Expression of synaptic UPS reporters in the brain striatum. (A) Expression of presynaptic reporters (SNAP25-GFPu/-RFP) in the striatum of R6/2 mice at 9 wk of age 8 d after adenoviral injection. Right panels show high magnification graphs and quantitative data of the ratio (mean +SEM, n = 48) of GFPu/RFP in synapses (arrows). (B) Expression of PSD95-GFPu/-RFP in the striatum of R6/2 mice. The high magnification graphs and the ratio (mean + SEM, n = 43) of GFPu/RFP are also displayed in right panels. Bars, 5 μm. *, P < 0.05.