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Review
. 2013 Apr;27(5):1000-8.
doi: 10.1038/leu.2012.356. Epub 2012 Dec 5.

The role of HOX genes in normal hematopoiesis and acute leukemia

R A Alharbi  1 , R Pettengell, H S Pandha, R Morgan
Affiliations
Review

The role of HOX genes in normal hematopoiesis and acute leukemia

R A Alharbi et al. Leukemia. 2013 Apr.

Abstract

The homeobox (HOX) genes are a highly conserved family of homeodomain-containing transcription factors that specify cell identity in early development and, subsequently, in a number of adult processes including hematopoiesis. The dysregulation of HOX genes is associated with a number of malignancies including acute myeloid leukemia (AML) and acute lymphoid leukemia (ALL), where they have been shown to support the immortalization of leukemic cells both as chimeric partners in fusion genes and when overexpressed in their wild-type form. This review covers our current understanding of the role of HOX genes in normal hematopoiesis, AML and ALL, with particular emphasis on the similarities and differences of HOX function in these contexts, their hematopoietic downstream gene targets and implications for therapy.

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