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Baser KHC, Haskologlu IC, Erdag E. Molecular Links Between Circadian Rhythm Disruption, Melatonin, and Neurodegenerative Diseases: An Updated Review. Molecules 2025; 30:1888. [PMID: 40363695 PMCID: PMC12073486 DOI: 10.3390/molecules30091888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2025] [Revised: 04/17/2025] [Accepted: 04/22/2025] [Indexed: 05/15/2025] Open
Abstract
Circadian rhythms are molecular oscillations governed by transcriptional-translational feedback loops (TTFLs) operating in nearly all cell types and are fundamental to physiological homeostasis. Key circadian regulators, such as circadian locomotor output cycles kaput (CLOCK), brain and muscle ARNT-like 1 (BMAL1), period (PER), and cryptochrome (CRY) gene families, regulate intracellular metabolism, oxidative balance, mitochondrial function, and synaptic plasticity. Circadian disruption is known as a central contributor to the molecular pathophysiology of neurodegenerative disorders. Disease-specific disruptions in clock gene expression and melatoninergic signaling are known as potential early-stage molecular biomarkers. Melatonin, a neurohormone secreted by the pineal gland, modulates clock gene expression, mitochondrial stability, and inflammatory responses. It also regulates epigenetic and metabolic processes through nuclear receptors and metabolic regulators involved in circadian and cellular stress pathways, thereby exerting neuroprotective effects and maintaining neuronal integrity. This review provides recent findings from the past five years, highlighting how circadian dysregulation mediates key molecular and cellular disturbances and the translational potential of circadian-based therapies in neurodegenerative diseases.
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Affiliation(s)
- Kemal Hüsnü Can Baser
- Department of Pharmacognosy, Faculty of Pharmacy, Near East University, 99138 Nicosia, Cyprus
| | - Ismail Celil Haskologlu
- Department of Pharmacology, Faculty of Pharmacy, Near East University, 99138 Nicosia, Cyprus;
| | - Emine Erdag
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Near East University, 99138 Nicosia, Cyprus
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Dredla BK, Braley TJ. Neuroimmunology and Sleep. Semin Neurol 2025. [PMID: 40209761 DOI: 10.1055/a-2559-7565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/12/2025]
Abstract
The immune system and sleep are inextricably linked in both health and pathological conditions. Tightly regulated neuroimmune processes are critical for the physiological maintenance of healthy sleep. Reciprocally, sleep disturbances can detrimentally affect immune homeostasis and predispose to increased risk of autoimmune conditions, which themselves are bidirectionally associated with a higher risk of sleep disturbances. Autoimmune diseases of the central nervous system (CNS), particularly conditions that affect neuroanatomical regions involved in sleep homeostasis and nocturnal respiration, are associated with an increased risk sleep disorders that may impact diagnosis, clinical course, and management. This review summarizes the bidirectional relationship between sleep and immunity and highlights several exemplar autoimmune conditions of the CNS that include sleep disorders as a consequence or diagnostic feature of the disorder.
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Affiliation(s)
- Brynn K Dredla
- Department of Neurology, and Sleep Disorders Center, Mayo Clinic College of Medicine, Jacksonville, Florida
| | - Tiffany J Braley
- Divisions of Neuroimmunology and Sleep Medicine, Department of Neurology, University of Michigan, Ann Arbor, Michigan
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Ren H, Yuan Y, Zhang D, Xing Y, Chen Z. The impact of circadian rhythms on retinal immunity. Chronobiol Int 2025; 42:198-212. [PMID: 39917826 DOI: 10.1080/07420528.2025.2460675] [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: 09/18/2024] [Revised: 11/26/2024] [Accepted: 01/24/2025] [Indexed: 03/01/2025]
Abstract
The eye is an immune-protected organ, which is driven by factors such as cytokines, chemicals, light, and mechanical stimuli. The circadian clock is an intrinsic timing mechanism that influences the immune activities, such as immune cell count and activity, as well as inflammatory responses. Recent studies have demonstrated that the eye also possesses an intrinsic circadian rhythm, and this rhythmic regulation participates in ocular immune modulation. In this review, we discuss the immunoregulatory mechanisms of the circadian clock within the eye, and reveal new perspectives for the prevention and treatment of ocular diseases.
