Prunetin Protective Effect in Wistar Rats Against Isoproterenol-Induced Myocardial Infarction via Biochemical
Rui Liu1, ShaikAlthaf Hussain2, Narendra Maddu3
1Department of Geriatrics, Department of General Practice, Baoji Chinese Traditional Medicine Hospital, Baoji, 721001, China.
Background:
The development of MI following ischemia damage is influenced by oxidative stress. Myocardial Infarction (MI) generates myocardial ischemia injury, which damages the cardiomyocytes. Ischemia builds up to a critical level over time in MI, causing permanent myocardial cell damage or death.
Aim:
The current study sought to determine whether Prunetin (PRU) could protect against Isoproterenol (ISO)-induced cardiac heart failure in rats by examining cardiac diagnostic markers, lipid peroxidation products, enzymatic and non-enzymatic antioxidant levels, and histological changes.
Methods:
PRU (20 mg/kg bwt) was orally administered for 19 days to rats, and after the treatment, ISO (85 mg/kg bwt) was subcutaneously administered with an intermission of 24 h for a couple of days to induce myocardial infarction on 20th and 21st days. ISO-treated rats exhibited considerable alterations in cardiac-sensitive markers in the serum. The levels of lipid peroxidation markers augmented drastically in the plasma and myocardium. Enzymatic antioxidant levels in erythrocytes and myocardium and the states of non-enzymatic antioxidants were diminished in the plasma and heart tissue of ISO-treated rats. The histopathological examination of heart tissue exhibited cardiac damage in ISO-induced rats.
Results:
The oral administration of PRU significantly lowered the levels of lipid peroxidation and biochemical indicators, while significantly improving the antioxidant system function of ISO-interposed rats. In PRU-treated ISO-injected rats, histological examinations revealed suppressed myocardial destruction.
Conclusion:
Our research shows that oral pretreatment of PRU prevented ISO-induced oxidative stress in MI.
Insights
Prunetin (PRU) pretreatment effectively combats oxidative stress and myocardial infarction (MI) in rats. This study demonstrates PRU
Area of Science:
- Cardiovascular Research
- Pharmacology
- Oxidative Stress Studies
Background:
- Myocardial Infarction (MI) results from ischemia and is exacerbated by oxidative stress, leading to cardiomyocyte damage.
- Oxidative stress plays a critical role in the progression of heart failure following ischemic events.
- Understanding the mechanisms of MI is crucial for developing effective therapeutic strategies.
Purpose of the Study:
- To investigate the cardioprotective effects of Prunetin (PRU) against Isoproterenol (ISO)-induced heart failure in a rat model.
- To evaluate the impact of PRU on cardiac biomarkers, lipid peroxidation, and antioxidant status.
- To assess the histological changes in the heart tissue following ISO administration and PRU treatment.
Main Methods:
- Rats were orally administered Prunetin (20 mg/kg) for 19 days.
- Myocardial infarction was induced by subcutaneous injection of Isoproterenol (85 mg/kg) on days 20 and 21.
- Cardiac markers, lipid peroxidation, antioxidant levels, and heart tissue histology were analyzed.
Main Results:
- Prunetin treatment significantly reduced lipid peroxidation and improved cardiac diagnostic markers in ISO-treated rats.
- Antioxidant enzyme and non-enzymatic antioxidant levels were restored by PRU administration.
- Histopathological analysis showed reduced myocardial damage in rats pretreated with Prunetin.
Conclusions:
- Oral pretreatment with Prunetin effectively prevents Isoproterenol-induced oxidative stress and myocardial damage in rats.
- Prunetin demonstrates significant cardioprotective effects by mitigating oxidative stress and preserving heart tissue integrity.
- These findings suggest Prunetin as a potential therapeutic agent for managing myocardial infarction.
