The muscarinic receptor family expressed in smooth muscle throughout the body is thought to be composed of five subtypes coupling to distinct signaling systems,respectively.The population in smooth muscle is composed ...The muscarinic receptor family expressed in smooth muscle throughout the body is thought to be composed of five subtypes coupling to distinct signaling systems,respectively.The population in smooth muscle is composed of mainly M 2 and M 3 subtypes in a 80% to 20% mixture. The muscarinic receptor, mainly M 3 receptor, play an important role in regulating gastrointestinal smooth muscle contraction. Selective muscarinic M 3 antagonist should have therapeutic utility in the treatment of gastrointestinal disease.展开更多
胃肠道Cajal间质细胞（interstitialcells of Cajal，ICC）被称为胃肠动力的起搏者和调节者，是以刚状结构存在于胃肠道平滑肌层之间的一种特殊间质细胞，不同于平滑肌细胞和神经细胞,但具有神经信息传送给平滑肌细胞的功能，即肠神经...胃肠道Cajal间质细胞（interstitialcells of Cajal，ICC）被称为胃肠动力的起搏者和调节者，是以刚状结构存在于胃肠道平滑肌层之间的一种特殊间质细胞，不同于平滑肌细胞和神经细胞,但具有神经信息传送给平滑肌细胞的功能，即肠神经系统释放的神经递质和肽类物质与ICC上的受体结合，激发ICC去极化，调控胃肠道平滑肌的舒缩功能。展开更多
文摘The muscarinic receptor family expressed in smooth muscle throughout the body is thought to be composed of five subtypes coupling to distinct signaling systems,respectively.The population in smooth muscle is composed of mainly M 2 and M 3 subtypes in a 80% to 20% mixture. The muscarinic receptor, mainly M 3 receptor, play an important role in regulating gastrointestinal smooth muscle contraction. Selective muscarinic M 3 antagonist should have therapeutic utility in the treatment of gastrointestinal disease.
文摘胃肠道Cajal间质细胞（interstitialcells of Cajal，ICC）被称为胃肠动力的起搏者和调节者，是以刚状结构存在于胃肠道平滑肌层之间的一种特殊间质细胞，不同于平滑肌细胞和神经细胞,但具有神经信息传送给平滑肌细胞的功能，即肠神经系统释放的神经递质和肽类物质与ICC上的受体结合，激发ICC去极化，调控胃肠道平滑肌的舒缩功能。
