Fig. 4

Histological analysis of a renal allograft biopsy from recipient #2 at 12 weeks post-transplant. a HES (hematoxylin, eosin and saffron) stained section showing inflammation (arrows). Original magnification 200x, scale bar = 100 μm. b Immunohistochemistry staining of the same biopsy as in a), showing LTag expression (brown colour) in tubular epithelial cells when the monoclonal anti–SV40 LTag antibody Pab416 (Merck) is used. Original magnification 400x, scale bar = 50 μm