Evaluation of the Cardiac Protection Conferred by Proanthocyanidins in Grape Seeds against Development of Ehrlich Solid Tumors in Mice

Figure 5

Photomicrographs of heart sections in the different experimental groups stained with TNFα. (a, b) Heart sections from mice in the control group and GSPE group exhibiting slight positive TNFα reactions (arrows). (c, d) Heart sections from mice in the EST group displaying moderate positive reactions (arrows) for TNFα. (e, f) Heart sections from mice in the GSPE + EST and EST + GSPE groups exhibited mild positive reactions (arrows) for TNFα expression.

(a)

(b)

(c)

(d)

(e)

(f)