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Arregi A, Vegas O, Lertxundi A, Silva A, Ferreira I, Bereziartua A, Cruz MT, Lertxundi N. Road traffic noise exposure and its impact on health: evidence from animal and human studies-chronic stress, inflammation, and oxidative stress as key components of the complex downstream pathway underlying noise-induced non-auditory health effects. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024:10.1007/s11356-024-33973-9. [PMID: 38977550 DOI: 10.1007/s11356-024-33973-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Accepted: 06/08/2024] [Indexed: 07/10/2024]
Abstract
In heavily urbanized world saturated with environmental pollutants, road traffic noise stands out as a significant factor contributing to widespread public health issues. It contributes in the development of a diverse range of non-communicable diseases, such as cardiovascular diseases, metabolic dysregulation, cognitive impairment, and neurodegenerative disorders. Although the exact mechanisms behind these non-auditory health effects remain unclear, the noise reaction model centres on the stress response to noise. When exposed to noise, the body activates the hypothalamic-pituitary-adrenal axis and the sympathetic nervous system, leading to the secretion of stress hormones like catecholamines and cortisol. Prolonged exposure to noise-induced stress results in chronic inflammation and oxidative stress. This review underscores the role of inflammation and oxidative stress in the progression of noise-induced vascular dysfunction, disruption of the circadian rhythm, accelerated aging, neuroinflammation, and changes in microbiome. Additionally, our focus is on understanding the interconnected nature of these health outcomes: These interconnected factors create a cascade effect, contributing to the accumulation of multiple risk factors that ultimately lead to severe adverse health effects.
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Affiliation(s)
- Ane Arregi
- Faculty of Psychology, University of the Basque Country (UPV/EHU), 20008, San Sebastian, Spain
- Environmental Epidemiology and Child Development Group, Biogipuzkoa Health Research Institute, Paseo Doctor Begiristain S/N, 20014, San Sebastian, Spain
| | - Oscar Vegas
- Faculty of Psychology, University of the Basque Country (UPV/EHU), 20008, San Sebastian, Spain
- Environmental Epidemiology and Child Development Group, Biogipuzkoa Health Research Institute, Paseo Doctor Begiristain S/N, 20014, San Sebastian, Spain
| | - Aitana Lertxundi
- Environmental Epidemiology and Child Development Group, Biogipuzkoa Health Research Institute, Paseo Doctor Begiristain S/N, 20014, San Sebastian, Spain
- Spanish Consortium for Research On Epidemiology and Public Health (CIBERESP), Instituto de Salud Carlos III, C/Monforte de Lemos 3-5, 28029, Madrid, Spain
- Department of Preventive Medicine and Public Health, Faculty of Medicine, University of the Basque Country (UPV/EHU), 48940, Leioa, Spain
| | - Ana Silva
- Center for Neuroscience and Cell Biology and Institute for Biomedical Imaging and Life Sciences, University of Coimbra, 3000-548, Coimbra, Portugal
- Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, Coimbra, Portugal
| | - Isabel Ferreira
- Center for Neuroscience and Cell Biology and Institute for Biomedical Imaging and Life Sciences, University of Coimbra, 3000-548, Coimbra, Portugal
- Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, Coimbra, Portugal
| | - Ainhoa Bereziartua
- Environmental Epidemiology and Child Development Group, Biogipuzkoa Health Research Institute, Paseo Doctor Begiristain S/N, 20014, San Sebastian, Spain
| | - Maria Teresa Cruz
- Center for Neuroscience and Cell Biology and Institute for Biomedical Imaging and Life Sciences, University of Coimbra, 3000-548, Coimbra, Portugal.
- Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, Coimbra, Portugal.
- Faculty of Pharmacy, University of Coimbra, 3000-548, Coimbra, Portugal.
| | - Nerea Lertxundi
- Faculty of Psychology, University of the Basque Country (UPV/EHU), 20008, San Sebastian, Spain
- Environmental Epidemiology and Child Development Group, Biogipuzkoa Health Research Institute, Paseo Doctor Begiristain S/N, 20014, San Sebastian, Spain
- Spanish Consortium for Research On Epidemiology and Public Health (CIBERESP), Instituto de Salud Carlos III, C/Monforte de Lemos 3-5, 28029, Madrid, Spain
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Sørensen M, Pershagen G, Thacher JD, Lanki T, Wicki B, Röösli M, Vienneau D, Cantuaria ML, Schmidt JH, Aasvang GM, Al-Kindi S, Osborne MT, Wenzel P, Sastre J, Fleming I, Schulz R, Hahad O, Kuntic M, Zielonka J, Sies H, Grune T, Frenis K, Münzel T, Daiber A. Health position paper and redox perspectives - Disease burden by transportation noise. Redox Biol 2024; 69:102995. [PMID: 38142584 PMCID: PMC10788624 DOI: 10.1016/j.redox.2023.102995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 12/07/2023] [Accepted: 12/10/2023] [Indexed: 12/26/2023] Open
Abstract
Transportation noise is a ubiquitous urban exposure. In 2018, the World Health Organization concluded that chronic exposure to road traffic noise is a risk factor for ischemic heart disease. In contrast, they concluded that the quality of evidence for a link to other diseases was very low to moderate. Since then, several studies on the impact of noise on various diseases have been published. Also, studies investigating the mechanistic pathways underlying noise-induced health effects are emerging. We review the current evidence regarding effects of noise on health and the related disease-mechanisms. Several high-quality cohort studies consistently found road traffic noise to be associated with a higher risk of ischemic heart disease, heart failure, diabetes, and all-cause mortality. Furthermore, recent studies have indicated that road traffic and railway noise may increase the risk of diseases not commonly investigated in an environmental noise context, including breast cancer, dementia, and tinnitus. The harmful effects of noise are related to activation of a physiological stress response and nighttime sleep disturbance. Oxidative stress and inflammation downstream of stress hormone signaling and dysregulated circadian rhythms are identified as major disease-relevant pathomechanistic drivers. We discuss the role of reactive oxygen species and present results from antioxidant interventions. Lastly, we provide an overview of oxidative stress markers and adverse redox processes reported for noise-exposed animals and humans. This position paper summarizes all available epidemiological, clinical, and preclinical evidence of transportation noise as an important environmental risk factor for public health and discusses its implications on the population level.
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Affiliation(s)
- Mette Sørensen
- Work, Environment and Cancer, Danish Cancer Institute, Copenhagen, Denmark; Department of Natural Science and Environment, Roskilde University, Denmark.
| | - Göran Pershagen
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Jesse Daniel Thacher
- Division of Occupational and Environmental Medicine, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | - Timo Lanki
- Department of Health Security, Finnish Institute for Health and Welfare, Kuopio, Finland; School of Medicine, University of Eastern Finland, Kuopio, Finland; Department of Environmental and Biological Sciences, University of Eastern Finland, Kuopio, Finland
| | - Benedikt Wicki
- Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Allschwil, Switzerland; University of Basel, Basel, Switzerland
| | - Martin Röösli
- Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Allschwil, Switzerland; University of Basel, Basel, Switzerland
| | - Danielle Vienneau
- Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Allschwil, Switzerland; University of Basel, Basel, Switzerland
| | - Manuella Lech Cantuaria
- Work, Environment and Cancer, Danish Cancer Institute, Copenhagen, Denmark; Research Unit for ORL - Head & Neck Surgery and Audiology, Odense University Hospital & University of Southern Denmark, Odense, Denmark
| | - Jesper Hvass Schmidt
- Research Unit for ORL - Head & Neck Surgery and Audiology, Odense University Hospital & University of Southern Denmark, Odense, Denmark
| | - Gunn Marit Aasvang
- Department of Air Quality and Noise, Norwegian Institute of Public Health, Oslo, Norway
| | - Sadeer Al-Kindi
- Department of Medicine, University Hospitals, Harrington Heart & Vascular Institute, Case Western Reserve University, 11100 Euclid Ave, Cleveland, OH, 44106, USA
| | - Michael T Osborne
- Cardiovascular Imaging Research Center, Massachusetts General Hospital, Boston, MA, USA; Division of Cardiology, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Philip Wenzel
- Department of Cardiology, Cardiology I, University Medical Center Mainz, Mainz, Germany; German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Mainz, Germany; Center for Thrombosis and Hemostasis, University Medical Center Mainz, Mainz, Germany
| | - Juan Sastre
- Department of Physiology, Faculty of Pharmacy, University of Valencia, Spain
| | - Ingrid Fleming
- Institute for Vascular Signalling, Centre for Molecular Medicine, Goethe University, Frankfurt Am Main, Germany; German Center of Cardiovascular Research (DZHK), Partner Site RheinMain, Frankfurt, Germany
| | - Rainer Schulz
- Institute of Physiology, Faculty of Medicine, Justus-Liebig University, Gießen, 35392, Gießen, Germany
| | - Omar Hahad
- Department of Cardiology, Cardiology I, University Medical Center Mainz, Mainz, Germany; German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Mainz, Germany
| | - Marin Kuntic
- Department of Cardiology, Cardiology I, University Medical Center Mainz, Mainz, Germany; German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Mainz, Germany
| | - Jacek Zielonka
- Department of Biophysics, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Helmut Sies
- Institute for Biochemistry and Molecular Biology I, Faculty of Medicine, Heinrich Heine University Düsseldorf, Düsseldorf, Germany; Leibniz Research Institute for Environmental Medicine, Düsseldorf, Germany
| | - Tilman Grune
- Department of Molecular Toxicology, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany; DZHK (German Center for Cardiovascular Research), Partner Site Berlin, Berlin, Germany; German Center for Diabetes Research (DZD), München-Neuherberg, Germany
| | - Katie Frenis
- Hematology/Oncology, Boston Children's Hospital and Harvard Medical School, Boston, MA, USA; Stem Cell Program, Boston Children's Hospital, Boston, MA, USA
| | - Thomas Münzel
- Department of Cardiology, Cardiology I, University Medical Center Mainz, Mainz, Germany; German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Mainz, Germany; Center for Thrombosis and Hemostasis, University Medical Center Mainz, Mainz, Germany
| | - Andreas Daiber
- Department of Cardiology, Cardiology I, University Medical Center Mainz, Mainz, Germany; German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Mainz, Germany; Center for Thrombosis and Hemostasis, University Medical Center Mainz, Mainz, Germany.
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Hahad O, Kuntic M, Al-Kindi S, Kuntic I, Gilan D, Petrowski K, Daiber A, Münzel T. Noise and mental health: evidence, mechanisms, and consequences. JOURNAL OF EXPOSURE SCIENCE & ENVIRONMENTAL EPIDEMIOLOGY 2024:10.1038/s41370-024-00642-5. [PMID: 38279032 DOI: 10.1038/s41370-024-00642-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 01/13/2024] [Accepted: 01/15/2024] [Indexed: 01/28/2024]
Abstract
The recognition of noise exposure as a prominent environmental determinant of public health has grown substantially. While recent years have yielded a wealth of evidence linking environmental noise exposure primarily to cardiovascular ailments, our understanding of the detrimental effects of noise on the brain and mental health outcomes remains limited. Despite being a nascent research area, an increasing body of compelling research and conclusive findings confirms that exposure to noise, particularly from sources such as traffic, can potentially impact the central nervous system. These harms of noise increase the susceptibility to mental health conditions such as depression, anxiety, suicide, and behavioral problems in children and adolescents. From a mechanistic perspective, several investigations propose direct adverse phenotypic changes in brain tissue by noise (e.g. neuroinflammation, cerebral oxidative stress), in addition to feedback signaling by remote organ damage, dysregulated immune cells, and impaired circadian rhythms, which may collectively contribute to noise-dependent impairment of mental health. This concise review linking noise exposure to mental health outcomes seeks to fill research gaps by assessing current findings from studies involving both humans and animals.
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Affiliation(s)
- Omar Hahad
- Department of Cardiology-Cardiology I, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany.
