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- W4283738519 abstract "The aim of the study is to reveal the ethanol effects on the expression of hypoxia-associated factors (HIF-1α, VEGF-A) and structural changes in cardiomyocytes of healthy rats.
 Materials and methods. Ethanol-induced structural changes in cardiomyocytes were studied in 60 outbred mature rats. Control animals were intragastrically injected with sterile 0.9% saline, experimental animals – with 40 % ethanol. Ethanol exposure on myocardium lasted 4 and 8 days. Morphological study of the heart was carried out after decapitation preceded by ether anesthesia. PCR tests were used to determine mRNA expression of HIF-1α and VEGF-A genes from the left ventricle and serum concentration of vascular endothelial growth factor. Morphological studies of the left ventricle myocardium were carried out on histological sections using light microscopy.
 Results. A short ethanol exposure was accompanied by fatty and granular cytoplasm degeneration of cardiomyocytes with erythrocyte stasis in capillaries, arterioles and venules. VEGF-A serum concentration in control rats was lower if compared with ethanol-induced rats. Gender differences to ethanol response were revealed, in particular, a more pronounced HIF-1α and VEGF-A mRNA expression in females compared to males on the background of 4-day ethanol exposure, which correlated with VEGF-A level in blood serum. 8-day alcohol exposure was accompanied by an increase in VEGF-A mRNA expression in both female and male rats.
 Conclusion. Ethanol exposure causes activation of HIF-1α and VEGF-A transcription factors in cardiomyocytes of rats. It can be regarded as a mechanism of urgent adaptation without the development of pronounced structural maladaptive changes of the myocardium." @default.
- W4283738519 created "2022-07-02" @default.
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- W4283738519 date "2022-06-30" @default.
- W4283738519 modified "2023-09-27" @default.
- W4283738519 title "ALCOHOL-INDUCED EXPRESSION OF VASCULAR ENDOTHELIAL GROWTH FACTOR AND STRUCTURAL CHANGES IN RAT CARDIOMYOCYTES" @default.
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- W4283738519 doi "https://doi.org/10.34014/2227-1848-2022-2-102-116" @default.
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