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Jiang N, Yao C, Zhang Y, Sun X, Choudhary MI, Liu X. Ginsenoside Rg1 Attenuates Chronic Sleep Deprivation-Induced Hippocampal Mitochondrial Dysfunction and Improves Memory by the AMPK-SIRT3 Pathway. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:2362-2373. [PMID: 38236060 DOI: 10.1021/acs.jafc.3c04618] [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: 01/19/2024]
Abstract
Ginsenoside Rg1 (Rg1) is the main bioactive ginseng component. This study investigates the effects of Rg1 on cognitive deficits triggered by chronic sleep deprivation stress (CSDS) and explores its underlying mechanisms. Rg1 effectively improved spatial working and recognition memory, as evidenced by various behavioral tests. RNA-sequence analysis revealed differential gene expression in the metabolic pathway. Treatment with Rg1 abrogated reductions in SOD and CAT activity, lowered MDA content, and increased Nrf2 and HO-1 protein levels. Rg1 administration alleviated hippocampal mitochondrial dysfunction by restoring normal ultrastructure and enhancing ATP activities and Mfn2 expression while regulating Drp-1 expression. Rg1 mitigated neuronal apoptosis by reducing the Bax/Bcl-2 ratio and the levels of cleaved caspase-3. Additionally, Rg1 upregulated AMPK and SIRT3 protein expressions. These findings suggest that Rg1 has potential as a robust intervention for cognitive dysfunction associated with sleep deprivation, acting through the modulation of mitochondrial function, oxidative stress, apoptosis, and the AMPK-SIRT3 axis.
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Affiliation(s)
- Ning Jiang
- Research Center for Pharmacology and Toxicology, Institute of Medicinal Plant Development (IMPLAD), Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100193, China
| | - Caihong Yao
- Research Center for Pharmacology and Toxicology, Institute of Medicinal Plant Development (IMPLAD), Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100193, China
| | - Yiwen Zhang
- Research Center for Pharmacology and Toxicology, Institute of Medicinal Plant Development (IMPLAD), Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100193, China
| | - Xinran Sun
- Research Center for Pharmacology and Toxicology, Institute of Medicinal Plant Development (IMPLAD), Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100193, China
| | - M Iqbal Choudhary
- H. E. J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
| | - Xinmin Liu
- Institute of Drug Discovery Technology, Ningbo University, Ningbo 315211, Zhejiang, China
- Qian Xuesen Collaborative Research Center of Astrochemistry and Space Life Sciences, Ningbo University, Ningbo 315211, Zhejiang, China
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Han S, Kim DK, Jun SE, Kim N. Association of sleep quality and mitochondrial DNA copy number in healthy middle-aged adults. Sleep Med 2024; 113:19-24. [PMID: 37979503 DOI: 10.1016/j.sleep.2023.11.011] [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: 09/10/2023] [Revised: 11/03/2023] [Accepted: 11/04/2023] [Indexed: 11/20/2023]
Abstract
OBJECTIVES Mitochondria contribute to various compromised health, yet the association between sleep and mitochondria remains unclear. This study investigated the association between sleep quality and mitochondrial function in healthy middle-aged adults in the Republic of Korea. METHOD This cross-sectional study recruited 238 middle-aged adults using convenience sampling. Sleep quality was assessed using the Pittsburgh Sleep Quality Index (PSQI). Mitochondrial function, represented by mitochondrial DNA copy number (mtDNAcn), was measured using real-time quantitative polymerase chain reaction on peripheral blood leukocytes. Multivariate linear regression analyses were performed to determine the association between sleep quality and mtDNAcn. RESULTS Sleep quality was negatively associated with mtDNAcn (r = -.15, p = .025); the poor sleep quality group had a notably lower mtDNAcn compared to the good sleep quality group (t = 2.40, p = .017). Among the PSQI components, sleep latency was significantly associated with reduced mtDNAcn (r = -.18, p = .005). Univariate regression analysis revealed that mtDNAcn was significantly associated with education level (β = 0.15, p = .017), shift work (β = -0.17, p = .010), global PSQI score (β = -0.15, p = .025), and sleep latency (β = -0.18, p = .005). After adjusting for educational level and shift work in the final model, longer sleep latency was independently associated with reduced mtDNAcn (β = -.16, p = .011). CONCLUSIONS Poor sleep quality is associated with reduced mtDNAcn, suggesting a potential biological mechanism whereby poor sleep quality, specifically long sleep latency, accelerates cellular aging and impairs health through mitochondrial dysfunction. These findings enhance our understanding of the health effects of sleep quality and highlight the importance of screening and intervention strategies for mitochondrial dysfunction.
