The role of insulin resistance and oxidative stress in the mechanisms of arterial hypertension development




oxidative stress, insulin resistance, arterial hypertension, lipid and protein oxidation products, antioxidant enzymes, superoxide dismutase, catalase.


Hypertension is a pathophysiological process associated with morphological and functional disorders in cellular structures that lead to progressive imbalance of the cardiovascular system of the organism. The purpose of the study was to study the role of insulin resistance and oxidative stress in the mechanisms of development of arterial hypertension. The study included 55 patients with controlled arterial hypertension aged 57.3 ± 4.5 years. The content of glucose, insulin, products of free radical oxidation of lipids and proteins, and the activity of antioxidant protection enzymes were determined in the patients' blood. According to the results of determining the content of glucose, insulin and calculating the HOMA index, patients were divided into two groups - patients with controlled arterial hypertension without and with insulin resistance. An increase (p ≤ 0.05) in the content of primary (diene conjugates) and secondary (TBA-positive products) lipid oxidation products, protein oxidation products in the blood serum of patients with arterial hypertension without and with insulin resistance was demonstrated. Higher levels of lipid and protein oxidation products (p ≤ 0.05) were observed in patients with hypertension and insulin resistance compared to patients with hypertension without insulin resistance. A decrease (p ≤ 0.05) in the activity of antioxidant protection enzymes - superoxide dismutase and catalase in patients with arterial hypertension without and with insulin resistance was also shown. In patients with arterial hypertension and insulin resistance, the decrease in the activity of these enzymes was significantly greater (p ≤ 0.05) compared to patients with arterial hypertension without insulin resistance. Taking into account the obtained results, it is necessary to distinguish between patients diagnosed with hypertension, depending on the presence or absence of insulin resistance. Patients with hypertension and insulin resistance require a complex approach to treatment, as they have more profound changes in metabolic processes, in particular, oxidative metabolism. Insulin resistance and arterial hypertension are mutually reinforcing, therefore, for effective treatment and prevention of further complications, it is necessary to combine means and approaches to influence each of these links to more effectively prevent the development of metabolic disorders in the orgsnism.


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Human and Animal Physiology

How to Cite

The role of insulin resistance and oxidative stress in the mechanisms of arterial hypertension development. (2023). Notes in Current Biology, 6(2).