Finally, we also found that repeated UVB
exposures resulted in an up-regulation of mitogen activated protein
kinase (MAPK) 1/2 and MAPK kinase (MEK)-1; whereas topical
application of resveratrol prior to UVB exposures significantly reversed
the UVB-mediated responses in these proteins [8]. Taken together,
this study suggested that the anti-proliferative effects of
resveratrol might be mediated via modulation in i) cki–cyclin–
cdk network and (ii) MAPK-pathway