CARDIOLOGY / EXPERIMENTAL RESEARCH
Protective effect of casticin in myocardial ischemia/reperfusion injury in rats via attenuation of oxidative stress and inflammation
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1
Department of Cardiology, China-Japan Union Hospital of Jilin University, Changchun,
China
2
Department of Nephrology, China-Japan Union Hospital of Jilin University, Changchun,
China
3
Department of Geriatric Medicine, China-Japan Union Hospital of Jilin University,
Changchun, China
Submission date: 2020-07-06
Final revision date: 2020-09-03
Acceptance date: 2020-09-17
Online publication date: 2021-05-09
Publication date: 2026-08-28
Corresponding author
Min Liu
Department of Geriatric Medicine
China-Japan Union Hospital of Jilin University
130033, Changchun, China
Arch Med Sci 2026;22(4):2425-2433
KEYWORDS
TOPICS
ABSTRACT
Introduction:
Myocardial ischemic/reperfusion injury is the main prognostic factor after myocardial infarction. However, by the time reperfusion is
achieved, the cardiac tissues have already undergone necrosis and initiated inflammation and oxidative stress. Therefore, the present study aimed
to evaluate the beneficial effect of casticin (CST) on myocardial ischemia/
reperfusion (MI/R) injury and to explore its mechanism of action.
Material and methods:
MI/R injury was induced using 30-min left anterior descending coronary artery (LAD) occlusion followed by 4 h reperfusion.
CST was administered to rats before reperfusion. The outcome of CST was
determined according to various indices of oxidative stress, inflammation,
apoptotic genes and nuclear factor k-light-chain-enhancer of activated
B cells (NF-kB).
Results:
The results suggested that CST causes significant improvement in
left ventricular systolic pressure (LVSP) and derivative of pressure over time
of maximal rate of rise of (usually) left ventricular pressure (± dp/dtmax) with
reduction of left ventricular end-diastolic pressure (LVEDP). It also reduces
increased ST segment together with restoration of the changes in RR interval and QRS complex. The histopathological analysis of cardiac tissue
further corroborated the effect of CST. It also causes improvement of the
antioxidant system by reducing malondialdehyde (MDA) level with increase
in superoxide dismutase (SOD) and glutathione peroxidase (GPx). The levels
of cytokines (TNF-α, IL-1β and IL-6) were also found to be reduced upon CST
treatment. The expression of NF-kB, inducible nitric oxide synthase (iNOS)
and BCL2-associated X protein (Bax) was found to be reduced in the CST
treated group together with an increase in Bcl-2.
Conclusions:
Collectively, the results of the study demonstrated that casticin protects rats from MI/R damage possibly via attenuation of oxidative
stress, the inflammatory response and apoptosis. It was also shown to inhibit NF-kB and iNOS in western blot analysis.
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