Biosci Rep:TGF-β通过抑制泛素 - 蛋白酶体途径阻止去神经支配诱导的骨形成减少并促进骨再生

2019-04-28 不详 网络

转化生长因子β(TGF-β)可以作为多功能蛋白刺激成骨。本研究旨在探讨TGF-β是否可以预防去神经支配诱导的骨形成减少。使用重组人TGF-β1(rhTGF-β1)处理6周龄雄性小鼠。通过实时PCR在骨骼组织中测量骨形成,软骨内骨生长速率和成骨细胞标志物的基因表达。结果显示,RhTGF-β1治疗阻止去神经支配诱导的骨形成率,软骨内生长和Cbfa1/Runx2(Runt相关转录因子2),OC和ColI

转化生长因子β(TGF-β)可以作为多功能蛋白刺激成骨。本研究旨在探讨TGF-β是否可以预防去神经支配诱导的骨形成减少。

使用重组人TGF-β1(rhTGF-β1)处理6周龄雄性小鼠。通过实时PCR在骨骼组织中测量骨形成,软骨内骨生长速率和成骨细胞标志物的基因表达。

结果显示,RhTGF-β1治疗阻止去神经支配诱导的骨形成率,软骨内生长和Cbfa1/Runx2(Runt相关转录因子2),OC和ColIA1表达的降低。TGF-β1通过遍在蛋白-蛋白酶体通路部分抑制去神经诱导的小鼠松质骨中Cbfa1/Runx2的泛素化。

总之,TGF-β通过至少部分地抑制遍在蛋白-蛋白酶体通路来防止去神经支配诱导的骨形成减少并促进骨再生。

原始出处:

Yu Z, Li Y, et al., TGF-β Prevents the Denervation-induced Reduction of Bone Formation and Promotes the Bone Regeneration through Inhibiting Ubiquitin-proteosome Pathway. Biosci Rep. 2019 Apr 23. pii: BSR20190350. doi: 10.1042/BSR20190350.

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    2019-05-21 canlab
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    2020-03-23 changhe713
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    2019-06-17 sunylz
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    2019-04-30 lsj630