期刊
HELIYON
卷 7, 期 12, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.heliyon.2021.e08522
关键词
Chronic unpredictable stress; Interleukin-6; Pro-inflammatory cytokines; Cardiac dysfunction; Diacerein
资金
- University Grants Commission [F. 30-460/2019 (BSR)]
- Indian Council of Medical Research [3/1/2 (12)/CVD/NCD-II]
Chronic stress can elevate pro-inflammatory cytokines levels, increasing susceptibility to cardiovascular diseases; diacerein, with its ability to modulate IL-6, shows potential in addressing cardiovascular dysfunctions associated with chronic stress.
People with chronic stress have higher levels of pro-inflammatory cytokines, which enhance their susceptibility to cardiovascular diseases. Diacerein has ability to modulate pro-inflammatory cytokines such as IL-18 and IL-6; however, its efficacy in chronic stress associated cardiovascular diseases is not yet assessed. In this study, we standardized a rat model of chronic unpredictable stress (CUS) demonstrating cardiovascular dysfunctions and further assessed the effect of IL-6 modulator, diacerein, on cardiovascular functions in CUS exposed rats. The CUS procedure consisted of exposing male albino Wistar rats to random stressors, everyday for 8 weeks. The binding affinity of diacerein with IL-6 was ascertained using Docking tools viz AutoDock and SwissDock. Moreover, diacerein was administered (50 mg/kg/day x 20 days P.O) post CUS exposure to rats and the serum IL-6 levels and heart functions of CUS rats were determined by ELISA and ECG-HRV analysis, respectively. 8 weeks of CUS exposure resulted in two-fold increase in serum corticosterone and IL-6 levels in rats. The ECG and HRV analysis of CUS rats showed altered sinus rhythm, elevated heart rate, systolic blood pressure and sympathetic tone. Molecular docking studies revealed diacerein high binding affinity towards IL-6 receptor. The post-treatment of diacerein in CUS rats prevented these cardiovascular dysfunctions. Our findings thus suggests that IL-6 may have a prominent role in chronic stress induced cardiovascular dysfunctions and diacerein, could be used as a preventive measure for such conditions.
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