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Β -Sitosterol Alters the Inflammatory Response in Clp Rat Model of Sepsis by Modulation of Nf Κ B Signaling Publisher Pubmed



Kasirzadeh S1, 2 ; Ghahremani MH1 ; Setayesh N3 ; Jeivad F1 ; Shadboorestan A4 ; Taheri A5 ; Behpajooh A1 ; Azadkhah Shalmani A1 ; Ebadollahinatanzi A6 ; Khan A7 ; Sabzevari S1, 2 ; Sabzevari O1, 2
Authors
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Authors Affiliations
  1. 1. Department of Toxicology and Pharmacology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Toxicology and Poisoning Research Centre, Tehran University of Medical Sciences, Tehran, Iran
  3. 3. Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Biotechnology Research Center, Tehran University of Medical Sciences, Tehran, Iran
  4. 4. Department of Toxicology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
  5. 5. Biopharmaceutics and Pharmacokinetics Division, Department of Pharmaceutics, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
  6. 6. Medicinal Plants Department, Imam Khomeini Higher Education Center, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran
  7. 7. Australian Proteome Analysis Facility (APAF), Macquarie University, Research Park Drive, Sydney, 2109, NSW, Australia

Source: BioMed Research International Published:2021


Abstract

Purpose. Sepsis originates from the host inflammatory response, especially to bacterial infections, and is considered one of the main causes of death in intensive care units. Various agents have been developed to inhibit mediators of the inflammatory response; one prospective agent is β-sitosterol (βS), a phytosterol with a structure similar to cholesterol. This study is aimed at evaluating the effects of βS on the biomarkers of inflammation and liver function in cecal ligation and puncture- (CLP-) induced septic rats. Methods. Thirty male Wistar rats were divided equally into six groups as follows: sham, CLP, CLP+dexamethasone (DX, 0.2 mg/kg), CLP+βS (1 mg/kg), CLP+imipenem (IMI, 20 mg/kg), and CLP+IMI (20 mg/kg)+βS (1 mg/kg). Serum levels of IL-1β, IL-6, IL-10, AST, ALT, and liver glutathione (GSH) were assessed by ELISA. Liver expression levels of TNF-α and NF-κBi mRNAs were evaluated by RT-qPCR. Results. Serum concentrations of IL-1β, IL-6, IL-10, ALT, and AST and mRNA levels of TNF-α and NF-κBi were all significantly higher in septic rats than in normal rats (p<0.05). Liver GSH content was markedly lower in the CLP group than that in the sham group. βS-treated rats had remarkably lower levels of IL-1β, IL-6, IL-10, TNF-α, NF-κBi, AST, and ALT (51.79%, 62.63%, 41.46%, 54.35%, 94.37%, 95.30%, 34.87%, and 46.53% lower, respectively) and greater liver GSH content (35.71% greater) compared to the CLP group (p<0.05). Conclusion. βS may play a protective role in the septic process by mitigating inflammation. This effect is at least partly mediated by inhibition of the NF-κB signaling pathway. Thus, βS can be considered as a supplementary treatment in septic patients. © 2021 Sara Kasirzadeh et al.
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