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de Gregório E, Mendes GC, Somensi LB, Freire CG, Lopes LF, Lima KR, Carrazoni GS, Neves BHS, Picua SS, da Silva LM, Mello-Carpes PB, Bonini JS, da Silva WC. Neuroprotective effects of strength training in a neuroinflammatory animal model. BMC Neurosci 2022; 23:22. [PMID: 35410134 PMCID: PMC8996658 DOI: 10.1186/s12868-022-00708-w] [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: 10/29/2021] [Accepted: 03/29/2022] [Indexed: 11/14/2022] Open
Abstract
Background The preventive role of muscular strength on diminishing neuroinflammation is yet unknown. In this study, the role of the prophylactic muscular strength exercise was investigated in order to verify whether it would diminish cognitive alterations and modify the antioxidant intracellular scenery in an animal neuroinflammatory model in of the CA1 region of the hippocampus. Methods The animals received muscular strength training (SE) three times a week for eight weeks. Subsequently, the stereotaxic surgery was performed with an intra-hippocampal infusion of either saline solution (SAL) or lipopolysaccharide (LPS). Next, we performed the behavioral tests: object recognition and social recognition. Then, the animals were euthanized, and their hippocampus and prefrontal cortex were collected. In another moment, we performed the dosage of the antioxidant activity and histological analysis. Results The results showed that the muscular strength exercises could show a beneficial prophylactic effect in the cognitive deficiencies caused by acute neuroinflammation. Regarding oxidative stress, there was an increase in catalase enzyme activity (CAT) in the group (SE + LPS) compared to the control groups (p < 0.05). As for the cognitive alterations, there were found in the (SE + LPS) group, diminishing the mnemonic hazard of the discriminative and social memories compared to the control groups (p < 0.05). Conclusion We concluded, therefore, that the exercise performed prophylactically presents a protective effect capable of minimizing such mnemonic deficits and increasing catalase enzyme activity in rats that suffered a local neuroinflammatory process in the hippocampus. Supplementary Information The online version contains supplementary material available at 10.1186/s12868-022-00708-w.
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Affiliation(s)
- Elizama de Gregório
- Department of Medicine, Postgraduate Program in Development and Society (PPGDS), University of Alto Vale Do Rio Do Peixe (UNIARP), Caçador, SC, Brazil. .,Postgraduate Program in Physiology, Physiology Department, Federal University of Rio Grande Do Sul (UFRGS), Porto Alegre, RS, Brazil.
| | - Gabriela Cristiane Mendes
- Physiology Research Group, Stress, Memory and Behavior Lab, Federal University of Pampa, Uruguaiana, RS, Brazil
| | - Lincon Bordignon Somensi
- Department of Medicine, Postgraduate Program in Development and Society (PPGDS), University of Alto Vale Do Rio Do Peixe (UNIARP), Caçador, SC, Brazil
| | - Cassio Geremia Freire
- Department of Medicine, Postgraduate Program in Development and Society (PPGDS), University of Alto Vale Do Rio Do Peixe (UNIARP), Caçador, SC, Brazil
| | - Luiza Freitas Lopes
- Physiology Research Group, Stress, Memory and Behavior Lab, Federal University of Pampa, Uruguaiana, RS, Brazil
| | - Karine Ramires Lima
- Physiology Research Group, Stress, Memory and Behavior Lab, Federal University of Pampa, Uruguaiana, RS, Brazil
| | - Guilherme Salgado Carrazoni
- Physiology Research Group, Stress, Memory and Behavior Lab, Federal University of Pampa, Uruguaiana, RS, Brazil
| | - Ben-Hur Souto Neves
