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Feigl B, Lewis SJ, Burr LD, Schweitzer D, Gnyawali S, Vagenas D, Carter DD, Zele AJ. Efficacy of biologically-directed daylight therapy on sleep and circadian rhythm in Parkinson's disease: a randomised, double-blind, parallel-group, active-controlled, phase 2 clinical trial. EClinicalMedicine 2024; 69:102474. [PMID: 38361993 PMCID: PMC10867415 DOI: 10.1016/j.eclinm.2024.102474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 01/18/2024] [Accepted: 01/24/2024] [Indexed: 02/17/2024] Open
Abstract
Background New non-pharmacological treatments for improving non-motor symptoms in Parkinson's disease (PD) are urgently needed. Previous light therapies for modifying sleep behaviour lacked standardised protocols and were not personalised for an individual patient chronotype. We aimed to assess the efficacy of a biologically-directed light therapy in PD that targets retinal inputs to the circadian system on sleep, as well as other non-motor and motor functions. Methods In this randomised, double-blind, parallel-group, active-controlled trial at the Queensland University of Technology, Australia, participants with mild to moderate PD were computer randomised (1:1) to receive one of two light therapies that had the same photometric luminance and visual appearance to allow blinding of investigators and participants to the intervention. One of these biologically-directed lights matched natural daylight (Day Mel), which is known to stimulate melanopsin cells. The light therapy of the other treatment arm of the study, specifically supplemented the stimulation of retinal melanopsin cells (Enhanced Mel), targeting deficits to the circadian system. Both lights were administered 30 min per day over 4-weeks and personalised to an individual patient's chronotype, while monitoring environmental light exposure with actigraphy. Co-primary endpoints were a change from baseline in mean sleep macrostructure (polysomnography, PSG) and an endocrine biomarker of circadian phase (dim light melatonin secretion onset, DLMO) at weeks 4 and 6. Participants data were analysed using an intention to treat principle. All endpoints were evaluated by applying a mixed model analysis. The trial is registered with the Australian New Zealand Clinical Trials Registry, ACTRN12621000077864. Findings Between February 4, 2021 and August 8, 2022, 144 participants with PD were consecutively screened, 60 enrolled and randomly assigned to a light intervention. There was no significant difference in co-primary outcomes between randomised groups overall or at any individual timepoint during follow-up. The mean (95% CI) for PSG, N3% was 24.15 (19.82-28.48) for Day Mel (n = 23) and 19.34 (15.20-23.47) for the Enhanced Mel group (n = 25) in week 4 (p = 0.12); and 21.13 (16.99-25.28) for Day Mel (n = 26) and 18.48 (14.34-22.62) for the Enhanced Mel group (n = 25) in week 6, (p = 0.37). The mean (95% CI) DLMO (decimal time) was 19.82 (19.20-20.44) for Day Mel (n = 22) and 19.44 (18.85-20.04) for the Enhanced Mel group (n = 24) in week 4 (p = 0.38); and 19.90 (19.27-20.53) for Day Mel (n = 23) and 19.04 (18.44-19.64) for the Enhanced Mel group (n = 25) in week 6 (p = 0.05). However, both the controlled daylight (Day Mel) and the enhanced melanopsin (Enhanced Mel) interventions demonstrated significant improvement in primary PSG sleep macrostructure. The restorative deep sleep phase (PSG, N3) significantly improved at week 6 in both groups [model-based mean difference to baseline (95% CI): -3.87 (-6.91 to -0.83), p = 0.04]. There was a phase-advance in DLMO in both groups which did not reach statistical significance between groups at any time-point. There were no safety concerns or severe adverse events related to the intervention. Interpretation Both the controlled daylight and melanopsin booster light showed efficacy in improving measures of restorative deep sleep in people with mild to moderate PD. That there was no significant difference between the two intervention groups may be due to the early disease stage. The findings suggest that controlled indoor daylight that is personalised to the individuals' chronotype could be effective for improving sleep in early to moderate PD, and further studies evaluating controlled daylight interventions are now required utilising this standardised approach, including in advanced PD. Funding The Michael J Fox Foundation for Parkinson's Research, Shake IT Up Australia, National Health and Medical Research Council, and Australian Research Council.
