Related Experiment Video
Updated: May 30, 2026

11:18
Expanding Cytotoxic T Lymphocytes from Umbilical Cord Blood that Target Cytomegalovirus, Epstein-Barr Virus, and Adenovirus
Published on: May 7, 2012
HCV infection and B-cell lymphomagenesis
Masahiko Ito1, Hideki Kusunoki, Keiko Mochida
1Department of Research on Blood and Biological Products, National Institute of Infectious Diseases, 4-7-1 Gakuen, MusashiMurayama-shi, Tokyo 208-0011, Japan.
Advances in Hematology
|July 27, 2011
Summary
Hepatitis C virus (HCV) infects B cells, potentially causing B-cell dysregulation and non-Hodgkin
Area of Science:
- Hepatology
- Immunology
- Virology
Background:
- Hepatitis C virus (HCV) is a significant global cause of chronic liver disease.
- HCV infection is increasingly recognized to affect not only liver cells but also immune cells, specifically B lymphocytes.
- B cells expressing the CD81 molecule are implicated as a target for HCV infection.
Purpose of the Study:
- To review current literature on the role of chronic Hepatitis C virus infection in B-cell lymphomagenesis.
- To elucidate the potential mechanisms by which HCV infection contributes to the development of B-cell lymphomas.
- To present findings from recent studies, including the authors' own research, on HCV and B-cell cancers.
Main Methods:
- Comprehensive review of existing scientific literature.
- Analysis of epidemiological data linking HCV infection and B-cell non-Hodgkin's lymphoma (NHL).
- Inclusion of original research findings to support the proposed mechanisms.
Main Results:
- HCV infection of B cells is associated with B-cell dysregulation disorders, including mixed cryoglobulinemia and rheumatoid factor production.
- Chronic HCV infection is linked to an increased incidence of B-cell lymphoproliferative disorders.
- Epidemiological evidence supports a correlation between chronic HCV and the development of B-cell non-Hodgkin's lymphoma (NHL).
Conclusions:
- Chronic Hepatitis C virus infection plays a potential role in the development of B-cell lymphomas.
- HCV-induced B-cell abnormalities are key factors in B-cell lymphomagenesis.
- Further research is warranted to fully understand the link between HCV and B-cell cancers.
Related Concept Videos
Cytomegalovirus Disease
Cytomegalovirus (CMV) disease is caused by human cytomegalovirus, a double-stranded DNA virus of the Herpesviridae family. While primary CMV infection is often asymptomatic in immunocompetent individuals, the virus can cause severe disease in neonates and immunocompromised patients. CMV is the most common cause of congenital viral infection in the United States, and a major pathogen in solid organ and hematopoietic stem cell transplant recipients.CMV is transmitted via bodily fluids, sexual...
Hepatitis
Hepatitis is an inflammatory condition of the liver most commonly caused by hepatotropic viruses (A–E), though non-infectious causes such as alcohol and drugs also exist.Hepatitis AHepatitis A virus (HAV) is a non-enveloped RNA virus of the Picornaviridae family. It is primarily transmitted via the fecal-oral route, typically through ingestion of contaminated food or water. After ingestion, HAV enters the bloodstream through the oropharynx or intestinal epithelium and reaches the liver. The...
Rous Sarcoma Virus (RSV) and Cancer
Rous Sarcoma virus or RSV was discovered by F. Peyton Rous in the year 1911 as a filterable transmissible agent that could cause tumors in chickens. He won a Nobel Prize for this discovery in 1966. His experiments clearly demonstrated that some cancers could be caused by infectious agents and led to the discovery of many more cancer-causing viruses in animals as well as humans.
RSV is a retrovirus that contains two copies of a plus-strand RNA genome. Its genome consists of four main open...
RSV is a retrovirus that contains two copies of a plus-strand RNA genome. Its genome consists of four main open...
Mechanisms of Retrovirus-induced Cancers
Retroviruses are RNA viruses that have been shown to cause cancers in diverse species, including chickens, mice, cats, and monkeys. The RNA genomes of these viruses are first reverse-transcribed into single and then double-stranded DNA (dsDNA) copies. This dsDNA called proviral DNA then integrates into the host genome. Subsequently, the host cell transcribes the proviral DNA in concert with the chromosomal DNA. This leads to the production of viral RNA and proteins that assemble at the host...
Mechanisms of Retrovirus-induced Cancers
Retroviruses are RNA viruses that have been shown to cause cancers in diverse species, including chickens, mice, cats, and monkeys. The RNA genomes of these viruses are first reverse-transcribed into single and then double-stranded DNA (dsDNA) copies. This dsDNA called proviral DNA then integrates into the host genome. Subsequently, the host cell transcribes the proviral DNA in concert with the chromosomal DNA. This leads to the production of viral RNA and proteins that assemble at the host...
B Cell Activation and Differentiation
The adaptive immune response, a sophisticated defense mechanism, relies on the activation and differentiation of B lymphocytes, or B cells. These processes enable our bodies to mount a tailored response against specific pathogens such as bacteria, free virus particles, toxins, and parasites.
When naive B cells encounter a specific antigen that can bind to the B cell receptor (BCR) on their surface, they undergo sensitization to respond to the antigen's presence. Sensitization begins with...
When naive B cells encounter a specific antigen that can bind to the B cell receptor (BCR) on their surface, they undergo sensitization to respond to the antigen's presence. Sensitization begins with...

