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Published:
Nov 26, 2020Keywords:
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Main Article Content
The mushroom, Cordyceps cicadae, ameliorates renal interstitial fibrosis via TLR2-mediated pathways
Abstract
Purpose: To evaluate the mushroom, Cordyceps cicadae, for its ability to suppress tissue fibrosis and Toll-like receptors 2 (TLR 2) pathway activation in a mouse model of renal interstitial fibrosis (RIF).
Methods: Cordyceps cicadae powder was obtained from BioAsia Group (Shanghai, China). RIF was induced via unilateral ureteral obstruction (UUO) in male C57Bl/6 mice. Animals were treated via the intragastric administration of Cordyceps cicadae powder (0.1g, 0.3 g/ml/100 g/day), beginning 24 h prior to UUO, and the treatment was continued for the following 14 days. Changes in tissue histology were then assessed via hematoxylin and eosin, and Sirius red stainings. Tissue macrophages were characterized based upon their expression of inducible nitric oxide synthase (iNOS) and interleukin-10 (IL-10), while Western blotting technique was used to measure the levels of TLR2, Myeloid differentiation factor 88 (MyD88), and nuclear factor-κB (NF-κB)/p-NF-κB in samples from these animals.
Results: Treatment with Cordyceps cicadae powder is associated with a shift in macrophage phenotype that in turn decreased the production of extracellular matrix and alleviated RIF occurrence in mice model.
Conclusion: This mechanistic study highlights the novel potential approach for treating and preventing RIF using Cordyceps cicadae powder.
Keywords: Renal interstitial fibrosis, TLR2-mediated pathway, Cordyceps cicadae
