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. 2014 Jan 6;33(1):3. doi: 10.1186/1756-9966-33-3

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Copyright © 2014 Zhao et al.; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Parthenolide inhibits cell growth (A, B) and induces apoptosis in a concentration-dependent (C) and a time-dependent manner (D). The indicated cell lines were seeded in 96-well plates and treated with the given concentration of PTL for 48 hrs. Cell survival was estimated using SRB assay (A) and MTT assay (B). Points: mean of four replicate determinations; bars: S.D. The indicated cells were treated with indicated concentrations of PTL for 24 hrs (C) or treated with 20 μmol/L PTL for various lengths of time and harvested for Western blot analysis (D). CF: cleaved form.