2018 American Transplant Congress
The Mark of Zorro: IL35-Coated Exosomes Cross-Dress and Exhaust Recipient T & B Cells during Transplant Tolerance
The folk-hero "Zorro" left his mark on by a sword-slashed "Z". In transplant recipients, rare Tregs also leave a mark on their conventional T &…2018 American Transplant Congress
Allogeneic T Follicular and T Conventional Responses Assessed by Proliferation, Cytokine Production, and TCR Clonality
1Thomas E. Starzl Transplantation Institute, Pittsburgh; 2Adaptive Biotechnologies, Seattle.
Background: Human CD4+ T cell allo-immunity plays pivotal roles during cellular and humoral allograft rejection. Our previous analysis showed that allo-reactive precursors were present in…2018 American Transplant Congress
OX40 Costimulation Prevents Induction of Foxp3+ Tregs through Upregulation of Novel Repressors of Foxp3 Gene Expression
Foxp3+ Tregs are essential for the induction of transplant tolerance and OX40 costimulation is known to break transplant tolerance. The exact mechanism of OX40 in…2018 American Transplant Congress
Assessment of Immune Cell Profiles in HLA-Sensitized (HS) & Non-HS Patients (Pts) with End Stage Renal Disease (ESRD)
Background: Chronic inflammation is often seen in pts w/ ESRD. HLA-sensitization may create or be driven by the cytokines responsible for chronic inflammation. Here we…2018 American Transplant Congress
TLR2 with TCR Signaling Mobilizes Treg Lymphatic Migration
Background: Regulatory T cells (Treg) express high levels of lymphotoxin (LT) and bind the LT receptor (LTβR) on lymphatic endothelial cells (LEC). This receptor-ligand interaction…2017 American Transplant Congress
Tracking the In Vitro Phenotype and Proliferative Capacity of CD57+ CD4 T Cells.
1Duke University, Durham; 2Bristol-Meyers Squibb, Princeton
CD57+PD1- CD4 T cells are primed effectors with increased expression of adhesion molecules capable of infiltrating allografts and mediating belatacept-resistant rejection (BRR). Whether CD57 is…2017 American Transplant Congress
Glomerular CD45 Immunostaining in Post Perfusion Graft Biopsies Predicting Rejection.
Renal Transplant Unit, University Hospitals Coventry, Coventry, United Kingdom
Introduction: Recipients of incompatible renal allografts remain at risk of developing AMR after transplantation. Current microarray analysis of allograft biopsies showed similar disturbances in AMR…2017 American Transplant Congress
Immunosuppressive Ability of NFkB Inhibitor: Withaferin A.
BackgroundThe advent of steroid-free protocol by the Edmonton group encouraged islet transplant as a therapy for Type-1 Diabetes. However, long-term dysfunction in islet transplantation is…2017 American Transplant Congress
Antiretroviral Therapy Modification of HIV+ Patients Listed for Kidney Transplantation.
Introduction:HIV+ individuals can receive kidney transplant (KT) safely and effectively but face additional challenges from potential drug interactions between antiretroviral therapy (ART) and immunosuppression(IS). Little…2017 American Transplant Congress
NK Cells Respond to CMV Lysate by Inducing IFNγ and CD107a Surface Expression in an Antibody-Dependent Manner: This Represents a Cytokine Flow Cytometry (CFC) Assay That Could Assess Antibody-Dependent Cell-Mediated Cytotoxicity (ADCC) as a Marker of CMV Immunity in Transplant Recipients.
Background: Viral infections represent significant morbidity factors for transplant recipients. Tools to assess the efficacy of viral-specific responses are lacking. ADCC is the major antibody-mediated…
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