2021
Circulating Donor Lung-specific Exosome Profiles Enable Noninvasive Monitoring of Acute Rejection in a Rodent Orthotopic Lung Transplantation Model
Habertheuer A, Ram C, Schmierer M, Chatterjee S, Hu R, Freas A, Zielinski P, Rogers W, Silvestro EM, McGrane M, Moore JS, Korutla L, Siddiqui S, Xin Y, Rizi R, Tao J, Kreisel D, Naji A, Ochiya T, Vallabhajosyula P. Circulating Donor Lung-specific Exosome Profiles Enable Noninvasive Monitoring of Acute Rejection in a Rodent Orthotopic Lung Transplantation Model. Transplantation 2021, 106: 754-766. PMID: 33993180, DOI: 10.1097/tp.0000000000003820.Peer-Reviewed Original ResearchConceptsAcute rejectionDonor exosomesExosome profileSyngeneic controlsRat orthotopic lung transplant modelChronic lung allograft dysfunctionOrthotopic lung transplantation modelLung transplant modelPosttransplant time pointsAcute rejection episodesLung allograft dysfunctionLung transplant patientsLung transplant rejectionLung transplantation modelEarly therapeutic interventionMajor risk factorTime-sensitive diagnosisDevelopment of biomarkersAllograft dysfunctionRejection episodesLewis recipientsTransplant patientsPulmonary allograftsRecipient bloodAllogeneic grafts
2020
Circulating Donor Heart Exosome Profiling Enables Noninvasive Detection of Antibody-mediated Rejection
Hu RW, Korutla L, Reddy S, Harmon J, Zielinski PD, Bueker A, Molina M, Romano C, Margulies K, McLean R, Lal P, Vallabhajosyula P. Circulating Donor Heart Exosome Profiling Enables Noninvasive Detection of Antibody-mediated Rejection. Transplantation Direct 2020, 6: e615. PMID: 33134491, PMCID: PMC7575166, DOI: 10.1097/txd.0000000000001057.Peer-Reviewed Original ResearchAntibody-mediated rejectionDonor exosomesEndomyocardial biopsyDonor heartsHuman leukocyte antigen (HLA) IHLA-I antibodiesRejection episodesTransplanted heartsComplement depositionI antibodiesPatientsClinical settingMRNA expressionAntigen IRejection typeTissue levelsI specificityProtein expressionTime pointsGold standardNoninvasive detectionAntibodiesTroponin proteinsBiopsyExosomes
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