Further sequence analysis of the ARSA gene performed on DNA samples of Polish MLD patients with unidentified alleles revealed eight rare mutations on 10 alleles: p.R390W, p.E382K, p.R390Q, p.R288C, p.H397Y, p.F247S, p.D335V and g.561_562insC, responsible together for 12% of the examined alleles.
Metachromatic leukodystrophy: subtype genotype/phenotype correlations and identification of novel missense mutations (P148L and P191T) causing the juvenile-onset disease.