as the deleterious effect of oxygen derivatives in the cell is one of the numerous pathways associated with cell aging , the activity of the enzymatic defense system , superoxide dismutase ( sod ) , glutathione peroxidase ( gshpx ) , glutathione reductase ( gr ) , was examined in the erythrocytes of 12 cf children and was compared to age-matched normal controls .
C0007634
cell
C0007581
cell aging