2017 American Transplant Congress
How to Promote Regeneration After Ischemic Reperfusion Injury: Dual Role of CD 137 Agonistic Antibody.
Acute sterile inflammation can be induced by tissue damage caused by ischemia-reperfusion. In transplantation ischemia reperfusion injury (IRI) is unavoidable procedure. IRI causes delayed graft…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
Lymphoid Isolation as an Adjuvant Maneuver for Belatacept-Based Immunotherapy.
Purpose: Belatacept targets de novo alloimmune responses with minimal off target effects in renal transplantation, though adjuvant therapy is required for control of costimulation-blockade resistant…2017 American Transplant Congress
Increased Ischemic Inflammation Induces Recipient Endogenous Memory CD4 Cell-Graft Dendritic Cell Interactions to Provide Help for Activation of Endogenous Memory CD8 T Cells.
Immunology, Cleveland Clinic, Cleveland, OH
Memory T cells provide protection against recurrent pathogens, but memory T cells with donor-reactivity pose a major barrier to successful allograft transplant and tolerance induction.…2017 American Transplant Congress
Evaluation of Function and TCR signaling Profile of CD57+ T Cells in Allo-Specific Immunity.
Our studies have showed that CD57+ cells are resistant to B7 costimulation blockade (CoB). We hypothesize that CD57+ cells are highly sensitive to T cell…2017 American Transplant Congress
Rapid Depletion of Circulating DSA and Treatment of Acute Antibody-Mediated Rejection with the Combination of CTLA-4Ig/Belatacept and Bortezomib in Mouse and Man.
1Sugery, University of Chicago, Chicago, IL; 2Surgery, The Ohio State University, Columbus, OH
Antibody mediated rejection (AMR) is a major cause of rejection, and there are limited therapeutic options for reversing alloantibody production when it is fully established.…2017 American Transplant Congress
Kidney Recipients with 10 Year Belatacept-Treatment Display an Altered T Cell Subset Composition and Low Plasma Cytokine Levels Compared to Matched Patients with CNI-Based Immunosuppression.
Introduction/BackgroundMore than 10 years ago, Belatacept (Bela)-based immunosuppression was investigated in the BENEFIT trial of kidney transplantation (KTx) compared to CNI-based immunosuppression. Bela inhibits T…2017 American Transplant Congress
TIM-4 Identifies Pro-Inflammatory B Effector Cells That Are Potent Drivers of Alloimmunity and Allograft Rejection Through Expression of Both IFN-γ and IL-17.
Thomas E. Starzl Transplantation Institute, University of Pittsburgh, Pittsburgh
B cells can either augment or inhibit immune responses due to the presence both regulatory (Bregs) and effector (Beff) B cells expressing anti- or pro-…2017 American Transplant Congress
The Treg/Th17 Axis: A Dynamic Balance Regulated by Stromal Laminins.
University of Maryland, Baltimore
Background: Our recent work demonstrated that laminins α4β1γ1 and α5β1γ1, components of the lymph node (LN) stroma, are differentially regulated. Tolerance is associated with relatively…2017 American Transplant Congress
A Regulatory T Cell (Treg)-Intrinsic Role for p27kip1 in Acquired Transplant Tolerance.
Pathology, The Children's Hospital of Philadelphia, Philadelphia, PA
We previously found that the cyclin-dependent kinase CDK2 phosphorylates the Treg transcription factor Foxp3, targeting it for proteolytic degradation. Treg with defective CDK2 activity express…
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