The SN fraction is enriched in pinched-off, resealed dendritic spines attached to presynaptic boutons
e 634Mul/J) and actin-GFP mice B5Nagy/J) were purchased from Jackson laboratory and relevant licenses were purchased for these experiments. MMTV-PyMT and actin-GFP mice were bred, and 3-week-old female bitransgenic offspring…