Figure 1

(a–c) Immunostaining of formalin-fixed, paraffin-embedded HEK 293 cells transfected with the novel C-terminus of mutated CALR (a) and non-transfected HEK 293 cells (b) and a tonsil (c) with the antibody CAL2. The antibodies CAL1 and CAL3 produced an identical staining result (magnification: x80).