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Leuk Res. 2000 Oct;24(10):849-55.

MEIS1 and HOXA7 genes in human acute myeloid leukemia.

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Department of Pediatrics, New York University School of Medicine, 550 First Avenue, New York, NY 10016, USA.


Co-activation of Meisl with Hoxa7 or Hoxa9 homeobox genes by retroviral gene insertion has recently been reported to be leukemogenic in murine myeloid leukemia. In this study we determined their expression in human leukemia. Most human myeloid leukemia cell lines co-expressed MEIS1 with HOXA7 and HOXA9. Among patients with acute leukemia, 50% of AML patients expressed MEIS1, while the majority of ALL patients were negative. A total of 89.5% of patients expressing MEIS1 co-expressed HOXA7. In unadjusted models, poorer response to chemotherapy was associated with expression of HOXA7 regardless of MEIS1 status and older patients were more likely to express either gene.

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