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Lin Z, Jiang T, Chen M, Ji X, Wang Y. Gut microbiota and sleep: Interaction mechanisms and therapeutic prospects. Open Life Sci 2024; 19:20220910. [PMID: 39035457 PMCID: PMC11260001 DOI: 10.1515/biol-2022-0910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 06/10/2024] [Accepted: 06/11/2024] [Indexed: 07/23/2024] Open
Abstract
Sleep is crucial for wellness, and emerging research reveals a profound connection to gut microbiota. This review explores the bidirectional relationship between gut microbiota and sleep, exploring the mechanisms involved and the therapeutic opportunities it presents. The gut-brain axis serves as a conduit for the crosstalk between gut microbiota and the central nervous system, with dysbiosis in the microbiota impairing sleep quality and vice versa. Diet, circadian rhythms, and immune modulation all play a part. Specific gut bacteria, like Lactobacillus and Bifidobacterium, enhance sleep through serotonin and gamma-aminobutyric acid production, exemplifying direct microbiome influence. Conversely, sleep deprivation reduces beneficial bacteria, exacerbating dysbiosis. Probiotics, prebiotics, postbiotics, and fecal transplants show therapeutic potential, backed by animal and human research, yet require further study on safety and long-term effects. Unraveling this intricate link paves the way for tailored sleep therapies, utilizing microbiome manipulation to improve sleep and health. Accelerated research is essential to fully tap into this promising field for sleep disorder management.
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Affiliation(s)
- Zhonghui Lin
- Department of Neurology Medical, Xiamen Hospital of Traditional Chinese Medicine, Fujian, Xiamen, China
- Jimsar County of Xinjiang Chinese Medicine Hospital, Xinjiang, Changji, China
| | - Tao Jiang
- Department of Neurology Medical, Xiamen Hospital of Traditional Chinese Medicine, Fujian, Xiamen, China
| | - Miaoling Chen
- Department of Neurology Medical, Xiamen Hospital of Traditional Chinese Medicine, Fujian, Xiamen, China
| | - Xudong Ji
- Jimsar County of Xinjiang Chinese Medicine Hospital, Xinjiang, Changji, China
| | - Yunsu Wang
- Department of Cardiology Medical, Xiamen Hospital of Traditional Chinese Medicine, Fujian, Xiamen, China
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Murata Y, Yoshimitsu S, Senoura C, Araki T, Kanayama S, Mori M, Ohe K, Mine K, Enjoji M. Sleep rebound leads to marked recovery of prolonged sleep deprivation-induced adversities in the stress response and hippocampal neuroplasticity of male rats. J Affect Disord 2024; 355:478-486. [PMID: 38574868 DOI: 10.1016/j.jad.2024.04.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 03/26/2024] [Accepted: 04/01/2024] [Indexed: 04/06/2024]
Abstract
BACKGROUND Sleep disturbances are not only frequent symptoms, but also risk factors for major depressive disorder. We previously reported that depressed patients who experienced "Hypersomnia" showed a higher and more rapid response rate under paroxetine treatment, but the underlying mechanism remains unclear. The present study was conducted to clarify the beneficial effects of sleep rebound through an experimental "Hypersomnia" rat model on glucocorticoid and hippocampal neuroplasticity associated with antidepressive potency. METHODS Thirty-four male Sprague-Dawley rats were subjected to sham treatment, 72-h sleep deprivation, or sleep deprivation and subsequent follow-up for one week. Approximately half of the animals were sacrificed to evaluate adrenal weight, plasma corticosterone level, hippocampal content of mRNA isoforms, and protein of the brain-derived neurotrophic factor (Bdnf) gene. In the other half of the rats, Ki-67- and doublecortin (DCX)-positive cells in the hippocampus were counted via immunostaining to quantify adult neurogenesis. RESULTS Prolonged sleep deprivation led to adrenal hypertrophy and an increase in the plasma corticosterone level, which had returned to normal after one week follow-up. Of note, sleep deprivation-induced decreases in hippocampal Bdnf transcripts containing exons II, IV, VI, and IX and BDNF protein levels, Ki-67-(+)-proliferating cells, and DCX-(+)-newly-born neurons were not merely reversed, but overshot their normal levels with sleep rebound. LIMITATIONS The present study did not record electroencephalogram or assess behavioral changes of the sleep-deprived rats. CONCLUSIONS The present study demonstrated that prolonged sleep deprivation-induced adversities are reversed or recovered by sleep rebound, which supports "Hypersomnia" in depressed patients as having a beneficial pharmacological effect.
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Affiliation(s)
- Yusuke Murata
- Department of Pharmacotherapeutics, Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1, Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan.
| | - Sakuya Yoshimitsu
- Department of Pharmacotherapeutics, Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1, Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan
| | - Chiyo Senoura
- Department of Pharmacotherapeutics, Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1, Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan
| | - Toshiki Araki
- Department of Pharmacotherapeutics, Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1, Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan
| | - Saki Kanayama
- Department of Pharmacotherapeutics, Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1, Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan
| | - Masayoshi Mori
- Department of Pharmacotherapeutics, Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1, Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan
| | - Kenji Ohe
- Department of Pharmacotherapeutics, Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1, Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan
| | - Kazunori Mine
- Faculty of Neurology and Psychiatry, BOOCS CLINIC FUKUOKA, 6F Random Square Bldg., 6-18, Tenya-Machi, Hakata-ku, Fukuoka 812-0025, Japan
| | - Munechika Enjoji
- Department of Pharmacotherapeutics, Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1, Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan
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Liu Y, Li X, Liu S, Liang T, Wu Y, Wang X, Li Y, Xu Y. Study on Gamma sensory flicker for Insomnia. Int J Neurosci 2024:1-11. [PMID: 38629395 DOI: 10.1080/00207454.2024.2342974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Accepted: 04/09/2024] [Indexed: 04/26/2024]
Abstract
OBJECTIVES Insomnia has been the subject of much systematic research because it is a risk factor for a variety of diseases. There is some evidence that gamma sensory stimulation therapy has also been demonstrated to improve sleep quality for people with Alzheimer's disease. However, it is unclear whether this method is effective for treating insomnia. The principal objective of this project was to investigate the efficacy and safety of gamma sensory flicker in improving the sleep quality of insomnia patients. METHODS Thirty-seven participants with insomnia were recruited for this prospective observational study. For a duration of 8 weeks, participants were exposed to flicker stimulation through a light and sound device. RESULTS During the main phase of the study, adherence rates averaged 92.21%. Additionally, no severe adverse events were reported for flicker treatment. Analysis of sleep diaries indicated that 40 Hz flickers can enhance sleep quality by reducing sleep onset latencies, and arousals, and increasing total sleep duration. CONCLUSIONS Gamma sensory flicker improves sleep quality in people suffering from insomnia.
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Affiliation(s)
- Yakun Liu
- Department of Psychiatry, The First Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
- First Clinical Medical College, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Xinrong Li
- Department of Psychiatry, The First Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
- Shanxi Key Laboratory of Artificial Intelligence Assisted Diagnosis and Treatment for Mental Disorder, Taiyuan, Shanxi, China
| | - Sha Liu
- Department of Psychiatry, The First Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
- Shanxi Key Laboratory of Artificial Intelligence Assisted Diagnosis and Treatment for Mental Disorder, Taiyuan, Shanxi, China
| | - Tailing Liang
- Department of Psychiatry, The First Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
| | - Yan Wu
- Department of Psychiatry, The First Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
| | - Xiaopan Wang
- Department of Psychiatry, The First Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
| | - Ying Li
- Department of Psychiatry, The First Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
| | - Yong Xu
- Department of Psychiatry, The First Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
- First Clinical Medical College, Shanxi Medical University, Taiyuan, Shanxi, China
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Avilez-Avilez JJ, Medina-Flores MF, Gómez-Gonzalez B. Sleep loss impairs blood-brain barrier function: Cellular and molecular mechanisms. VITAMINS AND HORMONES 2024; 126:77-96. [PMID: 39029977 DOI: 10.1016/bs.vh.2024.02.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/21/2024]
Abstract
Sleep is a physiological process that preserves the integrity of the neuro-immune-endocrine network to maintain homeostasis. Sleep regulates the production and secretion of hormones, neurotransmitters, cytokines and other inflammatory mediators, both at the central nervous system (CNS) and at the periphery. Sleep promotes the removal of potentially toxic metabolites out of the brain through specialized systems such as the glymphatic system, as well as the expression of specific transporters in the blood-brain barrier. The blood-brain barrier maintains CNS homeostasis by selectively transporting metabolic substrates and nutrients into the brain, by regulating the efflux of metabolic waste products, and maintaining bidirectional communication between the periphery and the CNS. All those processes are disrupted during sleep loss. Brain endothelial cells express the blood-brain barrier phenotype, which arises after cell-to-cell interactions with mural cells, like pericytes, and after the release of soluble factors by astroglial endfeet. Astroglia, pericytes and brain endothelial cells respond differently to sleep loss; evidence has shown that sleep loss induces a chronic low-grade inflammatory state at the CNS, which is associated with blood-brain barrier dysfunction. In animal models, blood-brain barrier dysfunction is characterized by increased blood-brain barrier permeability, decreased tight junction protein expression and pericyte detachment from the capillary wall. Blood-brain barrier dysfunction may promote defects in brain clearance of potentially neurotoxic metabolites and byproducts of neural physiology, which may eventually contribute to neurodegenerative diseases. This chapter aims to describe the cellular and molecular mechanisms by which sleep loss modifies the function of the blood-brain barrier.
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Affiliation(s)
- Jessica Janeth Avilez-Avilez
- Graduate Program in Experimental Biology, Universidad Autónoma Metropolitana, Mexico City, Mexico; Area of Neurosciences, Department of Biology of Reproduction, Universidad Autónoma Metropolitana, Mexico City, Mexico
| | - María Fernanda Medina-Flores
- Graduate Program in Experimental Biology, Universidad Autónoma Metropolitana, Mexico City, Mexico; Area of Neurosciences, Department of Biology of Reproduction, Universidad Autónoma Metropolitana, Mexico City, Mexico
| | - Beatriz Gómez-Gonzalez
- Area of Neurosciences, Department of Biology of Reproduction, Universidad Autónoma Metropolitana, Mexico City, Mexico.
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Zhang YM, Wei RM, Zhang JY, Liu S, Zhang KX, Kong XY, Ge YJ, Li XY, Chen GH. Resveratrol prevents cognitive deficits induced by sleep deprivation via modulating sirtuin 1 associated pathways in the hippocampus. J Biochem Mol Toxicol 2024; 38:e23698. [PMID: 38501767 DOI: 10.1002/jbt.23698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 02/28/2024] [Accepted: 03/12/2024] [Indexed: 03/20/2024]
Abstract
Accumulating evidence confirms that sleep insufficiency is a high risk factor for cognitive impairment, which involves inflammation and synaptic dysfunction. Resveratrol, an agonist of the Sirt1, has demonstrated anti-inflammation and neuroprotective effects in models of Alzheimer's disease, Parkinson's disease, and schizophrenia. However, the beneficial effects of resveratrol on sleep deprivation-induced cognitive deficits and its underlying molecular mechanisms are unclear. In the present study, thirty-two male C57BL/6 J mice were randomly divided into a Control+DMSO group, Control+Resveratrol group, SD+DMSO group, and SD+Resveratrol group. The mice in the SD+Resveratrol group underwent 5 days of sleep deprivation after pretreatment with resveratrol (50 mg/kg) for 2 weeks, while the mice in the SD+DMSO group only underwent sleep deprivation. After sleep deprivation, we evaluated spatial learning and memory function using the Morris water maze test. We used general molecular biology techniques to detect changes in levels of pro-inflammatory cytokines and Sirt1/miR-134 pathway-related synaptic plasticity proteins. We found that resveratrol significantly reversed sleep deprivation-induced learning and memory impairment, elevated interleukin-1β, interleukin-6, and tumor necrosis factor-α levels, and decreased brain-derived neurotrophic factor, tyrosine kinase receptor B, postsynaptic density protein-95, and synaptophysin levels by activating the Sirt1/miR-134 pathway. In conclusion, resveratrol is a promising agent for preventing sleep deprivation-induced cognitive dysfunction by reducing pro-inflammatory cytokines and improving synaptic function via the Sirt1/miR-134 pathway.
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Affiliation(s)
- Yue-Ming Zhang
- Department of Neurology (Sleep Disorders), the Affiliated Chaohu Hospital of Anhui Medical University, Hefei, 238000, Anhui, PR China
| | - Ru-Meng Wei
- Department of Neurology (Sleep Disorders), the Affiliated Chaohu Hospital of Anhui Medical University, Hefei, 238000, Anhui, PR China
| | - Jing-Ya Zhang
- Department of Neurology (Sleep Disorders), the Affiliated Chaohu Hospital of Anhui Medical University, Hefei, 238000, Anhui, PR China
| | - Shuang Liu
- Department of Neurology (Sleep Disorders), the Affiliated Chaohu Hospital of Anhui Medical University, Hefei, 238000, Anhui, PR China
| | - Kai-Xuan Zhang
- Department of Neurology (Sleep Disorders), the Affiliated Chaohu Hospital of Anhui Medical University, Hefei, 238000, Anhui, PR China
| | - Xiao-Yi Kong
- Department of Neurology (Sleep Disorders), the Affiliated Chaohu Hospital of Anhui Medical University, Hefei, 238000, Anhui, PR China
| | - Yi-Jun Ge
- Department of Neurology (Sleep Disorders), the Affiliated Chaohu Hospital of Anhui Medical University, Hefei, 238000, Anhui, PR China
| | - Xue-Yan Li
- Department of Neurology (Sleep Disorders), the Affiliated Chaohu Hospital of Anhui Medical University, Hefei, 238000, Anhui, PR China
| | - Gui-Hai Chen
- Department of Neurology (Sleep Disorders), the Affiliated Chaohu Hospital of Anhui Medical University, Hefei, 238000, Anhui, PR China
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Miyata J, Muraki I, Iso H, Yamagishi K, Yasuda N, Sawada N, Inoue M, Tsugane S. Sleep duration, its change, and risk of dementia among Japanese: The Japan Public Health Center-based Prospective Study. Prev Med 2024; 180:107884. [PMID: 38309314 DOI: 10.1016/j.ypmed.2024.107884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 01/30/2024] [Accepted: 01/31/2024] [Indexed: 02/05/2024]
Abstract
OBJECTIVE Previous findings on the association between sleep duration, changes in sleep duration, and long-term dementia risk were mixed. Thus, we aimed to investigate the association between midlife sleep duration, its change, and dementia. METHODS We recruited 41,731 Japanese (40-71 years) and documented their habitual sleep duration at baseline (1990-1994) and a 5-year follow-up survey. Changes in sleep duration were calculated as differences between baseline and 5-year measurements. We identified dementia using the Long-Term Care Insurance system (2007-2016). Hazard ratios (HRs) and 95% confidence intervals (CIs) of dementia were calculated using the area-stratified Cox model. RESULTS During 360,389 person-years, 4621 participants exhibited dementia. The multivariable HRs of dementia compared with 7 h of sleep were 1.13 (95% CI: 0.98-1.30) for 3-5 h, 0.93 (0.85-1.02) for 6 h, 1.06 (0.99-1.14) for 8 h, 1.13 (1.01-1.27) for 9 h, and 1.40 (1.21-1.63) for 10-12 h with a J-shaped fashion (p for linear < 0.001 and quadratic < 0.001). For its change, the HRs compared with no change were 1.02 (0.90-1.16) for decreased ≥2 h, 0.95 (0.88-1.03) for decreased 1 h, 1.00 (0.91-1.09) for increased 1 h, and 1.37 (1.20-1.58) for increased ≥2 h. The positive association for decreased sleep duration was observed in individuals with an initial sleep duration of ≤7 h, but not in those with ≥8 h (p for interaction = 0.007). CONCLUSIONS Long and increased sleep duration was associated with a higher risk of dementia.