- German Center for Cardiovascular Research (DZHK), partner site Rhine-Main, Mainz, Germany.
| | - Marin Kuntic
- Department of Cardiology-Cardiology I, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
- German Center for Cardiovascular Research (DZHK), partner site Rhine-Main, Mainz, Germany
| | - Sadeer Al-Kindi
- Cardiovascular Prevention and Wellness, DeBakey Heart and Vascular Center, Houston Methodist, Houston, TX, USA
| | - Ivana Kuntic
- Department of Cardiology-Cardiology I, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
| | - Donya Gilan
- Leibniz Institute for Resilience Research (LIR), Mainz, Germany
- Department of Psychiatry and Psychotherapy, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
| | - Katja Petrowski
- Medical Psychology & Medical Sociology, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
| | - Andreas Daiber
- Department of Cardiology-Cardiology I, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
- German Center for Cardiovascular Research (DZHK), partner site Rhine-Main, Mainz, Germany
| | - Thomas Münzel
- Department of Cardiology-Cardiology I, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
- German Center for Cardiovascular Research (DZHK), partner site Rhine-Main, Mainz, Germany
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4
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Yang L, Gutierrez DE, Guthrie OW. Systemic health effects of noise exposure. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART B, CRITICAL REVIEWS 2024; 27:21-54. [PMID: 37957800 DOI: 10.1080/10937404.2023.2280837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
Noise, any unwanted sound, is pervasive and impacts large populations worldwide. Investigators suggested that noise exposure not only induces auditory damage but also produces various organ system dysfunctions. Although previous reviews primarily focused on noise-induced cardiovascular and cerebral dysfunctions, this narrow focus has unintentionally led the research community to disregard the importance of other vital organs. Indeed, limited studies revealed that noise exposure impacts other organs including the liver, kidneys, pancreas, lung, and gastrointestinal tract. Therefore, the aim of this review was to examine the effects of noise on both the extensively studied organs, the brain and heart, but also determine noise impact on other vital organs. The goal was to illustrate a comprehensive understanding of the systemic effects of noise. These systemic effects may guide future clinical research and epidemiological endpoints, emphasizing the importance of considering noise exposure history in diagnosing various systemic diseases.
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Affiliation(s)
- Li Yang
- Cell & Molecular Pathology Laboratory, Communication Sciences and Disorders, Northern Arizona University, Flagstaff, AZ, USA
- Department of Biological Sciences, Northern Arizona University, Flagstaff, AZ, USA
| | - Daniel E Gutierrez
- Arizona College of Osteopathic Medicine, Midwestern University, Glendale, AZ, USA
| | - O'neil W Guthrie
- Cell & Molecular Pathology Laboratory, Communication Sciences and Disorders, Northern Arizona University, Flagstaff, AZ, USA
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Gallegos CE, Gumilar F, Bartos M, Baier CJ. Long-term behavioral and neurochemical paradoxical alterations elicited following intranasal application of a chlorpyrifos formulation in mice. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2024; 198:105717. [PMID: 38225064 DOI: 10.1016/j.pestbp.2023.105717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 11/22/2023] [Accepted: 11/27/2023] [Indexed: 01/17/2024]
Abstract
The intranasal (IN) administration route represents a pathway for xenobiotics to reach the brain. The present study aimed to address the long-term consequences of IN administration of a chlorpyrifos (CPF) commercial formulation (fCPF) in mice. For this purpose, adult male CF-1 mice were intranasally administered with fCPF (10 mg/kg/day) three days a week, for 2 and 4 weeks, respectively. Behavioral and biochemical analyses were conducted 3-7, and 7.5 months after the last IN fCPF administration, respectively. Following a 6-month fCPF-free washout period, fur appearance and body injuries scores improved in the fCPF-treated groups. Notably, spatial learning and memory enhancement was observed 4 and 7 months after the last IN fCPF administration. Changes in oxidative stress markers and the activities of enzymes involved in cholinergic and glutamatergic pathways were observed in different brain areas from fCPF-treated mice, still after 7.5 months from fCPF application. Altogether, these neurochemical disturbances could be responsible for the described behavioral observations.
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Affiliation(s)
- Cristina Eugenia Gallegos
- Laboratorio de Toxicología, Instituto de Ciencias Biológicas y Biomédicas del Sur (INBIOSUR), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional del Sur (UNS), Departamento de Biología, Bioquímica y Farmacia (DBByF), San Juan 670, B8000ICN Bahía Blanca, Argentina
| | - Fernanda Gumilar
- Laboratorio de Toxicología, Instituto de Ciencias Biológicas y Biomédicas del Sur (INBIOSUR), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional del Sur (UNS), Departamento de Biología, Bioquímica y Farmacia (DBByF), San Juan 670, B8000ICN Bahía Blanca, Argentina
| | - Mariana Bartos
- Laboratorio de Toxicología, Instituto de Ciencias Biológicas y Biomédicas del Sur (INBIOSUR), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional del Sur (UNS), Departamento de Biología, Bioquímica y Farmacia (DBByF), San Juan 670, B8000ICN Bahía Blanca, Argentina
| | - Carlos Javier Baier
- Laboratorio de Toxicología, Instituto de Ciencias Biológicas y Biomédicas del Sur (INBIOSUR), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional del Sur (UNS), Departamento de Biología, Bioquímica y Farmacia (DBByF), San Juan 670, B8000ICN Bahía Blanca, Argentina.
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6
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Zhang Z, Wu Y, Zhou S, Fu P, Yan H. Effects of Music and White Noise Exposure on the Gut Microbiota, Oxidative Stress, and Immune-Related Gene Expression of Mice. Microorganisms 2023; 11:2272. [PMID: 37764116 PMCID: PMC10536120 DOI: 10.3390/microorganisms11092272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 09/07/2023] [Accepted: 09/07/2023] [Indexed: 09/29/2023] Open
Abstract
The microbiota in gastrointestinal tracts is recognized to play a pivotal role in the health of their hosts. Music and noise are prevalent environmental factors in human society and animal production and are reported to impact their welfare and physiological conditions; however, the information on the relationship between the microbiota, physiological status, and sound is limited. This study investigated the impact of music and white noise exposure in mice through 16s rRNA gene sequencing, enzyme assay, and qPCR. The results demonstrate that white noise induced oxidative stress in animals by decreasing serum SOD and GSH-PX activity while increasing LDH activity and MDA levels (p < 0.05). Conversely, no oxidative stress was observed in the music treatment group. The relative gene expression of IFN-γ and IL-1β decreased in the white noise group compared to the music and control groups. The 16s rRNA gene amplicon sequencing revealed that Bacteroidetes, Firmicutes, Verrucomicrobia, and Proteobacteria were dominant among all the groups. Furthermore, the proportion of Firmicutes increased in the music treatment group but decreased in the white noise treatment group compared to the control group. In conclusion, white noise has detrimental impacts on the gut microbiota, antioxidant activity, and immunity of mice, while music is potentially beneficial.
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Affiliation(s)
| | | | | | - Pengcheng Fu
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, China
| | - Hong Yan
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, China
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MohanKumar SMJ, Murugan A, Palaniyappan A, MohanKumar PS. Role of cytokines and reactive oxygen species in brain aging. Mech Ageing Dev 2023; 214:111855. [PMID: 37541628 PMCID: PMC10528856 DOI: 10.1016/j.mad.2023.111855] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 07/24/2023] [Accepted: 08/01/2023] [Indexed: 08/06/2023]
Abstract
Aging is a complex process that produces profound effects on the brain. Although a number of external factors can promote the initiation and progression of brain aging, peripheral and central changes in the immune cells with time, also play an important role. Immunosenescence, which is an age-associated decline in immune function and Inflammaging, a low-grade inflammatory state in the aging brain contribute to an elevation in cytokine and reactive oxygen species production. In this review, we focus on the pro-inflammatory state that is established in the brain as a consequence of these two phenomena and the resulting detrimental changes in brain structure, function and repair that lead to a decline in central and neuroendocrine function.
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Affiliation(s)
- Sheba M J MohanKumar
- Department of Biomedical Sciences, College of Veterinary Medicine, University of Georgia, Athens, GA 30602, USA.
| | - Abarna Murugan
- Department of Biomedical Sciences, College of Veterinary Medicine, University of Georgia, Athens, GA 30602, USA
| | - Arunkumar Palaniyappan
- Department of Biomedical Sciences, College of Veterinary Medicine, University of Georgia, Athens, GA 30602, USA
| | - Puliyur S MohanKumar
- Department of Biomedical Sciences, College of Veterinary Medicine, University of Georgia, Athens, GA 30602, USA
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Khurm M, Guo Y, Wu Q, Zhang X, Ghori MU, Rasool MF, Imran I, Saqib F, Wahid M, Guo Z. Conocarpus lancifolius (Combretaceae): Pharmacological Effects, LC-ESI-MS/MS Profiling and In Silico Attributes. Metabolites 2023; 13:794. [PMID: 37512501 PMCID: PMC10385132 DOI: 10.3390/metabo13070794] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 06/17/2023] [Accepted: 06/19/2023] [Indexed: 07/30/2023] Open
Abstract
In folklore medicine, Conocarpus lancifolius is used to treat various illnesses. The main objective of this study was a comprehensive investigation of Conocarpus lancifolius leaf aqueous extract (CLAE) for its antioxidant, cardioprotective, anxiolytic, antidepressant and memory-enhancing capabilities by using different in vitro, in vivo and in silico models. The in vitro experimentation revealed that CLAE consumed an ample amount of total phenolics (67.70 ± 0.15 µg GAE/mg) and flavonoids (47.54 ± 0.45 µg QE/mg) with stronger antiradical effects through DPPH (IC50 = 16.66 ± 0.42 µg/mL), TAC (77.33 ± 0.41 µg AAE/mg) and TRP (79.11 ± 0.67 µg GAE/mg) assays. The extract also displayed suitable acetylcholinesterase (AChE) inhibitory (IC50 = 110.13 ± 1.71 µg/mL) activity through a modified Ellman's method. The toxicology examination presented no mortality or any signs of clinical toxicity in both single-dose and repeated-dose tests. In line with the cardioprotective study, the pretreatment of CLAE was found to be effective in relieving the isoproterenol (ISO)-induced myocardial injury in rats by normalizing the heart weight index, serum cardiac biomarkers, lipid profile and various histopathological variations. In the noise-stress-induced model for behavior attributes, the results demonstrated that CLAE has the tendency to increase the time spent in the central zone and elevated open arms in the open field and elevated plus maze tests (examined for anxiety assessment), reduced periods of immobility in the forced swimming test (for depression) and improved recognition and working memory in the novel object recognition and Morris water maze tests, respectively. Moreover, the LC-ESI-MS/MS profiling predicted 53 phytocompounds in CLAE. The drug-likeness and ADMET analysis exhibited that the majority of the identified compounds have reasonable physicochemical and pharmacokinetic profiles. The co-expression of molecular docking and network analysis indicated that top-ranked CLAE phytoconstituents act efficiently against the key proteins and target multiple signaling pathways to exert its cardiovascular-protectant, anxiolytic, antidepressant and memory-enhancing activity. Hence, this artifact illustrates that the observed biological properties of CLAE elucidate its significance as a sustainable source of bioactive phytochemicals, which appears to be advantageous for pursuing further studies for the development of new therapeutic agents of desired interest.
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Affiliation(s)
- Muhammad Khurm
- School of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, China
| | - Yuting Guo
- School of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, China
| | - Qingqing Wu
- School of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, China
| | - Xinxin Zhang
- School of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, China
| | - Muhammad Umer Ghori
- Department of Bioinformatics and Biotechnology, Government College University, Faisalabad 38000, Pakistan
| | - Muhammad Fawad Rasool
- Department of Pharmacy Practice, Faculty of Pharmacy, Bahauddin Zakariya University, Multan 60800, Pakistan
| | - Imran Imran
- Department of Pharmacology, Faculty of Pharmacy, Bahauddin Zakariya University, Multan 60800, Pakistan
| | - Fatima Saqib
- Department of Pharmacology, Faculty of Pharmacy, Bahauddin Zakariya University, Multan 60800, Pakistan
| | - Muqeet Wahid
- Department of Pharmacology, Faculty of Pharmacy, Bahauddin Zakariya University, Multan 60800, Pakistan
| | - Zengjun Guo
- School of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, China
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Strelow DN, Magalhães LS, Paim MP, Krüger LD, Neto JSS, Brüning CA, Bortolatto CF. Depressive-like behavior and cognitive impairment induced by acute administration of dexamethasone: Pharmacological effects of 2-phenyl-3-(phenylselanyl)benzofuran in female Swiss mice. Prog Neuropsychopharmacol Biol Psychiatry 2023; 125:110772. [PMID: 37075882 DOI: 10.1016/j.pnpbp.2023.110772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 04/12/2023] [Accepted: 04/16/2023] [Indexed: 04/21/2023]
Abstract
Synthetic glucocorticoid administration has been reported to play a role in depression and cognitive decline. The present study investigated the 2-phenyl-3-(phenylselanyl)benzofuran (SeBZF1) effects against the depressive-like behavior, memory impairment, and neurochemical alterations caused by acute dexamethasone administration in female Swiss mice. A dexamethasone dose-response curve (0.07-0.5 mg/kg, subcutaneous route, s.c.) was initially performed to validate the depressive-like behavior induction, in which the 0.25 mg/kg dose was more effective. Two experimental sets were performed to test the SeBZF1 (5 and 50 mg/kg, intragastric route, i.g.) pharmacological effect in this animal model. The 1st set revealed that the SeBZF1 reverses the dexamethasone-induced depressive-like behavior in the tail suspension test and in the splash test. In the 2nd experimental set, the compound effects of reversing the depressive-like behavior in the forced swimming test and the memory deficit in the Y-maze test induced by acute treatment with dexamethasone were demonstrated. Furthermore, SeBZF1 reversed the increase in the monoamine oxidase (MAO) activity in the prefrontal cortex (isoforms A and B) and in the hypothalamus (isoform A) caused by dexamethasone. However, no changes were observed in hippocampal MAO activity. Furthermore, animals treated with dexamethasone and SeBZF1 demonstrated a partially lower acetylcholinesterase activity in the prefrontal cortex compared with the induced group. In summary, the present study demonstrated that SeBZF1 reverses depressive-like behavior and memory deficits caused by acute dexamethasone treatment in female Swiss mice. Possibly the compound exerts its antidepressant-like action by increasing the availability of monoamines, while its effects on memory are still partially understood.
