Percentage of increase in RLUs for trace amines tyramine and PEA in rhTA1-expressing HEK-293 cells (ANOVA followed by Tukey's post hoc comparisons)
↵ a p < 0.01 versus 0 or 10 nM.
↵ b p < 0.01 versus 0 or 10 nM; p < 0.05 versus 100 nM.