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Affiliation(s)
- Jun Miyata
- Department of Island and Community Medicine, Nagasaki University Graduate School of Biomedical Sciences, 205 Yoshikugicho, Goto, Nagasaki 853-8691, Japan; Public Health, Department of Social Medicine, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Isao Muraki
- Public Health, Department of Social Medicine, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Hiroyasu Iso
- Public Health, Department of Social Medicine, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan; Institute for Global Health Policy Research, National Center for Global Health and Medicine, 1-21-1 Toyama, Shinjuku, Tokyo 162-8655, Japan; Department of Public Health Medicine, Institute of Medicine, and Health Services Research and Development Center, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8575, Japan.
| | - Kazumasa Yamagishi
- Department of Public Health Medicine, Institute of Medicine, and Health Services Research and Development Center, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8575, Japan
| | - Nobufumi Yasuda
- Department of Public Health, Kochi University Medical School, Kohasu, Okoh-cho, Nankoku, Kochi 783-8505, Japan
| | - Norie Sawada
- Division of Cohort Research, National Cancer Center Institution for Cancer Control, 5-1-1 Tsukiji, Chuo, Tokyo 104-0045, Japan
| | - Manami Inoue
- Division of Cohort Research, National Cancer Center Institution for Cancer Control, 5-1-1 Tsukiji, Chuo, Tokyo 104-0045, Japan; Division of Prevention, National Cancer Center Institution for Cancer Control, 5-1-1 Tsukiji, Chuo, Tokyo 104-0045, Japan
| | - Shoichiro Tsugane
- Division of Cohort Research, National Cancer Center Institution for Cancer Control, 5-1-1 Tsukiji, Chuo, Tokyo 104-0045, Japan; International University of Health and Welfare Graduate School of Public Health, 4-1-26 Akasaka, Minato, Tokyo 107-8402, Japan
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Thomas C, Kingshott RN, Allott KM, Tang JCY, Dunn R, Fraser WD, Thorley J, Virgilio N, Prawitt J, Hogervorst E, Škarabot J, Clifford T. Collagen peptide supplementation before bedtime reduces sleep fragmentation and improves cognitive function in physically active males with sleep complaints. Eur J Nutr 2024; 63:323-335. [PMID: 37874350 PMCID: PMC10799148 DOI: 10.1007/s00394-023-03267-w] [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: 02/22/2023] [Accepted: 10/03/2023] [Indexed: 10/25/2023]
Abstract
PURPOSE The primary aim of this study was to examine whether a glycine-rich collagen peptides (CP) supplement could enhance sleep quality in physically active men with self-reported sleep complaints. METHODS In a randomized, crossover design, 13 athletic males (age: 24 ± 4 years; training volume; 7 ± 3 h·wk1) with sleep complaints (Athens Insomnia Scale, 9 ± 2) consumed CP (15 g·day1) or a placebo control (CON) 1 h before bedtime for 7 nights. Sleep quality was measured with subjective sleep diaries and actigraphy for 7 nights; polysomnographic sleep and core temperature were recorded on night 7. Cognition, inflammation, and endocrine function were measured on night 7 and the following morning. Subjective sleepiness and fatigue were measured on all 7 nights. The intervention trials were separated by ≥ 7 days and preceded by a 7-night familiarisation trial. RESULTS Polysomnography showed less awakenings with CP than CON (21.3 ± 9.7 vs. 29.3 ± 13.8 counts, respectively; P = 0.028). The 7-day average for subjective awakenings were less with CP vs. CON (1.3 ± 1.5 vs. 1.9 ± 0.6 counts, respectively; P = 0.023). The proportion of correct responses on the baseline Stroop cognitive test were higher with CP than CON (1.00 ± 0.00 vs. 0.97 ± 0.05 AU, respectively; P = 0.009) the morning after night 7. There were no trial differences in core temperature, endocrine function, inflammation, subjective sleepiness, fatigue and sleep quality, or other measures of cognitive function or sleep (P > 0.05). CONCLUSION CP supplementation did not influence sleep quantity, latency, or efficiency, but reduced awakenings and improved cognitive function in physically active males with sleep complaints.
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Affiliation(s)
- Craig Thomas
- School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, Leicestershire, LE11 3TU, UK
| | - Ruth N Kingshott
- Sheffield Children's NHS Foundation Trust, The Sleep House, Sheffield, UK
| | - Kirsty M Allott
- Sheffield Children's NHS Foundation Trust, The Sleep House, Sheffield, UK
| | - Jonathan C Y Tang
- Bioanalytical Facility, Norwich Medical School, University of East Anglia, Norfolk and Norwich University Hospital Norfolk, Norwich, UK
- Clinical Biochemistry, Departments of Laboratory Medicine and Departments of Diabetes and Endocrinology Norfolk, Norwich University Hospital NHS Foundation Trust, Norwich, UK
| | - Rachel Dunn
- Bioanalytical Facility, Norwich Medical School, University of East Anglia, Norfolk and Norwich University Hospital Norfolk, Norwich, UK
- Clinical Biochemistry, Departments of Laboratory Medicine and Departments of Diabetes and Endocrinology Norfolk, Norwich University Hospital NHS Foundation Trust, Norwich, UK
| | - William D Fraser
- Bioanalytical Facility, Norwich Medical School, University of East Anglia, Norfolk and Norwich University Hospital Norfolk, Norwich, UK
- Clinical Biochemistry, Departments of Laboratory Medicine and Departments of Diabetes and Endocrinology Norfolk, Norwich University Hospital NHS Foundation Trust, Norwich, UK
| | - Josh Thorley
- School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, Leicestershire, LE11 3TU, UK
| | | | | | - Eef Hogervorst
- School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, Leicestershire, LE11 3TU, UK
| | - Jakob Škarabot
- School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, Leicestershire, LE11 3TU, UK
| | - Tom Clifford
- School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, Leicestershire, LE11 3TU, UK.
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Hadeiy SK, Habtemariam S, Shankayi Z, Shahyad S, Sahraei H, Asghardoust Rezaei M, Bahrami F. Amelioration of pain and anxiety in sleep-deprived rats by intra-amygdala injection of cinnamaldehyde. Sleep Med X 2023. [DOI: 10.1016/j.sleepx.2023.100069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/03/2023] Open
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Gil-Hernández E, Ruiz-González C, Rodriguez-Arrastia M, Ropero-Padilla C, Rueda-Ruzafa L, Sánchez-Labraca N, Roman P. Effect of gut microbiota modulation on sleep: a systematic review and meta-analysis of clinical trials. Nutr Rev 2023; 81:1556-1570. [PMID: 37023468 DOI: 10.1093/nutrit/nuad027] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/08/2023] Open
Abstract
CONTEXT A bidirectional relationship between gut microbiota (GM) and circadian rhythms has been proposed. OBJECTIVE The aim of this study was to analyze the efficacy of probiotic or prebiotic intervention on sleep quality and quantity. DATA SOURCES A systematic review and meta-analysis were conducted using the databases PubMed (MEDLINE), Embase, CINAHL, and Web of Science. Only randomized clinical trials written in English or Spanish were considered. DATA EXTRACTION The initial search resulted in 219 articles. Following the removal of duplicates and consideration of the selection criteria, 25 articles were selected for the systematic review and 18 articles for the meta-analysis. DATA ANALYSIS Microbiota modulation was not demonstrated to be associated with significant improvement in sleep quality in the present meta-analysis (P = 0.31). In terms of sleep duration, the meta-analysis found no improvement due to GM modulation (P = 0.43). CONCLUSION The results of this meta-analysis indicate that there is still insufficient evidence to support the relationship between GM modulation and improved sleep quality. While several studies assume that including probiotics in the diet will undoubtedly improve sleep quality, more research is needed to fully understand this phenomenon. SYSTEMATIC REVIEW REGISTRATION PROSPERO registration no. CRD42021245118.
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Affiliation(s)
| | | | - Miguel Rodriguez-Arrastia
- Faculty of Health Sciences, Department of Nursing Science, Physiotherapy and Medicine, University of Almeria, Almeria, Spain
| | - Carmen Ropero-Padilla
- Faculty of Health Sciences, Department of Nursing Science, Physiotherapy and Medicine, University of Almeria, Almeria, Spain
| | - Lola Rueda-Ruzafa
- Faculty of Health Sciences, Department of Nursing Science, Physiotherapy and Medicine, University of Almeria, Almeria, Spain
| | - Nuria Sánchez-Labraca
- Faculty of Health Sciences, Department of Nursing Science, Physiotherapy and Medicine, University of Almeria, Almeria, Spain
| | - Pablo Roman
- Faculty of Health Sciences, Department of Nursing Science, Physiotherapy and Medicine, University of Almeria, Almeria, Spain
- Health Research Center CEINSA, University of Almeria, Almeria, Spain
- Research Group CTS-1114 Health Sciences, University of Almeria, Almeria, Spain
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Ballestar-Tarín ML, Ibáñez-del Valle V, Mafla-España MA, Cauli O, Navarro-Martínez R. Increased Salivary IL-1 Beta Level Is Associated with Poor Sleep Quality in University Students. Diseases 2023; 11:136. [PMID: 37873780 PMCID: PMC10594478 DOI: 10.3390/diseases11040136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 09/29/2023] [Accepted: 10/02/2023] [Indexed: 10/25/2023] Open
Abstract
Poor sleep quality is a major public health concern for all ages. In particular, university students often face stress levels and changes in social life habits that negatively influence their quality of sleep. This could be associated with psychological well-being in terms of anxiety and depressive symptoms, stress levels, and a poor self-perceived health status. The increases in the pro-inflammatory cytokine interleukin 6 (IL-6), IL-1 beta (IL-1β), and tumor necrosis factor alpha (TNFα), in blood have been linked to poor sleep quality in many diseases, but data on salivary cytokine levels in students are missing or are seldom analyzed. In this study we determined the quality of sleep in a sample of university students and the role of psychological assessment and factors affecting sleep (alcohol intake, tobacco, consumption of stimulant drinks, exercise, and body mass index). We also aimed to shed new light on the associations between sleep quality and salivary inflammatory cytokines (IL-1β, IL-6, and TNFα). Sleep quality was measured with the Athens Insomnia Scale (AIS) and Pittsburgh Sleep Quality Index (PSQI). Perceived stress was assessed using Cohen's Perceived Stress Scale (PSS), and the Goldberg Anxiety and Depression Scale (GADS) was used to assess the level of anxiety or depression. Perceived health status was measured with a visual analogue. Saliva samples was taken in the morning and the inflammatory cytokines was measured via enzyme-linked immunoassay. There was a direct and significant association between the salivary IL-1β concentration and AIS score (r = 0.248; p = 0.038, Pearson correlation) and Pittsburgh scale score (r = 0.274; p = 0.022, Pearson correlation). The relationship between IL-1β and AIS controlling for sex, age, and chronic disease, is still significant (r = 0.260; p = 0.033). The relationship between IL-1β and PSQI controlling for the influence of these variables is also significant (r = 0.279; p = 0.022). Salivary IL-1β concentrations were not significantly associated with any of the scores of the other psychological assessments (PSS, anxiety, depression symptoms, or self-perceived health). Salivary TNFα was significantly and inversely associated with self-perceived health (r = -0.259; p = 0.033, Pearson correlation), but the salivary IL-6 concentration was not associated with any of the sleep quality scale or psychological assessment scores. Our results provide a novel relationship between pro-inflammatory cytokine IL-1β in saliva and poor sleep quality. However, the role of inflammation in poor sleep quality requires further study to identify strategies that could lower inflammation and thus, likely improve sleep quality.
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Affiliation(s)
- María Luisa Ballestar-Tarín
- Department of Nursing, University of Valencia, 46010 Valencia, Spain; (M.L.B.-T.); (V.I.-d.V.); (M.A.M.-E.); (R.N.-M.)
- Nursing Care and Education Research Group (GRIECE), GIUV2019-456, Nursing Department, Universitat de Valencia, 46010 Valencia, Spain
| | - Vanessa Ibáñez-del Valle
- Department of Nursing, University of Valencia, 46010 Valencia, Spain; (M.L.B.-T.); (V.I.-d.V.); (M.A.M.-E.); (R.N.-M.)
- Frailty Research Organized Group (FROG), University of Valencia, 46010 Valencia, Spain
| | - Mayra Alejandra Mafla-España
- Department of Nursing, University of Valencia, 46010 Valencia, Spain; (M.L.B.-T.); (V.I.-d.V.); (M.A.M.-E.); (R.N.-M.)
| | - Omar Cauli
- Department of Nursing, University of Valencia, 46010 Valencia, Spain; (M.L.B.-T.); (V.I.-d.V.); (M.A.M.-E.); (R.N.-M.)
- Frailty Research Organized Group (FROG), University of Valencia, 46010 Valencia, Spain
| | - Rut Navarro-Martínez
- Department of Nursing, University of Valencia, 46010 Valencia, Spain; (M.L.B.-T.); (V.I.-d.V.); (M.A.M.-E.); (R.N.-M.)
- Frailty Research Organized Group (FROG), University of Valencia, 46010 Valencia, Spain
- Department of Hematology, University General Hospital, 46014 Valencia, Spain
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11
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Xiao C, Fedirko V, Claussen H, Richard Johnston H, Peng G, Paul S, Maner-Smith KM, Higgins KA, Shin DM, Saba NF, Wommack EC, Bruner DW, Miller AH. Circulating short chain fatty acids and fatigue in patients with head and neck cancer: A longitudinal prospective study. Brain Behav Immun 2023; 113:432-443. [PMID: 37543249 PMCID: PMC10528227 DOI: 10.1016/j.bbi.2023.07.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 07/13/2023] [Accepted: 07/30/2023] [Indexed: 08/07/2023] Open
Abstract
Fatigue among patients with head and neck cancer (HNC) has been associated with higher inflammation. Short-chain fatty acids (SCFAs) have been shown to have anti-inflammatory and immunoregulatory effects. Therefore, this study aimed to examine the association between SCFAs and fatigue among patients with HNC undergoing treatment with radiotherapy with or without concurrent chemotherapy. Plasma SCFAs and the Multidimensional Fatigue Inventory-20 were collected prior to and one month after the completion of treatment in 59 HNC patients. The genome-wide gene expression profile was obtained from blood leukocytes prior to treatment. Lower butyrate concentrations were significantly associated with higher fatigue (p = 0.013) independent of time of assessment, controlling for covariates. A similar relationship was observed for iso/valerate (p = 0.025). Comparison of gene expression in individuals with the top and bottom 33% of butyrate or iso/valerate concentrations prior to radiotherapy revealed 1,088 and 881 significantly differentially expressed genes, respectively (raw p < 0.05). The top 10 Gene Ontology terms from the enrichment analyses revealed the involvement of pathways related to cytokines and lipid and fatty acid biosynthesis. These findings suggest that SCFAs may regulate inflammatory and immunometabolic responses and, thereby, reduce inflammatory-related symptoms, such as fatigue.
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Affiliation(s)
- Canhua Xiao
- Nell Hodson Woodroof School of Nursing, Emory University, Atlanta, GA, USA.
| | - Veronika Fedirko
- Department of Epidemiology, MD Anderson Cancer Center, Houston, TX, USA; Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Henry Claussen
- Integrated Computational Core, Emory University, Atlanta, GA, USA
| | | | - Gang Peng
- Department of Medical and Molecular Genetics, Indiana University, Indianapolis, IN, USA
| | - Sudeshna Paul
- Nell Hodson Woodroof School of Nursing, Emory University, Atlanta, GA, USA
| | | | | | - Dong M Shin
- School of Medicine, Emory University, Atlanta, GA, USA
| | - Nabil F Saba
- School of Medicine, Emory University, Atlanta, GA, USA
| | - Evanthia C Wommack
- Department of Psychiatry and Behavioral Sciences, School of Medicine, Emory University, Atlanta, GA, USA
| | - Deborah W Bruner
- Nell Hodson Woodroof School of Nursing, Emory University, Atlanta, GA, USA
| | - Andrew H Miller
- Department of Psychiatry and Behavioral Sciences, School of Medicine, Emory University, Atlanta, GA, USA
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12
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Sharma A, Feng L, Muresanu DF, Tian ZR, Lafuente JV, Buzoianu AD, Nozari A, Bryukhovetskiy I, Manzhulo I, Wiklund L, Sharma HS. Sleep deprivation enhances amyloid beta peptide, p-tau and serotonin in the brain: Neuroprotective effects of nanowired delivery of cerebrolysin with monoclonal antibodies to amyloid beta peptide, p-tau and serotonin. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2023; 171:125-162. [PMID: 37783554 DOI: 10.1016/bs.irn.2023.05.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
Sleep deprivation is quite frequent in military during combat, intelligence gathering or peacekeeping operations. Even one night of sleep deprivation leads to accumulation of amyloid beta peptide burden that would lead to precipitation of Alzheimer's disease over the years. Thus, efforts are needed to slow down or neutralize accumulation of amyloid beta peptide (AβP) and associated Alzheimer's disease brain pathology including phosphorylated tau (p-tau) within the brain fluid environment. Sleep deprivation also alters serotonin (5-hydroxytryptamine) metabolism in the brain microenvironment and impair upregulation of several neurotrophic factors. Thus, blockade or neutralization of AβP, p-tau and serotonin in sleep deprivation may attenuate brain pathology. In this investigation this hypothesis is examined using nanodelivery of cerebrolysin- a balanced composition of several neurotrophic factors and active peptide fragments together with monoclonal antibodies against AβP, p-tau and serotonin (5-hydroxytryptamine, 5-HT). Our observations suggest that sleep deprivation induced pathophysiology is significantly reduced following nanodelivery of cerebrolysin together with monoclonal antibodies to AβP, p-tau and 5-HT, not reported earlier.
