
  • Female
  • Genetic Association Studies
  • Humans
  • Male
  • Membrane Glycoproteins / genetics*
  • Mutation / genetics*
  • Parkinson Disease / genetics*
  • Receptors, Immunologic / genetics*
  • Risk

Substances

  • Membrane Glycoproteins
  • Receptors, Immunologic
  • TREM2 protein, human