Effect of resveratrol on proliferation and apoptosis of human pancreatic cancer MIA PaCa-2 cells may involve inhibition of the Hedgehog signaling pathway

Qin,Yong; Ma,Zhenhua; Dang,Xiaoyan; Li,Wei; Ma,Qingyong

doi:10.3892/mmr.2014.2511

Effect of resveratrol on proliferation and apoptosis of human pancreatic cancer MIA PaCa-2 cells may involve inhibition of the Hedgehog signaling pathway

Authors:
- Yong Qin
- Zhenhua Ma
- Xiaoyan Dang
- Wei Li
- Qingyong Ma
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Affiliations: Department of Hepatobiliary Surgery, First Affiliated Hospital of Medical College, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China, Department of Emergency, Second Affiliated Hospital of Medical College, Xi'an Jiaotong University, Xi'an, Shaanxi 710004, P.R. China
Published online on: August 21, 2014 https://doi.org/10.3892/mmr.2014.2511
Pages: 2563-2567

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Abstract

We previously demonstrated that resveratrol (Res) regulates the expression of PKC α and δ, to eventually inhibit growth and induce apoptosis in human gastric cancer cells. In the present study, the effect of Res on the growth of human pancreatic cancer cells was investigated, to further unveil the underlying mechanism. The human pancreatic cancer cell line MIA PaCa-2 was treated with three different concentrations of Res. Cell proliferation was assessed by the MTT assay, and apoptosis was detected by flow cytometry. Reverse transcription-quantitative PCR (RT-qPCR) and western blot analysis were used to measure the mRNA and protein levels of the Hedgehog (Hh) signaling proteins Ihh, Ptch and Smo. Our results revealed that Res can inhibit the cell proliferative ability in a time- and dose-dependent manner. The number of formed colonies in the Res- and 5-Fu (positive control)-treated groups was decreased as compared to the negative control group. Res further induced apoptosis of MIA PaCa-2 cells in a dose-dependent manner. In addition, the levels of Ihh, Ptch and Smo were decreased by Res treatment. Our findings suggest that Res inhibits proliferation and induces apoptosis of MIA PaCa-2 pancreatic cancer cells in vitro, which may be related to its inhibitory effect on the Hh signaling pathway.

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