Conversion of Fibroblast into Functional Leydig-like Cell Using Defined Small Molecules

Conversion of Fibroblast into Functional Leydig-like Cell Using Defined Small Molecules
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使用确定的小分子将成纤维细胞转化为功能性 Leydig 样细胞

DOI:
10.1016/j.stemcr.2020.07.002
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发表时间:
2020-07
期刊:
影响因子:
5.9
通讯作者:
Huang Yadong
Huang Yadong
中科院分区:
医学1区
文献类型:
--
作者:
Yang Yan;Zhou Chenxing;Zhang Tiantian;Li Quan;Mei Jiaxin;Liang Jinlian;Li Ziyi;Li Hanhao;Xiang Qi;Zhang Qihao;Zhang Lei;Huang Yadong

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最近的研究表明,成纤维细胞可以通过转录因子直接转化为功能性间质细胞。然而,这些研究中使用的转基因方法对其未来的应用提出了安全性问题。在这里,我们报告说,成纤维细胞可以直接重编程为Leydig样细胞暴露于毛喉素,20α-羟基胆固醇,促黄体生成素,和SB 431542的组合。这些化学化合物诱导的Leydig样细胞(CiLC)表达类固醇基因,并具有与Leydig祖细胞相似的整体基因表达谱,尽管不完全相同。此外,这些细胞可以在睾丸中存活,并以昼夜节律产生睾酮。该诱导策略适用于将人牙周膜成纤维细胞重编程为Leydig样细胞。这些发现表明成纤维细胞可以通过纯化合物直接转化为Leydig样细胞。这种策略克服了传统的基于转基因的重编程的局限性,并为基于Leydig细胞的治疗提供了一种简单有效的方法,同时保留了下丘脑-垂体-性腺轴。
Recent studies have demonstrated that fibroblasts can be directly converted into functional Leydig cells by transcription factors. However, the transgenic approach used in these studies raises safety concerns for its future application. Here, we report that fibroblasts can be directly reprogrammed into Leydig-like cells by exposure to a combination of forskolin, 20α-hydroxycholesterol, luteinizing hormone, and SB431542. These chemical compound-induced Leydig-like cells (CiLCs) express steroidogenic genes and have a global gene expression profile similar to that of progenitor Leydig cells, although not identical. In addition, these cells can survive in testis and produce testosterone in a circadian rhythm. This induction strategy is applicable to reprogramming human periodontal ligament fibroblasts toward Leydig-like cells. These findings demonstrated fibroblasts can be directly converted into Leydig-like cells by pure chemical compounds. This strategy overcomes the limitations of conventional transgenic-based reprogramming and provides a simple, effective approach for Leydig cell-based therapy while simultaneously preserving the hypothalamic-pituitary-gonadal axis.
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