Fig. 5. Plasma corticosterone levels by housing environment (A), genotype (B), and gender (C).

No housing or transgenic differences were observed in corticosterone levels. In contrast, male mice had almost 3-fold lower levels of corticosterone compared to female mice. * = significantly lower at p<0.01. Abbreviations: Tg+, all transgenic mice combined; M, male; F, female; all other abbreviations as in Figure 1.