Inhibition of Hippo Signaling Improves Skin Lesions in a Rosacea-Like Mouse Model.

Inhibition of Hippo Signaling Improves Skin Lesions in a Rosacea-Like Mouse Model.
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抑制Hippo信号传导改善了Rosacea样小鼠模型中的皮肤病变。

DOI:
10.3390/ijms22020931
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发表时间:
2021-01-19
影响因子:
5.6
通讯作者:
Kim M
Kim M
中科院分区:
生物学2区
文献类型:
--
作者:
Lee J;Jung Y;Jeong SW;Jeong GH;Moon GT;Kim M

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Hippo 信号通路在调节器官大小和组织稳态中发挥着关键作用。 Hippo 及其两个主要效应子 yes 相关蛋白 (YAP) 和 WWTR1(包含 WW 结构域的转录调节因子 1,通常列为 TAZ)在血管生成中发挥着关键作用。本研究调查了 Hippo 信号通路在红斑痤疮发病机制中的作用。我们进行了免疫组织化学分析来比较人类红斑痤疮皮肤和正常皮肤之间 YAP 和 TAZ 的表达水平。此外,我们使用 LL-37 注射诱导的酒渣鼻样 BALB/c 小鼠模型来确定 YAP 和 TAZ 在体内酒渣鼻中的作用。我们发现红斑痤疮患者中 YAP 和 TAZ 的表达水平上调。在酒渣鼻样小鼠模型中,我们观察到注射 YAP/TAZ 抑制剂后,酒渣鼻的临床特征(包括毛细血管扩张和红斑)得到改善。此外,在红斑痤疮样小鼠模型中,使用 YAP/TAZ 抑制剂治疗可降低 YAP 和 TAZ 的表达水平,并降低血管内皮生长因子 (VEGF) 的免疫反应性。我们的研究结果表明,YAP/TAZ 抑制剂可以减弱与红斑痤疮发病机制相关的血管生成,并且 YAP 和 TAZ 都是红斑痤疮患者的潜在治疗靶点。
The Hippo signaling pathway plays a key role in regulating organ size and tissue homeostasis. Hippo and two of its main effectors, yes-associated protein (YAP) and WWTR1 (WW domain-containing transcription regulator 1, commonly listed as TAZ), play critical roles in angiogenesis. This study investigated the role of the Hippo signaling pathway in the pathogenesis of rosacea. We performed immunohistochemical analyses to compare the expression levels of YAP and TAZ between rosacea skin and normal skin in humans. Furthermore, we used a rosacea-like BALB/c mouse model induced by LL-37 injections to determine the roles of YAP and TAZ in rosacea in vivo. We found that the expression levels of YAP and TAZ were upregulated in patients with rosacea. In the rosacea-like mouse model, we observed that the clinical features of rosacea, including telangiectasia and erythema, improved after the injection of a YAP/TAZ inhibitor. Additionally, treatment with a YAP/TAZ inhibitor reduced the expression levels of YAP and TAZ and diminished vascular endothelial growth factor (VEGF) immunoreactivity in the rosacea-like mouse model. Our findings suggest that YAP/TAZ inhibitors can attenuate angiogenesis associated with the pathogenesis of rosacea and that both YAP and TAZ are potential therapeutic targets for patients with rosacea.
维替泊芬通过 Hippo 信号通路抑制 YAP 诱导的膀胱癌细胞生长和侵袭
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