Schisandrin B inhibits the proliferation of human lung adenocarcinoma A549 cells by inducing cycle arrest and apoptosis.

Schisandrin B inhibits the proliferation of human lung adenocarcinoma A549 cells by inducing cycle arrest and apoptosis.
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五味子素 B 通过诱导周期阻滞和细胞凋亡来抑制人肺腺癌 A549 细胞的增殖。

DOI:
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发表时间:
2015-05
期刊:
Int J Clin Exp Med
影响因子:
--
通讯作者:
Zhang Jie
Zhang Jie
中科院分区:
其他
文献类型:
--
作者:
Lv Xue-Jiao;Zhao Li-Jing;Hao Yu-Qiu;Su Zhen-Zhong;Li Jun-Yao;Du Yan-Wei;Zhang Jie

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肺癌是世界上癌症死亡的主要原因。五味子乙素(Schizandrin B,Sch B)是五味子科植物北五味子果实中主要的二苯并环辛二烯木脂素类化合物之一。Sch B具有多种抗癌功能。本研究采用MTT法、流式细胞术、创伤愈合实验和transwell侵袭实验等方法,观察Sch B对肺腺癌A549细胞增殖、细胞周期、凋亡和侵袭能力的影响。Sch B对A549细胞的增殖有明显的抑制作用,并呈剂量依赖性。Sch B通过下调细胞周期蛋白D1、细胞周期蛋白依赖性激酶(CDK)4和CDK 6的表达,上调p53和p21的表达,使A549细胞周期阻滞于G 0/G1期。Sch B通过上调Bax、Caspase-3、9和Cyto C的表达,下调Bcl-2和PCNA的表达,诱导A549细胞凋亡。此外,Sch B通过下调HIF-1、VEGF、MMP-9和MMP-2的表达,抑制A549细胞的侵袭和迁移。因此,Sch B具有较强的抗肿瘤活性,有望成为一种治疗人肺癌的中药。
Lung cancer is the leading cause of cancer death in the world. Schizandrin B (Sch B) is one of the main dibenzocyclooctadiene lignans present in the fruit of Schisandra chinensis (Schisandraceae). Sch B has multiple functions against cancer. The aim of this study was to determine the effect of Sch B on the proliferation, cell cycling, apoptosis and invasion of lung adenocarcinoma A549 cells by MTT, flow cytometry, wound healing and transwell invasion assays. Treatment with Sch B inhibited the proliferation of A549 cells in a dose-dependent manner. Sch B induced cell cycle arrest at G0/G1 phase by down-regulating the expression of cyclin D1, cyclin-dependent kinase (CDK)4, and CDK6, but up-regulating p53 and p21 expression in A549 cells. Furthermore, Sch B triggered A549 cell apoptosis by increasing Bax, cleaved caspase-3, 9, Cyto C, but decreasing Bcl-2 and PCNA expression. In addition, Sch B inhibited the invasion and migration of A549 cells by down-regulating the expressions of HIF-1, VEGF, MMP-9 and MMP-2. Therefore, Sch B has potent anti-tumor activity and may be a promising traditional Chinese medicine for human lung carcinoma.
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