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Affiliation(s)
- Beatrix Feigl
- Centre for Vision and Eye Research, Queensland University of Technology (QUT), Brisbane, QLD, 4059, Australia
- School of Biomedical Sciences, Queensland University of Technology (QUT), Brisbane, QLD, 4059, Australia
- Queensland Eye Institute, South Brisbane, QLD, 4101, Australia
| | - Simon J.G. Lewis
- Brain and Mind Centre, The University of Sydney, New South Wales, 2006, Australia
| | - Lucy D. Burr
- Department of Respiratory and Sleep Medicine, Mater Health, South Brisbane, QLD, 4101, Australia
- Mater Research, University of Queensland, QLD, 4072, Australia
| | - Daniel Schweitzer
- Centre of Neurosciences, Mater Health, South Brisbane, QLD, 4101, Australia
- Wesley Hospital, Auchenflower, QLD, 4066, Australia
| | - Subodh Gnyawali
- Centre for Vision and Eye Research, Queensland University of Technology (QUT), Brisbane, QLD, 4059, Australia
- School of Biomedical Sciences, Queensland University of Technology (QUT), Brisbane, QLD, 4059, Australia
| | - Dimitrios Vagenas
- School of Public Health and Social Work, Queensland University of Technology (QUT), Brisbane, QLD, 4059, Australia
| | - Drew D. Carter
- Centre for Vision and Eye Research, Queensland University of Technology (QUT), Brisbane, QLD, 4059, Australia
| | - Andrew J. Zele
- Centre for Vision and Eye Research, Queensland University of Technology (QUT), Brisbane, QLD, 4059, Australia
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Shirokov A, Blokhina I, Fedosov I, Ilyukov E, Terskov A, Myagkov D, Tuktarov D, Tzoy M, Adushkina V, Zlatogosrkaya D, Evsyukova A, Telnova V, Dubrovsky A, Dmitrenko A, Manzhaeva M, Krupnova V, Tuzhilkin M, Elezarova I, Navolokin N, Saranceva E, Iskra T, Lykova E, Semyachkina-Glushkovskaya O. Different Effects of Phototherapy for Rat Glioma during Sleep and Wakefulness. Biomedicines 2024; 12:262. [PMID: 38397864 PMCID: PMC10886766 DOI: 10.3390/biomedicines12020262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Revised: 01/17/2024] [Accepted: 01/18/2024] [Indexed: 02/25/2024] Open
Abstract
There is an association between sleep quality and glioma-specific outcomes, including survival. The critical role of sleep in survival among subjects with glioma may be due to sleep-induced activation of brain drainage (BD), that is dramatically suppressed in subjects with glioma. Emerging evidence demonstrates that photobiomodulation (PBM) is an effective technology for both the stimulation of BD and as an add-on therapy for glioma. Emerging evidence suggests that PBM during sleep stimulates BD more strongly than when awake. In this study on male Wistar rats, we clearly demonstrate that the PBM course during sleep vs. when awake more effectively suppresses glioma growth and increases survival compared with the control. The study of the mechanisms of this phenomenon revealed stronger effects of the PBM course in sleeping vs. awake rats on the stimulation of BD and an immune response against glioma, including an increase in the number of CD8+ in glioma cells, activation of apoptosis, and blockage of the proliferation of glioma cells. Our new technology for sleep-phototherapy opens a new strategy to improve the quality of medical care for patients with brain cancer, using promising smart-sleep and non-invasive approaches of glioma treatment.