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Affiliation(s)
- Aruna Sharma
- International Experimental Central Nervous System Injury & Repair (IECNSIR), Dept. of Surgical Sciences, Anesthesiology & Intensive Care Medicine, Uppsala University Hospital, Uppsala University, Uppsala, Sweden.
| | - Lianyuan Feng
- Department of Neurology, Bethune International Peace Hospital, Zhongshan Road (West), Shijiazhuang, Hebei Province, P.R. China
| | - Dafin F Muresanu
- Dept. Clinical Neurosciences, University of Medicine & Pharmacy, Cluj-Napoca, Romania; "RoNeuro" Institute for Neurological Research and Diagnostic, Mircea Eliade Street, Cluj-Napoca, Romania
| | - Z Ryan Tian
- Dept. Chemistry & Biochemistry, University of Arkansas, Fayetteville, AR, United States
| | - José Vicente Lafuente
- LaNCE, Dept. Neuroscience, University of the Basque Country (UPV/EHU), Leioa, Bizkaia, Spain
| | - Anca D Buzoianu
- Department of Clinical Pharmacology and Toxicology, "Iuliu Hatieganu" University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Ala Nozari
- Department of Anesthesiology, Boston University, Albany str, Boston MA, USA
| | - Igor Bryukhovetskiy
- Department of Fundamental Medicine, School of Biomedicine, Far Eastern Federal University, Vladivostok, Russia; Laboratory of Pharmacology, National Scientific Center of Marine Biology, Far East Branch of the Russian Academy of Sciences, Vladivostok, Russia
| | - Igor Manzhulo
- Laboratory of Pharmacology, National Scientific Center of Marine Biology, Far East Branch of the Russian Academy of Sciences, Vladivostok, Russia
| | - Lars Wiklund
- International Experimental Central Nervous System Injury & Repair (IECNSIR), Dept. of Surgical Sciences, Anesthesiology & Intensive Care Medicine, Uppsala University Hospital, Uppsala University, Uppsala, Sweden
| | - Hari Shanker Sharma
- International Experimental Central Nervous System Injury & Repair (IECNSIR), Dept. of Surgical Sciences, Anesthesiology & Intensive Care Medicine, Uppsala University Hospital, Uppsala University, Uppsala, Sweden.
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13
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Versace S, Pellitteri G, Sperotto R, Tartaglia S, Da Porto A, Catena C, Gigli GL, Cavarape A, Valente M. A State-of-Art Review of the Vicious Circle of Sleep Disorders, Diabetes and Neurodegeneration Involving Metabolism and Microbiota Alterations. Int J Mol Sci 2023; 24:10615. [PMID: 37445790 DOI: 10.3390/ijms241310615] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Revised: 06/15/2023] [Accepted: 06/22/2023] [Indexed: 07/15/2023] Open
Abstract
In the context of neurodegenerative disorders, cognitive decline is frequently reported in older population. Recently, numerous metabolic pathways have been implicated in neurodegeneration, including signaling disruption of insulin and other glucose-regulating hormones. In fact, Alzheimer's disease has now been considered as "type-3 diabetes". In this review, we tried to clarify the role of sleep impairment as the third major player in the complex relationship between metabolic and neurodegenerative diseases. Altered sleep may trigger or perpetuate these vicious mechanisms, leading to the development of both dementia and type 2 diabetes mellitus. Finally, we analyzed these reciprocal interactions considering the emerging role of the gut microbiota in modulating the same processes. Conditions of dysbiosis have been linked to circadian rhythm disruption, metabolic alterations, and release of neurotoxic products, all contributing to neurodegeneration. In a future prospective, gut microbiota could provide a major contribution in explaining the tangled relationship between sleep disorders, dementia and diabetes.
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Affiliation(s)
- Salvatore Versace
- Clinical Neurology, Udine University Hospital, Piazza Santa Maria della Misericordia, 15, 33100 Udine, Italy
- Department of Medicine (DAME), University of Udine, 33100 Udine, Italy
| | - Gaia Pellitteri
- Clinical Neurology, Udine University Hospital, Piazza Santa Maria della Misericordia, 15, 33100 Udine, Italy
| | - Roberto Sperotto
- Clinical Neurology, Udine University Hospital, Piazza Santa Maria della Misericordia, 15, 33100 Udine, Italy
- Department of Medicine (DAME), University of Udine, 33100 Udine, Italy
| | - Sara Tartaglia
- Clinical Neurology, Udine University Hospital, Piazza Santa Maria della Misericordia, 15, 33100 Udine, Italy
- Department of Medicine (DAME), University of Udine, 33100 Udine, Italy
| | - Andrea Da Porto
- Department of Medicine (DAME), University of Udine, 33100 Udine, Italy
- Internal Medicine, Udine University Hospital, 33100 Udine, Italy
| | - Cristiana Catena
- Department of Medicine (DAME), University of Udine, 33100 Udine, Italy
- Internal Medicine, Udine University Hospital, 33100 Udine, Italy
| | - Gian Luigi Gigli
- Department of Medicine (DAME), University of Udine, 33100 Udine, Italy
| | - Alessandro Cavarape
- Department of Medicine (DAME), University of Udine, 33100 Udine, Italy
- Internal Medicine, Udine University Hospital, 33100 Udine, Italy
| | - Mariarosaria Valente
- Clinical Neurology, Udine University Hospital, Piazza Santa Maria della Misericordia, 15, 33100 Udine, Italy
- Department of Medicine (DAME), University of Udine, 33100 Udine, Italy
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14
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Puech C, Badran M, Runion AR, Barrow MB, Cataldo K, Gozal D. Cognitive Impairments, Neuroinflammation and Blood-Brain Barrier Permeability in Mice Exposed to Chronic Sleep Fragmentation during the Daylight Period. Int J Mol Sci 2023; 24:9880. [PMID: 37373028 DOI: 10.3390/ijms24129880] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 06/06/2023] [Accepted: 06/06/2023] [Indexed: 06/29/2023] Open
Abstract
Obstructive sleep apnea (OSA) is a chronic condition characterized by intermittent hypoxia (IH) and sleep fragmentation (SF). In murine models, chronic SF can impair endothelial function and induce cognitive declines. These deficits are likely mediated, at least in part, by alterations in Blood-brain barrier (BBB) integrity. Male C57Bl/6J mice were randomly assigned to SF or sleep control (SC) conditions for 4 or 9 weeks and in a subset 2 or 6 weeks of normal sleep recovery. The presence of inflammation and microglia activation were evaluated. Explicit memory function was assessed with the novel object recognition (NOR) test, while BBB permeability was determined by systemic dextran-4kDA-FITC injection and Claudin 5 expression. SF exposures resulted in decreased NOR performance and in increased inflammatory markers and microglial activation, as well as enhanced BBB permeability. Explicit memory and BBB permeability were significantly associated. BBB permeability remained elevated after 2 weeks of sleep recovery (p < 0.01) and returned to baseline values only after 6 weeks. Chronic SF exposures mimicking the fragmentation of sleep that characterizes patients with OSA elicits evidence of inflammation in brain regions and explicit memory impairments in mice. Similarly, SF is also associated with increased BBB permeability, the magnitude of which is closely associated with cognitive functional losses. Despite the normalization of sleep patterns, BBB functional recovery is a protracted process that merits further investigation.
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Affiliation(s)
- Clementine Puech
- Child Health Research Institute, Department of Child Health, School of Medicine, University of Missouri, 400 N Keene St., Suite 010, Columbia, MO 65201, USA
| | - Mohammad Badran
- Child Health Research Institute, Department of Child Health, School of Medicine, University of Missouri, 400 N Keene St., Suite 010, Columbia, MO 65201, USA
| | - Alexandra R Runion
- Undergraduate Student Research Program, University of Missouri, Columbia, MO 65201, USA
| | - Max B Barrow
- Child Health Research Institute, Department of Child Health, School of Medicine, University of Missouri, 400 N Keene St., Suite 010, Columbia, MO 65201, USA
| | - Kylie Cataldo
- Child Health Research Institute, Department of Child Health, School of Medicine, University of Missouri, 400 N Keene St., Suite 010, Columbia, MO 65201, USA
| | - David Gozal
- Child Health Research Institute, Department of Child Health, School of Medicine, University of Missouri, 400 N Keene St., Suite 010, Columbia, MO 65201, USA
- Department of Medical Pharmacology and Physiology, School of Medicine, University of Missouri, Columbia, MO 65201, USA
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15
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Yang Y, Liu J, Ou H, Ma X, Li J, Shao B, Jin R, Zhao J. Study on the Mechanism of Jiaotai Pill Intervention on Insomnia Animal Model Based on Gut Microbiome and Metabolomics. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2023; 2023:2442505. [PMID: 37260523 PMCID: PMC10229250 DOI: 10.1155/2023/2442505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Revised: 04/02/2023] [Accepted: 04/13/2023] [Indexed: 06/02/2023]
Abstract
Background With the continuous advancement of clinical application and experimental research of JTP, the application prospect of JTP in nervous system diseases and metabolic diseases is becoming increasingly clear. Jiaotai Pill (JTP) is a traditional Chinese medicine formula for insomnia, consisting of Coptidis rhizoma and Cinnamomi cortex, which dates back to Han Shi Yi Tong in the Ming Dynasty of China. Objective Based on the brain-gut axis theory, this paper aims to explore the potential mechanism of JTP in the intervention of insomnia by using intestinal microbiome and metabolomics technology, taking the animal model of insomnia as the research object, so as to provide experimental basis for its further application and research. Methods The insomnia mouse model was induced by intraperitoneal injection of para-chlorophenylalanine (PCPA). The clinical equivalent dose of JTP was administered by gavage for one week. The efficacy of JTP was evaluated by behavioral tests, serum biochemical detection, and brain histomorphological observation. The contents of cecum were analyzed by microbiomics and metabolomics. Results The results show that insomnia caused by PCPA led to daytime dysfunction, higher HPA axis hormone levels, and morphologically impaired hippocampus. JTP reversed these anomalies. Omics research indicates that JTP significantly reduced gut α diversity; at the phylum level, JTP reduced the relative abundance of Firmicutes, Deferribacterota, Cyanobacteria, and Actinobacteriota and increased the relative abundance of Verrucomicrobiota, Proteobacteria, and Desulfobacterota. At the genus level, JTP reduced the relative abundance of Muribaculaceae, Lachnospiraceae_NK4A136_group, Alistipes, Colidextribacter, Muribaculum, and Mucispirillum and increased the relative abundance of Bacteroides and Akkermansia. JTP also reversed the activation of the linoleic acid metabolism pathway induced by insomnia. The combined analysis of omics suggests that JTP may play a role by regulating the inflammatory state of the body. Further gene expression analysis of brain tissue confirmed this. Conclusions We hypothesize that JTP may achieve insomnia relief by eliminating inflammation-causing bacteria in the gut and reducing inflammation levels through the brain-gut axis, pointing to potential targets and pathways for future research on JTP.
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Affiliation(s)
- Yang Yang
- School of Life Sciences, Beijing University of Chinese Medicine, No. 11 East Road, North 3rd Ring Road, Beijing 100029, China
| | - Jiao Liu
- School of Life Sciences, Beijing University of Chinese Medicine, No. 11 East Road, North 3rd Ring Road, Beijing 100029, China
| | - Haosong Ou
- School of Life Sciences, Beijing University of Chinese Medicine, No. 11 East Road, North 3rd Ring Road, Beijing 100029, China
| | - Xin Ma
- School of Life Sciences, Beijing University of Chinese Medicine, No. 11 East Road, North 3rd Ring Road, Beijing 100029, China
| | - Jia Li
- School of Life Sciences, Beijing University of Chinese Medicine, No. 11 East Road, North 3rd Ring Road, Beijing 100029, China
| | - Binghao Shao
- School of Life Sciences, Beijing University of Chinese Medicine, No. 11 East Road, North 3rd Ring Road, Beijing 100029, China
| | - Ruyi Jin
- School of Life Sciences, Beijing University of Chinese Medicine, No. 11 East Road, North 3rd Ring Road, Beijing 100029, China
| | - Junyun Zhao
- School of Life Sciences, Beijing University of Chinese Medicine, No. 11 East Road, North 3rd Ring Road, Beijing 100029, China
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16
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Chen P, Ban W, Wang W, You Y, Yang Z. The Devastating Effects of Sleep Deprivation on Memory: Lessons from Rodent Models. Clocks Sleep 2023; 5:276-294. [PMID: 37218868 DOI: 10.3390/clockssleep5020022] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 05/11/2023] [Accepted: 05/11/2023] [Indexed: 05/24/2023] Open
Abstract
In this narrative review article, we discuss the role of sleep deprivation (SD) in memory processing in rodent models. Numerous studies have examined the effects of SD on memory, with the majority showing that sleep disorders negatively affect memory. Currently, a consensus has not been established on which damage mechanism is the most appropriate. This critical issue in the neuroscience of sleep remains largely unknown. This review article aims to elucidate the mechanisms that underlie the damaging effects of SD on memory. It also proposes a scientific solution that might explain some findings. We have chosen to summarize literature that is both representative and comprehensive, as well as innovative in its approach. We examined the effects of SD on memory, including synaptic plasticity, neuritis, oxidative stress, and neurotransmitters. Results provide valuable insights into the mechanisms by which SD impairs memory function.
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Affiliation(s)
- Pinqiu Chen
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100193, China
- Key Laboratory of Molecular Pharmacology and Drug Evaluation, Ministry of Education, School of Pharmacy, Yantai University, Yantai 264005, China
| | - Weikang Ban
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100193, China
| | - Wenyan Wang
- Key Laboratory of Molecular Pharmacology and Drug Evaluation, Ministry of Education, School of Pharmacy, Yantai University, Yantai 264005, China
| | - Yuyang You
- School of Automation, Beijing Institute of Technology, Beijing 100081, China
| | - Zhihong Yang
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100193, China
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17
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Carvalhas-Almeida C, Serra J, Moita J, Cavadas C, Álvaro AR. Understanding neuron-glia crosstalk and biological clocks in insomnia. Neurosci Biobehav Rev 2023; 147:105100. [PMID: 36804265 DOI: 10.1016/j.neubiorev.2023.105100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 02/03/2023] [Accepted: 02/14/2023] [Indexed: 02/18/2023]
Abstract
According to the World Health Organization, about one-third of the population experiences insomnia symptoms, and about 10-15% suffer from chronic insomnia, the most common sleep disorder. Sleeping difficulties associated with insomnia are often linked to chronic sleep deprivation, which has a negative health impact partly due to disruption in the internal synchronisation of biological clocks. These are regulated by clock genes and modulate most biological processes. Most studies addressing circadian rhythm regulation have focused on the role of neurons, yet glial cells also impact circadian rhythms and sleep regulation. Chronic insomnia and sleep loss have been associated with glial cell activation, exacerbated neuroinflammation, oxidative stress, altered neuronal metabolism and synaptic plasticity, accelerated age-related processes and decreased lifespan. It is, therefore, essential to highlight the importance of glia-neuron interplay on sleep/circadian regulation and overall healthy brain function. Hence, in this review, we aim to address the main neurobiological mechanisms involved in neuron-glia crosstalk, with an emphasis on microglia and astrocytes, in both healthy sleep, chronic sleep deprivation and chronic insomnia.