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Affiliation(s)
- Seolbin Han
- College of Nursing, Keimyung University, Daegu, 42601, Republic of Korea
| | - Dae-Kwang Kim
- School of Medicine, Keimyung University, Daegu, 42601, Republic of Korea
| | - Sang-Eun Jun
- College of Nursing, Keimyung University, Daegu, 42601, Republic of Korea
| | - Nahyun Kim
- College of Nursing, Keimyung University, Daegu, 42601, Republic of Korea.
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Cunha L, Paschalidis M, Moysés-Oliveira M, Marquezini BP, Deconto TB, Guerreiro P, Kloster A, Mosini AC, Gallego Adami LN, Andersen ML, Tufik S. The relationship between neurodevelopmental transcriptional programs and insomnia: From Rubinstein-Taybi syndrome into energy metabolism. Sleep Med 2023; 112:9-11. [PMID: 37801861 DOI: 10.1016/j.sleep.2023.09.031] [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: 07/20/2023] [Revised: 09/25/2023] [Accepted: 09/26/2023] [Indexed: 10/08/2023]
Abstract
Neurodevelopmental disorders (NDD) are characterized by cognitive, emotional, and/or motor skills impairment since childhood, and sleep disturbances are a common comorbidity. Rubinstein-Taybi syndrome (RSTS), a rare genetic syndrome associated with NDD, is caused by CREBBP haploinsufficiency. This gene encodes an acetyltransferase with crucial role on the establishment of transcriptional programs during neurodevelopment. Although insomnia has been reported in RSTS patients, the convergent mechanisms between this sleep disturbance and CREBBP loss-of-function are not fully understood. We tested weather the genetic architecture underlying CREBBP regulatory targets and insomnia-associated genes is significantly shared. We then identified the biological pathways enriched among these shared genes. The intersection between CREBBP regulatory targets and genes associated with insomnia included 7 overlapping genes, indicating significantly more overlap than expected by chance. An over-representation analysis on these intersect genes identified pathways related to mitochondrial activity. This finding indicates that the transcriptional programs established by CREBBP might impact insomnia-related biological pathways through the modulation of energy metabolism. The overlapping gene set and biological pathways highlighted by this study may serve as a primer for new functional investigations of shared molecular mechanisms between insomnia and CREBBP regulatory targets.
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Affiliation(s)
- Lais Cunha
- Sleep Institute, Associação Fundo de Incentivo à Pesquisa, São Paulo, Brazil
| | - Mayara Paschalidis
- Sleep Institute, Associação Fundo de Incentivo à Pesquisa, São Paulo, Brazil
| | | | | | | | - Pedro Guerreiro
- Sleep Institute, Associação Fundo de Incentivo à Pesquisa, São Paulo, Brazil
| | - Anna Kloster
- Sleep Institute, Associação Fundo de Incentivo à Pesquisa, São Paulo, Brazil
| | | | | | - Monica L Andersen
- Sleep Institute, Associação Fundo de Incentivo à Pesquisa, São Paulo, Brazil; Departamento de Psicobiologia, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Sergio Tufik
- Sleep Institute, Associação Fundo de Incentivo à Pesquisa, São Paulo, Brazil; Departamento de Psicobiologia, Universidade Federal de São Paulo, São Paulo, Brazil.
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Adams GJ, O'Brien PA. The unified theory of sleep: Eukaryotes endosymbiotic relationship with mitochondria and REM the push-back response for awakening. Neurobiol Sleep Circadian Rhythms 2023; 15:100100. [PMID: 37484687 PMCID: PMC10362302 DOI: 10.1016/j.nbscr.2023.100100] [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: 02/02/2023] [Revised: 06/22/2023] [Accepted: 06/26/2023] [Indexed: 07/25/2023] Open
Abstract
The Unified Theory suggests that sleep is a process that developed in eukaryotic animals from a relationship with an endosymbiotic bacterium. Over evolutionary time the bacterium evolved into the modern mitochondrion that continues to exert an effect on sleep patterns, e.g. the bacterium Wolbachia establishes an endosymbiotic relationship with Drosophila and many other species of insects and is able to change the host's behaviour by making it sleep. The hypothesis is supported by other host-parasite relationships, e.g., Trypanosoma brucei which causes day-time sleepiness and night-time insomnia in humans and cattle. For eukaryotes such as Monocercomonoids that don't contain mitochondria we find no evidence of them sleeping. Mitochondria produce the neurotransmitter gamma aminobutyric acid (GABA), and ornithine a precursor of the neurotransmitter GABA, together with substances such as 3,4dihydroxy phenylalanine (DOPA) a precursor for the neurotransmitter dopamine: These substances have been shown to affect the sleep/wake cycles in animals such as Drosophilia and Hydra. Eukaryote animals have traded the very positive side of having mitochondria providing aerobic respiration for them with the negative side of having to sleep. NREM (Quiet sleep) is the process endosymbionts have imposed upon their host eukaryotes and REM (Active sleep) is the push-back adaptation of eukaryotes with brains, returning to wakefulness.
