Figure 2. Age related changes in TNF‐α, IL‐10 and Glucocorticoid (GC) levels. Levels of hippocampal TNF‐α (A) and IL‐10 (B) and serum glucocorticoids (C) were measured by ELISA kits. Results are expressed as mean ± S.E.M. from three individual experiments (n= 5‐10 for each experimental group). ANOVA followed by Newman‐Keuls. (a) p<0.05 vs. 4‐month‐old basal sample.