Am J Transplant, Volume 21, Suppl 3 Archives - Page 98 of 139 - ATC Abstracts

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
Molecular Epidemiology of Extended-Spectrum Cephalosporin-Resistant Enterobacterales Bloodstream Infections Among Solid Organ Transplant Recipients
J. A. Anesi¹, E. Lautenbach¹, P. D. Tamma², K. A. Thom³, K. Alby⁴, E. A. Blumberg¹, W. Bilker¹, J. Omorogbe¹, P. Tolomeo¹, A. Werzen³, J. Han⁵
¹University of Pennsylvania, Philadelphia, PA, ²Johns Hopkins University, Baltimore, MD, ³University of Maryland, Baltimore, MD, ⁴University of North Carolina, Chapel Hill, NC, ⁵GlaxoSmithKline, Rockville, MD
*Purpose: Solid organ transplant recipients (SOTR) have been significantly impacted by the emergence of multidrug-resistant bacteria, including extended-spectrum cephalosporin-resistant (ESC-R) Enterobacterales (EB). We determined the…
2021 American Transplant Congress
Pre-Transplant Frailty is Associated with 30-Day Mortality but Not Long-Term Survival After Liver Transplantation
M. Anderson, V. Valbuena, M. Englesbe, C. Sonnenday
Department of Surgery, University of Michigan Health System, Ann Arbor, MI
*Purpose: Frailty predicts waitlist death in liver transplant (LT) candidates, but the impact of frailty on mortality after LT is unknown. We investigated the association…
2021 American Transplant Congress
Dna-pkcs Regulation of the Allogeneic Immune Response
L. Burdine, M. Burdine, Z. Waldrip, D. Harrison
University of Arkansas, Little Rock, AR
*Purpose: Organ transplantation is life-saving and continued investigations into immunological mechanisms that drive organ rejection are needed to improve immunosuppression therapies and prevent graft failure.…
2021 American Transplant Congress
VP2 MRNA Distinguishes the Direct Injury and Inflammation Effects of Polyoma Virus (BK) Infection from the Cognate TCMR Response That Follows Immunosuppressive Minimization
P. F. Halloran¹, K. Famulski¹, K. S. Madill-Thomsen¹, G. Böhmig², G. Gupta³, M. Myślak⁴, O. Viklicky⁵, &. the INTERCOMEX Study Group⁶
¹Alberta Transplant Applied Genomics Centre, Edmonton, AB, Canada, ²Medical University of Vienna, Vienna, Austria, ³Virginia Commonwealth University, Richmond, VA, ⁴Pomeranian Medical University, Szczecin, Poland, ⁵Institute for Clinical and Experimental Medicine, Prague, Czech Republic, ⁶., Edmonton, AB, Canada
*Purpose: BK virus nephropathy (BKN) and T cell-mediated rejection (TCMR) are difficult to distinguish by histology but often coexist due to the necessity for immunosuppression…
2021 American Transplant Congress
Initial Kidney Transplant Evaluations with Telehealth: Is it a Pandemic Only Practice?
A. Govil¹, E. Tims², C. Siemer², J. Harris², C. King², S. Shah¹, C. Thakar¹
¹Univ of Cincinnati, Cincinnati, OH, ²UC Health, Cincinnati, OH
*Purpose: COVID -19 pandemic presented an unprecedented challenge to health care systems. It disrupted the transplant processes including evaluations, especially in rural or other geographically…
2021 American Transplant Congress
Randomized Phase 3 Open-label Study of Maribavir vs Investigator-assigned Therapy for Refractory/resistant Cytomegalovirus Infection in Transplant Recipients: Subgroup Analyses of Efficacy by Organ
R. K. Avery¹, E. A. Blumberg², D. Florescu³, N. Kamar⁴, D. Kumar⁵, J. Wu⁶, A. Sundberg⁶
¹Johns Hopkins Hospital, Baltimore, MD, ²University of Pennsylvania, Philadelphia, PA, ³University of Nebraska School of Medicine, Omaha, NE, ⁴Hôpital de Rangueil, Toulouse, France, ⁵University Health Network, Toronto, ON, Canada, ⁶Shire Human Genetic Therapies, Inc., a Takeda company, Lexington, KY
*Purpose: Therapeutic options for refractory, with/without resistance (R/R), CMV infections are limited. We report organ type subgroup analyses from a large multi-center trial that studied…
2021 American Transplant Congress
Laminin Alpha 4 and Alpha5 Differentially Regulate Lymph Node Tolerogenic Structure
L. Li¹, M. Shirkey¹, W. Piao¹, Y. Xiong¹, V. Saxena¹, T. Zhang¹, J. Iyyathurai², R. Lakhan¹, R. Abdi³, J. Bromberg¹
¹Surgery, UMB, Baltimore, MD, ²CVID, UMB, Baltimore, MD, ³Harvard University, Boston, MD
*Purpose: Lymph node (LN) stromal laminins α4 (Lama4) and α5 (Lama5) are associated with tolerance and immunity, respectively. We hypothesized that stromal Lama4 and Lama5…
2021 American Transplant Congress
Novel Discovery of Super-antigen That Mobilize Regulatory Cd8 T Cells Inhibits Donor-specific Antibody and Protects Heart Allografts from Antibody-mediated Rejection
J. Y. Choi¹, H. Nakagawa², Z. Solhjou¹, K. Yatim¹, H. Zhang³, P. Patel³, M. Tawfeek Mohammed³, L. Riella⁴, H. Kim², H. Cantor², J. Azzi¹
¹Brigham and Women's Hospital/Harvard Medical School, Boston, MA, ²Dana Farber Cancer Institute/Harvard Medical School, Boston, MA, ³Brigham and Women's Hospital, Boston, MA, ⁴Massachusetts General Hospital/Harvard Medical School, Boston, MA
*Purpose: Antibody-mediated rejection (AMR) is a critical barrier to long-term allograft survival. We showed that Qa-1 (HLA-E in humans) restricted CD8+ T cells (CD8 Treg)…
2021 American Transplant Congress
The Role of Pre-transplant Rectal Screening for Azole-resistant Candida Species in Liver Transplant Candidates
K. K. Patel¹, M. M. Azar², A. Koff³, K. Belfield⁴, D. R. Peaper⁵, J. Topal², M. Malinis²
¹Yale School of Medicine, New Haven, CT, ²Section of Infectious Diseases, Yale School of Medicine, New Haven, CT, ³Section of Infectious Diseases, UC Davis, Sacramento, CA, ⁴Department of Pharmacy, Yale New Haven Hospital, New Haven, CT, ⁵Department of Laboratory Medicine, Yale School of Medicine, New Haven, CT
*Purpose: Azole-resistant Candida (ARC) infections have become increasingly common among solid organ transplant recipients. Pre-transplant screening for ARC allows for targeted antifungal prophylaxis, which may…