Fig. 5From: In vitro fertilization with frozen embryo transfer increased histamine-mediated contractile sensitivity via PKCβ in human umbilical veinRole of phenylephrine and PKC in regulating vessel tone of HUV (A) The contractile responses to histamine with or without GF109203X (pan PKC inhibitor, GF, 10− 6 mol/L). (B) PDBu-mediated contraction in HUV. (C) Phenylephrine (PE)-induced constriction in HUV. (D-E) The mRNA and protein expressions of PKC (α and β). Intra-group comparison, *, p < 0.05; ***, p < 0.001; ****, p < 0.0001. Inter-group comparison, #, p < 0.05; ##, p < 0.01Back to article page