BDNF and congenital rubella syndrome: In the PrL, Tukey’s post hoc test showed that, the levels of BDNF (F3,20 = 4.635, p < 0.05), pTrkB (F3,20 = 4.909, p < 0.05), and pERK1/2 (F3,20 = 3.778, p < 0.05) were decreased in CRS- and CUS-exposed rats compared with the control group but no significant changes were found in PCMS-exposed rats.