Physiology and pathophysiology of the interstitial cell of Cajal: From bench to bedside - III. Interaction of interstitial cells of Cajal with neuromediators: an interim assessment

被引:29
作者
Daniel, EE [1 ]
机构
[1] Univ Alberta, Dept Pharmacol, Edmonton, AB T6G 2H7, Canada
来源
AMERICAN JOURNAL OF PHYSIOLOGY-GASTROINTESTINAL AND LIVER PHYSIOLOGY | 2001年 / 281卷 / 06期
关键词
intestinal pacemaking; intestinal neurotransmission; nitric oxide; acetylcholine; substance P;
D O I
10.1152/ajpgi.2001.281.6.G1329
中图分类号
R57 [消化系及腹部疾病];
学科分类号
摘要
Interstitial cells of Cajal (ICC) control gastrointestinal motility; some pace slow waves and others act in enteric neurotransmission. This review asks the question, does either class of ICC receive and respond to messages carried by neuromediators from these nerves? Relevant evidence includes the presence of receptors or responses to exogenous neuromediators and responses to endogenous neuromediators. Some pacemaking ICC networks have receptors for or respond to some exogenous neuromediators. None is known to respond to endogenous neuromediators. Intramuscular ICC have receptors for and respond to some neuromediators and are required in mice for responses to the exogenous and endogenous neuromediators nitric oxide and acetylcholine. The mechanisms underlying this requirement remain unclear. ICC pathologies exist, but their origins are unknown.
引用
收藏
页码:G1329 / G1332
页数:4
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