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Kang, N.J., Lee, K.W., Shin, B.J., Jung, S.K., Hwang, M.K., Bode1, A.M., Heo, Y., Lee, H.J. and Dong, Z. (2009) Caffeic Acid, a Phenolic Phytochemical in Coffee, Directly Inhibits Fyn Kinase Activity and UVB-Induced COX-2 Expression. Carcinogenesis, 30, 321-330.
http://dx.doi.org/10.1093/carcin/bgn282

has been cited by the following article:

• TITLE: Effect of Interaction Phenolic Compounds with Milk Proteins on Cell Line

  AUTHORS: Nayra Shaker Mehanna, Zakaria Mohamed Rezk Hassan, Hala Mohamed Faker El-Din, Ali Abd-Elaziz Ali, Ryszard Amarowicz, Tamer Mohammed El-Messery

  KEYWORDS: Phenolic Compounds, Protein, Interaction and Human Cell Line

  JOURNAL NAME: Food and Nutrition Sciences, Vol.5 No.22, December 4, 2014

  ABSTRACT: Plant flavonoids are polyphenolic compounds, commonly found in vegetables, fruits and many food sources that form a significant portion of our diet. These compounds act as anticancer and anti-proliferative but after interaction with milk proteins they form complexes which become less effective than these compounds alone. Investigation has been conducted to delineate the action of some phenolic compounds of natural origin and complexes formed from interactions between phenolic compounds and milk proteins in three human tumors cell lines: Breast (MCF7), Liver (HePG2) and colon (HCT116), these interactions were studied by fourier transform infrared spectroscopy (FTIR). Phenolic compounds have positive effect on human cancer cell lines but after interaction with milk protein and forming complexes, they become less effective than phenolics and some time have negative effect and become pro-cancer; this interaction can be studied by (FTIR) to know which groups do this complex. The spectra were recorded under conditions generally applied in quantitative work. IR spectra were recorded in the region from 4000 - 250 cm–1, but the bands in the region 4000 - 1400 cm–1 were analyzed in detail, since they are characteristic of OH groups while NH groups appeared at (3000 - 4000 cm–1) of various protonic species that undergo hydrogen bonding interaction. Another region of interest was the region from 1800 - 1400 cm–1, characteristic of the bending vibrations of the same group. Since the bands in this region were wide and complex.