Skip to main content
. 2014 Mar 4;171(6):1534–1550. doi: 10.1111/bph.12562

Figure 9.

Figure 9

Effects of L-cysteine and SAM on the contraction of duodenal longitudinal muscle strips. (A) and (D) The summarized data of the effects of different concentrations of L-cysteine and SAM on the normalized motility index (R) of the contractions of muscle strips. #P < 0.05 versus control. (B) and (E) The representative recordings of the effects of L-cysteine and SAM on the contraction of muscle strips with or without pretreatment with the blockers, including PAG (0.5 mM), AOAA (0.05 mM), capsazepine (10 μM) and L703606 (10 μM). The horizontal lines indicate the different chemical pretreatments and the arrows indicate L-cysteine or SAM treatment. (C) and (F) The summarized data of the effects of different blockers on the excitatory responses evoked by L-cysteine or SAM. ##P < 0.01 versus NS, *P < 0.05 versus DMSO.