Chromosomal localization of DBL oncogene sequences.
The DBL oncogene was generated by rearrangements involving three discontinuous regions of the human genome. Analyses of panels of human X rodent somatic cell hybrids demonstrated that the DBL proto-oncogene located on the X chromosome (just proximal or distal to bands q26-27.2) underwent recombination at its 5' and 3' ends with sequences derived from chromosomes 3 (p13q-ter) and 16 (p13-q22), respectively. DBL was localized to chromosome Xq27-q28 by in situ hybridization. Another oncogene, MCF2, was previously shown to contain sequences derived from Xq27 as well. Comparison of the restriction maps and nucleotide sequences of genomic and cDNA clones representing the chromosome X-specific sequences of the DBL oncogene and MCF2, taken together with their chromosomal localization, indicates that these oncogenes were derived from the same genetic locus.[1]References
- Chromosomal localization of DBL oncogene sequences. Tronick, S.R., McBride, O.W., Popescu, N.C., Eva, A. Genomics (1989) [Pubmed]
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