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Clinical Trial Summary

Myocardial infarction is a polygenic disease that may occur due to various environmental risk factors. Mortality risk of the disease; sex, age, smoking, systolic blood pressure, total cholesterol, and high-density lipoprotein levels. The paraoxonase-1 phenotype is expressed as the paraoxonase/arylesterase ratio and is closely related to high-density lipoprotein, acting as an endogenous defense mechanism against vascular oxidative stress, thus contributing to the prevention of atherosclerosis. Serum concentration and activity depend on environmental factors as well as genetic polymorphism. This decrease in enzyme concentration causes changes in gene expression (1). Numerous data on Paraoxonase-1 levels have been found in studies, especially with decreasing serum paraoxonase and arylesterase activities with age, associated with increased risk of systemic oxidative stress and atherosclerosis in humans. Many studies have shown that serum Paraoxonase-1 activity is significantly reduced in people with myocardial infarction, dyslipidemia, atherosclerosis, and chronic kidney disease. The most important risk factor for these and similar diseases is aging. Diversity of conditions such as genetic predisposition, malnutrition, stress, and smoking, which increases vascular dysfunction due to oxidative stress, classify individuals with acute myocardial infarction according to age groups and investigate whether there is a relationship between serum Paraoxonase-1 activity and severity of coronary artery disease in young patients. The paraoxonase-1 enzyme, which is known to decrease blood levels with age, is found to be significantly lower in patients with myocardial infarction at a young age compared to the healthy control group.


Clinical Trial Description

High-density lipoprotein (HDL), known as good cholesterol, is named because of its protective effects on the cardiovascular system. in order to summarize the mechanism of the event, cholesterol is transported from the liver to the cells and from the cells back to the liver via blood. Cholesterol and other fats are carried in packets called lipoprotein to dissolve in the blood. Those with these are two kinds of cholesterol, these low-density lipoproteins and good cholesterol can help to lower the cholesterol as well. LDL cholesterol is the main package that carries cholesterol in the blood. When the blood is high, it sticks to the inside of the veins and forms plaques around here. With the addition of cholesterol, a blood clot that formed in cracks that occur on these plaques grow the arteries and clogs them. If the blockage occurs in the heart vessels, it can cause a heart attack and stroke. Cholesterol in the blood is a part of a package called HDL-cholesterol is carried in. HDL-cholesterol prevents the accumulation of cholesterol in the veins. It collects the cholesterol circulating in the blood and brings it to the liver to get rid of it from the body. Thus, it reduces the exposure of blood vessels to the harmful effects of cholesterol. All these effects of HDL cholesterol in the paraoxonase enzyme owes. This may be the reason why Dolat may even use another nomenclature instead of HDL in future years. A paraoxonase-1 enzyme, which is known to decrease blood level with age, is found to be significantly lower in patients with myocardial infarction at a young age compared with the healthy control group in this study, and the measurement of this enzyme level can be used as a screening test in people with risk factors. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04243876
Study type Observational
Source Bezmialem Vakif University
Contact
Status Completed
Phase
Start date December 30, 2019
Completion date May 27, 2022

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