Diao B, Tang Y, Wen Y, Wang XK. Sodium butyrate induces apoptosis and regulates caspase-3 in colorectal cancer cells COLO205.
Shijie Huaren Xiaohua Zazhi 2009;
17:1558-1560. [DOI:
10.11569/wcjd.v17.i15.1558]
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Abstract
AIM: To observe the regulatory effects of sodium butyrate on caspase-3 in COLO205 colorectal cancer cells, and to investigate the mechanisms of apoptosis in COLO205 induced by sodium butyrate.
METHODS: 1, 2, 4 mmol/L sodium butyrate were co-cultured with COLO205 cells for 48 h, respectively; the viability of COLO205 was detected using MTT method; the expression of caspase-3, using immunohistochemical method; the rate of apoptosis in COLO205, using flow cytometry.
RESULTS: Compared with negative control group, the viability of COLO205 (0.47 ± 0.09, 0.40 ± 0.03, 0.37 ± 0.02 vs 0.55 ± 0.09, P < 0.05 or 0.01) was lower obviously; sodium butyrate promoted the masculine expression of caspase-3 (31.9 ± 1.15, 40.6 ± 1.04, 51.7 ± 1.17 vs 29.4 ± 1.02, P < 0.05 or 0.01), and elevated the rate of apoptosis (8.27%±0.42%, 15.1% ± 0.72%, 21.6% ± 0.95% vs 7.0% ± 0.33%, P < 0.05 or 0.01) in COLO205.
CONCLUSION: Sodium butyrate induces the apoptosis of COLO205 through enhancing the expression of caspase-3 gene.
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