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Haematologica. 2007 Apr;92(4):542-5.

Effect of histone deacetylase inhibitor valproic acid on progenitor cells of acute myeloid leukemia.

Author information

1
Medizinische Klinik II, Abt. Hämatologie/Onkologie, Klinikum der Johann Wolfgang Goethe-Universität Frankfurt, Theodor-Stern-Kai 7, Frankfurt, Germany. g.bug@em.uni-frankfurt.de

Abstract

Histone deacetylase inhibitor valproic acid (VPA) was recently shown to enhance proliferation and self-renewal of normal hematopoietic stem cells, raising the possibility that VPA may also support growth of leukemic progenitor cells (LPC). Here, VPA maintains a significantly higher proportion of CD34+ LPC and colony forming units compared to control cultures in six AML samples, but selectively reduces leukemic cell numbers in another AML sample with expression of AML1/ETO. Our data suggest a differential effect of VPA on the small population of AML progenitor cells and the bulk of aberrantly differentiated blasts in the majority of AML samples tested.

PMID:
17488665
[Indexed for MEDLINE]
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