2018 American Transplant Congress
An In Vitro Model of Human Antibody-Mediated Rejection Depicts Key Role for NK Cells
AIM: Antibody-mediated rejection (ABMR) is the leading cause of kidney allograft loss but its immune mechanisms are incompletely understood. We sought to examine key interactions…2018 American Transplant Congress
NKG2C+CD57+ NK (G2C+57+) Cells Expanded by CMV Infection Are Highly Responsive to Allo-Antibody (Ab)-Mediated NK Cell Stimulation
Introduction: Active CMV infection is known to be associated with risk for ABMR in allograft recipients. Ab-dependent cellular cytotoxicity (ADCC) primarily mediated by NK cells…2018 American Transplant Congress
Regulation of NK Cell Cytotoxicity by TEC Expression of Clr Proteins in Kidney Ischemia Reperfusion Injury (IRI)
Background: Kidney tubular epithelial cells (TEC) may negatively regulate NK cell activation and cytotoxic capacity by surface expression of a novel class of C-type lectin-related…2018 American Transplant Congress
Th17 and NK Responses Are Differentially Induced in Renal Allografts According to Recipient Murine Cytomegalovirus Dose and Strain
Purpose: To study the impact of cytomegalovirus (CMV) recipient positive (R+) serostatus upon renal allograft injury, murine CMV (MCMV) D+/R+ kidney transplants using recipients infected…2017 American Transplant Congress
CD16a-Activated NK Cells in ABMR Are Highly Similar to CD3-Activated Effector T Cells in TCMR.
University of Alberta, Edmonton, Canada
BACKGROUND: NK cell CD16a and T cell CD3 activate shared pathways. Since NK cell CD16a activation occurs in antibody-mediated rejection (ABMR) and T cell CD3…2017 American Transplant Congress
The Role of Natural Killer Cells in Recognition and Killing of Stem Cells and Stem Cell-Derived Hepatoblasts.
Surgery, Stanford University School of Medicine, Stanford, CA
The generation of stem cell-derived hepatocytes holds promise as a cell-based treatment for liver disease. However, the immune response to stem cell-derived grafts is poorly…2017 American Transplant Congress
Endocapillary NK Cells Are Increased in Indication Renal Transplant Biopsies with Antibody and T Cell Mediated Rejection.
Pathology, University of Michigan Medical School, Ann Arbor, MI
Detection of NK cell transcripts in renal transplant biopsies is associated with antibody mediated rejection (AMR). Similarly, quantification of endocapillary NK cells in paraffin tissue…2017 American Transplant Congress
The Degree of NK Cell Activation Determines the Ability of Donor-Specific Antibodies to Mediate Acute vs. Chronic Rejection of Kidney Allografts.
While the incidence of antibody-mediated kidney graft rejection has increased, the key cellular and molecular participants underlying this graft injury remain unclear. We have previously…2017 American Transplant Congress
Adoptive Immunotherapy with Liver Allograft-Derived Lymphocytes Compensate for the Susceptibility to Post-Liver Transplant Blood Stream Infection Associated with FCGR3A SNP.
Gastroenterological and Transplant Surgery, Hiroshima University, Hiroshima, Japan
By studying the single nucleotide polymorphisms (SNPs) of FCGR2A and FCGR3A, genes encoding FcγR, we previously demonstrated the significantly higher incidence of blood stream infections…2017 American Transplant Congress
IVIg+Rituximab Desensitization (DES) Combined with Alemtuzumab (ATZ) Induction Does Not Increase Risk for Viral Infections (VIs) and Associated Complications in HLA-Sensitized (HS) Kidney Transplant Patients (KTx Pts).
Background: VIs represent significant morbidity factors in KTx pts. DES followed by KTx with ATZ induction increased successful Tx rates in HS pts, but may…
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