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Articles tagged "Post-transplant lymphoproliferative disorder (PTLD)"

  • 2018 American Transplant Congress

    Multi-Visceral Transplant in an HIV Positive Recipient – One Year Survival

    S. Nagaraju, R. Mangus, J. Fridell.

    Surgery, Indiana University School of Medicine, Indianapolis, IN.

    Human immunodeficiency virus (HIV) is associated with hypercoagulability and thrombotic events. Highly active anti-retroviral therapy (HAART) has improved long term survival. More patients with HIV…
  • 2018 American Transplant Congress

    Genomic Modifications Associated with Epstein Barr Virus+ Post-Transplant Lymphoproliferative Disorder

    M. McPherson,1 Y. Balachandran,1 S. Boyd,2 H. Zimmermann,3 R. Trappe,3 C. Esquivel,1 S. Krams,1 O. Martinez.1

    1Department of Surgery, Stanford University School of Medicine, Stanford, CA; 2Department of Pathology, Stanford University School of Medicine, Stanford, CA; 3Department of Haematology and Oncology, DIAKO Ev. Diakonie-Krankenhaus Bremen, Bremen, Germany.

    Epstein Barr Virus (EBV) is nearly ubiquitous in the human population, yet EBV infection is typically asymptomatic. Nevertheless, immunosuppressed transplant recipients are susceptible to EBV+…
  • 2018 American Transplant Congress

    Genomic Diversity of Epstein Barr Virus in Post-Transplant Lymphoproliferative Disorder

    E. Maloney,1 V. Busque,2 S. Hui,2 S. Krams,1,2 C. Esquivel,1,2 O. Martinez.1,2

    1Stanford Immunology, Stanford University School of Medicine, Stanford, CA; 2Department of Surgery/Division of Abdominal Transplantation, Stanford University School of Medicine, Stanford, CA.

    Purpose: In transplant recipients, Epstein-Barr Virus (EBV) is associated with the development of B cell lymphomas in post-transplant lymphoproliferative disorder (PTLD). We utilized next-generation sequencing…
  • 2018 American Transplant Congress

    The MicroRNA Landscape of EBV+ and EBV- PTLD

    Y. Balachandran,1 H. Zimmermann,2 C. Esquivel,1 S. Krams,1 R. Trappe,2 O. Martinez.1

    1Transplant Immunology Laboratory/Division of Abdominal Transplant, Stanford University, Stanford; 2Department of Haematology and Oncology, DIAKO Ev. Diakonie-Krankenhaus Bremen, Bremen, Germany.

    Post-transplant lymphoproliferative disorder (PTLD) is a potentially fatal complication of organ transplantation characterized by abnormal proliferation of lymphoid cells in the setting of immunosuppression after…
  • 2018 American Transplant Congress

    Incidence of Epstein Barr Virus (EBV) DNAemia in EBV-Seronegative Solid Organ Transplant (SOT) Recipients with EBV-Seropositive Donors

    C. Burton,1 C. Mabilangan,2 J. Preiksaitis.2

    1Pediatrics, University of Alberta, Edmonton, Canada; 2Medicine, University of Alberta, Edmonton, Canada.

    Purpose: Since 2002, a pre-emptive approach to post-transplant lymhoproliferative disease prevention has been used at our center that includes EBV viral load (VL) monitoring in…
  • 2018 American Transplant Congress

    Prospective Analysis of EBV+ PTLD Incidence in Pediatric Transplant Recipients in the Modern Era

    O. Martinez,1 S. Krams,1 M. Lapasaran,1 S. Boyd,2 D. Bernstein,2 C. Twist,3 K. Weinberg,2 D. Gratzinger,2 B. Tan,2 B. Armstrong,4 D. Ikle,4 M. Brown,5 M. Robien,5 C. Esquivel,1 The CTOTC-06 Investigators.

    1Surgery/Division of Abdominal Transplantation, Stanford University School of Medicine, Stanford; 2Stanford University School of Medicine, Stanford; 3Roswell Park, Buffalo; 4Rho, Chapel Hill; 5NIAID/NIH, Bethesda.

    Post-transplant lymphoproliferative disorder (PTLD) remains a serious problem in the pediatric transplant population. The Clinical Trials of Organ Transplantation in Children (CTOTC)-06 is an NIAID-sponsored…
  • 2018 American Transplant Congress

    Programmed Cell Death Ligand 1 (PD-L1) Expression is Associated with Subtypes of Post-Transplant Lymphoproliferative Disorders (PTLD)

    N. Rodig,1 G. Pinkus,2 G. Ramos Gonzalez,3 T. Agur,1 O. Weinberg.4

    1Pediatrics, Boston Children's Hospital, Boston, MA; 2Pathology, Brigham and Women's Hospital, Boston, MA; 3Surgery, Boston Children's Hospital, Boston, MA; 4Pathology, Boston Children's Hospital, Boston, MA.

    Introduction: PD-L1 expression on select tumor cells engages the PD-1 receptor on T cells, inhibiting anti-tumor immune responses. PD-L1 has been detected in cases of…
  • 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

    Characterization of Viral and Host Cell Genomic Alterations in EBV+ PTLD

    Y. Balachandran,1 M. McPherson,1 S. Boyd,2 C. Esquivel,1 S. Krams,1 O. Martinez.1

    1Abdominal Transplant, Stanford University, Stanford; 2Pathology, Stanford University, Stanford.

    Post-transplant lymphoproliferative disorder (PTLD) is a potentially fatal complication of organ transplantation characterized by abnormal proliferation of lymphoid cells in the setting of immunosuppression after…
  • 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…
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