Ana insect model for assessing arsenic toxicity: Arsenic elevated glutathione content in the musca domestica and trichoplusia ni
Journal Article
·
· Bulletin of Environmental Contamination and Toxicology
OSTI ID:135819
- Univ. of Nevada, Reno, NV (United States)
Throughout history, arsenic has acquired an unparalled reputation as a poison. Arsenic was used as a poison as early as 2000 B.C. The toxicity of arsenic (As) extends to mammals, fish, insects, plants and fungi. According to epidemiological evidence, inorganic arsenic compounds have been strongly suggested as human carcinogens. Human exposure to arsenic through various means is correlated with an increased incidence of skin, lung, and possibly liver cancers. Inorganic trivalent arsenic is systematically more poisonous than the pentavalent form and it is possible that pentavalent arsenic is reduced to the trivalent form before exerting any toxic effects. This study focuses on the potential to use two insect species, the housefly, Musca domestica and the cabbage looper moth, Trichoplusia ni, and a model for the study of arsenic toxicity. After 48 hours of exposure to Arsenic, a significant induction of Glutathione level and subsequent decrease in the level of GSSG in both species were observed. 21 refs., 2 figs., 1 tab.
- OSTI ID:
- 135819
- Journal Information:
- Bulletin of Environmental Contamination and Toxicology, Journal Name: Bulletin of Environmental Contamination and Toxicology Journal Issue: 6 Vol. 55; ISSN 0007-4861; ISSN BECTA6
- Country of Publication:
- United States
- Language:
- English
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