Transcription profiling of nodose or dorsal root ganglion visceral sensory neurons from mice infected with N. brasiliensis and/or subjected to environmental stress to determine molecular signatures for post-infective visceral chemosensitivity associated with irritable bowel syndrome

ABSTRACT: Background & Aims: Visceral hypersensitivity, a hallmark of irritable bowel syndrome, is generally considered to be mechanosensitive in nature and mediated via spinal afferents. Both stress and inflammation are implicated in visceral hypersensitivity, but the underlying molecular mechanisms of visceral hypersensitivity are unknown.
Methods: Mice were infected with Nippostrongylus brasiliensis (Nb) larvae, exposed to environmental stress and the following separate studies performed 3-4 weeks later. Mesenteric afferent nerve activity was recorded in response to either ramp balloon distension (60 mmHg), or to an intraluminal perfusion of hydrochloric acid (50 mM), or to octreotide administration (2 µM). Intraperitoneal injection of cholera toxin B-488 identified neurons projecting to th

ORGANISM(S): Mus musculus

SUBMITTER: Pieter Peeters 

PROVIDER: E-JJRD-1 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress