Abstracts Archive - Page 460 of 1683 - ATC Abstracts

2020 American Transplant Congress
Safety and Patency of Inferior Vena Cava Reconstruction with Artificial or Autologous Blood Vessels During Liver Autotransplantation: Five-Year Results from a Prospective Cohort Study of 73 Cases
T. Wang, X. Yang, W. Wang
Department of Liver Surgery & Liver Transplantation Center, West China Hospital of Sichuan University, Chengdu, China
*Purpose: To compare the short-term and long-term effects of artificial blood vessels and autologous blood vessels to reconstruct the retrohepatic inferior vena cava (IVC) in…
2020 American Transplant Congress
Effectiveness of Bezlotoxumab for Prevention of Recurrent Clostridioides Difficile Infection among Transplant Recipients
V. Bajrovic¹, T. Johnson², A. Howard², L. Allen³, G. Barber², K. Schwarz², M. Huang³, M. Abidi¹, E. Benamu³, P. Ramanan³, M. Miller⁴
¹Division of Infectious Diseases, University of Colorado, Denver, CO, ²Department of Pharmacy, University of Colorado, Aurora, CO, ³Division of Infectious Diseases, University of Colorado, Aurora, CO, ⁴Department of Pharmacy, University of Colorado, Denver, CO
*Purpose: Clostridioides difficile is an urgent health threat associated with significant morbidity and mortality. Recipients of solid organ (SOT) and hematopoietic-cell transplantations (HCT) are at…
2020 American Transplant Congress
Targeting Th17: TIGIT as a Key Regulator of Tregs/Th17 Cells in Belatacept Resistant Rejection
C. R. Hartigan, M. Wagener, M. L. Ford
Emory University Transplant Center, Emory University, Atlanta, GA
*Purpose: Belatacept resistant-rejection (BRR) is a major barrier to the widespread adoption of immune checkpoint blockade therapeutics in transplantation. Our lab has shown that patients…
2020 American Transplant Congress
Regulatory T Cell-Derived Amphiregulin Activates Fibroblasts to Promote Chronic Rejection after Heart Transplantation
L. Fan¹, X. Zhang¹, T. Li¹, L. R. Mathews¹, G. K. Dwyer², M. J. Calderon³, K. E. Helfrich³, M. A. Ross³, S. C. Watkins³, H. R. Turnquist¹
¹Surgery, University of Pittsburgh, Pittsburgh, PA, ²Immunology, University of Pittsburgh, Pittsburgh, PA, ³Center for Biologic Imaging, University of Pittsburgh, Pittsburgh, PA
*Purpose: Chronic rejection (CR) after organ transplantation (Tx) manifests as function-limiting allograft fibrosis and vasculopathy. Current immunosuppressants fail to prevent CR and insights into the…
2020 American Transplant Congress
Treg Use PD-1 for Lymphatic Migration
W. Piao¹, L. Li¹, K. Hippen², Y. Zhang³, Y. Xiong¹, V. Saxena¹, C. Paluskievicz¹, M. WillsonShirkey¹, B. Blazar⁴, L. Riella⁵, J. Bromberg⁶
¹Surgery, U of Maryland, Baltimore, MD, ²U of Minnesota, Minneapolis, MN, ³U of Maryland, Minneapolis, MD, ⁴U of Minnesota, Minneapolis, MA, ⁵Harvard U, Boston, MA, ⁶Surgery and Microbiology and Immunology, U of Maryland, Baltimore, MD
*Purpose: Regulatory T cell (Treg) lymphatic migration is important for immune tolerance. Treg express both programmed death-1 (PD-1) and its ligand PD-L1, which are important…
2020 American Transplant Congress
Ikaros Regulates Macrophage Inflammation in Liver Ischemia-Reperfusion Injury: From Mouse-to-Human
K. Kadono¹, S. Kageyama¹, K. Nakamura¹, H. Hirao¹, H. Kojima¹, T. Ito¹, K. J. Dery¹, X. Li², R. W. Busuttil¹, F. Kaldas¹, J. W. Kupiec-Weglinski¹
¹Liver Transplant Surgery, UCLA, Los Angeles, CA, ²NIEHS, Durham, NC
*Purpose: Hepatic ischemia-reperfusion injury (IRI) represents a major risk factor for early allograft dysfunction and rejection episodes in liver transplantation (LT). The impact of Ikaros,…
2020 American Transplant Congress
The Effect of Undernutrition and Immunosuppression on Cytomegalovirus Specific T Cell Responses
E. David¹, M. Zhu², W. Parker², N. MacIver¹, A. D. Kirk², E. T. Chambers¹
¹Pediatrics, Duke University, Durham, NC, ²Surgery, Duke University, Durham, NC
*Purpose: Cytomegalovirus (CMV) infection remains a significant issue in transplantation, especially in those who are undernourished. While undernutrition is associated with impaired T cell immunity…
2020 American Transplant Congress
DEPTOR Expression within CD4⁺Foxp3⁺ T Regulatory Cells is Crucial for B Cell Activation Responses and Immunoregulation
J. Wedel¹, M. Maslyar¹, S. Kong¹, M. Laplante², D. M. Briscoe¹
¹Boston Children's Hospital, Boston, MA, ²Lavel University, Quebec, QC, Canada
*Purpose: We have previously reported that the intracellular protein DEPTOR stabilizes Foxp3 expression, enhances suppressive Treg function and inhibits Treg dedifferentiation. Overexpression of DEPTOR within…
2020 American Transplant Congress
Tolerant Liver Transplant Patients Have Higher Level of Y RNA Fragments in the Circulation
C. Kuscu¹, A. Wolen¹, A. Bajwa¹, C. Kuscu¹, J. Eason², B. Ramaswami³, D. Maluf¹, G. Mazariegos³, G. Chalasani³, V. Mas¹
¹Transplant Research Institute, James D. Eason Transplant Institute, Department of Surgery, University of Tennessee Health Science Center, Memphis, TN, ²James D. Eason Transplant Institute, Department of Surgery, University of Tennessee Health Science Center, Memphis, TN, ³Thomas E. Starzl Transplantation Institute, Children's Hospital of Pittsburgh, University of Pittsburgh Medical Center, Pittsburgh, PA
*Purpose: Tolerance post transplantation continue to be the ultimate goal in transplantation. Circulating small RNAs are one of the best candidates for biomarker studies. To…
2020 American Transplant Congress
Graphene Quantum Dots Prevent Glomerular and Interstitial Injury in Murine Adriamycin Nephropathy Through Macrophage Depletion
Y. Kim¹, K. Kim¹, J. Lee¹, J. Moon¹, J. Kim¹, J. Lee², Y. Kim¹, S. Yang¹
¹Internal Medicine, Seoul National University Hospital, Seoul, Korea, Republic of, ²Internal Medicine, Nephrology Clinic, National Cancer Center, Seoul, Korea, Republic of
*Purpose: Macrophage infilatration is a key feature of the pathogenicity associated with glomerular and tubulo-interstitial injury in kidney disease. Graphene quantum dots (GQDs) are considered…