Erectile dysfunction (ED) is a prevalent complication associated with diabetes mellitus (DM), yet pharmacological treatments for diabetes-related erectile dysfunction (DMED) continue to be inadequate in clinical settings. Our previous studies have indicated that there is a close correlation between ED and pyroptosis, but the specific mechanism remains unclear. In this study, we sought to explore the therapeutic effects of DMED through the modulation of NLRP3, aiming to elucidate its potential molecular mechanisms. The DMED rat model was established via intraperitoneal injection of streptozotocin. The rats were randomly assigned to the control group, the DMED group, the Yimusake group, the MCC950 (NLRP3 inhibitor) group, and the MCC950+Yimusake group. Erectile function of rats was observed by measuring intracavernosal pressure (ICP) and mean arterial pressure (MAP). HE staining was performed to observe the histopathological changes in penile; immunofluorescence was performed to measure the level of CD31 (Platelet endothelial cell adhesion molecule-1) in penile. Besides, immunohistochemistry, RT-qPCR and Western blot were performed to demonstrate the expression of NLRP3, caspase-1, IL-1β and eNOS. After treatment with the MCC950 and Yimusake, the number of blood sinusoids and small vessels significantly reduced in penile tissue; NLRP3, caspase-1, IL-1β proteins and mRNA expression decreased, eNOS protein and mRNA expression increased. Compare with the Y group and the MCC950 group, MCC950+Yimusake group had a more significant effect. MCC950 and Yimusake might potentially suppress pyroptosis in the penile tissue of DMED rats by modulating the NLRP3/caspase-1 pathway, thus enhancing erectile function. This discovery could offer a promising therapeutic approach for individuals with DMED.

2020-02-01·Zhonghua nan ke xue = National journal of andrology

[Regulatory effect of the lipid metabolic pathways of TMAO, FMO3 and FXR on compound stress-induced ED in rats and mechanisms of Yimusake intervention].

Article

作者: Liu, Wen-Juan ; Yuan, Qian-Ru ; Aizizi, Reheman ; Siyiti, Amuti ; Adlijiang, Yiming ; Tian, Yan-Nan ; Liu, Feng-Xia

OBJECTIVETo study of the regulatory effects of the lipid metabolic pathways of trimethylamine-N-oxide (TMAO), flavin-containingmonooxidase 3 (FMO3) and farnesoid X receptor (FXR) on compound stress-induced ED (CSED) rats and the mechanisms of Yimusake Tablets (YMSK) intervention.METHODSBased on the results of metabonomics analysis, we determined the concentration of TMAO in the serum of the rats in the normal control (n = 30), the CSED model control (n = 30) and the YMSK intervention group (intragastrical administration of YMSK at 250 mg/kg once daily for 2－3 weeks after modeling, n = 30) by nuclear magnetic resonance (NMR) spectroscopy test. We also detected the expressions of the FMO3, FXR1 and FXR2 proteins in the liver tissue of the three groups of rats by Western blot.RESULTSThe serum TMAO level was significantly elevated in the CSED model control compared with that in the normal control group (［46.64 ± 5.16］ vs ［34.98 ± 3.69］ μg/mL, P < 0.01) but remarkably decreased after YMSK intervention (［39.63 ± 4.81］ μg/mL) in comparison with that in the CSED model control group (P < 0.01). The rats in the CSED model control group, compared with the normal controls, showed significantly upregulated expressions of FMO3 (1.75 ± 0.90 vs 0.86 ± 0.62, P < 0.01),FXR1 (1.29 ± 0.38 vs 0.78 ± 0.25, P < 0.01) and FXR2 in the liver tissue (1.90 ± 0.63 vs 0.42 ± 0.27, P < 0.01), but all the three expressions were markedly decreased after YMSK intervention (FMO3: 1.05 ± 0.38, P < 0.05; FXR1: 1.07 ± 0.42, P < 0.05; FXR2: 1.04 ± 0.46, P < 0.01) as compared with those in the CSED model control group.CONCLUSIONSThe lipid metabolic pathways of TMAO, FMO3 and FXR underwent significant changes in the rat model of compound stress-induced ED, which could be improved by YMSK intervention, suggesting that YMSK may play an important role in protecting erectile function by regulating the lipid metabolic pathways of TMAO, FMO3 and FXR.

2019-12-01·Zhonghua nan ke xue = National journal of andrology

[Differentially expressed proteins in the penile tissue of rats with compound stress-induced ED after intervention with Yimusake Tablets: A bioinformatics analysis].

Article

作者: Xieraili, Maimaiti ; Adilijiang, Yiming ; Siyiti, Amuti ; Liu, Wen-Juan ; Ma, Wen-Jing ; Zhang, Pan-Pan ; Maowulan, Maimaitiyiming

OBJECTIVETo search for specific protein makers and target proteins for intervention with Yimusake Tablets (YT) in the penile tissue of rats with ED induced by compound cold stress and explore the molecular mechanisms underlying the development and progression of ED.METHODSEighty adult male rats were screened and divided into three groups, normal control (n = 10), ED model control (n = 15) and YT intervention (n = 15). The model of compound cold stress-induced ED was established in the latter two groups, and meanwhile the animals in the YT intervention group were treated with oral YT for 2 weeks. After that, proteins were extracted from the penile tissues of the rats for screening and identification by iTRAQ labeling combined with LC-MS-MS proteomics, and the IPA bioinformatics software was used for analysis of differentially expressed proteins.RESULTSA total of 48 differentially expressed proteins were identified from the penile tissue of the ED model controls, of which 18 were associated with endothelial function, 5 with smooth muscle activity and 4 with inflammation, involving the biological processes of glucose metabolism and alcohol catabolism and the signaling pathways of glucose metabolism, calcium and RXR activation. In comparison, 29 differentially expressed proteins were identified from the rats in the YT intervention group, of which 5 were associated with endothelial function, 1 with smooth muscle activity and 4 with inflammation, involving the biological processes of glucose metabolism, vasodilation and acute-phase response and the signaling pathways glucose metabolism, RXR activation and acute-phase response. Seven ED-associated candidate biomarkers were obtained from the differentially expressed proteins in the ED model control and YT intervention group, including Collagen alpha-1(III) chain（COL3α1）, Collagen alpha-1(I) chain（COL1α1）, Collagen alpha-2(I) chain（COL1α2）, Glyceraldehyde-3-phosphate dehydrogenase（GAPDH）, T-kininogen 1（MAP1）,Biglycan（BGN）, and Myosin-11（MYH11）.CONCLUSIONSChanges of vascular endothelial and smooth muscle functions in the penile tissue are likely to be the key mechanisms underlying the development and progression of compound stress-induced ED, which is also associated with inflammation as well as the interaction of the identified differentially expressed proteins and their participation in the relevant signaling pathways. The 7 proteins obtained can be used as the markers of compound stress-induced ED in the rat penile tissue, of which MAP1, GAPDH, BGN and MYH11 may serve as target proteins for YT intervention.

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适应症	国家/地区	公司	日期
神经衰弱	中国	新疆维吾尔自治区维吾尔医医院	1999-01-01
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