Mol Cells:研究揭示鸢尾根茎素的促成骨抑制破骨的作用及机制

2018-06-24 MedSci MedSci原创

尽管鸢尾根茎素(TG)通常用于治疗炎性疾病,但其对骨生成和破骨细胞生成的影响尚未见报道。本研究旨在探究TG对体外成骨细胞分化,体内骨形成,以及体外破骨细胞分化和体内骨吸收的影响及可能的潜在机制。 结果显示,TG促进原代成骨细胞和牙周膜细胞的成骨分化。此外,TG上调了BMP2、BMP4和Smad-4基因的表达,并增强了Runx2和Osterix的表达。μCT和组织学分析小鼠颅骨骨缺损显示,TG明显增

尽管鸢尾根茎素(TG)通常用于治疗炎性疾病,但其对骨生成和破骨细胞生成的影响尚未见报道。本研究旨在探究TG对体外成骨细胞分化,体内骨形成,以及体外破骨细胞分化和体内骨吸收的影响及可能的潜在机制。

结果显示,TG促进原代成骨细胞和牙周膜细胞的成骨分化。此外,TG上调了BMP2、BMP4和Smad-4基因的表达,并增强了Runx2和Osterix的表达。μCT和组织学分析小鼠颅骨骨缺损显示,TG明显增加了新骨形成。此外,TG处理抑制破骨细胞分化和破骨细胞标志物的mRNA水平。小鼠体内研究表明TG可明显减弱骨吸收。

综上所述,该研究结果表明,TG刺激体外成骨分化,增加体内骨再生,体外抑制破骨细胞分化,并抑制体内炎性骨丢失。这些新发现提示TG可能对骨再生和骨疾病的治疗有用。

原始出处:

Lee SY, Kim GT, et al., Tectorigenin Promotes Osteoblast Differentiation and in vivo Bone Healing, but Suppresses Osteoclast Differentiation and in vivo Bone Resorption. Mol Cells. 2018 May 31;41(5):476-485. doi: 10.14348/molcells.2018.0056. Epub 2018 May 15.

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    2018-08-13 维他命
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    2018-06-26 zhaojie88
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