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Affiliation(s)
- Alexander Shirokov
- Institute of Biochemistry and Physiology of Plants and Microorganisms, Saratov Scientific Centre of the Russian Academy of Sciences, Prospekt Entuziastov 13, 410049 Saratov, Russia
- Department of Biology, Saratov State University, Astrakhanskaya Str. 83, 410012 Saratov, Russia; (I.B.); (A.T.); (V.A.); (D.Z.); (A.E.); (V.T.); (A.D.); (M.M.); (V.K.); (M.T.); (I.E.); (N.N.); (E.S.); (T.I.); (E.L.)
| | - Inna Blokhina
- Department of Biology, Saratov State University, Astrakhanskaya Str. 83, 410012 Saratov, Russia; (I.B.); (A.T.); (V.A.); (D.Z.); (A.E.); (V.T.); (A.D.); (M.M.); (V.K.); (M.T.); (I.E.); (N.N.); (E.S.); (T.I.); (E.L.)
| | - Ivan Fedosov
- Physics Department, Saratov State University, Astrakhanskaya Str. 83, 410012 Saratov, Russia; (I.F.); (E.I.); (D.M.); (D.T.); (M.T.); (A.D.)
| | - Egor Ilyukov
- Physics Department, Saratov State University, Astrakhanskaya Str. 83, 410012 Saratov, Russia; (I.F.); (E.I.); (D.M.); (D.T.); (M.T.); (A.D.)
| | - Andrey Terskov
- Department of Biology, Saratov State University, Astrakhanskaya Str. 83, 410012 Saratov, Russia; (I.B.); (A.T.); (V.A.); (D.Z.); (A.E.); (V.T.); (A.D.); (M.M.); (V.K.); (M.T.); (I.E.); (N.N.); (E.S.); (T.I.); (E.L.)
| | - Dmitry Myagkov
- Physics Department, Saratov State University, Astrakhanskaya Str. 83, 410012 Saratov, Russia; (I.F.); (E.I.); (D.M.); (D.T.); (M.T.); (A.D.)
| | - Dmitry Tuktarov
- Physics Department, Saratov State University, Astrakhanskaya Str. 83, 410012 Saratov, Russia; (I.F.); (E.I.); (D.M.); (D.T.); (M.T.); (A.D.)
| | - Maria Tzoy
- Physics Department, Saratov State University, Astrakhanskaya Str. 83, 410012 Saratov, Russia; (I.F.); (E.I.); (D.M.); (D.T.); (M.T.); (A.D.)
| | - Viktoria Adushkina
- Department of Biology, Saratov State University, Astrakhanskaya Str. 83, 410012 Saratov, Russia; (I.B.); (A.T.); (V.A.); (D.Z.); (A.E.); (V.T.); (A.D.); (M.M.); (V.K.); (M.T.); (I.E.); (N.N.); (E.S.); (T.I.); (E.L.)
| | - Daria Zlatogosrkaya
- Department of Biology, Saratov State University, Astrakhanskaya Str. 83, 410012 Saratov, Russia; (I.B.); (A.T.); (V.A.); (D.Z.); (A.E.); (V.T.); (A.D.); (M.M.); (V.K.); (M.T.); (I.E.); (N.N.); (E.S.); (T.I.); (E.L.)
| | - Arina Evsyukova
- Department of Biology, Saratov State University, Astrakhanskaya Str. 83, 410012 Saratov, Russia; (I.B.); (A.T.); (V.A.); (D.Z.); (A.E.); (V.T.); (A.D.); (M.M.); (V.K.); (M.T.); (I.E.); (N.N.); (E.S.); (T.I.); (E.L.)
| | - Valeria Telnova
- Department of Biology, Saratov State University, Astrakhanskaya Str. 83, 410012 Saratov, Russia; (I.B.); (A.T.); (V.A.); (D.Z.); (A.E.); (V.T.); (A.D.); (M.M.); (V.K.); (M.T.); (I.E.); (N.N.); (E.S.); (T.I.); (E.L.)
| | - Alexander Dubrovsky
- Physics Department, Saratov State University, Astrakhanskaya Str. 83, 410012 Saratov, Russia; (I.F.); (E.I.); (D.M.); (D.T.); (M.T.); (A.D.)
| | - Alexander Dmitrenko
- Department of Biology, Saratov State University, Astrakhanskaya Str. 83, 410012 Saratov, Russia; (I.B.); (A.T.); (V.A.); (D.Z.); (A.E.); (V.T.); (A.D.); (M.M.); (V.K.); (M.T.); (I.E.); (N.N.); (E.S.); (T.I.); (E.L.)
