system
Medical AI Inquiry: You was designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.  Labels: OBJECTIVE, METHODS, RESULTS. Meshes: Administration, Oral, Animals, Disease Models, Animal, Dose-Response Relationship, Drug, Male, Rats, Rats, Sprague-Dawley, Saponins, Triterpenes, Up-Regulation, Ureteral Obstruction, Wnt Signaling Pathway.
user
Does astragaloside IV inhibit the up-regulation of Wnt/β-catenin signaling in rats with unilateral ureteral obstruction? Context: To investigate the effect of Astragaloside IV (AS-IV) on the regulation of the Wnt/β-catenin signaling pathway in rats with unilateral ureteral obstruction (UUO). Rat renal interstitial fibrosis models were prepared using unilateral ureteral ligation. Rats were randomly divided into sham group, sham group with AS-IV (33mg/kg), unilateral ureteral obstruction group, and unilateral ureteral obstruction group receiving varied doses of AS-IV (3.3, 10, and 33 mg/kg). Immunohistochemical analysis, real-time fluorescence quantitative PCR (FQ-PCR), and western blot were used to detect the expression of genes and proteins associated with the Wnt/β-catenin signaling pathway in renal tissues. Levels of Wnt3, Wnt4, and Frizzled gene expression increased significantly in the UUO model; AS-IV was associated with the downregulation of the expression of Wnt3, Wnt4, Frizzled4, p-LRP5, p-LRP6, disheveled, β-catenin, LEF-1, TCF-1, Snail, Jagged 1, Twist, MMP2, and MMP7 proteins in a concentration-dependent manner, while the expression of APC, CK1, and E-cadherin was increased.
assistant
AS-IV effectively inhibits the up-regulation of proteins in the Wnt/β-catenin signaling pathway in UUO-model rats, indicating its possible inhibitory effects on renal interstitial fibrosis. Final Decision: yes