Articles tagged "Heart/lung transplantation"

2021 American Transplant Congress
The Role of Notch2 in Antibody-mediated Alloimmune Response
R. Benedetti Gassen¹, N. Murakami², T. J Borges¹, A. Al Jurdi¹, A. Alessandrini¹, L. V Riella¹
¹Center of Transplantation Science, Massachusetts General Hospital, Boston, MA, ²Brigham and Women's Hospital, Boston, MA
*Purpose: Antibody mediated rejection is the leading cause of chronic allograft rejection. Developing a novel therapeutic target to inhibit chronic rejection is an urgent need…
2021 American Transplant Congress
P40 Homodimers Induce Il-15 to Promote Endogenous Donor-reactive Memory Cd8 T Cell Activation within High-risk Cardiac Allografts
H. Tsuda, A. Valujskikh, R. Fairchild
Inflammation and Immunity, Cleveland Clinic, Cleveland, OH
*Purpose: Longer cold ischemic storage (CIS) time prior to transplant results in increased proliferation of endogenous donor-reactive memory CD8 T cells within complete MHC-mismatched cardiac…
2021 American Transplant Congress
Life-supporting Multi-gene Cardiac Xenografts From Swine Demonstrate Survival >8 Months and Preclinical Efficacy for Human Clinical Trials
C. Goerlich¹, B. Griffith¹, A. Singh¹, T. Zhang¹, I. Tatarov¹, B. Lewis¹, F. Sentz¹, A. Hershfeld¹, P. Odonkor¹, B. Williams¹, E. Strauss¹, A. Tabatabai², A. Bhutta³, D. Ayares⁴, D. Kaczorowski¹, M. Mohiuddin¹
¹Surgery, University of Maryland School of Medicine, Baltimore, MD, ²Department of Medicine, Division of Pulmonary and Critical Care Medicine, University of Maryland School of Medicine, Baltimore, MD, ³Pediatrics, Pediatric Critical Care Medicine, University of Maryland School of Medicine, Baltimore, MD, ⁴Revivicor, Inc., Blacksburg, VA
*Purpose: Cardiac xenotransplantation has been proposed to bridge the gap in organ shortage for those in end-stage heart failure without the opportunity to receive a…
2021 American Transplant Congress
Outcomes of Hepatitis C Nucleic Acid Testing Positive Donors in Aviremic Recipients With Delayed Direct-Acting Antiviral Initiation
M. Hudson, A. Webb, A. Logan, A. Silverman, A. Brueckner
Pharmacy, Tampa General Hospital, Tampa, FL
*Purpose: The purpose of this study was to assess the clinical impact of utilizing hepatitis C virus (HCV) nucleic acid testing (NAT)+ donors in HCV…
2021 American Transplant Congress
Pilot Study for the Use of Shortened Preemptive Therapy with Glecaprevir/pibrentasvir (g/p) and Ezetimibe in Hepatitis C Seronegative Solid Organ Transplant Recipients (Kidney and Heart) of Hepatitis C Viremic Donors
B. Aqel¹, H. Khamash², A. Moss³, D. E. Steidley⁴, R. C. Dickson¹
¹Gastroenterology and Hepatology, Mayo Clinic, Phoenix, AZ, ²Nephrology and Hypertension, Mayo Clinic, Phoenix, AZ, ³Transplant Surgery, Mayo Clinic, Phoenix, AZ, ⁴Cardiology, Mayo Clinic, Phoenix, AZ
*Purpose: This prospective study aims to assess the efficacy of preemptive therapy with eight days of a combination of direct-acting antivirals (DAAs) (Mavyret) (Pibrentasvir /Glecaprevir)…
2021 American Transplant Congress
Inhibition of Fatty Acid Beta-Oxidation Prolongs Heart Allograft Survival
B. W. Wong, Y. Zhu, H. Dun, L. Ye
Surgery, Washington University School of Medicine, Saint Louis, MO
*Purpose: To test the therapeutic efficacy of pharmacological inhibition of fatty acid beta-oxidation (FAO) on acute heart allograft survival.*Methods: We used a heterotopic Balb/c donor…
2021 American Transplant Congress
A Novel Mouse Model of Cardiac Allograft Vasculopathy
H. Tsuda¹, E. Reed², W. Baldwin¹, R. Fairchild¹
¹Inflammation and Immunity, Cleveland Clinic, Cleveland, OH, ²Pathology and Laboratory Medicine, University of California, Los Angeles, CA
*Purpose: Cardiac allograft vasculopathy (CAV) is a major long-term complication of heart transplantation and the presence of donor specific antibodies (DSA) is associated with an…
2021 American Transplant Congress
Novel Morphologic Biomarkers of Cardiac Allograft Remodeling are Associated with Multiple Peri- and Post-transplant Inflammatory Processes
C. Yuan¹, S. Arabyarmohammadi¹, H. Li¹, E. Peyster², P. Lal³, M. Feldman³, K. Margulies², A. Madabhushi¹
¹Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, ²Cardiovascular Research Institute, University of Pennsylvania, Philadelphia, PA, ³University of Pennsylvania, Philadelphia, PA
*Purpose: It has long been recognized that transplanted hearts develop a stiffened, restrictive physiology at an accelerated rate compared to native hearts. While this is…
2021 American Transplant Congress
Anti-CD272 Antibody (6B2) Generated Foxp3⁺Regulatory T Cells and Suppressed Donor Specific Antibody in Murine Cardiac Transplant Model
Y. Yamamoto¹, M. Uchiyama², K. Uchida³, H. Yagita³, M. Niimi¹
¹Department of Surgery, Teikyo University, Tokyo, Japan, ²Department of Cardiovascular Surgery, Teikyo University, Tokyo, Japan, ³Juntendo University, Tokyo, Japan
*Purpose: The co-inhibitory receptor B and T lymphocyte attenuator (BTLA; CD272) has been implicated in the regulation of autoimmune and may potentially play an important…
2021 American Transplant Congress
Cold Perfusion for Ischemia Minimization Reduces Cardiac Injury in an Ex Vivo Xenoperfusion Model
M. R. Connolly¹, A. Calhoun¹, F. Pollok¹, L. Burdorf¹, Z. Habibabady¹, M. Ma¹, S. Miura¹, W. Eyestone², C. Phelps², D. Ayares²
¹Massachusetts General Hospital, Boston, MA, ²Revivicor, Blacksburg, VA
*Purpose: Prior studies using Steen’s cold perfusion storage technique for heart ischemia minimization (IM) prevented initial xenograft dysfunction (IXD). Our pilot data evaluates the effect…