Morroniside regulates hair growth and cycle transition via activation of the Wnt/β-catenin signaling pathway.

Morroniside regulates hair growth and cycle transition via activation of the Wnt/β-catenin signaling pathway.
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Morroniside 通过激活 Wnt/β-连环蛋白信号通路来调节头发生长和周期转换。

DOI:
10.1038/s41598-018-32138-2
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发表时间:
2018-09-13
期刊:
影响因子:
4.6
通讯作者:
Lu Z
Lu Z
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Zhou L;Wang H;Jing J;Yu L;Wu X;Lu Z

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脱发的特征是毛发生长期缩短和毛囊(HF)小型化。莫诺苷是山茱萸中含量最高的环烯醚萜苷类化合物,具有多种细胞功能和组织再生活性。本研究旨在探讨莫诺苷对毛发生长和HF循环转换的影响及其机制。莫诺苷处理显着提高外根鞘细胞(ORSC)的增殖和迁移在体外。此外,莫诺苷上调Wnt 10 b,β-catenin和lef 1。通过Wnt/β-catenin信号传导抑制剂DKK 1部分挽救了由莫诺苷处理引起的增强的ORSC增殖和迁移。此外,在毛发诱导的小鼠模型中,莫诺苷注射液加速了生长期的开始,并延迟了HF的退行期,如组织学检查所示。免疫组织化学分析显示,在HFs中Wnt/β-catenin信号通路表达上调。这些发现表明莫诺苷部分通过Wnt/β-catenin信号通路调节HF的生长和发育,可能是治疗脱发的潜在药物。
Hair loss is characterized by a shortened hair anagen phase and hair follicles (HF) miniaturization. Morroniside is the most abundant iridoid glycoside extracted from Cornus officinalis and has various bioactivities in different cell functions and tissue regeneration. In this study, we investigated the effects and the underlying mechanism of morroniside on hair growth and regulation of HF cycle transition. Morroniside treatment significantly enhanced outer root sheath cell (ORSC) proliferation and migration in vitro. Additionally, morroniside upregulated Wnt10b, β-catenin and lef1. The enhanced ORSC proliferation and migration due to morroniside treatment were partly rescued by a Wnt/β-catenin signaling inhibitor, DKK1. Furthermore, in a hair-induced mouse model, morroniside injection accelerated the onset of anagen and delayed HF catagen, as shown by histological examination. Immunohistochemical analyses revealed that Wnt/β-catenin signaling pathway expression was upregulated in the HFs. These findings suggest that morroniside regulates HF growth and development partly through the Wnt/β-catenin signaling pathway and may be a potential treatment for hair loss.
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