Summary
A series of man-Chinese hamster somatic cell hybrids with a variable content of human chromosomes was used to study the localization of the human gene coding for the lysosomal enzyme β-glucocerebrosidase (EC 3.2.1.45). In lysates made from hybrid cells, the human enzyme was specifically recognized by a mouse monoclonal antibody raised against human placental β-glucocerebrosidase. This monoclonal antibody did not cross-react with Chinese hamster β-glucocerebrosidase. After reaction of the antibody with the enzyme, β-glucocerebrosidase was precipitated by addition of Protein A-Sepharose beads, and was detected on the beads by its enzymatic activity. From the analysis of a series of man-Chinese hamster hybrids, among which were hybrids with specific segments of chromosome 1, we conclude that the gene coding for human β-glucocerebrosidase is localized in the region q21-q31 of chromosome 1.
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Barneveld, R.A., Keiizer, W., Tegelaers, F.P.W. et al. Assignment of the gene coding for human β-glucocerebrosidase to the region q21-q31 of chromosome 1 using monoclonal antibodies. Hum Genet 64, 227–231 (1983). https://doi.org/10.1007/BF00279398
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DOI: https://doi.org/10.1007/BF00279398