2022
L-ARGININE PREVENTS ISCHEMIC INJURY IN EXPLANTED RAT INTESTINAL REGIONS IN AN EX VIVO PERFUSION MODEL
Finotti M, Barahona M, Maina R, Lysyy T, Agarwal R, Schmitt P, Caturegli G, Di Renzo C, Anselmo A, Mulligan D, Geibel J, D'Amico F. L-ARGININE PREVENTS ISCHEMIC INJURY IN EXPLANTED RAT INTESTINAL REGIONS IN AN EX VIVO PERFUSION MODEL. Transplantation Reports 2022, 7: 100096. DOI: 10.1016/j.tpr.2022.100096.Peer-Reviewed Original ResearchIschemic injuryIntestinal segmentsIschemic damageIntraluminal perfusionNitric oxide-arginine pathwayMale Sprague-Dawley ratsN-nitroarginine methyl esterSprague-Dawley ratsEx vivo perfusion modelVivo perfusion modelNon-ischemic conditionsSmall intestinal segmentsFITC-inulinExtraluminal sideL-NAMEReperfusion injuryProtective effectL-arginineSmall intestinePerfusion modelInjuryIntestinal regionsFluid secretionReduced susceptibilityPerfusion
2020
Hydrogel‐based 3D bioprints repair rat small intestine injuries and integrate into native intestinal tissue
Maina RM, Barahona MJ, Geibel P, Lysyy T, Finotti M, Isaji T, Wengerter B, Mentone S, Dardik A, Geibel JP. Hydrogel‐based 3D bioprints repair rat small intestine injuries and integrate into native intestinal tissue. Journal Of Tissue Engineering And Regenerative Medicine 2020, 15: 129-138. PMID: 33197151, DOI: 10.1002/term.3157.Peer-Reviewed Original ResearchConceptsIntestinal segmentsPost-operative day 7Male Sprague-Dawley ratsMale Wistar ratsSmall intestine injurySprague-Dawley ratsNative intestineBlinded histopathological analysisIntestinal failureStool outputNative intestinal tissueIntestine injuryIntraluminal perfusionRat vascular cellsHistopathological analysisIleocecal junctionWistar ratsIntestinal integrityIntestinal tissueDay 7Small intestineGenetic malformationsNormal activityWeight gainEnterotomy
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
2017
Modulation of Intestinal Microbiome Prevents Intestinal Ischemic Injury
Bertacco A, Dehner CA, Caturegli G, D'Amico F, Morotti R, Rodriguez MI, Mulligan DC, Kriegel MA, Geibel JP. Modulation of Intestinal Microbiome Prevents Intestinal Ischemic Injury. Frontiers In Physiology 2017, 8: 1064. PMID: 29311987, PMCID: PMC5742259, DOI: 10.3389/fphys.2017.01064.Peer-Reviewed Original ResearchIschemic injuryIntestinal ischemiaProtective effectIntestinal ischemic injuryLight-level microscopyEosin-stained sectionsLactate administrationAntibiotic treatmentIschemic protectionIntestinal barrierLactate perfusionRat modelIntestinal microbiomeIntestinal preservationIntestinal segmentsIschemic cellsSmall intestineInert sugarsInjuryIschemiaPerfusionEpithelium morphologySecretionPerfusion deviceFITC-inulin
2013
Activation of AMPK Inhibits Cholera Toxin Stimulated Chloride Secretion in Human and Murine Intestine
Rogers AC, Huetter L, Hoekstra N, Collins D, Collaco A, Baird AW, Winter DC, Ameen N, Geibel JP, Kopic S. Activation of AMPK Inhibits Cholera Toxin Stimulated Chloride Secretion in Human and Murine Intestine. PLOS ONE 2013, 8: e69050. PMID: 23935921, PMCID: PMC3728293, DOI: 10.1371/journal.pone.0069050.Peer-Reviewed Original ResearchConceptsIntestinal chloride secretionCholera toxinChloride secretionPharmacological activationFluid accumulationColonic cryptsSupplemental treatment strategyAcute diarrheal illnessChloride effluxCystic fibrosis transmembrane conductance regulatorExcised intestinal segmentsRat colonic cryptsMurine colonic mucosaMucosal sheetsDiarrheal illnessIntestinal loopsEnterotoxigenic diarrheaColonic mucosaTreatment strategiesIntestinal segmentsUssing chambersAMPK activator AICARMurine intestineTissue levelsMetformin