Genetic analysis of GLT8D1 and ARPP21 in Australian familial and sporadic amyotrophic lateral sclerosis

Neurobiol Aging. 2021 May:101:297.e9-297.e11. doi: 10.1016/j.neurobiolaging.2021.01.005. Epub 2021 Jan 16.

Abstract

Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disease caused by the progressive degeneration of motor neurons. Recently, genetic variants in GLT8D1 and ARPP21 were associated with ALS in a cohort of European descent. A synergistic relationship was proposed between ALS associated variants in GLT8D1 and ARPP21. We aimed to determine the prevalence of genetic variation in GLT8D1 and ARPP21 in an Australian cohort of familial (n = 81) and sporadic ALS (n = 618) cases using whole-exome and whole-genome sequencing data. No novel mutations were identified in either gene, nor was there significant enrichment of protein-altering sequence variation among ALS cases. GLT8D1 and ARPP21 mutations are not a common cause of ALS in Australian familial and sporadic cohorts.

Keywords: Amyotrophic lateral sclerosis; GLT8D1 and ARPP21; Gene screening; Whole-genome sequencing.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Amyotrophic Lateral Sclerosis / genetics*
  • Australia
  • Cohort Studies
  • Exome Sequencing
  • Female
  • Genetic Variation / genetics*
  • Genome-Wide Association Study / methods*
  • Glycosyltransferases / genetics*
  • Humans
  • Male
  • Negative Results*
  • Phosphoproteins / genetics*
  • White People / genetics
  • Whole Genome Sequencing

Substances

  • Phosphoproteins
  • cyclic AMP-regulated phosphoprotein ARPP-21
  • GLT8D1 protein, human
  • Glycosyltransferases