Mol Med Rep:ERα和Wnt /β-连环蛋白信号传导通路参与天竺葵素依赖性促成骨

2019-03-14 不详 网络

关于天竺葵素对性激素缺乏引起的骨质疏松症的改善作用的报道已经强调该化合物作为治疗骨质疏松症的候选物。然而,天竺葵素对成骨细胞分化的分子作用机制尚未得到彻底研究。本研究旨在使用细胞计数试剂盒-8,碱性磷酸酶活性和成骨基因和蛋白质的表达来评估天竺葵素对大鼠颅骨成骨细胞的增殖、分化和矿化的影响。使用天使素处理促进胎鼠颅骨成骨细胞中成骨标志物基因的增殖、基质矿化和上调,包括I型胶原蛋白α1和骨γ-羧基谷氨

关于天竺葵素对性激素缺乏引起的骨质疏松症的改善作用的报道已经强调该化合物作为治疗骨质疏松症的候选物。然而,天竺葵素对成骨细胞分化的分子作用机制尚未得到彻底研究。本研究旨在使用细胞计数试剂盒-8,碱性磷酸酶活性和成骨基因和蛋白质的表达来评估天竺葵素对大鼠颅骨成骨细胞的增殖、分化和矿化的影响。

使用天使素处理促进胎鼠颅骨成骨细胞中成骨标志物基因的增殖、基质矿化和上调,包括I型胶原蛋白α1和骨γ-羧基谷氨酸。此外,天竺葵素促进β-catenin和runt相关转录因子2的表达,其在Wnt /β-连环蛋白信号传导通路中起重要作用。同样地,通过使用Wnt抑制剂减弱了天冬氨酸的成骨作用。此外,天冬氨酸增加雌激素受体α(ERα)的表达,其也在成骨细胞分化中起关键作用。

总之,这些结果表明,天冬氨酸可通过激活ERα和Wnt/β-连环蛋白信号传导通路促进成骨细胞分化。

原始出处:

Ge L, Cui Y, et al., ERα and Wnt/β catenin signaling pathways are involved in angelicin dependent promotion of osteogenesis. Mol Med Rep. 2019 Mar 1. doi: 10.3892/mmr.2019.9999.

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