Biotin-PEG-[G1]-DMHCA
intranasally administered reaches the hippocampus
after 24 h. In the images, the colocalization of the used markers
(red for GFAP/blue for DAPI, nuclei/green for Biotin) can be observed
at 20× and 40× (scale bars 50 and 25 μm, respectively)
(A,B). Effective intranasal dose analysis in mice: olfactory bulb
levels of ApoE evaluated after 24 h by Western Blot (C). Relative
levels of ApoE in homogenates of hippocampus, cerebral cortex, and
liver; normalizing with values of βIII-tubulin for hippocampus
and cerebral cortex, and GAPDH for liver (D,E). Statics analysis was
performed using Graph-Pad Prism 6. All probability values were two-tailed;
a level of 5% was considered significant. Data are reported as the
mean ± SEM.