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Abstract Title:

Hispolon from Phellinus linteus possesses mediate caspases activation and induces human nasopharyngeal carcinomas cells apoptosis through ERK1/2, JNK1/2 and p38 MAPK pathway.

Abstract Source:

Phytomedicine. 2014 Oct 15 ;21(12):1746-52. Epub 2014 Sep 25. PMID: 25442286

Abstract Author(s):

Ming-Ju Hsieh, Su-Yu Chien, Ying-Erh Chou, Chih-Jung Chen, Judy Chen, Mu-Kuan Chen

Article Affiliation:

Ming-Ju Hsieh

Abstract:

Hispolon, a phenol compound isolated from Phellinus linteus (PL), possesses anti-inflammatory, antiproliferative, and antioxidant effects. However, the effects of hispolon on human nasopharyngeal carcinomas have yet to be evaluated. Here, the molecular mechanism by which hispolon anticancer effects in human nasopharyngeal carcinomas cells was investigated. The results showed that hispolon significantly inhibited cell proliferation of HONE-1 and NP-039 cell lines. Furthermore, hispolon induced apoptosis through caspases-3, -8, and -9 activations and PARP cleavage in dose- and time-dependent manner in HONE-1 and NP-039 cells. Moreover, hispolon also showed that increase phosphorylation of ERK1/2, p38 MAPK and JNK1/2 in dose- and time-dependent manner by western blot analysis. However, hispolon-induced activation of the caspase-3, -8 and -9 significantly abolished by inhibition of p38 MAPK and JNK1/2 specific inhibitors. In this study, we determine that the effects of hispolon on the apoptosis and related regulation mechanism in HONE-1 and NPC-039 cells takes place. Our findings revealed that hispolon may be a useful candidate as a chemotherapeutic agent for NPC therapy.

Study Type : In Vitro Study

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