1. Gross saponin of Tribulus terrestris improves erectile dysfunction in type 2 diabetic rats by repairing the endothelial function of the penile corpus cavernosum
- Author
-
Zhang H, Tong WT, Zhang CR, Li JL, Meng H, Yang HG, and Chen M
- Subjects
Erectile Function ,Type 2 Diabetes Mellitus ,Endothelial Cells ,Endothelial Nitric Oxide Synthase ,Nitric Oxide ,Specialties of internal medicine ,RC581-951 - Abstract
Hui Zhang,1 Wen-Ting Tong,2 Chang-Rong Zhang,1 Jun-Long Li,1 Hao Meng,3 Hai-Gan Yang,3 Min Chen31The First Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, People’s Republic of China; 2Department of Pharmacy, The First Affiliated Hospital of Gannan Medical College, Ganzhou, Jiangxi, People’s Republic of China; 3Department of Andrology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, People’s Republic of ChinaCorrespondence: Min ChenDepartment of Andrology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, No. 12 Ji-chang Road, Guangzhou 51000, Guangdong, People’s Republic of ChinaTel +86 203 659 1359Fax +86 203 659 1127Email wiiiiiki@gmail.comObjective: To investigate the effect of gross saponins of Tribulus terrestris (GSTT) on erectile function in rats resulting from type 2 diabetes mellitus (T2DMED).Methods: The T2DMED model was constructed by high-fat and high-sugar feeding and streptozotocin injection. After 4 weeks of GSTT intervention. Intracavernous pressure (ICP) and mean arterial pressure (MAP) were measured in each group. The level of nitric oxide (NO) in the cavernous tissue was detected using the nitrate reductase method. The production of reactive oxygen species (ROS) was detected using DHE fluorescent probe detection. Cyclic adenosinemonophosphate (cGMP) level was detected by enzyme-linked immunosorbent assay, and endothelial nitricoxide synthase (eNOS) was detected using immunohistochemistry. Masson staining was used to detect the cavernosal smooth muscle/collagen ratio. Apoptosis in endothelial cells was measured using TUNEL. Western blotting method to detect the protein expression level of eNOS, TIMP-1, cleaved caspase 3, and cleaved caspase 9.Results: After treatment, the ICP and ICP/MAP values of the GSTT were significantly higher than those of the T2DMED group (P0.05), and the mixed group had higher levels than these two groups (P
- Published
- 2019