2019 American Transplant Congress
Resistance of T Follicular Helper Cells to Depletion by Anti-Thymocyte Globulin
*Purpose: T follicular helper (Tfh) cells are a subset of CD4+ T cells that specializes in providing help for germinal center (GC) reactions where B…2019 American Transplant Congress
Implication of Melanocortin Receptors in Alloimmunity
Transplantation Research Center, Renal, Brigham and Women's Hospital, Boston, MA
*Purpose: Recent studies have indicated the importance of the melanocortin pathway in the regulation of immune responses. In particular, the role that melanocortin receptors (MCRs)…2019 American Transplant Congress
A Regulatory T Cell-Intrinsic Role for Ikaros in Acquired Transplant Tolerance
The Children's Hospital of Philadelphia, Philadelphia, PA
*Purpose: Ikaros is a transcriptional repressor encoded by the Ikzf1 gene that was recently identified as the pharmacologic target of thalidomide analogs in successful therapy…2019 American Transplant Congress
SIRPα Typing as a Potential Tool for Risk Stratification in Kidney Transplantation
Transplant Immunology Laboratory, Northwestern University, Chicago, IL
*Purpose: To determine if mismatches in the SIRPα receptor, associated with initiate innate alloresponses in animal models, may impact human kidney transplantation outcome.*Methods: To avoid…2019 American Transplant Congress
Evaluating Allo-Specific CD57+ T Cells during Memory and Proliferative Responses
Department of Surgery, Duke University, Durham, NC
*Purpose: We have previously identified subsets of CD57+ T cells that are resistant to B7 costimulation blockade (CoB) in kidney transplant recipients. The objective of…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…2018 American Transplant Congress
In Vivo Imaging and Function of Renal Tertiary Lymphoid Organs
Starzl Transplantation Institute, Pittsburgh.
Tertiary lymphoid organs (TLOs) are ectopic lymphoid structures that arise in non-lymphoid tissues in the setting of chronic inflammation such as organ transplantation. The function…2018 American Transplant Congress
Preventing of Rejection of Vascularized Composite Allografts by Targeting T Cell Metabolism
[Background] Upon antigen recognition and co-stimulation, T lymphocytes upregulate the metabolic machinery necessary to proliferate and sustain effector function. This metabolic reprogramming in T cells…2018 American Transplant Congress
Hematopoietic Cell Kinase (Hck) Regulates Effector and Regulatory T Cell (Treg) Function
Background: We found that upregulation of Hck mRNA expression, an Src family tyrosine kinase, in surveillance graft biopsies of kidney transplant patients associates with an…2018 American Transplant Congress
Shikonin Inhibits Th17 Development through Repressing STAT3 Activation
Background: Th17-mediated inflammatory responses are detrimental for allograft acceptance and long-term survival after transplantation. Shikonin is a naphthoquinone pigment isolated from a traditional medicinal herb…
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