Direct and Indirect Targeting of HOXA9 Transcription Factor in Acute Myeloid Leukemia. - Archive ouverte HAL
Journal Articles (Review Article) Cancers Year : 2019

Direct and Indirect Targeting of HOXA9 Transcription Factor in Acute Myeloid Leukemia.

Abstract

HOXA9 (Homeobox A9) is a homeotic transcription factor known for more than two decades to be associated with leukemia. The expression of HOXA9 homeoprotein is associated with anterior–posterior patterning during embryonic development, and its expression is then abolished in most adult cells, with the exception of hematopoietic progenitor cells. The oncogenic function of HOXA9 was first assessed in human acute myeloid leukemia (AML), particularly in the mixed-phenotype associated lineage leukemia (MPAL) subtype. HOXA9 expression in AML is associated with aggressiveness and a poor prognosis. Since then, HOXA9 has been involved in other hematopoietic malignancies and an increasing number of solid tumors. Despite this, HOXA9 was for a long time not targeted to treat cancer, mainly since, as a transcription factor, it belongs to a class of protein long considered to be an “undruggable” target; however, things have now evolved. The aim of the present review is to focus on the different aspects of HOXA9 targeting that could be achieved through multiple ways: (1) indirectly, through the inhibition of its expression, a strategy acting principally at the epigenetic level; or (2) directly, through the inhibition of its transcription factor function by acting at either the protein/protein interaction or the protein/DNA interaction interfaces.
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Dates and versions

hal-04549198 , version 1 (13-11-2024)

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Mélanie Lambert, M Alioui, Samy Jambon, Sabine Depauw, Isabelle Van Seuningen, et al.. Direct and Indirect Targeting of HOXA9 Transcription Factor in Acute Myeloid Leukemia.. Cancers, 2019, 11 (6), pp.837. ⟨10.3390/cancers11060837⟩. ⟨hal-04549198⟩
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