| | - Maria Manzhaeva
- Department of Biology, Saratov State University, Astrakhanskaya Str. 83, 410012 Saratov, Russia; (I.B.); (A.T.); (V.A.); (D.Z.); (A.E.); (V.T.); (A.D.); (M.M.); (V.K.); (M.T.); (I.E.); (N.N.); (E.S.); (T.I.); (E.L.)
| | - Valeria Krupnova
- Department of Biology, Saratov State University, Astrakhanskaya Str. 83, 410012 Saratov, Russia; (I.B.); (A.T.); (V.A.); (D.Z.); (A.E.); (V.T.); (A.D.); (M.M.); (V.K.); (M.T.); (I.E.); (N.N.); (E.S.); (T.I.); (E.L.)
| | - Matvey Tuzhilkin
- Department of Biology, Saratov State University, Astrakhanskaya Str. 83, 410012 Saratov, Russia; (I.B.); (A.T.); (V.A.); (D.Z.); (A.E.); (V.T.); (A.D.); (M.M.); (V.K.); (M.T.); (I.E.); (N.N.); (E.S.); (T.I.); (E.L.)
| | - Inna Elezarova
- Department of Biology, Saratov State University, Astrakhanskaya Str. 83, 410012 Saratov, Russia; (I.B.); (A.T.); (V.A.); (D.Z.); (A.E.); (V.T.); (A.D.); (M.M.); (V.K.); (M.T.); (I.E.); (N.N.); (E.S.); (T.I.); (E.L.)
| | - Nikita Navolokin
- Department of Biology, Saratov State University, Astrakhanskaya Str. 83, 410012 Saratov, Russia; (I.B.); (A.T.); (V.A.); (D.Z.); (A.E.); (V.T.); (A.D.); (M.M.); (V.K.); (M.T.); (I.E.); (N.N.); (E.S.); (T.I.); (E.L.)
- Department of Pathological Anatomy, Saratov Medical State University, Bolshaya Kazachaya Str. 112, 410012 Saratov, Russia
| | - Elena Saranceva
- Department of Biology, Saratov State University, Astrakhanskaya Str. 83, 410012 Saratov, Russia; (I.B.); (A.T.); (V.A.); (D.Z.); (A.E.); (V.T.); (A.D.); (M.M.); (V.K.); (M.T.); (I.E.); (N.N.); (E.S.); (T.I.); (E.L.)
| | - Tatyana Iskra
- Department of Biology, Saratov State University, Astrakhanskaya Str. 83, 410012 Saratov, Russia; (I.B.); (A.T.); (V.A.); (D.Z.); (A.E.); (V.T.); (A.D.); (M.M.); (V.K.); (M.T.); (I.E.); (N.N.); (E.S.); (T.I.); (E.L.)
| | - Ekaterina Lykova
- Department of Biology, Saratov State University, Astrakhanskaya Str. 83, 410012 Saratov, Russia; (I.B.); (A.T.); (V.A.); (D.Z.); (A.E.); (V.T.); (A.D.); (M.M.); (V.K.); (M.T.); (I.E.); (N.N.); (E.S.); (T.I.); (E.L.)
| | - Oxana Semyachkina-Glushkovskaya
- Department of Biology, Saratov State University, Astrakhanskaya Str. 83, 410012 Saratov, Russia; (I.B.); (A.T.); (V.A.); (D.Z.); (A.E.); (V.T.); (A.D.); (M.M.); (V.K.); (M.T.); (I.E.); (N.N.); (E.S.); (T.I.); (E.L.)
