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Zhao R. Exercise mimetics: a novel strategy to combat neuroinflammation and Alzheimer's disease. J Neuroinflammation 2024; 21:40. [PMID: 38308368 PMCID: PMC10837901 DOI: 10.1186/s12974-024-03031-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 01/25/2024] [Indexed: 02/04/2024] Open
Abstract
Neuroinflammation is a pathological hallmark of Alzheimer's disease (AD), characterized by the stimulation of resident immune cells of the brain and the penetration of peripheral immune cells. These inflammatory processes facilitate the deposition of amyloid-beta (Aβ) plaques and the abnormal hyperphosphorylation of tau protein. Managing neuroinflammation to restore immune homeostasis and decrease neuronal damage is a therapeutic approach for AD. One way to achieve this is through exercise, which can improve brain function and protect against neuroinflammation, oxidative stress, and synaptic dysfunction in AD models. The neuroprotective impact of exercise is regulated by various molecular factors that can be activated in the same way as exercise by the administration of their mimetics. Recent evidence has proven some exercise mimetics effective in alleviating neuroinflammation and AD, and, additionally, they are a helpful alternative option for patients who are unable to perform regular physical exercise to manage neurodegenerative disorders. This review focuses on the current state of knowledge on exercise mimetics, including their efficacy, regulatory mechanisms, progress, challenges, limitations, and future guidance for their application in AD therapy.
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Affiliation(s)
- Renqing Zhao
- College of Physical Education, Yangzhou University, Yangzhou, China.
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2
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Cronin SJF, Yu W, Hale A, Licht-Mayer S, Crabtree MJ, Korecka JA, Tretiakov EO, Sealey-Cardona M, Somlyay M, Onji M, An M, Fox JD, Turnes BL, Gomez-Diaz C, da Luz Scheffer D, Cikes D, Nagy V, Weidinger A, Wolf A, Reither H, Chabloz A, Kavirayani A, Rao S, Andrews N, Latremoliere A, Costigan M, Douglas G, Freitas FC, Pifl C, Walz R, Konrat R, Mahad DJ, Koslov AV, Latini A, Isacson O, Harkany T, Hallett PJ, Bagby S, Woolf CJ, Channon KM, Je HS, Penninger JM. Crucial neuroprotective roles of the metabolite BH4 in dopaminergic neurons. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.05.08.539795. [PMID: 37214873 PMCID: PMC10197517 DOI: 10.1101/2023.05.08.539795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Dopa-responsive dystonia (DRD) and Parkinson's disease (PD) are movement disorders caused by the dysfunction of nigrostriatal dopaminergic neurons. Identifying druggable pathways and biomarkers for guiding therapies is crucial due to the debilitating nature of these disorders. Recent genetic studies have identified variants of GTP cyclohydrolase-1 (GCH1), the rate-limiting enzyme in tetrahydrobiopterin (BH4) synthesis, as causative for these movement disorders. Here, we show that genetic and pharmacological inhibition of BH4 synthesis in mice and human midbrain-like organoids accurately recapitulates motor, behavioral and biochemical characteristics of these human diseases, with severity of the phenotype correlating with extent of BH4 deficiency. We also show that BH4 deficiency increases sensitivities to several PD-related stressors in mice and PD human cells, resulting in worse behavioral and physiological outcomes. Conversely, genetic and pharmacological augmentation of BH4 protects mice from genetically- and chemically induced PD-related stressors. Importantly, increasing BH4 levels also protects primary cells from PD-affected individuals and human midbrain-like organoids (hMLOs) from these stressors. Mechanistically, BH4 not only serves as an essential cofactor for dopamine synthesis, but also independently regulates tyrosine hydroxylase levels, protects against ferroptosis, scavenges mitochondrial ROS, maintains neuronal excitability and promotes mitochondrial ATP production, thereby enhancing mitochondrial fitness and cellular respiration in multiple preclinical PD animal models, human dopaminergic midbrain-like organoids and primary cells from PD-affected individuals. Our findings pinpoint the BH4 pathway as a key metabolic program at the intersection of multiple protective mechanisms for the health and function of midbrain dopaminergic neurons, identifying it as a potential therapeutic target for PD.