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Affiliation(s)
- Catarina Carvalhas-Almeida
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Portugal; Centre for Innovation in Biomedicine and Biotechnology (CIBB), University of Coimbra, Portugal
| | - Joana Serra
- Sleep Medicine Unit, Coimbra Hospital and University Center (CHUC), Coimbra, Portugal
| | - Joaquim Moita
- Sleep Medicine Unit, Coimbra Hospital and University Center (CHUC), Coimbra, Portugal
| | - Cláudia Cavadas
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Portugal; Centre for Innovation in Biomedicine and Biotechnology (CIBB), University of Coimbra, Portugal; Faculty of Pharmacy, University of Coimbra, Portugal; Institute for Interdisciplinary Research (IIIUC), University of Coimbra, Coimbra, Portugal
| | - Ana Rita Álvaro
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Portugal; Centre for Innovation in Biomedicine and Biotechnology (CIBB), University of Coimbra, Portugal; Institute for Interdisciplinary Research (IIIUC), University of Coimbra, Coimbra, Portugal.
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18
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Ballesio A, Zagaria A, Curti DG, Moran R, Goadsby PJ, Rosenzweig I, Lombardo C. Peripheral brain-derived neurotrophic factor (BDNF) in insomnia: A systematic review and meta-analysis. Sleep Med Rev 2023; 67:101738. [PMID: 36577338 DOI: 10.1016/j.smrv.2022.101738] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 12/12/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022]
Abstract
The brain-derived neurotrophic factor (BDNF) is associated with emotional and cognitive functioning, and it is considered a transdiagnostic biomarker for mental disorders. Literature on insomnia related BDNF changes yielded contrasting results and it has never been synthetized using meta-analysis. To fill this gap, we conducted a systematic review and meta-analysis of case-control studies examining the levels of peripheric BDNF in individuals with insomnia and healthy controls using the PRISMA guidelines. PubMed, Scopus, Medline, PsycINFO and CINAHL were searched up to Nov 2022. Nine studies met the inclusion criteria and were assessed using the Newcastle-Ottawa Scale. Eight studies reported sufficient data for meta-analysis. Random-effects models showed lower BDNF in subjects with insomnia (n = 446) than in controls (n = 706) (Hedge's g = -0.86, 95% CI: -1.39 to -0.32, p = .002). Leave-one-out sensitivity analysis confirmed that the pooled effect size was robust and not driven by any single study. However, given the small sample size, the cross-sectional nature of the measurement, and the high heterogeneity of included data, the results should be cautiously interpreted. Progress in the study of BDNF in insomnia is clinically relevant to better understand the mechanisms that may explain the relationship between disturbed sleep and mental disorders.
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Affiliation(s)
- Andrea Ballesio
- Department of Psychology, Sapienza University of Rome, Italy.
| | - Andrea Zagaria
- Department of Psychology, Sapienza University of Rome, Italy
| | | | - Rosalyn Moran
- Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience (IoPPN), King's College London, UK
| | - Peter J Goadsby
- NIHR-Wellcome Trust King's Clinical Research Facility, King's College London UK
| | - Ivana Rosenzweig
- Sleep and Brain Plasticity Centre, Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience (IoPPN), King's College London, London, UK; Sleep Disorders Centre, Guy's and St Thomas' National Health Service Foundation Trust, London, UK
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19
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Adami LNG, Fernandes GL, Carvalho RCD, Okada FK, Tufik S, Andersen ML, Bertolla RP. Effect of chronic sleep deprivation on acrosomal integrity and functional parameters of murine sperm. F&S SCIENCE 2023; 4:11-20. [PMID: 36565949 DOI: 10.1016/j.xfss.2022.12.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 12/09/2022] [Accepted: 12/19/2022] [Indexed: 12/24/2022]
Abstract
OBJECTIVE To evaluate the effect of chronic sleep deprivation on sperm function quality in mice. DESIGN Experimental study. SETTING Not applicable. ANIMALS Spermatozoa from twenty-four 10-week-old C57BL/6J male mice. INTERVENTION(S) The sleep deprivation group underwent gentle handling for 6 hours for 5 consecutive days. The mice in the sleep recovery group were allowed to sleep during the 24-hour period after the sleep deprivation protocol. MAIN OUTCOME MEASURE(S) After euthanasia, the spermatozoa were collected for analysis. Sperm motility was evaluated using computer-assisted sperm analyzer. Intracellular superoxide anion (O2-) activity, acrosome integrity, mitochondrial activity, and DNA fragmentation assays were conducted afterward. RESULT(S) Sleep deprivation and sleep recovery groups presented a lower percentage of spermatozoa with an intact acrosome, compared with the respective control groups. Regarding DNA fragmentation, a decreased proportion of spermatozoa with Comet I class intact DNA was observed in the sleep recovery group, compared with the recovery control group. Beat cross frequency was increased in the sleep recovery group. CONCLUSION(S) Sleep deprivation can reduce sperm quality, impairing acrosome integrity. Sleep recovery decreased DNA integrity and increased beat cross frequency.
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Affiliation(s)
- Luana Nayara Gallego Adami
- Disciplina de Urologia, Setor de Reprodução Humana, Departamento de Cirurgia, Universidade Federal de São Paulo, São Paulo, Brazil
| | | | - Renata Cristina de Carvalho
- Disciplina de Urologia, Setor de Reprodução Humana, Departamento de Cirurgia, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Fatima Kazue Okada
- Disciplina de Urologia, Setor de Reprodução Humana, Departamento de Cirurgia, Universidade Federal de São Paulo, São Paulo, Brazil; Laboratório de Biologia do Desenvolvimento, Departamento de Morfologia e Genética, Universidade Federal de São Paulo, São Paulo, Brazil.
| | - Sergio Tufik
- Departamento de Psicobiologia, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Monica Levy Andersen
- Departamento de Psicobiologia, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Ricardo Pimenta Bertolla
- Disciplina de Urologia, Setor de Reprodução Humana, Departamento de Cirurgia, Universidade Federal de São Paulo, São Paulo, Brazil
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20
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Hu Y, Yin J, Yang G. Melatonin upregulates BMAL1 to attenuate chronic sleep deprivation-related cognitive impairment by alleviating oxidative stress. Brain Behav 2023; 13:e2836. [PMID: 36563187 PMCID: PMC9847595 DOI: 10.1002/brb3.2836] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 10/07/2022] [Accepted: 11/14/2022] [Indexed: 12/24/2022] Open
Abstract
PURPOSE To investigate the mechanism underlying the regulatory effect of melatonin on chronic sleep deprivation-related cognitive impairment. METHODS Chronic sleep deprivation (CSD) model was established using the MMPM method. After the model was established, melatonin receptor agonist and inhibitor were given, respectively. Water maze was conducted to record the escape latency and the duration of crossing the platform of space exploration. The concentration of TNF-α, IL-6, MDA, and SOD was measured by ELISA. Immunofluorescence was used to determine the expression level of CD86 and CD206, while the mRNA expression of Bax, Bcl-2, P65, IκB, and BMAL1 was detected by qPCR. Western blotting assay was utilized to determine the protein expression of Bax, Bcl-2, P65, p-P65, IκB, p-I κB, and BMAL1. RESULTS Compared with the control, the escape latency was greatly increased on the second and third day, accompanied by the increased expression of TNF-α, IL-6, MDA, and SOD in serum. Furthermore, dramatically upregulated Bax, Bcl-2, P65, IκB, and CD86 were observed in the model group, accompanied by the declined expression level of BMAL1 and CD206. Compared with the model group, the escape latency was declined, the concentration of TNF-α, IL-6, MDA, and SOD was decreased, the expression level of Bax, Bcl-2, P65, IκB, and CD86 was declined, and the level of BMAL1 and CD206 was promoted by the treatment of the melatonin agonist, while the opposite results were observed under the treatment of the melatonin inhibitor. CONCLUSION Melatonin upregulates BMAL1 to attenuate chronic sleep deprivation-related cognitive impairment by alleviating oxidative stress.
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Affiliation(s)
- Yujie Hu
- Department of Neurology, Central South University Xiangya School of Medicine Affiliated Haikou Hospital, Haikou, China
| | - Jierong Yin
- Department of Neurology, Central South University Xiangya School of Medicine Affiliated Haikou Hospital, Haikou, China
| | - Guoshuai Yang
- Department of Neurology, Central South University Xiangya School of Medicine Affiliated Haikou Hospital, Haikou, China
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21
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Sharma A, Feng L, Muresanu DF, Tian ZR, Lafuente JV, Buzoianu AD, Nozari A, Bryukhovetskiy I, Manzhulo I, Wiklund L, Sharma HS. Nanowired Delivery of Cerebrolysin Together with Antibodies to Amyloid Beta Peptide, Phosphorylated Tau, and Tumor Necrosis Factor Alpha Induces Superior Neuroprotection in Alzheimer's Disease Brain Pathology Exacerbated by Sleep Deprivation. ADVANCES IN NEUROBIOLOGY 2023; 32:3-53. [PMID: 37480458 DOI: 10.1007/978-3-031-32997-5_1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/24/2023]
Abstract
Sleep deprivation induces amyloid beta peptide and phosphorylated tau deposits in the brain and cerebrospinal fluid together with altered serotonin metabolism. Thus, it is likely that sleep deprivation is one of the predisposing factors in precipitating Alzheimer's disease (AD) brain pathology. Our previous studies indicate significant brain pathology following sleep deprivation or AD. Keeping these views in consideration in this review, nanodelivery of monoclonal antibodies to amyloid beta peptide (AβP), phosphorylated tau (p-tau), and tumor necrosis factor alpha (TNF-α) in sleep deprivation-induced AD is discussed based on our own investigations. Our results suggest that nanowired delivery of monoclonal antibodies to AβP with p-tau and TNF-α induces superior neuroprotection in AD caused by sleep deprivation, not reported earlier.
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Affiliation(s)
- Aruna Sharma
- International Experimental Central Nervous System Injury & Repair (IECNSIR), Department of Surgical Sciences, Anesthesiology & Intensive Care Medicine, Uppsala University Hospital, Uppsala University, Uppsala, Sweden
| | - Lianyuan Feng
- Department of Neurology, Bethune International Peace Hospital, Shijiazhuang, Hebei Province, China
| | - Dafin F Muresanu
- Department Clinical Neurosciences, University of Medicine & Pharmacy, Cluj-Napoca, Romania
- "RoNeuro" Institute for Neurological Research and Diagnostic, Cluj-Napoca, Romania
| | - Z Ryan Tian
- Department Chemistry & Biochemistry, University of Arkansas, Fayetteville, AR, USA
| | - José Vicente Lafuente
- LaNCE, Department Neuroscience, University of the Basque Country (UPV/EHU), Leioa, Bizkaia, Spain
| | - Anca D Buzoianu
- Department of Clinical Pharmacology and Toxicology, "Iuliu Hatieganu" University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Ala Nozari
- Anesthesiology & Intensive Care, Chobanian & Avedisian School of Medicine, Boston University, Boston, MA, USA
| | - Igor Bryukhovetskiy
- Department of Fundamental Medicine, School of Biomedicine, Far Eastern Federal University, Vladivostok, Russia
- Laboratory of Pharmacology, National Scientific Center of Marine Biology, Far East Branch of the Russian Academy of Sciences, Vladivostok, Russia
| | - Igor Manzhulo
- Laboratory of Pharmacology, National Scientific Center of Marine Biology, Far East Branch of the Russian Academy of Sciences, Vladivostok, Russia
| | - Lars Wiklund
- International Experimental Central Nervous System Injury & Repair (IECNSIR), Department of Surgical Sciences, Anesthesiology & Intensive Care Medicine, Uppsala University Hospital, Uppsala University, Uppsala, Sweden
| | - Hari Shanker Sharma
- International Experimental Central Nervous System Injury & Repair (IECNSIR), Department of Surgical Sciences, Anesthesiology & Intensive Care Medicine, Uppsala University Hospital, Uppsala University, Uppsala, Sweden.
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22
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Vaseghi S, Mostafavijabbari A, Alizadeh MS, Ghaffarzadegan R, Kholghi G, Zarrindast MR. Intricate role of sleep deprivation in modulating depression: focusing on BDNF, VEGF, serotonin, cortisol, and TNF-α. Metab Brain Dis 2023; 38:195-219. [PMID: 36399239 DOI: 10.1007/s11011-022-01124-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 11/06/2022] [Indexed: 11/19/2022]
Abstract
In this review article, we aimed to discuss intricate roles of SD in modulating depression in preclinical and clinical studies. Decades of research have shown the inconsistent effects of SD on depression, focusing on SD duration. However, inconsistent role of SD seems to be more complicated, and SD duration cannot be the only one factor. Regarding this issue, we chose some important factors involved in the effects of SD on cognitive functions and mood including brain-derived neurotrophic factor (BDNF), vascular endothelial growth factor (VEGF), serotonin, cortisol, and tumor necrosis factor-alpha (TNF-α). It was concluded that SD has a wide-range of inconsistent effects on BDNF, VEGF, serotonin, and cortisol levels. It was noted that BDNF diurnal rhythm is significantly involved in the modulatory role of SD in depression. Furthermore, the important role of VEGF in blood-brain barrier permeability which is involved in modulating depression was discussed. It was also noted that there is a negative correlation between cortisol and BDNF that modulates depression. Eventually, it was concluded that TNF-α regulates sleep/wake cycle and is involved in the vulnerability to cognitive and behavioral impairments following SD. TNF-α also increases the permeability of the blood-brain barrier which is accompanied by depressive behavior. In sum, it was suggested that future studies should focus on these mechanisms/factors to better investigate the reasons behind intricate roles of SD in modulating depression.
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Affiliation(s)
- Salar Vaseghi
- Medicinal Plants Research Center, Institute of Medicinal Plants, ACECR, Karaj, Iran.
| | | | - Mohammad-Sadegh Alizadeh
- Department of Cognitive Neuroscience, Institute for Cognitive Science Studies (ICSS), Tehran, Iran
- Department of Cellular and Molecular Sciences, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Reza Ghaffarzadegan
- Medicinal Plants Research Center, Institute of Medicinal Plants, ACECR, Karaj, Iran
| | - Gita Kholghi
- Department of Psychology, Faculty of Human Sciences, Tonekabon Branch, Islamic Azad University, Tonekabon, Iran
| | - Mohammad-Reza Zarrindast
- Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
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23
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Mishra I, Pullum KB, Eads KN, Strunjas AR, Ashley NT. Peripheral Sympathectomy Alters Neuroinflammatory and Microglial Responses to Sleep Fragmentation in Female Mice. Neuroscience 2022; 505:111-124. [PMID: 36240943 PMCID: PMC9671838 DOI: 10.1016/j.neuroscience.2022.09.022] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 09/05/2022] [Accepted: 09/28/2022] [Indexed: 11/06/2022]
Abstract
Sleep loss, either induced by obstructive sleep apnea or other forms of sleep dysfunction, induces an inflammatory response, as commonly measured by increased circulating levels of pro-inflammatory cytokines. Increased catecholamines from sympathetic nervous system (SNS) activation regulates this peripheral inflammation. However, the role that catecholamines play in mediating neuroinflammation from sleep perturbations is undescribed. The aims of this study were to determine (i) the effect of peripheral SNS inhibition upon neuroinflammatory responses to sleep fragmentation (SF) and (ii) whether homeostasis can be restored after 1 week of recovery sleep. We measured gene expression levels of pro- and anti-inflammatory cytokines and microglial activity in brain (prefrontal cortex, hippocampus and hypothalamus) of female mice that were subjected to acute SF for 24 hours, chronic SF for 8 weeks, or 7 days of recovery after chronic SF. In each experiment, SF and control mice were peripherally sympathectomized with 6-hydroxydopamine (6-OHDA) or injected with vehicle. SF elevated cytokine mRNA expression in brain and increased microglial density and cell area in some regions. In addition, chronic SF promoted hyper-ramification in resting microglia upon exposure to chronic, but not acute, SF. Effects of chronic SF were more pronounced than acute SF, and 1 week of recovery was not sufficient to alleviate neuroinflammation. Importantly, 6-OHDA treatment significantly alleviated SF-induced inflammation and microglial responses. This study provides evidence of SNS regulation of neural inflammation from SF, suggesting a potential role for therapeutics that could mitigate neuroinflammatory responses to sleep dysfunction.
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Affiliation(s)
- Ila Mishra
- Department of Biology, Western Kentucky University, Bowling Green, KY 42101, USA; Harrington Discovery Institute, Case Western Reserve University, Cleveland, OH 44106, USA
| | - Keelee B Pullum
- Department of Biology, Western Kentucky University, Bowling Green, KY 42101, USA; Department of Biology, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Kristen N Eads
- Department of Biology, Western Kentucky University, Bowling Green, KY 42101, USA
| | - Anna R Strunjas
- Department of Biology, Western Kentucky University, Bowling Green, KY 42101, USA
| | - Noah T Ashley
- Department of Biology, Western Kentucky University, Bowling Green, KY 42101, USA.