- Physics Department, Humboldt University, Newtonstrasse 15, 12489 Berlin, Germany
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Semyachkina-Glushkovskaya O, Fedosov I, Zaikin A, Ageev V, Ilyukov E, Myagkov D, Tuktarov D, Blokhina I, Shirokov A, Terskov A, Zlatogorskaya D, Adushkina V, Evsukova A, Dubrovsky A, Tsoy M, Telnova V, Manzhaeva M, Dmitrenko A, Krupnova V, Kurths J. Technology of the photobiostimulation of the brain's drainage system during sleep for improvement of learning and memory in male mice. BIOMEDICAL OPTICS EXPRESS 2024; 15:44-58. [PMID: 38223185 PMCID: PMC10783921 DOI: 10.1364/boe.505618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 11/17/2023] [Accepted: 11/20/2023] [Indexed: 01/16/2024]
Abstract
In this study on healthy male mice using confocal imaging of dye spreading in the brain and its further accumulation in the peripheral lymphatics, we demonstrate stronger effects of photobiomodulation (PBM) on the brain's drainage system in sleeping vs. awake animals. Using the Pavlovian instrumental transfer probe and the 2-objects-location test, we found that the 10-day course of PBM during sleep vs. wakefulness promotes improved learning and spatial memory in mice. For the first time, we present the technology for PBM under electroencephalographic (EEG) control that incorporates modern state of the art facilities of optoelectronics and biopotential detection and that can be built of relatively cheap and commercially available components. These findings open a new niche in the development of smart technologies for phototherapy of brain diseases during sleep.
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Affiliation(s)
- Oxana Semyachkina-Glushkovskaya
- Department of Biology, Saratov State University, Astrakhanskaya Str. 83, 410012 Saratov, Russia
- Physics Department, Humboldt University, Newtonstrasse 15, 12489 Berlin, Germany
| | - Ivan Fedosov
- Institute of Physics, Saratov State University Astrakhanskaya Str. 83, 410012 Saratov, Russia
| | - Alexey Zaikin
- Department of Mathematics and Institute for Women's Health, University College London, 25 Gordon Street, London, WC1H 0AY, UK
- Centre for Analysis of Complex Systems, Sechenov First Moscow State Medical University, Bolshaya Pirogovskaya 2, building 4, 119435 Moscow, Russia
- Institute for Cognitive Neuroscience, University Higher School of Economics, Moscow, Russia
- Britton Chance Center for Biomedical Photonics, Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, China
| | - Vasily Ageev
- Institute of Physics, Saratov State University Astrakhanskaya Str. 83, 410012 Saratov, Russia
| | - Egor Ilyukov
- Institute of Physics, Saratov State University Astrakhanskaya Str. 83, 410012 Saratov, Russia
| | - Dmitry Myagkov
- Institute of Physics, Saratov State University Astrakhanskaya Str. 83, 410012 Saratov, Russia
| | - Dmitry Tuktarov
- Institute of Physics, Saratov State University Astrakhanskaya Str. 83, 410012 Saratov, Russia
| | - Inna Blokhina
- Department of Biology, Saratov State University, Astrakhanskaya Str. 83, 410012 Saratov, Russia
| | - Alexander Shirokov
- Department of Biology, Saratov State University, Astrakhanskaya Str. 83, 410012 Saratov, Russia
- Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, Prospekt Entuziastov 13, Saratov 410049, Russia
| | - Andrey Terskov
- Department of Biology, Saratov State University, Astrakhanskaya Str. 83, 410012 Saratov, Russia
| | - Daria Zlatogorskaya
- Department of Biology, Saratov State University, Astrakhanskaya Str. 83, 410012 Saratov, Russia
| | - Viktoria Adushkina
- Department of Biology, Saratov State University, Astrakhanskaya Str. 83, 410012 Saratov, Russia
| | - Arina Evsukova
- Department of Biology, Saratov State University, Astrakhanskaya Str. 83, 410012 Saratov, Russia
| | - Alexander Dubrovsky
- Institute of Physics, Saratov State University Astrakhanskaya Str. 83, 410012 Saratov, Russia
| | - Maria Tsoy
- Institute of Physics, Saratov State University Astrakhanskaya Str. 83, 410012 Saratov, Russia
