Journal
CLINICAL IMMUNOLOGY
Volume 187, Issue -, Pages 10-14Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.clim.2017.07.024
Keywords
Mesenchymal stem cells; Hematopoietic stem cells; Renal transplantation; Tolerance; Stem cell therapy
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Tolerance induction (TI) has been attempted with chimerism/clonal deletion. We report results of TI protocol (TIP) using stem cell therapy (SCT) included adipose derived mesenchymal stem cells (AD-MSC) and hematopoietic stem cells (HSC) in 10 living-donor related renal transplantation (LDRT) patients under non-myeloablative conditioning with Bortezomib, Methylprednisone, rabbit-anti-thymoglobulin and Rituximab, without using conventional immunosuppression. Transplantation was performed following acceptable lymphocyte cross-match, flow cross-match, single antigen assay and negative mixed lymphocyte reaction (MLR). Monitoring included serum creatinine (SCr), donor specific antibodies (DSA) and MLR. Protocol biopsies were planned after 100 days and yearly in willing patients. Rescue immunosuppression was planned for rejection/DSA/positive MLR. Over mean 6 +/- 0.37 year follow-up patient survival was 80% and death-censored graft survival was 90%. Mean SCr was 1.44 +/- 0.41 mg/dL. This is the first clinical report of sustained TI in LDRT for 6 years using SCT. (C) 2017 Elsevier Inc. All rights reserved.
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