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Abstract Title:

Fisetin Reduces Cell Viability Through Up-Regulation of Phosphorylation of ERK1/2 in Cholangiocarcinoma Cells.

Abstract Source:

Anticancer Res. 2016 11 ;36(11):6109-6116. PMID: 27793939

Abstract Author(s):

Nayoung Kim, Sang Hyub Lee, Jun Hyuk Son, Jae Min Lee, Min-Jung Kang, Bo Hye Kim, Jung-Su Lee, Ji Kon Ryu, Yong-Tae Kim

Article Affiliation:

Nayoung Kim

Abstract:

BACKGROUND: Cholangiocarcinoma (CCA) is a malignancy with poor prognosis and limited therapeutic options. Effective prevention and treatment of CCA require developing novel anticancer agents and improved therapeutic regimens. As natural products are concidered a rich source of potential anticancer agents, we investigated the anticancer effect of fisetin in combination with gemcitabine.

MATERIALS AND METHODS: Cytotoxic effect of fisetin and gemcitabine on a human CCA cell line SNU-308 was assessed by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay and apoptosis assay using propidium iodine and annexin V. Molecular mechanisms of fisetin action in CCA were investigated by western blotting.

RESULTS: Fisetin was found to inhibit survival of CCA cells, through strongly phosphorylating ERK. It also induced cellular apoptosis additively in combination with gemcitabine. Expression of cellular proliferative markers, such as phospho-p65 and myelocytomatosis (MYC), were reduced by fisetin.

CONCLUSION: These results suggest fisetin in combination with gemcitabine as a candidate for use in improved anticancer regimens.

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Sayer Ji
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