Suppression of TGF-β/Smad۳ signaling pathway by Capparis spinosa and quercetin in a rat model of nonalcoholic steatohepatitis
محل انتشار: مجله علوم پایه پزشکی ایران، دوره: 27، شماره: 9
سال انتشار: 1403
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 146
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شناسه ملی سند علمی:
JR_IJBMS-27-9_003
تاریخ نمایه سازی: 31 تیر 1403
چکیده مقاله:
Objective(s): Liver diseases, including non-alcoholic fatty liver disease (NAFLD) and non-alcoholic steatohepatitis (NASH), pose significant global public health challenges. This study investigates the therapeutic effects of quercetin (QC), Capparis spinosa (CS), a QC and CS combination, and Saroglitazar (SARO) on NASH in a Wistar rat model.Materials and Methods: NASH was induced by a ۴۲-day high-fat diet regimen in male Wistar rats. Post-induction, rats were divided into five groups receiving SARO, QC, CS, and CS+QC combination. We monitored changes in liver and body weights and evaluated the expression of genes associated with fatty acid biosynthesis (e.g., ACC and FAS), β-oxidation (e.g., CPT۱, PPAR α), inflammation (e.g., TNF-α and IL-۶), and fibrosis (e.g., TGF-β and COL۱A), as well as protein expression levels of p-Smad۲/۳ and p-Smad۳.Results: Treatment with QC+CS significantly decreased liver weight, body mass gain, and liver triglyceride (TG) compared to other treatments. The QC and CS combined therapy also resulted in a greater normalization of hepatic enzymatic activities, including decreases in ALT and AST levels, coupled with improvements in lipid profile indicated by decreased LDL-C and increased HDL-C concentrations, as compared to SARO and QC alone. Furthermore, this combined treatment significantly down-regulated the expression of TGF-β, TNF-α, IL-۶ genes, and Smad۲/۳ and Smad۳ protein levels. Conclusion: Our study demonstrates that an interactive effect between QC and CS can effectively reduce liver fibrosis and steatosis by inhibiting the TGF-β/Smad۳ signaling pathway in a diet-induced model of nonalcoholic steatohepatitis and fibrosis in rats.
کلیدواژه ها:
نویسندگان
Reza Afarin
Diabetes Research Center, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
Mahdi Hatami
Diabetes Research Center, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
Sajad Monjezi
Diabetes Research Center, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
Fatemeh Bineshfar
Student Research Committee, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
Akram Ahangarpour
Diabetes Research Center, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
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