Treatment of MSCs with Wnt1a-conditioned medium activates DP cells and promotes hair follicle regrowth.

Treatment of MSCs with Wnt1a-conditioned medium activates DP cells and promotes hair follicle regrowth.
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用 Wntla 条件培养基处理 MSC 可激活 DP 细胞并促进毛囊再生

DOI:
10.1038/srep05432
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发表时间:
2014-06-25
期刊:
影响因子:
4.6
通讯作者:
Han W
Han W
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Dong L;Hao H;Xia L;Liu J;Ti D;Tong C;Hou Q;Han Q;Zhao Y;Liu H;Fu X;Han W

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脱发(脱发)是一个常见的问题,为人们。毛乳头是调节毛发生长的关键信号中心,它参与微环境的串扰,包括Wnt信号和干细胞。本研究旨在探讨过表达Wnt 1a的骨髓间充质干细胞对小鼠毛囊再生的影响。Wnt-CM促进毛囊从休止期向生长期的进展,并增强DP区的ALP表达。此外,毛发诱导相关基因上调,如qRT-PCR所示。如qRT-PCR测定所证明的,Wnt-CM处理恢复并增加了由双氢睾酮处理下调的基因的DP细胞表达。我们的研究表明,BM-MSC产生的Wnt 1a促进DP诱导毛发周期和再生的能力。
Hair loss (alopecia) is a common problem for people. The dermal papilla is the key signaling center that regulates hair growth and it engage in crosstalk with the microenvironment, including Wnt signaling and stem cells. In this study, we explored the effects of bone marrow mesenchymal stem cell overexpression of Wnt1a on mouse hair follicle regeneration. Wnt-CM accelerated hair follicle progression from telogen to anagen and enhanced the ALP expression in the DP area. Moreover, the hair induction-related genes were upregulated, as demonstrated by qRT-PCR. Wnt-CM treatment restored and increased DP cell expression of genes downregulated by dihydrotestosterone treatment, as demonstrated by qRT-PCR assays. Our study reveals that BM-MSC-generated Wnt1a promotes the DP's ability to induce hair cycling and regeneration.
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