| | - Valeria Telnova
- Department of Biology, Saratov State University, Astrakhanskaya Str. 83, 410012 Saratov, Russia
| | - Maria Manzhaeva
- Department of Biology, Saratov State University, Astrakhanskaya Str. 83, 410012 Saratov, Russia
| | - Alexander Dmitrenko
- Department of Biology, Saratov State University, Astrakhanskaya Str. 83, 410012 Saratov, Russia
| | - Valeria Krupnova
- Department of Biology, Saratov State University, Astrakhanskaya Str. 83, 410012 Saratov, Russia
| | - Jürgen Kurths
- Department of Biology, Saratov State University, Astrakhanskaya Str. 83, 410012 Saratov, Russia
- Physics Department, Humboldt University, Newtonstrasse 15, 12489 Berlin, Germany
- Centre for Analysis of Complex Systems, Sechenov First Moscow State Medical University, Bolshaya Pirogovskaya 2, building 4, 119435 Moscow, Russia
- Potsdam Institute for Climate Impact Research, Telegrafenberg A31, 14473 Potsdam, Germany
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Liu S, Li D, Yu T, Zhu J, Semyachkina-Glushkovskaya O, Zhu D. Transcranial photobiomodulation improves insulin therapy in diabetic microglial reactivity and the brain drainage system. Commun Biol 2023; 6:1239. [PMID: 38066234 PMCID: PMC10709608 DOI: 10.1038/s42003-023-05630-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 11/22/2023] [Indexed: 12/18/2023] Open
Abstract
The dysfunction of microglia in the development of diabetes is associated with various diabetic complications, while traditional insulin therapy is insufficient to rapidly restore the function of microglia. Therefore, the search for new alternative methods of treating diabetes-related dysfunction of microglia is urgently needed. Here, we evaluate the effects of transcranial photobiomodulation (tPBM) on microglial function in diabetic mice and investigate its mechanism. We find tPBM treatment effectively improves insulin therapy on microglial morphology and reactivity. We also show that tPBM stimulates brain drainage system through activation of meningeal lymphatics, which contributes to the removal of inflammatory factor, and increase of microglial purinergic receptor P2RY12. Besides, the energy expenditure and locomotor activity of diabetic mice are also improved by tPBM. Our results demonstrate that tPBM can be an efficient, non-invasive method for the treatment of microglial dysfunction caused by diabetes, and also has the potential to prevent diabetic physiological disorders.
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Affiliation(s)
- Shaojun Liu
- Britton Chance Center for Biomedical Photonics-MoE Key Laboratory for Biomedical Photonics, Wuhan National Laboratory for Optoelectronics-Advanced Biomedical Imaging Facility, Huazhong University of Science and Technology, 430074, Wuhan, Hubei, China
| | - Dongyu Li
- School of Optical Electronic Information-Advanced Biomedical Imaging Facility, Huazhong University of Science and Technology, 430074, Wuhan, Hubei, China
| | - Tingting Yu
- Britton Chance Center for Biomedical Photonics-MoE Key Laboratory for Biomedical Photonics, Wuhan National Laboratory for Optoelectronics-Advanced Biomedical Imaging Facility, Huazhong University of Science and Technology, 430074, Wuhan, Hubei, China
| | - Jingtan Zhu
- Britton Chance Center for Biomedical Photonics-MoE Key Laboratory for Biomedical Photonics, Wuhan National Laboratory for Optoelectronics-Advanced Biomedical Imaging Facility, Huazhong University of Science and Technology, 430074, Wuhan, Hubei, China
| | - Oxana Semyachkina-Glushkovskaya
- Saratov State University, Astrakhanskaya Str. 83, 410012, Saratov, Russia
- Physics Department, Humboldt University, Newtonstrasse 15, 12489, Berlin, Germany
| | - Dan Zhu
- Britton Chance Center for Biomedical Photonics-MoE Key Laboratory for Biomedical Photonics, Wuhan National Laboratory for Optoelectronics-Advanced Biomedical Imaging Facility, Huazhong University of Science and Technology, 430074, Wuhan, Hubei, China.