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Affiliation(s)
- Shane J F Cronin
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Vienna BioCenter (VBC), Dr. Bohr-Gasse 3, 1030 Vienna, Austria
| | - Weonjin Yu
- Signature Program in Neuroscience and Behavioural Disorders, Duke-National University of Singapore (NUS) Medical School, 8 College Road, Singapore, 169857, Singapore
| | - Ashley Hale
- Division of Cardiovascular Medicine, British Heart Foundation Centre of Research Excellence, John Radcliffe Hospital, University of Oxford, Oxford, OX3 9DU, UK
| | - Simon Licht-Mayer
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Vienna BioCenter (VBC), Dr. Bohr-Gasse 3, 1030 Vienna, Austria
| | - Mark J Crabtree
- Division of Cardiovascular Medicine, British Heart Foundation Centre of Research Excellence, John Radcliffe Hospital, University of Oxford, Oxford, OX3 9DU, UK
| | - Joanna A Korecka
- Neurodegeneration Research Institute, Harvard Medical School/McLean Hospital, Belmont, MA, 02478, USA
| | - Evgenii O Tretiakov
- Department of Molecular Neurosciences, Center for Brain Research, Medical University of Vienna, Vienna, Austria
| | - Marco Sealey-Cardona
- Department of Structural and Computational Biology, Max Perutz Labs, Vienna Biocenter Campus 5, 1030, Vienna, Austria
| | - Mate Somlyay
- Department of Structural and Computational Biology, Max Perutz Labs, Vienna Biocenter Campus 5, 1030, Vienna, Austria
| | - Masahiro Onji
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Vienna BioCenter (VBC), Dr. Bohr-Gasse 3, 1030 Vienna, Austria
| | - Meilin An
- Department of Medical Genetics, Life Sciences Institute, University of British Columbia, Vancouver, Canada
| | - Jesse D Fox
- Department of Medical Genetics, Life Sciences Institute, University of British Columbia, Vancouver, Canada
| | - Bruna Lenfers Turnes
- FM Kirby Neurobiology Center, Boston Children's Hospital, Boston, MA 02115, USA and Department of Neurobiology, Harvard Medical School, Boston, MA 02115, USA
| | - Carlos Gomez-Diaz
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Vienna BioCenter (VBC), Dr. Bohr-Gasse 3, 1030 Vienna, Austria
| | - Débora da Luz Scheffer
- LABOX, Departamento de Bioquímica, Universidade Federal de Santa Catarina, Florianópolis, SC 88037-100, Brazil
| | - Domagoj Cikes
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Vienna BioCenter (VBC), Dr. Bohr-Gasse 3, 1030 Vienna, Austria
| | - Vanja Nagy
- Ludwig Boltzmann Institute for Rare and Undiagnosed Diseases (LBI-RUD); Department of Neurology, Medical University of Vienna (MUW), 1090 Vienna, Austria
| | - Adelheid Weidinger
- Ludwig Boltzmann Institute for Traumatology. The Research Center in Cooperation with AUVA, Donaueschingen Str. 13, 1200 Vienna, Austria
| | - Alexandra Wolf
- Department of Molecular Neurosciences, Center for Brain Research, Medical University of Vienna, Vienna, Austria
| | - Harald Reither
- Department of Molecular Neurosciences, Center for Brain Research, Medical University of Vienna, Vienna, Austria
| | - Antoine Chabloz
- Department of Medical Genetics, Life Sciences Institute, University of British Columbia, Vancouver, Canada
| | - Anoop Kavirayani
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Vienna BioCenter (VBC), Dr. Bohr-Gasse 3, 1030 Vienna, Austria
| | - Shuan Rao
- Department of Thoracic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Nick Andrews
- FM Kirby Neurobiology Center, Boston Children's Hospital, Boston, MA 02115, USA and Department of Neurobiology, Harvard Medical School, Boston, MA 02115, USA
| | - Alban Latremoliere
- Neurosurgery Department, Neurosurgery Pain Research Institute, Johns Hopkins School of Medicine, Baltimore, MD 21205, USA
| | - Michael Costigan
- FM Kirby Neurobiology Center, Boston Children's Hospital, Boston, MA 02115, USA and Department of Neurobiology, Harvard Medical School, Boston, MA 02115, USA
| | - Gillian Douglas
- Division of Cardiovascular Medicine, British Heart Foundation Centre of Research Excellence, John Radcliffe Hospital, University of Oxford, Oxford, OX3 9DU, UK
| | | | - Christian Pifl
- Department of Molecular Neurosciences, Center for Brain Research, Medical University of Vienna, Vienna, Austria
| | - Roger Walz
- Center for Applied Neurocience, Universidade Federal de Santa Catarina (UFSC), Florianópolis, Brazil; Neurology Division, Internal Medicine Department, University Hospital of UFSC, Florianópolis, Brazil
| | - Robert Konrat
- Department of Structural and Computational Biology, Max Perutz Labs, Vienna Biocenter Campus 5, 1030, Vienna, Austria
| | - Don J Mahad
- Centre for Clinical Brain Sciences, University of Edinburgh, Chancellor's Building, 49 Little France Crescent, Edinburgh, EH16 4SB, UK
| | - Andrey V Koslov
- Ludwig Boltzmann Institute for Traumatology. The Research Center in Cooperation with AUVA, Donaueschingen Str. 13, 1200 Vienna, Austria
| | - Alexandra Latini
- LABOX, Departamento de Bioquímica, Universidade Federal de Santa Catarina, Florianópolis, SC 88037-100, Brazil
| | - Ole Isacson
- Neurodegeneration Research Institute, Harvard Medical School/McLean Hospital, Belmont, MA, 02478, USA
| | - Tibor Harkany
- Department of Molecular Neurosciences, Center for Brain Research, Medical University of Vienna, Vienna, Austria
- Department of Neuroscience, Biomedicum 7D, Karolinska Institute, Solna, Sweden
| | - Penelope J Hallett
- Neurodegeneration Research Institute, Harvard Medical School/McLean Hospital, Belmont, MA, 02478, USA
| | - Stefan Bagby
- Department of Biology and Biochemistry and the Milner Centre for Evolution, University of Bath, Bath, UK
| | - Clifford J Woolf
- FM Kirby Neurobiology Center, Boston Children's Hospital, Boston, MA 02115, USA and Department of Neurobiology, Harvard Medical School, Boston, MA 02115, USA
| | - Keith M Channon
- Division of Cardiovascular Medicine, British Heart Foundation Centre of Research Excellence, John Radcliffe Hospital, University of Oxford, Oxford, OX3 9DU, UK
| | - Hyunsoo Shawn Je
- Signature Program in Neuroscience and Behavioural Disorders, Duke-National University of Singapore (NUS) Medical School, 8 College Road, Singapore, 169857, Singapore
| | - Josef M Penninger
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Vienna BioCenter (VBC), Dr. Bohr-Gasse 3, 1030 Vienna, Austria
- Department of Medical Genetics, Life Sciences Institute, University of British Columbia, Vancouver, Canada
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Wang M, Zhang H, Liang J, Huang J, Chen N. Exercise suppresses neuroinflammation for alleviating Alzheimer's disease. J Neuroinflammation 2023; 20:76. [PMID: 36935511 PMCID: PMC10026496 DOI: 10.1186/s12974-023-02753-6] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Accepted: 02/28/2023] [Indexed: 03/21/2023] Open
Abstract
Alzheimer's disease (AD) is a chronic neurodegenerative disease, with the characteristics of neurofibrillary tangle (NFT) and senile plaque (SP) formation. Although great progresses have been made in clinical trials based on relevant hypotheses, these studies are also accompanied by the emergence of toxic and side effects, and it is an urgent task to explore the underlying mechanisms for the benefits to prevent and treat AD. Herein, based on animal experiments and a few clinical trials, neuroinflammation in AD is characterized by long-term activation of pro-inflammatory microglia and the NOD-, LRR- and pyrin domain-containing protein 3 (NLRP3) inflammasomes. Damaged signals from the periphery and within the brain continuously activate microglia, thus resulting in a constant source of inflammatory responses. The long-term chronic inflammatory response also exacerbates endoplasmic reticulum oxidative stress in microglia, which triggers microglia-dependent immune responses, ultimately leading to the occurrence and deterioration of AD. In this review, we systematically summarized and sorted out that exercise ameliorates AD by directly and indirectly regulating immune response of the central nervous system and promoting hippocampal neurogenesis to provide a new direction for exploring the neuroinflammation activity in AD.