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24
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Ugalde-Muñiz P, Hernández-Luna MG, García-Velasco S, Lugo-Huitrón R, Murcia-Ramírez J, Martínez-Tapia RJ, Noriega-Navarro R, Navarro L. Activation of dopamine D2 receptors attenuates neuroinflammation and ameliorates the memory impairment induced by rapid eye movement sleep deprivation in a murine model. Front Neurosci 2022; 16:988167. [PMID: 36278007 PMCID: PMC9579422 DOI: 10.3389/fnins.2022.988167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 09/06/2022] [Indexed: 11/13/2022] Open
Abstract
The proinflammatory state, which may be induced by sleep deprivation, seems to be a determining factor in the development of neurodegenerative processes. Investigations of mechanisms that help to mitigate the inflammatory effects of sleep disorders are important. A new proposal involves the neurotransmitter dopamine, which may modulate the progression of the immune response by activating receptors expressed on immune cells. This study aimed to determine whether dopamine D2 receptor (D2DR) activation attenuates the proinflammatory response derived from rapid eye movement (REM) sleep deprivation in mice. REM sleep deprivation (RSD) was induced in 2-month-old male CD1 mice using the multiple platform model for three consecutive days; during this period, the D2DR receptor agonist quinpirole (QUIN) was administered (2 mg/kg/day i.p.). Proinflammatory cytokine levels were assessed in serum and homogenates of the brain cortex, hippocampus, and striatum using ELISAs. Long-term memory deficits were identified using the Morris water maze (MWM) and novel object recognition (NOR) tests. Animals were trained until learning criteria were achieved; then, they were subjected to RSD and treated with QUIN for 3 days. Memory evocation was determined afterward. Moreover, we found RSD induced anhedonia, as measured by the sucrose consumption test, which is commonly related to the dopaminergic system. Our data revealed increased levels of proinflammatory cytokines (TNFα and IL-1β) in both the hippocampus and serum from RSD mice. However, QUIN attenuated the increased levels of these cytokines. Furthermore, RSD caused a long-term memory evocation deficit in both the MWM and NOR tests. In contrast, QUIN coadministration during the RSD period significantly improved the performance of the animals. On the other hand, QUIN prevented the anhedonic condition induced by RSD. Based on our results, D2DR receptor activation protects against memory impairment induced by disturbed REM sleep by inhibiting neuroinflammation.
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Affiliation(s)
- Perla Ugalde-Muñiz
- Laboratory of Neuroendocrinology, Departamento de Fisiología, Facultad de Medicina, Universidad Nacional Autónoma de México, México City, Mexico
| | - María Guadalupe Hernández-Luna
- Laboratory of Neuroendocrinology, Departamento de Fisiología, Facultad de Medicina, Universidad Nacional Autónoma de México, México City, Mexico
| | - Stephany García-Velasco
- Laboratory of Neuroendocrinology, Departamento de Fisiología, Facultad de Medicina, Universidad Nacional Autónoma de México, México City, Mexico
| | - Rafael Lugo-Huitrón
- Laboratory of Behavioral Neurobiology, Departamento de Fisiología, Facultad de Medicina, Universidad Nacional Autónoma de México, México City, Mexico
| | - Jimena Murcia-Ramírez
- Laboratory of Neuroendocrinology, Departamento de Fisiología, Facultad de Medicina, Universidad Nacional Autónoma de México, México City, Mexico
| | - Ricardo Jesus Martínez-Tapia
- Laboratory of Neuroendocrinology, Departamento de Fisiología, Facultad de Medicina, Universidad Nacional Autónoma de México, México City, Mexico
| | - Roxana Noriega-Navarro
- Laboratory of Neuroendocrinology, Departamento de Fisiología, Facultad de Medicina, Universidad Nacional Autónoma de México, México City, Mexico
| | - Luz Navarro
- Laboratory of Neuroendocrinology, Departamento de Fisiología, Facultad de Medicina, Universidad Nacional Autónoma de México, México City, Mexico
- *Correspondence: Luz Navarro,
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25
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Dai Y, Liu S, Chen J, Liu L, Zhou C, Zuo Y. Microglial Responses and Pain Behaviors Are Exacerbated by Chronic Sleep Deprivation in Rats with Chronic Pain Via Neuroinflammatory Pathways. Neuroscience 2022; 503:83-94. [PMID: 36096338 DOI: 10.1016/j.neuroscience.2022.09.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 09/02/2022] [Accepted: 09/05/2022] [Indexed: 10/31/2022]
Abstract
The inflammatory response of central nervous system (CNS) and microglial activation is important in the development of pain behaviors induced by sleep deprivation. We found that chronic sleep deprivation (CSD) aggravated pain behaviors in rats with chronic pain by upregulating expression of Toll-like receptor 4 (TLR4), NOD-like receptor pyrin domain containing 3 (NLRP3), and interleukin 1β (IL-1β), which promoted microglial activation in the brain. We also found that CSD increased numbers of Iba1+ and TLR4+ cells, as well as neuronal apoptosis. Inhibitors of TLR4 and NLRP3 (TAK-242 and MCC950, respectively) reduced expression levels of inflammatory factor proteins and M1-related factor mRNA, decreased microglial activation, and relieved the hyperalgesia caused by CSD. These results suggest that CSD aggravated pain behavior in rats with chronic pain through the TLR4/NLRP3/IL-1β signaling pathway, which mediates microglial activation and promotes CNS inflammation and neuronal apoptosis.
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Affiliation(s)
- Yuee Dai
- Department of Anesthesiology, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu 610072, Sichuan, China; Department of Anesthesiology, West China Hospital of Sichuan University, Chengdu 610041, Sichuan, China
| | - Shaoxing Liu
- Department of Anesthesiology, Chengdu Second People's Hospital, Chengdu 610021, Sichuan, China
| | - Jie Chen
- Core Laboratory, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, Chengdu 610072, Sichuan, China
| | - Liu Liu
- Department of Anesthesiology, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu 610072, Sichuan, China
| | - Cheng Zhou
- Department of Anesthesiology, West China Hospital of Sichuan University, Chengdu 610041, Sichuan, China
| | - Yunxia Zuo
- Department of Anesthesiology, West China Hospital of Sichuan University, Chengdu 610041, Sichuan, China.
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26
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Ensminger DC, Wheeler ND, Al Makki R, Eads KN, Ashley NT. Contrasting effects of sleep fragmentation and angiotensin-II treatment upon pro-inflammatory responses of mice. Sci Rep 2022; 12:14763. [PMID: 36042284 PMCID: PMC9427781 DOI: 10.1038/s41598-022-19166-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 08/25/2022] [Indexed: 11/30/2022] Open
Abstract
Disordered sleep promotes inflammation in brain and peripheral tissues, but the mechanisms that regulate these responses are poorly understood. One hypothesis is that activation of the sympathetic nervous system (SNS) from sleep loss elevates blood pressure to promote vascular sheer stress leading to inflammation. As catecholamines produced from SNS activation can directly regulate inflammation, we pharmacologically altered blood pressure using an alternative approach-manipulation of the renin-angiotensin system (RAS). Male C57BL6/J mice were treated with angiotensin or captopril to elevate and reduce blood pressure, respectively and then exposed to 24-h of sleep fragmentation (SF) or allowed to sleep (control). Pro- and anti-inflammatory cytokine gene expression and as endothelial adhesion gene expression as well as serum glucocorticoids (corticosterone) were measured. RAS manipulation elevated cytokines and endothelial adhesion expression in heart and aorta while SF increased cytokine expression in peripheral tissues, but not brain. However, there were interactive effects of angiotensin-II and SF upon cytokine gene expression in hippocampus and hypothalamus, but not prefrontal cortex. SF, but not RAS manipulation, elevated serum corticosterone concentration. These findings highlight the contrasting effects of RAS manipulation and SF, implying that inflammation from SF is acting on different pathways that are largely independent of RAS manipulation.
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Affiliation(s)
- David C Ensminger
- Department of Biology, Western Kentucky University, Bowling Green, KY, USA. .,Department of Biological Sciences, San José State University, San Jose, CA, USA.
| | - Nicholas D Wheeler
- Department of Biology, Western Kentucky University, Bowling Green, KY, USA.,College of Veterinary Medicine, Mississippi State University, Starkville, MS, USA
| | - Reem Al Makki
- Department of Biological Sciences, San José State University, San Jose, CA, USA
| | - Kristen N Eads
- School of Physician Assistant Studies, Lipscomb University, Nashville, TN, USA
| | - Noah T Ashley
- Department of Biology, Western Kentucky University, Bowling Green, KY, USA
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27
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Castelli L, Galasso L, Mulè A, Ciorciari A, Fornasini F, Montaruli A, Roveda E, Esposito F. Sleep and spa therapies: What is the role of balneotherapy associated with exercise? A systematic review. Front Physiol 2022; 13:964232. [PMID: 36035468 PMCID: PMC9399348 DOI: 10.3389/fphys.2022.964232] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 07/11/2022] [Indexed: 12/04/2022] Open
Abstract
Balneotherapy and exercise are potential factors influencing sleep through several physiological pathways and relaxing effects. This review aims to assess whether balneotherapy can improve sleep quality in concomitance or not with exercise. The research was conducted on Medline, Scopus, PubMed, Web of Science, and Cochrane Library databases. The current review followed PRISMA reporting guidelines and involves twenty-one articles grouped into four sections based on the characteristics of the balneotherapy protocol: 1.a Balneotherapy–thermal water immersion alone (five studies); 1.b Balneotherapy–thermal water immersion with other spa treatments (six studies); 2.a Balneotherapy and physical exercise–balneotherapy and out-of-the-pool physical exercise (eight studies); 2.b Balneotherapy and physical exercise–balneotherapy and in-pool physical exercise (three studies). Apart from healthy or sub-healthy subjects, patients recruited in the studies were affected by fibromyalgia, ankylosing spondylitis, osteoarthritis, musculoskeletal pain, subacute supraspinatus tendinopathy, and mental disorders. Duration, number of sessions, and study protocols are very different from each other. Only one study objectively evaluated sleep, whereas the others used subjective sleep assessment methods. Eight studies considered sleep as a primary outcome and ten as secondary. Sixteen out of twenty-one studies described improvements in self-perceived sleep quality. Thus, balneotherapy associated with other spa treatments and physical exercise seems to be effective in improving self-perceived sleep quality. However, the miscellany of treatments makes it difficult to discern the isolated effects of balneotherapy and physical exercise. Future studies should consider using an objective sleep assessment method and describing the pathways and physiological mechanisms that could provoke sleep changes during balneotherapy treatments.
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Affiliation(s)
- Lucia Castelli
- Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
| | - Letizia Galasso
- Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
| | - Antonino Mulè
- Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
- *Correspondence: Antonino Mulè,
| | - Andrea Ciorciari
- Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
| | | | - Angela Montaruli
- Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
- IRCCS Istituto Ortopedico Galeazzi, Milan, Italy
| | - Eliana Roveda
- Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
- IRCCS Istituto Ortopedico Galeazzi, Milan, Italy
| | - Fabio Esposito
- Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
- IRCCS Istituto Ortopedico Galeazzi, Milan, Italy
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28
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Galasso L, Castelli L, Roveda E, Oliverio A, Baldassari I, Esposito F, Mulè A, Montaruli A, Patrizia P, Bruno E. Physical activity and sleep behaviour in women carrying BRCA1/2 mutations. Sci Rep 2022; 12:12873. [PMID: 35896655 PMCID: PMC9329454 DOI: 10.1038/s41598-022-16687-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 07/13/2022] [Indexed: 11/09/2022] Open
Abstract
The aim of the present study is to explore the potential association between sleep quality and physical activity (PA) in women carriers of BRCA1/2 mutations. 63 women completed the Pittsburgh Sleep Quality Index (PSQI) and Godin Shepard Leisure-Time Physical Activity Questionnaire (GSL-TPAQ) and were included in the present cross-sectional analysis. Globally, women showed a PSQI score of 7.0 ± 3.6 and a GSL-TPAQ score of 22.8 ± 18.3. Good sleepers (PSQI score ≤ 5) showed significantly higher PA levels compared to bad sleepers (PSQI score > 5). Women in the higher tertile of GSL-TPAQ total score (≥ 27 METs/week) have a prevalence ratio (PR) of being a good sleeper of 2.85 (1.25-6.52, 95% confidence intervals) compared to women in the lower tertile (≤ 11 METs/week). These results were consistent in BRCA1 and BRCA2 women. Considering each single question of PA intensity, the PR of being a good sleeper by unit of increase of MET/week was higher and significant in women engaged in strenuous and moderate intensity PA. These results suggests a direct association between PA and sleep quality in women carriers of BRCA mutations.
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Affiliation(s)
- Letizia Galasso
- Department of Biomedical Sciences for Health, University of Milan, Via G. Colombo 71, 20133, Milan, Italy
| | - Lucia Castelli
- Department of Biomedical Sciences for Health, University of Milan, Via G. Colombo 71, 20133, Milan, Italy
| | - Eliana Roveda
- Department of Biomedical Sciences for Health, University of Milan, Via G. Colombo 71, 20133, Milan, Italy.,IRCCS Istituto Ortopedico Galeazzi, Via R. Galeazzi 4, 20161, Milan, Italy
| | - Andreina Oliverio
- Department of Research, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Via G. Venezian 1, 20133, Milan, Italy
| | - Ivan Baldassari
- Department of Research, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Via G. Venezian 1, 20133, Milan, Italy
| | - Fabio Esposito
- Department of Biomedical Sciences for Health, University of Milan, Via G. Colombo 71, 20133, Milan, Italy.,IRCCS Istituto Ortopedico Galeazzi, Via R. Galeazzi 4, 20161, Milan, Italy
| | - Antonino Mulè
- Department of Biomedical Sciences for Health, University of Milan, Via G. Colombo 71, 20133, Milan, Italy
| | - Angela Montaruli
- Department of Biomedical Sciences for Health, University of Milan, Via G. Colombo 71, 20133, Milan, Italy.,IRCCS Istituto Ortopedico Galeazzi, Via R. Galeazzi 4, 20161, Milan, Italy
| | - Pasanisi Patrizia
- Department of Research, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Via G. Venezian 1, 20133, Milan, Italy.
| | - Eleonora Bruno
- Department of Research, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Via G. Venezian 1, 20133, Milan, Italy
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29
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The 5-HT and PLC Signaling Pathways Regulate the Secretion of IL-1β, TNF-α and BDNF from NG2 Cells. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:7425538. [PMID: 35600957 PMCID: PMC9122684 DOI: 10.1155/2022/7425538] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 03/24/2022] [Accepted: 03/25/2022] [Indexed: 01/26/2023]
Abstract
The present study was clarified the relationship between NG2 glial cells and 5-hydroxytryptamine (5-HT) to further revealed a role in the regulation of cortical excitability. The co-localization of NG2 cells and 5-HT in rat prefrontal cortex was determined using immunofluorescence. Different concentrations of 5-HT were applied to cultured NG2 cells. Real-time PCR measured the expression of interleukin-1β (IL-1β), tumor necrosis factor-α (TNF-α) and brain-derived neurotrophic factor (BDNF). Changes in the expression of IL-1β, TNF-α, and BDNF in NG2 cells were detected after the addition of 5-HT receptor specific blockers and phospholipase C (PLC) specific activators and inhibitors. The results confirmed that the NG2 protein and 5-HT co-localized in the prefrontal cortex. 5-HT treatment of NG2 cells significantly reduced the expression of IL-1β and BDNF mRNA and increased the expression of TNF-α. The 5-HT receptor specific inhibitors alverine citrate, ketanserin, ondansetron and SB-399885 blocked the regulatory effects of 5-HT on NG2 cells. The PLC signal was linked to the secretion of IL-1β, TNF-α and BDNF in NG2 cells. These results indicated that 5-HT affected IL-1β, TNF-α, and BDNF secretion from NG2 cells via the 5-HT1A, 5-HT2A, 5-HT3, 5-HT6 receptors and the PLC signaling pathway.
