Exposure to 2 × 10−10
m PGF2α for 4 h increased sGnRH transcripts in the telencephalon and cerebellum of male (M) but not in female (F) goldfish. Exposure to vehicle (318 μl/L ethanol; control), 10−6
m
l-serine (Ser), or 2 × 10−10
m 17,20β-P had no effect on sGnRH mRNA levels. The number inside each bar represents sample size n for the corresponding group. The asterisk denotes significant difference between control and the treatment group (p < 0.05). Error bars indicate SEM. F, Female; M, male.