Effects of far infrared light on Alzheimer's disease-transgenic mice.

Far infrared light has been used in many medical procedures. However, the detailed biological mechanisms of infrared light's effects have not yet been elucidated. Many researchers have pointed out the thermal effects of treatments such as infrared saunas, which are known to increase blood flow....

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Autores principales: Koji Fukui, Shunsuke Kimura, Yugo Kato, Masahiro Kohno
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Lenguaje:EN
Publicado: Public Library of Science (PLoS) 2021
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Acceso en línea:https://doaj.org/article/115c1e397e214700a91e7e51054f95ba
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spelling oai:doaj.org-article:115c1e397e214700a91e7e51054f95ba2021-12-02T20:10:26ZEffects of far infrared light on Alzheimer's disease-transgenic mice.1932-620310.1371/journal.pone.0253320https://doaj.org/article/115c1e397e214700a91e7e51054f95ba2021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0253320https://doaj.org/toc/1932-6203Far infrared light has been used in many medical procedures. However, the detailed biological mechanisms of infrared light's effects have not yet been elucidated. Many researchers have pointed out the thermal effects of treatments such as infrared saunas, which are known to increase blood flow. Alzheimer's disease (AD) is associated with gradual decreases in brain blood flow and resulting dementia. In this study, we attempted to clarify the beneficial effects of far infrared light using the 5xFAD mouse, a transgenic model of AD. We exposed 5xFAD mice to far infrared light for 5 months. Among the far infrared-exposed AD mice, body weights were significantly decreased, and the levels of nerve growth factor and brain-derived neurotrophic factor protein were significantly increased in selected brain areas (compared to those in non-irradiated AD mice). However, cognition and motor function (as assessed by Morris water maze and Rota Rod tests, respectively) did not differ significantly between the irradiated and non-irradiated AD mouse groups. These results indicated that exposure to far infrared light may have beneficial biological effects in AD mice. However, the experimental schedule and methods may need to be modified to obtain clearer results.Koji FukuiShunsuke KimuraYugo KatoMasahiro KohnoPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 6, p e0253320 (2021)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Koji Fukui
Shunsuke Kimura
Yugo Kato
Masahiro Kohno
Effects of far infrared light on Alzheimer's disease-transgenic mice.
description Far infrared light has been used in many medical procedures. However, the detailed biological mechanisms of infrared light's effects have not yet been elucidated. Many researchers have pointed out the thermal effects of treatments such as infrared saunas, which are known to increase blood flow. Alzheimer's disease (AD) is associated with gradual decreases in brain blood flow and resulting dementia. In this study, we attempted to clarify the beneficial effects of far infrared light using the 5xFAD mouse, a transgenic model of AD. We exposed 5xFAD mice to far infrared light for 5 months. Among the far infrared-exposed AD mice, body weights were significantly decreased, and the levels of nerve growth factor and brain-derived neurotrophic factor protein were significantly increased in selected brain areas (compared to those in non-irradiated AD mice). However, cognition and motor function (as assessed by Morris water maze and Rota Rod tests, respectively) did not differ significantly between the irradiated and non-irradiated AD mouse groups. These results indicated that exposure to far infrared light may have beneficial biological effects in AD mice. However, the experimental schedule and methods may need to be modified to obtain clearer results.
format article
author Koji Fukui
Shunsuke Kimura
Yugo Kato
Masahiro Kohno
author_facet Koji Fukui
Shunsuke Kimura
Yugo Kato
Masahiro Kohno
author_sort Koji Fukui
title Effects of far infrared light on Alzheimer's disease-transgenic mice.
title_short Effects of far infrared light on Alzheimer's disease-transgenic mice.
title_full Effects of far infrared light on Alzheimer's disease-transgenic mice.
title_fullStr Effects of far infrared light on Alzheimer's disease-transgenic mice.
title_full_unstemmed Effects of far infrared light on Alzheimer's disease-transgenic mice.
title_sort effects of far infrared light on alzheimer's disease-transgenic mice.
publisher Public Library of Science (PLoS)
publishDate 2021
url https://doaj.org/article/115c1e397e214700a91e7e51054f95ba
work_keys_str_mv AT kojifukui effectsoffarinfraredlightonalzheimersdiseasetransgenicmice
AT shunsukekimura effectsoffarinfraredlightonalzheimersdiseasetransgenicmice
AT yugokato effectsoffarinfraredlightonalzheimersdiseasetransgenicmice
AT masahirokohno effectsoffarinfraredlightonalzheimersdiseasetransgenicmice
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