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Affiliation(s)
| | - Philip A. O'Brien
- College of Science, Health, Engineering and Education, Murdoch University, WA, Australia
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Kopeć K, Szleszkowski S, Koziorowski D, Szlufik S. Glymphatic System and Mitochondrial Dysfunction as Two Crucial Players in Pathophysiology of Neurodegenerative Disorders. Int J Mol Sci 2023; 24:10366. [PMID: 37373513 DOI: 10.3390/ijms241210366] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 06/14/2023] [Accepted: 06/16/2023] [Indexed: 06/29/2023] Open
Abstract
Neurodegenerative diseases are a complex problem affecting millions of people around the world. The pathogenesis is not fully understood, but it is known that both insufficiency of the glymphatic system and mitochondrial disorders affect the development of pathology. It appears that these are not just two independent factors that coexist in the processes of neurodegeneration, but that they often interact and drive each other. Bioenergetics disturbances are potentially associated with the accumulation of protein aggregates and impaired glymphatic clearance. Furthermore, sleep disorders characteristic of neurodegeneration may impair the work of both the glymphatic system and the activity of mitochondria. Melatonin may be one of the elements linking sleep disorders with the function of these systems. Moreover, noteworthy in this context is the process of neuroinflammation inextricably linked to mitochondria and its impact not only on neurons, but also on glia cells involved in glymphatic clearance. This review only presents possible direct and indirect connections between the glymphatic system and mitochondria in the process of neurodegeneration. Clarifying the connection between these two areas in relation to neurodegeneration could lead to the development of new multidirectional therapies, which, due to the complexity of pathogenesis, seems to be worth considering.
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Affiliation(s)
- Kamila Kopeć
- Department of Neurology, Faculty of Health Sciences, Medical University of Warsaw, 02-091 Warsaw, Poland
| | - Stanisław Szleszkowski
- Department of Neurology, Faculty of Health Sciences, Medical University of Warsaw, 02-091 Warsaw, Poland
| | - Dariusz Koziorowski
- Department of Neurology, Faculty of Health Sciences, Medical University of Warsaw, 02-091 Warsaw, Poland
| | - Stanislaw Szlufik
- Department of Neurology, Faculty of Health Sciences, Medical University of Warsaw, 02-091 Warsaw, Poland
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Association analyses of the autosomal genome and mitochondrial DNA with accelerometry-derived sleep parameters in depressed UK biobank subjects. J Psychiatr Res 2023; 157:152-161. [PMID: 36463630 DOI: 10.1016/j.jpsychires.2022.11.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 09/01/2022] [Accepted: 11/12/2022] [Indexed: 11/19/2022]
Abstract
BACKGROUND The bidirectional relationship between sleep disturbances and depression is well documented, yet the biology of sleep is not fully understood. Mitochondria have become of interest not only because of the connection between sleep and metabolism but also because of mitochondria's involvement in the production of reactive oxygen species, which are largely scavenged during sleep. METHODS Genome-wide association studies (GWAS) of eight accelerometry-derived sleep measures were performed across both the autosomal and mitochondrial DNA (mtDNA) among two severity levels of depression in UK Biobank participants. We calculated SNP heritability for each of the sleep measures. Linear regression was performed to test associations and mitochondrial haplogroups. RESULTS Variants included in the GWAS accounted for moderate heritability of bedtime (19.6%, p = 4.75 × 10-7), sleep duration (16.6%, p = 8.58 × 10-6) and duration of longest sleep bout (22.6%, p = 4.64 × 10-4). No variants passed genome-wide significance in the autosomal genome. The top hit in the severe depression sample was rs145019802, near GOLGA8B, for sleep efficiency (p = 1.17 × 10-7), and the top hit in the broad depression sample was rs7100859, an intergenic SNP, and nap duration (p = 1.25 × 10-7). Top mtDNA loci were m.12633C > A of MT-ND5 with bedtime (p = 0.002) in the severe sample and m.16186C > T of the control region with nap duration (p = 0.002) in the broad sample. CONCLUSION SNP heritability estimates support the involvement of common SNPs in specific sleep measures among depressed individuals. This is the first study to analyze mtDNA variance in sleep measures in depressed individuals. Our mtDNA findings, although nominally significant, provide preliminary suggestion that mitochondria are involved in sleep.
