2018 American Transplant Congress
Immuoadsorption-Based Desensitization in Highly Sensitized Patients Awaiting Deceased Donor Kidney Transplantation.
Urgences Néphrologiques et Transplantation Rénale, Tenon Hospital, APHP, Paris, France.
An estimated 30% of patients on the waiting list are deemed highly sensitized due to preexisting anti-HLA antibodies often irrevocably precluding kidney transplantation (KT). Immunoadsorption…2018 American Transplant Congress
Analysis of Circulating CD38+/CD138+ Plasma Cells during Development of De Novo Donor Specific Antibody Responses
CTC/Surgery, Cedars-Sinai Medical Center, Los Angeles, CA.
Purpose: Donor specific antibodies (DSA) that emerge following transplantation are indicative of allogenic sensitization and a predisposing factor for antibody mediated rejection. Though various methods…2018 American Transplant Congress
De Novo DSA against Third Party Extension Vessels Used in Kidney and Pancreas Transplantation
University of Wisconsin, Madison.
Third party ABO-compatible vessel allografts (VA) are sometimes used as extension vessels for kidney and pancreas transplants (TX). The frequency and implications of de novo…2018 American Transplant Congress
Pre-Emptive Rituximab and Intravenous Immunoglobulin (IVIg) Fail to Prevent Rejection in Kidney Transplant Recipients (KTx) with Donor Specific Antibodies (DSA)
Columbia University, New York, NY.
Introduction:IVIg and Rituximab have been used successfully to improve transplantation rates in sensitized patients. DSA detected by Flow crossmatch (FXM+) or Luminex® at time of…2018 American Transplant Congress
Circulating T Follicular Helper Cells Expand Following Transplantation and Exhibit a CD44hi Phenotype That Correlates with Peak Germinal Center Alloreactivity
Emory Transplant Center, Atlanta.
It is increasingly well-recognized that donor-specific antibodies (DSA) play a significant role in the development of chronic rejection and fibrosis that contribute to late renal…2018 American Transplant Congress
RNA Expression Profiling of Renal Allografts in a Non-Human Primate Identifies Inflammation as a Risk Factor in Chronic Antibody Mediated Rejection
IntroductionChronic alloantibody mediated rejection (CAMR) is a major risk factor in renal allografts. Some inflammation is commonly identified within CAMR, though mostly low grade, and…2018 American Transplant Congress
Myeloid Derived Suppressor Cells Are Induced after Transplantation and Home to the Transplanted Kidney
Surgery and Immunology, University of Maryland, Baltimore, MD.
BACKGROUND: Myeloid-derived suppressor cells (MDSCs) are a naturally occurring, heterogeneous population of highly immunosuppressive cells which expand in response to inflammatory conditions such as cancer.…2018 American Transplant Congress
Accommodation and Antibody Mediated Rejection Are Associated with Distinct TACI Polymorphisms in Kidney Transplant Recipients
1Surgery, University of Michigan, Ann Arbor, MI; 2Pathology, University of Michigan, Ann Arbor, MI.
A. Trans-membrane Activator and CAML Interactor (TACI) gene is among the 5% most polymorphic genes in humans, TACI controls B cell differentiation and memory and…2018 American Transplant Congress
Alloreactive B Cells Acquire Cell-Intrinsic Hyporesponsiveness in Tolerant Recipients
Donor-specific transplantation tolerance has long been an aspiration of clinical transplantation. Recently, we have reported that multiple mechanisms are required to reinforce profound hyporesponsiveness of…2018 American Transplant Congress
Anti-Thymocyte Globulin Directly Binds and Functionally Inhibits Allo-Regulatory Myeloid Derived Suppressor Cells
Surgery and Immunology, University of Maryland, Baltimore, MD.
BACKGROUND: Myeloid-derived suppressor cells (MDSCs) are a heterogeneous group of naturally occurring, immunosuppressive cells that may be exploitable in transplantation.There are only a few incomplete…
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