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Oxana SG, Alexander S, Inna B, Ivan F, Andrey T, Alexander D, Maria T, Daria E, Viktoria A, Arina E, Valeria T, Anna T, Valeria K, Maria M, Alexander D, Thomas P, Jürgen K. Mechanisms of phototherapy of Alzheimer's disease during sleep and wakefulness: the role of the meningeal lymphatics. FRONTIERS OF OPTOELECTRONICS 2023; 16:22. [PMID: 37721564 PMCID: PMC10507004 DOI: 10.1007/s12200-023-00080-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 07/17/2023] [Indexed: 09/19/2023]
Abstract
With the increase in the aging population, the global number of people with Alzheimer's disease (AD) progressively increased worldwide. The situation is aggravated by the fact that there is no the effective pharmacological therapy of AD. Photobiomodulation (PBM) is non-pharmacological approach that has shown very promising results in the therapy of AD in pilot clinical and animal studies. However, the mechanisms of therapeutic effects of PBM for AD are poorly understood. In this study on mice, we demonstrate that photodynamic effects of 5-aminolevulenic acid and laser 635 nm cause reduction of network of the meningeal lymphatic vessels (MLVs) leading to suppression of lymphatic removal of beta-amyloid (Aβ) from the right lateral ventricle and the hippocampus. Using the original protocol of PBM under electroencephalographic monitoring of wakefulness and sleep stages in non-anesthetized mice, we discover that the 7-day course of PBM during deep sleep vs. wakefulness provides better restoration of clearance of Aβ from the ventricular system of the brain and the hippocampus. Our results shed light on the mechanism of PBM and show the stimulating effects of PBM on the brain lymphatic drainage that promotes transport of Aβ via the lymphatic pathway. The effects of PBM on the brain lymphatics in sleeping brain open a new niche in the study of restorative functions of sleep as well as it is an important informative platform for the development of innovative smart sleep technologies for the therapy of AD.
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Affiliation(s)
- Semyachkina-Glushkovskaya Oxana
- Institute of Physics, Humboldt University, Berlin, 12489, Germany.
- Department of Biology, Saratov State University, Saratov, 410012, Russia.
| | - Shirokov Alexander
- Department of Biology, Saratov State University, Saratov, 410012, Russia
- Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, Saratov, 410049, Russia
| | - Blokhina Inna
- Department of Biology, Saratov State University, Saratov, 410012, Russia
| | - Fedosov Ivan
- Department of Biology, Saratov State University, Saratov, 410012, Russia
| | - Terskov Andrey
- Department of Biology, Saratov State University, Saratov, 410012, Russia
| | | | - Tsoy Maria
- Department of Biology, Saratov State University, Saratov, 410012, Russia
| | - Elovenko Daria
- Department of Biology, Saratov State University, Saratov, 410012, Russia
| | - Adushkina Viktoria
- Department of Biology, Saratov State University, Saratov, 410012, Russia
| | - Evsukova Arina
- Department of Biology, Saratov State University, Saratov, 410012, Russia
| | - Telnova Valeria
- Department of Biology, Saratov State University, Saratov, 410012, Russia
| | - Tzven Anna
- Department of Biology, Saratov State University, Saratov, 410012, Russia
| | - Krupnova Valeria
- Department of Biology, Saratov State University, Saratov, 410012, Russia
| | - Manzhaeva Maria
- Department of Biology, Saratov State University, Saratov, 410012, Russia
| | | | - Penzel Thomas
- Department of Biology, Saratov State University, Saratov, 410012, Russia
- Charité - Universitätsmedizin Berlin, Berlin, 10117, Germany
| | - Kurths Jürgen
- Institute of Physics, Humboldt University, Berlin, 12489, Germany
- Department of Biology, Saratov State University, Saratov, 410012, Russia
- Department of Complexity Scienc, Potsdam Institute for Climate Impact Research, Potsdam, 14473, Germany
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Carroll JD. Photobiomodulation Literature Watch February 2023. Photobiomodul Photomed Laser Surg 2023; 41:371-375. [PMID: 37459610 DOI: 10.1089/photob.2023.0097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/20/2023] Open
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Semyachkina-Glushkovskaya O, Penzel T, Poluektov M, Fedosov I, Tzoy M, Terskov A, Blokhina I, Sidorov V, Kurths J. Phototherapy of Alzheimer's Disease: Photostimulation of Brain Lymphatics during Sleep: A Systematic Review. Int J Mol Sci 2023; 24:10946. [PMID: 37446135 DOI: 10.3390/ijms241310946] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 06/18/2023] [Accepted: 06/26/2023] [Indexed: 07/15/2023] Open
Abstract
The global number of people with Alzheimer's disease (AD) doubles every 5 years. It has been established that unless an effective treatment for AD is found, the incidence of AD will triple by 2060. However, pharmacological therapies for AD have failed to show effectiveness and safety. Therefore, the search for alternative methods for treating AD is an urgent problem in medicine. The lymphatic drainage and removal system of the brain (LDRSB) plays an important role in resistance to the progression of AD. The development of methods for augmentation of the LDRSB functions may contribute to progress in AD therapy. Photobiomodulation (PBM) is considered to be a non-pharmacological and safe approach for AD therapy. Here, we highlight the most recent and relevant studies of PBM for AD. We focus on emerging evidence that indicates the potential benefits of PBM during sleep for modulation of natural activation of the LDRSB at nighttime, providing effective removal of metabolites, including amyloid-β, from the brain, leading to reduced progression of AD. Our review creates a new niche in the therapy of brain diseases during sleep and sheds light on the development of smart sleep technologies for neurodegenerative diseases.
