title: Importance of NO and its related compounds in enteric nervous system regulation of gut homeostasis and disease susceptibility.
abstract: Nitric oxide (NO) produced by the enteric nervous system represents an important regulatory mechanism in gut homeostasis. Aberrant NO signaling contributes significantly toward enteric disease by altering gut motility, vascular tone, blood supply, mucosal barrier function, secretions and immunity. Consequently, there is much interest in therapeutically targeting NO production and its bioactive intermediates. This article highlights recent advances in NO signaling and therapeutics as it relates to the gastrointestinal tract and its associated NO producing microbiota. Because of its limited scope, a particular emphasis is placed on S-nitrosylation as the emerging physiologic mechanism for NO signal transduction, and how such signals are modulated by other gaseous transmitters - notably hydrogen disulfide and carbon monoxide - that are produced by the enteric nervous system and share common molecular targets. Recent findings also indicate that druggable regulators of S-nitrosylation, for example S-nitrosoglutathione (GSNO) reductase, provide for a superior pharmacology and finer therapeutic control over classical NO donors, and may be better suited for oral delivery to the gastrointestinal tract.
authors.affiliation: Department of Pathology and Immunology, Baylor College of Medicine, Houston, TX, USA; Texas Children's Microbiome Center, Texas Children's Children Hospital, Houston, TX, USA. Electronic address: tor.savidge@bcm.edu.
authors.forename: Tor C
authors.initials: TC
authors.lastname: Savidge
mesh_terms: D000818:Animals; D004198:Disease Susceptibility; D017615:Enteric Nervous System / Q000378:metabolism*; D041981:Gastrointestinal Tract / Q000294:innervation / Q000378:metabolism*; D006706:Homeostasis; D006801:Humans; D009569:Nitric Oxide / Q000378:metabolism*
chemical_list: D009569:Nitric Oxide
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