Am J Transplant, Volume 20, Suppl 3 Archives - Page 139 of 223 - ATC Abstracts

2020 American Transplant Congress
Donor-Derived Cell-Free DNA is Not Influenced by Steroid Dosing in Heart Transplant Recipients
J. Teuteberg¹, S. Krim², M. Shullo³, S. Jimenez¹, H. Eisen⁴
¹Stanford University, Stanford, CA, ²Ochsner Medical Center, New Orleans, LA, ³West Virginia University, Morgantown, WV, ⁴Pennsylvania State University, Hershey, PA
*Purpose: Gene expression profiling (GEP) was recognized as an alternative to biopsy for rejection surveillance in the 2010 International society for Heart and Lung Transplantation…
2020 American Transplant Congress
Immunosurveillance with Donor Derived Cellular Free DNA Assay Plus Donor Specific Antibody, an Alternative to Renal Allograft Biopsy
S. Machado, G. Agarwal, F. Ahmed, B. Julian, R. Mannon, S. Mehta, V. Kumar, S. Ong, S. Thaduri, G. Towns, C. Kew
Transplant Nephrology, University of Alabama at Birmingham, Birmingham, AL
*Purpose: Surveillance allograft biopsies (SVAB) are used by many centers to identify subclinical immunologic injury. SVAB entails bleeding risks. Non-invasive modalities such as donor-derived cell-free…
2020 American Transplant Congress
Kidney Cortical Wedge Biopsies for Human Organ Research: Does Anatomic Variability Impact Their Utility?
C. M. Edwards¹, J. T. Langford¹, M. Reschke², J. R. DiRito¹, D. Mulligan¹, D. Haakinson¹, G. T. Tietjen¹
¹Surgery, Yale School of Medicine, New Haven, CT, ²Biomedical Engineering, Yale University, New Haven, CT
*Purpose: The purpose of this study is to characterize human kidney anatomic variability both within singular biopsies and between biopsy sites in order to investigate…
2020 American Transplant Congress
Novel Mechanism of Immune Evasion by Human Neonatal Cardiac Progenitor Cells Recovers Ailing Myocardium in Rat Myocardial Infarct Model
M. Gunasekaran, R. Mishra, S. Sharma, P. Saha, L. Wang, M. Yasir Arfat, L. Davidson, X. Fu, A. Shah, M. Abdullah, D. Li, S. Kaushal
Surgery, University of Maryland, Baltimore, MD
*Purpose: Immune rejection of transplanted stem/progenitor cells is a major stumbling block in designing effective therapy for myocardial infarction (MI). Human neonatal cardiac progenitor cells…
2020 American Transplant Congress
Biointegration and Function of 3D Printed Bionic Pancreatic Petals on a Mouse Model
M. Wszola¹, M. Klak¹, G. Tymicki¹, A. Berman¹, K. Kosowska¹, T. Bryniarski¹, P. Cywoniuk¹, M. Gomolka¹, P. Kowalska¹, P. Turowski¹, A. Kaminski²
¹Foundation for Research and Science Development, Warsaw, Poland, ²Medical University of Warsaw, Warsaw, Poland
*Purpose: Despite the technologically advanced integrated systems of continuous glycemic control and insulin supply, it is still impossible to obtain results of diabetes treatment in…
2020 American Transplant Congress
Irf8-Relevant Mechanism in B Cell Regulation In Vitro
Q. Fu¹, K. Deng², H. Yang¹, J. F. Markmann², S. Deng¹
¹Organ Transplantation Center, and School of Medicine, University of Electronic Sciences and Technology of China, Chengdu, China, ²Center for Transplantation Sciences, MGH, Boston, MA
*Purpose: Previously, we had reported that IFN regulatory factor 8 (IRF8) could be used for the identification of interstitial fibrosis and tubular atrophy (IFTA) with…
2020 American Transplant Congress
Lymphotoxin Beta Receptor Regulates Draining Lymph Node Structure and Treg Migration
V. Saxena¹, W. Piao¹, L. Li¹, Y. Xiong¹, C. C. Palusckievicz¹, T. Simon¹, M. W. Shirkey¹, R. Abdi², J. S. Bromberg¹
¹University of Maryland, Baltimore, Baltimore, MD, ²Harvard U, Boston, MA
*Purpose: To induce tolerance, regulatory T cells (Treg) are required to migrate from tissues via afferent lymphatic vessels (LV) to the draining lymph node (dLN).…
2020 American Transplant Congress
Agonistic Anti-CD272 Antibody (6B2) Suppressed Donor Specific Antibody Through Inducible Regulatory T Cells
Y. Yamamoto¹, M. Uchiyama², K. Uchida³, H. Yagita⁴, M. Niimi¹
¹Surgery, Teikyo University, Tokyo, Japan, ²Cardiovascular Surgery, Teikyo University, Tokyo, Japan, ³Hepato- Biliary- Pancreatic Surgery, Juntendo University, Tokyo, Japan, ⁴Immunology, Juntendo University, Tokyo, Japan
*Purpose: The co-inhibitory receptor B and T lymphocyte attenuator (BTLA; CD272) is a coinhibitory molecule and may play an important role in alloimmune responses. We…
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
Prevalence of Frailty and Cognitive Impairment at Time of Kidney Transplant Evaluation
J. Klein, A. Jurgensen, M. Gupta, N. Herrera, A. Gupta, D. Cibrik
Internal Medicine, Division of Nephrology, University of Kansas Medical Center, Kansas City, KS
*Purpose: Frailty is highly prevalent in kidney disease, with prevalence estimates as high as 73% in patients at the time of dialysis initiation compared to…