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Iranian Journal of Basic Medical Sciences، جلد ۲۴، شماره ۸، صفحات ۱۰۲۳-۱۰۳۲
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عنوان انگلیسی Modulatory role of atorvastatin against high-fat diet and zymosan-induced activation of TLR2/NF-ƙB signaling pathway in C57BL/6 mice
چکیده انگلیسی مقاله Objective(s): Accumulated evidence provides a strong connection between the immune system and vascular inflammation. The innate immune system’s main sensors are toll-like receptors (TLRs). Zymosan (Zym), a fungal product, induces an inflammatory response via activating TLR2 of the immune system. Atorvastatin, a potent statin, possesses pleiotropic effects including immunomodulatory, lipid-lowering, and anti-inflammatory. Therefore, the current study aimed to evaluate the protective role of atorvastatin against a high-fat diet (HFD) and Zym-induced vascular inflammation in C57BL/6 mice via modulation of TLR2/NF-ƙB signaling pathway.Materials and Methods: In silico study was conducted to confirm the binding affinity of atorvastatin against TLR2. Under in vivo study, mice were divided into four groups: Normal control: normal standard chow-diet fed for 30 days + Zym vehicle (sterile PBS, 5 mg/ml on 8th day); HFD (30 days) + Zym (80 mg/kg, IP, on 8th day); HFD/Zym + atorvastatin vehicle (0.5% CMC, p.o., from 10th to 30th day); HFD/Zym + atorvastatin (3.6 mg/kg, p.o., from 10th to 30th day).Results: Atorvastatin treatment along with HFD and Zym inhibited vascular inflammation by suppressing the levels of aortic TLR2, cardiac NF-ƙB and decrease in serum TNF-α and IL-6. Further, there was an increase in hepatic LDLR levels, resulting in a decrease in serum LDL-C and an increase in HDL-C levels. Histopathological examination of the aorta showed a reduction in plaque accumulation with the atorvastatin-treated group as compared with HFD and Zym-treated group.Conclusion: Atorvastatin attenuates vascular inflammation mediated by HFD and Zym through suppression of TLR2, NF-ƙB, TNF-α, IL-6, and upregulation of LDLR levels.
کلیدواژه‌های انگلیسی مقاله Atorvastatin High, fat diet Inflammation Low, density lipoprotein, receptor Nuclear factor, kappa B Toll, like receptor Zymosan
نویسندگان مقاله | Priyanka Arya
Department of Pharmacology, School of Pharmaceutical Education & Research (SPER), Jamia Hamdard (UGC approved deemed to be University, Govt. of India), New Delhi- 110062, India


| Sayima Nabi
Department of Pharmacology, School of Pharmaceutical Education & Research (SPER), Jamia Hamdard (UGC approved deemed to be University, Govt. of India), New Delhi- 110062, India


| Uma Bhandari
Department of Pharmacology, School of Pharmaceutical Education & Research (SPER), Jamia Hamdard (UGC approved deemed to be University, Govt. of India), New Delhi- 110062, India
نشانی اینترنتی https://ijbms.mums.ac.ir/article_18465.html
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