2011
Composite Islet-Kidneys From Single Baboon Donors Cure Diabetes Across Fully Allogenic Barriers
Yamada K, Hirakata A, Tchipashvili V, Shimizu A, Iwaki H, Griesemer A, Vallabhajosyula P, Moran S, Sachs DH. Composite Islet-Kidneys From Single Baboon Donors Cure Diabetes Across Fully Allogenic Barriers. American Journal Of Transplantation 2011, 11: 2603-2612. PMID: 21929644, PMCID: PMC3226882, DOI: 10.1111/j.1600-6143.2011.03733.x.Peer-Reviewed Original ResearchConceptsInsulin therapyFree isletsRenal capsuleEnd-stage diabetic nephropathyNonhuman primate modelPotential clinical applicabilityImmunosuppressive regimenAllogeneic barriersTotal pancreatectomyDiabetic nephropathyFBS levelsDiabetic hyperglycemiaPrimate modelPartial pancreatectomyDonor isletsMiniature swineNormal rangePotential cureGlucose regulationClinical applicabilityIsletsPancreatectomyTherapyIKsRecipientsQuantification of Baboon Thymopoiesis in Porcine Thymokidney Xenografts by the Signal-Joining T-Cell Receptor Excision Circle Assay
Tena A, Vallabhajosyula P, Hawley RJ, Griesemer A, Yamada K, Sachs DH. Quantification of Baboon Thymopoiesis in Porcine Thymokidney Xenografts by the Signal-Joining T-Cell Receptor Excision Circle Assay. Transplantation 2011, 91: 639-644. PMID: 21285918, PMCID: PMC3255479, DOI: 10.1097/tp.0b013e31820b6b52.Peer-Reviewed Original ResearchConceptsThymic tissueT cellsPeripheral bloodSjTREC levelsT-cell receptor excision circlesPeripheral blood mononuclear cellsPeripheral T cell poolT-cell receptor gene rearrangementsMemory T cellsT cell poolBlood mononuclear cellsNaïve T cellsReceptor gene rearrangementsQuantitative PCRDiscordant pigNative thymusThymic biopsiesGraft survivalKidney transplantPolymerase chain reaction analysisExcision circlesMononuclear cellsSurgical removalChain reaction analysisXenogeneic barriers
2009
In Vivo Imaging of Autologous Islet Grafts in the Liver and Under the Kidney Capsule in Non-Human Primates
Medarova Z, Vallabhajosyula P, Tena A, Evgenov N, Pantazopoulos P, Tchipashvili V, Weir G, Sachs D, Moore A. In Vivo Imaging of Autologous Islet Grafts in the Liver and Under the Kidney Capsule in Non-Human Primates. Transplantation 2009, 87: 1659-1666. PMID: 19502957, PMCID: PMC2746764, DOI: 10.1097/tp.0b013e3181a5cbc0.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsApoptosisContrast MediaDextransFerrosoferric OxideInsulinInsulin SecretionIronIslets of Langerhans TransplantationKidneyLiver TransplantationMagnetic Resonance ImagingMagnetite NanoparticlesOxidesPancreatectomyPapioSubrenal Capsule AssayTransplantation, AutologousTransplantation, HeterologousConceptsMagnetic resonance imagingSuperparamagnetic iron oxide contrast agentIslet graftsIron oxide contrast agentNon-human primatesRenal subcapsular islet graftsNon-human primate modelIslet graft survivalVivo magnetic resonance imagingIntrahepatic graftsGraft survivalPosttransplantation periodKidney capsuleIslet transplantationPrimate modelRenal capsulePartial pancreatectomyLiver parenchymaContrast agentsDay 1Drug AdministrationIslet labelingClinical situationsHuman isletsResonance imaging