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    Hum Genet. 1991 Feb;86(4):411-3.

    Geographical distribution gradients of the major PKU mutations and the linked haplotypes.

    Source

    Laboratory of Molecular Pathology, Medical Academy, Institute of Obstetrics, Sofia, Bulgaria.

    Abstract

    Analysis of 81 phenylketonuria families from Bulgaria, Lithuania and eastern Germany demonstrated a high frequency of haplotype 2 and the associated Arg408----Trp408 substitution. Haplotype 3 and the splicing mutation in intron 12 are rare or absent in the groups studies. Pooling the data on European populations suggests a Balto-Slavic origin of the defect in codon 408 of the phenylalanine hydroxylase gene and a geographical gradient in the distribution of both major PKU mutations which may contribute to the higher incidence of classic PKU in northern Europeans.

    PMID:
    1671852
    [PubMed - indexed for MEDLINE]

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