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Epstein-Barr virus in Hodgkin's disease
1Institute of Pathology, University Hospital Eppendorf, University of Hamburg, Germany.
Seminars in Cancer Biology
|August 1, 1996
Summary
Epstein-Barr virus (EBV) infection is a common genetic abnormality in Hodgkin's disease (HD), occurring before tumor cell expansion. EBV influences tumor cell characteristics and immune response in EBV-positive HD.
Area of Science:
- Oncology
- Virology
- Immunology
Background:
- Hodgkin's disease (HD) is a heterogeneous lymphoma characterized by CD30-positive tumor cells.
- Epstein-Barr virus (EBV) infection is a frequent genetic abnormality in HD, with geographical variations.
- EBV infection precedes the clonal expansion of tumor cells in HD.
Purpose of the Study:
- To investigate the role of EBV in the pathogenesis of Hodgkin's disease.
- To understand how EBV influences tumor cell characteristics and the local immune environment in HD.
Main Methods:
- Analysis of EBV presence and clonality in HD tumor cells.
- Assessment of EBV-encoded protein LMP1's influence on cellular processes.
- Evaluation of EBV-induced cytokine modulation and its impact on immunity.
Main Results:
- EBV is present in all tumor cells, with monoclonal episomes, indicating early infection.
- The EBV-encoded protein LMP1 affects differentiation antigen expression and apoptosis.
- EBV modulates cytokine expression, potentially inhibiting local EBV-specific immunity.
Conclusions:
- EBV plays a significant role in Hodgkin's disease pathogenesis.
- EBV infection influences tumor cell biology and the immune microenvironment in EBV-positive HD.