Figure 4. Ingenuity Pathway Analysis shows perturbation in Nrf2 signaling in aged Atp8b1 mutant mice. The transcripts encoding NQO1, CREBBP, p300 were decreased in aged Atp8b1 mutant mice. Members in PI3K complex (PIK3D), PKC α,β (PRKCB, PKc(s) and DNAJC3 were increased in aged Atp8b1 mutant lung.