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Esquivel AR, Douglas JC, Loughran RM, Rezendes TE, Reed KR, Cains THL, Emsley SA, Paddock WA, Videau P, Koyack MJ, Paddock BE. Assessing the influence of curcumin in sex-specific oxidative stress, survival and behavior in Drosophila melanogaster. J Exp Biol 2020; 223:jeb223867. [PMID: 33037110 DOI: 10.1242/jeb.223867] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Accepted: 09/30/2020] [Indexed: 11/20/2022]
Abstract
Oxidative stress, which occurs from an imbalance of reactive oxygen and nitrogen species (RONS) and both endogenous and exogenous antioxidants, promotes aging and underlies sex-specific differences in longevity and susceptibility to age-related neurodegeneration. Recent evidence suggests that curcumin, a yellow pigment derived from turmeric and shown to exhibit antioxidant properties as a RONS scavenger, influences the regulation of genetic elements in endogenous antioxidant pathways. To investigate the role of curcumin in sex-specific in vivo responses to oxidative stress, Drosophila were reared on media supplemented with 0.25, 2.5 or 25 mmol l-1 curcuminoids (consisting of curcumin, demethoxycurcumin and bisdemethoxycurcumin) and resistance to oxidative stress and neural parameters were assessed. High levels of curcuminoids exhibited two sex-specific effects: protection from hydrogen peroxide as an oxidative stressor and alterations in turning rate in an open field. Taken together, these results suggest that the influence of curcuminoids as antioxidants probably relies on changes in gene expression and that sexual dimorphism exists in the in vivo response to curcuminoids.
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Affiliation(s)
- Abigail R Esquivel
- Department of Biology, Southern Oregon University, Ashland, OR 97520, USA
| | - Jenna C Douglas
- Department of Biology, Southern Oregon University, Ashland, OR 97520, USA
| | - Rachel M Loughran
- Department of Biology, Southern Oregon University, Ashland, OR 97520, USA
| | - Thomas E Rezendes
- Department of Biology, Southern Oregon University, Ashland, OR 97520, USA
| | - Kaela R Reed
- Department of Chemistry, Southern Oregon University, Ashland, OR 97520, USA
| | - Tobias H L Cains
- Department of Biology, Southern Oregon University, Ashland, OR 97520, USA
| | - Sarah A Emsley
- Department of Biology, Southern Oregon University, Ashland, OR 97520, USA
| | - William A Paddock
- Department of Institutional Research, Arcadia University, Glenside, PA 19038 USA
| | - Patrick Videau
- Department of Biology, Southern Oregon University, Ashland, OR 97520, USA
| | - Marc J Koyack
- Department of Chemistry, Southern Oregon University, Ashland, OR 97520, USA
| | - Brie E Paddock
- Department of Biology, Southern Oregon University, Ashland, OR 97520, USA
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