2018
Donor tissue-specific exosome profiling enables noninvasive monitoring of acute rejection in mouse allogeneic heart transplantation
Habertheuer A, Korutla L, Rostami S, Reddy S, Lal P, Naji A, Vallabhajosyula P. Donor tissue-specific exosome profiling enables noninvasive monitoring of acute rejection in mouse allogeneic heart transplantation. Journal Of Thoracic And Cardiovascular Surgery 2018, 155: 2479-2489. PMID: 29499866, DOI: 10.1016/j.jtcvs.2017.12.125.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsExosomesGraft RejectionHeart TransplantationHistocompatibility TestingMiceMice, Inbred BALB CMice, Inbred C57BLTissue DonorsTransplantation, HomologousConceptsEarly acute rejectionDonor heartsAcute rejectionHeart transplantationStudy armsImmunologic rejectionMaintenance armHeterotopic heart transplantation modelAllogeneic heart transplantationTime pointsHeart transplantation modelHeterotopic heart transplantationAbsence of rejectionNovel biomarker platformDevelopment of biomarkersNoninvasive monitoringTransplant heartCardiac allograftsImmunocompetent recipientsAllograft monitoringImmunodeficient recipientsRecipient circulationTransplantation modelDay 1Total plasma
2015
Monitoring of Allogeneic Islet Grafts in Nonhuman Primates Using MRI
Wang P, Schuetz C, Vallabhajosyula P, Medarova Z, Tena A, Wei L, Yamada K, Deng S, Markmann JF, Sachs DH, Moore A. Monitoring of Allogeneic Islet Grafts in Nonhuman Primates Using MRI. Transplantation 2015, 99: 1574-1581. PMID: 25806407, PMCID: PMC4551574, DOI: 10.1097/tp.0000000000000682.Peer-Reviewed Original ResearchMeSH KeywordsAcute DiseaseAnimalsBiomarkersBlood GlucoseContrast MediaDextransDisease Models, AnimalGraft RejectionImmunosuppressive AgentsIslets of LangerhansIslets of Langerhans TransplantationMagnetic Resonance ImagingMagnetite NanoparticlesMaleOrgan SizePapio hamadryasPredictive Value of TestsStreptozocinTime FactorsTransplantation, HomologousConceptsGraft volumeIslet graftsBlood glucosePancreatic isletsNonhuman primatesAcute graft lossAllogeneic immune rejectionAllogeneic islet graftsWithdrawal of immunosuppressionPancreatic islet graftsVivo MRIGraft lossAllogeneic isletsGraft monitoringTreatment optionsIslet lossIslet transplantationRenal capsuleAllogeneic modelAutologous modelImmune rejectionMRISecondary damageImmunosuppressionIslets
2013
Assessing the Effect of Immunosuppression on Engraftment of Pancreatic Islets
Vallabhajosyula P, Hirakata A, Shimizu A, Okumi M, Tchipashvili V, Hong H, Yamada K, Sachs DH. Assessing the Effect of Immunosuppression on Engraftment of Pancreatic Islets. Transplantation 2013, 96: 372-378. PMID: 23883972, PMCID: PMC3786704, DOI: 10.1097/tp.0b013e31829f7515.Peer-Reviewed Original ResearchConceptsTriple-drug immunosuppressionIslet functionAllogeneic islet cell transplantationExperimental animalsLong-term islet functionTriple-drug immunosuppressive regimenIntravenous glucose tolerance testEquivalent glycemic controlEffect of immunosuppressionGlucose tolerance testNormal glucose regulationIslet cell transplantationVivo large animal modelLong-term functionIslet equivalents/Large animal modelImmunosuppressive regimenIslet doseImmunologic factorsRecipient weightEngrafted isletsGlycemic controlMinor histocompatibilityImmunosuppressive drugsCell transplantation
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 applicabilityIsletsPancreatectomyTherapyIKsRecipients