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Published on: August 26, 2014
[Fusarin C induced esophageal and forestomach carcinoma in mice and rats]
1Cancer Institute, Chinese Academy of Medical Sciences, Beijing.
Abstract:
Fusarium moniliforme, a fungus of established carcinogenic potential, is one of the most common fungal contaminants of maize, millet and other grains in Linxian, China, a high-risk county for human esophageal cancer. Fusarin C, a major product of F. moniliforme grown on corn in the laboratory, is mutagenic in Salmonella tester strains and in V79 cells. Fusarin C treated rat esophageal epithelial cell line showed several characteristics of malignant transformations including the growth in nude mice. The present work demonstrated that Fusarin C can induce esophageal and forestomach carcinoma in DBA mice and Wistar rats thus further substantiating the carcinogenicity of this mycotoxin.
Insights
Fusarin C, a mycotoxin from Fusarium moniliforme, is a potent carcinogen. This study confirms Fusarin C induces esophageal and forestomach tumors in rodents, highlighting its risk.
Area of Science:
- Mycology
- Toxicology
- Carcinogenesis
Background:
- Fusarium moniliforme contamination of grains is common in high-risk esophageal cancer regions.
- Fusarin C, a metabolite of F. moniliforme, exhibits mutagenic properties.
- Previous studies indicated malignant transformations in cell lines exposed to Fusarin C.
Purpose of the Study:
- To investigate the in vivo carcinogenicity of Fusarin C.
- To determine if Fusarin C can induce esophageal and forestomach tumors in animal models.
Main Methods:
- Administration of Fusarin C to DBA mice and Wistar rats.
- Histopathological examination of esophageal and forestomach tissues.
- Evaluation of tumor induction and characteristics.
Main Results:
- Fusarin C treatment led to the development of esophageal carcinoma in mice and rats.
- Forestomach tumors were also induced by Fusarin C in the experimental animals.
- These findings provide direct evidence of Fusarin C's carcinogenic effects in vivo.
Conclusions:
- Fusarin C is a confirmed carcinogen capable of inducing esophageal and forestomach cancers.
- This mycotoxin poses a significant health risk associated with contaminated grains.
- Further research into mitigation strategies is warranted.
