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. 2010 Sep 8;5(9):e12644. doi: 10.1371/journal.pone.0012644

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Tang et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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TUNEL analysis of MeWo and PC-3 cancer cells after being treated with Phyllanthus extracts at 100× magnification. TUNEL-positive (apoptotic) cells were observable as brown stained cells (red arrow) in Phyllanthus extracts-treated A) MeWo and B) PC-3 cells and normal viable cells stain as blue colour. C) The graph shows the percentage of apoptotic index (%) of untreated and treated (Phyllanthus extracts and anticancer drugs) MeWo and PC-3 cancer cells from TUNEL analysis.