2019 American Transplant Congress
p40 Homodimer Indirectly Induce Proliferation of Endogenous Donor-Reactive Memory CD8 T Cells within High-Risk Allografts via IL-15 Signaling
Inflammation and Immunity, Cleveland Clinic, Cleveland, OH
*Purpose: Increasing the duration of cold ischemic storage (CIS) from 0.5 to 8 hrs prior to transplant induces the increased proliferation of endogenous donor-reactive CD4…2019 American Transplant Congress
Effects of Thalidomide and Dexamethasone Co-Treatment on CD8+ T Cells
*Purpose: Thalidomide (TM) is known to have anti-cancer and anti-inflammatory effects and dexamethasone (DX) has been reported that it also reduces inflammation and inhibits inflammatory…2019 American Transplant Congress
Selective CD28 Blockade-Mediated Inhibition of T Follicular Helper Cell and DSA Responses is CTLA-4 Dependent
Emory Transplant Center, Atlanta, GA
*Purpose: Clinical costimulation blockade of the CD28 pathway in the form of CTLA-4Ig has shown the ability to attenuate T cell dependent DSA responses. However,…2019 American Transplant Congress
Peripheral Blood Regulatory T Cells In The Folow In The Kidney-transplant Patients
*Purpose: Investigate the peripheral blood levels of CD4+CD25+FOXP3p3+ regulatory T cells (Tregs) in patients with kidney transplant at least one year after kidney transplantation and…2019 American Transplant Congress
Costimulation Blockade Modulates Humoral Responses in Highly Sensitized Transplant Recipients
Surgery, Duke Transplant Center, Durham, NC
*Purpose: Broad human leukocyte antigen sensitization is a significant barrier to successful solid organ transplantation. Sensitized patients have poor access to donor organs, high wait…2019 American Transplant Congress
FcγRIIB is a Novel CD8+ Effector T Cell Intrinsic Regulatory Pathway That Correlates with Freedom from Rejection in Renal Transplant Patients
*Purpose: To understand the functional role and clinical relevance of FcγRIIB on CD8+ T cells in transplantation.*Methods: See results*Results: FcγRIIB is the sole inhibitory Fcγ…2019 American Transplant Congress
IFNAR Signaling Augments Plasmacytoid Dendritic Cell Activation during Costimulation Independent Rejection
Surgery, Emory University, Atlanta, GA
*Purpose: Costimulation blockade (CoB) is a promising new transplant immunosuppression strategy offering improved long-term patient and allograft survival without the nephrotoxicity of calcineurin inhibitors. However,…2019 American Transplant Congress
The Use of mTOR Inhibitors Prevents Acute Cellular Rejection in Kidney Transplantation on Belatacept Therapy
University of California San Francisco, San Francisco, CA
*Purpose: Belatacept is a costimulatory blocker that is used as de novo maintenance immunosuppression in kidney transplantation to avoid toxic effects of calcineurin inhibitors and…2019 American Transplant Congress
Memory T Follicular Helper Cell Alloresponse is Memory B Cell Independent and Inhibited by CD28 Costimulation Blockade
Emory University School of Medicine, Atlanta, GA
*Purpose: Donor-directed HLA antibodies are an important cause of renal allograft injury, but reliable and durable therapeutic options to prevent or eliminate donor-specific antibodies (DSA)…2019 American Transplant Congress
In Vivo Treg Expansion under Costimulation Blockade Targets Early Rejection and Improves Long-Term Outcome
*Purpose: Early rejection episodes are a major problem under CTLA4Ig/belatacept-based immunosuppression. We have previously shown that CTLA4Ig therapy is dependent on Tregs at low (LD)…
American Transplant Congress abstracts