Article Publish Status: FREE
Abstract Title:

Piperlongumine inhibits cancer stem cell properties and regulates multiple malignant phenotypes in oral cancer.

Abstract Source:

Oncol Lett. 2018 Feb ;15(2):1789-1798. Epub 2017 Nov 24. PMID: 29399195

Abstract Author(s):

Yin-Ju Chen, Chia-Chun Kuo, Lai-Lei Ting, Long-Sheng Lu, Ya-Ching Lu, Ann-Joy Cheng, Yun-Tien Lin, Chien-Ho Chen, Jo-Ting Tsai, Jeng-Fong Chiou

Article Affiliation:

Yin-Ju Chen


Piperlongumine (PL), a natural product of, inhibits multiple malignant phenotypes. Therefore, the present study examined whether PL suppresses cancer stemness in oral cancer. The cellular effects of PL were determined by examining alterations in tumor sphere formation, cell migration, invasion, proliferation ability, chemosensitivity and radiosensitivity. Reverse transcription-quantitative polymerase chain reaction analysis and western blotting were performed in order to determine molecular expression levels. The present study revealed that PL inhibited cancer stem cell-forming ability and suppressed the expression of the stemness-related transcription factors SRY-Box 2, POU class 5 homeobox 1, and Nanog homeobox. However, it increased the expression of the differentiation marker cytokeratin 18. PL also suppressed cell migration and invasion, resulting in the elimination of the epithelial-mesenchymal transition. Furthermore, PL increased chemo- and radiosensitivity and suppressed tumor growthand. The results of the present study suggested that PL inhibits malignant phenotypes via the suppression of cancer stemness in oral cancer. Thus, PL may serve as an effective therapeutic agent for oral cancer.

Study Type : Animal Study, In Vitro Study

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