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Affiliation(s)
- He Ren
- Eye Center, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yilin Yuan
- Eye Center, Renmin Hospital of Wuhan University, Wuhan, China
| | - Danlei Zhang
- Eye Center, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yiqiao Xing
- Eye Center, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zhen Chen
- Eye Center, Renmin Hospital of Wuhan University, Wuhan, China
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Mascia E, Nale V, Ferrè L, Sorosina M, Clarelli F, Chiodi A, Santoro S, Giordano A, Misra K, Cannizzaro M, Moiola L, Martinelli V, Milanesi L, Filippi M, Mosca E, Esposito F. Genetic Contribution to Medium-Term Disease Activity in Multiple Sclerosis. Mol Neurobiol 2025; 62:322-334. [PMID: 38850349 DOI: 10.1007/s12035-024-04264-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Accepted: 05/25/2024] [Indexed: 06/10/2024]
Abstract
Multiple sclerosis (MS) is a complex disorder characterized by high heterogeneity in terms of phenotypic expression, prognosis and treatment response. In the present study, we aimed to explore the genetic contribution to MS disease activity at different levels: genes, pathways and tissue-specific networks. Two cohorts of relapsing-remitting MS patients who started a first-line treatment (n = 1294) were enrolled to evaluate the genetic association with disease activity after 4 years of follow-up. The analyses were performed at whole-genome SNP and gene level, followed by the construction of gene-gene interaction networks specific for brain and lymphocytes. The resulting gene modules were evaluated to highlight key players from a topological and functional perspective. We identified 23 variants and 223 genes with suggestive association to 4-years disease activity, highlighting genes like PON2 involved in oxidative stress and in mitochondria functions and other genes, like ILRUN, involved in the modulation of the immune system. Network analyses led to the identification of a brain module composed of 228 genes and a lymphocytes module composed of 287 genes. The network analysis allowed us to prioritize genes relevant for their topological properties; among them, there are MPHOSPH9 (connector hub in both brain and lymphocyte module) and OPA1 (in brain module), two genes already implicated in MS. Modules showed the enrichment of both shared and tissue-specific pathways, mainly implicated in inflammation. In conclusion, our results suggest that the processes underlying disease activity act on shared mechanisms across brain and lymphocyte tissues.
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Affiliation(s)
- Elisabetta Mascia
- Laboratory of Human Genetics of Neurological Disorders, Institute of Experimental Neurology, Division of Neuroscience, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Valentina Nale
- Institute of Biomedical Technologies, National Research Council, Segrate, Italy
| | - Laura Ferrè
- Laboratory of Human Genetics of Neurological Disorders, Institute of Experimental Neurology, Division of Neuroscience, IRCCS San Raffaele Scientific Institute, Milan, Italy
- Neurology and Neurorehabilitation Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Melissa Sorosina
- Laboratory of Human Genetics of Neurological Disorders, Institute of Experimental Neurology, Division of Neuroscience, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Ferdinando Clarelli
- Laboratory of Human Genetics of Neurological Disorders, Institute of Experimental Neurology, Division of Neuroscience, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Alice Chiodi
- Institute of Biomedical Technologies, National Research Council, Segrate, Italy
| | - Silvia Santoro
- Laboratory of Human Genetics of Neurological Disorders, Institute of Experimental Neurology, Division of Neuroscience, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Antonino Giordano
- Laboratory of Human Genetics of Neurological Disorders, Institute of Experimental Neurology, Division of Neuroscience, IRCCS San Raffaele Scientific Institute, Milan, Italy
- Neurology and Neurorehabilitation Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Kaalindi Misra
- Laboratory of Human Genetics of Neurological Disorders, Institute of Experimental Neurology, Division of Neuroscience, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Miryam Cannizzaro
- Laboratory of Human Genetics of Neurological Disorders, Institute of Experimental Neurology, Division of Neuroscience, IRCCS San Raffaele Scientific Institute, Milan, Italy
- Neurology and Neurorehabilitation Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Lucia Moiola
- Neurology and Neurorehabilitation Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Vittorio Martinelli
- Neurology and Neurorehabilitation Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Luciano Milanesi
- Institute of Biomedical Technologies, National Research Council, Segrate, Italy
| | - Massimo Filippi
- Neurology and Neurorehabilitation Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
- Vita-Salute San Raffaele University, Milan, Italy
- Neurophysiology Service, IRCCS San Raffaele Scientific Institute, Milan, Italy
- Neuroimaging Research Unit, Institute of Experimental Neurology, Division of Neuroscience, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Ettore Mosca
- Institute of Biomedical Technologies, National Research Council, Segrate, Italy
| | - Federica Esposito
- Laboratory of Human Genetics of Neurological Disorders, Institute of Experimental Neurology, Division of Neuroscience, IRCCS San Raffaele Scientific Institute, Milan, Italy.