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Affiliation(s)
- Oxana Semyachkina-Glushkovskaya
- Department of Physics, Humboldt University, Newtonstrasse 15, 12489 Berlin, Germany
- Department of Biology, Saratov State University, Astrakhanskaya 82, 410012 Saratov, Russia
| | - Thomas Penzel
- Department of Biology, Saratov State University, Astrakhanskaya 82, 410012 Saratov, Russia
- Interdisziplinäres Schlafmedizinisches Zentrum, Charité-Universitätsmedizin Berlin, Charitéplatz 1, 10117 Berlin, Germany
| | - Mikhail Poluektov
- Department of Nervous Diseases, Sechenov First Moscow State Medical University, Bolshaya Pirogovskaya 2, Building 4, 119435 Moscow, Russia
| | - Ivan Fedosov
- Department of Biology, Saratov State University, Astrakhanskaya 82, 410012 Saratov, Russia
| | - Maria Tzoy
- Department of Biology, Saratov State University, Astrakhanskaya 82, 410012 Saratov, Russia
| | - Andrey Terskov
- Department of Biology, Saratov State University, Astrakhanskaya 82, 410012 Saratov, Russia
| | - Inna Blokhina
- Department of Biology, Saratov State University, Astrakhanskaya 82, 410012 Saratov, Russia
| | - Viktor Sidorov
- Company "Lazma" for Research and Production Enterprise of Laser Medical Equipment, Kuusinena Str. 11, 123308 Moscow, Russia
| | - Jürgen Kurths
- Department of Physics, Humboldt University, Newtonstrasse 15, 12489 Berlin, Germany
- Department of Biology, Saratov State University, Astrakhanskaya 82, 410012 Saratov, Russia
- Department of Complexity Science, Potsdam Institute for Climate Impact Research, Telegrafenberg A31, 14473 Potsdam, Germany
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Ngomba RT, Lüttjohann A, Dexter A, Ray S, van Luijtelaar G. The Metabotropic Glutamate 5 Receptor in Sleep and Wakefulness: Focus on the Cortico-Thalamo-Cortical Oscillations. Cells 2023; 12:1761. [PMID: 37443795 PMCID: PMC10341329 DOI: 10.3390/cells12131761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 06/17/2023] [Accepted: 06/27/2023] [Indexed: 07/15/2023] Open
Abstract
Sleep is an essential innate but complex behaviour which is ubiquitous in the animal kingdom. Our knowledge of the distinct neural circuit mechanisms that regulate sleep and wake states in the brain are, however, still limited. It is therefore important to understand how these circuits operate during health and disease. This review will highlight the function of mGlu5 receptors within the thalamocortical circuitry in physiological and pathological sleep states. We will also evaluate the potential of targeting mGlu5 receptors as a therapeutic strategy for sleep disorders that often co-occur with epileptic seizures.
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Affiliation(s)
| | - Annika Lüttjohann
- Institute of Physiology I, University of Münster, 48149 Münster, Germany
| | - Aaron Dexter
- School of Pharmacy, University of Lincoln, Lincoln LN6 7DL, UK
| | - Swagat Ray
- Department of Life Sciences, School of Life and Environmental Sciences, University of Lincoln, Lincoln LN6 7DL, UK
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