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    Jpn J Cancer Res. 1990 Apr;81(4):340-4.

    Oligoclonal immunoglobulin gene rearrangements in Philadelphia chromosome-positive common acute lymphoblastic leukemia.

    Source

    Second Department of Internal Medicine, Mie University School of Medicine.

    Abstract

    The occurrence of more than two rearranged bands of immunoglobulin heavy chain (IgH) genes in B precursor acute lymphoblastic leukemia (ALL) has recently been documented. To elucidate the nature of such leukemias, we studied 30 patients with common ALL, including 6 patients with Philadelphia chromosome (Ph1)-positive ALL, by immunophenotyping and genotyping. In 10 of the 30, Southern blotting showed oligoclonal patterns of IgH gene arrangements, which were frequently detected in Ph1-positive ALL. In one patient of the 10, three rearranged bands of Ig kappa chain genes were detected. Ph1 abnormality and co-expression of myeloid associated antigens were found in 5 and 5 of the 10, respectively. Detection of multiple fragments of IgH genes would be suggestive of multipotent progenitor origin of these ALL.

    PMID:
    2114388
    [PubMed - indexed for MEDLINE]

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