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Affiliation(s)
- Minghui Wang
- Tianjiu Research and Development Center for Exercise Nutrition and Foods, Hubei Key Laboratory of Exercise Training and Monitoring, College of Sports Medicine, Wuhan Sports University, Wuhan, 430079, China
| | - Hu Zhang
- Tianjiu Research and Development Center for Exercise Nutrition and Foods, Hubei Key Laboratory of Exercise Training and Monitoring, College of Sports Medicine, Wuhan Sports University, Wuhan, 430079, China
| | - Jiling Liang
- Tianjiu Research and Development Center for Exercise Nutrition and Foods, Hubei Key Laboratory of Exercise Training and Monitoring, College of Sports Medicine, Wuhan Sports University, Wuhan, 430079, China
| | - Jielun Huang
- Tianjiu Research and Development Center for Exercise Nutrition and Foods, Hubei Key Laboratory of Exercise Training and Monitoring, College of Sports Medicine, Wuhan Sports University, Wuhan, 430079, China
| | - Ning Chen
- Tianjiu Research and Development Center for Exercise Nutrition and Foods, Hubei Key Laboratory of Exercise Training and Monitoring, College of Sports Medicine, Wuhan Sports University, Wuhan, 430079, China.
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Costa MR, Dos Santos AYI, de Miranda TB, Aires R, de Camargo Coque A, Hurtado ECP, Bernardi MM, Pecorari VGA, Andia DC, Birbrair A, Guillemin GJ, Latini A, da Silva RA. Impact of neuroinflammation on epigenetic transcriptional control of Sonic Hedgehog members in the central nervous system. Brain Res 2023; 1799:148180. [PMID: 36463954 DOI: 10.1016/j.brainres.2022.148180] [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: 08/03/2022] [Revised: 09/14/2022] [Accepted: 11/23/2022] [Indexed: 12/03/2022]
Abstract
Sonic Hedgehog (Shh) signaling plays a critical role during central nervous system (CNS) development, and its dysregulation leads to neurological disorders. Nevertheless, little is known about Shh signaling regulation in the adult brain. Here, we investigated the contribution of DNA methylation on the transcriptional control of Shh signaling pathway members and its basal distribution impact on the brain, as well as its modulation by inflammation. The methylation status of the promoter regions of these members and the transcriptional profile of DNA-modifying enzymes (DNA Methyltransferases - DNMTs and Tet Methylcytosine Dioxygenase - TETs) were investigated in a murine model of neuroinflammation by qPCR. We showed that, in the adult brain, methylation in the CpG promoter regions of the Shh signaling pathway members was critical to determine the endogenous differential transcriptional pattern observed between distinct brain regions. We also found that neuroinflammation differentially modulates gene expression of DNA-modifying enzymes. This study reveals the basal transcriptional profile of DNMTs and TETs enzymes in the CNS and demonstrates the effect of neuroinflammation on the transcriptional control of members of the Shh Signaling pathway in the adult brain.
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Affiliation(s)
| | | | | | - Rogério Aires
- Epigenetic Study Center and Gene Regulation - CEEpiRG, Program in Environmental and Experimental Pathology, Paulista University, São Paulo 04026-002, São Paulo, Brazil
| | - Alex de Camargo Coque
- Epigenetic Study Center and Gene Regulation - CEEpiRG, Program in Environmental and Experimental Pathology, Paulista University, São Paulo 04026-002, São Paulo, Brazil
| | - Elizabeth Cristina Perez Hurtado
- Epigenetic Study Center and Gene Regulation - CEEpiRG, Program in Environmental and Experimental Pathology, Paulista University, São Paulo 04026-002, São Paulo, Brazil.
| | - Maria Martha Bernardi
- Epigenetic Study Center and Gene Regulation - CEEpiRG, Program in Environmental and Experimental Pathology, Paulista University, São Paulo 04026-002, São Paulo, Brazil
| | | | - Denise Carleto Andia
- School of Dentistry, Health Science Institute, Paulista University, São Paulo 04026-002, São Paulo, Brazil.
| | - Alexander Birbrair
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Gilles J Guillemin
- Neuroinflammation Group, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, NSW 2109, Australia.
| | - Alexandra Latini
- Bioenergetics and Oxidative Stress Lab - LABOX, Department of Biochemistry, Center for Biological Sciences, Federal University of Santa Catarina, Florianopolis, Brazil
| | - Rodrigo A da Silva
- School of Dentistry, University of Taubaté, 12020-3400 Taubaté, São Paulo, Brazil; Epigenetic Study Center and Gene Regulation - CEEpiRG, Program in Environmental and Experimental Pathology, Paulista University, São Paulo 04026-002, São Paulo, Brazil.