- Physiology Research Group, Stress, Memory and Behavior Lab, Federal University of Pampa, Uruguaiana, RS, Brazil
| | - Steffanie Severo Picua
- Physiology Research Group, Stress, Memory and Behavior Lab, Federal University of Pampa, Uruguaiana, RS, Brazil
| | - Luisa Mota da Silva
- Postgraduate Program in Pharmaceutical Sciences (PPGCF), Center for Chemical-Pharmaceutical Research (NIQFAR), University of Vale Do Itajaí (UNIVALI), Itajaí, SC, Brazil
| | - Pamela Billig Mello-Carpes
- Physiology Research Group, Stress, Memory and Behavior Lab, Federal University of Pampa, Uruguaiana, RS, Brazil.,Postgraduate Program in Physiology, Physiology Department, Federal University of Rio Grande Do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Juliana Sartori Bonini
- Laboratory of Neuropsychopharmacology, Pharmacy, Department, State University of Midwest of Paraná, Guarapuava, PR, Brazil
| | - Weber Claudio da Silva
- Laboratory of Neuropsychopharmacology, Pharmacy, Department, State University of Midwest of Paraná, Guarapuava, PR, Brazil.,Postgraduate Program in Physiology, Physiology Department, Federal University of Rio Grande Do Sul (UFRGS), Porto Alegre, RS, Brazil
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Ranjbar K, Zarrinkalam E, Asl SS, Salehi I, Taheri M, Komaki A. The effect of different exercise training modes on dentate gyrus neurodegeneration and synaptic plasticity in morphine-dependent rats. Neurochem Int 2022; 155:105304. [DOI: 10.1016/j.neuint.2022.105304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 02/02/2022] [Accepted: 02/12/2022] [Indexed: 11/24/2022]
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Mazen NF, Abdel‐Fattah EA, Desoky SR, El‐Shal AS. Therapeutic role of adipose tissue-derived stem cells versus microvesicles in a rat model of cerebellar injury. J Cell Mol Med 2022; 26:326-342. [PMID: 34874117 PMCID: PMC8743657 DOI: 10.1111/jcmm.17083] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 11/10/2021] [Accepted: 11/17/2021] [Indexed: 12/12/2022] Open
Abstract
Monosodium glutamate (MSG) is a controversial food additive reported to cause negative effects on public health. Adipose stem cells (ASCs) and their derived vesicles (MVs) represent a promising cure for human diseases. This work was planned to compare the therapeutic effects of adipose stem cells and microvesicles in MSG-induced cerebellar damage. Forty adult healthy male Wister rats were equally divided into four groups: Group I (control group), group II (MSG-treated), group III (MSG/ASCs-treated), and group IV (MSG/MVs-treated). Motor behaviour of rats was assessed. Characterization of ASCs and MVs was done by flow cytometry. The cerebellum was processed for light and electron microscopic studies, and immunohistochemical localization of PCNA and GFAP. Morphometry was done for the number of Purkinje cells in H&E-stained sections, area per cent of GFAP immune reactivity and number of positive PCNA cells. Our results showed MSG-induced deterioration in the motor part. Moreover, MSG increases oxidant and apoptotic with decreases of antioxidant biomarkers. Structural changes in the cerebellar cortex as degeneration of nerve cells and gliosis were detected. There were also a decrease in the number of Purkinje cells, an increase in the area per cent of GFAP immune reactivity and a decrease in the number of positive PCNA cells, as compared to the control. Rats treated with ASCs showed marked functional and structural improvement in comparison with MV-treated rats. Thus, both ASCs and MVs had therapeutic potential for MSG-induced cerebellar damage with better results in case of ASCs.
