Gene expression of markers of the unfolded protein response in mice fed the control, HCY, MCD, or MCD + HCY diet for 14 days. Real-time quantitative PCR for XBP-1(s) and XBP-1(total) (A); BiP (B); CHOP (C), and Western blot for BiP (D); and p-eIF2α (E). Quantitative PCR values are mean (n = 5–7) relative expression ± S.D. n = 5 for Western blot. *, p < 0.05 versus control; **, p < 0.05 for MCD versus MCD + HCY.