PMID- 37519536 OWN - NLM STAT- PubMed-not-MEDLINE LR - 20230801 IS - 2168-8184 (Print) IS - 2168-8184 (Electronic) IS - 2168-8184 (Linking) VI - 15 IP - 6 DP - 2023 Jun TI - Angiotensin II Type 1 Receptor Antibody-Mediated Kidney Rejection Unresponsive to Treatment. PG - e41007 LID - 10.7759/cureus.41007 [doi] LID - e41007 AB - Allograft rejection is a significant cause of renal transplant failure which needs prompt diagnosis and treatment for graft salvage. Angiotensin II type 1 receptor antibody-mediated rejection (AT1R-AMR) is increasingly being identified as the etiology of antibody-mediated rejection in kidney transplant recipients with allograft rejection but without detectable human leukocyte antigen (HLA) antibodies. While some reports have suggested that AT1R-AMR may be refractory to standard therapy, others have reported improvement or stabilization of graft function. We present two patients in which anti-rejection therapy including therapeutic plasma exchange was unable to salvage the allograft. CI - Copyright (c) 2023, Allison et al. FAU - Allison, David AU - Allison D AD - Pathology, University of Illinois at Chicago, Chicago, USA. FAU - Hajjiri, Zahraa AU - Hajjiri Z AD - Transplant Nephrology, University of Illinois at Chicago, Chicago, USA. FAU - Manon, Luis AU - Manon L AD - Pathology, University of Illinois at Chicago, Chicago, USA. FAU - Campbell-Lee, Sally AU - Campbell-Lee S AD - Pathology, University of Illinois at Chicago, Chicago, USA. FAU - Sahni, Suhalika AU - Sahni S AD - Pathology, University of Illinois at Chicago, Chicago, USA. FAU - Setty, Suman AU - Setty S AD - Pathology, University of Illinois at Chicago, Chicago, USA. LA - eng PT - Case Reports DEP - 20230626 PL - United States TA - Cureus JT - Cureus JID - 101596737 PMC - PMC10371875 OTO - NOTNLM OT - apheresis therapy OT - at1r antibody OT - kidney allograft OT - non-hla antibody OT - renal transplant rejection OT - therapeutic plasma exchange (tpe) COIS- The authors have declared that no competing interests exist. EDAT- 2023/07/31 06:42 MHDA- 2023/07/31 06:43 PMCR- 2023/06/26 CRDT- 2023/07/31 04:38 PHST- 2023/06/25 00:00 [accepted] PHST- 2023/07/31 06:43 [medline] PHST- 2023/07/31 06:42 [pubmed] PHST- 2023/07/31 04:38 [entrez] PHST- 2023/06/26 00:00 [pmc-release] AID - 10.7759/cureus.41007 [doi] PST - epublish SO - Cureus. 2023 Jun 26;15(6):e41007. doi: 10.7759/cureus.41007. eCollection 2023 Jun.