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Leukemogenesis

Persistent transactivation by Meis1 replaces Hox function in myeloid leukemogenesis

Published in Gene Therapy Weekly, August 3rd, 2006

Persistent transactivation by Meis1 replaces Hox function in myeloid leukemogenesis.

According to a recently published article in the journal Molecular and Cellular Biology, Homeobox transcription factors MOO and Hoxa9 promote hematopoietic progenitor self-renewal and cooperate to cause acute myeloid leukemia (AML).

"While Hoxa9 alone blocks the differentiation of nonleukemogenic myeloid cell-committed progenitors, coexpression with Meis1 is required for the production of AML-initiating progenitors, which also transcribe a group of hematopoietic stem cell genes, including Cd34 and Flt3 (defined as Meis1-related leukemic signature...

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