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  • Title: Translocation of c-abl oncogene and PDGFB (c-sis) gene in a case of CML with 46,XY, t(22;22).
    Author: Gradl G, Tesch H, Schwieder G, Wagner T, Fonatsch C.
    Journal: Blut; 1989 Jun; 58(6):279-85. PubMed ID: 2660925.
    Abstract:
    In a case of CML with a variant Philadelphia translocation (Ph1 or Ph) t(22;22) (q11;q13) in bone marrow cells and unstimulated peripheral blood cells, no cytogenetically detectable involvement of chromosome 9 was observed. Southern blot experiments using probes specific for bcr and c-sis however revealed rearrangement of the bcr, but not of PDGFB (c-sis) gene. Northern blot analysis of bone marrow RNA showed a very weak signal with the c-sis probe, while in a lymph-node biopsy PDGFB m-RNA could not be detected. Chromosomal in situ hybridization gave evidence for translocation of c-abl from chromosome 9 to Ph and of PDGFB from chromosome 22 to chromosome 9, as the result of a threefold translocation t(9;22;22).
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