phytochemical constituents and toxicity of duguetia furfuracea hydroalcoholic extract in drosophila melanogaster
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ID: 189740
2014
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Abstract
Duguetia furfuracea is frequently used as a medicinal plant in Brazil. However, studies have evidenced its cytotoxic, bactericide, and antitumor activities. In the present study we aimed to evaluate the potential toxicity of hydroalcoholic leaves extracts of D. furfuracea (HEDF) in a Drosophila melanogaster model. Toxicity was assessed as changes in locomotor performance, mitochondrial activity, oxidative stress, MAPKs phosphorylation, and apoptosis induction after exposure to HEDF concentrations (1–50 mg/mL) for 7 days. The phytoconstituents of the plant were screened for the presence of alkaloids, tannins, xanthones, chalcones, flavonoids, aurones, and phenolic acids. Exposure of adult flies to HEDF caused mitochondrial dysfunction, overproduction of ROS, and alterations in the activity of detoxifying enzymes GST, SOD and CAT. Induction of ERK phosphorylation and PARP cleavage was also observed, indicating occurrence of HEDF-induced cell stress and apoptotic cell death. In parallel, alterations in cholinesterase activity and impairments in negative geotaxis behavior were observed. Our study draws attention to the indiscriminate use of this plant by population and suggests oxidative stress as a major mechanism underlying its toxicity.
| Reference Key |
pinho2014evidence-basedphytochemical
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|---|---|
| Authors | ;Francisca Valéria Soares de Araújo Pinho;Gustavo Felipe da Silva;Giulianna Echeverria Macedo;Katiane Raquel Muller;Illana Kemmerich Martins;Ana Paula Lausmann Ternes;José Galberto Martins da Costa;Margareth Linde Athayde;Aline Augusti Boligon;Jean Paul Kamdem;Jeferson Luis Franco;Irwin Rose Alencar de Menezes;Thaís Posser |
| Journal | ACS applied materials & interfaces |
| Year | 2014 |
| DOI |
10.1155/2014/838101
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| URL | |
| Keywords |
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