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Abstract Title:

Pine needle oil induces G2/M arrest of HepG2 cells by activating the ATM pathway.

Abstract Source:

Exp Ther Med. 2018 Feb ;15(2):1975-1981. Epub 2017 Dec 15. PMID: 29434792

Abstract Author(s):

Bing Qiu, Wei Jiang, Wenliang Qiu, Wenling Mu, Yujing Qin, Yongcui Zhu, Jianying Zhang, Qingyi Wang, Dongjie Liu, Zhangyi Qu

Article Affiliation:

Bing Qiu

Abstract:

Over the last two decades, inducing DNA damage of cancer cells by natural medicines has become a research hotspot in the field of cancer treatment. Although various natural medicines have anticancer effects, very few studies have been conducted to explore the anti-cancer effect of pine needle oil. In the present study, the role of pine needle oil in inducing G2/M arrest in HepG2 cells was investigated. The data revealed that pine needle oil could induce DNA damage in a dose-dependent manner. In the pine needle oil-treated HepG2 cells, the protein levels of phosphorylated (p)-ataxia-telangiectasia mutated (ATM),γ-H2A histone family, member X, p-p53, p-checkpoint kinase 2 and p-cell division cycle 25C were evidently increased, indicating that pine needle oil facilitated G2/M arrest in HepG2 cells through the ATM pathway. In response to the treatment with pine needle oil, ATM was activated in HepG2 cells, which subsequently phosphorylated downstream targets and induced G2/M arrest. In summary, the data of the present study indicated that pine needle oil induces G2/M arrest in HepG2 cells by facilitating ATM activation.

Study Type : In Vitro Study

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