HMOX1 and stroke disorder: Specifically, PPARα KO led to increased expression levels of Gadd45b, Nppa, Hdc, Lcn2, Il6, Sox4, Marcksl1, Saa3, Ucn2, Met, Dusp10, Elovl7, Ngf, C3, Il11, Hmox1, Alox5, Tnfsf9, Angptl4, Plin2, H19, Csf2rb, Atf3, and Col7a1 following stroke (Figure 4).