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. 2021 Jun 22;26(11):6394–6410. doi: 10.1038/s41380-021-01166-2

Fig. 6. BACE1 deficiency or inhibition decreases release of synaptic vesicles in the active zones.

Fig. 6

A Representative EM images show different active zones and synaptic vesicles in the presynaptic compartment of WT control (BACE1+/+), in BACE1 deficient mice BACE1−/−, or BACE1+/+ mice with Lanabecestat or Verubecestat. B, C Active zone lengths and their cumulative frequency histogram in above conditions were quantified. D Number of docked vesicles (within 5 nm from presynaptic membrane) per active zone. E Synaptic vesicle distribution up to 200 nm distance from presynaptic membrane (constituting RRP) of the active zone (N = 3 animals in each group, 87 randomly selected active zones or 60 synapses were analyzed; ***P < 0.001, unpaired Student’s t test).