Fig. 2

Reactivity against Schwann cells in peripheral nerve sections. Macaque peripheral nerve sections stained in red with S100 (A–D) or CD56 (NCAM) monoclonal antibody (E–H), and in green with GBS patient’s sera reacting against myelin from small myelinated fibres (A, E), myelin from large myelinated fibres (B, F), and non-myelinating Schwann cells (C, G). D and H are stained with sera from negative controls