a, Ultrasonic vocalization (USV) index
(n=28/34 (vehicle;PBS/poly(I:C));
n=26/30 (vancomycin;PBS/poly(I:C)); 5-6 independent
experiments). b-d, Marble-burying index (b) time spent
in the center of an open field (c), % interaction
(d) in the sociability test of adult offspring described in
(a) (n=13/15 (vehicle;PBS/poly(I:C));
n=12/16 (vancomycin;PBS/poly(I:C)); 3-4 independent
experiments). e, Representative images of adult offspring brains
from PBS-/poly(I:C)-injected mothers treated with vehicle/vancomycin. Arrows
indicate cortical patch. Scale bar,100 μm
(n=3/4 (PBS;vehicle/vancomycin);
n=5/4 (poly(I:C);vehicle/vancomycin); 2 independent
experiments). f, Maternal plasma concentrations of IL-17a 48 hrs
after PBS/poly(I:C) administration into dams at E12.5 (n=6/group; 3
independent experiments). *p<0.05,
**p<0.01,
***p<0.001,
****p<0.0001 as
calculated by one-way (a-c) and two-way
(d) ANOVA with Tukey post-hoc tests and Student’s
t-test (f). N.S., not significant. Graphs indicate mean
+/− s.e.m.