2017 American Transplant Congress
T-Cell Aging Parameters in the Lymph Node and Peripheral Blood Are Strongly Associated but Terminally Differentiated T Cells Are Mainly Located within the Circulation.
IntroductionAgeing is associated with changes in the peripheral T-cell immune system, which can be significantly influenced by latent cytomegalovirus (CMV)-infection. Therefore, we wanted to investigate…2017 American Transplant Congress
Senescence and Uremia Effects in Circulating T Cells Diverge in TREG Population and Cause T Cell Shift to a Memory Profile.
Elderly kidney transplant recipients(EKtx) have higher malignancies and infections rates, but lower acute rejection incidence. Senescence seems to result in shift to memory profile and…2017 American Transplant Congress
Designing a Novel Selective Immunoproteasome Inhibitor Reveals a Critical Role of the IP and STAT5 Pathway in Regulating T Cell Exhaustion and Promoting Long Term Heart Allograft Acceptance.
Constitutive proteasomes (c-20S) are ubiquitously expressed cellular proteases that degrade polyubiquitinated proteins and regulate cell functions. Immunoproteasomes (IP or i-20S) are primarily expressed in immune…2017 American Transplant Congress
Stability of Immune Phenotype, Alloreactive, and Antiviral Immunity After Switch to Belatacept-Based Regimen After Kidney Transplantation.
David Geffen School of Medicine at UCLA, Los Angeles, CA
Purpose: This investigator-initiated study examines the impact of belatacept on T cell immune phenotype and function.Methods: 14 patients who had completed the study protocol were…2017 American Transplant Congress
Increased T Cell Exhaustion in Dialysis Patients.
Transplantation Research Center, Brigham and Women's Hospital, Boston, MA
Infection is a major complication post-transplantation. Evaluating the immune system prior to transplant may allow better optimization of immunosuppression dose. T cell exhaustion has been…2017 American Transplant Congress
High Eomesodermin Expression Correlates with Potent Human Allo-Reactive CD8+ Effector T Cells.
Surgery, University of Pittsburgh, Pittsburgh, PA
BackgroundThe transcription factors Eomesodermin (Eomes) and T-bet are thought to play critical roles in CD8+ effector memory T cell development. However, the role of Eomes…2017 American Transplant Congress
CTLA4-Ig Inhibits Effector CD8+ T Cell Function In Vivo and Rescues Ongoing Acute Allograft Rejection.
1Surgery, University of Chicago, Chicago, IL; 2Medicine, University of Chicago, Chicago, IL
CLTA4-Ig is clinically approved for preventing rejection in kidney transplant recipients but current data suggest that it is less effective for memory T cells, and…2017 American Transplant Congress
EBV-Specific CD8+ T Cells from Pediatric Thoracic vs Abdominal Transplant Recipients Are Shaped Differently by the Chronic EBV Loads with Potential Impact on the Risk of PTLD.
Background: EBV infection and post-transplant lymphoproliferative disorders (PTLD) are life-threatening complications of pediatric solid organ transplantation (Tx). Chronic high EBV viral load (HVL) carriers have…2017 American Transplant Congress
The Inhibitory Effect of Plasma on T Cell Activation: Possible Role of Plasma Exchange in Anti Rejection Therapy.
Reduction of lymphocyte proliferation by human plasma has been previously reported. Reduced activation of lymphocytes of patients on immunosuppressive drugs is well documented.Aim: To compare…2017 American Transplant Congress
Pre-Transplant Recipient Transcriptomic Profile May Predict Delayed Graft Function (DGF) in Kidney Transplantation.
Background: DGF is associated with a reduced long-term graft survival. Ischemia-reperfusion damage and donors' features have been always considered as key pathogenic factors in this…
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