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Wang W, Yin H, Sun G, Zhang J, Sun J, Mbabazi N, Zou L, Li B, Lin P, Pei Q, Wang X, Wang P, Ji X, Qu X, Yin D. The Role of Sleep Deprivation in Arrhythmias. CARDIOVASCULAR INNOVATIONS AND APPLICATIONS 2022. [DOI: 10.15212/cvia.2022.0013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
Sleep is essential to the normal psychological and physiological activities of the human body. Increasing evidence indicates that sleep deprivation is associated with the occurrence, development, and poor treatment effects of various arrhythmias. Sleep deprivation affects not only the peripheral nervous system but also the central nervous system, which regulates the occurrence of arrhythmias. In addition, sleep deprivation is associated with apoptotic pathways, mitochondrial energy metabolism disorders, and immune system dysfunction. Although studies increasingly suggest that pathological sleep patterns are associated with various atrial and ventricular arrhythmias, further research is needed to identify specific mechanisms and recommend therapeutic interventions. This review summarizes the findings of sleep deprivation in animal experiments and clinical studies, current challenges, and future research directions in the field of arrhythmias.
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Affiliation(s)
- Wenlong Wang
- Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Hongpeng Yin
- Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Ge Sun
- Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Junpei Zhang
- Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Jingmei Sun
- Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Nadine Mbabazi
- Department of Cardiology, King Faisal Hospital, Kigali, Rwanda
| | - Lina Zou
- Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Bin Li
- Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Pengqi Lin
- Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Quanwei Pei
- Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Xin Wang
- Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Penghe Wang
- Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Xuanrui Ji
- Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Xiufen Qu
- Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Dechun Yin
- Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China
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Kim SA, Kim S, Park HJ. REM-Sleep Deprivation Induces Mitochondrial Biogenesis in the Rat Hippocampus. In Vivo 2022; 36:1726-1733. [PMID: 35738625 DOI: 10.21873/invivo.12885] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 05/13/2022] [Accepted: 05/18/2022] [Indexed: 12/22/2022]
Abstract
BACKGROUND/AIM Sleep loss is proposed as a trigger for manic episodes in bipolar disorder in humans. It has been shown that sleep and wakefulness can affect changes in mitochondrial gene expression, oxidative phosphorylation (OXPHOS) activity, and morphology in the brain. In this study, we investigated alterations in mitochondrial bioenergetic function in the brain of rats after 72-h rapid eye movement sleep deprivation (REM-SD). MATERIALS AND METHODS Alterations in the mitochondrial DNA (mtDNA) copy number were detected in the prefrontal cortex and hippocampus through amplification of mitochondrially encoded NADH dehydrogenase 1 (mt-Nd1) gene using quantitative real-time polymerase chain reaction. The expression levels of mitochondrial biogenesis-related proteins such as peroxisome proliferator-activated receptor gamma coactivator 1 alpha (PPARGC1A), cytochrome c oxidase subunit 4I1 (COX4I1) and sirtuin 3 (SIRT3) were assessed using western blot analysis and immunohistochemistry. RESULTS We found that REM-SD significantly increased the mtDNA copy number in the hippocampus but not in the prefrontal cortex. In addition, REM-SD increased the protein expression of COX4I1 in the hippocampus. Furthermore, we observed manic-like behaviors in rats exposed to 72-h REM-SD. REM-SD increased locomotion in the open-field test and the time spent in open arms in the elevated plus-maze test. CONCLUSION REM-SD may induce mitochondrial dysfunction in the brain, which may be involved in the induction of mania.
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Affiliation(s)
- Soon Ae Kim
- Department of Pharmacology, School of Medicine, Eulji University, Daejeon, Republic of Korea
| | - Sanga Kim
- Department of Pharmacology, School of Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Hae Jeong Park
- Department of Pharmacology, School of Medicine, Kyung Hee University, Seoul, Republic of Korea
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