Abstracts Archive - Page 454 of 1683 - ATC Abstracts

2020 American Transplant Congress
Characterization of a Novel CD8⁺ B Cell Subset in Monkeys Tolerant of Heart Allografts
J. A. Morrissette¹, K. Pruner¹, S. Lee¹, J. Paster¹, W. Sommer¹, J. O¹, I. Hanekamp¹, P. Sage², G. Benichou¹, J. C. Madsen³
¹Center for Transplantation Sciences, Department of Surgery, Massachusetts General Hospital, Boston, MA, ²Transplantation Research Center, Renal Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, ³Center for Transplantation Sciences, Division of Cardiac Surgery, Department of Surgery, Massachusetts General Hospital, Boston, MA
*Purpose: We have previously reported that transient mixed hematopoietic chimerism induced via donor bone marrow transplantation can achieve tolerance to cardiac allografts in non-human primates…
2020 American Transplant Congress
Treg Stability Depends on Lymphotoxin Beta Receptor-Driven Migration
V. Saxena, W. Piao, L. Li, Y. Xiong, C. Palusckievicz, T. Simon, M. Shirkey, R. Abdi, J. S. Bromberg
University of Maryland, Baltimore, Baltimore, MD
*Purpose: Regulatory T cell (Treg) suppressor function for allograft survival requires maintenance of transcription factor Foxp3 and sequential migration from tissues to lymph nodes (LN).…
2020 American Transplant Congress
Novel Biomarkers for Post-Transplant Recurrent IgA Nephropathy
Y. Caliskan¹, B. Dirim², E. Aksoy², R. Ouseph¹, Y. Ozluk³, H. Randall⁴, F. Savran Oguz⁵, A. Turkmen², M. S. Sever², K. Lentine¹
¹Division of Nephrology, Saint Louis University, Saint Louis, MO, ²Division of Nephrology, Istanbul Faculty of Medicine, Istanbul, Turkey, ³Department of Pathology, Istanbul Faculty of Medicine, Istanbul, Turkey, ⁴Center for Abdominal Transplantation, Saint Louis University, Saint Louis, MO, ⁵Department of Medical Biology, Istanbul Faculty of Medicine, Istanbul, Turkey
*Purpose: The aim of this study is to evaluate serum levels of galactose-deficient IgA1 (Gd-IgA1), advanced oxidation protein products (AOPP) and 4 tag single-nucleotide variants…
2020 American Transplant Congress
Access to Direct Acting Antiviral Therapy for Recipients of Solid Organs from Hepatitis C Viremic Donors
C. Edmonds, A. Carver, J. DeClercq, L. Choi, M. Peter, R. Forbes, B. Concepcion, K. Schlendorf, R. Perri
Vanderbilt University Medical Center, Nashville, TN
*Purpose: Emerging data supports transplantation of organs from hepatitis C-positive (HCV) donors to expand the donor pool, but access to direct acting antivirals (DAAs) to…
2020 American Transplant Congress
The Application of Hypothermic Machine Perfusion in Kidney Transplantation from Delay Graft Function High Risk Donor
Y. Li, X. Hu, G. Chen, C. Ding, W. Xue
Kidney Transplantation Department, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
*Purpose: To investigate the clinical effect of the hypothermic machine perfusion (HMP) method on renal transplantation from high risk donation after citizen death (DCD) and…
2020 American Transplant Congress
Effect of Cold Ischemia Time on Long-Term Graft Survival of Post-One Year Survivor Deceased Donor Kidney Transplant Recipients
B. Murthy¹, H. Nguyen², A. Rana¹, A. Awan¹, C. Van Buren³, J. Goss¹
¹Baylor College of Medicine, Houston, TX, ²University of Texas Medical Branch, Galveston, TX, ³University of Texas Houston Medical School, Houston, TX
*Purpose: Prolonged cold ischemia time (CIT) is known to adversely affect short-term graft survival among renal allografts. However, its effect on long-term graft survival is…
2020 American Transplant Congress
Electroacupuncture Promotes Induction of Long-Term Allograft Survival by Enhancing Lymphatic Migration of CD4+Foxp3+ Tregs via Upregulating Their LTalpha1beta2 Expression
H. Liu, Y. Chen, F. Qiu, Z. Dai
Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
*Purpose: Induction of long-term transplant survival without continuous global immunosuppression is a highly desired goal in transplantation. Electroacupuncture (EA) has been shown to regulate immunity…
2020 American Transplant Congress
Dissecting Humoral Alloimmune Sensitization: A Dynamic Interplay of Different Cellular Compartments
A. Torija, A. Favà, E. Crespo, M. Jarque, M. Meneghini, N. Bolaños, J. Grinyo, O. Bestard
Kidney transplantation Unit, Bellvitge University Hospital- IDIBELL, L'Hospitalet de Llobregat. Barcelona, Spain
*Purpose: Humoral alloimmune memory is the main barrier for successful transplantation and is generated by a complex and compartmentalized B-cell immune response. Understanding the role…
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
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…