Downregulation of glutathione S-transferase pi in asthma contributes to enhanced oxidative stress. - Schroer KT; Gibson AM; Sivaprasad U; Bass SA; Ericksen MB; Wills-Karp M; Lecras T; Fitzpatrick AM; Brown LA; Stringer KF; Hershey GK (The Journal of allergy and clinical immunology, 2011)