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Depression: 21st Century Solutions + The Dark Side of Wheat

Abstract Title:

[The effects of curcumin on PTEN/PI3K/Akt pathway in Ec109 cells].

Abstract Source:

Zhongguo Ying Yong Sheng Li Xue Za Zhi. 2015 Sep ;31(5):465-8. PMID: 26827544

Abstract Author(s):

Xiu-juan Li, Qiang Luo, Li Sun, Hua Lit, Chun-ting Jin, Jie Fan, Yu-zhen Li

Article Affiliation:

Xiu-juan Li

Abstract:

OBJECTIVE: To investigate the inhibition effect of curcumin on the proliferation of the human esophageal carcinoma cell line Ec109 and its impact on PEN/PI3K/Akt signaling pathway.

METHODS: Esophageal carcinoma Ec109 cells were cultured in vitro conventionally and were treated with curcumin at different concentrations. The cell proliferation level was examined by MIT colorimetry, the ultrastructure of curcumin-treated Ec109 cells were detected with transmission electron microscope (TEM) and cell apoptosis was observed by FCM with AnnexinV-FITC/PI double staining. The protein levels of PTEN, Akt, GSK3P and Caspase 3 of curcumin-treated Ec109 cells were detected by Western blot.

RESULTS: MTT test showed that curcumin could inhibit the proliferation of Ec109 cells in a time and concentration-dependent manner. TEM examination indicated that curcumin could induce Ec109 cell apoptosis. FCM detection showed that Ec109 cell apoptotic rate increased significantly with the increase of drug concentration. On the other hand, curcumin could promote the expression of PTEN, GSK3beta and Caspase 3 yet reduce the expression of Akt.

CONCLUSION: Curcumin could obviously up-regulate the expression of PTEN, GSK3beta and Caspase 3, surpress PI3K/Akt signaling pathway and hence inhibit the proliferation of Ec109 cells.

Study Type : In Vitro Study

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Sayer Ji
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Depression: 21st Century Solutions + The Dark Side of Wheat

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