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KMID : 1007520200290060845
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Food Science and Biotechnology
2020 Volume.29 No. 6 p.845 ~ p.853
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Pine needle hexane extract promote cell cycle arrest and premature senescence via p27KIP1 upregulation gastric cancer cells
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Kim Woong
Park Cheol-Woo
Park Jae-Young
Cheong Hyeon-Sook
Kim Seok-Jun
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Abstract
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Pinus densiflora sieb. et zucc.(pine needle) is a traditional medicine used in several East Asian countries. However, the efficacy of pine needle has rarely been reported. In this study showed that the anti-proliferative effects and the mechanisms of hexane layer of pine needle MeOH extract (PNH) on gastric cancer cells. At first, PNH inhibited the proliferation of gastric cancer cells in a dose-dependent manner. Moreover, PNH treatment induced G1 phase cell cycle arrest through the increased p27KIP1 expression and decreased cyclin dependent kinase (CDKs) activity. Furthermore, PNH treatment induced premature senescence without oncogenic stress, through the expression of p27KIP1 and Skp2. Taken together, these results showed that PNH inhibited gastric cancer cell proliferation through the induction of G1-cell cycle arrest and premature senescence via induced p27KIP1 expression, as controlled by Skp2 reduction. Also, PNH could be a candidate for anti-gastric cancer treatment and may be useful in the development of anti-gastric cancer drugs.
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KEYWORD
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Pine needle hexane extract (PNH), p27, Skp2, Gastric cancer
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