Effects of CDDO-EA in Sepsis-Induced Acute Lung Injury: Mouse Model of Endotoxaemia
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Department of Pharmacology and Therapeutic, Faculty of Medicine, University of Kufa, Iraq
Submission date: 2023-05-04
Final revision date: 2024-01-02
Acceptance date: 2024-02-08
Publication date: 2024-07-06
Corresponding author
Najah Rayish Hadi   

Department of Pharmacology and Therapeutic, Faculty of Medicine, University of Kufa, Iraq
Wiadomości Lekarskie 2024;(3)
Aims: to clarify the potential effect of CDDO-EA against experimentally sepsis induced lung injury in mice.

Material and methods:
Mice have divided into four groups: Sham group CLP group, Vehicle-treatment group, CDDO-EA-treated group: mice in this group received CDDO-EA 2mg/kg intraperitoneally, 1hr before clp, then the animals were sacrificed 24hr after CLP. After exsanguinations, tissue samples of lung were collected, followed by markers measurement including, TNF-α, IL-1β, VEGF, MPO, caspase11, Angp-1and Angp-2 by ELISA, gene expression of TIE2 and VE-cadherin by qRT-PCR, in addition to histopathological study.

a significant elevation (p<0.05) in TNF-α, IL-1β, MPO, ANGP-2, VEGF, CASPASE 11 in clp and vehicle groups when compared with sham group. CDDO-EA group showed significantly lower levels p<0.05, level of ANGP-1 was significantly lower p<0.05 in the CLP and vehicle groups as compared with the sham group. Quantitative real-time PCR demonstrated a significant decrement in mRNA expression of TIE2&ve-cadherin genes p<0.05 in sepsis & vehicle.

CDDO-EA has lung protective effects due to its anti-inflammatory and antiangiogenic activity, additionally, CDDO-EA showes a lung protective effect as they affect tissue mRNA expression of TIE2 and cadherin gene. Furthermore, CDDO-EA attenuate the histopathological changes that occur during polymicrobial sepsis thereby lung protection effect.

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