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• Durmaz Kurşun, Öznur Ece(1)
• Er, Beşir(1)
• Erten, Füsun(1)
• Juturu, Vijaya(1)
• Orhan, Cemal(1)
• Tuzcu, Mehmet(1)
• Şahin, Kazim(1)
• Şahin, Nurhan(1)

• MakaleAçık Erişim2021Scopus SJRQ3/r/munzur/3569
  Lutein/zeaxanthin isomers regulate neurotrophic factors and synaptic plasticity in trained rats

  Orhan, Cemal; Erten, Füsun; Er, Beşir; Tuzcu, Mehmet; Şahin, Nurhan; Durmaz Kurşun, Öznur Ece; Juturu, Vijaya; Şahin, Kazim

  Background/aim: This study was conducted to elucidate the effects of lutein/zeaxanthin isomers (L/Zi) on lipid metabolism, oxidative stress, NF-κB/Nrf2 pathways, and synaptic plasticity proteins in trained rats. Materials and methods: Wistar rats were distributed into four groups: 1) control, 2) L/Zi: rats received L/Zi at the dose of 100 mg/kg by oral gavage, 3) exercise, 4) exercise+L/Zi: rats exercised and received L/Zi (100 mg/kg) by oral gavage. The duration of the study was eight weeks. Results: Exercise combined with L/Zi reduced lipid peroxidation and improved antioxidant enzyme activities of muscle and cerebral cortex in rats (p < 0.001). In the Exercise + L/Zi group, muscle and cerebral cortex Nrf2 and HO-1 levels increased, while NF-κB levels decreased (p <0.001). Also, L/Zi improved BDNF, synapsin I, SYP, and GAP-43 levels of the cerebral cortex of trained rats (p < 0.001). The highest levels of BDNF, synapsin SYP, and GAP-43 in the cerebral cortex were determined in the Exercise+L/Zi group. Conclusion: These results suggested that exercise combined with L/Zi supplementation might be effective to reduce neurodegeneration via improving neurotrophic factors and synaptic proteins, and oxidative capacity in the cerebral cortex.

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  AtıfScopus15·WoS13·OpenAlex14

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