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Ma Y, Liu H, Wang Y, Xuan J, Gao X, Ding H, Ma C, Chen Y, Yang Y. Roles of physical exercise-induced MiR-126 in cardiovascular health of type 2 diabetes. Diabetol Metab Syndr 2022; 14:169. [PMID: 36376958 PMCID: PMC9661802 DOI: 10.1186/s13098-022-00942-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 11/04/2022] [Indexed: 11/16/2022] Open
Abstract
Although physical activity is widely recommended for preventing and treating cardiovascular complications of type 2 diabetes mellitus (T2DM), the underlying mechanisms remain unknown. MicroRNA-126 (miR-126) is an angiogenetic regulator abundant in endothelial cells (ECs) and endothelial progenitor cells (EPCs). It is primarily involved in angiogenesis, inflammation and apoptosis for cardiovascular protection. According to recent studies, the levels of miR-126 in the myocardium and circulation are affected by exercise protocol. High-intensity interval training (HIIT) or moderate-and high-intensity aerobic exercise, whether acute or chronic, can increase circulating miR-126 in healthy adults. Chronic aerobic exercise can effectively rescue the reduction of myocardial and circulating miR-126 and vascular endothelial growth factor (VEGF) in diabetic mice against diabetic vascular injury. Resistance exercise can raise circulating VEGF levels, but it may have a little influence on circulating miR-126. The Several targets of miR-126 have been suggested for cardiovascular fitness, such as sprouty-related EVH1 domain-containing protein 1 (SPRED1), phosphoinositide-3-kinase regulatory subunit 2 (PIK3R2), vascular cell adhesion molecule 1 (VCAM1), high-mobility group box 1 (HMGB1), and tumor necrosis factor receptor-associated factor 7 (TRAF7). Here, we present a comprehensive review of the roles of miR-126 and its downstream proteins as exercise mechanisms, and propose that miR-126 can be applied as an exercise indicator for cardiovascular prescriptions and as a preventive or therapeutic target for cardiovascular complications in T2DM.
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Affiliation(s)
- Yixiao Ma
- Graduate School, Wuhan Sports University, Wuhan, 430079, China
| | - Hua Liu
- Laboratory of Physical Fitness Monitoring & Chronic Disease Intervention, Wuhan Sports University, Wuhan, 430079, China
| | - Yong Wang
- Laboratory of Physical Fitness Monitoring & Chronic Disease Intervention, Wuhan Sports University, Wuhan, 430079, China
| | - Junjie Xuan
- Graduate School, Wuhan Sports University, Wuhan, 430079, China
| | - Xing Gao
- Graduate School, Wuhan Sports University, Wuhan, 430079, China
| | - Huixian Ding
- Graduate School, Wuhan Sports University, Wuhan, 430079, China
| | - Chunlian Ma
- Laboratory of Physical Fitness Monitoring & Chronic Disease Intervention, Wuhan Sports University, Wuhan, 430079, China
| | - Yanfang Chen
- Department of Pharmacology & Toxicology, Boonshoft School of Medicine, Wright State University, Dayton, OH, 45435, USA
| | - Yi Yang
- Hubei Key Laboratory of Exercise Training and Monitoring, Wuhan Sports University, Wuhan, 430079, China.
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Raharjo S, Rejeki P, Kurniawan A, Widiastuti, Taufik M, Siregar A, Harisman A, Andiana O, Hidayati H. Pattern of serum brain-derived neurotrophic factor levels after acute interval exercise versus acute continuous exercise in obese adolescent females. COMPARATIVE EXERCISE PHYSIOLOGY 2022. [DOI: 10.3920/cep220017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Obesity has been linked to lower cognitive function, while exercise is known to be beneficial in enhancing the cognitive function. Exercise is also known to increase brain-derived neurotrophic factor (BDNF), as the biological marker of cognitive function. This study aimed to analyse the pattern of serum BDNF levels after acute interval exercise (MIE) versus acute continuous exercise (MCE) in obese adolescent females. A total of 24 obese females were enrolled in this study and given acute interval exercise and acute continuous exercise with moderate intensity. The serum level of BDNF in all samples was quantified using ELISA. Statistical analysis was performed using two-way repeated measures ANOVA, and LSD post-hoc test with a 5% significance level. The results revealed pre-exercise mean serum BDNF levels of 254.17±86.90 pg/ml (Control), 263.21±79.82 pg/ml (MIE) and 266.01±33.29 pg/ml (MCE) (P=0.948). The mean serum BDNF levels at 10 min post-exercise were 248.84±44.42 pg/ml (Control), 397.00±31.36 pg/ml (MIE), and 582.82±79.24 pg/ml (MCE) (P=0.000). The mean serum BDNF levels at 6 h post-exercise were 250.05±70.44 pg/ml (Control), 344.50±68.84 pg/ml (MIE), and 364.42±100.87 pg/ml (MCE) (P=0.029). The mean serum BDNF levels at 24 h post-exercise were 244.20±48.55 pg/ml (Control), 252.49±89.11 pg/ml (MIE), and 250.99±65.86 pg/ml (MCE) (P=0.986). It was concluded that serum BDNF in obese adolescent females increased but transiently. Serum BDNF levels increased by acute exercise in both MIE and MCE at 10 min and 6 h post-exercise. However, serum BDNF level at 24 h post-exercise decreased close to the pre-exercise serum BDNF level in all groups. Further research is needed studying the effect of chronic exercise on the kinetics of serum BDNF levels in obese adolescent females.
