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Updated: Jul 19, 2026

Generation of Subcutaneous and Intrahepatic Human Hepatocellular Carcinoma Xenografts in Immunodeficient Mice
Published on: September 25, 2013
Common human viruses as carcinogen vectors
Abstract:
Single doses of pairs of viruses and organic carcinogens (in amounts too small in themselves to induce tumors) were administered to male Swiss mice free of polyoma virus. Malignant tumors developed in groups of mice injected with five of the carcinogen-virus pairs. Prior immunization against the virus of a pair prevented tumor formation by that pair. Carcinogen binding by poliovirus 2 was demonstrated in vitro.
Insights
Viruses can help small amounts of carcinogens cause tumors in mice. Preventing the viral infection stopped tumor growth, showing a link between viruses and cancer development.
Area of Science:
- Oncology
- Virology
- Carcinogenesis
Background:
- Carcinogens are agents known to cause cancer.
- Viruses can play a role in disease development.
- The interaction between viruses and carcinogens requires further investigation.
Purpose of the Study:
- To investigate the synergistic effect of viruses and carcinogens on tumor formation.
- To determine if viral activity is necessary for carcinogen-induced tumors.
Main Methods:
- Male Swiss mice were administered single doses of carcinogens and viruses.
- Tumor development was monitored in mice exposed to carcinogen-virus pairs.
- Mice were pre-immunized against specific viruses to assess the role of viral immunity.
Main Results:
- Malignant tumors developed in mice exposed to five specific carcinogen-virus combinations.
- Tumor formation was prevented in mice immunized against the respective viruses.
- In vitro studies demonstrated poliovirus 2 binding to carcinogens.
Conclusions:
- Viruses can act as co-factors in carcinogen-induced tumor formation.
- Viral presence and activity are critical for the observed synergistic oncogenic effect.
- Targeting viral components may offer a strategy to prevent carcinogen-induced cancers.
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