Key result
Ginger administration prior to isoproterenol treatment significantly reduced the infarct surface area from 41.23% to 29.72% and decreased cardiac marker enzymes and inflammatory cytokines in rats.
Why the study?
Does ginger extract prevent isoproterenol-induced acute myocardial infarction in rats?
Does ginger extract prevent isoproterenol-induced acute myocardial infarction in rats?
Absolute Event Rate: 29.72% vs 41.23%
p-value: p=0.001
In a rat model, ginger extract demonstrated cardioprotective and antioxidant effects against isoproterenol-induced myocardial infarction.
May support herbal effects in ISO-MI animal models; hypothesis-generating and requires human validation.
BACKGROUND: Myocardial infarction is a major heart disease and is considered a significant reason for mortality and morbidity around the world. The model of Isoproterenol (ISO)-induced myocardial infarction provides a supported method for investigating the impacts of numerous possible cardioprotective bioactive substances. Nitric Oxide (NO) could react with reactive oxygen intermediates and free radicals to create harmful species. For several years, researchers have investigated the use of herbs and natural products as antioxidants to protect the body's organs against toxins and drug metabolites. However, studies on the antioxidant effects of ginger against cardiotoxicity induced by drugs and toxic agents remain insufficient, especially its effects on NO. AIMS AND OBJECTIVES: This study aimed to investigate the possible antioxidant and protective role of ginger in ISO-induced acute myocardial infarction in experimental rats. Special emphasis was given to the impact of ginger on NO levels. MATERIALS AND METHODS: Forty adult male albino rats were used in this study. The animals were randomly divided into four equal groups. Group I served as control and received a normal mouse diet. Group II received ginger extract orally, Group III received normal diet for eight weeks, followed by ISO administration subcutaneously to induce myocardial infarction, Group IV received ginger extracts, followed by ISO. RESULTS AND CONCLUSIONS: The results of this study illustrated ginger's protective role against ISO-induced acute myocardial infarction. This role is mainly due to ginger's antioxidant and anti-inflammatory properties. We assume that sufficient intake of ginger by individuals who are regularly exposed to ISO would be beneficial in overcoming the cardiotoxicity of ISO. The effects of ginger may take place through inhibition of NOS enzymes, which needs further immunohistochemical and biochemical studies to reveal the underlying different mechanisms of the effects of ginger at the molecular and structural levels.
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MohammedAhmed Hassanien (2020) studied Isoproterenol-induced acute myocardial infarction (n=40). Ginger extract vs. Isoproterenol alone was evaluated on Infarct surface area percentage (p=0.001). Ginger administration prior to isoproterenol treatment significantly reduced the infarct surface area from 41.23% to 29.72% and decreased cardiac marker enzymes and inflammatory cytokines in rats.
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