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- Title
7-Hydroxy Frullanolide Ameliorates Isoproterenol-Induced Myocardial Injury through Modification of iNOS and Nrf2 Genes.
- Authors
Ullah, Saif; Ahmad, Taseer; Ikram, Muhammad; Rasheed, Hafiz Majid; Khan, Muhammad Ijaz; Khan, Taous; Alsahli, Tariq G.; Alzarea, Sami I.; Althobaiti, Musaad; Shah, Abdul Jabbar
- Abstract
Myocardial infarction (MI) is the principal cause of premature death. Protecting myocardium from ischemia is the main focus of intense research. 7-hydroxy frullanolide (7-HF) is a potent anti-inflammatory agent, showing its efficacy in different acute and chronic inflammatory disorders such as atherosclerosis, suggesting it can be a potential cardioprotective agent. For the induction of MI, Sprague–Dawley rats (n = 5) were administered isoproterenol (ISO) 85 mg/kg s.c at 24 h intervals for two days. The potential cardioprotective effect of 7-HF and its mechanisms were explored by in vivo and in vitro methods. 7-HF significantly prevented the extent of myocardial injury by decreasing the infarct size, preserving the histology of myocardial tissue, and reducing the release of cardiac biomarkers. Further, 7-HF increased the mRNA expression of cardioprotective gene Nrf2 and reduced the mRNA expression of iNOS. 7-HF also improved cardiac function by decreasing the cardiac workload through its negative chronotropic and negative ionotropic effect, as well as by reducing peripheral vascular resistance due to the inhibition of voltage-dependent calcium channels and the release of calcium from intracellular calcium stores. In conclusion, 7-HF showed cardioprotective effects in the MI model, which might be due to modulating the expression of iNOS and Nrf2 genes as well as improving cardiac functions.
- Subjects
MYOCARDIAL injury; RYANODINE receptors; NUCLEAR factor E2 related factor; CALCIUM channels; INTRACELLULAR calcium; CARDIAC contraction
- Publication
Biomedicines, 2023, Vol 11, Issue 9, p2470
- ISSN
2227-9059
- Publication type
Article
- DOI
10.3390/biomedicines11092470