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HCV-associated lymphomas.

Massimo Fiorilli1, Cristina Mecucci, Patrizia Farci

  • 1Department of Clinical Medicine, University of Rome La Sapienza, Viale dell'Università, 37, 00185 Rome, Italy. Massimo.Fiorilli@uniroma1.it

Reviews in Clinical and Experimental Hematology
|May 8, 2004
PubMed
Summary

Hepatitis C virus (HCV) is linked to certain B-cell non-Hodgkin lymphomas (B-NHL). Successful antiviral therapy can lead to lymphoma regression, confirming HCV

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Area of Science:

  • Virology and Oncology
  • Immunology and Hematology

Background:

  • Epidemiologic and molecular studies suggest Hepatitis C virus (HCV) as a potential cause for specific B-cell non-Hodgkin lymphomas (B-NHL).
  • In Italy, approximately 5% of B-NHL cases are associated with HCV infection.

Discussion:

  • HCV-associated B-NHL shows a strong link to type II mixed cryoglobulinemia, characterized by benign monoclonal proliferation of B cells.
  • These B cells express a WA cross-reactive idiotype, potentially recognizing HCV antigens like the E2 protein.
  • Genetic alterations during antigen-driven clonal expansion may trigger neoplastic transformation.

Key Insights:

  • A direct role of HCV in B-cell lymphomagenesis is supported by molecular and clinical observations.
  • The regression of splenic B-cell lymphomas after antiviral treatment highlights the virus's causative involvement.

Outlook:

  • Further research into the mechanisms of HCV-induced lymphomagenesis is warranted.
  • Antiviral therapies may offer a novel treatment strategy for HCV-associated B-NHL.

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