PDCD4 and congenital rubella syndrome: For prevention, lentivirus containing Pdcd4 siRNA (siPdcd4) and GFP was injected into the hippocampus of mice before CRS (Virus + CRS) and for the rescue experiment, lentivirus expressing siPdcd4 and GFP was administrated after the CRS treatment (CRS + Virus) (Supplementary Fig. 10a).