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Affiliation(s)
- Nehad F. Mazen
- Medical Histology and Cell Biology DepartmentFaculty of MedicineZagazig UniversityZagazigEgypt
| | - Eman A. Abdel‐Fattah
- Medical Histology and Cell Biology DepartmentFaculty of MedicineZagazig UniversityZagazigEgypt
| | - Shimaa R. Desoky
- Histology and Cell Biology DepartmentFaculty of MedicineSuez UniversityIsmailiaEgypt
| | - Amal S. El‐Shal
- Medical Biochemistry & Molecular Biology DepartmentFaculty of Human MedicineZagazig UniversityZagazigEgypt
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Kelty TJ, Mao X, Kerr NR, Childs TE, Ruegsegger GN, Booth FW. Resistance-exercise training attenuates LPS-induced astrocyte remodeling and neuroinflammatory cytokine expression in female Wistar rats. J Appl Physiol (1985) 2021; 132:317-326. [PMID: 34941437 DOI: 10.1152/japplphysiol.00571.2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Neuroinflammation is an early detectable marker of mild cognitive impairment, the transition state between normal cognition and dementia. Resistance-exercise training can attenuate the cognitive decline observed in patients with mild cognitive impairment. However, the underlying mechanisms of resistance training effects are largely unknown. To further elucidate mechanisms of the known cognitive health benefits from resistance-exercise training, we tested if three weeks of resistance-exercise training could ameliorate lipopolysaccharide-induced neuroinflammation. Five-week-old female Wistar rats received intracerebroventricular injections of lipopolysaccharides to induce neuroinflammation and cognitive impairment. Rats then underwent three weeks of progressive ladder climbing to recapitulate resistance-exercise training in humans. Cognition was assessed towards the end of the training period by novelty object recognition testing. Neuroinflammation was measured one and 24-hours after the last resistance-exercise training workout. Resistance-exercise training ameliorated cognitive impairment, diminished lipopolysaccharide-induced neuroinflammatory cytokine expression, and attenuated astrocyte remodeling in the dentate gyrus 24-hours post exercise. Here, we provide evidence that the ladder-climbing model of resistance-exercise training in rats can improve cognition as early as three weeks. Additionally, these data support the hypothesis that resistance exercise can reduce lipopolysaccharide-induced neuroinflammation in the dentate gyrus.
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Affiliation(s)
- Taylor J Kelty
- Department of Biomedical Sciences, University of Missouri, Columbia, MO, United States
| | - Xuansong Mao
- Department of Biomedical Sciences, University of Missouri, Columbia, MO, United States
| | - Nathan R Kerr
- Department of Biomedical Sciences, University of Missouri, Columbia, MO, United States
| | - Thomas E Childs
- Department of Biomedical Sciences, University of Missouri, Columbia, MO, United States
| | - Gregory N Ruegsegger
- Department of Health and Human Performance, University of Wisconsin-River Falls, River Falls, WI, United States
| | - Frank W Booth
- Department of Biomedical Sciences, University of Missouri, Columbia, MO, United States.,Department of Nutrition and Exercise Physiology, University of Missouri, Columbia, MO, United States.,Department of Medical Pharmacology and Physiology, University of Missouri, Columbia, MO, United States.,Dalton Cardiovascular Research Center, University of Missouri, Columbia, MO, United States
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Duggan MR, Parikh V. Microglia and modifiable life factors: Potential contributions to cognitive resilience in aging. Behav Brain Res 2021; 405:113207. [PMID: 33640394 PMCID: PMC8005490 DOI: 10.1016/j.bbr.2021.113207] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 01/27/2021] [Accepted: 02/20/2021] [Indexed: 02/08/2023]
Abstract
Given the increasing prevalence of age-related cognitive decline, it is relevant to consider the factors and mechanisms that might facilitate an individual's resiliency to such deficits. Growing evidence suggests a preeminent role of microglia, the prime mediator of innate immunity within the central nervous system. Human and animal investigations suggest aberrant microglial functioning and neuroinflammation are not only characteristic of the aged brain, but also might contribute to age-related dementia and Alzheimer's Disease. Conversely, accumulating data suggest that modifiable lifestyle factors (MLFs), such as healthy diet, exercise and cognitive engagement, can reliably afford cognitive benefits by potentially suppressing inflammation in the aging brain. The present review highlights recent advances in our understanding of the role for microglia in maintaining brain homeostasis and cognitive functioning in aging. Moreover, we propose an integrated, mechanistic model that postulates an individual's resiliency to cognitive decline afforded by MLFs might be mediated by the mitigation of aberrant microglia activation in aging, and subsequent suppression of neuroinflammation.
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Affiliation(s)
- Michael R Duggan
- Department of Psychology and Neuroscience Program, Temple University, Philadelphia, PA, 19122, United States
| | - Vinay Parikh
- Department of Psychology and Neuroscience Program, Temple University, Philadelphia, PA, 19122, United States.
