期刊
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
卷 21, 期 21, 页码 -出版社
MDPI
DOI: 10.3390/ijms21218184
关键词
kidney fibrosis; inflammation; myofibroblast activation; extracellular matrix; Hippo pathway; verteporfin
资金
- National Research Foundation of Korea (NRF) - Korean government [NRF-2018R1D1A1B07045790, NRF-2017R1D1A3B03035494]
- Fund of Biomedical Research Institute, Jeonbuk National University Hospital [CUH2020-0014]
Yes-associated protein (YAP) activation after acute ischemic kidney injury might be related to interstitial fibrosis and impaired renal tubular regeneration. Verteporfin (VP) is a photosensitizer used in photodynamic therapy to treat age-related macular degeneration. In cancer cells, VP inhibits TEA domain family member (TEAD)-YAP interactions without light stimulation. The protective role of VP in unilateral ureteral obstruction (UUO)-induced renal fibrosis and related mechanisms remains unclear. In this study, we investigate the protective effects of VP on UUO-induced renal tubulointerstitial inflammation and fibrosis and its regulation of the transforming growth factor-beta 1 (TGF-beta 1)/Smad signaling pathway. We find that VP decreased the UUO-induced increase in tubular injury, inflammation, and extracellular matrix deposition in mice. VP also decreased myofibroblast activation and proliferation in UUO kidneys and NRK-49F cells by modulating Smad2 and Smad3 phosphorylation. Therefore, YAP inhibition might have beneficial effects on UUO-induced tubulointerstitial inflammation and fibrosis by regulating the TGF-beta 1/Smad signaling pathway.
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