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    Proc Natl Acad Sci U S A. 1985 Oct;82(20):7101-5.

    Gene mapping and leader polypeptide sequence of human glucocerebrosidase: implications for Gaucher disease.

    Ginns EI, Choudary PV, Tsuji S, Martin B, Stubblefield B, Sawyer J, Hozier J, Barranger JA.

    Analysis of immunologic cross-reacting material in Chinese hamster-human somatic cell hybrids allowed assignment of the structural gene for glucocerebrosidase (glucosylceramidase; beta-D-glucosyl-N-acylsphingosine glucohydrolase, EC 3.2.1.45) to chromosome 1 bands q21-q32. In situ hybridization of a radiolabeled human glucocerebrosidase cDNA to high resolution human chromosomes demonstrated that a single locus encoding glucocerebrosidase is on 1q21, adjacent to a region of chromosome 1 (1qh) abundant in structural heteromorphisms. We also have identified a hydrophobic leader polypeptide encoded by this locus, permitting a more complete description of the biosynthesis of the enzyme. These results suggest that the type-specific protein polymorphisms in Gaucher disease result from mutations at this single locus, whose segregation might be followed by linkage to visible chromosomal heteromorphisms.

    PMID: 3863141 [PubMed - indexed for MEDLINE]

    PMCID: PMC391318

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