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  • Title: [Epstein-Barr virus presence in Colombian Hodgkin lymphoma cases and its relation to treatment response].
    Author: Quijano S, Saavedra C, Fiorentino S, Orozco O, Bravo MM.
    Journal: Biomedica; 2004 Jun; 24(2):163-73. PubMed ID: 15495596.
    Abstract:
    The role of Epstein-Barr virus as etiologic agent in Hodgkin lymphoma (HL) development has been supported by the detection of viral DNA in the Reed-Sternberg cell in a subset of HL, and the high levels of latent membrane protein 1 expression in these tumors. To gain further evidence of this relationship, lymph nodes from 67 patients with HL were analyzed for the presence of Epstein-Barr virus using EBERs in situ hybridization and LMP-1 immunohistochemistry. Virus presence was related to histological subtype, patients' treatment response and tumor infiltrating lymphocytes phenotype. EBERs transcripts were found in 67% of the cases and LMP-1 in the Reed-Sternberg tumor cells at a 56.7% rate. The prevalence, as determined by histological subtype, was 69.81% for nodular sclerosing, 85.71% for mixed cellularity and 40% for lymphocyte-rich. Epstein-Barr virus presence was more frequent in children (84.2%) in comparison with adults (60.4%). Positive patients presented higher failure-free survival rates than Epstein-Barr virus negative patients. CD4 positive infiltrating T cells were present in a higher proportion in relation to CD8 positive T infiltrating cells, the mean percentages for both subsets were higher in Epstein-Barr virus positive cases. A high percentage of Epstein-Barr virus was present in HL with a probable association with treatment response. This suggests an application of Epstein-Barr virus detection to use as a prognosis marker in treatment response for HL cases.
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