[Mechanism of differentiation and apoptosis in leukemia cells induced by tributyrin].
Copyright policy )[Mechanism of differentiation and apoptosis in leukemia cells induced by tributyrin].
To elucidate the possible mechanism of differentiation and/or apoptosis in NB4, K562 cells induced by tributyrin (TB), a histone deacetylase inhibitor (HDACi), the level of acetylated histone H3 was detected by Western blot, p21(WAF1) expression was detected by semi-quantitative RT-PCR. The results showed that histone H3 hyperacetylation was detected in NB4 (or K562) cells after treatment with TB 0.1 mmol/L (or TB 0.5 mmol/L) for 16 hours in a dose-dependent manner. p21(WAF1) dose-dependently increased at RNA level in these two cell lines treated by TB 0.1 mmol/L. The level of p21(WAF1) mRNA increased at 2 hours after TB treatment, reaching peak at 16 hours, and maintaining for 48 hours. In conclusion, the mechanism of differentiation and apoptosis in NB4, K562 cells induced by tributyrin may associate with its up-regulation of acetylated histone and p21(WAF1) mRNA level.
- Suzhou University China (People's Republic of)
Cyclin-Dependent Kinase Inhibitor p21, Leukemia, Dose-Response Relationship, Drug, Reverse Transcriptase Polymerase Chain Reaction, Blotting, Western, Acetylation, Apoptosis, Cell Differentiation, Histone Deacetylases, Gene Expression Regulation, Neoplastic, Histone Deacetylase Inhibitors, Histones, Cell Line, Tumor, Humans, RNA, Messenger, Enzyme Inhibitors, K562 Cells, Triglycerides
Cyclin-Dependent Kinase Inhibitor p21, Leukemia, Dose-Response Relationship, Drug, Reverse Transcriptase Polymerase Chain Reaction, Blotting, Western, Acetylation, Apoptosis, Cell Differentiation, Histone Deacetylases, Gene Expression Regulation, Neoplastic, Histone Deacetylase Inhibitors, Histones, Cell Line, Tumor, Humans, RNA, Messenger, Enzyme Inhibitors, K562 Cells, Triglycerides
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