Abstract Title:

Curcumin reduces pulmonary tumorigenesis in vascular endothelial growth factor (VEGF)-overexpressing transgenic mice.

Abstract Source:

Mol Nutr Food Res. 2011 Jul ;55(7):1036-43. Epub 2011 May 2. PMID: 21538854

Abstract Author(s):

Yu-Tang Tung, Hsiao-Ling Chen, Cheng-Wei Lai, Chih-Jie Shen, Yi-Wen Lai, Chuan-Mu Chen

Article Affiliation:

Department of Life Sciences, National Chung Hsing University, Taichung, Taiwan.


SCOPE: We investigated the inhibition of pulmonary tumor formation through treatment with curcumin in transgenic mice.

METHODS AND RESULTS: In this study, a strain of transgenic mice carrying human vascular endothelial growth factor A₁₆₅ (hVEGF-A₁₆₅) gene to induce pulmonary tumor was used as an in vivo cancer therapy model. We found that curcumin significantly reduced hVEGF-A₁₆₅ overexpression to normal, specifically in Clara cells of the lungs of transgenic mice, and suppressed the formation of tumors. In addition, we demonstrated a relationship between curcumin treatment and the expression of VEGF, EGFR, ERK2, and Cyclin A at the transcriptional and translational levels. We also noticed a reduction of Cyclin A and Cyclin B after curcumin treatment that had an effect on the cell cycle. Curcumin-inducedinhibition of Cyclin A and Cyclin B likely results in decreased progression through S and G2/M phases. These results demonstrated that the expression of proteins involved in the S to M phase transition in transgenic mice is suppressed by curcumin.

CONCLUSION: A Data suggest that a blockade of the cell cycle may be a critical mechanism for the observed effects on vasculogenesis and angiogenesis following treatment with curcumin.

Study Type : Animal Study

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