Assignment of the human acid α‐glucosidase gene (αGLU) to chromosome 17 using somatic cell hybrids

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Abstract
Hybrid clones (MOGs) were made between the mouse line RAG and a primary fibroblast line from an individual of the rare alphaGLU 2 phenotype. Fifteen independent primary clones and 32 subclones were tested for the presence of human alphaGLU after separation of the human and rodent enzymes by starch gel electrophoresis. Twenty-three other human-mouse hybrids from six different crosses were analysed for the presence of human alphaGLU by exploiting a difference in the thermostability of the human and mouse enzymes. The hybrids were also analysed for up to 25 other enzymes which were used as markers for different human chromosomes. Two of the MOG hybrids were karyotyped and karyotype data were already available for a number of the other hybrids. The combined results demonstrate that alphaGLU is located on chromosome 17, and probably on 17q.