(A) Immunohistochemical staining of the germinal center of a secondary follicle in a spleen with a polyclonal antibody directed to the C-terminal part of the c-MET receptor. (B) Example of centroblasts reacting with C-28 (anti c-MET) of an EMA⁺ lymph node from a patient with NHL. (C) As a negative control C-28 was preincubated with a 10-fold higher concentration of the peptide to which the antibody was raised (blocking peptide).