Articles tagged "Heart/lung transplantation"

2019 American Transplant Congress
Graft-Infiltrating Regulatory T Cells Are Associated with Long Term Cardiac Xenograft Survival
A. K. Singh¹, G. Braileanu¹, A. Hersfield¹, L. DiChiacchio¹, T. Zhang¹, I. Tatarov¹, D. Parsell¹, B. Lewis¹, F. Sentz¹, D. Ayares², M. Mohiuddin¹
¹Department of Surgery, School of Medicine, University of Maryland Baltimore, Baltimore, MD, ²Revivicor, Inc, Blacksburg, VA
*Purpose: Regulatory T (CD4+CD25HiFoxP3+) cells (Treg) are a very small subset of CD4+ T cells that have been shown to play an important role in…
2019 American Transplant Congress
MDSCs Prolong Allogeneic Cardiac Graft Survival by Regulating Interferon Type 1 Signaling
S. Cai¹, P. T. Sage¹, T. J. Borges¹, T. Ichimura¹, S. K. Eskandari¹, J. Y. Choi¹, I. Salkuj¹, B. S. AI Dulaijan¹, H. Allos¹, J. Miao², L. V. Riella¹, A. K. Chandraker¹, J. R. Azzi¹
¹Brigham and Women's Hospital, Harvard Medical School, Boston, MA, ²Boston Children's Hospital, Harvard Medical School, Boston, MA
*Purpose: We previously demonstrated that donor-derived regulatory dendritic cells (DCreg), contrary to recipient derived DCreg, promote antigen-specific allograft protection. As myeloid-derived suppressor cells (MDSC) show…
2019 American Transplant Congress
Intravenous Methamphetamine Does Not Appear To Be A Contraindication For Heart Donation In Heart Transplantation
A. Velleca, J. Patel, M. Kittleson, R. Levine, S. Dimbil, S. Mersola, M. Hamilton, F. Esmailian, J. A. Kobashigawa
Cedars-Sinai Smidt Heart Institute, Los Angeles, CA
*Purpose: Intravenous methamphetamine (IV meth) use in potential heart donors has been of concern due to the possibility of methamphetamine cardiomyopathy and transmission of infections.…
2019 American Transplant Congress
Perioperative Cardiac Xenograft Dysfunction after Orthotopic Transplantation is for Real
M. Mohiuddin¹, A. Singh¹, L. DiChiacchio¹, D. Kaczorowski¹, B. Lewis¹, T. Zhang¹, F. Sentz¹, I. Tatarov¹, D. Parsell¹, P. Odonkor¹, E. Strauss¹, B. Williams¹, K. Deatrick¹, D. Ayares², B. Griffith¹, S. Bartlett¹
¹Department of Surgery, University of Maryland Baltimore, Baltimore, MD, ²Revivicor, Inc, Blacksburg, VA
*Purpose: After successful prolongation of cardiac xenograft survival in a heterotopic position, the next step is to evaluate genetically engineered (GE) pig hearts for their…
2019 American Transplant Congress
IL-1β and IL-6 Facilitate T Cell Reconstitution in Heart Allograft Recipients Treated with Anti-Thymocyte Globulin
S. Hasgur, R. Fan, A. Valujskikh
Inflammation and Immunity, Cleveland Clinic, Cleveland, OH
*Purpose: Antibody-mediated lymphocyte depletion is used in solid organ and stem cell transplantation. However, T cell reconstitution after lymphoablation may lead to acute rejection and…
2019 American Transplant Congress
Anti-Complement Component 5 Antibody Based Immunosuppression Induced Accommodation in ABO Incompatible Heart Transplantation
S. Park¹, S. Lee¹, J. Hwang¹, J. Ryu², T. Koo², C. Ahn³, J. Yang⁴
¹Biomedical Research Institute, Seoul National University Hospital, Seoul, Korea, Republic of, ²Transplantation Center, Seoul National University Hospital, Seoul, Korea, Republic of, ³Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea, Republic of, ⁴Department of Surgery, Seoul National University Hospital, Seoul, Korea, Republic of
*Purpose: Plasmapheresis in combination with immunoglobulin and rituximab is often used to induce accommodation in ABO-incompatible (ABOi) living-donor transplantation; however, this regimen cannot be applied…
2019 American Transplant Congress
Heart-Associated Cytokine and Endothelial Patterns Dominate the Ischemia/Reperfusion Response in Recipients of Combined Heart/Lung Transplantation in Comparison to Lung Transplantation
F. Wandrer¹, B. Wiegmann², N. Ledwoch¹, R. Bellmas Sanz¹, F. Ius², W. Sommer², S. Rojas², C. Kühn², I. Tudorache², M. Avsar², A. Haverich², G. Warnecke², C. S. Falk¹
¹Institute of Transplant Immunology, Hannover Medical School, Hannover, Germany, ²Department for Cardiothoracic, Transplantation and Vascular Surgery, Hannover Medical School, Hannover, Germany
*Purpose: Organ-specific differences are discussed for ischemia/reperfusion injury (IRI) in cardiothoracic transplantation (Tx) but rarely compared directly in a clinical setting. Therefore, we compared a…
2019 American Transplant Congress
Treprostinil as a Bridge Therapy to Heart-Lung Transplants with Severe Pulmonary Arterial Hypertension
C. Ju, Q. Lian, B. Wei, X. Xu, J. He, R. Chen
State Key Lab of the Respiratory Disease, Guangzhou Institute of Respiratory Disease, Guangzhou, China
*Purpose: Heart-lung transplants (HLTx) is the only one effective strategy for advanced pulmonary arterial hypertension (PAH) with refractory right heart failure. But limited availability of…
2019 American Transplant Congress
Characterization of Intra-Exosomal Cargoes of Circulating Donor Heart Specific Exosomes in Murine Heart Transplantation Model
J. Harmon, V. Korutla, L. Korutla, R. Hu, S. Rostami, A. Habertheuer, P. Zielinski, A. Freas, C. Ram, A. Naji, M. Davis, P. Vallabhajosyula
Department of Surgery, University of Pennsylvania, Philadelphia, PA
*Purpose: Exosomes are tissue specific, bilayered, membrane-bound nanoparticles released by many types of cells into bodily fluids including blood and urine. Exosomes carry protein and…
2019 American Transplant Congress
Pre-Transplant Patient and Caregiver Assessments: A Systematic Review and Meta-Analysis
J. Lau, A. A. Rmilah, R. Mendpara, P. J. Erwin, C. C. Kennedy
Mayo Clinic, Rochester, MN
*Purpose: We sought to summarize the available literature regarding the psychosocial effects of the waiting period on pre-transplant adult heart or lung transplant candidates and…