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Publication : Lutein extends the lifespan of Drosophila melanogaster.

First Author  Zhang Zesheng Journal  Arch Gerontol Geriatr
Volume  58 Pages  153-9
PubMed ID  23993264 Abstract Text  Lutein is one of the major carotenoids in most fruits and vegetables. The effect of lutein on the lifespan of Drosophila melanogaster was investigated. Results revealed that 0.1mg lutein/ml diet could prolong their mean lifespan from 49.0 to 54.6 days. This was consistent with a significant reduction in malonyldialdehyde (MDA) level and increase in antioxidant enzyme activities of the flies fed with lutein-treated diet compared with those fed with basal diet. Paraquat (PQ) and H2O2 treatment tests demonstrated that lutein could prolong the survival time of the flies. Real-time polymerase chain reaction (RT-PCR) analysis indicated the gene expression of superoxide dismutase (SOD; SOD1 and SOD2), and catalase (CAT) in the lutein-treated group was up-regulated relative to that of the control group. It was concluded that the lifespan-prolonging activity of lutein was partially by up-regulation of endogenous antioxidant enzymes.
Doi  10.1016/j.archger.2013.07.007 Issue  1

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