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Effects of Resistance Exercise on Cerebral Redox Regulation and Cognition: An Interplay Between Muscle and Brain. Antioxidants (Basel) 2019; 8:antiox8110529. [PMID: 31698763 PMCID: PMC6912783 DOI: 10.3390/antiox8110529] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 10/31/2019] [Accepted: 11/05/2019] [Indexed: 01/08/2023] Open
Abstract
This review highlighted resistance training as an important training type for the brain. Most studies that use physical exercise for the prevention or treatment of neurodegenerative diseases have focused on aerobic physical exercise, revealing different behavioral, biochemical, and molecular effects. However, recent studies have shown that resistance training can also significantly contribute to the prevention of neurodegenerative diseases as well as to the maintenance, development, and recovery of brain activities through specific neurochemical adaptations induced by the training. In this scenario we observed the results of several studies published in different journals in the last 20 years, focusing on the effects of resistance training on three main neurological aspects: Neuroprotective mechanisms, oxidative stress, and cognition. Systematic database searches of PubMed, Web of Science, Scopus, and Medline were performed to identify peer-reviewed studies from the 2000s. Combinations of keywords related to brain disease, aerobic/resistance, or strength physical exercise were used. Other variables were not addressed in this review but should be considered for a complete understanding of the effects of training in the brain.
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Butanol Extract of Tinospora cordifolia Ameliorates Cognitive Deficits Associated with Glutamate-Induced Excitotoxicity: A Mechanistic Study Using Hippocampal Neurons. Neuromolecular Med 2019; 22:81-99. [DOI: 10.1007/s12017-019-08566-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Accepted: 08/21/2019] [Indexed: 01/08/2023]
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Quines CB, Jardim NS, Araujo PCO, Cechella JL, Prado VC, Nogueira CW. Resistance training restores metabolic alterations induced by monosodium glutamate in a sex-dependent manner in male and female rats. J Cell Biochem 2019; 120:13426-13440. [PMID: 30916837 DOI: 10.1002/jcb.28617] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2018] [Revised: 01/14/2019] [Accepted: 01/28/2019] [Indexed: 01/07/2023]
Abstract
Despite resistance exercises being associated with health outcomes, numerous issues are still unresolved and further research is required before the exercise can faithfully be prescribed as medicine. The goal of this study was to investigate whether there are sex differences in resistance training effects on metabolic alterations induced by monosodium glutamate (MSG), a model of obesity, in male and female rats. Male and female Wistar rats received MSG (4 g/kg body weight/day, s.c.) from postnatal day 1 to 10. After 10 days from MSG administration, the rats were separated into two groups: MSG-sedentary and MSG-exercised. At postnatal day 60, the animals started a resistance training protocol in an 80 degrees inclined vertical ladder apparatus and performed it for 7 weeks. Control rats received saline solution and were divided in saline-sedentary and saline-exercised. Resistance training restored all plasma biochemical parameters (glucose, cholesterol, triglycerides, aspartate aminotransferase, and alanine aminotransferase) increased in male and female rats treated with MSG. The MSG administration induced hyperglycemia associated with a decrease in the skeletal muscle glucose transporter 4 (GLUT4) levels and accompanied by deregulation in proteins, G-6Pase, and tyrosine aminotransferase, involved in hepatic glucose metabolism of male and female rats. MSG induced dyslipidemia and lipotoxicity in the liver and skeletal muscle of male rats. Regarding female rats, lipotoxicity was found only in the skeletal muscle. The resistance training had beneficial effects against metabolic alterations induced by MSG in male and female rats, through regulation of proteins (GLUT2, protein kinase B, and GLUT4) involved in glucose and lipid pathways in the liver and skeletal muscle.
