Recombined humanized endostatin-induced suppression of HMGB1 expression inhibits proliferation of NSCLC cancer cells.

Recombined humanized endostatin-induced suppression of HMGB1 expression inhibits proliferation of NSCLC cancer cells.
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重组人源化内皮抑素诱导的 HMGB1 表达抑制抑制 NSCLC 癌细胞增殖

DOI:
10.1111/1759-7714.12905
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发表时间:
2019-01
期刊:
影响因子:
2.9
通讯作者:
Zhang J
Zhang J
中科院分区:
医学3区
文献类型:
--
作者:
Meng FJ;Wang S;Yan YJ;Wang CY;Guan ZY;Zhang J

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重组人源化内皮抑素(Rh-内皮抑素)表现出有效的抗癌作用,涉及多个分子靶点和信号通路。 HMGB1 是一种高度保守的 DNA 结合蛋白,参与癌症的发展。 Rh-内皮抑素对 HMGB1 的治疗作用尚未见报道,因此我们研究了其在非小细胞肺癌 (NSCLC) 细胞中的作用。采用实时定量PCR和Western blot分析A549癌细胞中HMGB1的信使RNA和蛋白表达,并采用酶联免疫吸附法检测HMGB1的释放。进行蛋白质印迹评估 SK-MES-1 和 H661 NSCLC 细胞中 HMGB1 的表达。 Rh-内皮抑素抑制 A549 癌细胞的增殖,并以剂量​​和时间依赖性方式明显下调 HMGB1 的表达和释放。 Rh-内皮抑素诱导的 HMGB1 下调在不同类型的 NSCLC 细胞中得到证实。这些结果证明了Rh-内皮抑素可以在多种NSCLC细胞中诱导HMGB1抑制的普遍现象。 Rh-endostatin可能抑制A549癌细胞中HMGB1的表达和释放,从而抑制细胞增殖。
Recombined humanized endostatin (Rh‐endostatin) exhibits a potent anti‐cancer effect involving multiple molecular targets and signaling pathways. HMGB1 is a highly conserved DNA‐binding protein involved in cancer development. The therapeutic effect of Rh‐endostatin on HMGB1 has not been reported, thus we investigate the effect in non‐small cell lung cancer (NSCLC) cells. Quantitative real‐time PCR and Western blot were used to analyze the messenger RNA and protein expression of HMGB1 in A549 cancer cells, while enzyme‐linked immunosorbent assay was used to detect the release of HMGB1. Western blot was performed to evaluate HMGB1 expression in SK‐MES‐1 and H661 NSCLC cells. Rh‐endostatin inhibited the proliferation of A549 cancer cells and distinctly downregulated the expression and release of HMGB1 in dose and time dependent manners. Rh‐endostatin‐induced HMGB1 downregulation was confirmed in different types of NSCLC cells. These results demonstrate the general phenomenon that Rh‐endostatin can induce HMGB1 suppression in a variety of NSCLC cells. Rh‐endostatin may suppress HMGB1 expression and release in A549 cancer cells, thus inhibiting cell proliferation.
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