showed a trendp = 0.08
Consistently, HPLC determination of 5-HT levels in spinal cord extracts showed a trend toward higher caudal-to-rostral 5-HT concentrations in bPAC animals compared to control (0.51 ± 0.27vs.0.14 ± 0.11 μM/mg protein, respectively; p = 0.08, Mann–Whitney test, Fig. 5G ).