A novel glucokinase deletion (p.Lys32del) and five previously described mutations co-segregate with the phenotype of mild familial hyperglycaemia (MODY2) in Brazilian families

Diabetes Res Clin Pract. 2013 May;100(2):e42-5. doi: 10.1016/j.diabres.2013.01.029. Epub 2013 Feb 19.

Abstract

Six Brazilian families with mild familial hyperglycaemia have been screened for glucokinase (GCK) mutations. All had mutations that co-segregated with the phenotype. One of the mutations, the deletion 96_98delAAG (p.Lys32del), had not been previously described, reinforcing the worldwide prevalence of GCK MODY and widespread existence of undetected new mutations.

MeSH terms

  • Adolescent
  • Adult
  • Aged
  • Brazil
  • Child
  • Diabetes Mellitus, Type 2 / enzymology*
  • Diabetes Mellitus, Type 2 / genetics*
  • Female
  • Glucokinase / genetics*
  • Humans
  • Male
  • Middle Aged
  • Mutation
  • Pedigree
  • Sequence Deletion / genetics
  • Young Adult

Substances

  • Glucokinase

Supplementary concepts

  • Maturity-Onset Diabetes of the Young, Type 2