期刊
HISTOPATHOLOGY
卷 79, 期 4, 页码 451-464出版社
WILEY
DOI: 10.1111/his.14379
关键词
Burkitt lymphoma; cancer metabolism; Epstein-Barr virus; immunosuppression; lymphoma; lymphoproliferative disorder; viral metabolomics
Epstein-Barr virus (EBV) is a highly prevalent gamma herpesvirus worldwide, with a small percentage of infected individuals developing EBV-associated neoplasms. Advances in understanding EBV-host interactions and mechanisms of lymphomagenesis are helping to improve diagnostic methods for EBV-related tumors.
Epstein-Barr virus (EBV) is a ubiquitous gammaherpesvirus with >90% of the adult population worldwide harbouring latent infection. A small subset of those infected develop EBV-associated neoplasms, including a range of lymphoproliferative disorders (LPD). The diagnostic distinction of these entities appears increasingly relevant as our understanding of EBV-host interactions and mechanisms of EBV-driven lymphomagenesis improves. EBV may lower the mutational threshold for malignant transformation, create potential vulnerabilities related to viral alteration of cell metabolism and allow for improved immune targeting. However, these tumours may escape immune surveillance by affecting their immune microenvironment, limiting viral gene expression or potential loss of the viral episome. Methods to manipulate the latency state of the virus to enhance immunogenicity are emerging as well as the potential to detect so-called 'hit and run' cases where EBV has been lost. Finally, measurement of EBV DNA remains an important biomarker for screening and monitoring of LPD. Methods to distinguish EBV DNA derived from virions during lytic activation from latent, methylated EBV DNA present in EBV-associated neoplasms may broaden the utility of this testing, particularly in patients with compromised immune function. We highlight some of these emerging areas relevant to the diagnosis and treatment of EBV-associated LPD with potential applicability to other EBV-associated neoplasms.
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