Aspartame administered in feed, beginning prenatally through life span, induces cancers of the liver and lung in male Swiss mice.
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Abstract
BACKGROUND: Aspartame (APM) is a well-known intense artificial sweetener used in more than 6,000 products. Among the major users of aspartame are children and women of childbearing age. In previous lifespan experiments conducted on Sprague-Dawley rats we have shown that APM is a carcinogenic agent in multiple sites and that its effects are increased when exposure starts from prenatal life. OBJECTIVE: The aim of this study is to evaluate the potential of APM to induce carcinogenic effects in mice. METHODS: Six groups of 62-122 male and female Swiss mice were treated with APM in feed at doses of 32,000, 16,000, 8,000, 2,000, or 0 ppm from prenatal life (12 days of gestation) until death. At death each animal underwent complete necropsy and all tissues and organs of all animals in the experiment were microscopically examined. RESULTS: APM in our experimental conditions induces in males a significant dose-related increasedincidence of hepatocellular carcinomas (P
Affiliation
Cesare Maltoni Cancer Research Center, Ramazzini Institute, Bentivoglio, Bologna, Italy.
External References
- PubMed ID:
- 20886530
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