Changes in factors mediating apoptosis and selected cytokines and TLR after ErbB1 blockade in TLR4KO mice; results measured by RT-PCR of jejunal mucosal scrapings. A, B) Changes in Bcl-2 and Bax, respectively. C, D) Changes in FasL and Fas, respectively, with ErbB1 blockade. E, F) Changes in TNF-α and IFN-γ, respectively. G) Changes in TLR2. H) Changes in EGF.