期刊
COLLOIDS AND SURFACES B-BIOINTERFACES
卷 94, 期 -, 页码 304-308出版社
ELSEVIER
DOI: 10.1016/j.colsurfb.2012.02.006
关键词
Selenium nanoparticles; He La cells; MDA-MB-231 cells; Atomic force microscope; Flow cytometric analysis
资金
- Natural Science Foundation of China [21075053, 20901030]
- Planned Item of Science and Technology of Guangdong Province [2008A030201020]
- Jinan University
In vitro antiproliferative effects of selenium nanoparticles (nanoSe(0), 10-40 mu mol/L) on HeLa (human cervical carcinoma) cells and MDA-MB-231 (human breast carcinoma) cells were examined by optical microscopic inspection and MTT assay in the present study. The nanoSe(0) effectively inhibited the growth of MDA-MB-231 cells and HeLa cells in a dose-dependent manner. The morphology analysis with atomic force microscope showed that the HeLa cells treated with 10 mu mol/L nanoSe(0) were rough and shrunken with truncated lamellipodia at terminal part of the cells. Flow cytometric analysis demonstrated that HeLa cells were arrested at S phase of the cell cycle after exposed to nanoSe(0) (10 mu mol/L). Taken together, our results suggested that nanoSe(0) may be more helpful in cancer chemoprevention as a potential anticancer drug. (C) 2012 Elsevier B.V. All rights reserved.
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