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. Author manuscript; available in PMC: 2016 Apr 1.
Published in final edited form as: Mol Carcinog. 2013 Nov 14;54(4):291–300. doi: 10.1002/mc.22099

Figure 4.

Figure 4

Effect of GSE and Res on cell proliferation and apoptosis in 4NQO-induced oral (tongue) tumorigenesis. (A) Representative photographs for BrdU and TUNEL staining from 4NQO, 4NQO+GSE and 4NQO+Res groups are presented at 400X; insets represent further magnification of a part of the photographs. The positive stained cells (brown colored) were quantified for (B) BrdU staining and (C) TUNEL staining in tongue tissues from 4NQO, 4NQO+GSE and 4NQO+Res groups following the procedures described in ‘Materials and methods’. The data shown are mean ± SEM of five individual tongue tissues from each group. *, P<0.001; $, P<0.05; GSE, grape seed extract; Res, resveratrol.