Piperlongumine induces apoptosis and synergizes with cisplatin or paclitaxel in human ovarian cancer cells.

Piperlongumine induces apoptosis and synergizes with cisplatin or paclitaxel in human ovarian cancer cells.
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Piperlongumine 在人卵巢癌细胞中诱导细胞凋亡并与顺铂或紫杉醇协同作用

DOI:
10.1155/2014/906804
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发表时间:
2014
影响因子:
--
通讯作者:
Yan XJ
Yan XJ
中科院分区:
生物学2区
文献类型:
--
作者:
Gong LH;Chen XX;Wang H;Jiang QW;Pan SS;Qiu JG;Mei XL;Xue YQ;Qin WM;Zheng FY;Shi Z;Yan XJ

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山胡椒碱(PL),一种来自山胡椒属(Piper longum L.)具有高选择性和有效的抗癌特性。然而,PL对卵巢癌细胞的影响仍然未知。在本研究中,我们首次证明PL选择性地抑制人卵巢癌细胞的生长。此外,PL显着诱导细胞凋亡,G2/M期阻滞,并在剂量和时间依赖性的方式在细胞内的活性氧化物质(ROS)的积累。用抗氧化剂N-乙酰-L-半胱氨酸预处理可完全逆转PL诱导的ROS积累和细胞凋亡。此外,低剂量的PL/顺铂或紫杉醇联合治疗对人卵巢癌细胞具有协同抗生长作用。总的来说,我们的研究提供了PL对人类卵巢癌的新的治疗潜力。
Piperlongumine (PL), a natural alkaloid from Piper longum L., possesses the highly selective and effective anticancer property. However, the effect of PL on ovarian cancer cells is still unknown. In this study, we firstly demonstrate that PL selectively inhibited cell growth of human ovarian cancer cells. Furthermore, PL notably induced cell apoptosis, G2/M phase arrest, and accumulation of the intracellular reactive oxidative species (ROS) in a dose- and time-dependent manner. Pretreatment with antioxidant N-acety-L-cysteine could totally reverse the PL-induced ROS accumulation and cell apoptosis. In addition, low dose of PL/cisplatin or paclitaxel combination therapies had a synergistic antigrowth effect on human ovarian cancer cells. Collectively, our study provides new therapeutic potential of PL on human ovarian cancer.
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