2019
The calcium‐sensing receptor: A novel target for treatment and prophylaxis of neratinib‐induced diarrhea
Lysyy T, Lalani AS, Olek EA, Diala I, Geibel JP. The calcium‐sensing receptor: A novel target for treatment and prophylaxis of neratinib‐induced diarrhea. Pharmacology Research & Perspectives 2019, 7: e00521. PMID: 31523434, PMCID: PMC6743423, DOI: 10.1002/prp2.521.Peer-Reviewed Original ResearchConceptsTyrosine kinase inhibitorsCaSR activationCalcium-sensing receptorDose-dependent mannerFluid secretionRat intestineHER2-positive breast cancerKinase inhibitorsAdverse effectsChemotherapy-associated diarrheaNeratinib-induced diarrheaCommon side effectsIsolated intestinal segmentsPotent therapeutic targetIrreversible panPatients' qualityBreast cancerIntestinal segmentsSide effectsTherapeutic targetDiarrheaPronounced elevationIntraluminal calcium concentrationVivo modelNeratinib
2018
Activation of the Calcium Sensing Receptor (casr) Prevents Secretagogue-Induced Diarrhea in the Rat Small Intestine
Finotti M, Lysyy T, Caturegli G, Barahona M, Maina R, D'Amico F, Mulligan D, Geibel J. Activation of the Calcium Sensing Receptor (casr) Prevents Secretagogue-Induced Diarrhea in the Rat Small Intestine. Transplantation 2018, 102: s669. DOI: 10.1097/01.tp.0000543607.00911.f4.Peer-Reviewed Original ResearchOral rehydration solutionSmall intestineColon segmentsIntestinal secretionNumerous body tissuesSeverity of diarrheaDistal small intestineMale Sprague-DawleyCalcium-sensing receptorDistal portionLuminal calcium concentrationRat small intestineAbsence of forskolinCalcium perfusionProphylactic therapyAntibiotic therapyLeading causePotent secretagogueRehydration solutionSprague-DawleyElectrolyte homeostasisDiarrheaPotential treatmentSecretion profileAbsorption of fluid
2010
Toxin Mediated Diarrhea in the 21st Century: The Pathophysiology of Intestinal Ion Transport in the Course of ETEC, V. cholerae and Rotavirus Infection
Kopic S, Geibel JP. Toxin Mediated Diarrhea in the 21st Century: The Pathophysiology of Intestinal Ion Transport in the Course of ETEC, V. cholerae and Rotavirus Infection. Toxins 2010, 2: 2132-2157. PMID: 22069677, PMCID: PMC3153279, DOI: 10.3390/toxins2082132.Peer-Reviewed Original ResearchConceptsEpisodes of diarrheaIntestinal ion transportSpecific therapeutic approachesMajor healthcare concernRotavirus infectionTherapeutic approachesV. choleraeCommon enterotoxinInfectious agentsPathophysiological processesInfectious diseasesDiarrheaHealthcare concernCellular mechanismsLethal effectsPathophysiologyYearsInfectionCholeraeRotavirusDiseaseETECEvidence for intestinal chloride secretion
Murek M, Kopic S, Geibel J. Evidence for intestinal chloride secretion. Quarterly Journal Of Experimental Physiology And Cognate Medical Sciences 2010, 95: 471-478. PMID: 20233891, DOI: 10.1113/expphysiol.2009.049445.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsChloride ChannelsChloridesCLC-2 Chloride ChannelsCystic Fibrosis Transmembrane Conductance RegulatorDiarrheaEnterocytesHumansIntestinal AbsorptionIntestinal MucosaIntestinal SecretionsPotassium ChannelsSodium-Potassium-Chloride SymportersSodium-Potassium-Exchanging ATPaseTight JunctionsWater-Electrolyte Balance
2009
S2062 Reversal of Osmotic Diarrhea Through Activation of the Rat Ileal Calcium Sensing Receptor (CaSR)
Ballwieser D, Joseph R, Sauter M, Geibel J. S2062 Reversal of Osmotic Diarrhea Through Activation of the Rat Ileal Calcium Sensing Receptor (CaSR). Gastroenterology 2009, 136: a-322-a-323. DOI: 10.1016/s0016-5085(09)61477-3.Peer-Reviewed Original Research
2006
Calcium-sensing receptor abrogates secretagogue- induced increases in intestinal net fluid secretion by enhancing cyclic nucleotide destruction
Geibel J, Sritharan K, Geibel R, Geibel P, Persing JS, Seeger A, Roepke TK, Deichstetter M, Prinz C, Cheng SX, Martin D, Hebert SC. Calcium-sensing receptor abrogates secretagogue- induced increases in intestinal net fluid secretion by enhancing cyclic nucleotide destruction. Proceedings Of The National Academy Of Sciences Of The United States Of America 2006, 103: 9390-9397. PMID: 16760252, PMCID: PMC1475505, DOI: 10.1073/pnas.0602996103.Peer-Reviewed Original ResearchConceptsCalcium-sensing receptorCholera toxinFluid secretionNet fluid secretionSecretagogue-induced increasesIntestinal fluid transportCaSR agonistsSecretagogue actionUnique therapyCaSR signalingSecretory actionSecretory diarrheaReceptor activationIntestinal tractEpithelial cellsEnterotoxin STaReceptorsCyclic nucleotidesSecretionExtracellular milieuDiverse cellsToxinActivationCellsDiarrhea
2005
Bicarbonate Secretion
Binder HJ, Rajendran V, Sadasivan V, Geibel JP. Bicarbonate Secretion. Journal Of Clinical Gastroenterology 2005, 39: s53-s58. PMID: 15758660, DOI: 10.1097/01.mcg.0000155521.81382.3a.Peer-Reviewed Original Research