Histology of the liver (A to C, × 400, light microscopy; D and E, Bar = 5μm electron microscopy). A. Normal mice, B. Mice injected with denatured liver tissue (on day 1), C. Mice injected with α-GalCer (2μg/mouse) (on day 3), D, E. Mice injected with denatured liver tissue (on day 1).