In addition, NaHS (100 μmol/kg/day, i.p., 4 weeks) also decreased the expression of hippocampal anti-apoptotic protein (Bcl-2) (Figure 5C) and increased the expression of hippocampal pro-apoptotic protein (Bax) (Figure 5D) in CRS-treated rats. Here, PROS1 is linked to congenital rubella syndrome.