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30
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Zielinski MR, Gibbons AJ. Neuroinflammation, Sleep, and Circadian Rhythms. Front Cell Infect Microbiol 2022; 12:853096. [PMID: 35392608 PMCID: PMC8981587 DOI: 10.3389/fcimb.2022.853096] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Accepted: 02/24/2022] [Indexed: 12/14/2022] Open
Abstract
Molecules involved in innate immunity affect sleep and circadian oscillators and vice versa. Sleep-inducing inflammatory molecules are activated by increased waking activity and pathogens. Pathologies that alter inflammatory molecules, such as traumatic brain injury, cancer, cardiovascular disease, and stroke often are associated with disturbed sleep and electroencephalogram power spectra. Moreover, sleep disorders, such as insomnia and sleep disordered breathing, are associated with increased dysregulation of inflammatory processes. Inflammatory molecules in both the central nervous system and periphery can alter sleep. Inflammation can also modulate cerebral vascular hemodynamics which is associated with alterations in electroencephalogram power spectra. However, further research is needed to determine the interactions of sleep regulatory inflammatory molecules and circadian clocks. The purpose of this review is to: 1) describe the role of the inflammatory cytokines interleukin-1 beta and tumor necrosis factor-alpha and nucleotide-binding domain and leucine-rich repeat protein-3 inflammasomes in sleep regulation, 2) to discuss the relationship between the vagus nerve in translating inflammatory signals between the periphery and central nervous system to alter sleep, and 3) to present information about the relationship between cerebral vascular hemodynamics and the electroencephalogram during sleep.
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Affiliation(s)
- Mark R. Zielinski
- Veterans Affairs (VA) Boston Healthcare System, West Roxbury, MA, United States,Harvard Medical School, West Roxbury, MA, United States,*Correspondence: Mark R. Zielinski,
| | - Allison J. Gibbons
- Veterans Affairs (VA) Boston Healthcare System, West Roxbury, MA, United States
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31
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Rudge JD. A New Hypothesis for Alzheimer’s Disease: The Lipid Invasion Model. J Alzheimers Dis Rep 2022; 6:129-161. [PMID: 35530118 PMCID: PMC9028744 DOI: 10.3233/adr-210299] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Accepted: 02/05/2022] [Indexed: 02/07/2023] Open
Abstract
This paper proposes a new hypothesis for Alzheimer’s disease (AD)—the lipid invasion model. It argues that AD results from external influx of free fatty acids (FFAs) and lipid-rich lipoproteins into the brain, following disruption of the blood-brain barrier (BBB). The lipid invasion model explains how the influx of albumin-bound FFAs via a disrupted BBB induces bioenergetic changes and oxidative stress, stimulates microglia-driven neuroinflammation, and causes anterograde amnesia. It also explains how the influx of external lipoproteins, which are much larger and more lipid-rich, especially more cholesterol-rich, than those normally present in the brain, causes endosomal-lysosomal abnormalities and overproduction of the peptide amyloid-β (Aβ). This leads to the formation of amyloid plaques and neurofibrillary tangles, the most well-known hallmarks of AD. The lipid invasion model argues that a key role of the BBB is protecting the brain from external lipid access. It shows how the BBB can be damaged by excess Aβ, as well as by most other known risk factors for AD, including aging, apolipoprotein E4 (APOE4), and lifestyle factors such as hypertension, smoking, obesity, diabetes, chronic sleep deprivation, stress, and head injury. The lipid invasion model gives a new rationale for what we already know about AD, explaining its many associated risk factors and neuropathologies, including some that are less well-accounted for in other explanations of AD. It offers new insights and suggests new ways to prevent, detect, and treat this destructive disease and potentially other neurodegenerative diseases.
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Affiliation(s)
- Jonathan D’Arcy Rudge
- School of Biological Sciences, University of Reading, Reading, Berkshire, United Kingdom
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32
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Wang X, Yang Y, Xiao A, Zhang N, Miao M, Wang Z, Han J, Wen M. A comparative study of the effect of a gentle ketogenic diet containing medium-chain or long-chain triglycerides on chronic sleep deprivation-induced cognitive deficiency. Food Funct 2022; 13:2283-2294. [PMID: 35141738 DOI: 10.1039/d1fo04087a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The ketogenic diet (KD) is well known for its neuroprotective effect, but little is known about its prophylactic efficacy against chronic sleep deprivation (SD) induced cognitive deficiency. An emerging study indicated that ferroptosis plays an important role in neurologic diseases but has been rarely reported in chronic SD. Here, we investigated the prophylactic effects of a medium-chain triglyceride-enriched KD (MKD) and a long-chain triglyceride-enriched KD (LKD) on cognitive deficiency and revealed the underlying mechanism focused on ferroptosis in chronic SD model mice. The results showed that the MKD exhibited stronger effects than the LKD on improving cognitive deficiency via suppressing ferroptosis and improving synaptic plasticity. Further mechanism results indicated that MKD produced higher Sirt3 protein levels than LKD, which probably contributed to the synergistic effect of beta hydroxybutyric acid and decanoic acid. Our finds provide novel evidence for the KD as a safe and feasible dietary intervention to prevent chronic SD-induced cognitive deficiency, and suggest a better choice of medium-chain fatty acid-enriched KD.
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Affiliation(s)
- Xueyan Wang
- Institute of Biopharmaceutical Research, Liaocheng University, Liaocheng 252059, China.
| | - Yueqi Yang
- Institute of Biopharmaceutical Research, Liaocheng University, Liaocheng 252059, China.
| | - Aiai Xiao
- Institute of Biopharmaceutical Research, Liaocheng University, Liaocheng 252059, China.
| | - Ning Zhang
- Institute of Biopharmaceutical Research, Liaocheng University, Liaocheng 252059, China.
| | - Mingyong Miao
- Institute of Biopharmaceutical Research, Liaocheng University, Liaocheng 252059, China. .,Department of Biochemistry and Molecular Biology, The College of Basic Medical Sciences, The Second Military Medical University, Shanghai 200433, China
| | - Zhengping Wang
- Institute of Biopharmaceutical Research, Liaocheng University, Liaocheng 252059, China. .,Liaocheng High-Tech Biotechnology Co. Ltd, Liaocheng, 252059, China
| | - Jun Han
- Institute of Biopharmaceutical Research, Liaocheng University, Liaocheng 252059, China. .,Liaocheng High-Tech Biotechnology Co. Ltd, Liaocheng, 252059, China
| | - Min Wen
- Institute of Biopharmaceutical Research, Liaocheng University, Liaocheng 252059, China.
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Duncan M, Guerriero L, Kohler K, Beechem L, Gillis B, Salisbury F, Wessel C, Wang J, Sunderam S, Bachstetter A, O’Hara B, Murphy M. Chronic Fragmentation of the Daily Sleep-Wake Rhythm Increases Amyloid-beta Levels and Neuroinflammation in the 3xTg-AD Mouse Model of Alzheimer's Disease. Neuroscience 2022; 481:111-122. [PMID: 34856352 PMCID: PMC8941625 DOI: 10.1016/j.neuroscience.2021.11.042] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 11/23/2021] [Accepted: 11/25/2021] [Indexed: 01/17/2023]
Abstract
Fragmentation of the daily sleep-wake rhythm with increased nighttime awakenings and more daytime naps is correlated with the risk of development of Alzheimer's disease (AD). To explore whether a causal relationship underlies this correlation, the present study tested the hypothesis that chronic fragmentation of the daily sleep-wake rhythm stimulates brain amyloid-beta (Aβ) levels and neuroinflammation in the 3xTg-AD mouse model of AD. Female 3xTg-AD mice were allowed to sleep undisturbed or were subjected to chronic sleep fragmentation consisting of four daily sessions of enforced wakefulness (one hour each) evenly distributed during the light phase, five days a week for four weeks. Piezoelectric sleep recording revealed that sleep fragmentation altered the daily sleep-wake rhythm to resemble the pattern observed in AD. Levels of amyloid-beta (Aβ40 and Aβ42) determined by ELISA were higher in hippocampal tissue collected from sleep-fragmented mice than from undisturbed controls. In contrast, hippocampal levels of tau and phospho-tau differed minimally between sleep fragmented and undisturbed control mice. Sleep fragmentation also stimulated neuroinflammation as shown by increased expression of markers of microglial activation and proinflammatory cytokines measured by q-RT-PCR analysis of hippocampal samples. No significant effects of sleep fragmentation on Aβ, tau, or neuroinflammation were observed in the cerebral cortex. These studies support the concept that improving sleep consolidation in individuals at risk for AD may be beneficial for slowing the onset or progression of this devastating neurodegenerative disease.
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Affiliation(s)
- M.J. Duncan
- Dept. of Neuroscience, University of Kentucky College of Medicine, Lexington, KY 40536,Co-senior authors, address correspondence to M.J. Duncan at
| | - L.E. Guerriero
- Dept. of Biology, University of Kentucky, Lexington, KY 40506
| | - K. Kohler
- Dept. of Molecular and Cellular Biochemistry, University of Kentucky College of Medicine, Lexington, KY 40536,Sanders-Brown Center on Aging and Alzheimer’s Disease Center, University of Kentucky College of Medicine, Lexington, KY 40536
| | - L.E. Beechem
- Dept. of Neuroscience, University of Kentucky College of Medicine, Lexington, KY 40536
| | - B.D. Gillis
- Dept. of Molecular and Cellular Biochemistry, University of Kentucky College of Medicine, Lexington, KY 40536
| | - F. Salisbury
- Dept. of Biology, University of Kentucky, Lexington, KY 40506
| | - C. Wessel
- Sanders-Brown Center on Aging and Alzheimer’s Disease Center, University of Kentucky College of Medicine, Lexington, KY 40536
| | - J. Wang
- Dept. of Biomedical Engineering, University of Kentucky, Lexington, KY 40506
| | - S. Sunderam
- Dept. of Biomedical Engineering, University of Kentucky, Lexington, KY 40506
| | - A.D. Bachstetter
- Dept. of Neuroscience, University of Kentucky College of Medicine, Lexington, KY 40536,Sanders-Brown Center on Aging and Alzheimer’s Disease Center, University of Kentucky College of Medicine, Lexington, KY 40536,Spinal Cord and Brain Injury Research Center, University of Kentucky, Lexington, KY 40536
| | - B.F. O’Hara
- Dept. of Biology, University of Kentucky, Lexington, KY 40506
| | - M.P. Murphy
- Dept. of Molecular and Cellular Biochemistry, University of Kentucky College of Medicine, Lexington, KY 40536,Sanders-Brown Center on Aging and Alzheimer’s Disease Center, University of Kentucky College of Medicine, Lexington, KY 40536,Co-senior authors, address correspondence to M.J. Duncan at
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Chhajer R, Shukla SD. Sleep Quality of Covid-19 Recovered Patients in India. Neurosci Insights 2022; 17:26331055221109174. [PMID: 35770183 PMCID: PMC9235310 DOI: 10.1177/26331055221109174] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Accepted: 05/11/2022] [Indexed: 11/16/2022] Open
Abstract
Objective: The second wave of the Covid-19 pandemic in India was widespread and caused
psychological distress among the citizens. Hospitals were running at a
premium, increasing deaths and trepidation stories were on air by media,
this generated sleep disturbances for many. This study aimed to examine the
sleep quality of Covid-19 recovered patients in India during the second wave
of the pandemic. Methods: Patients who had recently recovered from Covid-19 were invited to participate
in this cross-sectional study using various social media platforms. An
online survey questionnaire, including socio-demographics, health-related
information, Covid-19 related information, and the Pittsburgh Sleep Quality
Index (PSQI), was administered in June 2021. Descriptive statistics were
used to compare the scores among the mild, moderate, and severe groups.
ANOVA was used to find the difference between the groups for global PSQI
scores. Results: A total of 311 participants (261 mild, 45 moderate, and 5 severe) provided
usable responses. The Global PSQI score for the overall study sample was
8.22 ± 3.79. In the severe group, scores were higher 16.8 ± 2.59, and
statistically significant from mild or moderate groups. Sleep quality of
Covid-19 recovered patients was found to be statistically significantly
different based on their gender (P < .001), annual
income (P < .001), employment status
(P < .001), and marital status
(P < .001). Conclusion: Females, employment in the private sector, annual income below rupees 11
lakh, and unmarried Covid-19 recovered patients reported poor sleep quality.
As our findings indicate poor sleep quality among the Covid-19 recovered
patients during the second wave in India, designing psychological
interventions is recommended to support their wellbeing post-recovery.
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Affiliation(s)
- Raina Chhajer
- Humanities and Social Science Area, Indian Institute of Management Indore, Madhya Pradesh, India
| | - Sunil Dutt Shukla
- Department of Zoology, Government Meera Girls College, Udaipur, Rajasthan, India
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[Individuals with sub-health status have obviously unbalanced structure of the intestinal flora: analysis of 150 nursing staff members]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2021; 41:1870-1876. [PMID: 35012921 PMCID: PMC8752424 DOI: 10.12122/j.issn.1673-4254.2021.12.17] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
OBJECTIVE To explore the difference in intestinal flora composition between individuals with sub-health status and healthy subjects. METHODS From November, 2020 to May, 2021, a total of 150 nursing staff members in Nanfang Hospital were selected for this study, including 75 participants with sub-health status (SHS group) and 75 healthy participants (control group). Fecal samples were collected from all the participants for analysis of the diversity and species composition of the intestinal flora using high-throughput sequencing for V3-V4 region of 16S rRNA gene. RESULTS The results of α diversity analysis showed no significant difference in Chao1 index between the two groups (P=0.619), but the Shannon index was significantly higher in SHS group than in the control group (P < 0.001). The results of β diversity analysis showed significant differences in the community structure between the SHS group and the control group (R=0.227, P=0.001). At the phylum level, the intestinal flora in the two groups were composed mainly of Bacteroidota, Firmicutes and Actinobacteriata, and of Prevotella, Bacteroides, Blautia and Faecalibacterium at the genus level. Species difference analysis identified significant differences in the relative abundance between the two groups in 4 phyla, 3 classes, 3 orders, 3 families and 3 genera (P < 0.05). CONCLUSION Compared with healthy subjects, the individuals with sub-health status have obviously unbalanced structure of the intestinal flora.
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Bonilla-Jaime H, Zeleke H, Rojas A, Espinosa-Garcia C. Sleep Disruption Worsens Seizures: Neuroinflammation as a Potential Mechanistic Link. Int J Mol Sci 2021; 22:12531. [PMID: 34830412 PMCID: PMC8617844 DOI: 10.3390/ijms222212531] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Revised: 11/16/2021] [Accepted: 11/18/2021] [Indexed: 12/13/2022] Open
Abstract
Sleep disturbances, such as insomnia, obstructive sleep apnea, and daytime sleepiness, are common in people diagnosed with epilepsy. These disturbances can be attributed to nocturnal seizures, psychosocial factors, and/or the use of anti-epileptic drugs with sleep-modifying side effects. Epilepsy patients with poor sleep quality have intensified seizure frequency and disease progression compared to their well-rested counterparts. A better understanding of the complex relationship between sleep and epilepsy is needed, since approximately 20% of seizures and more than 90% of sudden unexpected deaths in epilepsy occur during sleep. Emerging studies suggest that neuroinflammation, (e.g., the CNS immune response characterized by the change in expression of inflammatory mediators and glial activation) may be a potential link between sleep deprivation and seizures. Here, we review the mechanisms by which sleep deprivation induces neuroinflammation and propose that neuroinflammation synergizes with seizure activity to worsen neurodegeneration in the epileptic brain. Additionally, we highlight the relevance of sleep interventions, often overlooked by physicians, to manage seizures, prevent epilepsy-related mortality, and improve quality of life.
