Microscopy from Scientific Research

16-week HIO sections at 72 h post injection with saline (n = 3) (left) or E. coli lysate (n = 4) (right) stained with anti-human GP2. Arrows indicate M cells positive for human GP2. Scale bars represent 100 m, except b (bottom) human GP2 scale bars represent 50 m. Representative of two independent experiments.

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