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Article Publish Status: FREE
Abstract Title:

Piperlongumine Inhibits Akt Phosphorylation to Reverse Resistance to Cisplatin in Human Non-Small Cell Lung Cancer CellsROS Regulation.

Abstract Source:

Front Pharmacol. 2019 ;10:1178. Epub 2019 Oct 11. PMID: 31680961

Abstract Author(s):

Chao Zhang, Lian-Jun He, Yi-Bao Zhu, Qing-Zhu Fan, Dong-Dong Miao, Sheng-Peng Zhang, Wen-Ying Zhao, Xiao-Ping Liu

Article Affiliation:

Chao Zhang

Abstract:

Resistance is a major concern when administering chemotherapy to patients with non-small cell lung cancer (NSCLC). Chemosensitizer are agents that can reverse resistance to chemotherapeutic drugs, thereby enhancing the chemosensitivity of tumor cells. Thus, their development will improve therapeutic efficacy in cancer. However, few effective chemosensitizer have been identified to date. Piperlongumine (PL) has been shown to effectively reverse resistance to chemotherapeutic drugs in several types of cancers. However, the mechanisms associated with the chemotherapy resistance reversal effect of PL and its regulation of target factors in chemotherapy resistance cells are still unclear. This study investigated the reversal effect of PL bothand, and provided evidence that PL inhibited the phosphorylation of Aktthe accumulation of reactive oxygen species in chemotherapy resistance cells. Consequently, various Akt activation-dependent genes caused a reduction of drug efflux and induction of apoptosis in cisplatin-resistant A549 NSCLC cells. Our results indicate that Akt phosphorylation may play a functional role in the reversal effect of PL and contribute, at least in part, to the treatment outcomes of patients with chemotherapy resistance.

Study Type : In Vitro Study

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