- Neurology and Neurorehabilitation Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy.
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Persson PB, Persson AB. Nutritional health. Acta Physiol (Oxf) 2024; 240:e14136. [PMID: 38488180 DOI: 10.1111/apha.14136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Accepted: 03/07/2024] [Indexed: 04/24/2024]
Affiliation(s)
- Pontus B Persson
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Translational Physiology, Berlin, Germany
| | - Anja Bondke Persson
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Translational Physiology, Berlin, Germany
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Chen S, Wang N, Xiong S, Xia X. The correlation between primary open-angle glaucoma (POAG) and gut microbiota: a pilot study towards predictive, preventive, and personalized medicine. EPMA J 2023; 14:539-552. [PMID: 37605653 PMCID: PMC10439875 DOI: 10.1007/s13167-023-00336-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Accepted: 07/29/2023] [Indexed: 08/23/2023]
Abstract
Background Glaucoma is the leading cause of irreversible blindness worldwide. Emerged evidence has shown that glaucoma is considered an immune system related disorder. The gut is the largest immune organ in the human body and the gut microbiota (GM) plays an irreversible role in maintaining immune homeostasis. But, how the GM influences glaucoma remains unrevealed. This study aimed at investigating the key molecules/pathways mediating the GM and the glaucoma to provide new biomarkers for future predictive, preventive, and personalized medicine. Methods Datasets from the primary open-angle glaucoma (POAG) patients (GSE138125) and datasets for target genes of GM/GM metabolites were downloaded from a public database. For GSE138125, the differentially expressed genes (DEGs) between healthy and POAG samples were identified. And the online Venn diagram tool was used to obtain the DEGs from POAG related to GM. After which GM-related DEGs were analyzed by correlation analysis, pathway enrichment analysis, and protein-protein interaction (PPI) network analysis. Human trabecular meshwork cells were used for validation, and the mRNA level of hub genes was verified by quantitative real-time polymerase chain reaction (RT-qPCR) in the in vitro glaucoma model. Results A total of 16 GM-related DEGs in POAG were identified from the above 2 datasets (9 upregulated genes and 7 downregulated genes). Pathway enrichment analysis indicated that these genes are mostly enriched in immune regulation especially macrophages-related pathways. Then 6 hub genes were identified by PPI network analysis and construction of key modules. Finally, RT-qPCR confirmed that the expression of the hub genes in the in vitro glaucoma model was consistent with the results of bioinformatics analysis of the mRNA chip. Conclusion This bioinformatic study elucidates NFKB1, IL18, KITLG, TLR9, FKBP2, and HDAC4 as hub genes for POAG and GM regulation. Immune response modulated by macrophages plays an important role in POAG and may be potential targets for future predictive, preventive, and personalized diagnosis and treatment. Supplementary Information The online version contains supplementary material available at 10.1007/s13167-023-00336-2.