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Affiliation(s)
- Dianer Nornberg Strelow
- Programa de Pós-graduação em Bioquímica e Bioprospecção, Laboratório de Bioquímica e Neurofarmacologia Molecular (LABIONEM), Grupo de Pesquisa em Neurobiotecnologia (GPN), Centro de Ciências Químicas, Farmacêuticas e de Alimentos (CCQFA), Universidade Federal de Pelotas (UFPel), CEP 96010-900 Pelotas, RS, Brazil
| | - Larissa Sander Magalhães
- Programa de Pós-graduação em Bioquímica e Bioprospecção, Laboratório de Bioquímica e Neurofarmacologia Molecular (LABIONEM), Grupo de Pesquisa em Neurobiotecnologia (GPN), Centro de Ciências Químicas, Farmacêuticas e de Alimentos (CCQFA), Universidade Federal de Pelotas (UFPel), CEP 96010-900 Pelotas, RS, Brazil
| | - Mariana Parron Paim
- Programa de Pós-graduação em Bioquímica e Bioprospecção, Laboratório de Bioquímica e Neurofarmacologia Molecular (LABIONEM), Grupo de Pesquisa em Neurobiotecnologia (GPN), Centro de Ciências Químicas, Farmacêuticas e de Alimentos (CCQFA), Universidade Federal de Pelotas (UFPel), CEP 96010-900 Pelotas, RS, Brazil
| | - Letícia Devantier Krüger
- Programa de Pós-graduação em Bioquímica e Bioprospecção, Laboratório de Bioquímica e Neurofarmacologia Molecular (LABIONEM), Grupo de Pesquisa em Neurobiotecnologia (GPN), Centro de Ciências Químicas, Farmacêuticas e de Alimentos (CCQFA), Universidade Federal de Pelotas (UFPel), CEP 96010-900 Pelotas, RS, Brazil
| | | | - César Augusto Brüning
- Programa de Pós-graduação em Bioquímica e Bioprospecção, Laboratório de Bioquímica e Neurofarmacologia Molecular (LABIONEM), Grupo de Pesquisa em Neurobiotecnologia (GPN), Centro de Ciências Químicas, Farmacêuticas e de Alimentos (CCQFA), Universidade Federal de Pelotas (UFPel), CEP 96010-900 Pelotas, RS, Brazil.
| | - Cristiani Folharini Bortolatto
- Programa de Pós-graduação em Bioquímica e Bioprospecção, Laboratório de Bioquímica e Neurofarmacologia Molecular (LABIONEM), Grupo de Pesquisa em Neurobiotecnologia (GPN), Centro de Ciências Químicas, Farmacêuticas e de Alimentos (CCQFA), Universidade Federal de Pelotas (UFPel), CEP 96010-900 Pelotas, RS, Brazil.
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10
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Paciello F, Ripoli C, Fetoni AR, Grassi C. Redox Imbalance as a Common Pathogenic Factor Linking Hearing Loss and Cognitive Decline. Antioxidants (Basel) 2023; 12:antiox12020332. [PMID: 36829891 PMCID: PMC9952092 DOI: 10.3390/antiox12020332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 01/23/2023] [Accepted: 01/29/2023] [Indexed: 02/04/2023] Open
Abstract
Experimental and clinical data suggest a tight link between hearing and cognitive functions under both physiological and pathological conditions. Indeed, hearing perception requires high-level cognitive processes, and its alterations have been considered a risk factor for cognitive decline. Thus, identifying common pathogenic determinants of hearing loss and neurodegenerative disease is challenging. Here, we focused on redox status imbalance as a possible common pathological mechanism linking hearing and cognitive dysfunctions. Oxidative stress plays a critical role in cochlear damage occurring during aging, as well as in that induced by exogenous factors, including noise. At the same time, increased oxidative stress in medio-temporal brain regions, including the hippocampus, is a hallmark of neurodegenerative disorders like Alzheimer's disease. As such, antioxidant therapy seems to be a promising approach to prevent and/or counteract both sensory and cognitive neurodegeneration. Here, we review experimental evidence suggesting that redox imbalance is a key pathogenetic factor underlying the association between sensorineural hearing loss and neurodegenerative diseases. A greater understanding of the pathophysiological mechanisms shared by these two diseased conditions will hopefully provide relevant information to develop innovative and effective therapeutic strategies.
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Affiliation(s)
- Fabiola Paciello
- Department of Neuroscience, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
- Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Cristian Ripoli
- Department of Neuroscience, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
- Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
- Correspondence: ; Tel.: +39-0630154966
| | - Anna Rita Fetoni
- Unit of Audiology, Department of Neuroscience, Università degli Studi di Napoli Federico II, 80138 Naples, Italy
| | - Claudio Grassi
- Department of Neuroscience, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
- Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
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11
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Liu YS, Zhao HF, Li Q, Cui HW, Huang GD. Research Progress on the Etiology and Pathogenesis of Alzheimer's Disease from the Perspective of Chronic Stress. Aging Dis 2022:AD.2022.1211. [PMID: 37163426 PMCID: PMC10389837 DOI: 10.14336/ad.2022.1211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Accepted: 12/12/2022] [Indexed: 05/12/2023] Open
Abstract
Due to its extremely complex pathogenesis, no effective drugs to prevent, delay progression, or cure Alzheimer's disease (AD) exist at present. The main pathological features of AD are senile plaques composed of β-amyloid, neurofibrillary tangles formed by hyperphosphorylation of the tau protein, and degeneration or loss of neurons in the brain. Many risk factors associated with the onset of AD, including gene mutations, aging, traumatic brain injury, endocrine and cardiovascular diseases, education level, and obesity. Growing evidence points to chronic stress as one of the major risk factors for AD, as it can promote the onset and development of AD-related pathologies via a mechanism that is not well known. The use of murine stress models, including restraint, social isolation, noise, and unpredictable stress, has contributed to improving our understanding of the relationship between chronic stress and AD. This review summarizes the evidence derived from murine models on the pathological features associated with AD and the related molecular mechanisms induced by chronic stress. These results not only provide a retrospective interpretation for understanding the pathogenesis of AD, but also provide a window of opportunity for more effective preventive and identifying therapeutic strategies for stress-induced AD.
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Affiliation(s)
- Yun-Sheng Liu
- Department of Neurosurgery, Shenzhen Second People's Hospital/the First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen, China
| | - Hua-Fu Zhao
- Department of Neurosurgery, Shenzhen Second People's Hospital/the First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen, China
| | - Qian Li
- Department of Neurosurgery, Shenzhen Second People's Hospital/the First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen, China
| | - Han-Wei Cui
- The Central Laboratory, Shenzhen Second People's Hospital/the First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen, China
- Central Laboratory, Shenzhen Samii Medical Center, Shenzhen, China
| | - Guo-Dong Huang
- Department of Neurosurgery, Shenzhen Second People's Hospital/the First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen, China
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12
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Johne M, Helgers SOA, Alam M, Jelinek J, Hubka P, Krauss JK, Scheper V, Kral A, Schwabe K. Processing of auditory information in forebrain regions after hearing loss in adulthood: Behavioral and electrophysiological studies in a rat model. Front Neurosci 2022; 16:966568. [DOI: 10.3389/fnins.2022.966568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Accepted: 10/20/2022] [Indexed: 11/12/2022] Open
Abstract
BackgroundHearing loss was proposed as a factor affecting development of cognitive impairment in elderly. Deficits cannot be explained primarily by dysfunctional neuronal networks within the central auditory system. We here tested the impact of hearing loss in adult rats on motor, social, and cognitive function. Furthermore, potential changes in the neuronal activity in the medial prefrontal cortex (mPFC) and the inferior colliculus (IC) were evaluated.Materials and methodsIn adult male Sprague Dawley rats hearing loss was induced under general anesthesia with intracochlear injection of neomycin. Sham-operated and naive rats served as controls. Postsurgical acoustically evoked auditory brainstem response (ABR)-measurements verified hearing loss after intracochlear neomycin-injection, respectively, intact hearing in sham-operated and naive controls. In intervals of 8 weeks and up to 12 months after surgery rats were tested for locomotor activity (open field) and coordination (Rotarod), for social interaction and preference, and for learning and memory (4-arms baited 8-arms radial maze test). In a final setting, electrophysiological recordings were performed in the mPFC and the IC.ResultsLocomotor activity did not differ between deaf and control rats, whereas motor coordination on the Rotarod was disturbed in deaf rats (P < 0.05). Learning the concept of the radial maze test was initially disturbed in deaf rats (P < 0.05), whereas retesting every 8 weeks did not show long-term memory deficits. Social interaction and preference was also not affected by hearing loss. Final electrophysiological recordings in anesthetized rats revealed reduced firing rates, enhanced irregular firing, and reduced oscillatory theta band activity (4–8 Hz) in the mPFC of deaf rats as compared to controls (P < 0.05). In the IC, reduced oscillatory theta (4–8 Hz) and gamma (30–100 Hz) band activity was found in deaf rats (P < 0.05).ConclusionMinor and transient behavioral deficits do not confirm direct impact of long-term hearing loss on cognitive function in rats. However, the altered neuronal activities in the mPFC and IC after hearing loss indicate effects on neuronal networks in and outside the central auditory system with potential consequences on cognitive function.
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13
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Billig AJ, Lad M, Sedley W, Griffiths TD. The hearing hippocampus. Prog Neurobiol 2022; 218:102326. [PMID: 35870677 PMCID: PMC10510040 DOI: 10.1016/j.pneurobio.2022.102326] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 06/08/2022] [Accepted: 07/18/2022] [Indexed: 11/17/2022]
Abstract
The hippocampus has a well-established role in spatial and episodic memory but a broader function has been proposed including aspects of perception and relational processing. Neural bases of sound analysis have been described in the pathway to auditory cortex, but wider networks supporting auditory cognition are still being established. We review what is known about the role of the hippocampus in processing auditory information, and how the hippocampus itself is shaped by sound. In examining imaging, recording, and lesion studies in species from rodents to humans, we uncover a hierarchy of hippocampal responses to sound including during passive exposure, active listening, and the learning of associations between sounds and other stimuli. We describe how the hippocampus' connectivity and computational architecture allow it to track and manipulate auditory information - whether in the form of speech, music, or environmental, emotional, or phantom sounds. Functional and structural correlates of auditory experience are also identified. The extent of auditory-hippocampal interactions is consistent with the view that the hippocampus makes broad contributions to perception and cognition, beyond spatial and episodic memory. More deeply understanding these interactions may unlock applications including entraining hippocampal rhythms to support cognition, and intervening in links between hearing loss and dementia.
