Abstract
Keshan disease (KD) is an endemic cardiomyopathy. The etiology of KD is selenium deficiency; however, it is not the only one and there is no effective approach to preventing and curing this disease. The aim of the present study was to explore the differences in the role of arachidonic acid (AA) by the cytochrome P450 enzyme between chronic KD (CKD), dilated cardiomyopathy (DCM) and control patients. Reverse transcription-quantitative polymerase chain reaction was used to detect the CYP1A1 and CYP2C19 gene expression levels in 6 CKD patients, 6 DCM and 6 healthy controls. An enzyme-linked immunosorbent assay kit was applied to detect serum protein expression of CYP1A1 and CYP2C19, AA and epoxyeicosatrienoic acids (EETs), and 20-hydroxyeicosatetraenoic acids (20-HETE) in 67 CKD patients, 28 DCM, and 58 controls. The present results showed that the expression levels of CYP1A1 and CYP2C19 genes were significantly upregulated compared with the control group (P<0.01). The expression level of the CYP1A1 protein in the CKD (49.55±35.11 pg/ml) and DCM (46.68 ±13.01 pg/ml) groups were enhanced compared with the control group (44.33±16.76 pg/ml) (P<0.01). The production of the CYP2C19 protein in the CKD (57.52±28.22 pg/ml) and DCM (56.36±...Continue Reading
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