
Keywords: Antioxidants; Cortisol; Flavonoids; Glucocorticoids; Inflammation; 11β-HSD1; 11β-hydroxysteroid dehydrogenase 1; COPD; chronic obstructive pulmonary disease; FCS; fetal calf serum; GR; glucocorticoid receptor; HSD11B1; gene encoding 11β-hydroxysteroid