Figure 2: Moderate treadmill exercise decreased GFAP content in the hippocampus of exercised rats. Effects of treadmill exercise (20 min/day, 5 days/week during four weeks) on BDNF (a) and GFAP (b) contents in rat hippocampus were evaluated and were measured by ELISA. Values are mean ± standard error of control/sedentary (SED) ( ) and exercise (EXE) group ( ). *means significantly different from respective control/sedentary group (Student’s -test, ).