Figure 4 of Sekimukai, Mol Vis 2009; 15:1764-1773.

Figure 4. Immunohistochemistry of ASK-1 on experimental day 4. A: Immunoreactivity of ASK-1 was found in the outer part of ONL from control retina in rd1 mice (arrows). B: Immunoreactivity was weakly found (arrows) in retina transfected with ASK-1 siRNA. Images are shown at 200× magnification.