Despite life-long galactose restriction, long-term complications generally occur in classical galactosemia. We report an adult male with classical galactosemia (Q188R homozygosity, severely reduced erythrocyte galactose-1-phosphate uridyltransferase activity) who has a surprisingly mild phenotype despite genotype and enzyme activity associated with severe phenotype. Moreover he has a normal galactose intake from the age of 3 years. This case is probably an example of the important role of yet unknown susceptibility and or modifier genes.

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http://dx.doi.org/10.1016/j.ymgme.2006.03.002DOI Listing

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