2021 American Transplant Congress
Development of a Rat Model of Antibody-Mediated Rejection After Liver Transplantation
*Purpose: Antibody-mediated rejection (AMR) is a refractory rejection after donor-specific antibody (DSA)-positive or ABO blood-type incompatible liver transplantation (LT), due at least in part to…2021 American Transplant Congress
Human Liver-derived Mesenchymal Stromal Cells (MSC) are Superior Inhibitors of Natural Killer Cells Compared to Bone Marrow or Adipose Tissue-derived MSC
*Purpose: Guided by the liver allografts’ unique tolerogenic microenvironment and the immunoprotective impact on simultaneously transplanted organs, we recently isolated liver mesenchymal stromal cells (L-MSC)…2021 American Transplant Congress
Taurodeoxycholic Acid and L-valine Ameliorate Macrophage Driven Alloimmunity in Obese Transplant Recipients
*Purpose: Obesity initiates a chronic inflammatory network linked to more frequent perioperative complications and increased acute rejection rates after organ transplantation. Clinically, morbidly obese transplant…2021 American Transplant Congress
CD80/PD-L1 Uniquely Regulates CD4 Effector T Cell Migration
1U Maryland, baltimore, MD, 2U Minnesota, Minneapolis, MN, 3Harvard U, boston, MA
*Purpose: CD80 is a costimulatory molecule expressed on antigen presenting cells (APCs) that binds CD28 and CTLA4, stimulating or inhibiting immunity, respectively. CD80 also binds…2021 American Transplant Congress
HLA Mismatching and Subclinical Inflammation: An Association to be Considered in Kidney Transplant Patients with Low Immunological Risk
*Purpose: Subclinical inflammation (SCI) (2021 American Transplant Congress
Sampling Renal Biopsies in Pre-Clinical Research for Comprehensive Assessment
*Purpose: Previous literature has demonstrated that single biopsies are not representative of a whole kidney in clinical assessments. In this study we aimed to design…2021 American Transplant Congress
Myeloid YAP-HSF1 Signaling Inhibits NLRP3 Function and RIPK3-mediated Hepatocyte Necroptosis in Liver Ischemia and Reperfusion Injury
Surgery, Dumont - UCLA Transplant Ctr, Los Angeles, CA
*Purpose: Yes-associated protein (YAP), a downstream effector of the Hippo pathway, tightly regulates cell growth, survival, and tissue inflammation. Activation of heat shock factor 1…2021 American Transplant Congress
Nrf2 Assessment in Discarded Liver Allografts: A Role in Allograft Function and Salvage
Surgery, Washington University School of Medicine, Saint Louis, MO
*Purpose: With mounting pressures to optimize organ availability for transplantation, there is a focus on reducing organ discard and attempting to resuscitate declined grafts for…2021 American Transplant Congress
Real-time Donor-derived Cell-free Dna Kinetics Indicate Decreased “Molecular Injury” During Treatment of Acute Renal Allograft Rejection
*Purpose: Dd-cfDNA is a validated plasma analyte (t½~30 min) for surveillance of renal transplant (KT) rejection with limited reports characterizing response to acute allograft rejection…2021 American Transplant Congress
Dysregulation of Immune Cell Glycolysis and Oxidative Phosphorylation Correlates with Development of Pre-liver Transplant Immune Dysfunction and Post-transplant Mortality
*Purpose: Cirrhosis-related immune dysfunction contributes to early morbidity and mortality following liver transplant (LT). We have previously identified a pre-LT biomarker panel, the immune frailty…
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