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Affiliation(s)
| | - Meher Lad
- Translational and Clinical Research Institute, Newcastle University Medical School, Newcastle upon Tyne, UK
| | - William Sedley
- Translational and Clinical Research Institute, Newcastle University Medical School, Newcastle upon Tyne, UK
| | - Timothy D Griffiths
- Biosciences Institute, Newcastle University Medical School, Newcastle upon Tyne, UK; Wellcome Centre for Human Neuroimaging, UCL Queen Square Institute of Neurology, University College London, London, UK; Human Brain Research Laboratory, Department of Neurosurgery, University of Iowa Hospitals and Clinics, Iowa City, USA
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14
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Patel SV, DeCarlo CM, Book SA, Schormans AL, Whitehead SN, Allman BL, Hayes SH. Noise exposure in early adulthood causes age-dependent and brain region-specific impairments in cognitive function. Front Neurosci 2022; 16:1001686. [PMID: 36312027 PMCID: PMC9606802 DOI: 10.3389/fnins.2022.1001686] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Accepted: 09/20/2022] [Indexed: 11/22/2022] Open
Abstract
Hearing loss is a chronic health condition that affects millions of people worldwide. In addition to age-related hearing impairment, excessive noise exposure is a leading cause of hearing loss. Beyond the devastating effects of hearing impairment itself, epidemiological studies have identified hearing loss as a major risk factor for age-related cognitive decline, including dementia. At present, we currently lack a full understanding of the brain regions and underlying molecular changes that are responsible for mediating the link between hearing loss and cognitive impairment across aging. In the present study, we exposed 6-month-old rats to an occupational-like noise (100 dB SPL, 4 h/day × 30 days) or sham exposure and investigated both hippocampal-dependent (i.e., spatial learning and memory, assessed using the Morris water maze) and striatal-dependent (i.e., visuomotor associative learning, assessed using an operant-conditioning task) cognitive function across aging at 7, 10, and 13 months of age. We also investigated brain region-specific changes in microglial expression following noise/sham exposure in order to assess the potential contribution of this cell type to noise-induced cognitive impairments. Consistent with human studies, the occupational-like noise exposure resulted in high-frequency hearing loss, evidenced by a significant increase in hearing thresholds at 20 kHz. Ultimately, our results suggest that not all higher-level cognitive tasks or their associated brain regions appear to be equally susceptible to noise-induced deficits during aging, as the occupational-like noise exposure caused an age-dependent deficit in spatial but not visuomotor associative learning, as well as altered microglial expression in the hippocampus but not the striatum. Interestingly, we found no significant relationships between spatial learning ability and the level of hearing loss or altered microglial density in the hippocampus following noise exposure, suggesting that other changes in the brain likely contribute to hippocampal-dependent cognitive dysfunction following noise exposure. Lastly, we found that a subset of younger animals also showed noise-induced deficits in spatial learning; findings which suggest that noise exposure may represent an increased risk for cognitive impairment in vulnerable subjects. Overall, our findings highlight that even a mild occupational-like noise exposure earlier in adulthood can have long lasting implications for cognitive function later in life.
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15
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Tarawneh R, Penhos E. The gut microbiome and Alzheimer's disease: Complex and bidirectional interactions. Neurosci Biobehav Rev 2022; 141:104814. [PMID: 35934087 PMCID: PMC9637435 DOI: 10.1016/j.neubiorev.2022.104814] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Revised: 07/16/2022] [Accepted: 08/01/2022] [Indexed: 11/20/2022]
Abstract
Structural and functional alterations to the gut microbiome, referred to as gut dysbiosis, have emerged as potential key mediators of neurodegeneration and Alzheimer disease (AD) pathogenesis through the "gut -brain" axis. Emerging data from animal and clinical studies support an important role for gut dysbiosis in mediating neuroinflammation, central and peripheral immune dysregulation, abnormal brain protein aggregation, and impaired intestinal and brain barrier permeability, leading to neuronal loss and cognitive impairment. Gut dysbiosis has also been shown to directly influence various mechanisms involved in neuronal growth and repair, synaptic plasticity, and memory and learning functions. Aging and lifestyle factors including diet, exercise, sleep, and stress influence AD risk through gut dysbiosis. Furthermore, AD is associated with characteristic gut microbial signatures which offer value as potential markers of disease severity and progression. Together, these findings suggest the presence of a complex bidirectional relationship between AD and the gut microbiome and highlight the utility of gut modulation strategies as potential preventative or therapeutic strategies in AD. We here review the current literature regarding the role of the gut-brain axis in AD pathogenesis and its potential role as a future therapeutic target in AD treatment and/or prevention.
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Affiliation(s)
- Rawan Tarawneh
- Department of Neurology, Center for Memory and Aging, Alzheimer Disease Research Center, The University of New Mexico, Albuquerque, NM 87106, USA.
| | - Elena Penhos
- College of Medicine, The Ohio State University, Columbus, OH, USA 43210
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16
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Zhang X, Zhou J, Xu W, Zhan W, Zou H, Lin J. Transcriptomic and Behavioral Studies of Small Yellow Croaker (Larimichthys polyactis) in Response to Noise Exposure. Animals (Basel) 2022; 12:ani12162061. [PMID: 36009652 PMCID: PMC9405241 DOI: 10.3390/ani12162061] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 07/28/2022] [Accepted: 08/11/2022] [Indexed: 11/21/2022] Open
Abstract
Simple Summary Ocean noise pollution from marine traffic may affect the behavioral, ecological and biochemical parameters of marine fish species. Most studies have focused on behavioral changes and hearing damage in fishes, but the molecular mechanism of noise exposure in the impairment of the brain has rarely been reported. In this study, using small yellow croaker (L. polyactis) as a model, we used RNA-seq methods to characterize differently expressed genes between the control group and the noise exposure group. GO and KEGG pathway analysis found that synaptic transmission, neurotransmitter transport, endocytosis procession, cell adhesion molecules and the extracellular matrix receptor interaction pathway were over-represented in the DEGs. In addition, behavioral studies revealed that L. polyactis kept motionless on the surface of the water and lost the ability to keep their balance after noise exposure. Collectively, our results indicate that exposure to noise stressors contributes to neurological dysfunction in the brain and impaired locomotor ability in L. polyactis. Abstract Noise has the potential to induce physiological stress in marine fishes, which may lead to all sorts of ecological consequences. In the current study, we used the RNA-sequencing (RNA-seq) method to sequence the whole transcriptome of the brain in small yellow croaker (Larimichthys polyactis). The animals were exposed to a mix of noises produced by different types of boat played back in a tank, then the brain tissues were collected after the fish had been exposed to a 120 dB noise for 0.5 h. In total, 762 differently expressed genes (DEGs) between the two groups were identified, including 157 up regulated and 605 down regulated genes in the noise exposure group compared with the control group. Gene ontology (GO) enrichment analysis indicated that the most up regulated gene categories included synaptic membranes, receptor-mediated endocytosis and the neurotransmitter secretion process. The Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways found that endocytosis, cell adhesion molecules and the extracellular matrix (ECM) receptor interaction pathway were over-represented. Specifically, ECM-related genes, including lamin2, lamin3, lamin4, coll1a2, coll5a1 and col4a5 were down regulated in the noise exposure group, implying the impaired composition of the ECM. In addition, the behavioral experiment revealed that L. polyactis exhibited avoidance behaviors to run away from the noise source at the beginning of the noise exposure period. At the end of the noise exposure period, L. polyactis kept motionless on the surface of the water and lost the ability to keep their balance. Taken together, our results indicate that exposure to noise stress contributes to neurological dysfunction in the brain and impaired locomotor ability in L. polyactis.
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Affiliation(s)
- Xuguang Zhang
- Engineering Technology Research Center of Marine Ranching, College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Jun Zhou
- Engineering Technology Research Center of Marine Ranching, College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Wengang Xu
- School of Ocean, Yantai University, Yantai 264005, China
| | - Wei Zhan
- Institute of Hydrobiology, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Huafeng Zou
- National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai 201306, China
- The Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China
- Correspondence: (H.Z.); (J.L.)
| | - Jun Lin
- Engineering Technology Research Center of Marine Ranching, College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
- Correspondence: (H.Z.); (J.L.)
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17
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Hahad O, Bayo Jimenez MT, Kuntic M, Frenis K, Steven S, Daiber A, Münzel T. Cerebral consequences of environmental noise exposure. ENVIRONMENT INTERNATIONAL 2022; 165:107306. [PMID: 35635962 DOI: 10.1016/j.envint.2022.107306] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 05/09/2022] [Accepted: 05/15/2022] [Indexed: 06/15/2023]
Abstract
The importance of noise exposure as a major environmental determinant of public health is being increasingly recognized. While in recent years a large body evidence has emerged linking environmental noise exposure mainly to cardiovascular disease, much less is known concerning the adverse health effects of noise on the brain and associated neuropsychiatric outcomes. Despite being a relatively new area of investigation, indeed, mounting research and conclusive evidence demonstrate that exposure to noise, primarily from traffic sources, may affect the central nervous system and brain, thereby contributing to an increased risk of neuropsychiatric disorders such as stroke, dementia and cognitive decline, neurodevelopmental disorders, depression, and anxiety disorder. On a mechanistic level, a significant number of studies suggest the involvement of reactive oxygen species/oxidative stress and inflammatory pathways, among others, to fundamentally drive the adverse brain health effects of noise exposure. This in-depth review on the cerebral consequences of environmental noise exposure aims to contribute to the associated research needs by evaluating current findings from human and animal studies. From a public health perspective, these findings may also help to reinforce efforts promoting adequate mitigation strategies and preventive measures to lower the societal consequences of unhealthy environments.
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Affiliation(s)
- Omar Hahad
- Department of Cardiology - Cardiology I, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; German Center for Cardiovascular Research (DZHK), partner site Rhine-Main, Mainz, Germany; Leibniz Institute for Resilience Research (LIR), Mainz, Germany.
| | - Maria Teresa Bayo Jimenez
- Department of Cardiology - Cardiology I, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Marin Kuntic
- Department of Cardiology - Cardiology I, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Katie Frenis
- Boston Children's Hospital and Harvard Medical School, Department of Hematology/Oncology, Boston, MA, USA
| | - Sebastian Steven
- Department of Cardiology - Cardiology I, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; German Center for Cardiovascular Research (DZHK), partner site Rhine-Main, Mainz, Germany
| | - Andreas Daiber
- Department of Cardiology - Cardiology I, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; German Center for Cardiovascular Research (DZHK), partner site Rhine-Main, Mainz, Germany
| | - Thomas Münzel
- Department of Cardiology - Cardiology I, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; German Center for Cardiovascular Research (DZHK), partner site Rhine-Main, Mainz, Germany
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18
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Alinaghipour A, Salami M, Nabavizadeh F. Nanocurcumin substantially alleviates noise stress-induced anxiety-like behavior: the roles of tight junctions and NMDA receptors in the hippocampus. Behav Brain Res 2022; 432:113975. [PMID: 35750244 DOI: 10.1016/j.bbr.2022.113975] [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: 03/14/2022] [Revised: 05/30/2022] [Accepted: 06/18/2022] [Indexed: 12/01/2022]
Abstract
Environmental noise stress affects non-auditory brain regions such as the hippocampus; an area of the brain implicated in cognition and emotion. Recent experimental data indicate that dysfunction of the blood-brain barrier (BBB) and overexpression of NMDA receptors may cause anxiety. In this experiment, we evaluated the effect of nanocurcumin on anxiety-like behavior and the expression of tight junctions and NMDA receptor subunits in the hippocampus of rats exposed to traffic noise. Forty rats were assigned to control (CON), stress (ST), nanocurcumin (NC), and nanocurcumin+stress (NC+ST) groups. Anxiety-like behavior was evaluated through an elevated zero maze apparatus. The gene expression of tight junctions and NMDA receptor subunits was examined by real-time PCR in the hippocampus. Statistical analysis showed that noise exposure developed anxiety-like behavior and elevated the corticosterone level in the ST group compared to the CON group. The nanocurcumin administration decreased the stress and anxiety in the NC+ST group compared to the ST animals. While the noise stress reduced the gene expression of tight junctions occludin, claudin-5, and ZO-1, the nanocurcumin administration increased them in the NC+ST animals. Furthermore, the noise stress elevated the gene expression of the NMDA receptor subunits GRIN1 and GRIN2B. The NC+ST animals showed a modification of these subunits compared to the ST animals. Our findings showed that noise exposure promotes stress and anxiety and impairs the NMDA receptor structure and BBB integrity. The nanocurcumin treatment displayed partly restored the destructive effects of noise exposure.
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Affiliation(s)
- Azam Alinaghipour
- Electrophysiology Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, I. R. Iran; Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Tehran, I. R. Iran
| | - Mahmoud Salami
- Physiology Research Center, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, I. R. Iran
| | - Fatemeh Nabavizadeh
- Electrophysiology Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, I. R. Iran; Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Tehran, I. R. Iran.
