Hela cells

Anticancer activity of Bombyx batryticatus ethanol extract against the human tumor cell line HeLa

W. P. Wu, Cao, J., Wu, J. Y., Chen, H., and Wang, D., Anticancer activity of Bombyx batryticatus ethanol extract against the human tumor cell line HeLa, vol. 14, pp. 79-88, 2015.

Anticancer activity of Bombyx batryticatus ethanol extract (BBE) against HeLa cells was studied using cell viability, DNA fragmentation, real-time polymerase chain reaction, and Western blot analyses. The BBE inhibited the growth and induced apoptosis of HeLa cells. The MTT assay indicated that the BBE induced cytotoxicity in HeLa cells in a time- and concentration-dependent manner. When HeLa cells were treated for 48 h, the 50% inhibitory concentration (IC50) value for the BBE was 1.564 mg/mL.

Hypoxia-inducible factor-2α (HIF-2α) mediates the effects of hypoxia on the promotion of HeLa cell viability, colony formation, and invasion capacity in vitro

J. Xiong, Zhu, F. F., and Nie, M. F., Hypoxia-inducible factor-2α (HIF-2α) mediates the effects of hypoxia on the promotion of HeLa cell viability, colony formation, and invasion capacity in vitro, vol. 14, pp. 3281-3292, 2015.

Hypoxia reduces the oxygen supply to tumor cells and may limit tumor cell growth. However, hypoxia promotes tumor cell metabolic adaptation, apoptosis resistance, angiogenesis, invasion, and metastasis. Hypoxia-inducible factor-2α (HIF-2α) may be responsible for these hypoxia-induced changes. In this study, we investigated the effects of hypoxia and HIF-2α knockdown in HeLa cells. HIF-2α shRNA lentivirus was used to knock down HIF-2α expression; cell viability, colony formation, invasion capacity, and gene expression were assessed.

Induction of apoptosis in human cervical carcinoma Hela cells with active components of Menispermum dauricum

J. Y. Wang, Sun, S., Liu, L., and Yang, W. S., Induction of apoptosis in human cervical carcinoma Hela cells with active components of Menispermum dauricum, vol. 13, pp. 3545-3552, 2014.

Menispermum dauricum DC possesses a wide range of pharmacological effects. In this study, the mechanism of apoptosis induced by active components of M. dauricum was investigated in the human cervical carcinoma HeLa cell line. HeLa cells were treated with different M. dauricum concentrations over different time periods. The proliferation-inhibitory rate and cytotoxic effect of HeLa cells were measured by using the methyl thiazolyl tetrazolium (MTT) assay, and the apoptotic rate was detected by flow cytometry.

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