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Affiliation(s)
- Caroline B Quines
- Departamento de Bioquímica e Biologia Molecular, Laboratório de Síntese, Reatividade e Avaliação Farmacológica e Toxicológica de Organocalcogênios, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil
| | - Natália S Jardim
- Departamento de Bioquímica e Biologia Molecular, Laboratório de Síntese, Reatividade e Avaliação Farmacológica e Toxicológica de Organocalcogênios, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil
| | - Paulo Cesar O Araujo
- Departamento de Bioquímica e Biologia Molecular, Laboratório de Síntese, Reatividade e Avaliação Farmacológica e Toxicológica de Organocalcogênios, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil
| | - José Luiz Cechella
- Departamento de Bioquímica e Biologia Molecular, Laboratório de Síntese, Reatividade e Avaliação Farmacológica e Toxicológica de Organocalcogênios, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil
| | - Vinicius C Prado
- Departamento de Bioquímica e Biologia Molecular, Laboratório de Síntese, Reatividade e Avaliação Farmacológica e Toxicológica de Organocalcogênios, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil
| | - Cristina W Nogueira
- Departamento de Bioquímica e Biologia Molecular, Laboratório de Síntese, Reatividade e Avaliação Farmacológica e Toxicológica de Organocalcogênios, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil
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Rosa SG, Chagas PM, Pesarico AP, Nogueira CW. Monosodium glutamate induced nociception and oxidative stress dependent on time of administration, age of rats and susceptibility of spinal cord and brain regions. Toxicol Appl Pharmacol 2018; 351:64-73. [DOI: 10.1016/j.taap.2018.05.019] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Revised: 05/14/2018] [Accepted: 05/17/2018] [Indexed: 12/16/2022]
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Loprinzi PD, Frith E, Edwards MK, Sng E, Ashpole N. The Effects of Exercise on Memory Function Among Young to Middle-Aged Adults: Systematic Review and Recommendations for Future Research. Am J Health Promot 2017; 32:691-704. [PMID: 29108442 DOI: 10.1177/0890117117737409] [Citation(s) in RCA: 90] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
OBJECTIVE To systematically summarize the experimental effects of exercise on cognitive-related memory function among young to middle-aged adults, which has yet to be done in the literature. DATA SOURCE PubMed. STUDY INCLUSION AND EXCLUSION CRITERIA Studies were included if they were published in the English language, indexed in PubMed, employed an experimental study design (eg, traditional parallel group randomized controlled trial: either acute intervention or chronic/training intervention study), and conducted among human adults. Studies were excluded if nonhumans (ie, animal models) were studied, if children/adolescents (<18 years) or older adults (>50 years) were evaluated, and if select chronic diseases (eg, diabetes and dementia) were present. DATA EXTRACTION A systematic review approach was employed. DATA SYNTHESIS An extraction table was created synthesizing the key results, and recommendations for future research are emphasized. RESULTS Among the 17 evaluated studies, 2 were published before the year 2000 (ie, 1998 and 1999), 2 were published in 2007, and the remaining 13 were published in the years 2011 and beyond. This highlights the emergence of this research topic within this age-group (young to middle-aged adults). Among the 17 evaluated studies, 14 were conducted among healthy samples, with 3 conducted among those with a diagnosis of depression. Among the 17 studies, 4 employed a chronic training protocol, with 13 utilizing an acute exercise protocol. Among the 3 experimental studies in the depressed population, all demonstrated a favorable effect of exercise on memory function. Among the 14 trials in the nondepressed population, 10 (71%) demonstrated a favorable effect of exercise on some aspect of memory function. CONCLUSION Acute and chronic exercise appears to play a pronounced effect on memory function among young to middle-aged adults. Implications and recommendations for future research are outlined in this systematic review.
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Affiliation(s)
- Paul D Loprinzi
- 1 Physical Activity Epidemiology Laboratory and Exercise Psychology Laboratory, Department of Health, Exercise Science and Recreation Management, The University of Mississippi, Oxford, MS, USA
| | - Emily Frith
- 2 Physical Activity Epidemiology Laboratory and Exercise Psychology Laboratory, Department of Health, Exercise Science and Recreation Management, The University of Mississippi, Oxford, MS, USA
| | - Meghan K Edwards
- 2 Physical Activity Epidemiology Laboratory and Exercise Psychology Laboratory, Department of Health, Exercise Science and Recreation Management, The University of Mississippi, Oxford, MS, USA
| | - Eveleen Sng
- 2 Physical Activity Epidemiology Laboratory and Exercise Psychology Laboratory, Department of Health, Exercise Science and Recreation Management, The University of Mississippi, Oxford, MS, USA
| | - Nicole Ashpole
- 3 Department of BioMolecular Sciences, Research Institute of Pharmaceutical Sciences, The University of Mississippi, Oxford, MS, USA
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