Induction of myelogenous leukemia cells with histone deacetylase inhibitors through down-regulating the Daxx protein expression / 华中科技大学学报(医学)(英德文版)
Journal of Huazhong University of Science and Technology (Medical Sciences)
;
(6): 546-50, 2009.
Artigo
em Inglês
| WPRIM
| ID: wpr-634655
ABSTRACT
The effects of two different histone deacetylase (HDAC) inhibitors, sodium butyrate (NaB) and trichostatin A (TSA),on apoptosis of human leukemic cells in vitro and the molecular mechanisms were investigated. The experiments were divided up 5 groups control group, NaB group, TSA group, NaB+Z-VAD-FMK group and TSA+Z-VAD-FMK group. The apoptosis rate was determined by morphological analysis and flow cytomytry. The expression of Daxx, Bcl-2, and Bcl-xl proteins was detected by Western blot. NaB and TSA could induce the apoptosis of HL-60 and K562 cells, and Z-VAD-FMK caused a marked decrease in apoptosis induced by HDAC inhibitors. HDAC inhibitors could down-regulate the expression of Daxx protein, but had no significant influence on the expression of Bcl-2 and Bcl-xl proteins. The results suggested that NaB and TSA induce distinct caspase-dependent apoptosis of human leukemic cells through down-regulating the expression of Daxx protein in vitro.
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Índice:
WPRIM (Pacífico Ocidental)
Idioma:
Inglês
Revista:
Journal of Huazhong University of Science and Technology (Medical Sciences)
Ano de publicação:
2009
Tipo de documento:
Artigo
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