Research Article

Hemin and Zinc Protoporphyrin IX Affect Granisetron Constipating Effects In Vitro and In Vivo

Table 2

Effect of in vitro administration of ZnPPIX alone or in combination with granisetron (G) on the components of EFS response of duodenal preparations.

Treatments ( m)Area under the curve (% SNP) Minimum value (% mean basal tone) Off contraction (% mean basal tone)
3 Hz5 Hz10 Hz3 Hz5 Hz10 Hz3 Hz5 Hz10 Hz

Basal
ZnPPIX 10 0.05 n.s. n.s.
ZnPPIX + G 0.1 n.s. n.s. 0.05
ZnPPIX + G 0.3 n.s. n.s. 0.05
ZnPPIX + G 1 0.05 n.s. 0.05