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转化生长因子β受体I抑制剂对肌管形成的作用 in vitro

Louise De Saeytyd¹, Zhihao Wang¹, Marjon Bloemen¹

¹Department of Dentistry, Orthodontics and Craniofacial Biology, Research Institute for Medical Innovation, Radboud University Medical Centre, Nijmegen, 6525EX, The Netherlands.

Scientific reports

|July 2, 2025

概括

作为转化生长因子-β受体I (TGFßRI) 的抑制剂,unisertib 没有阻碍骨肌细胞中的髓管形成. 这一发现表明,有性无性.

科学领域:

肌肉再生和纤维化研究.
细胞生物学和分子信号通路.

背景情况:

骨肌损伤通常会导致纤维化导致的不完全再生.
转化生长因子β (TGFß) 信号传递是纤维化中关键的途径.
研究TGFß受体抑制剂的抗纤维化作用,但它们对肌肉形成的影响尚不清楚.

研究的目的:

评估五种转化生长因子-β受体I (TGFßRI) 抑制剂对髓管形成的体外影响.
评估unisertib,SM16,AZ12799734,SB431542和IN1130在C2C12核细胞上的毒性和扩散作用.

主要方法:

用五种TGFßRI抑制剂的不同度治疗C2C12细胞核细胞.
进行了细胞毒性和扩散试验.
使用免疫光染色测定髓重链,评估了髓管形成.

主要成果:

SM16和IN1130没有显示有毒性;加卢尼塞尔蒂布和AZ12799734从10μM有毒;SB431542在100μM有毒.
所有的抑制剂都在1mM时降低了增殖.
在特定的度下,SM16,IN1130,SB431542和AZ12799734抑制了肌管形成 (融合指数),而galunisertib则没有.

结论:

在实验室中,galunisertib 没有证明对髓管形成有不良影响.
加卢尼塞尔蒂布可能是骨肌肉再生中抗纤维化疗法的潜在治疗候选者.

关键词:

这是ALK5抑制剂.化聚乙酸盐是一种化聚乙酸盐.脑细胞质细胞脑细胞质细胞是什么?这是Myotube的内容.小分子抑制剂小分子抑制剂转化生长因子β (TGF-β) 的转化生长因子β.

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