Articles tagged "Epstein-Barr virus (EBV)"

2019 American Transplant Congress
EBV+ PTLD in the Modern Immunosuppression Era: Role of EBV Serology and DNAemia-Preliminary Data from CTOT-C06
O. M. Martinez¹, S. M. Krams¹, M. A. Robien², M. Lapasaran¹, S. D. Boyd¹, B. Armstrong³, C. Twist⁴, K. Weinberg¹, D. Gratzinger¹, B. Tan¹, M. Sever³, D. Ikle³, M. Brown², D. Bernstein¹, C. O. Esquivel¹
¹Stanford University Sch of Med, Stanford, CA, ²NIAID/NIH, Rockville, MD, ³Rho, Chapel Hill, NC, ⁴Roswell Park, Buffalo, NY
*Purpose: Post-transplant lymphoproliferative disorder (PTLD) remains a serious problem in the pediatric transplant population. The Clinical Trials of Organ Transplantation in Children (CTOT-C)-06 is an…
2019 American Transplant Congress
Lower Rates of Epstein-Barr Virus Viremia and Post-Transplant Lymphoproliferative Disease in Pediatric Solid Organ Transplant Recipients Who Received Valganciclovir Prophylaxis
E. A. Moulton¹, M. Karandikar², S. Bond³, S. Burchett², T. Sharma², F. M. Marty³
¹Baylor College of Medicine, Houston, TX, ²Boston Children's Hospital, Boston, MA, ³Brigham and Women's Hospital, Boston, MA
*Purpose: Antiviral prophylaxis to prevent post-transplant lymphoproliferative disease (PTLD) remains controversial, but some data suggest that valganciclovir or ganciclovir use in Epstein-Barr virus (EBV) high-risk…
2019 American Transplant Congress
Regulation of Host microRNA Expression by Natural Variants of Epstein Barr Virus (EBV) Latent Membrane Protein 1 (LMP1)
O. Hatton¹, A. Harris-Arnold², A. Hui², E. Maloney², S. M. Krams², O. M. Martinez²
¹Molecular Biology, Colorado College, Colorado Springs, CO, ²Program in Immunology and Department of Surgery, Stanford University, Stanford, CA
*Purpose: Malignancies attributable to EBV, such as post-transplant lymphoproliferative disorder (PTLD), represent 1.8% of global cancer deaths. PTLD occurs in 1-20% of transplant recipients and…
2019 American Transplant Congress
Mass Cytometry-Based Characterization of Adaptive Immunity in Transplant Recipients with Self-Limiting or Chronic EBV Viremia
V. H. Ferreira¹, C. J. Guidos², A. Humar¹, D. Kumar¹
¹UHN, Toronto, ON, Canada, ²SickKids Research Inst, Toronto, ON, Canada
*Purpose: SOT recipients are at high risk for EBV-associated PTLD. EBV viremia is a risk factor for PTLD. In some patients viremia is self-limited while…
2018 American Transplant Congress
Detection of Different Gene Expression Profiles in CD8⁺ T Cells from Chronic High EBV Load Carriers after Pediatric Heart and Liver Transplantation
M. Yamada,^1,2 C. Macedo,² X. Gu,² M. Michaels,^1,2 M. Green,^1,2 C. Nguyen,^1,2 U. Chandran,³ B. Feingold,^1,2 G. Mazariegos,^1,2 D. Metes.^1,2
¹Children's Hospital of Pittsburgh of UPMC, Pittsburgh, PA; ²Thomas E. Starzl Transplantation Institute, Pittsburgh, PA; ³Biomedical Informatics, University of Pittsburgh, Pittsburgh, PA.
Background: EBV infection and post-transplant lymphoproliferative disorders (PTLD) are life-threatening complications of pediatric solid organ transplantation (Tx). The risk for PTLD varies by transplanted organ,…
2018 American Transplant Congress
Viral-Specific Cytotoxic T-Cell (Viral-Tc) Responses in Highly-HLA-Sensitized Patients (HS) Maintained on Tacrolimus and Everolimus Post-HLAi Kidney Transplant
S. Ge,¹ M. Chu,¹ A. Karasyov,¹ D. Lovato,¹ J. Kahwaji,² A. Vo,¹ J. Choi,¹ S. Louie,¹ S. Jordan,¹ M. Toyoda.¹
¹Comprehensive Transplant Center, Cedars-Sinai Medical Center, Los Angeles, CA; ²Kidney Transplantation, Kaiser Permanente Medical Center, Los Angeles, CA.
Introduction: Viral infections represent significant infectious complications post- kidney transplant which may be increased with desensitization. CMV, EBV and BKV infections are the most prevalent.…
2018 American Transplant Congress
Peptides Encoded by EBV Latent Cycle Proteins Affect NK Cell Reactivity
B. Mbiribindi, C. Romero Moreno, C. Esquivel, O. Martinez, S. Krams.
Department of Surgery, Stanford University School of Medicine, Stanford, CA.
Introduction: Epstein–Barr virus (EBV) infects more than 90% of adults worldwide and is associated with several malignancies, including post-transplant lymphoproliferative disorder (PTLD). Although EBV infection…
2018 American Transplant Congress
Do We Need to Worry about EBV DNAemia in the Late Post-Transplant Period?
M. Morton,¹ K. Daga,² P. Klapper,² M. Picton,¹ P. Vallely.²
¹Department of Renal Medicine, Manchester Royal Infirmary, Manchester, United Kingdom; ²University of Manchester, Manchester, United Kingdom.
Background: Despite detectable Epstein-Barr virus (EBV) in blood, kidney transplant patients (KTR) may have no apparent clinical consequence. This study aims to explore the clinical…
2018 American Transplant Congress
Lymphocyte Proportions Post Thymectomy Are Associated with Allergic Disorders in Heart Transplanted Children
T. Kim,¹ L. Ionescu,^1,2,3 N. Avdimiretz,⁴ M. Larsen,^1,2,3 F. Murdoch,^1,2 B. Motyka,^1,2,3 S. Gilmour,^1,2 L. West,^1,2,3 S. Urschel.^1,2,3
¹Pediatrics, University of Alberta, Edmonton, AB, Canada; ²Stollery Children's Hospital, Edmonton, AB, Canada; ³Alberta Transplant Institute, Edmonton, Canada; ⁴The Hospital for Sick Children, Toronto, Canada.
Background: Allergic disorders are more common in pediatric heart transplant (HTx) recipients than non-transplanted children, with young age at HTx and thymectomy being risk factors.…
2018 American Transplant Congress
Decreased Post Heart Transplant Survival with Epstein-Barr Virus Mismatch in the Current Era
M. Kittleson, J. Patel, E. Kransdorf, S. Dimbil, R. Levine, S. Mersola, D. Geft, D. Chang, L. Czer, J. Kobashigawa.
Cedars Sinai Medical Center, Los Angeles.
Purpose: Epstein-Barr virus (EBV) has been implicated in a multitude of cancers, including B-cell lymphoma, Burkitt's lymphoma, CNS lymphoma, gastric cancer and nasopharyngeal carcinoma. Previous…

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