See “Alterations in lipid metabolism mediate inflammation, fibrosis, and proliferation in a mouse model of chronic cholestatic liver injury,” by Moustafa T, Fickert P, Magnes C, et al, on page 140; and “A high-cholesterol diet exacerbates liver fibrosis in mice via accumulation of free cholesterol in hepatic stellate cells,” by Teratani T, Tomita K, Suzuki T, et al, on page 152.