2018 American Transplant Congress
B-Cell Depletion with Rituximab Exacerbates Anti-Donor CD4+ T-Cell Responses in Patients with Donor-Specific Anti-Human Leukocyte Antigen Antibodies
Gastroenterological and Transplant Surgery, Hiroshima University, Hiroshima, Japan.
Background: It has been reported that preformed donor-specific anti-human leukocyte antigen antibodies (DSAs) were associated with poor graft outcomes in kidney transplant recipients. To eliminate…2018 American Transplant Congress
In Vivo Administration of Plerixafor and Bortezomib Results in Bone Marrow Plasma Cell Mobilization and Death While Inducing Biphasic Plasma Cell Apoptosis in Peripheral Blood
1U Cincinnati, Cincinnati; 2Cincinnati Children's, Cincinnati; 3Duke, Durham.
Bone marrow (BM) plasma cells (PC) secreting HLA antibody (Ab) remain a persistent reservoir of donor specific Ab and present a significant hurdle to allograft…2018 American Transplant Congress
Chronic Antibody Mediated Rejection in Renal Allografts Shows RNA Transcript Patterns That Evolve with Stage
1Massachusetts General Hospital, Boston, MA; 2University of Alberta, Edmonton, AB, Canada.
Purpose. Four stages of chronic antibody mediated rejection (CAMR) in renal allografts have been defined in humans and non-human primates (NHP), beginning with donor specific…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.…
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