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Affiliation(s)
- Herlinda Bonilla-Jaime
- Departamento de Biología de la Reproducción, Área de Biología Conductual y Reproductiva, Universidad Autónoma Metropolitana-Iztapalapa, Ciudad de Mexico CP 09340, Mexico;
| | - Helena Zeleke
- Neuroscience and Behavioral Biology Program, College of Arts and Sciences, Emory University, Atlanta, GA 30322, USA;
| | - Asheebo Rojas
- Department of Pharmacology and Chemical Biology, School of Medicine, Emory University, Atlanta, GA 30322, USA
| | - Claudia Espinosa-Garcia
- Department of Pharmacology and Chemical Biology, School of Medicine, Emory University, Atlanta, GA 30322, USA
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Brain-Derived Neurotrophic Factor and Psychophysiological Response in Youth Badminton Athletes During the Season. Int J Sports Physiol Perform 2021; 17:296-306. [PMID: 34653961 DOI: 10.1123/ijspp.2020-0911] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 05/24/2021] [Accepted: 06/07/2021] [Indexed: 11/18/2022]
Abstract
PURPOSE To analyze peripheral brain-derived neurotrophic factor (BDNF) levels and psychophysiological parameters in youth badminton athletes during the season and to determine the relationship between variables. METHODS Fourteen young badminton athletes were assessed over the season (preseason, middle season, and final season). Serum BDNF (sBDNF) was determined during the preseason and final season. Sleep time, total physical activity, and time in vigorous activity were measured using an accelerometer. The fat-free mass, skeletal muscle mass, fat mass, handgrip strength, cardiorespiratory fitness (VO2max), and dietary intake were evaluated during the season. The Stroop Color and Word Test was employed to assess cognitive tasks. To evaluate the mood, the Brunel Mood Scale was used. RESULTS There were lower sBDNF levels (-16.3% [46.8%]; P = .007) and sleep time (final season = 5.7 [1.1] vs preseason = 6.6 [1.1] h·night-1, P = .043) during the end of the season. The total calories and carbohydrate intake decreased across the season (P < .05). Conversely, better cognitive function was found in the final season with respect to the preseason (P < .05). There were significant correlations between BDNF and VO2max only in the preseason (r = .61, P = .027), but no significant relationship was found among sBDNF and cognitive performance, sleep time, and percentage of won games. CONCLUSIONS Youth badminton athletes decreased their sBDNF levels, sleep time, carbohydrate, and calorie intake across the season. The athletes improved in cognitive function; however, only the females improved in body composition, and the males improved their VO2max in the middle season. The sBDNF levels were positively correlated with the VO2max in the preseason, and no correlations were observed among the sBDNF and psychological parameters, sleep time, and sport performance during the season.
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García-Aviles JE, Méndez-Hernández R, Guzmán-Ruiz MA, Cruz M, Guerrero-Vargas NN, Velázquez-Moctezuma J, Hurtado-Alvarado G. Metabolic Disturbances Induced by Sleep Restriction as Potential Triggers for Alzheimer's Disease. Front Integr Neurosci 2021; 15:722523. [PMID: 34539357 PMCID: PMC8447653 DOI: 10.3389/fnint.2021.722523] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 07/26/2021] [Indexed: 01/15/2023] Open
Abstract
Sleep has a major role in learning, memory consolidation, and metabolic function. Although it is known that sleep restriction increases the accumulation of amyloid β peptide (Aβ) and the risk to develop Alzheimer's disease (AD), the mechanism behind these effects remains unknown. In this review, we discuss how chronic sleep restriction induces metabolic and cognitive impairments that could result in the development of AD in late life. Here, we integrate evidence regarding mechanisms whereby metabolic signaling becomes disturbed after short or chronic sleep restriction in the context of cognitive impairment, particularly in the accumulation of Aβ in the brain. We also discuss the role of the blood-brain barrier in sleep restriction with an emphasis on the transport of metabolic signals into the brain and Aβ clearance. This review presents the unexplored possibility that the alteration of peripheral metabolic signals induced by sleep restriction, especially insulin resistance, is responsible for cognitive deficit and, subsequently, implicated in AD development.
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Affiliation(s)
- Jesús Enrique García-Aviles
- Area of Neurosciences, Biology of Reproduction Department, Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana, Unidad Iztapalapa, Mexico City, Mexico.,Posgrado en Biología Experimental, Universidad Autónoma Metropolitana, Unidad Iztapalapa, Mexico City, Mexico
| | - Rebeca Méndez-Hernández
- Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad Universitaria, Mexico City, Mexico
| | - Mara A Guzmán-Ruiz
- Departamento de Fisiología, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Miguel Cruz
- Instituto Mexicano del Seguro Social, Centro Médico Nacional Siglo XXI, Hospital de Especialidades, Unidad de Investigación Médica en Bioquímica, Mexico City, Mexico
| | - Natalí N Guerrero-Vargas
- Departamento de Anatomía, Facultad de Medicina, Universidad Nacional Autónoma de México, México City, Mexico
| | - Javier Velázquez-Moctezuma
- Area of Neurosciences, Biology of Reproduction Department, Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana, Unidad Iztapalapa, Mexico City, Mexico
| | - Gabriela Hurtado-Alvarado
- Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad Universitaria, Mexico City, Mexico
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The role of clock genes in sleep, stress and memory. Biochem Pharmacol 2021; 191:114493. [DOI: 10.1016/j.bcp.2021.114493] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 02/22/2021] [Accepted: 02/23/2021] [Indexed: 12/23/2022]
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40
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Tea polyphenols protect learning and memory in sleep-deprived mice by promoting AMPA receptor internalization. Neuroreport 2021; 31:857-864. [PMID: 32453025 PMCID: PMC7368842 DOI: 10.1097/wnr.0000000000001462] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Chronic sleep loss caused lots of health problems, also including cognition impairment. Tea is one of the most popular drinks when people stay up late. Nevertheless, the effects of tea on sleep deprivation-induced cognition impairment are still unclear. In the present study, we found 24-h sleep deprivation (S-DEP) increased membrane α-amino-3-hydroxy-5-methyl-4-isoxa-zolep-propionate (AMPA) receptor level through a tumor necrosis factor α (TNFα)-dependent pathway in hippocampi. Blocking elevated TNFα level can protect S-DEP mice from impaired learning ability according to behavioral test. Tea polyphenols, major active compounds in green tea, suppressed TNFα production through downregulating TNFα converting enzyme (TACE) level. Meanwhile, tea polyphenols treatment could ameliorate recognition impairment and anxiety-like behaviors in S-DEP mice. The aforementioned results demonstrate cognition protective effects of tea polyphenols in S-DEP mice model, which provide a theoretical basis for the treatments of S-DEP-induced cognition impairment by targeting the TACE/TNFα/AMPA pathway.
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Semyachkina-Glushkovskaya O, Mamedova A, Vinnik V, Klimova M, Saranceva E, Ageev V, Yu T, Zhu D, Penzel T, Kurths J. Brain Mechanisms of COVID-19-Sleep Disorders. Int J Mol Sci 2021; 22:6917. [PMID: 34203143 PMCID: PMC8268116 DOI: 10.3390/ijms22136917] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 06/15/2021] [Accepted: 06/17/2021] [Indexed: 02/06/2023] Open
Abstract
2020 and 2021 have been unprecedented years due to the rapid spread of the modified severe acute respiratory syndrome coronavirus around the world. The coronavirus disease 2019 (COVID-19) causes atypical infiltrated pneumonia with many neurological symptoms, and major sleep changes. The exposure of people to stress, such as social confinement and changes in daily routines, is accompanied by various sleep disturbances, known as 'coronasomnia' phenomenon. Sleep disorders induce neuroinflammation, which promotes the blood-brain barrier (BBB) disruption and entry of antigens and inflammatory factors into the brain. Here, we review findings and trends in sleep research in 2020-2021, demonstrating how COVID-19 and sleep disorders can induce BBB leakage via neuroinflammation, which might contribute to the 'coronasomnia' phenomenon. The new studies suggest that the control of sleep hygiene and quality should be incorporated into the rehabilitation of COVID-19 patients. We also discuss perspective strategies for the prevention of COVID-19-related BBB disorders. We demonstrate that sleep might be a novel biomarker of BBB leakage, and the analysis of sleep EEG patterns can be a breakthrough non-invasive technology for diagnosis of the COVID-19-caused BBB disruption.
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Affiliation(s)
- Oxana Semyachkina-Glushkovskaya
- Institute of Physics, Humboldt University, Newtonstrasse 15, 12489 Berlin, Germany;
- Department of Biology, Saratov State University, Atrakhanskaya Str. 83, 410012 Saratov, Russia; (A.M.); (V.V.); (M.K.); (E.S.); (V.A.)
| | - Aysel Mamedova
- Department of Biology, Saratov State University, Atrakhanskaya Str. 83, 410012 Saratov, Russia; (A.M.); (V.V.); (M.K.); (E.S.); (V.A.)
| | - Valeria Vinnik
- Department of Biology, Saratov State University, Atrakhanskaya Str. 83, 410012 Saratov, Russia; (A.M.); (V.V.); (M.K.); (E.S.); (V.A.)
| | - Maria Klimova
- Department of Biology, Saratov State University, Atrakhanskaya Str. 83, 410012 Saratov, Russia; (A.M.); (V.V.); (M.K.); (E.S.); (V.A.)
| | - Elena Saranceva
- Department of Biology, Saratov State University, Atrakhanskaya Str. 83, 410012 Saratov, Russia; (A.M.); (V.V.); (M.K.); (E.S.); (V.A.)
| | - Vasily Ageev
- Department of Biology, Saratov State University, Atrakhanskaya Str. 83, 410012 Saratov, Russia; (A.M.); (V.V.); (M.K.); (E.S.); (V.A.)
| | - Tingting Yu
- Wuhan National Laboratory for Optoelectronics, Britton Chance Center for Biomedical Photonics, Huazhong University of Science and Technology, Wuhan 430074, China; (T.Y.); (D.Z.)
- MoE Key Laboratory for Biomedical Photonics, Collaborative Innovation Center for Biomedical Engineering, School of Engineering Sciences, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Dan Zhu
- Wuhan National Laboratory for Optoelectronics, Britton Chance Center for Biomedical Photonics, Huazhong University of Science and Technology, Wuhan 430074, China; (T.Y.); (D.Z.)
- MoE Key Laboratory for Biomedical Photonics, Collaborative Innovation Center for Biomedical Engineering, School of Engineering Sciences, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Thomas Penzel
- Department of Biology, Saratov State University, Atrakhanskaya Str. 83, 410012 Saratov, Russia; (A.M.); (V.V.); (M.K.); (E.S.); (V.A.)
- Sleep Medicine Center, Charité-Universitätsmedizin Berlin, Charitéplatz 1, 10117 Berlin, Germany
| | - Jürgen Kurths
- Institute of Physics, Humboldt University, Newtonstrasse 15, 12489 Berlin, Germany;
- Department of Biology, Saratov State University, Atrakhanskaya Str. 83, 410012 Saratov, Russia; (A.M.); (V.V.); (M.K.); (E.S.); (V.A.)
- Potsdam Institute for Climate Impact Research, Telegrafenberg A31, 14473 Potsdam, Germany
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Cellular Effects of Rhynchophylline and Relevance to Sleep Regulation. Clocks Sleep 2021; 3:312-341. [PMID: 34207633 PMCID: PMC8293156 DOI: 10.3390/clockssleep3020020] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 05/25/2021] [Accepted: 06/03/2021] [Indexed: 01/06/2023] Open
Abstract
Uncaria rhynchophylla is a plant highly used in the traditional Chinese and Japanese medicines. It has numerous health benefits, which are often attributed to its alkaloid components. Recent studies in humans show that drugs containing Uncaria ameliorate sleep quality and increase sleep time, both in physiological and pathological conditions. Rhynchophylline (Rhy) is one of the principal alkaloids in Uncaria species. Although treatment with Rhy alone has not been tested in humans, observations in rodents show that Rhy increases sleep time. However, the mechanisms by which Rhy could modulate sleep have not been comprehensively described. In this review, we are highlighting cellular pathways that are shown to be targeted by Rhy and which are also known for their implications in the regulation of wakefulness and sleep. We conclude that Rhy can impact sleep through mechanisms involving ion channels, N-methyl-d-aspartate (NMDA) receptors, tyrosine kinase receptors, extracellular signal-regulated kinases (ERK)/mitogen-activated protein kinases (MAPK), phosphoinositide 3-kinase (PI3K)/RAC serine/threonine-protein kinase (AKT), and nuclear factor-kappa B (NF-κB) pathways. In modulating multiple cellular responses, Rhy impacts neuronal communication in a way that could have substantial effects on sleep phenotypes. Thus, understanding the mechanisms of action of Rhy will have implications for sleep pharmacology.
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43
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Kostin A, Alam MA, McGinty D, Alam MN. Adult hypothalamic neurogenesis and sleep-wake dysfunction in aging. Sleep 2021; 44:5986548. [PMID: 33202015 DOI: 10.1093/sleep/zsaa173] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 07/22/2020] [Indexed: 12/21/2022] Open
Abstract
In the mammalian brain, adult neurogenesis has been extensively studied in the hippocampal sub-granular zone and the sub-ventricular zone of the anterolateral ventricles. However, growing evidence suggests that new cells are not only "born" constitutively in the adult hypothalamus, but many of these cells also differentiate into neurons and glia and serve specific functions. The preoptic-hypothalamic area plays a central role in the regulation of many critical functions, including sleep-wakefulness and circadian rhythms. While a role for adult hippocampal neurogenesis in regulating hippocampus-dependent functions, including cognition, has been extensively studied, adult hypothalamic neurogenic process and its contributions to various hypothalamic functions, including sleep-wake regulation are just beginning to unravel. This review is aimed at providing the current understanding of the hypothalamic adult neurogenic processes and the extent to which it affects hypothalamic functions, including sleep-wake regulation. We propose that hypothalamic neurogenic processes are vital for maintaining the proper functioning of the hypothalamic sleep-wake and circadian systems in the face of regulatory challenges. Sleep-wake disturbance is a frequent and challenging problem of aging and age-related neurodegenerative diseases. Aging is also associated with a decline in the neurogenic process. We discuss a hypothesis that a decrease in the hypothalamic neurogenic process underlies the aging of its sleep-wake and circadian systems and associated sleep-wake disturbance. We further discuss whether neuro-regenerative approaches, including pharmacological and non-pharmacological stimulation of endogenous neural stem and progenitor cells in hypothalamic neurogenic niches, can be used for mitigating sleep-wake and other hypothalamic dysfunctions in aging.
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Affiliation(s)
- Andrey Kostin
- Research Service (151A3), Veterans Affairs Greater Los Angeles Healthcare System, Sepulveda, CA
| | - Md Aftab Alam
- Research Service (151A3), Veterans Affairs Greater Los Angeles Healthcare System, Sepulveda, CA.,Department of Psychiatry, University of California, Los Angeles, CA
| | - Dennis McGinty
- Research Service (151A3), Veterans Affairs Greater Los Angeles Healthcare System, Sepulveda, CA.,Department of Psychology, University of California, Los Angeles, CA
| | - Md Noor Alam
- Research Service (151A3), Veterans Affairs Greater Los Angeles Healthcare System, Sepulveda, CA.,Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, CA
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44
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Hall S, Deurveilher S, Robertson GS, Semba K. Homeostatic state of microglia in a rat model of chronic sleep restriction. Sleep 2021; 43:5849344. [PMID: 32474610 DOI: 10.1093/sleep/zsaa108] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2020] [Revised: 05/13/2020] [Indexed: 12/29/2022] Open
Abstract
Chronic sleep restriction (CSR) negatively impacts brain functions. Whether microglia, the brain's resident immune cells, play any role is unknown. We studied microglia responses to CSR using a rat model featuring slowly rotating wheels (3 h on/1 h off), which was previously shown to induce both homeostatic and adaptive responses in sleep and attention. Adult male rats were sleep restricted for 27 or 99 h. Control rats were housed in locked wheels. After 27 and/or 99 h of CSR, the number of cells immunoreactive for the microglia marker ionized calcium-binding adaptor molecule-1 (Iba1) and the density of Iba1 immunoreactivity were increased in 4/10 brain regions involved in sleep/wake regulation and cognition, including the prelimbic cortex, central amygdala, perifornical lateral hypothalamic area, and dorsal raphe nucleus. CSR neither induced mitosis in microglia (assessed with bromodeoxyuridine) nor impaired blood-brain barrier permeability (assessed with Evans Blue). Microglia appeared ramified in all treatment groups and, when examined quantitatively in the prelimbic cortex, their morphology was not affected by CSR. After 27 h, but not 99 h, of CSR, mRNA levels of the anti-inflammatory cytokine interleukin-10 were increased in the frontal cortex. Pro-inflammatory cytokine mRNA levels (tumor necrosis factor-α, interleukin-1β, and interleukin-6) were unchanged. Furthermore, cortical microglia were not immunoreactive for several pro- and anti-inflammatory markers tested, but were immunoreactive for the purinergic P2Y12 receptor. These results suggest that microglia respond to CSR while remaining in a physiological state and may contribute to the previously reported homeostatic and adaptive responses to CSR.
