Article ; Online: Shen-Shuai-II-Recipe inhibits tubular inflammation by PPARα-mediated fatty acid oxidation to attenuate fibroblast activation in fibrotic kidneys.
Phytomedicine : international journal of phytotherapy and phytopharmacology
2024 Volume 126, Page(s) 155450
Abstract: Background: Shen Shuai Ⅱ Recipe (SSR) is clinically used to treat chronic kidney diseases (CKDs ...
Abstract | Background: Shen Shuai Ⅱ Recipe (SSR) is clinically used to treat chronic kidney diseases (CKDs) with remarkable efficacy and safety. In earlier research, we found the anti-inflammatory, antioxidant, and mitochondrial protective properties of SSR in hypoxic kidney injury model, which is closely related to its renal protection. Further work is needed to understand the underlying molecular mechanisms. Purpose: Further investigation of the mechanisms of action of SSR against renal interstitial fibrosis (RIF) building on previous research leads. Methods: Rats receiving CKD model surgery were given with Fenofibrate or SSR once a day for eight weeks. In vitro, the NRK-52E cells were treated with SSR in the presence or absence of 10 μM Sc75741, 0.5 μM PMA, or 1 μM fenofibrate under 1% O Results: SSR attenuated the release of IL-18, VEGF, and MCP1 cytokines, inhibited the activation of NF-κB/NLRP3 cascade, increased the PPARα, CPT-1α, CPT-2, ACADL, and MCAD protein expression, and improved the lipid accumulation. Further studies have demonstrated that one of the ways in which SSR suppresses the inflammatory response to protect renal tubular cells is through the restoration of PPARα-mediated FAO. In addition, by means of co-culture ways, the results demonstrated that SSR attenuated secretion of inflammatory mediators in NRK-52E cells by PPARα/NF-κB/NLRP3 pathway, thereby inhibiting renal fibroblast activation. Conclusion: SSR inhibits RIF by suppressing inflammatory response of hypoxia-exposed RTECs through PPARα-mediated FAO. |
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MeSH term(s) | Rats ; Animals ; NLR Family, Pyrin Domain-Containing 3 Protein/metabolism ; PPAR alpha/metabolism ; NF-kappa B/metabolism ; Fenofibrate/metabolism ; Fenofibrate/pharmacology ; Kidney ; Renal Insufficiency, Chronic ; Inflammation/metabolism ; Cytokines/metabolism ; Fatty Acids/metabolism ; Fibrosis ; Fibroblasts/metabolism |
Chemical Substances | NLR Family, Pyrin Domain-Containing 3 Protein ; PPAR alpha ; NF-kappa B ; Fenofibrate (U202363UOS) ; Cytokines ; Fatty Acids |
Language | English |
Publishing date | 2024-02-12 |
Publishing country | Germany |
Document type | Journal Article |
ZDB-ID | 1205240-1 |
ISSN | 1618-095X ; 0944-7113 |
ISSN (online) | 1618-095X |
ISSN | 0944-7113 |
DOI | 10.1016/j.phymed.2024.155450 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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