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19
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Foraster M, Esnaola M, López-Vicente M, Rivas I, Álvarez-Pedrerol M, Persavento C, Sebastian-Galles N, Pujol J, Dadvand P, Sunyer J. Exposure to road traffic noise and cognitive development in schoolchildren in Barcelona, Spain: A population-based cohort study. PLoS Med 2022; 19:e1004001. [PMID: 35653430 PMCID: PMC9162347 DOI: 10.1371/journal.pmed.1004001] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Accepted: 04/27/2022] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Road traffic noise is a prevalent and known health hazard. However, little is known yet about its effect on children's cognition. We aimed to study the association between exposure to road traffic noise and the development of working memory and attention in primary school children, considering school-outdoor and school-indoor annual average noise levels and noise fluctuation characteristics, as well as home-outdoor noise exposure. METHODS AND FINDINGS We followed up a population-based sample of 2,680 children aged 7 to 10 years from 38 schools in Barcelona (Catalonia, Spain) between January 2012 to March 2013. Children underwent computerised cognitive tests 4 times (n = 10,112), for working memory (2-back task, detectability), complex working memory (3-back task, detectability), and inattentiveness (Attention Network Task, hit reaction time standard error, in milliseconds). Road traffic noise was measured indoors and outdoors at schools, at the start of the school year, using standard protocols to obtain A-weighted equivalent sound pressure levels, i.e., annual average levels scaled to human hearing, for the daytime (daytime LAeq, in dB). We also derived fluctuation indicators out of the measurements (noise intermittency ratio, %; and number of noise events) and obtained individual estimated indoor noise levels (LAeq) correcting for classroom orientation and classroom change between years. Home-outdoor noise exposure at home (Lden, i.e., EU indicator for the 24-hour annual average levels) was estimated using Barcelona's noise map for year 2012, according to the European Noise Directive (2002). We used linear mixed models to evaluate the association between exposure to noise and cognitive development adjusting for age, sex, maternal education, socioeconomical vulnerability index at home, indoor or outdoor traffic-related air pollution (TRAP) for corresponding school models or outdoor nitrogen dioxide (NO2) for home models. Child and school were included as nested random effects. The median age (percentile 25, percentile 75) of children in visit 1 was 8.5 (7.8; 9.3) years, 49.9% were girls, and 50% of the schools were public. School-outdoor exposure to road traffic noise was associated with a slower development in working memory (2-back and 3-back) and greater inattentiveness over 1 year in children, both for the average noise level (e.g., ‒4.83 points [95% CI: ‒7.21, ‒2.45], p-value < 0.001, in 2-back detectability per 5 dB in street levels) and noise fluctuation (e.g., ‒4.38 [‒7.08, ‒1.67], p-value = 0.002, per 50 noise events at street level). Individual exposure to the road traffic average noise level in classrooms was only associated with inattentiveness (2.49 ms [0, 4.81], p-value = 0.050, per 5 dB), whereas indoor noise fluctuation was consistently associated with all outcomes. Home-outdoor noise exposure was not associated with the outcomes. Study limitations include a potential lack of generalizability (58% of mothers with university degree in our study versus 50% in the region) and the lack of past noise exposure assessment. CONCLUSIONS We observed that exposure to road traffic noise at school, but not at home, was associated with slower development of working memory, complex working memory, and attention in schoolchildren over 1 year. Associations with noise fluctuation indicators were more evident than with average noise levels in classrooms.
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Affiliation(s)
- Maria Foraster
- ISGlobal, Barcelona, Spain
- Universitat Pompeu Fabra (UPF), Barcelona, Spain
- CIBER Epidemiología y Salud Pública (CIBEREsp), Madrid, Spain
- PHAGEX Research Group, Blanquerna School of Health Science, Universitat Ramon Llull (URL), Barcelona, Spain
- * E-mail:
| | - Mikel Esnaola
- ISGlobal, Barcelona, Spain
- Universitat Pompeu Fabra (UPF), Barcelona, Spain
- CIBER Epidemiología y Salud Pública (CIBEREsp), Madrid, Spain
| | - Mónica López-Vicente
- Department of Child and Adolescent Psychiatry and Psychology, Erasmus MC University Medical Center, Rotterdam, the Netherlands
| | - Ioar Rivas
- ISGlobal, Barcelona, Spain
- Universitat Pompeu Fabra (UPF), Barcelona, Spain
- CIBER Epidemiología y Salud Pública (CIBEREsp), Madrid, Spain
| | - Mar Álvarez-Pedrerol
- ISGlobal, Barcelona, Spain
- Universitat Pompeu Fabra (UPF), Barcelona, Spain
- CIBER Epidemiología y Salud Pública (CIBEREsp), Madrid, Spain
| | - Cecilia Persavento
- ISGlobal, Barcelona, Spain
- Universitat Pompeu Fabra (UPF), Barcelona, Spain
- CIBER Epidemiología y Salud Pública (CIBEREsp), Madrid, Spain
| | | | - Jesus Pujol
- MRI Research Unit, Department of Radiology, Hospital del Mar, Barcelona, Spain
- Centro Investigación Biomédica en Red de Salud Mental, CIBERSAM, Barcelona, Spain
| | - Payam Dadvand
- ISGlobal, Barcelona, Spain
- Universitat Pompeu Fabra (UPF), Barcelona, Spain
- CIBER Epidemiología y Salud Pública (CIBEREsp), Madrid, Spain
| | - Jordi Sunyer
- ISGlobal, Barcelona, Spain
- Universitat Pompeu Fabra (UPF), Barcelona, Spain
- CIBER Epidemiología y Salud Pública (CIBEREsp), Madrid, Spain
- IMIM (Hospital del Mar Medical Research Institute), Barcelona, Spain
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20
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Manukyan AL. Noise as a cause of neurodegenerative disorders: molecular and cellular mechanisms. Neurol Sci 2022; 43:2983-2993. [PMID: 35166975 DOI: 10.1007/s10072-022-05948-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 02/08/2022] [Indexed: 12/21/2022]
Abstract
Noise as an environmental stressor becomes of increasing importance in our industrialized world, and especially traffic noise from the environment represents a potential novel neurodegenerative risk factor, as well as for hearing loss. A significant number of studies have been suggested that the overproduction of reactive oxygen species (ROS) has a complex role in stimulation of pathologic events. Experimental studies upon molecular pathways of traffic noise exposure proposed that it increased the level of stress hormones and mediated the inflammatory and oxidative stress (OS) pathways resulting in endothelial and neuronal dysfunction. Studies have shown that neurons are especially sensitive to OS due to high polyunsaturated fatty acids content in membranes, high oxygen uptake, and weak antioxidant defense. However, OS induces the necrotic and apoptotic cell deaths in the cochlea. Chronic noise is one of the many overall reasons of obtained sensorineural hearing loss which destroys cognitive functions in human and animals, as well as suppresses neurogenesis in the hippocampus. Nevertheless, behavioral disorders caused by noise are mainly accompanied with oxidative stress, but the clear molecular mechanism of neurodegeneration due to disruption of the pro- and antioxidant systems is still not fully understood. This paper aims to highlight the down-stream pathophysiology of noise-induced mental disorders, including hearing loss, annoyance, anxiety, depression, memory loss, and Alzheimer's disease, describing the underlying mechanisms of induction of inflammation and oxidative stress.
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Affiliation(s)
- Ashkhen L Manukyan
- Department of Medical Chemistry, Yerevan State Medical University after M. Heratsi, Koryun 2, 0025, Yerevan, Armenia.
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21
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Wang Y, Huang X, Zhang J, Huang S, Wang J, Feng Y, Jiang Z, Wang H, Yin S. Bottom-Up and Top-Down Attention Impairment Induced by Long-Term Exposure to Noise in the Absence of Threshold Shifts. Front Neurol 2022; 13:836683. [PMID: 35299612 PMCID: PMC8920971 DOI: 10.3389/fneur.2022.836683] [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: 12/15/2021] [Accepted: 01/31/2022] [Indexed: 11/13/2022] Open
Abstract
Objective We aimed to assess the effect of noise exposure on bottom-up and top-down attention functions in industrial workers based on behavioral and brain responses recorded by the multichannel electroencephalogram (EEG). Method In this cross-sectional study, 563 shipyard noise-exposed workers with clinical normal hearing were recruited for cognitive testing. Personal cumulative noise exposure (CNE) was calculated with the long-term equivalent noise level and employment duration. The performance of cognitive tests was compared between the high CNE group (H-CNE, >92.2) and the low CNE group; additionally, brain responses were recorded with a 256-channel EEG from a subgroup of 20 noise-exposed (NG) workers, who were selected from the cohort with a pure tone threshold <25 dB HL from 0.25 to 16 kHz and 20 healthy controls matched for age, sex, and education. P300 and mismatch negativity (MMN) evoked by auditory stimuli were obtained to evaluate the top-down and bottom-up attention functions. The sources of P300 and MMN were investigated using GeoSource. Results The total score of the cognitive test (24.55 ± 3.71 vs. 25.32 ± 2.62, p < 0.01) and the subscale of attention score (5.43 ± 1.02 vs. 5.62 ± 0.67, p < 0.001) were significantly lower in the H-CNE group than in the L-CNE group. The attention score has the fastest decline of all the cognitive domain dimensions (slope = -0.03 in individuals under 40 years old, p < 0.001; slope = -0.06 in individuals older than 40 years old, p < 0.001). When NG was compared with controls, the P300 amplitude was significantly decreased in NG at Cz (3.9 ± 2.1 vs. 6.7 ± 2.3 μV, p < 0.001). In addition, the latency of P300 (390.7 ± 12.1 vs. 369.4 ± 7.5 ms, p < 0.001) and MMN (172.8 ± 15.5 vs. 157.8 ± 10.5 ms, p < 0.01) was significantly prolonged in NG compared with controls. The source for MMN for controls was in the left BA11, whereas the noise exposure group's source was lateralized to the BA20. Conclusion Long-term exposure to noise deteriorated the bottom-up and top-down attention functions even in the absence of threshold shifts, as evidenced by behavioral and brain responses.
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Affiliation(s)
- Ying Wang
- Department of Otolaryngology-Head and Neck Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.,Otolaryngology Institute of Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai, China
| | - Xuan Huang
- Department of Otolaryngology-Head and Neck Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.,Otolaryngology Institute of Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai, China
| | - Jiajia Zhang
- Department of Otolaryngology-Head and Neck Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.,Otolaryngology Institute of Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai, China
| | - Shujian Huang
- Department of Otolaryngology-Head and Neck Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.,Otolaryngology Institute of Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai, China
| | - Jiping Wang
- Department of Otolaryngology-Head and Neck Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.,Otolaryngology Institute of Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai, China
| | - Yanmei Feng
- Department of Otolaryngology-Head and Neck Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.,Otolaryngology Institute of Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai, China
| | - Zhuang Jiang
- Department of Otolaryngology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Hui Wang
- Department of Otolaryngology-Head and Neck Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.,Otolaryngology Institute of Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai, China
| | - Shankai Yin
- Department of Otolaryngology-Head and Neck Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.,Otolaryngology Institute of Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai, China
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22
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Alinaghipour A, Ashabi G, Riahi E, Soheili M, Salami M, Nabavizadeh F. Effects of nano-curcumin on noise stress-induced hippocampus-dependent memory impairment: behavioral and electrophysiological aspects. Pharmacol Rep 2022; 74:461-469. [DOI: 10.1007/s43440-022-00354-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 01/11/2022] [Accepted: 01/12/2022] [Indexed: 12/11/2022]
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23
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Frenis K, Kalinovic S, Ernst BP, Kvandova M, Al Zuabi A, Kuntic M, Oelze M, Stamm P, Bayo Jimenez MT, Kij A, Keppeler K, Klein V, Strohm L, Ubbens H, Daub S, Hahad O, Kröller-Schön S, Schmeisser MJ, Chlopicki S, Eckrich J, Strieth S, Daiber A, Steven S, Münzel T. Long-Term Effects of Aircraft Noise Exposure on Vascular Oxidative Stress, Endothelial Function and Blood Pressure: No Evidence for Adaptation or Tolerance Development. Front Mol Biosci 2022; 8:814921. [PMID: 35174211 PMCID: PMC8841864 DOI: 10.3389/fmolb.2021.814921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Accepted: 12/24/2021] [Indexed: 11/13/2022] Open
Abstract
Transportation noise is recognized as an important cardiovascular risk factor. Key mechanisms are noise-triggered vascular inflammation and oxidative stress with subsequent endothelial dysfunction. Here, we test for adaptation or tolerance mechanisms in mice in response to chronic noise exposure. C57BL/6J mice were exposed to aircraft noise for 0, 4, 7, 14 and 28d at a mean sound pressure level of 72 dB(A) and peak levels of 85 dB(A). Chronic aircraft noise exposure up to 28d caused persistent endothelial dysfunction and elevation of blood pressure. Likewise, reactive oxygen species (ROS) formation as determined by dihydroethidium (DHE) staining and HPLC-based measurement of superoxide formation in the aorta/heart/brain was time-dependently increased by noise. Oxidative burst in the whole blood showed a maximum at 4d or 7d of noise exposure. Increased superoxide formation in the brain was mirrored by a downregulation of neuronal nitric oxide synthase (Nos3) and transcription factor Foxo3 genes, whereas Vcam1 mRNA, a marker for inflammation was upregulated in all noise exposure groups. Induction of a pronounced hearing loss in the mice was excluded by auditory brainstem response audiometry. Endothelial dysfunction and inflammation were present during the entire 28d of aircraft noise exposure. ROS formation gradually increases with ongoing exposure without significant adaptation or tolerance in mice in response to chronic noise stress at moderate levels. These data further illustrate health side effects of long-term noise exposure and further strengthen a consequent implementation of the WHO noise guidelines in order to prevent the development of noise-related future cardiovascular disease.
