Sexual dimorphism in spatial learning and brain metabolism after exposure to a western diet and early life stress in rats

López-Taboada, Isabel; Sal-Sarria, Saúl; Vallejo, Guillermo; Coto‐Montes, Ana; Conejo, Nélida M.; González-Pardo, Héctor

doi:10.1016/j.physbeh.2022.113969

Physiology & Behavior

2022

DOI: 10.1016/j.physbeh.2022.113969

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Sexual dimorphism in spatial learning and brain metabolism after exposure to a western diet and early life stress in rats

Isabel López-Taboada¹,

Saúl Sal-Sarria²,

Guillermo Vallejo³

et al.

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2024

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Cited by 2 publications

References 131 publications

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Photobiomodulation increases brain metabolic activity through a combination of 810 and 660 wavelengths: a comparative study in male and female rats

Zorzo,

Rodríguez-Fernández,

Martínez

et al. 2024

Lasers Med Sci

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Photobiomodulation (PBM), an emerging and non-invasive intervention, has been shown to benefit the nervous system by modifying the mitochondrial cytochrome c-oxidase (CCO) enzyme, which has red (620–680 nm) or infrared (760–825 nm) spectral absorption peaks. The effect of a single 810-nm wavelength with a combination of 810 nm and 660 nm lights in the brain metabolic activity of male and female rats was compared. PBM, with a wavelength of 810 nm and a combination of 810 nm and 660 nm, was applied for 5 days on the prefrontal cortex. Then, brain metabolic activity in the prefrontal area, hippocampus, retrosplenial, and parietal cortex was explored. Sex differences were found in cortical and subcortical regions, indicating higher male brain oxidative metabolism, regardless of treatment. CCO activity in the cingulate and prelimbic area, dentate gyrus, retrosplenial and parietal cortex was enhanced in both treatments (810 + 660 nm and 810 nm). Moreover, using the combination of waves, CCO increased in the infralimbic area, and in CA1 and CA3 of the hippocampus. Thus, employment of a single NIR treatment or a combination of red to NIR treatment led to slight differences in CCO activity across the limbic system, suggesting that a combination of lights of the spectrum may be relevant.

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Photobiomodulation increases brain metabolic activity through a combination of 810 and 660 wavelengths: a comparative study in male and female rats

Zorzo,

Rodríguez-Fernández,

Martínez

et al. 2024

Lasers Med Sci

View full text Add to dashboard Cite

show abstract

A shift to a standard diet after exposure to a high-fat, high-sucrose diet from gestation to weaning restores brain metabolism and behavioral flexibility in adult rats

Sal-Sarria,

López-Taboada,

González-Pardo

et al. 2024

Behavioural Brain Research

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Sexual dimorphism in spatial learning and brain metabolism after exposure to a western diet and early life stress in rats

Cited by 2 publications

References 131 publications

Photobiomodulation increases brain metabolic activity through a combination of 810 and 660 wavelengths: a comparative study in male and female rats

Photobiomodulation increases brain metabolic activity through a combination of 810 and 660 wavelengths: a comparative study in male and female rats

A shift to a standard diet after exposure to a high-fat, high-sucrose diet from gestation to weaning restores brain metabolism and behavioral flexibility in adult rats

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