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    Pediatr Blood Cancer. 2012 Jun;58(6):836-9. doi: 10.1002/pbc.23274. Epub 2011 Jul 28.

    MLL gene rearrangements in infant leukemia vary with age at diagnosis and selected demographic factors: a Children's Oncology Group (COG) study.

    Source

    University of Minnesota Masonic Cancer Center, Minneapolis, Minnesota.

    Abstract

    BACKGROUND:

    Infant leukemias have a high frequency of mixed lineage leukemia (MLL) gene rearrangements.

    PROCEDURE:

    Using data from a large etiologic study, we evaluated the distribution of selected demographic factors among 374 infant leukemia cases by leukemic subtype, MLL status and diagnosis age.

    RESULTS:

    Overall, 228 cases were MLL+. Compared to white infants, black infants were significantly less likely to have MLL+ leukemia. Further, there was a statistically significantly higher age at diagnosis for infants with t(9;11) translocations compared to all other translocation partners in both acute lymphoblastic leukemia and acute myeloid leukemia cases.

    CONCLUSION:

    These patterns may provide important etiological insight into the biology of infant leukemia.

    Copyright © 2011 Wiley Periodicals, Inc.

    PMID:
    21800415
    [PubMed - indexed for MEDLINE]
    PMCID:
    PMC3208122
    [Available on 2013/6/1]

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