2017
Tissue-specific exosome biomarkers for noninvasively monitoring immunologic rejection of transplanted tissue
Vallabhajosyula P, Korutla L, Habertheuer A, Yu M, Rostami S, Yuan CX, Reddy S, Liu C, Korutla V, Koeberlein B, Trofe-Clark J, Rickels MR, Naji A. Tissue-specific exosome biomarkers for noninvasively monitoring immunologic rejection of transplanted tissue. Journal Of Clinical Investigation 2017, 127: 1375-1391. PMID: 28319051, PMCID: PMC5373894, DOI: 10.1172/jci87993.Peer-Reviewed Original ResearchConceptsRenal transplantationImmunologic rejectionTransplanted tissueClinical settingBiomarker platformAppearance of hyperglycemiaIslet transplant modelIslet β-cellsDonor exosomesTransplant isletsHLA antibodiesRecipient bloodTransplant modelRecipient circulationXenogeneic modelRecipient plasmaRenal epithelial cellsTransplant tissueHuman isletsΒ-cellsBiomarker potentialTransplantationNoninvasive windowEpithelial cellsExosomal microRNAs
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
2007
Vascularized composite islet-kidney transplantation in a miniature swine model
Vallabhajosyula P, Griesemer A, Yamada K, Sachs DH. Vascularized composite islet-kidney transplantation in a miniature swine model. Cell Biochemistry And Biophysics 2007, 48: 201-207. PMID: 17709890, DOI: 10.1007/s12013-007-0027-4.Peer-Reviewed Original ResearchConceptsThymic tissueIslet equivalentsEnd-stage diabetic nephropathyType I diabetic patientsAllogeneic thymic tissueRecipient body weightLong-term toleranceLong-term survivalMiniature swine modelKidney allograftsMHC barriersDiabetic nephropathyAllogeneic isletsAllogeneic transplantationDiabetic hyperglycemiaDiabetic patientsThymic componentsTreatment regimensPortal veinRenal capsuleOrgan transplantsAutologous isletsMiniature swineTransplantationBody weight