Linoleyl acetate and mandenol alleviate HUA‐induced ED via NLRP3 inflammasome and JAK2/STAT3 signalling conduction in rats

Author:

Ge Pingyu12,Xie Hong1,Guo Yinxue3,Jin Hang1,Chen Lan1,Chen Zhichao1,Liu Yan4ORCID

Affiliation:

1. First Clinical College of Guizhou University of Traditional Chinese Medicine Guizhou Province China

2. Department of Urology Surgery First Affiliated Hospital of Guizhou University of Traditional Chinese Medicine Guizhou Province China

3. Department of Nephrology The First Affiliated Hospital of Guizhou University of Traditional Chinese Medicine Guizhou Province China

4. Department of Cardiology Qilu Hospital of Shandong University Shandong Province China

Abstract

AbstractHyperuricemia (HUA) is characterized by elevated blood uric acid levels, which can increase the risk of erectile dysfunction (ED). Clinical studies have demonstrated satisfactory efficacy of a traditional Chinese medicine formula QYHT decoction in improving ED. Furthermore, the main monomeric components of this formula, linoleyl acetate and mandenol, demonstrate promise in the treatment of ED. This study established an ED rat model induced by HUA and the animals were administered with linoleyl acetate and mandenol. HE and TUNEL were performed to detect tissue changes, ELISA to measure the levels of serum testosterone (T), MDA, NO, CRP, and TNF‐α and qPCR and WB to assess the expression levels of NLRP3, ASC, Caspase‐1, JAK2, and STAT3 in whole blood. The findings showed that linoleyl acetate and mandenol improved kidney tissue morphology, reduced cell apoptosis in penile tissue, significantly increased T and NO levels, while substantially decreasing levels of MDA, CRP, and TNF‐α. Meanwhile, the expression of NLRP3, ASC, and Caspase‐1 mRNAs and proteins was markedly reduced, and the phosphorylation of JAK2 and STAT3 was inhibited. These findings were further validated through faecal microbiota transplantation results. Taken together, linoleyl acetate and mandenol could inhibit NLRP3 inflammasome activation, reduce inflammatory and oxidative stress responses, suppress the activity of JAK–STAT signalling pathway, ultimately providing a potential treatment for HUA‐induced ED.

Publisher

Wiley

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