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2021-11-24Zeitschriftenartikel DOI: 10.3390/cells10123289
Night Photostimulation of Clearance of Beta-Amyloid from Mouse Brain: New Strategies in Preventing Alzheimer’s Disease
Semyachkina-Glushkovskaya, Oxana
Penzel, Thomas cc
Blokhina, Inna cc
Khorovodov, Alexander
Fedosov, Ivan cc
Yu, Tingting
Karandin, Georgy
Evsukova, Arina
Elovenko, Dariya
Adushkina, Viktoria
Shirokov, Alexander cc
Dubrovskii, Alexander
Terskov, Andrey
Navolokin, Nikita cc
Tzoy, Maria
Ageev, Vasily
Agranovich, Ilana cc
Telnova, Valeriya cc
Tsven, Anna
Kurths, Jürgen
Mathematisch-Naturwissenschaftliche Fakultät
The deposition of amyloid-β (Aβ) in the brain is a risk factor for Alzheimer’s disease (AD). Therefore, new strategies for the stimulation of Aβ clearance from the brain can be useful in preventing AD. Transcranial photostimulation (PS) is considered a promising method for AD therapy. In our previous studies, we clearly demonstrated the PS-mediated stimulation of lymphatic clearing functions, including Aβ removal from the brain. There is increasing evidence that sleep plays an important role in Aβ clearance. Here, we tested our hypothesis that PS at night can stimulate Aβ clearance from the brain more effectively than PS during the day. Our results on healthy mice show that Aβ clearance from the brain occurs faster at night than during wakefulness. The PS course at night improves memory and reduces Aβ accumulation in the brain of AD mice more effectively than the PS course during the day. Our results suggest that night PS is a more promising candidate as an effective method in preventing AD than daytime PS. These data are an important informative platform for the development of new noninvasive and nonpharmacological technologies for AD therapy as well as for preventing Aβ accumulation in the brain of people with disorder of Aβ metabolism, sleep deficit, elderly age, and jet lag.
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DOI
10.3390/cells10123289
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https://doi.org/10.3390/cells10123289
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<a href="https://doi.org/10.3390/cells10123289">https://doi.org/10.3390/cells10123289</a>