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Affiliation(s)
- Si Chen
- Eye Center of Xiangya Hospital, Central South University, Changsha, 410008 Hunan China
- Hunan Key Laboratory of Ophthalmology, Changsha, Hunan China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan China
| | - Nan Wang
- Eye Center of Xiangya Hospital, Central South University, Changsha, 410008 Hunan China
- Hunan Key Laboratory of Ophthalmology, Changsha, Hunan China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan China
| | - Siqi Xiong
- Eye Center of Xiangya Hospital, Central South University, Changsha, 410008 Hunan China
- Hunan Key Laboratory of Ophthalmology, Changsha, Hunan China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan China
| | - Xiaobo Xia
- Eye Center of Xiangya Hospital, Central South University, Changsha, 410008 Hunan China
- Hunan Key Laboratory of Ophthalmology, Changsha, Hunan China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan China
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Liu W, Ma R, Sun C, Xu Y, Liu Y, Hu J, Ma Y, Wang D, Wen D, Yu Y. Implications from proteomic studies investigating circadian rhythm disorder-regulated neurodegenerative disease pathology. Sleep Med Rev 2023; 70:101789. [PMID: 37253318 DOI: 10.1016/j.smrv.2023.101789] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 05/01/2023] [Accepted: 05/05/2023] [Indexed: 06/01/2023]
Abstract
Neurodegenerative diseases (NDs) affect 15% of the world's population and are becoming an increasingly common cause of morbidity and mortality worldwide. Circadian rhythm disorders (CRDs) have been reported to be involved in the pathogenic regulation of various neurologic diseases, including Alzheimer's disease, Parkinson's disease, Huntington's disease, multiple sclerosis and amyotrophic lateral sclerosis. Proteomic technology is helpful to explore treatment targets for CRDs in patients with NDs. Here, we review the key differentially expressed (DE) proteins identified in previous proteomic studies investigating NDs, CRDs and associated models and the related pathways identified by enrichment analysis. Furthermore, we summarize the advantages and disadvantages of the above studies and propose new proteomic technologies for the precise study of circadian disorder-mediated regulation of ND pathology. This review provides a theoretical and technical reference for the precise study of circadian disorder-mediated regulation of ND pathology.
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Affiliation(s)
- Weiwei Liu
- Health Sciences Institute, Key Laboratory of Obesity and Glucose/Lipid Associated Metabolic Diseases, China Medical University, Shenyang 110122, Liaoning, China
| | - Ruze Ma
- Health Sciences Institute, Key Laboratory of Obesity and Glucose/Lipid Associated Metabolic Diseases, China Medical University, Shenyang 110122, Liaoning, China; Department of Gerontology, Shengjing Hospital of China Medical University, Shenyang, Liaoning, 110004, China
| | - Chen Sun
- Health Sciences Institute, Key Laboratory of Obesity and Glucose/Lipid Associated Metabolic Diseases, China Medical University, Shenyang 110122, Liaoning, China; Department of Radiology, Shengjing Hospital of China Medical University, Shenyang, 110004, Liaoning, China
| | - Yingxi Xu
- Health Sciences Institute, Key Laboratory of Obesity and Glucose/Lipid Associated Metabolic Diseases, China Medical University, Shenyang 110122, Liaoning, China
| | - Yang Liu
- Health Sciences Institute, Key Laboratory of Obesity and Glucose/Lipid Associated Metabolic Diseases, China Medical University, Shenyang 110122, Liaoning, China
| | - Jiajin Hu
- Health Sciences Institute, Key Laboratory of Obesity and Glucose/Lipid Associated Metabolic Diseases, China Medical University, Shenyang 110122, Liaoning, China
| | - Yanan Ma
- Health Sciences Institute, Key Laboratory of Obesity and Glucose/Lipid Associated Metabolic Diseases, China Medical University, Shenyang 110122, Liaoning, China; Department of Epidemiology and Health Statistics, School of Public Health, China Medical University, Shenyang, 110122, Liaoning, China
| | - Difei Wang
- Department of Gerontology, Shengjing Hospital of China Medical University, Shenyang, Liaoning, 110004, China
| | - Deliang Wen
- Health Sciences Institute, Key Laboratory of Obesity and Glucose/Lipid Associated Metabolic Diseases, China Medical University, Shenyang 110122, Liaoning, China.
| | - Yang Yu
- Health Sciences Institute, Key Laboratory of Obesity and Glucose/Lipid Associated Metabolic Diseases, China Medical University, Shenyang 110122, Liaoning, China.
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