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  • Title: Localization of the beta A4-crystallin gene (CRYBA4) on human chromosome 22 in the region q11.2-->q13.1.
    Author: van Rens GL, Geurts van Kessel AH, Bloemendal H.
    Journal: Cytogenet Cell Genet; 1992; 61(3):180-3. PubMed ID: 1424806.
    Abstract:
    The chromosomal localization of the human gene (CRYBA4) coding for the eye lens protein beta A4-crystallin has been carried out using a nearly full-length cDNA clone encoding bovine beta A4-crystallin. A panel of 21 human-mouse or human-hamster hybrid cell lines derived from different parental combinations was characterized with respect to the human chromosomal content and the presence of well established human chromosome-specific markers. These panels were screened for the presence of CRYBA4 using the bovine cDNA clone as a probe. A 100 percent concordance was observed between the presence or absence of the CRYBA4 and human chromosome 22 indicating that the gene resides on this chromosome. By using cell hybrids containing translocated chromosome 22 segments, the localization could be refined to the region 22q11.2-->q13.1.
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