SYVN1 and infection: We found that infection of striatum neurons with AAV-SYVN1 (Figure 3G) significantly decreased SYVN1 expression level (PBS, 100 ± 10.27%; AAV-Con, 110.4 ± 6.599%; AAV-SYVN1, 61.23 ± 5.510%; F(2,17) = 11.22, p = 0.0010; Figure 3E).