التفاصيل البيبلوغرافية
| العنوان: |
Influence of Coronary Artery Bypass Grafts on Blood Aminothiols in Patients with Coronary Artery Disease. |
| المؤلفون: |
Ivanov, Alexander Vladimirovich, Popov, Mikhail Aleksandrovich, Metelkin, Arkady Andreevich, Aleksandrin, Valery Vasil'evich, Agafonov, Evgeniy Gennad'evich, Kruglova, Maria Petrovna, Silina, Ekaterina Vladimirovna, Stupin, Victor Aleksandrovich, Maslennikov, Ruslan Andreevich, Kubatiev, Aslan Amirkhanovich |
| المصدر: |
Metabolites (2218-1989); Jun2023, Vol. 13 Issue 6, p743, 15p |
| مصطلحات موضوعية: |
CORONARY artery bypass, CORONARY artery disease, HOMOCYSTEINE, CYSTEINE, BLOOD sugar, POSTOPERATIVE period |
| مستخلص: |
Coronary artery disease (CAD) and the coronary artery bypass graft (CABG) are associated with a decreased blood glutathione (bGSH) level. Since GSH metabolism is closely related to other aminothiols (homocysteine and cysteine) and glucose, the aim of this study was to reveal the associations of bGSH with glucose and plasma aminothiols in CAD patients (N = 35) before CABG and in the early postoperative period. Forty-three volunteers with no history of cardiovascular disease formed the control group. bGSH and its redox status were significantly lower in CAD patients at admission. CABG had no significant effect on these parameters, with the exception of an increase in the bGSH/hemoglobin ratio. At admission, CAD patients were characterized by negative associations of homocysteine and cysteine with bGSH. All these associations disappeared after CABG. An association was found between an increase in oxidized GSH in the blood in the postoperative period and fasting glucose levels. Thus, CAD is associated with the depletion of the intracellular pool and the redox status of bGSH, in which hyperhomocysteinemia and a decrease in the bioavailability of the extracellular pool of cysteine play a role. The present study indicates that CABG causes disruptions in aminothiol metabolism and induces the synthesis of bGSH. Moreover, glucose becomes an important factor in the dysregulation of GSH metabolism in CABG. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
Complementary Index |
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