Summary
The anticancer activity of trichostain A (TSA) on human B cell non-Hodgkin’s lymphoma and its mechanism were explored. The effect of TSA on the growth of Raji cells and normal peripheral blood mononuclear cells (NPBMNC) was studied by MTT assay. The effect of TSA on the apoptosis of Raji cells and NPBMNC was studied by flow cytometry and TDT-mediated dUTP nick end labeling (TUNEL). The effect of TSA on the cell cycle of Raji cells was studied by propidium iodide method. The results showed that TSA potently inhibited proliferation of Raji cells at microgram concentrations and induced apoptosis of Raji cells in a time-and concentration-dependent manner. Treatment with TSA induced accumulation of cells in G0/G1 or G2/M and a concomitant decrease of cell population in S phase. However, NPBMNC was less sensitive to the cytotoxic effect of TSA than Raji cells. It was concluded that TSA may inhibit the proliferation of Raji cells by regulating the cell cycle and inducing the cell apoptosis. Moreover, TSA demonstrates low toxicity in NPBMNC but selectively induces apoptosis of Raji cells.
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This project was supported by a grant from National Natural Sciences Foundation of China (No. 30271672).
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Sun, C., Liu, X., Chen, Y. et al. Anticancer activities of trichostatin A on malignant lymphoid cells. J. Huazhong Univ. Sc. Technol. 26, 538–541 (2006). https://doi.org/10.1007/s11596-006-0513-8
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DOI: https://doi.org/10.1007/s11596-006-0513-8