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Affiliation(s)
- S. Raharjo
- Department of Sport Science, Faculty of Sport Science, State University of Malang, Semarang No. 5, Malang 65145, Indonesia
| | - P.S. Rejeki
- Physiology Division, Department of Medical Physiology and Biochemistry, Faculty of Medicine, Universitas Airlangga, Prof. Dr. Moestopo No. 47, Surabaya 60131, Indonesia
| | - A.W. Kurniawan
- Department of Physical Education, Health and Recreation, Faculty of Sports Sciences, State University of Malang, Semarang No. 5, Malang 65145, Indonesia
| | - Widiastuti
- Department of Sport Science, Faculty of Sport Science, State University of Jakarta, Pemuda No. 10, Jakarta 13220, Indonesia
| | - M.S. Taufik
- Department of Physical Education, Health and Recreation, Faculty of Teacher and Education, University of Suryakancana, Pasirgede Raya, Cianjur 43216, Indonesia
| | - A.H. Siregar
- Department of Physical Education, Health and Recreation, Faculty of Sports Sciences, State University of Medan, Willem Iskandar, Medan 20221, Indonesia
| | - A.S.M. Harisman
- Department of Sport Science, Faculty of Sport Science, State University of Malang, Semarang No. 5, Malang 65145, Indonesia
| | - O. Andiana
- Department of Sport Science, Faculty of Sport Science, State University of Malang, Semarang No. 5, Malang 65145, Indonesia
| | - H.B. Hidayati
- Department of Neurology, Faculty of Medicine, Universitas Airlangga, Prof. Dr. Moestopo No. 47, Surabaya 60131, Indonesia
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Gentle Touch Therapy, Pain Relief and Neuroplasticity at Baseline in Fibromyalgia Syndrome: A Randomized, Multicenter Trial with Six-Month Follow-Up. J Clin Med 2022; 11:jcm11164898. [PMID: 36013137 PMCID: PMC9410244 DOI: 10.3390/jcm11164898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 08/11/2022] [Accepted: 08/12/2022] [Indexed: 11/20/2022] Open
Abstract
Background: Fibromyalgia (FM) is considered a stress-related disorder characterized mainly by chronic widespread pain. Its pathogenesis is unknown, but cumulative evidence points at dysfunctional transmitter systems and inflammatory biomarkers that may underlie the major symptoms of the condition. This study aimed to evaluate pain scores (primary outcome), quality of life, inflammatory biomarkers and neurotransmitter systems in women with FM (secondary outcomes) subjected to gentle touch therapy (GTT) or placebo. Methods: A total of 64 female patients with FM were randomly assigned to two groups, namely GTT (n = 32) or Placebo (n = 32). Clinical assessments were conducted at baseline and post-intervention with six-month follow-up. We measured serum catecholamines (dopamine), indolamines and intermediary metabolites (serotonin or 5-hydroxyindolacetic acid (5-HIAA)), as well as tetrahydrobiopterin (BH4), which is a cofactor for the synthesis of neurotransmitters and inflammatory biomarkers in women with FM. A group of healthy individuals with no intervention (control group) was used to compare biochemical measurements. Intervention effects were analyzed using repeated measures (RM) two-way ANOVA followed by Bonferroni post hoc test and mixed ANCOVA model with intention to treat. Results: Compared to placebo, the GTT group presented lower pain scores and brain-derived neurotrophic factor (BDNF) levels without altering the quality of life of women with FM. Changes in BDNF had a mediating role in pain. Higher baseline serum BDNF and 5-HIAA or those with a history of anxiety disorder showed a higher reduction in pain scores across time. However, women with higher serum dopamine levels at baseline showed a lower effect of the intervention across the observation period revealed by an ANCOVA mixed model. Conclusions: In conclusion, lower pain scores were observed in the GTT group compared to the placebo group without altering the quality of life in women with FM. Reductions in BDNF levels could be a mechanism of FM pain status improvement. In this sense, the present study encourages the use of these GTT techniques as an integrative and complementary treatment of FM.
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Physical-Exercise-Induced Antioxidant Effects on the Brain and Skeletal Muscle. Antioxidants (Basel) 2022; 11:antiox11050826. [PMID: 35624690 PMCID: PMC9138070 DOI: 10.3390/antiox11050826] [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: 03/31/2022] [Revised: 04/18/2022] [Accepted: 04/19/2022] [Indexed: 02/06/2023] Open
Abstract
Erythroid-related nuclear factor 2 (NRF2) and the antioxidant-responsive-elements (ARE) signaling pathway are the master regulators of cell antioxidant defenses, playing a key role in maintaining cellular homeostasis, a scenario in which proper mitochondrial function is essential. Increasing evidence indicates that the regular practice of physical exercise increases cellular antioxidant defenses by activating NRF2 signaling. This manuscript reviewed classic and ongoing research on the beneficial effects of exercise on the antioxidant system in both the brain and skeletal muscle.
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Ugurlu I, Baltaci SB, Unal O, Mogulkoc R, Ucaryilmaz H, Baltaci AK. Chronic Running Exercise Regulates Cytotoxic Cell Functions and Zinc Transporter SLC39A10/ZIP10 Levels in Diabetic Rats. Biol Trace Elem Res 2022; 200:699-705. [PMID: 33742346 DOI: 10.1007/s12011-021-02680-8] [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: 03/01/2021] [Accepted: 03/15/2021] [Indexed: 11/26/2022]
Abstract
The aim of this study is to investigate how chronic running exercise affects ZIP10 levels in thymus and spleen tissue as well as immune parameters in diabetic rats. A total of 40 adult male Wistar rats were divided into 4 equal groups: group 1, control; group 2, exercise control; group 3, diabetes; group 4, diabetes + exercise. Diabetes was induced by injecting intraperitoneal streptozotocin (STZ) at a dose of 40 mg/kg twice with 24-h intervals to the animals in groups 3 and 4. The animals in group 2 and group 4 underwent exercise for 45 min on the rat treadmill for 4 weeks at 20 m/min. Twenty-four hours after the last running exercise, the animals were sacrificed under general anesthesia. Immunological parameters were determined by flow cytometric method; tissue ZIP 10 levels were determined by ELISA method. The diabetic group had the lowest natural killer (NK) and natural killer T (NKT) cells percentages. Chronic exercise partially improved NK and NKT cell percentages in diabetic rats. The diabetic group had the lowest ZIP10 levels in spleen and thymus tissue. ZIP10 values in spleen and thymus tissue of diabetes exercise group were significantly higher than diabetes group. The results of our study show that the impaired cytotoxic cell functions in diabetes are partially corrected with 4 weeks of chronic exercise, and that the suppressed ZIP 10 levels in diabetic rats are reversed by 4 weeks of chronic exercise.
