At least 291 different mutations have been identified in the GBA
gene (the Human Genome Mutation Database, http://
www.hgmd.cf.ac.uk/ac/index.php, February, 2013). The frequencies
of specific mutated alleles vary in different populations. The most
common mutation in the Ashkenazi Jewish, accounting for B70% of
mutations is p.N409S (N370S).3 In this report, we studied the clinical,
biochemical and molecular characteristics of five Thai families
with GD.