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Articles tagged "Epstein-Barr virus (EBV)"

  • 2016 American Transplant Congress

    Identification of MicroRNAs in EBV+ B Cell Lymphomas and Secreted Exosomes.

    V. Kaul, A. Harris-Arnold, C. Esquivel, O. Martinez, S. Krams.

    Division of Abdominal Transplantation, Dept. of Surgery, Stanford University, Stanford.

    Introduction Post-transplant lymphoproliferative disorder (PTLD) is a potentially fatal complication of organ transplantation commonly associated with Epstein Barr virus (EBV) infection. EBV viral loads are…
  • 2016 American Transplant Congress

    Examining the Risk for Post-Transplant Viral Infections and Lymphoproliferative Disorder (PTLD) in Kidney Transplant Patients (Pts) Receiving Calcineurin Inhibitor-Based Immunosuppression (CNI-IS) Compared to Belatacept (CTLA4Ig).

    B. Shin, J. Choi, J. Kahwaji, S. Ge, D. Thomas, A. Vo, O. Galera, R. Villicana, A. Peng, S. Jordan, M. Toyoda.

    Comprehensive Transplant Center, Cedars-Sinai Medical Center, Los Angeles, CA.

    Introduction: CTLA4Ig is a novel IS agent that acts through costimulatory blockade of T-cells and obviates the need for CNI. Despite benefits in improving renal…
  • 2016 American Transplant Congress

    Integrative, Multi-Cohort Analysis of Epstein-Barr Virus (EBV)-Positive and Negative Tumor Samples to Identify Gene-Signatures Associated with EBV Oncogenesis.

    E. Maloney, E. Bongen, F. Vallania, N. Kotecha, P. Khatri, O. Martinez.

    Stanford School of Medicine, Stanford, CA.

    EBV is linked to a variety of lymphoid and epithelial malignancies. In transplant recipients EBV is associated with the development of B cell lymphomas in…
  • 2016 American Transplant Congress

    Targeting the Constitutively Active PI3K/Akt/mTOR Signaling Pathway in Epstein-Barr Virus B Cell Lymphomas.

    A. Sang, G. Ivison, C. Esquivel, S. Krams, O. Martinez.

    Division of Abdominal Transplantation, Stanford School of Medicine, Stanford, CA.

    Epstein-Barr virus (EBV) B cell lymphomas in post-transplant lymphoproliferative disorder (PTLD) is a major problem in organ transplantation. Reduction of immunosuppression sometimes result in tumor…
  • 2015 American Transplant Congress

    Genetic Diversity Epstein-Barr Virus Latent Gene EBNA-1 Among Transplant Patients and Patients With Infectious Mononucleosis

    K. Sullivan,1 S. Isabel,1 E. Maria,1 P. Tara,1 Y. Simon,1 K. Nasser,1 N. Vicky,2 A. Upton.1

    1Department of Infections Diseases, Hospital for Sick Children, Toronto, ON, Canada; 2Transplant Centre, Hospital for Sick Children, Toronto, ON, Canada.

    Introduction:-The distribution of Epstein Barr Virus (EBV)-associated pathologies varies worldwide. It is associated with the majority of cases of post-transplant lymphoproliferative disorder (PTLD). The EBNA-1…
  • 2015 American Transplant Congress

    Preemptive Rituximab Therapy of Epstein-Barr Virus (EBV) Infection to Prevent Post-Transplant Lymphoproliferative Disease (PTLD) After Pediatric Solid Organ Transplantation (SOT)

    Y. Ahn,1 N.-J. Yi,2 S. Min,2 I.-S. Ha,1 H. Cheong,1 H. Kang.1

    1Department of Pediatrics, Seoul National University Children's Hospital, Seoul, Republic of Korea; 2Department of Surgery, Seoul National University College of Medicine, Seoul, Republic of Korea.

    Purpose: More than 90% of pediatric PTLD after solid organ transplantation is associated with EBV infection. Reduction in immunosuppression is the first step to prevent…
  • 2015 American Transplant Congress

    Identification of CXCR5+EBV-Specific CD8+ T Cells in Peripheral Blood of Pediatric Heart Transplant Recipients Correlates With IL-21 Production and EBV Reactivation

    C. Macedo,1 K. Hadi,1 D. Rowe,2 J. Luce,3 S. Webber,4 B. Feingold,3 D. Metes.1

    1Thomas E. Starzl Transplantation Institute, University of Pittsburgh, Pittsburgh; 2Infectious Diseases and Microbiology, University of Pittsburgh, Pittsburgh; 3Pediatrics-Cardiology, Children's Hospital of Pittsburgh of UPMC, Pittsburgh; 4Pediatrics, Vanderbilt University School of Medicine, Nashville.

    Approximately 70% of EBV asymptomatic pediatric heart transplant (HTx) recipients carry chronic EBV loads in peripheral blood. These EBV loads may occur due to impaired…
  • 2015 American Transplant Congress

    IL-2-Dependent Natural Killer Cell Responses to Epstein-Barr Virus B Cell Lymphomas Involve the NKG2A/NKG2C Axis

    O. Hatton, D. Strauss-Albee, C. Blish, C. Esquivel, S. Krams, O. Martines.

    Stanford University School of Medicine, Stanford, CA.

    Epstein Barr virus (EBV) infection elicits a strong host immune response that is considered to be essential for control of the virus and for preventing…
  • 2015 American Transplant Congress

    The Role of Antiviral Prophylaxis for the Prevention of Epstein-Barr Virus (EBV) Associated Post-Transplant Lymphoproliferative Disease (PTLD) in Solid Organ Transplant Recipients: A Systematic Review

    M. AlDabbagh,1,2 M. Gitman,3 D. Kumar, A. Humar, C. Rotstein, S. Husain.1,3

    1Medicine, Division of Infectious Diseases, University Health Network, Toronto, On, Canada; 2Pediatrics, Division of Infectious Diseases, King Abdulaziz Medical City, National Guard Health Affairs, Jeddah, Saudi Arabia; 3Multi-Organ Transplant Unit, University Health Network, Toronto, ON, Canada.

    Background The role of antiviral prophylaxis in EBV seronegative solid organ transplant recipients receiving organs from seropositive donors for prevention of PTLD remains controversial. We…
  • 2015 American Transplant Congress

    Clinical and Virologic Outcomes in High-Risk Adult EBV D+/R- Organ Transplant Recipients

    D. Kumar, N. Patil, S. Husain, C. Chaparro, A. Humar.

    UHN, Toronto, Canada.

    Background:EBV D+/R- organ transplant recipients are a high risk group for developing PTLD. This subgroup of patients has been primarily evaluated in pediatric populations with…
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