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SV40 and the pathogenesis of mesothelioma
P Rizzo1, M Bocchetta, A Powers
1Cancer Immunology Program, Cardinal Bernardin Cancer Center, Department of Pathology, Loyola University Chicago, Maywood, IL 60153, USA.
Abstract:
Malignant mesothelioma, a tumor of the pleura, pericardium, and peritoneum, is presently a worldwide problem. Current therapy is ineffective in slowing the course of the disease, and median survival from the time of diagnosis is rarely greater than 1 year. While the tumor was almost unknown prior to the second half of the twentieth century, it is presently responsible for more than 2000 deaths per year in the US alone. Mesothelioma is frequently associated with exposure to asbestos, but the incidence of cases involving individuals with low levels of asbestos exposure is increasing. For this reason, there has been much interest in studying whether there are alternative factors that act alone or in conjunction with asbestos in producing this malignancy. In the last decade, simian virus 40 (SV40) has become the most notable suspected agent.
Insights
Malignant mesothelioma is a deadly cancer with poor survival rates. Research suggests simian virus 40 (SV40) may be a significant factor in mesothelioma development, alongside asbestos exposure.
Area of Science:
- Oncology
- Virology
- Environmental Health
Background:
- Malignant mesothelioma is a globally significant cancer affecting the pleura, pericardium, and peritoneum.
- Current treatments offer limited efficacy, with median survival typically under one year post-diagnosis.
- Mesothelioma incidence is rising, even in individuals with low asbestos exposure levels.
Purpose of the Study:
- To investigate potential etiological factors contributing to malignant mesothelioma.
- To explore alternative agents, besides asbestos, that may cause mesothelioma.
- To assess the role of simian virus 40 (SV40) as a potential carcinogen for mesothelioma.
Main Methods:
- Review of epidemiological data concerning mesothelioma incidence.
- Analysis of case studies linking asbestos exposure and mesothelioma.
- Investigation into the association between simian virus 40 (SV40) and mesothelioma development.
Main Results:
- Malignant mesothelioma remains a significant health concern with poor patient outcomes.
- Increasing mesothelioma cases are observed in individuals with minimal asbestos exposure.
- Simian virus 40 (SV40) has emerged as a prominent suspected agent in recent years.
Conclusions:
- The rising incidence of mesothelioma necessitates exploring factors beyond asbestos.
- Simian virus 40 (SV40) is a key area of focus for understanding mesothelioma etiology.
- Further research is crucial to elucidate the role of SV40 in mesothelioma pathogenesis.