2017 American Transplant Congress
Combining Neural Stem Cell Transplantation with Mixed Hematopoietic Chimerism Promotes Restoration of Self-Tolerance in Established Experimental Autoimmune Encephalomyelitis.
Surgery, Massachusetts General Hospital, Boston, MA
Multilineage mixed hematopoietic chimerism induces tolerance to alloantigens in rodents, large animals and kidney-transplanted patients. Here we combined mixed chimerism with neural stem cell (NSC)…2017 American Transplant Congress
Apoptotic Exosome-Like Vesicles Released During Tissue Injury Trigger IL23/IL-17 Autoimmune Axis and Accelerate Rejection.
Autoantibodies to apoptotic antigens, such as perlecan/LG3, are present pre-transplantation and contribute to organ rejection. We previously showed that during tissue injury, apoptotic endothelial cells…2017 American Transplant Congress
Non-Human Primate Auto-Immune Responses to Col V, Kα-1Tubulin and Vimentin Are P2X7R Dependent.
1Surgery, University of Wisconsin, Madison, WI; 2Medicine, University of Wisconsin, Madison, WI
Background: Auto-immune responses to Collagen type V (ColV) have been associated with coronary artery disease and lung or heart transplant rejection in humans and murine…2017 American Transplant Congress
Predictive Value of Serum Biomarkers of Autoimmunity for Recurrence of IgA Nephropathy After Kidney Transplantation.
The recurrence of IgA nephropathy (IgAN) after kidney transplantation is frequent and can cause graft losses. The prediction of the recurrence cannot be performed from…2017 American Transplant Congress
HLA, ANA, and ANCA Negative Vasculitis in Lung Transplantation Due to Overexpression of α1 Collagen V.
The mechanism of fibrosing vasculopathy in lung allograft is poorly understood. A 58 year old man received a bilateral lung transplant for interstitial lung disease.…2017 American Transplant Congress
Recognition of Islet Xenografts In Vivo by Non-Obese Diabetic (NOD) Insulin-Specific CD4 T Cells.
Surgery and Immunology, University of Colorado Denver, Aurora, CO
Xenogeneic islet transplantation has been one ongoing goal for treating autoimmune Type 1 diabetes. Autoimmune diabetes involves a T cell response restricted to the host…2017 American Transplant Congress
Detection of Specific B Cell Memory to the Perlecan LG3 Antigen in the Normal Immune Repertoire.
Autoantibodies targeting the C-terminal fragment of perlecan (LG3) were identified in patients with kidney transplantation and are associated with rejection episodes. High anti-LG3 titers were…2017 American Transplant Congress
Antibody Mapping by Protein Microarray Revealed a Unique Repertoire in Lung Transplant Recipients That Developed Chronic Lung Allograft Dysfunction.
Background: Development of chronic lung allograft dysfunction (CLAD) limits long-term success from lung transplantation (LTx). Elicitation of de novo antibody (Ab) to mismatched donor HLA…2017 American Transplant Congress
False-Positive Flow Cytometric Crossmatch Results and the Utility of the Virtual Crossmatch.
Pathology, University of Chicago Medicine, Chicago, IL
Introduction: A negative crossmatch (XM) is critical for solid organ allocation. Flow cytometric XM (FCXM) is more sensitive than complement-dependent cytotoxicity XM (CDC-XM), and has…2017 American Transplant Congress
Circulating Exosomes Isolated from Human Lung Transplant Recipients with Rejection Are Immunogenic and Induce Antibodies to Lung Associated Self-Antigens, Kα1 Tubulin and Collagen-V.
Norton Thoracic Institute, St. Joseph's Hospital and Med Center, Phoenix
Background: Exosomes isolated from acute and chronic rejections in lung transplant recipients (LTxR) demonstrated surface expression of mismatched donor human leukocyte antigen and lung associated…
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