IJMS, Vol. 25, Pages 12096: Renoprotective Effects of Brown-Strain Flammulina velutipes Singer in Chronic Kidney Disease-Induced Mice Through Modulation of Oxidative Stress and Inflammation and Regulation of Renal Transporters

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IJMS, Vol. 25, Pages 12096: Renoprotective Effects of Brown-Strain Flammulina velutipes Singer in Chronic Kidney Disease-Induced Mice Through Modulation of Oxidative Stress and Inflammation and Regulation of Renal Transporters

International Journal of Molecular Sciences doi: 10.3390/ijms252212096

Authors: Min-Min Lee Yun-Xuan Chou Sheng-Hsiung Huang Hsu-Tang Cheng Chung-Hsiang Liu Guan-Jhong Huang

Cisplatin, widely used in chemotherapy, acts through mechanisms such as oxidative stress to damage the DNA and cause the apoptosis of cancer cells. Although effective, cisplatin treatment is associated with considerable side effects including chronic kidney disease (CKD). Studies on brown-strain Flammulina velutipes Singer (FVB) have shown its significant antioxidant and immunomodulatory effects. High-performance liquid chromatography (HPLC) confirmed that the FVB extract contained gallic acid and quercetin. This study investigated whether FVB extract can improve and protect against cisplatin-induced CKD in mice. C57BL/6 mice were used as an animal model, and CKD was induced through intraperitoneal cisplatin injection. FVB was orally administered to the mice for 14 consecutive days. N-acetylcysteine (NAC) was administered in the positive control group. Organ pathology and serum biochemical analyses were conducted after the mice were sacrificed. Significant dose-dependent differences were discovered in body mass, kidney mass, histopathology, renal function, inflammatory factors, and antioxidant functions among the different groups. FVB extract reduced the severity of cisplatin-induced CKD in pathways related to inflammation, autophagy, apoptosis, fibrosis, oxidative stress, and organic ion transport proteins; FVB extract, thus, displays protective physiological activity in kidney cells. Additionally, orally administered high doses of the FVB extract resulted in significantly superior renal function, inflammatory factors, antioxidative activity, and fibrotic pathways. This study establishes a strategy for future clinical adjunctive therapy using edible-mushroom-derived FVB extract to protect kidney function.

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