Abstracts Archive - Page 458 of 1683 - ATC Abstracts

2020 American Transplant Congress
CD4+ T-Cells Express High Levels of Messenger RNA Coding for Heparanase in Cultures with Matrigel
N. Chai, G. Wu, I. Kim, S. Jordan, A. Klein, T. Brennan
Cedars-Sinai Med Ctr, Los Angeles, CA
*Purpose: Heparanase (Hpse) is the sole heparan sulfate (HS) degrading enzyme regulating multiple biological activities that enhance immune cell migration, blood vessel growth and cell…
2020 American Transplant Congress
Transcriptomic Profiling of Paired Serum and Biopsy Samples from FSGS Patients
C. Kuscu¹, M. Kiran², A. Wolen¹, C. Kuscu¹, A. Bajwa¹, J. Eason¹, D. Maluf¹, E. Akalin³, V. Mas¹
¹Transplant Research Institute, James D. Eason Transplant Institute, Department of Surgery, University of Tennessee Health Science Center, Memphis, TN, ²Department of Systems and Computational Biology, University of Hyderabad, Hyderabad, India, ³Department of Medicine and Surgery, Albert Einstein College of Medicine, New York, NY
*Purpose: Pathogenesis and molecular footprints of focal segmental glomerulosclerosis (FSGS) after kidney transplantation whether it is primary or secondary is unknown. Herein, we studied a…
2020 American Transplant Congress
Alum Elicited MDSCs Delay the Rejection of Fully Mistmatched Islets in Mice
A. Cuenca¹, N. Feeney², J. Ge¹, K. Deng², Q. Fu², G. Huai², K. Lee², C. Rickert², J. Markmann²
¹Boston Children's Hospital, Boston, MA, ²Massachusetts General Hospital, Boston, MA
*Purpose: Myeloid derived suppressor cells (MDSCs) have been demonstrated to be critical for the induction of tumor induced T cell tolerance and have also been…
2020 American Transplant Congress
Inducing Donor MHC Chimerism with Bone Marrow Derived Exosomes in Non-Human Primates
P. M. Patel¹, B. A. Gonzalez Nolasco¹, J. A. Morrissette¹, A. Prunevieille¹, K. J. Ahrens¹, J. M. O¹, D. C. Becerra¹, G. Benichou¹, J. C. Madsen²
¹Surgery, Center for Transplantation Sciences, Massachusetts General Hospital/Harvard Medical School, Boston, MA, ²Surgery, Center for Transplantation Sciences, Division of Cardiac Surgery, Massachusetts General Hospital/Harvard Medical School, Boston, MA
*Purpose: Cardiac allograft tolerance in non-human primates (NHPs) has been achieved by our group via hematopoietic mixed chimerism consisting of an allogeneic bone marrow (BM)…
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…
2020 American Transplant Congress
CD137 Signaling in Regulatory Dendritic Cells Is Required for Suppressing a Systemic Inflammation in the bm12-Inducible Model of Systemic Lupus Erythematosus
H. Cho¹, J. Lee², B. Kwon³, S. Park¹, H. Park¹, K. Yoo², K. Park², J. Kim³
¹Surgery, Ulsan University Hospital, Ulsan, Korea, Republic of, ²Nephrology, Ulsan University Hospital, Ulsan, Korea, Republic of, ³Biomedical Research Center, Ulsan University Hospital, Ulsan, Korea, Republic of
*Purpose: Although CD137 is well known as a costimulatory receptor in T cells, limited information is available for its immunoregulatory function. Here, we report that…
2020 American Transplant Congress
Pregnancy Alloimmunization Increases the Clonality of the Endogenous Treg Repertoire
K. Krupp, E. Lewis, R. Xu, P. Porrett
University of Pennsylvania, Philadelphia, PA
*Purpose: Pregnancy is a common immune sensitizing event, which creates an access barrier to organ transplantation and can impact transplant outcomes. While most research has…
2020 American Transplant Congress
HMGB1 Antagonizes the Immunosuppressive Effect of MSCs in AKI
S. Cai¹, S. Wang², W. Zhang², A. Chandraker¹, C. Yang², T. Zhu²
¹Renal Division, Brigham and Women's Hospital, Boston, MA, ²Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China
*Purpose: Kidney ischemia reperfusion injury (IRI) is a common cause of acute kidney injury and an unavoidable consequence of kidney transplantation and still lacks specific…
2020 American Transplant Congress
Flow Cytometric Characterization of Regulatory Cell Populations Expanded Ex Vivo from PBMCs of Kidney Transplant Recipients
S. Tripathi¹, P. L. Martin-Moreno², G. J. Kavalam¹, A. Chandraker¹
¹Renal, Brigham and Women's Hospital, Boston, MA, ²Nephrology, Clinica Universidad de Navarra, Instituto de Investigación Sanitaria de Navarra (IdiSNA), Pamplona, Spain
*Purpose: We have previously shown that it is possible to generate alloantigen-specific regulatory T cell lines and clones that prolong allograft survival upon infusion in…
2020 American Transplant Congress
Lack of Dj-1 Amplifies Sepsis-Associated Acute Kidney Injury and Increases Parenchymal Apoptosis
J. Leeds¹, Y. Scindia², E. Ghias¹, S. Cechova¹, V. Loi¹, E. Mandziak¹, S. Swaminathan¹
¹University of Virginia, Charlottesville, VA, ²University of Florida, Gainesville, FL
*Purpose: Sepsis following kidney transplantation is a frequent complication due to mandatory immunosuppression and increased infection risk. Kidney transplant recipients who develop sepsis show inferior…