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Affiliation(s)
- Ibrahim Ugurlu
- Vocational School of Health Services, Selcuk University, Konya, Turkey
| | | | - Omer Unal
- Medical Faculty, Department of Physiology, Selcuk University, Konya, Turkey
| | - Rasim Mogulkoc
- Medical Faculty, Department of Physiology, Selcuk University, Konya, Turkey
| | - Hulya Ucaryilmaz
- Medical Faculty Department of Medical Biology, Selcuk University, Konya, Turkey
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Scheffer DDL, Freitas FC, Aguiar AS, Ward C, Guglielmo LGA, Prediger RD, Cronin SJF, Walz R, Andrews NA, Latini A. Impaired dopamine metabolism is linked to fatigability in mice and fatigue in Parkinson's disease patients. Brain Commun 2021; 3:fcab116. [PMID: 34423297 PMCID: PMC8374980 DOI: 10.1093/braincomms/fcab116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 04/18/2021] [Accepted: 04/26/2021] [Indexed: 11/21/2022] Open
Abstract
Fatigue is a common symptom of Parkinson’s disease that compromises significantly the patients’ quality of life. Despite that, fatigue has been under-recognized as symptom, its pathophysiology remains poorly understood, and there is no adequate treatment so far. Parkinson’s disease is characterized by the progressive loss of midbrain dopaminergic neurons, eliciting the classical motor symptoms including slowing of movements, muscular rigidity and resting tremor. The dopamine synthesis is mediated by the rate-limiting enzyme tyrosine hydroxylase, which requires tetrahydrobiopterin as a mandatory cofactor. Here, we showed that reserpine administration (1 mg/kg, two intraperitoneal injections with an interval of 48 h) in adult Swiss male mice (8–10 weeks; 35–45 g) provoked striatal depletion of dopamine and tetrahydrobiopterin, and intolerance to exercise. The poor exercise performance of reserpinized mice was not influenced by emotional or anhedonic factors, mechanical nociceptive thresholds, electrocardiogram pattern alterations or muscle-impaired bioenergetics. The administration of levodopa (100 mg/kg; i.p.) plus benserazide (50 mg/kg; i.p.) rescued reserpine-induced fatigability-like symptoms and restored striatal dopamine and tetrahydrobiopterin levels. Remarkably, it was observed, for the first time, that impaired blood dopamine metabolism inversely and idependently correlated with fatigue scores in eighteen idiopathic Parkinson’s disease patients (male n = 13; female n = 5; age 61.3 ± 9.59 years). Altogether, this study provides new experimental and clinical evidence that fatigue symptoms might be caused by the impaired striatal dopaminergic neurotransmission, pointing to a central origin of fatigue in Parkinson’s disease.
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Affiliation(s)
- Débora da Luz Scheffer
- LABOX, Departamento de Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianópolis, SC 88040-900, Brazil
| | - Fernando Cini Freitas
- Graduate Program in Medical Sciences, University Hospital, Universidade Federal de Santa Catarina, Florianópolis, SC 88040-900, Brazil.,Neurology Division, Hospital Governador Celso Ramos, Florianópolis, SC 88015-270, Brazil
| | - Aderbal Silva Aguiar
- LABOX, Departamento de Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianópolis, SC 88040-900, Brazil
| | - Catherine Ward
- Kirby Neurobiology Center, Boston Children's Hospital and Department of Neurobiology, Harvard Medical School, Boston, MA 02115, USA
| | | | - Rui Daniel Prediger
- Departamento de Farmacologia, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianópolis, SC 88040-900, Brazil
| | - Shane J F Cronin
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences, A-1090 Vienna, Austria
| | - Roger Walz
- Graduate Program in Medical Sciences, University Hospital, Universidade Federal de Santa Catarina, Florianópolis, SC 88040-900, Brazil.,Center for Applied Neuroscience, University Hospital, Universidade Federal de Santa Catarina, Florianópolis, SC 88040-900, Brazil.,Neurology Division, Departament of Internal Medicine, University Hospital, Universidade Federal de Santa Catarina, Florianópolis, SC 88040-900, Brazil
| | - Nick A Andrews
- Kirby Neurobiology Center, Boston Children's Hospital and Department of Neurobiology, Harvard Medical School, Boston, MA 02115, USA.,The Salk in Institute for Biological Studies, La Jolla, CA 92037, USA
| | - Alexandra Latini
- LABOX, Departamento de Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianópolis, SC 88040-900, Brazil.,Kirby Neurobiology Center, Boston Children's Hospital and Department of Neurobiology, Harvard Medical School, Boston, MA 02115, USA
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11
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Buchmann Godinho D, da Silva Fiorin F, Schneider Oliveira M, Furian AF, Rechia Fighera M, Freire Royes LF. The immunological influence of physical exercise on TBI-induced pathophysiology: Crosstalk between the spleen, gut, and brain. Neurosci Biobehav Rev 2021; 130:15-30. [PMID: 34400178 DOI: 10.1016/j.neubiorev.2021.08.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 08/04/2021] [Accepted: 08/08/2021] [Indexed: 12/16/2022]
Abstract
Traumatic brain injury (TBI) is a non-degenerative and non-congenital insult to the brain and is recognized as a global public health problem, with a high incidence of neurological disorders. Despite the causal relationship not being entirely known, it has been suggested that multiorgan inflammatory response involving the autonomic nervous system and the spleen-gut brain axis dysfunction exacerbate the TBI pathogenesis in the brain. Thus, applying new therapeutic tools, such as physical exercise, have been described in the literature to act on the immune modulation induced by brain injuries. However, there are caveats to consider when interpreting the effects of physical exercise on this neurological injury. Given the above, this review will highlight the main findings of the literature involving peripheral immune responses in TBI-induced neurological damage and how changes in the cellular metabolism of the spleen-gut brain axis elicited by different protocols of physical exercise alter the pathophysiology induced by this neurological injury.
