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  • Title: Post-transplantation lymphoproliferative disease: Epstein-Barr virus DNA levels, HLA-A3, and survival.
    Author: Wheless SA, Gulley ML, Raab-Traub N, McNeillie P, Neuringer IP, Ford HJ, Aris RM.
    Journal: Am J Respir Crit Care Med; 2008 Nov 15; 178(10):1060-5. PubMed ID: 18755927.
    Abstract:
    RATIONALE: Elevation in Epstein-Barr virus (EBV) circulating DNA has been proposed as a marker for development of post-transplant lymphoproliferative disease (PTLD), but few published data exist in the study of lung-transplant recipients. OBJECTIVES: To determine if elevated EBV DNA levels, in combination with other risk factors, were predictive of PTLD. METHODS: We conducted a retrospective, single-center study examining all lung transplant recipients (n = 296) and EBV DNA levels (n = 612) using real-time TaqMan polymerase chain reaction. There were 13 cases of PTLD overall, of which 5 occurred in the era of EBV DNA monitoring. MEASUREMENTS AND MAIN RESULTS: EBV DNA levels were distributed differently among seropositive and seronegative patients, with the latter having higher values (P < 0.0001). Among the cohort of pretransplantation seropositive patients, there was one diagnosed with PTLD. The EBV DNA level in this patient was elevated at the time of PTLD diagnosis (sensitivity = 100%, specificity = 100% for PTLD). Among the cohort of pretransplantation seronegative patients, there were four with a diagnosis of PTLD. In all four patients, the EBV DNA level was detectable (sensitivity = 100%, specificity = 24%), but in only two was it elevated (sensitivity = 50%, specificity = 22%). HLA-A3 expression in the recipient and/or donor conferred additional risk for PTLD among the seronegative patients (P = 0.026 to 0.003). No other PTLD risk factor was found. CONCLUSIONS: EBV DNA levels are a useful but imperfect predictor of PTLD in patients with lung transplants. Pretransplant EBV status affected the results of the assay and should be considered when interpreting test results. HLA-A3 was strongly linked to PTLD and may be a novel marker of PTLD risk.
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