Jones et al. 1225 Figure 5. Brain pathology. (A) Brain regions (in sagittal section) from the same mice brains used for MALDI FTICR IMS. (B) 4L/PSNA and control mice brain sagittal sections were stained with anti-GFAP, anti-CD68, or anti-p62 antibodies. 4L/PS-NA brains showed positive signals for each antibody (brown). (C) GFAP, CD68, and p62 signals in each brain region of 4L/PS-NA and control mice. Scale bars are labeled under each panel. The signal levels in each region are summarized in Table 1.