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  • Title: Regional location of T cell receptor gene Ti alpha on human chromosome 14.
    Author: Barker PE, Royer HD, Ruddle FH, Reinherz EL.
    Journal: J Exp Med; 1985 Jul 01; 162(1):387-92. PubMed ID: 3925071.
    Abstract:
    The chromosomal location of Ti alpha was determined by hybridization of a radiolabeled cDNA for the alpha chain of human T cell receptor with 12 human X mouse cell hybrid DNAs cleaved with BamHI. Seven hybrids contained human Ti alpha, while the remaining five lacked it. Only human chromosome 14 matched the distribution of human Ti alpha signal across the mapping panel. Hybrids segregating a chromosome 14 translocation were used to demonstrate that Ti alpha is in the region 14pter greater than 14q21. Thus, the alpha and beta chain genes that contribute structural components to the Ti moiety of the human T cell receptor lie on different chromosomes. In humans, the immunoglobulin heavy chain locus and Ti alpha are in different regions of chromosome 14, with Ti alpha more proximal and the immunoglobulin heavy chain locus more distal.
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