2017 American Transplant Congress
Donor-Derived Cell-Free DNA Parallels Increases in Donor Specific Antibodies in Pediatric Kidney Transplant Recipients.
1Surgery, Stanford University, Palo Alto, CA; 2CareDx, Brisbane, CA
Introduction: Anti-HLA antibody screening is a critical component of post-kidney transplant surveillance. Existing protocols and treatment plans are not standard/consistent across institutions. As increasing numbers…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
CD8+ TAb-supp Cells Suppress the Production of Multiple Alloantibody Isotypes in Response to MHC-Mismatched Cellular and Vascularized Allografts.
Surgery, The Ohio State University Wexner Medical Center, Columbus, OH
We have reported that a CD8+ T cell subset, we termed CD8+ TAb-supp cells, inhibits the production of alloAb after hepatocyte transplant (HcTx) in part…2017 American Transplant Congress
De Novo DSA Positivity Is Associated with a Higher Rate of Post-Transplant Bacterial and Viral Infections.
Background: BK viremia has been shown to correlate with de novo anti-HLA DSA (dnDSA) in renal transplant patients. However, it is unknown if and how…2017 American Transplant Congress
Long-Term Persistence of Anti-HLA Antibodies in Renal Trasplant Recipients: Risk Factors and Impact on Clinical Course.
Objectives:1) To evaluate the incidence of development of anti-HLA antibodies on the long run in our renal transplant population and the main risk factors for…2017 American Transplant Congress
Assessment of C4d Positive Biopsies with No Histological Evidence of Inflammation Using Nanostring nCounter Technology.
Deposition of C4d has been an established part of the Banff classification scheme for antibody mediated rejection (AbMR) since 2001. More recently, C4d negative AbMR…2017 American Transplant Congress
Reduced Conversion from IgM Anti-HLA-DSA to IgG Anti-HLA-DSA in Belatacept-Treated vs. Cyclosporine-Treated Patients in BENEFIT and BENEFIT-EXT Trials.
Post-transplant, up to 50% of recipients develop IgM DSA. Half of these patients go on to develop IgG DSA. Importantly, patients that progress to IgG…2017 American Transplant Congress
IgM Immunotherapy Restores Immune Homeostasis in Type 1 Diabetes.
Goal: To determine the mechanism(s) by which IgM immunotherapy restores immune homeostasis in Type 1 Diabetes (T1D).Background: IgM immunotherapy prevents the onset and progression of…2017 American Transplant Congress
IgG Antibody Subclasses in Potential Renal Transplant Recipients with DSA, AHG-CDC CxM Negative and FxM Positive or Negative with Their Potential Donors.
Background. In kidney transplant recipients, IgG3 and IgG4 DSA have been associated with shorter time to acute AMR and with later allograft injury (glomerulopathy &…2017 American Transplant Congress
De Novo Malignancy Occurrence After Kidney Transplantation in HLA-Sensitized Patients Treated with B-Cell Targeting Therapy.
Management of high risk transplantations in patients with preformed DSA still remains a dilemma. Many groups propose to increase the immunosuppression in these patients by…
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