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Glutathione cycle in stable chronic obstructive pulmonary disease (CROSBI ID 166530)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Radišić Biljak, Vanja ; Rumora, Lada ; Čepelak, Ivana ; Pancirov, Dolores ; Popović-Grle, Sanja ; Sorić, Jasna ; Žanić-Grubišić, Tihana Glutathione cycle in stable chronic obstructive pulmonary disease // Cell biochemistry and fuction, 28 (2010), 6; 448-453. doi: 10.1002/cbf.1675

Podaci o odgovornosti

Radišić Biljak, Vanja ; Rumora, Lada ; Čepelak, Ivana ; Pancirov, Dolores ; Popović-Grle, Sanja ; Sorić, Jasna ; Žanić-Grubišić, Tihana

engleski

Glutathione cycle in stable chronic obstructive pulmonary disease

Chronic obstructive pulmonary disease (COPD) is characterized by chronic inflammation and oxidant/antioxidant imbalance. Glutathione is the most abundant cellular low-molecular weight thiol and the glutathione redox cycle is the fundamental component of the cellular antioxidant defence system. Concentration of total glutathione and catalytic activities of glutathione peroxidase and glutathione reductase were determined in peripheral blood of patients (n¼109) and healthy subjects (n¼51). Concentration of total glutathione in patients was not changed in comparison to healthy controls. However, we found statistically significant difference between patients with moderate and severe disease stages. Glutathione reductase activity was increased, while glutathione proxidase activity was decreased in the patients with COPD, when compared to healthy controls.We found no significant difference in glutathione peroxidase and glutathione reductase activities between stages. Patients who smoked had lower concentration of total glutathione compared with former smokers and never-smoking patients. Lung function parameters were inversely associated with glutathione level. Evidence is presented for differential modulation of glutathione peroxidase and glutathione reductase activities in peripheral blood of patients with stable COPD. We suppose that in addition to glutathione biosynthesis, glutathione reductase-dependent regulation of the glutathione redox state is vital for protection against oxidative stress.

chronic obstructive pulmonary disease; glutathione peroxidase; glutathione reductase; oxidative stress; smoking; total glutathione

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Podaci o izdanju

28 (6)

2010.

448-453

objavljeno

0263-6484

10.1002/cbf.1675

Povezanost rada

Kliničke medicinske znanosti, Farmacija

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