Abstract Title:

Vitamin B2 sensitizes cancer cells to vitamin C-induced apoptosis via modulation of Akt and Bad phosphorylation.

Abstract Source:

J Agric Food Chem. 2015 Jul 13. Epub 2015 Jul 13. PMID: 26165392

Abstract Author(s):

Ni Chen, Shutao Yin, Xinhua Song, Lihong Fan, Hongbo Hu

Article Affiliation:

Ni Chen


Vitamin C is an essential dietary nutrient that has a variety of biological functions. Recent studies have provided promising evidence for its additional health benefits including anti-cancer activity. Vitamin B2, another essential dietary nutrient, is often coexisted with vitamin C in some fruits, vegetables or dietary supplements. The objective of the present study is to determine whether combination of vitamin C and B2 can achieve a synergistic anti-cancer activity. MDA-MB-231, MCF-7 and A549 cells were employed to evaluate the combinatory effects of vitamin C and B2. We found that combination of vitamin C and vitamin B2 resulted in a synergistic cell death induction in all cell lines tested. Further mechanistic investigations revealed that vitamin B2 sensitized cancer cells to vitamin C through inhibition of Akt and Bad phosphorylation. Our findings identified vitamin B2 as a promising sensitizer for improving the efficacy of vitamin C-based cancer chemoprevention and chemotherapy.

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