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Affiliation(s)
- Shannon Hall
- Department of Medical Neuroscience, Dalhousie University, Halifax, NS, Canada
| | - Samüel Deurveilher
- Department of Medical Neuroscience, Dalhousie University, Halifax, NS, Canada
| | - George S Robertson
- Department of Pharmacology, Dalhousie University, Halifax, NS, Canada.,Department of Psychiatry, Dalhousie University, Halifax, NS, Canada
| | - Kazue Semba
- Department of Medical Neuroscience, Dalhousie University, Halifax, NS, Canada.,Department of Psychiatry, Dalhousie University, Halifax, NS, Canada.,Department of Psychology & Neuroscience, Dalhousie University, Halifax, NS, Canada
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45
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Galle S, Licher S, Milders M, Deijen JB, Scherder E, Drent M, Ikram A, van Duijn CM. Plasma Brain-Derived Neurotropic Factor Levels Are Associated with Aging and Smoking But Not with Future Dementia in the Rotterdam Study. J Alzheimers Dis 2021; 80:1139-1149. [PMID: 33646145 PMCID: PMC8150496 DOI: 10.3233/jad-200371] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Background: Brain-derived neurotropic factor (BDNF) plays a vital role in neuronal survival and plasticity and facilitates long-term potentiation, essential for memory. Alterations in BDNF signaling have been associated with cognitive impairment, dementia, and Alzheimer’s disease. Although peripheral BDNF levels are reduced in dementia patients, it is unclear whether changes in BDNF levels precede or follow dementia onset. Objective: In the present study, we examined the association between BDNF plasma levels and dementia risk over a follow-up period of up to 16 years. Methods: Plasma BDNF levels were assessed in 758 participants of the Rotterdam Study. Dementia was assessed from baseline (1997–1999) to follow-up until January 2016. Associations of plasma BDNF and incident dementia were assessed with Cox proportional hazards models, adjusted for age and sex. Associations between plasma BDNF and lifestyle and metabolic factors are investigated using linear regression. Results: During a follow up of 3,286 person-years, 131 participants developed dementia, of whom 104 had Alzheimer’s disease. We did not find an association between plasma BDNF and risk of dementia (adjusted hazard ratio 0.99; 95%CI 0.84–1.16). BDNF levels were positively associated with age (B = 0.003, SD = 0.001, p = 0.002), smoking (B = 0.08, SE = 0.01, p = < 0.001), and female sex (B = 0.03, SE = 0.01, p = 0.03), but not with physical activity level (B = –0.01, SE = 0.01, p = 0.06). Conclusion: The findings suggest that peripheral BDNF levels are not associated with an increased risk of dementia.
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Affiliation(s)
- Sara Galle
- Department of Clinical, Neuro- and Developmental Psychology, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands.,Department of Epidemiology, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Silvan Licher
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Maarten Milders
- Department of Clinical, Neuro- and Developmental Psychology, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Jan Berend Deijen
- Department of Clinical, Neuro- and Developmental Psychology, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands.,Hersencentrum Mental Health Institute, Amsterdam, The Netherlands
| | - Erik Scherder
- Department of Clinical, Neuro- and Developmental Psychology, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Madeleine Drent
- Department of Clinical, Neuro- and Developmental Psychology, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands.,Department of Internal Medicine, Endocrinology Section, Amsterdam University Medical Center, Amsterdam, The Netherlands
| | - Arfan Ikram
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Cornelia M van Duijn
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, The Netherlands.,Nuffield Department of Population Health, University of Oxford, Oxford, United Kingdom.,Big Data Institute, Li Ka Shing Centre for Health Information and Discovery, Oxford, United Kingdom
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46
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Masyutina AA, Gumenyuk LN, Fatovenko Y, Sorokina LE, Bayramova SS, Alekseenko AI, Shavrov Y, Romanova AA, Seydametova DI. Changes in gut microbiota composition and their associations with cortisol, melatonin and interleukin 6 in patients with chronic insomnia. BULLETIN OF RUSSIAN STATE MEDICAL UNIVERSITY 2021. [DOI: 10.24075/brsmu.2021.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The relationship between the gut microbiota and chronic insomnia remains understudied. The aim of this paper was to investigate changes in the taxonomic composition of the gut microbiota and their associations with the levels of cortisol, melatonin and IL6 in patients with chronic insomnia. Our comparative prospective cross-sectional study enrolled 55 patients with chronic insomnia, who formed the main group (female patients: 58.2%, male patients: 41.8%; mean age 31.6 ± 7.4 years), and 50 healthy volunteers, who comprised the control group (females: 68.0%, males: 32.0%; mean age 33.2 ± 6.6 years). The taxonomic composition of the gut microbiota was profiled using 16S rRNA gene sequencing. Plasma cortisol and IL 6 and urine melatonin were measured by means of ELISA. Sleep quality was evaluated using the Pittsburgh Sleep Quality Index (PSQI). In patients with chronic insomnia, the abundance of Faecalibacterium (p = 0.048), Prevotella 9 (p < 0.001) and Lachnospira (p = 0.036) was lower, whereas the abundance of Blautia (p = 0.012) and Eubacteriumhallii (p = 0.003) was higher than in healthy volunteers. Significant correlations were established between the levels of IL6 and the abundance of Faecalibacterium (r = –0.44; p = 0.001) and Blautia (r = 0.42; p < 0.001), as well as between cortisol concentrations and the abundance of Lachnospira (r = –0.41; p = 0.048). The abundance of Faecalibacterium and Blautiaс was correlated with higher PSQI (r = –0.47, p = 0.001; r = 0.45, p < 0.001, respectively). Our study contributed to the pool of data about changes in the gut microbiota and their associations with some endocrine and inflammation markers in patients with chronic insomnia. These data can be exploited to propose new strategies for the diagnosis and personalized treatment of insomnia aimed at normalizing the patient’s gut microbiota.
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Affiliation(s)
- AA Masyutina
- V.I. Vernadsky Crimean Federal University, Simferopol, Russia
| | - LN Gumenyuk
- V.I. Vernadsky Crimean Federal University, Simferopol, Russia
| | - YuV Fatovenko
- V.I. Vernadsky Crimean Federal University, Simferopol, Russia
| | - LE Sorokina
- V.I. Vernadsky Crimean Federal University, Simferopol, Russia
| | - SS Bayramova
- V.I. Vernadsky Crimean Federal University, Simferopol, Russia
| | - AI Alekseenko
- V.I. Vernadsky Crimean Federal University, Simferopol, Russia
| | - YuV Shavrov
- V.I. Vernadsky Crimean Federal University, Simferopol, Russia
| | - AA Romanova
- V.I. Vernadsky Crimean Federal University, Simferopol, Russia
| | - DI Seydametova
- V.I. Vernadsky Crimean Federal University, Simferopol, Russia
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47
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Bahgat KA, Elhady M, Alkholy TAE, Elgaber FMA, Shipl W, Gobarah AA. Brain-derived neurotrophic factor in relation to central obesity in children with sleep disordered breathing. Arch Med Sci 2021; 17:1332-1339. [PMID: 34522263 PMCID: PMC8425255 DOI: 10.5114/aoms.2019.86895] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2018] [Accepted: 08/21/2018] [Indexed: 11/17/2022] Open
Abstract
INTRODUCTION Sleep disordered breathing (SDB) represents common comorbidities of childhood obesity leading to interrupted sleep and sleep deprivation. Sleep deprivation alters secretion of brain-derived neurotrophic factor (BDNF), which is an appetite regulator. However, little is known about the relation between BDNF and central obesity in children with SDB. The aim of the study was to evaluate BDNF level and anthropometric indices in relation to SDB in children with obesity. MATERIAL AND METHODS A prospective case-control study was conducted on 30 children with obesity (BMI > 95th percentile) and 30 healthy lean children (BMI 5th-85th percentile). Polysomnographic, anthropometric data and BDNF serum level were obtained from all included children. Serum level of BDNF and anthropometric indices of obesity were assessed in relation to SDB in children with obesity. Regression analysis was done to determine predictors for SDB in children with obesity. RESULTS In comparison to healthy controls, anthropometric indices of central obesity were significantly higher while BDNF was significantly lower in obese children, especially those with SDB. Respiratory disturbance index has a significant positive correlation with anthropometric indices of central obesity and a significant negative correlation with BDNF level. Central obesity and decreased BDNF were associated with 2-fold increased risk for SDB. Waist circumference/height ratio and neck circumference/height ratio have 89.5%, 75% sensitivity and 81.23%, 84.62% specificity at a cutoff point > 0.62, > 0.24 respectively for prediction of SDB in children with obesity. CONCLUSIONS Central obesity and decreased BDNF represent independent predictors for SDB in children with obesity. Anthropometric indices adjusted to height are a simple screening tool for SDB in obese children.
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Affiliation(s)
| | - Marwa Elhady
- Department of Pediatrics, Faculty of Medicine, Al-Azhar University, Cairo, Egypt
| | | | | | - Walaa Shipl
- Department of Biochemistry, Faculty of Medicine, Al-Azhar University, Cairo, Egypt
| | - Ayman A. Gobarah
- Department of Pediatrics, Faculty of Medicine, Suez Canal, Egypt
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48
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Wang X, Hua D, Tang X, Li S, Sun R, Xie Z, Zhou Z, Zhao Y, Wang J, Li S, Luo A. The Role of Perioperative Sleep Disturbance in Postoperative Neurocognitive Disorders. Nat Sci Sleep 2021; 13:1395-1410. [PMID: 34393534 PMCID: PMC8354730 DOI: 10.2147/nss.s320745] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 07/21/2021] [Indexed: 12/19/2022] Open
Abstract
Postoperative neurocognitive disorder (PND) increases the length of hospital stay, mortality, and risk of long-term cognitive impairment. Perioperative sleep disturbance is prevalent and commonly ignored and may increase the risk of PND. However, the role of perioperative sleep disturbances in PND remains unclear. Nocturnal sleep plays an indispensable role in learning, memory, and maintenance of cerebral microenvironmental homeostasis. Hospitalized sleep disturbances also increase the incidence of postoperative delirium and cognitive dysfunction. This review summarizes the role of perioperative sleep disturbances in PND and elucidates the potential mechanisms underlying sleep-deprivation-mediated PND. Activated neuroinflammation and oxidative stress; impaired function of the blood-brain barrier and glymphatic pathway; decreased hippocampal brain-derived neurotrophic factor, adult neurogenesis, and sirtuin1 expression; and accumulated amyloid-beta proteins are associated with PND in individuals with perioperative sleep disorders. These findings suggest that the improvement of perioperative sleep might reduce the incidence of postoperative delirium and postoperative cognitive dysfunction. Future studies should further investigate the role of perioperative sleep disturbance in PND.
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Affiliation(s)
- Xuan Wang
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, People's Republic of China
| | - Dongyu Hua
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, People's Republic of China
| | - Xiaole Tang
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, People's Republic of China
| | - Shan Li
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, People's Republic of China
| | - Rao Sun
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, People's Republic of China
| | - Zheng Xie
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, People's Republic of China
| | - Zhiqiang Zhou
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, People's Republic of China
| | - Yilin Zhao
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, People's Republic of China
| | - Jintao Wang
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, People's Republic of China
| | - Shiyong Li
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, People's Republic of China
| | - Ailin Luo
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, People's Republic of China
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49
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Deurveilher S, Golovin T, Hall S, Semba K. Microglia dynamics in sleep/wake states and in response to sleep loss. Neurochem Int 2020; 143:104944. [PMID: 33359188 DOI: 10.1016/j.neuint.2020.104944] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 12/15/2020] [Accepted: 12/20/2020] [Indexed: 12/22/2022]
Abstract
Sleep has an essential role for optimal brain function, but the cellular substrates for sleep regulation are not fully understood. Microglia, the immune cells of the brain, have gained increasingly more attention over the last two decades for their important roles in various brain functions that extend beyond their well-known immune function, including brain development, neuronal protection, and synaptic plasticity. Here we review recent advances in understanding: i) morphological and phenotypic dynamics of microglia including process motility/growth and gene/protein expression, and ii) microglia-neuron interactions including phagocytosis and contact at synapses which alters neuronal circuit activity, both under physiological state in the adult brain. We discuss how the microglia-neuron interactions particularly at synapses could influence microglia and neuronal activities across circadian cycles and sleep/wake states. We also review recent findings on how microglia respond to sleep loss. We conclude by pointing out key questions and proposing suggestions for future research to better understand the role of microglia in sleep regulation, sleep homeostasis, and the function of sleep.
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Affiliation(s)
- Samuel Deurveilher
- Department of Medical Neuroscience, Dalhousie University, Halifax, Nova Scotia, Canada
| | - Tatjana Golovin
- Department of Physiology & Biophysics, Dalhousie University, Halifax, Nova Scotia, Canada
| | - Shannon Hall
- Department of Medical Neuroscience, Dalhousie University, Halifax, Nova Scotia, Canada
| | - Kazue Semba
- Department of Medical Neuroscience, Dalhousie University, Halifax, Nova Scotia, Canada; Department of Psychology & Neuroscience, Dalhousie University, Halifax, Nova Scotia, Canada; Department of Psychiatry, Dalhousie University, Halifax, Nova Scotia, Canada.
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50
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Rizza S, Longo S, Piciucchi G, Romanello D, Mavilio M, Montagna M, Coppeta L, Martelli E, Magrini A, Federici M. Carotid intimal medial thickness in rotating night shift is related to IL1β/IL6 axis. Nutr Metab Cardiovasc Dis 2020; 30:1826-1832. [PMID: 32665209 DOI: 10.1016/j.numecd.2020.05.028] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 05/24/2020] [Accepted: 05/27/2020] [Indexed: 11/29/2022]
Abstract
BACKGROUND AND AIMS Sleep disturbances may promote glucose abnormalities and inflammatory burden among shift workers. Therefore, precocious subclinical atherosclerotic process might develop in healthy shift workers even without known metabolic and cardiovascular risk factors. METHODS AND RESULTS We measured anthropometric parameters, glucose, lipids, inflammation and common carotid Intimal Medial Thickness (cIMT) in rotating-night shift workers (r-NSW, n = 88, age = 40.3 ± 7.8 y) in comparison with former-night shift workers (f-NSW, n = 35, age = 44.2 ± 6.4 y) and with day-only workers (DW, n = 64, age = 44.1 ± 8.9 y). R-NSW and f-NSW showed significantly higher cIMT and high sensitivity C-Reactive Protein (hs-CRP) respect to DW (p = 0.043 and p = 0.025, respectively). IL-1β levels were higher in r-NSW than in DW and f-NSW (p = 0.043) and significantly correlated with IL6 (r = 0.365, p < 0.001). In addition, r-NSW and f-NSW had higher HbA1c levels in comparison with DW (p = 0.047). Carotid-IMT was significantly related to night shift work (p = 0.023), with age (p < 0.001), with HOMA IR (p = 0.009), with insulin (p = 0.006) with HbA1c (p = 0.002), with LDL cholesterol (p < 0.001), with diastolic BP (p < 0.001), with WBC (p = 0.002) and with IL6 (p = 0.004). After performing a multivariate analysis night shift work remained statistically related to cIMT (B = 2.633, 95%CI = 0.489-4.776, p = 0.016). CONCLUSIONS Our result described a possible link bridging night shift work, inflammation and carotid Intimal Medial Thickness. Future studies are warranted to understand if carotid atherosclerosis process should be mainly driven by the IL1β/IL6 citokine axis connected to sleep disturbances.
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Affiliation(s)
- Stefano Rizza
- Department of Systems Medicine, University of Rome Tor Vergata, Italy.
| | - Susanna Longo
- Department of Systems Medicine, University of Rome Tor Vergata, Italy
| | - Giacomo Piciucchi
- Department of Systems Medicine, University of Rome Tor Vergata, Italy
| | - Daniele Romanello
- Department of Systems Medicine, University of Rome Tor Vergata, Italy
| | - Maria Mavilio
- Department of Systems Medicine, University of Rome Tor Vergata, Italy
| | - Martina Montagna
- Department of Systems Medicine, University of Rome Tor Vergata, Italy
| | - Luca Coppeta
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
| | - Eugenio Martelli
- Division of Vascular Surgery, Department of Medical, Surgical, and Experimental Sciences, University of Sassari, Sassari, Italy
| | - Andrea Magrini
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
| | - Massimo Federici
- Department of Systems Medicine, University of Rome Tor Vergata, Italy
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