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Affiliation(s)
- Douglas Buchmann Godinho
- Laboratório de Bioquímica do Exercício, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil; Programa de Pós-Graduação em Bioquímica Toxicológica, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Fernando da Silva Fiorin
- Programa de Pós-Graduação em Neuroengenharia, Instituto Internacional de Neurociências Edmond e Lily Safra, Instituto Santos Dumont, Macaíba, RN, Brazil
| | - Mauro Schneider Oliveira
- Centro de Ciências da Saúde, Programa de Pós-Graduação em Farmacologia, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Ana Flavia Furian
- Centro de Ciências da Saúde, Programa de Pós-Graduação em Farmacologia, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Michele Rechia Fighera
- Laboratório de Bioquímica do Exercício, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil; Centro de Ciências da Saúde, Departamento de Clínica Médica e Pediatria, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
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12
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Espíndola G, Scheffer DDL, Latini A. Commentary: Urinary Neopterin, a New Marker of the Neuroinflammatory Status in Amyotrophic Lateral Sclerosis. Front Neurosci 2021; 15:645694. [PMID: 33833664 PMCID: PMC8021780 DOI: 10.3389/fnins.2021.645694] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Accepted: 02/11/2021] [Indexed: 12/30/2022] Open
Affiliation(s)
- Gisele Espíndola
- Laboratório de Bioenergética e Estresse Oxidativo, Departamento de Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianópolis, Brazil.,Ambulatório de Doenças Neuromusculares e Neurogenéticas Hospital Universitário Polydoro Ernani de São Thiago, Universidade Federal de Santa Catarina, Florianópolis, Brazil.,Programa de Pós-Graduação em Ciências Médicas, Universidade Federal de Santa Catarina, Florianópolis, Brazil
| | - Débora da Luz Scheffer
- Laboratório de Bioenergética e Estresse Oxidativo, Departamento de Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianópolis, Brazil
| | - Alexandra Latini
- Laboratório de Bioenergética e Estresse Oxidativo, Departamento de Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianópolis, Brazil
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13
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Chen CW, Kuo YC, How CK, Juan CC. Long-term aerobic exercise training-induced anti-inflammatory response and mechanisms: Focusing on the toll-like receptor 4 signaling pathway. CHINESE J PHYSIOL 2021; 63:250-255. [PMID: 33380609 DOI: 10.4103/cjp.cjp_78_20] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Toll-like receptor 4 (TLR-4), which regulate inflammatory reactions, has become a popular research topic in recent years. This article reviews the latest scientific evidence on the regulation of TLR-4 by regular aerobic exercise training. The literature shows that long-term regular aerobic exercise training can effectively attenuate the expression of TLR-4 in immune cells and regulate its downstream intracellular cascade, including the p38 and PI3K/Akt signaling pathways. This further reduces cytokines secretion by inflammatory cells, which enhances immune system. We consider that the scientific evidence that long-term aerobic exercise training improves the inflammatory response provides a reasonable basis for using aerobic exercise training as a treatment for patients.
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Affiliation(s)
- Chien-Wei Chen
- College of Human Development and Health, National Taipei University of Nursing and Health Sciences, Taipei, Taiwan
| | - Yu-Chi Kuo
- College of Human Development and Health; Department of Exercise and Health Science, National Taipei University of Nursing and Health Sciences, Taipei, Taiwan
| | - Chorng-Kuang How
- Department of Emergency, Taipei Veterans General Hospital; Department of Emergency Medicine, School of Medicine, National Yang-Ming University, Taipei; Kinmen Hospital, Ministry of Health and Welfare, Kinmen, Taiwan
| | - Chi-Chang Juan
- Department of Physiology, School of Medicine, National Yang-Ming University; Department of Medical Research and Education, Taipei Veterans General Hospital, Taipei, Taiwan
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14
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Skarpańska-Stejnborn A, Cieślicka M, Dziewiecka H, Kujawski S, Marcinkiewicz A, Trzeciak J, Basta P, Maciejewski D, Latour E. Effects of Long-Term Supplementation of Bovine Colostrum on the Immune System in Young Female Basketball Players. Randomized Trial. Nutrients 2020; 13:nu13010118. [PMID: 33396972 PMCID: PMC7823942 DOI: 10.3390/nu13010118] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Revised: 12/20/2020] [Accepted: 12/27/2020] [Indexed: 11/16/2022] Open
Abstract
An intensive physical exercise program could lead to a decrease in immune system function. Effects of long-term supplementation of bovine colostrum on the response of immune function on physical exercise test in athletes were examined. Twenty-seven elite female basketball players (age 16–19) were randomly assigned to either an experimental group or a control group. Eventually, n = 11 athletes completed intervention in the experimental group (3.2 g bovine colostrum orally twice a day for 24 weeks), while n = 9 athletes in the control group were given a placebo. Before the supplementation, after 3 and 6 months, subjects performed the physical exercise stress test. Before, just after, and 3 h after physical exercise testing, blood was drawn and immune system indicators were examined. Plasma interleukin (IL)-1alpha, IL-2, IL-10, IL-13, tumor necrosis factor (TNF) alpha, creatine kinase (CK MM), immunoglobulin G (IgG), insulin-like growth factor 1 (IGF1), and WBC, lymphocyte (LYM), monocyte (MON), and granulocyte (GRA) were measured. A statistically significant change in IL-10 in response to the exercise program during the supplementation period in both groups was observed (p = 0.01). However, the results of the rest of the comparisons were statistically insignificant (p > 0.05). Contrary to our initial hypothesis, there were no significant effects of bovine supplementation on the dynamics of immune system function indicators.
