NFKB1 and congenital rubella syndrome: While compared with the CRS group, the renal tissue of the CRS + PAA group presented obviously decreased the phosphorylation level of NF-κB, IKBα, P38, and ERK (P < 0.01) and declined ratios of p-NF-κB/NF-κB, p-IKBα/IKBα, p-P38/P38, and p-ERK/ERK (Figures 5(a)–5(c)).