생쥐 소장 카할세포 조절에 발효 연근의 효능 연구

초록

Obejectives : The purpose of this study is to find out the efficacy of pacemaker potentials of interstitial Cells of Cajal (ICC) by Fermented Lotus Root (FLR) in small intestine. Methods : Enzyme digestions were used to separate the ICC. Using electrophysiological methods, pacemaker potentials were measured and intestinal transit rates (ITR) experiments were conducted to identify in vivo gastrointestinal motility. Results : 1. FLR (0.5-10 mg/ml) caused membrane depolarization by electrophysiological methods. 2. In the case of pretreatment with a Ca2+ free solution and thapsigargin, the pacemaker potential disappeared and in this case, FLR did not have a membrane depolarization reaction. 3. Lowering the concentration of extracellular Na+ concentration stoped the pacemaker potentials and inhibited the reaction caused by FLR. Flufenamic acid also inhibited the reaction by FLR. 4. In mice, ITR was increased by FLR. Conclusions : This study shows that FLR can control ICC by an internal/external Ca2+ and Na+. It also shows that FLR can be a good candidate for gastrointestinal motility medication development.

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