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Affiliation(s)
- Katie Frenis
- Department of Cardiology, Cardiology 1, Laboratory of Molecular Cardiology, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
- Boston Children’s Hospital and Harvard Medical School, Department of Hematology/Oncology, Boston, MA, United States
| | - Sanela Kalinovic
- Department of Cardiology, Cardiology 1, Laboratory of Molecular Cardiology, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Benjamin P. Ernst
- Department of Otorhinolaryngology, University Medical Center Bonn (UKB), Bonn, Germany
| | - Miroslava Kvandova
- Department of Cardiology, Cardiology 1, Laboratory of Molecular Cardiology, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Ahmad Al Zuabi
- Department of Cardiology, Cardiology 1, Laboratory of Molecular Cardiology, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Marin Kuntic
- Department of Cardiology, Cardiology 1, Laboratory of Molecular Cardiology, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Matthias Oelze
- Department of Cardiology, Cardiology 1, Laboratory of Molecular Cardiology, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Paul Stamm
- Department of Cardiology, Cardiology 1, Laboratory of Molecular Cardiology, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Maria Teresa Bayo Jimenez
- Department of Cardiology, Cardiology 1, Laboratory of Molecular Cardiology, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Agnieszka Kij
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Krakow, Poland
| | - Karin Keppeler
- Department of Cardiology, Cardiology 1, Laboratory of Molecular Cardiology, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Veronique Klein
- Department of Cardiology, Cardiology 1, Laboratory of Molecular Cardiology, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Lea Strohm
- Department of Cardiology, Cardiology 1, Laboratory of Molecular Cardiology, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Henning Ubbens
- Department of Cardiology, Cardiology 1, Laboratory of Molecular Cardiology, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Steffen Daub
- Department of Cardiology, Cardiology 1, Laboratory of Molecular Cardiology, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Omar Hahad
- Department of Cardiology, Cardiology 1, Laboratory of Molecular Cardiology, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Mainz, Germany
| | - Swenja Kröller-Schön
- Department of Cardiology, Cardiology 1, Laboratory of Molecular Cardiology, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Michael J. Schmeisser
- Institute for Microscopic Anatomy and Neurobiology, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany
- Focus Program Translational Neurosciences (FTN), University Medical Center of the Johannes Gutenberg-University, Mainz, Germany
| | - Stefan Chlopicki
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Krakow, Poland
- Department of Pharmacology, Medical College of the Jagiellonian University, Krakow, Poland
| | - Jonas Eckrich
- Department of Otorhinolaryngology, University Medical Center Bonn (UKB), Bonn, Germany
| | - Sebastian Strieth
- Department of Otorhinolaryngology, University Medical Center Bonn (UKB), Bonn, Germany
| | - Andreas Daiber
- Department of Cardiology, Cardiology 1, Laboratory of Molecular Cardiology, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Mainz, Germany
- Center for Thrombosis and Hemostasis, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany
- *Correspondence: Andreas Daiber, ; Thomas Münzel,
| | - Sebastian Steven
- Department of Cardiology, Cardiology 1, Laboratory of Molecular Cardiology, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
- Center for Thrombosis and Hemostasis, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany
| | - Thomas Münzel
- Department of Cardiology, Cardiology 1, Laboratory of Molecular Cardiology, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Mainz, Germany
- Center for Thrombosis and Hemostasis, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany
- *Correspondence: Andreas Daiber, ; Thomas Münzel,
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Synaptamide Improves Cognitive Functions and Neuronal Plasticity in Neuropathic Pain. Int J Mol Sci 2021; 22:ijms222312779. [PMID: 34884587 PMCID: PMC8657620 DOI: 10.3390/ijms222312779] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 11/24/2021] [Accepted: 11/24/2021] [Indexed: 01/14/2023] Open
Abstract
Neuropathic pain arises from damage or dysfunction of the peripheral or central nervous system and manifests itself in a wide variety of sensory symptoms and cognitive disorders. Many studies demonstrate the role of neuropathic pain-induced neuroinflammation in behavioral disorders. For effective neuropathic pain treatment, an integrative approach is required, which simultaneously affects several links of pathogenesis. One promising candidate for this role is synaptamide (N-docosahexaenoylethanolamine), which is an endogenous metabolite of docosahexaenoic acid. In this study, we investigated the activity of synaptamide on mice behavior and hippocampal plasticity in neuropathic pain induced by spared nerve injury (SNI). We found a beneficial effect of synaptamide on the thermal allodynia and mechanical hyperalgesia dynamics. Synaptamide prevented working and long-term memory impairment. These results are probably based on the supportive effect of synaptamide on SNI-impaired hippocampal plasticity. Nerve ligation caused microglia activation predominantly in the contralateral hippocampus, while synaptamide inhibited this effect. The treatment reversed dendritic tree degeneration, dendritic spines density reduction on CA1-pyramidal neurons, neurogenesis deterioration, and hippocampal long-term potentiation (LTP) impairment. In addition, synaptamide inhibits changes in the glutamatergic receptor expression. Thus, synaptamide has a beneficial effect on hippocampal functioning, including synaptic plasticity and hippocampus-dependent cognitive processes in neuropathic pain.
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25
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Hu Q, Feng Y, Xu M. Are There Heterogeneous Impacts of Air Pollution on Mental Health? Front Public Health 2021; 9:780022. [PMID: 34869193 PMCID: PMC8640523 DOI: 10.3389/fpubh.2021.780022] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Accepted: 10/22/2021] [Indexed: 12/02/2022] Open
Abstract
Many studies reveal that air pollution is related to mental health. However, the level of impact and the regulatory mechanism of air pollution on different types of mental health are unknown. This paper examines the heterogeneous impact and mediating mechanisms of air pollution on mental health based on data of 51 countries from 2010 to 2017 by using panel Tobit random effect model, mediating effect model, and bootstrap test. The findings show that, firstly, there is heterogeneous impact of air pollution on different types of mental health. Specifically, air pollution has a significant positive impact on depression; and the impacts on happiness and anxiety are closely related to income level. Secondly, the heterogeneous impact of air pollution on mental health is contingent on income levels. Thirdly, the heterogeneous impacts under different income levels are exacerbated by different levels of education and population density. Lastly, the mediating effect of physical health on different types of mental health is also heterogeneous. To be specific, the effects of air pollution on depression and anxiety are partly mediated by physical health; whereas the effect on happiness is not. These findings contribute to the understanding of air pollution on public health, and have significant implication for social and public health policy makers.
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Affiliation(s)
- Qingqing Hu
- School of International Studies, Hunan Institute of Technology, Hengyang, China
| | - Yanhong Feng
- School of Economics and Statistics, Guangzhou University, Guangzhou, China
| | - Mark Xu
- Portsmouth Business School, University of Portsmouth, Portsmouth, United Kingdom
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26
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Paciello F, Rinaudo M, Longo V, Cocco S, Conforto G, Pisani A, Podda MV, Fetoni AR, Paludetti G, Grassi C. Auditory sensory deprivation induced by noise exposure exacerbates cognitive decline in a mouse model of Alzheimer's disease. eLife 2021; 10:70908. [PMID: 34699347 PMCID: PMC8547960 DOI: 10.7554/elife.70908] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 10/15/2021] [Indexed: 12/18/2022] Open
Abstract
Although association between hearing impairment and dementia has been widely documented by epidemiological studies, the role of auditory sensory deprivation in cognitive decline remains to be fully understood. To address this issue we investigated the impact of hearing loss on the onset and time-course of cognitive decline in an animal model of Alzheimer's disease (AD), that is the 3×Tg-AD mice and the underlying mechanisms. We found that hearing loss induced by noise exposure in the 3×Tg-AD mice before the phenotype is manifested caused persistent synaptic and morphological alterations in the auditory cortex. This was associated with earlier hippocampal dysfunction, increased tau phosphorylation, neuroinflammation, and redox imbalance, along with anticipated memory deficits compared to the expected time-course of the neurodegenerative phenotype. Our data suggest that a mouse model of AD is more vulnerable to central damage induced by hearing loss and shows reduced ability to counteract noise-induced detrimental effects, which accelerates the neurodegenerative disease onset.
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Affiliation(s)
- Fabiola Paciello
- Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy.,Department of Neuroscience, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Marco Rinaudo
- Department of Neuroscience, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Valentina Longo
- Department of Neuroscience, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Sara Cocco
- Department of Neuroscience, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Giulia Conforto
- Department of Neuroscience, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Anna Pisani
- Department of Otolaryngology Head and Neck Surgery, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Maria Vittoria Podda
- Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy.,Department of Neuroscience, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Anna Rita Fetoni
- Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy.,Department of Otolaryngology Head and Neck Surgery, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Gaetano Paludetti
- Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy.,Department of Otolaryngology Head and Neck Surgery, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Claudio Grassi
- Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy.,Department of Neuroscience, Università Cattolica del Sacro Cuore, Rome, Italy
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27
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El Marzouki H, Aboussaleh Y, Najimi M, Chigr F, Ahami A. Effect of Cold Stress on Neurobehavioral and Physiological Parameters in Rats. Front Physiol 2021; 12:660124. [PMID: 34603068 PMCID: PMC8485037 DOI: 10.3389/fphys.2021.660124] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Accepted: 08/16/2021] [Indexed: 11/13/2022] Open
Abstract
Objective: Cold stress is an important current issue and implementing control strategies to limit its sometimes harmful effects is crucial. Cold is a common stressor that can occur in our work and our occupational or leisure time activities every day. There are substantial studies on the effects of chronic stress on memory and behavior, although, the cognitive changes and anxiety disorders that can occur after exposure to chronic intermittent cold stress are not completely characterized. Therefore, the present study was undertaken with an aim to investigate the effects of chronic intermittent cold stress on body weight, food intake and working memory, and to elucidate cold stress related anxiety disorders using cognitive and behavioral test batteries. Methods: We generated a cold stress model by exposing rats to chronic intermittent cold stress for 5 consecutive days and in order to test for the potential presence of sex differences, a comparable number of male and female rats were tested in the current study. Then, we measured the body weights, food intake and the adrenal glands weight. Working memory and recognition memory were assessed using the Y maze and the Novel Object Recognition (NOR) tasks. While, sex differences in the effects of chronic stress on behavior were evaluated by the elevated plus maze (EPM), open field maze (OF), and Marble burying (MB) tests. Results: We found that 2 h exposure to cold (4°C) resulted in an increase in the relative weight of the adrenal glands in male rats. Given the same chronic stress 5 days of cold exposure (2 h per day), increased weight gain in male rats, while females showed decreased food intake and no change in body weight. Both sexes successfully performed the Y maze and object recognition (OR) tasks, indicating intact spatial working memory performance and object recognition abilities in both male and female rats. In addition, we have shown that stress caused an increase in the level of anxiety in male rats. In contrast, the behavior of the female rats was not affected by cold exposure. Conclusion: Overall, the current results provide preliminary evidence that chronic intermittent cold stress model may not be an efficient stressor to female rats. Females exhibit resilience to cold exposure that causes an increase in the level of anxiety in male rats, which demonstrates that they are affected differently by stress and the gender is an important consideration in experimental design.
