2019 American Transplant Congress
Iguratimod Inhibits the Donor Specific Antibodies Production and Attenuates the Antibody Mediated Rejection in Rat Kidney Transplantation
No.300 Guangzhou Road of Nanjing, Nanjing, China
*Purpose: Our study was designed to investigate the efficacy and related mechanisms of Iguratimod (T-614) in the inhibition of DSAs following kidney transplantation.*Methods: A rat…2019 American Transplant Congress
Treg-Lymphatic Crosstalk: Lymphotoxin Signals as Modulators of Immunity and Suppression
*Purpose: Little is known about the molecular cues that regulate the entry of leukocytes across lymphatic vessels. Regulatory T cells (Treg) express high amounts of…2019 American Transplant Congress
Tolerance to ABO A-Antigen Following Treatment of Infant Mice with A-Expressing MHC-Identical Erythrocytes
*Purpose: ABO-incompatible heart transplantation (ABOi HTx) is safe in young children and increases donor access. Post-ABOi HTx, B cell tolerance develops to donor ABO blood…2019 American Transplant Congress
Decay Accelerating Factor (DAF) Regulates Germinal Center B-cell and Alloantibody Formation
*Purpose: High affinity IgG antibodies including alloantibodies result from germinal center (GC) reactions in which somatic hypermutation and positive selection cause affinity maturation. When we…2019 American Transplant Congress
B Cell Derived Exosomes Are Associated with Antibody Mediated Rejection in Kidney Transplant Recipients Desensitized for a Positive Cross-Match
*Purpose: Kidney transplant recipients undergoing desensitization for a positive cross-match are at very high risk of developing Antibody-Mediated Rejection (AMR). Because of desensitization, peripheral circulating…2019 American Transplant Congress
Acquired Resistance to Transplantation Tolerance as a Result of Prior Pregnancy Requires B Cells
Departments of Surgery and Medicine, University of Chicago, Chicago, IL
*Purpose: Clinical data suggest allogeneic pregnancy is a sensitizing event; however, data from mouse models suggests it induces fetal-specific regulatory T cell (Treg) expansion and…2019 American Transplant Congress
Tertiary Lymphoid Organs in Renal Chronic Allograft Rejection
Starzl Transplantation Institute, Pittsburgh, PA
*Purpose: Chronic allograft rejection remains a major obstacle to long-term allograft survival. Tertiary lymphoid organs (TLOs) are ectopic lymphoid structures that arise in non-lymphoid tissues…2019 American Transplant Congress
Effect of Everolimus on IgM and IgG Memory B Cell Growth and Survival In Vitro and Applications for Effective Administration in Clinical Practice
Osaka University Graduate School of Medicine, Osaka, Japan
*Purpose: Everolimus (EVR), which is converted from CNI, is reported to improve renal function and reduce renal toxicity, DSA production, and rejection development. However, there…2019 American Transplant Congress
CyTOF and RNAseq Analyses Unravel Early Phenotypic and Transcriptional Changes in Antibody-Secreting and Memory B Cells >1 Year Prior to Antibody-Mediated Rejection
*Purpose: While the negative impact of anti-HLA donor specific antibodies (DSA) on graft outcomes has been extensively investigated, little is known about early changes in…2019 American Transplant Congress
ICOS+PD-1+ Circulating T Follicular Helper Cells Are a Biomarker of Humoral Alloreactivity and Predict Donor-Specific Antibody Generation Following Transplantation
Emory Transplant Center, Atlanta, GA
*Purpose: Mounting evidence in kidney transplantation suggests that donor-specific antibodies (DSA) significantly contribute to renal allograft loss. However, biomarkers to guide clinical management of DSA…
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