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- Title
The role of mechano-regulated YAP/TAZ in erectile dysfunction.
- Authors
Ji, Mintao; Chen, Dongsheng; Shu, Yinyin; Dong, Shuai; Zhang, Zhisen; Zheng, Haimeng; Jin, Xiaoni; Zheng, Lijun; Liu, Yang; Zheng, Yifei; Zhang, Wensheng; Wang, Shiyou; Zhou, Guangming; Li, Bingyan; Ji, Baohua; Yang, Yong; Xu, Yongde; Chang, Lei
- Abstract
Phosphodiesterase type 5 inhibitors (PDE5is) constitute the primary therapeutic option for treating erectile dysfunction (ED). Nevertheless, a substantial proportion of patients, approximately 30%, do not respond to PDE5i treatment. Therefore, new treatment methods are needed. In this study, we identified a pathway that contributes to male erectile function. We show that mechano-regulated YAP/TAZ signaling in smooth muscle cells (SMCs) upregulates adrenomedullin transcription, which relaxed the SMCs to maintain erection. Using single-nucleus RNA sequencing, we investigated how penile erection stretches the SMCs, inducing YAP/TAZ activity. Subsequently, we demonstrate that YAP/TAZ plays a role in erectile function and penile rehabilitation, using genetic lesions and various animal models. This mechanism relies on direct transcriptional regulation of adrenomedullin by YAP/TAZ, which in turn modulates penile smooth muscle contraction. Importantly, conventional PDE5i, which targets NO-cGMP signaling, does not promote erectile function in YAP/TAZ-deficient ED model mice. In contrast, by activating the YAP/TAZ-adrenomedullin cascade, mechanostimulation improves erectile function in PDE5i nonrespondent ED model rats and mice. Furthermore, using clinical retrospective observational data, we found that mechanostimulation significantly promotes erectile function in patients irrespective of PDE5i use. Our studies lay the groundwork for exploring the mechano-YAP/TAZ-adrenomedullin axis as a potential target in the treatment of ED. Phosphodiesterase type 5 inhibitors (PDE5is) are used to treat erectile dysfunction, however, not all patients respond to PDE5i treatment. Here the authors report that YAP/TAZ activity contributes to erectile dysfunction and targeting YAP/TAZ improves erectile function in a PDE5i non-respondent rat model.
- Subjects
YAP signaling proteins; IMPOTENCE; SMOOTH muscle contraction; PHOSPHODIESTERASE inhibitors; PENILE erection
- Publication
Nature Communications, 2023, Vol 14, Issue 1, p1
- ISSN
2041-1723
- Publication type
Article
- DOI
10.1038/s41467-023-39009-z