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Published:
Apr 14, 2024Keywords:
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Main Article Content
A study on the mechanism of cordycepin in regulating autophagy and alleviating renal tubular interstitial fibrosis
Abstract
Purpose: To elucidate the role of cordycepin in modulating autophagy and mitigating renal tubular interstitial fibrosis in a rat model of unilateral ureteral obstruction (UUO).
Methods: Forty male Sprague-Dawley (SD) rats were assigned to four groups: control, sham, UUO and cordyceps-treated groups (10 rats per group). The UUO and cordyceps groups underwent surgery to induce unilateral ureteral obstruction. The cordyceps group received intravenous cordycepin (10 mg/kg) daily for 14 days, while the control and UUO groups received normal saline. Histopathological examination, assessment of fibrosis markers (α-SMA, collagen III) and autophagy markers (Atg5, LC3II/I) were conducted.
Results: The UUO group exhibited significant tubular damage and interstitial fibrosis, with elevated serum levels of pro-inflammatory and oxidative markers (p < 0.05). Cordycepin treatment attenuated these pathological changes, evidenced by reduced fibrosis, inflammation and oxidative stress. Enhanced autophagic activity was observed in the cordycepin group, suggesting a potential mechanism of its renoprotective effect.
Conclusion: Cordyceps is effective in inhibiting renal tubulointerstitial fibrosis, potentially through the activation of autophagy and reduction of inflammation and oxidative stress. Future studies should focus on unraveling the specific molecular mechanisms of cordycepin's action and assessing its applicability in CKD treatment.
