Exosomes derived from hucMSC attenuate renal fibrosis through CK1δ/β-TRCP-mediated YAP degradation

被引：81

作者：

Ji, Cheng ^{[1
]}

Zhang, Jiahui ^{[1
]}

Zhu, Yuan ^{[2
]}

Shi, Hui ^{[1
]}

Yin, Siqi ^{[1
]}

Sun, Fengtian ^{[1
]}

Wang, Qiongni ^{[1
]}

Zhang, Leilei ^{[1
]}

Yan, Yongmin ^{[1
]}

Zhang, Xu ^{[1
]}

Xu, Wenrong ^{[1
]}

Qian, Hui ^{[1
]}

机构：

[1] Jiangsu Univ, Zhenjiang Key Lab High Technol Res Exosomes Fdn &, Sch Med, Jiangsu Key Lab Med Sci & Lab Med, Zhenjiang 212013, Jiangsu, Peoples R China

[2] Jiangsu Univ, Dept Clin Lab Med, Affiliated Peoples Hosp, Zhenjiang 212002, Jiangsu, Peoples R China

来源：

CELL DEATH & DISEASE | 2020年 / 11卷 / 05期

基金：

中国国家自然科学基金;

关键词：

MESENCHYMAL STEM-CELLS; ORGAN SIZE CONTROL; HIPPO PATHWAY; STROMAL CELLS; KIDNEY INJURY; TGF-BETA; REGENERATION; MODULATION; MECHANISMS; VESICLE;

D O I：

10.1038/s41419-020-2510-4

中图分类号：

Q2 [细胞生物学];

学科分类号：

071009 ; 090102 ;

摘要：

Exosomes from human umbilical cord mesenchymal stem cells (hucMSC-Ex) have been suggested as novel nanomaterials for regenerative medicine. Here we explored the roles of hucMSC-Ex through regulating Yes-associated protein (YAP) in renal injury repair by using rat unilateral ureteral obstruction (UUO) models. Our study identified mechanical stress induced YAP nucleus expression and stimulated collagen deposition and interstitial fibrosis in the kidney. Then, infusion with hucMSC-Ex promoted YAP nuclear cytoplasmic shuttling and ameliorated renal fibrosis in UUO model. Interestingly, hucMSC-Ex delivered casein kinase 1 delta (CK1 delta) and E3 ubiquitin ligase beta -TRCP to boost YAP ubiquitination and degradation. Knockdown of CK1 delta and beta -TRCP in hucMSC decreased the repairing effects of hucMSC-Ex on renal fibrosis. Our results suggest that hucMSC-Ex attenuates renal fibrosis through CK1 delta/beta -TRCP inhibited YAP activity, unveiling a new mechanism for the therapeutic effects of hucMSC-Ex on tissue injury and offering a potential approach for renal fibrosis treatment.

引用

页数：10

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