Fig. 2From: The role of Piper chaba Hunt. and its pure compound, piperine, on TRPV1 activation and adjuvant effectCalcium influx responses into TRPV1-expressing HEK cells or T-REx HEK cells. The cells were treated with various concentration of capsaicin (a), piperine (b) or P. chaba extract (c). The values represent percent response relative to that treated with 5 μM ionomycin. Data are mean ± SEM (n = 2)Back to article page