2021
Serotonin as a Mitogen in the Gastrointestinal Tract: Revisiting a Familiar Molecule in a New Role
Shah PA, Park CJ, Shaughnessy MP, Cowles RA. Serotonin as a Mitogen in the Gastrointestinal Tract: Revisiting a Familiar Molecule in a New Role. Cellular And Molecular Gastroenterology And Hepatology 2021, 12: 1093-1104. PMID: 34022423, PMCID: PMC8350061, DOI: 10.1016/j.jcmgh.2021.05.008.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsEnteric nervous systemSerotonin receptorsGI tractPotentiation of serotoninInflammatory bowel diseaseVascular smooth muscleIntestinal epithelial proliferationIntestinal crypt cellsBody's serotoninMalabsorptive conditionsIntestinal injuryEnteric neuronsIntestinal motilityBowel diseaseIntestinal inflammationEnterochromaffin cellsGI diseaseSerotonergic neuronsMuscarinic receptorsCholinergic signalingSerotonin synthesisGastrointestinal systemGastrointestinal tractIntestinal mucosaSmooth muscle
2016
Enhanced serotonin signaling increases intestinal neuroplasticity
Greig CJ, Gandotra N, Tackett JJ, Bamdad MC, Cowles RA. Enhanced serotonin signaling increases intestinal neuroplasticity. Journal Of Surgical Research 2016, 206: 151-158. PMID: 27916355, DOI: 10.1016/j.jss.2016.07.021.Peer-Reviewed Original ResearchConceptsSelective serotonin reuptake inhibitorsIntestinal mucosal growthSERT knockoutMucosal growthEnterocyte proliferationEnteric nervous systemSerotonin reuptake inhibitorsMassive bowel resectionSerotonin reuptake transporterAge-matched WTGAP-43 expressionWild-type miceSynthesis inhibitionMarkers of neuroplasticityImportant regulatorReversal of effectsEpithelial cell compartmentWestern blot analysisBowel resectionReuptake inhibitorsWT miceReuptake transporterMucosal homeostasisIntestinal segmentsCrypt depth
2004
Sphingosine-1-phosphate mediates calcium signaling in guinea pig enteroglial cells
Segura BJ, Zhang W, Xiao L, Turner D, Cowles RA, Logsdon C, Mulholland MW. Sphingosine-1-phosphate mediates calcium signaling in guinea pig enteroglial cells. Journal Of Surgical Research 2004, 116: 42-54. PMID: 14732348, DOI: 10.1016/s0022-4804(03)00281-6.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBiological TransportCalciumCalcium ChannelsCalcium SignalingCulture TechniquesDose-Response Relationship, DrugDrug Administration ScheduleEnzyme ActivationGuinea PigsImmunohistochemistryInositol 1,4,5-Trisphosphate ReceptorsLysophospholipidsMyenteric PlexusNeurogliaPertussis ToxinReceptors, Cytoplasmic and NuclearReceptors, G-Protein-CoupledRNA, MessengerSphingolipidsSphingosineType C PhospholipasesConceptsSignal transduction cascadeEnteric nervous systemEnteric gliaLipid lysophosphatidic acidMajor cell typesRT-PCR analysisTransduction cascadeGlial cellsNervous systemEDG-1Trisphosphate receptorCalcium signalingLysophosphatidic acidCell typesExtracellular receptorsPhospholipase CEdg-3Enteric glial cellsBioactive lipidsEdg-5S1P effectsSphingomyelin metabolitesDigestive activityImmunocytochemical analysisEnteric neurons