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Affiliation(s)
- Anna Skarpańska-Stejnborn
- Department of Biological Sciences, Faculty of Physical Culture in Gorzow Wielkopolski, Poznan University of Physical Education, Estkowskiego 13, 66-400 Gorzów Wielkopolski, Poland;
- Correspondence:
| | - Mirosława Cieślicka
- Department of Physiology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, M. Sklodowskiej-Curie 9, 85-094 Bydgoszcz, Poland;
| | - Hanna Dziewiecka
- Department of Biological Sciences, Faculty of Physical Culture in Gorzow Wielkopolski, Poznan University of Physical Education, Estkowskiego 13, 66-400 Gorzów Wielkopolski, Poland;
| | - Sławomir Kujawski
- Department of Hygiene, Epidemiology, Ergonomy and Postgraduate Education, Ludwik Rydygier Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, M. Sklodowskiej-Curie 9, 85-094 Bydgoszcz, Poland;
| | - Anita Marcinkiewicz
- Central Research Laboratory, Faculty of Physical Culture in Gorzow Wielkopolski, Poznan University of Physical Education, Estkowskiego 13, 66-400 Gorzów Wielkopolski, Poland; (A.M.); (J.T.)
| | - Jerzy Trzeciak
- Central Research Laboratory, Faculty of Physical Culture in Gorzow Wielkopolski, Poznan University of Physical Education, Estkowskiego 13, 66-400 Gorzów Wielkopolski, Poland; (A.M.); (J.T.)
| | - Piotr Basta
- Department of Physical Education and Sport, Faculty of Physical Culture in Gorzow Wielkopolski, Poznan University of Physical Education, Estkowskiego 13, 66-400 Gorzów Wielkopolski, Poland; (P.B.); (D.M.)
| | - Dariusz Maciejewski
- Department of Physical Education and Sport, Faculty of Physical Culture in Gorzow Wielkopolski, Poznan University of Physical Education, Estkowskiego 13, 66-400 Gorzów Wielkopolski, Poland; (P.B.); (D.M.)
| | - Ewa Latour
- Department of Physiotherapy, Faculty of Physical Culture in Gorzow Wielkopolski, Poznan University of Physical Education, Estkowskiego 13, 66-400 Gorzów Wielkopolski, Poland;
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15
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Scheffer DDL, Latini A. Exercise-induced immune system response: Anti-inflammatory status on peripheral and central organs. Biochim Biophys Acta Mol Basis Dis 2020; 1866:165823. [PMID: 32360589 PMCID: PMC7188661 DOI: 10.1016/j.bbadis.2020.165823] [Citation(s) in RCA: 170] [Impact Index Per Article: 42.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Revised: 04/07/2020] [Accepted: 04/25/2020] [Indexed: 12/13/2022]
Abstract
A wide array of molecular pathways has been investigated during the past decade in order to understand the mechanisms by which the practice of physical exercise promotes neuroprotection and reduces the risk of developing communicable and non-communicable chronic diseases. While a single session of physical exercise may represent a challenge for cell homeostasis, repeated physical exercise sessions will improve immunosurveillance and immunocompetence. Additionally, immune cells from the central nervous system will acquire an anti-inflammatory phenotype, protecting central functions from age-induced cognitive decline. This review highlights the exercise-induced anti-inflammatory effect on the prevention or treatment of common chronic clinical and experimental settings. It also suggests the use of pterins in biological fluids as sensitive biomarkers to follow the anti-inflammatory effect of physical exercise.
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Affiliation(s)
- Débora da Luz Scheffer
- Laboratório de Bioenergética e Estresse Oxidativo, Departamento de Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil.
| | - Alexandra Latini
- Laboratório de Bioenergética e Estresse Oxidativo, Departamento de Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil
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16
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Caffeine Consumption plus Physical Exercise Improves Behavioral Impairments and Stimulates Neuroplasticity in Spontaneously Hypertensive Rats (SHR): an Animal Model of Attention Deficit Hyperactivity Disorder. Mol Neurobiol 2020; 57:3902-3919. [PMID: 32621279 DOI: 10.1007/s12035-020-02002-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Accepted: 06/26/2020] [Indexed: 12/15/2022]
Abstract
Attention deficit hyperactivity disorder (ADHD) is a prevalent and disabling disorder, mainly characterized by hyperactivity, inattention, and impulsivity, but also by olfactory and memory impairments that frequently persist throughout lifetime. The pathophysiology of ADHD is complex, involving several brain regions and neural pathways including alterations in adenosine neuromodulation. The administration of caffeine (a non-selective adenosine receptor antagonist) and physical exercise have been independently pointed as effective approaches for the management of ADHD symptoms. Here, we evaluated the effects of caffeine consumption (0.3 mg/mL in drinking water) plus physical exercise in running wheels during 6 weeks-starting during either adolescence (30 days old) or adulthood (4-5 months old)-on behavioral performance (including olfactory discrimination, open field, object recognition, and water maze tests) on the brain levels of monoamines (by high-performance liquid chromatography), on proteins related to synaptic plasticity and on brain-derived neurotrophic factor signaling (by Western blot analysis) in spontaneously hypertensive rats (SHRs), a validated animal model of ADHD. SHRs displayed persistent impairments of olfactory and short-term recognition memory from adolescence to adulthood, which were accompanied by lower levels of synaptosomal-associated protein 25 (SNAP-25) in the prefrontal cortex and hippocampus. The association of caffeine plus physical exercise during adolescence or adulthood restored the olfactory discrimination ability and, in an independent manner, improved short-term recognition memory of SHRs. These benefits were not associated to alterations in locomotor activity or in the hypertensive phenotype. The association of caffeine consumption plus physical exercise during adolescence increased the levels of SNAP-25, syntaxin, and serotonin in the hippocampus and prefrontal cortex, and striatal dopamine levels in SHRs. These results provide new evidence of the potential of caffeine and physical exercise, starting at adolescence or adult life, to improve behavioral impairments and stimulate neuroplasticity in ADHD.
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