期刊
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
卷 22, 期 16, 页码 -出版社
MDPI
DOI: 10.3390/ijms22168682
关键词
gastrointestinal tract; PACAP; mammals; pathological conditions; physiology
资金
- University of Warmia and Mazury in Olsztyn [15.610.003-300]
Pituitary adenylate cyclase-activating polypeptide (PACAP) is a neuropeptide that is widely distributed in the central nervous system and various peripheral organs, where it plays different regulatory functions and provides a cytoprotective effect. The physiological effects of PACAP are mediated through binding to different G protein-coupled receptors, including PAC1, VPAC1, and VPAC2 receptors. In the gastrointestinal tract, PACAP plays an important role in regulating functions and providing cytoprotection.
Pituitary adenylate cyclase-activating polypeptide (PACAP) is a neuropeptide widely distributed in the central nervous system (CNS) and many peripheral organs, such as the digestive tract, endocrine, reproductive and respiratory systems, where it plays different regulatory functions and exerts a cytoprotective effect. The multifarious physiological effects of PACAP are mediated through binding to different G protein-coupled receptors, including PAC1 (PAC1-R), VPAC1 (VPAC1-R) and VPAC2 (VPAC2-R) receptors. In the gastrointestinal (GI) tract, PACAP plays an important regulatory function. PACAP stimulates the secretion of digestive juices and hormone release, regulates smooth muscle contraction, local blood flow, cell migration and proliferation. Additionally, there are many reports confirming the involvement of PACAP in pathological processes within the GI tract, including inflammatory states, neuronal injury, diabetes, intoxication and neoplastic processes. The purpose of this review is to summarize the distribution and pleiotropic action of PACAP in the control of GI tract function and its cytoprotective effect in the course of GI tract disorders.
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