Abstracts Archive - Page 461 of 1683 - ATC Abstracts

2020 American Transplant Congress
Effectiveness of Bezlotoxumab for Prevention of Recurrent Clostridioides Difficile Infection among Transplant Recipients
V. Bajrovic¹, T. Johnson², A. Howard², L. Allen³, G. Barber², K. Schwarz², M. Huang³, M. Abidi¹, E. Benamu³, P. Ramanan³, M. Miller⁴
¹Division of Infectious Diseases, University of Colorado, Denver, CO, ²Department of Pharmacy, University of Colorado, Aurora, CO, ³Division of Infectious Diseases, University of Colorado, Aurora, CO, ⁴Department of Pharmacy, University of Colorado, Denver, CO
*Purpose: Clostridioides difficile is an urgent health threat associated with significant morbidity and mortality. Recipients of solid organ (SOT) and hematopoietic-cell transplantations (HCT) are at…
2020 American Transplant Congress
Multiplicity of Non-HLA Targets for Antibodies Developed in Association with Ventricular Assist Device Implantation
M. Askar, D. Bhakta, H. Zafar, A. Alam, L. Pittmon, S. Kang, L. Klingman, J. Felius, S. M. Joseph, D. Wencker, D. M. Meyer, S. A. Hall
Baylor University Medical Center and Baylor Scott & White Research Institute, Dallas, TX
*Purpose: Multiple non-HLA antibodies have been implicated in poor outcomes after heart transplantation. Development of HLA and Non-HLA antibodies have been reported in association with…
2020 American Transplant Congress
Ikaros Regulates Macrophage Inflammation in Liver Ischemia-Reperfusion Injury: From Mouse-to-Human
K. Kadono¹, S. Kageyama¹, K. Nakamura¹, H. Hirao¹, H. Kojima¹, T. Ito¹, K. J. Dery¹, X. Li², R. W. Busuttil¹, F. Kaldas¹, J. W. Kupiec-Weglinski¹
¹Liver Transplant Surgery, UCLA, Los Angeles, CA, ²NIEHS, Durham, NC
*Purpose: Hepatic ischemia-reperfusion injury (IRI) represents a major risk factor for early allograft dysfunction and rejection episodes in liver transplantation (LT). The impact of Ikaros,…
2020 American Transplant Congress
Chronic Kidney Disease Alters the T Cell Response to Murine Cytomegalovirus
R. L. Crepeau¹, H. Li¹, H. S. Koehler², M. L. Ford¹, P. D. Winterberg³
¹Surgery, Emory University, Atlanta, GA, ²Microbiology and Immunology, Emory University, Atlanta, GA, ³Pediatrics, Emory University, Atlanta, GA
*Purpose: We have previously reported that patients with chronic kidney disease (CKD) accumulate memory T cells bearing markers of sustained antigen stimulation and enhanced pro-inflammatory…
2020 American Transplant Congress
Examination of the TIGIT/CD226 Axis in Kidney Transplant Recipients
G. J. Kavalam, A. D. Desai, A. Chandraker, S. Tripathi
Renal, Brigham and Women's Hospital, Boston, MA
*Purpose: The T-cell immunoglobulin and immunoreceptor tyrosine-based inhibitory motif domain (TIGIT) and CD226, two poliovirus receptor-like proteins, are an emerging group of immune checkpoints with…
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
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
Cmv Infection Sensitizes Transplant Recipients by Promoting Alloreactive T Cell Response
S. Yu, A. Dangi, X. Luo
Nephrology/Medicine, Duke University, Durham, NC
*Purpose: Cytomegalovirus (CMV) infection has been associated with allograft rejection in immunosuppressed transplant recipients. We have previously shown that acute CMV infection impairs the induction…
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
Detrimental Effects of Donor Brain Death on Tolerance Induction May be Eliminated by Delaying Mixed Chimerism in Non-Human Primates
J. M. O¹, W. Sommer², K. Ahrens¹, P. Patel¹, D. Becerra¹, J. Morrissette¹, T. Costa¹, K. Pruner¹, J. Paster¹, A. Bean¹, A. Dehnadi¹, I. Hanekamp¹, I. Rosales¹, R. Smith¹, R. Colvin¹, G. Benichou¹, J. Allan³, T. Kawai¹, J. Madsen⁴
¹Center for Transplantation Sciences, MGH, Boston, MA, ²Department for Cardiothoracic, Transplantation and Vascular Surgery, Hannover Medical School, Hannover, Germany, ³Division of Thoracic Surgery, MGH, Boston, MA, ⁴Division of Cardiac Surgery, MGH, Boston, MA
*Purpose: Induction of tolerance to heart allografts in non-human primates is possible with kidney cotransplantation and mixed chimerism-based induction therapy. However, donor brain death abrogates…