(A) Workflow to retrogradely label BLA-projecting VP cholinergic neurons.
(B) Representative images in mice injected with fast blue in the BLA (in blue) and overlaid on a bright-field image.
(C) Representative images from the VP in a mouse exposed to the APP odor (left column) and AV odor (right column). First row, ChAT; second row, cFos; third row, Fast Blue; bottom row, overlay of all channels. Scale bars, 20 μm.
(D) AV responsive VP cholinergic neurons (n = 6 mice, all female) constitute a significantly greater percentage of BLA-projecting VP cholinergic neurons than APP responsive VP cholinergic neurons (n = 6 mice; 4 male and 2 female).
*p < 0.05. Error bars represent mean ± SEM.