Paraffin embedded scrapie-infected sheep retropharyngeal lymph node section was stained with anti-120 kDa followed by Rat Anti-Mouse IgM-HRP (SB Cat. No. 1139-05) and DAB along with anti-prion protein followed by secondary reagents and Fast Red.
Image from Dassanayake RP, Truscott TC, Özyiğit MÖ, Zhuang D, Schneider DA, O'Rourke KI. Accumulation profiles of PrPSc in hemal nodes of naturally and experimentally scrapie-infected sheep. BMC Vet Res. 2013;9:82. Figure 3(g)