Abstract
Ventricular tachycardia (VT) and ventricular fibrillation (VF) are the most frequent causes of death in the first 24 hours after myocardial infarction. Previous studies showed that depleting TRPV1 receptors with resiniferatoxin (RTX) led to a reduced risk of VT and VF post-myocardial infarction. Therefore, the question of resiniferatoxin as a cardioprotector against myocardial infarction (MI)-induced VT and VF was raised. The RNA sequence data from 3 groups of pigs, each having 4 animals (4 controls, 4 myocardial infarction - MI, and 4 RTX + MI) was analyzed through the lens of differentially expressed genes. The differential expression comparison was conducted in two ways: MI versus Control and RTX+MI versus MI. The results showed the downregulation of deleterious genes involved in inflammation and future plaque instability in the RTX group compared with the MI group. In the case of some of the genes, these findings were reinforced by obtaining the same trends in the MI versus Control group. All in all, we propose further investigation of RTX as a prophylactic method against cardiovascular complications of MI.
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