Fig. 4
From: Apoptotic investigation of brain tissue cells in dogs naturally infected by canine distemper virus
mild CDV-infected pyramidal cells. A Lots of CDV-antigen positive cells were observed in the cerebral cortical layer. sABC staining, Bar = 100 μm. B The lesions characteristics of satellite phenomenon (up arrow) and neuronophagia(up arrow) are detected in CDV-infected pyramidal cells. HE staining, Bar = 20 μm. C Small shrunken pyramidal cells (up arrow) show dark red, situating in the apoptotic states. MGP staining, Bar = 20 μm. D Some apoptotic pyramidal cells (up arrow) with pyknosis appear strong positive reaction staining dark brown. TUNEL staining, Bar = 20 μm