marginal significanceP = 0.073
Compared with the control ones, Tph2 +/+ AR (Figure 3A , LSD post-hoc t-tests , rat-exposure: P = 0.007; rat scent-exposure: P = 0.016), ERα (Figure 3A , LSD post-hoc t-tests , rat-exposure: P = 0.000; rat scent-exposure: P = 0.000) and GluR4 (Figure 3A , LSD post-hoc t-tests , rat-exposure: P = 0.016; rat scent-exposure: P = 0.073, marginal significance) expression were down-regulated.