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Affiliation(s)
- Hajar El Marzouki
- Biology and Health Laboratory, Unit of Clinical and Cognitive-Behavioural Neurosciences and Applied Nutrition Health, Department of Biology, Faculty of Sciences, Ibn Tofail University, Kenitra, Morocco
| | - Youssef Aboussaleh
- Biology and Health Laboratory, Unit of Clinical and Cognitive-Behavioural Neurosciences and Applied Nutrition Health, Department of Biology, Faculty of Sciences, Ibn Tofail University, Kenitra, Morocco
| | - Mohamed Najimi
- Biological Engineering Laboratory, Faculty of Sciences and Techniques, Sultan MoulaySlimane University, Beni Mellal, Morocco
| | - Fatiha Chigr
- Biological Engineering Laboratory, Faculty of Sciences and Techniques, Sultan MoulaySlimane University, Beni Mellal, Morocco
| | - Ahmed Ahami
- Biology and Health Laboratory, Unit of Clinical and Cognitive-Behavioural Neurosciences and Applied Nutrition Health, Department of Biology, Faculty of Sciences, Ibn Tofail University, Kenitra, Morocco
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28
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Huang L, Zhang Y, Wang Y, Lan Y. Relationship Between Chronic Noise Exposure, Cognitive Impairment, and Degenerative Dementia: Update on the Experimental and Epidemiological Evidence and Prospects for Further Research. J Alzheimers Dis 2021; 79:1409-1427. [PMID: 33459723 DOI: 10.3233/jad-201037] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Degenerative dementia, of which Alzheimer's disease is the most common form, is characterized by the gradual deterioration of cognitive function. The events that trigger and promote degenerative dementia are not clear, and treatment options are limited. Experimental and epidemiological studies have revealed chronic noise exposure (CNE) as a potential risk factor for cognitive impairment and degenerative dementia. Experimental studies have indicated that long-term exposure to noise might accelerate cognitive dysfunction, amyloid-β deposition, and tau hyperphosphorylation in different brain regions such as the hippocampus and cortex. Epidemiological studies are increasingly examining the possible association between external noise exposure and dementia. In this review, we sought to construct a comprehensive summary of the relationship between CNE, cognitive dysfunction, and degenerative dementia. We also present the limitations of existing evidence as a guide regarding important prospects for future research.
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Affiliation(s)
- Lei Huang
- Department of Environmental Health and Occupational Medicine, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, P.R. China.,Department of Occupational Hazard Assessment, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, P.R. China
| | - Yang Zhang
- Department of Periodical Press and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan, P.R. China.,Chinese Evidence-Based Medicine Center, West China Hospital, Sichuan University, Chengdu, Sichuan, P.R. China
| | - Yongwei Wang
- Department of Occupational Hazard Assessment, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, P.R. China
| | - Yajia Lan
- Department of Environmental Health and Occupational Medicine, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, P.R. China
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29
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Molina SJ, Lietti ÁE, Carreira Caro CS, Buján GE, Guelman LR. Effects of early noise exposure on hippocampal-dependent behaviors during adolescence in male rats: influence of different housing conditions. Anim Cogn 2021; 25:103-120. [PMID: 34322771 DOI: 10.1007/s10071-021-01540-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 07/13/2021] [Accepted: 07/21/2021] [Indexed: 10/20/2022]
Abstract
Central nervous system (CNS) development is a very complex process that can be altered by environmental stimuli such as noise, which can generate long-term auditory and/or extra-auditory impairments. We have previously reported that early noise exposure can induce hippocampus-related behavioral alterations in postnatal day (PND) 28 adolescent rats. Furthermore, we recently found biochemical modifications in the hippocampus (HC) of these animals that seemed to endure even in more mature animals (i.e. PND35) and that have not been studied along with behavioral correlates. Thus, the aim of this work was to reveal novel data about the effects of early noise exposure on hippocampal-dependent behaviors in more mature animals. Additionally, extended enriched environment (EE) housing was evaluated to determine its capacity to induce behavioral modifications, either by its neuroprotective ability or the greater stimulation that it generates. Male Wistar rats were exposed to different noise schemes at PND7 or PND15. Upon weaning, some animals were transferred to EE whereas others were kept in standard cages. At PND35, different hippocampal-dependent behavioral assessments were performed. Results showed noise-induced behavioral changes that differed according to the scheme and age of exposure used. In addition, housing in an EE was effective either in preventing some of these changes or in inducing the appearance of new behavioral modifications. These findings suggest that CNS development would be sensitive to the effects of different type of environmental stimuli such as noise or enriched housing, leading to maladaptive behavioral changes that last even until adolescence.
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Affiliation(s)
- Sonia Jazmín Molina
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas, Centro de Estudios Farmacológicos y Botánicos (CEFyBO, UBA-CONICET), Facultad de Medicina, Paraguay 2155, Piso 15, 1121, Buenos Aires, Argentina.
| | - Ángel Emanuel Lietti
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas, Centro de Estudios Farmacológicos y Botánicos (CEFyBO, UBA-CONICET), Facultad de Medicina, Paraguay 2155, Piso 15, 1121, Buenos Aires, Argentina
| | - Candela Sofía Carreira Caro
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas, Centro de Estudios Farmacológicos y Botánicos (CEFyBO, UBA-CONICET), Facultad de Medicina, Paraguay 2155, Piso 15, 1121, Buenos Aires, Argentina
| | - Gustavo Ezequiel Buján
- Universidad de Buenos Aires, Facultad de Medicina, 1ª Cátedra de Farmacología, Buenos Aires, Argentina
| | - Laura Ruth Guelman
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas, Centro de Estudios Farmacológicos y Botánicos (CEFyBO, UBA-CONICET), Facultad de Medicina, Paraguay 2155, Piso 15, 1121, Buenos Aires, Argentina.,Universidad de Buenos Aires, Facultad de Medicina, 1ª Cátedra de Farmacología, Buenos Aires, Argentina
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30
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Mahmoodzadeh Y, Mahmoudi J, Gorgani-Firuzjaee S, Mohtavinejad N, Namvaran A. Effects of N-acetylcysteine on Noise Exposure-induced Oxidative Stress and Depressive- and Anxiety-like Behaviors in Adult Male Mice. Basic Clin Neurosci 2021; 12:499-510. [PMID: 35154590 PMCID: PMC8817184 DOI: 10.32598/bcn.2021.2026.1] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 02/16/2020] [Accepted: 06/30/2021] [Indexed: 01/28/2023] Open
Abstract
Introduction: Depression and anxiety are the most common psychiatric disorders. These conditions widely occur in industrial societies and severely affect individuals’ lives. N-Acetylcysteine (NAC) is a mucolytic compound with antioxidant and anti-inflammatory effects. This study aimed to investigate the potential therapeutic effects of NAC on chronic noise-induced depression- and anxiety-like behaviors in mice. Methods: Fifty male BALB/c mice were randomly divided into 5 groups, as follows: control, noise90 dB, noise110 dB, noise 90+NAC, and noise 110+NAC groups. Animals in the noise groups were exposed to 90 dB 2 h/day and 110 dB 2 h/day for 30 days. The NAC groups received NAC (325 mg/kg P.O.) 20 min after being exposed to noise. To evaluate depressive- and anxiety-like behaviors, the examined mice were subjected to the Open Field Test (OFT), Sucrose Preference Test (SPT), Tail Suspension Test (TST), and Elevated Plus Maze (EPM) tasks. At the end of the behavioral tests, the study animals were sacrificed. Accordingly, the levels of Malondialdehyde (MDA), Total Antioxidant Capacity (TAC), Superoxide Dismutase (SOD), and Glutathione Peroxidase (GPx) were determined in the Hippocampus (HIP) and the Prefrontal Cortex (PFC). Results: The obtained results suggested that noise exposure would induce anxiety- and depressive-like behaviors, being reversed by NAC administration. Moreover, chronic administration of NAC significantly increased antioxidant enzyme activities and reduced lipid peroxidation (MDA levels) in the PFC and HIP of noise-exposed mice. Conclusion: Our findings revealed that administrating NAC would reduce the adverse effects of noise on the brain and would exert anti-depressant and anxiolytic effects.
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Affiliation(s)
- Yavar Mahmoodzadeh
- Department of Medical Laboratory Sciences, Faculty of Paramedicine, AJA University of Medical Sciences, Tehran, Iran
| | - Javad Mahmoudi
- Neurosciences Research Center (NSRC), Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sattar Gorgani-Firuzjaee
- Department of Medical Laboratory Sciences, Faculty of Paramedicine, AJA University of Medical Sciences, Tehran, Iran
| | - Naser Mohtavinejad
- Department of Radio Pharmacy, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Ali Namvaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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31
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Alpha2-Adrenoblockers Regulate Development of Oxidative Stress and Cognitive Behaviour of Rats under Chronic Acoustic Stress Conditions. Pharmaceuticals (Basel) 2021; 14:ph14060529. [PMID: 34199400 PMCID: PMC8228817 DOI: 10.3390/ph14060529] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/14/2021] [Accepted: 05/18/2021] [Indexed: 12/16/2022] Open
Abstract
Noise is a wide-spread stress factor in modern life produced by urbanization, traffic, and an industrialized environment. Noise stress causes dysfunction and neurotransmission impairment in the central nervous system, as well as changes in hormone levels. In this study, we have examined the level of α-Tocopherol (α-T) and malondialdehyde (MDA) in plasma and the erythrocytes’ membrane (EM), as well as the behavioral characteristics of a noise-induced stress model in rats. In addition, the modulating effect of α2-adrenoblockers, beditin, and mesedin on the aforementioned parameters has been investigated. For these purposes, albino male rats were divided into four groups: (1) untreated; (2) noise-exposed, (3) noise-exposed and beditin-treated (2 mg/kg, i.p.), and (4) noise-exposed and mesedin-treated (10 mg/kg, i.p.) animals. Noise-exposed groups were treated with 91dBA noise on 60 days with a daily duration of 8 h. Increased MDA and decreased α-T levels in plasma and EM were observed upon chronic high-level noise exposure. Locomotor and behavioral activity assessed with a Y-maze revealed disorientation and increased anxiety under chronic noise exposure. Prominently, α2-adrenoblockers alleviated both behavioral deficits and oxidative stress, providing evidence for the involvement of α2-adrenoceptor in the pathophysiology of noise-induced stress.
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Xie YH, Zhou CN, Liang X, Tang J, Yang CM, Luo YM, Chao FL, Jiang L, Wang J, Qi YQ, Zhu PL, Li Y, Xiao K, Tang Y. Anti-Lingo-1 antibody ameliorates spatial memory and synapse loss induced by chronic stress. J Comp Neurol 2021; 529:1571-1583. [PMID: 32965038 DOI: 10.1002/cne.25038] [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: 02/20/2020] [Revised: 07/22/2020] [Accepted: 09/08/2020] [Indexed: 11/10/2022]
Abstract
Chronic stress can induce cognitive impairment, and synapse number was significantly decreased in the hippocampus of rats suffering from chronic stress. Lingo-1 is a potent negative regulator of axonal outgrowth and synaptic plasticity. In the current study, the effects of anti-Lingo-1 antibody on the spatial learning and memory abilities and hippocampal synapses of stressed rats were investigated. After 4 weeks of stress exposure, the model group was randomly divided into a chronic stress group and an anti-Lingo-1 group. Then, the anti-Lingo-1 group rats were treated with anti-Lingo-1 antibody (8 mg/kg) for 3 weeks. The effects of anti-Lingo-1 antibody on the spatial learning and memory abilities were investigated with the Morris water maze test. Immunohistological staining and an unbiased stereological method were used to estimate the total number of dendritic spine synapses in the hippocampus. At the behavioral level, after 3 weeks of treatment, the anti-Lingo-1 group rats displayed significantly more platform location crossings in the Morris water maze test than the chronic stress group rats. Anti-Lingo-1 significantly prevented the declines in dendritic spine synapses and postsynaptic density protein-95 (PSD-95) expression in the dentate gyrus and the CA1 and CA3 regions of the hippocampus. The present results indicated that anti-Lingo-1 antibody may be a safe and effective drug for alleviating memory impairment in rats after chronic stress and protecting synapses in the hippocampus of stressed rats.
