Abstract Title:

Modulatory Potential of Curcumin and Resveratrol on p53 Post-Translational Modifications during Gastric Cancer.

Abstract Source:

J Environ Pathol Toxicol Oncol. 2018 ;37(2):93-101. PMID: 30055545

Abstract Author(s):

Heng Xu, Wen-Bo Yu, Yuan Gao, Mei-Jun Zhang, Anshoo Malhotra, Wen-Hui Yu

Article Affiliation:

Heng Xu


The combination approach is now a well-established treatment for cancer. The present study evaluated the potential of curcumin and resveratrol on p53 post-translational modifications during gastric cancer. We segregated rats into five groups that included normal controls, dimethylhydrazine (DMH) treated, DMH + curcumin treated, DMH + resveratrol treated, and DMH + curcumin + resveratrol treated. Morphological analyses of tumor nodules confirmed carcinogenesis in rats after 25 weeks of DMH administration. The DMH treatment significantly induced carcinogenesis, as evidenced by high tumor burden in DMH-treated rats compared with controls. Moreover, DMH treatment caused a significant increase in the protein expressions of p53 as well as p53 phosphorylation in the DMH-treated rats. In addition, a significant rise was observed in 14C glucose uptake and 3H-thymidin uptakes in DMH-treated rats. Furthermore, enzyme activities of lactate dehydrogenase and alkaline phosphatase also showed a significant rise. On the contrary, significant decline was noticed in the p53 acetylation at residue 382 of DMH-treated rats. Conversely, combined treatment with curcumin and resveratrol to DMH-treated rats resulted in significant moderation in the tumor burden. In addition, a significant rise in p53 acetylation was at residue 382 of DMH-treated rats after treatment with phytochemicals. Supplementation with phytochemicals significantly modulated other biophysical and biochemical indices to near normal levels. Therefore, we conclude that curcumin and resveratrol significantly modulated p53 post-translational modifications during gastric cancer.

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Sayer Ji
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