Cardioprotective Potential of Celastrol in Sepsis-Induced Cardiotoxicity; Mouse Model of Endotoxemia مقالة

مؤلف: Ghafil، F.A ؛ Aziz، N.D ؛ Salim، M.M ؛ Majeed، S.A ؛ Rasheed، S.M.H ؛ Mardan، H.W ؛

كاتب مسؤول: Hassan، E.S ؛

طب جانباز Fall 2023,Volume 15 - Number 4 ISC (‎7 صفحة - من 361 إلی 367 )

الکلمات المفتاحية: Sepsis Troponin Celastrol TLR-4

خلاصة:

Aims The study aimed to assess the cardioprotective potential of celastrol against cardiac injury induced by sepsis via amelioration of IL6, TNF, TLR4, IL10, F2-isoprostane, cardiac troponin, and CK-MB, as well as at histological level. Materials & Methods Twenty-four Swiss albino mice aged between 6 and 8 weeks, weighted between 20 and 30g, were included and were randomly divided into four groups; Sham, Sepsis (laparotomy with CLP), Vehicle (treated with the equivalent volume of DMSO), and celastrol (treated with 2mg/kg IP 1hr before CLP) groups. By spectrophotometric assay, blood samples were then aspirated for cardiac troponin and CK-MB assessment. Part of the cardiac tissue was used to assess the levels of TNFα, IL6, IL10, F2-Isoprostane, and TLR4 by ELISA method; another part was used to assess the degree of cardiac tissue damage by histopathological analysis. Findings Significant cardiac damage was noticed in the sepsis group (p≤0.05) as compared with the sham group, manifested by a significant elevation in inflammatory markers (TNFα, IL6, TLR4) and oxidative stress marker (F2-Isoprostane) as well as cardiac troponin and CKMB, with a significant reduction in IL10. Pretreatment with celastrol resulted in a significant reduction in TNF, IL6, TLR4, F2-Isoprostane, troponin, and CK-MB with significant elevation in IL10 compared to the sepsis group. In the same manner, significant histological damage was encountered in the sepsis group compared to the sham group, while the celastrol-treated group exhibited minor histological damage compared to the sepsis group. Conclusion Celastrol has cardio-protective effects against cardiac injury induced by endotoxemia.

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