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. 2012 Mar 26;17(4):3736–3750. doi: 10.3390/molecules17043736

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© 2012 by the authors; licensee MDPI, Basel, Switzerland.

This article is an open-access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

PMC Copyright notice

Western blot analysis of cell cycle-related proteins in A549 cells treated with xanthatin. (A) The protein levels of G2/M cell cycle regulatory molecules including P-Rb, Rb, chk1, chk2, CDC2, p-CDC2 in A549 cells treated with xanthatin at indicated concentrations for 24 h were analyzed by western blot assay; (B) Densitometry analysis of the protein levels of G2/M cell cycle regulatory molecules. Data were presented as means ± SD by three independent experiments. Significance: * p < 0.05 versus the control; ** p < 0.01 versus the control, *** p < 0.001 versus the control.