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Affiliation(s)
- Yu-Han Xie
- Department of Histology and Embryology, Chongqing Medical University, Chongqing, P.R. China.,Laboratory of Stem Cells and Tissue Engineering, Chongqing Medical University, Chongqing, P.R. China
| | - Chun-Ni Zhou
- Department of Histology and Embryology, Chongqing Medical University, Chongqing, P.R. China.,Laboratory of Stem Cells and Tissue Engineering, Chongqing Medical University, Chongqing, P.R. China
| | - Xin Liang
- Department of Histology and Embryology, Chongqing Medical University, Chongqing, P.R. China.,Laboratory of Stem Cells and Tissue Engineering, Chongqing Medical University, Chongqing, P.R. China
| | - Jing Tang
- Department of Histology and Embryology, Chongqing Medical University, Chongqing, P.R. China.,Laboratory of Stem Cells and Tissue Engineering, Chongqing Medical University, Chongqing, P.R. China
| | - Chun-Mao Yang
- Department of Histology and Embryology, Chongqing Medical University, Chongqing, P.R. China.,Laboratory of Stem Cells and Tissue Engineering, Chongqing Medical University, Chongqing, P.R. China
| | - Yan-Min Luo
- Department of Physiology, Chongqing Medical University, Chongqing, P.R. China
| | - Feng-Lei Chao
- Department of Histology and Embryology, Chongqing Medical University, Chongqing, P.R. China.,Laboratory of Stem Cells and Tissue Engineering, Chongqing Medical University, Chongqing, P.R. China
| | - Lin Jiang
- Lab Teaching & Management Center, Chongqing Medical University, Chongqing, P.R. China
| | - Jin Wang
- Department of Histology and Embryology, Chongqing Medical University, Chongqing, P.R. China.,Laboratory of Stem Cells and Tissue Engineering, Chongqing Medical University, Chongqing, P.R. China
| | - Ying-Qiang Qi
- Department of Histology and Embryology, Chongqing Medical University, Chongqing, P.R. China.,Laboratory of Stem Cells and Tissue Engineering, Chongqing Medical University, Chongqing, P.R. China
| | - Pei-Lin Zhu
- Department of Physiology, Chongqing Medical University, Chongqing, P.R. China
| | - Yue Li
- Department of Histology and Embryology, Chongqing Medical University, Chongqing, P.R. China.,Laboratory of Stem Cells and Tissue Engineering, Chongqing Medical University, Chongqing, P.R. China
| | - Kai Xiao
- Department of Histology and Embryology, Chongqing Medical University, Chongqing, P.R. China.,Laboratory of Stem Cells and Tissue Engineering, Chongqing Medical University, Chongqing, P.R. China
| | - Yong Tang
- Department of Histology and Embryology, Chongqing Medical University, Chongqing, P.R. China.,Laboratory of Stem Cells and Tissue Engineering, Chongqing Medical University, Chongqing, P.R. China
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de Deus JL, Amorim MR, Ribeiro AB, Barcellos-Filho PCG, Ceballos CC, Branco LGS, Cunha AOS, Leão RM. Loss of Brain-Derived Neurotrophic Factor Mediates Inhibition of Hippocampal Long-Term Potentiation by High-Intensity Sound. Cell Mol Neurobiol 2021; 41:751-763. [PMID: 32445041 DOI: 10.1007/s10571-020-00881-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Accepted: 05/16/2020] [Indexed: 01/15/2023]
Abstract
Exposure to noise produces cognitive and emotional disorders, and recent studies have shown that auditory stimulation or deprivation affects hippocampal function. Previously, we showed that exposure to high-intensity sound (110 dB, 1 min) strongly inhibits Schaffer-CA1 long-term potentiation (LTP). Here we investigated possible mechanisms involved in this effect. We found that exposure to 110 dB sound activates c-fos expression in hippocampal CA1 and CA3 neurons. Although sound stimulation did not affect glutamatergic or GABAergic neurotransmission in CA1, it did depress the level of brain-derived neurotrophic factor (BDNF), which is involved in promoting hippocampal synaptic plasticity. Moreover, perfusion of slices with BDNF rescued LTP in animals exposed to sound stimulation, whereas BDNF did not affect LTP in sham-stimulated rats. Furthermore, LM22A4, a TrkB receptor agonist, also rescued LTP from sound-stimulated animals. Our results indicate that depression of hippocampal BDNF mediates the inhibition of LTP produced by high-intensity sound stimulation.
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Affiliation(s)
- Júnia L de Deus
- Department of Physiology, School of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, 14049-900, Brazil
- Department of Basic and Oral Biology, Dental School of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, 14040-904, Brazil
| | - Mateus R Amorim
- Department of Basic and Oral Biology, Dental School of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, 14040-904, Brazil
| | - Aline B Ribeiro
- Department of Physiology, School of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, 14049-900, Brazil
| | - Procópio C G Barcellos-Filho
- Department of Physiology, School of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, 14049-900, Brazil
| | - César C Ceballos
- Department of Physiology, School of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, 14049-900, Brazil
| | - Luiz Guilherme S Branco
- Department of Basic and Oral Biology, Dental School of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, 14040-904, Brazil
| | - Alexandra O S Cunha
- Department of Physiology, School of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, 14049-900, Brazil
| | - Ricardo M Leão
- Department of Physiology, School of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, 14049-900, Brazil.
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34
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Jafari Z, Kolb BE, Mohajerani MH. Life-Course Contribution of Prenatal Stress in Regulating the Neural Modulation Network Underlying the Prepulse Inhibition of the Acoustic Startle Reflex in Male Alzheimer's Disease Mice. Cereb Cortex 2021; 30:311-325. [PMID: 31070710 DOI: 10.1093/cercor/bhz089] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
The prepulse inhibition (PPI) of the acoustic startle reflex (ASR), as an index of sensorimotor gating, is one of the most extensively used paradigms in the field of neuropsychiatric disorders. Few studies have examined how prenatal stress (PS) regulates the sensorimotor gating during the lifespan and how PS modifies the development of amyloid-beta (Aβ) pathology in brain areas underlying the PPI formation. We followed alternations in corticosterone levels, learning and memory, and the PPI of the ASR measures in APPNL-G-F/NL-G-F offspring of dams exposed to gestational noise stress. In-depth quantifications of the Aβ plaque accumulation were also performed at 6 months. The results indicated an age-dependent deterioration of sensorimotor gating, long-lasting PS-induced abnormalities in PPI magnitudes, as well as deficits in spatial memory. The PS also resulted in a higher Aβ aggregation predominantly in brain areas associated with the PPI modulation network. The findings suggest the contribution of a PS-induced hypothalamic-pituitary-adrenal (HPA) axis hyperactivity in regulating the PPI modulation substrates leading to the abnormal development of the neural protection system in response to disruptive stimuli. The long-lasting HPA axis dysregulation appears to be the major underlying mechanism in precipitating the Aβ deposition, especially in brain areas contributed to the PPI modulation network.
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Affiliation(s)
- Zahra Jafari
- Department of Neuroscience, Canadian Centre for Behavioural Neuroscience, University of Lethbridge, Lethbridge, Alberta, Canada.,Department of Basic Sciences in Rehabilitation, School of Rehabilitation Sciences, Iran University of Medical Science, Tehran, Iran
| | - Bryan E Kolb
- Department of Neuroscience, Canadian Centre for Behavioural Neuroscience, University of Lethbridge, Lethbridge, Alberta, Canada
| | - Majid H Mohajerani
- Department of Neuroscience, Canadian Centre for Behavioural Neuroscience, University of Lethbridge, Lethbridge, Alberta, Canada
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Frontal Electroencephalogram Alpha Asymmetry during Mental Stress Related to Workplace Noise. SENSORS 2021; 21:s21061968. [PMID: 33799722 PMCID: PMC7999627 DOI: 10.3390/s21061968] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Revised: 02/02/2021] [Accepted: 02/08/2021] [Indexed: 02/07/2023]
Abstract
This study aims to investigate the effects of workplace noise on neural activity and alpha asymmetries of the prefrontal cortex (PFC) during mental stress conditions. Workplace noise exposure is a pervasive environmental pollutant and is negatively linked to cognitive effects and selective attention. Generally, the stress theory is assumed to underlie the impact of noise on health. Evidence for the impacts of workplace noise on mental stress is lacking. Fifteen healthy volunteer subjects performed the Montreal imaging stress task in quiet and noisy workplaces while their brain activity was recorded using electroencephalography. The salivary alpha-amylase (sAA) was measured before and immediately after each tested workplace to evaluate the stress level. The results showed a decrease in alpha rhythms, or an increase in cortical activity, of the PFC for all participants at the noisy workplace. Further analysis of alpha asymmetry revealed a greater significant relative right frontal activation of the noisy workplace group at electrode pairs F4-F3 but not F8-F7. Furthermore, a significant increase in sAA activity was observed in all participants at the noisy workplace, demonstrating the presence of stress. The findings provide critical information on the effects of workplace noise-related stress that might be neglected during mental stress evaluations.
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Ershadi ASB, Amini-Khoei H, Hosseini MJ, Dehpour AR. SAHA Improves Depressive Symptoms, Cognitive Impairment and Oxidative Stress: Rise of a New Antidepressant Class. Neurochem Res 2021; 46:1252-1263. [PMID: 33576938 DOI: 10.1007/s11064-021-03263-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 12/30/2020] [Accepted: 01/30/2021] [Indexed: 12/28/2022]
Abstract
Depression is a disabling psychiatric disorder affecting millions of people all around the world. Under current therapeutic choices, a portion of patients are not responsive, have relapses, or experience cognitive side effects. Hence, the present study aimed to find other antidepressant compounds lacking the mentioned deficiency. Since epigenetic regulations have attracted more attention in etiology of depression, histone deacetylase (HDAC) inhibitors have gained more importance due to their possible antidepressant activity. We selected a promising member of HDAC inhibitors named suberanilohydroxamic acid (SAHA) to evaluate its antidepressant properties. Early life stress disarrays many neurodevelopmental factors and consequently, leads to the destruction of hippocampus and prefrontal cortex synapses as areas highly related to emotion and memory so that any destruction on them can cause lasting impairments. For that reason, we used maternal separation (MS) paradigm to investigate depression in male mice. To compare the efficacy of SAHA with current treatment options, we also treated a group of MS mice with fluoxetine (FLX) as first-line pharmacological drugs of depression. The results demonstrated that depressive-like behavior, cognitive function and inflammatory response of MS mice were attenuated with SAHA. Our data showed that, besides anti-depressant and cognition-boosting effects similar to FLX, SAHA counteracted inflammatory response caused by depression and reversed the coenzyme Q10 (CoQ10) level in hippocampus. SAHA's effect on alleviating depressive behavior was accompanied with memory enhancement and hippocampus biochemical tests. These findings may propose SAHA as another therapeutic option for depressive symptoms, especially with comorbid cognitive impairment.
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Affiliation(s)
- Amir Sasan Bayani Ershadi
- Zanjan Applied Pharmacology Research Center, Zanjan University of Medical Sciences, Zanjan, Iran.,Departments of Pharmacology and Toxicology, School of Pharmacy, Zanjan University of Medical Sciences, P. O. Box: 45139-56184, Zanjan, Iran
| | - Hossein Amini-Khoei
- Medical Plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, P. O. Box: 88138-33435, Shahrekord, Iran
| | - Mir-Jamal Hosseini
- Zanjan Applied Pharmacology Research Center, Zanjan University of Medical Sciences, Zanjan, Iran. .,Departments of Pharmacology and Toxicology, School of Pharmacy, Zanjan University of Medical Sciences, P. O. Box: 45139-56184, Zanjan, Iran.
| | - Ahmad Reza Dehpour
- Experimental Medicine Research Center, Tehran University of Medical Sciences, Tehran, Iran. .,Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, P.O. Box: 13145-784, Tehran, Iran.
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Abstract
Pollutant agents are exponentially increasing in modern society since industrialization processes and technology are being developed worldwide. Impact of pollution on public health is well known but little has been described on the association between environmental pollutants and mental health. A literature search on PubMed and EMBASE has been conducted and 134 articles published on the issue of pollution and mental health have been included, cited, reviewed, and summarized. Emerging evidences have been collected on association between major environmental pollutants (air pollutants, heavy metals, ionizing radiation [IR], organophosphate pesticides, light pollution, noise pollution, environmental catastrophes) and various mental health disorders including anxiety, mood, and psychotic syndromes. Underlying pathogenesis includes direct and indirect effects of these agents on brain, respectively, due to their biological effect on human Central Nervous System or related to some levels of stress generated by the exposure to the pollutant agents over the time. Most of emerging evidences are still nonconclusive. Further studies should clarify how industrial production, the exploitation of certain resources, the proximity to waste and energy residues, noise, and the change in lifestyles are connected with psychological distress and mental health problems for the affected populations.
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Molina SJ, Buján GE, Guelman LR. Noise-induced hippocampal oxidative imbalance and aminoacidergic neurotransmitters alterations in developing male rats: Influence of enriched environment during adolescence. Dev Neurobiol 2021; 81:164-188. [PMID: 33386696 DOI: 10.1002/dneu.22806] [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] [Received: 06/18/2020] [Revised: 12/21/2020] [Accepted: 12/26/2020] [Indexed: 12/21/2022]
Abstract
Living in big cities might involuntarily expose people to high levels of noise causing auditory and/or extra-auditory impairments, including adverse effects on central nervous system (CNS) areas such as the hippocampus. In particular, CNS development is a very complex process that can be altered by environmental stimuli. We have previously shown that noise exposure of developing rats can induce hippocampal-related behavioral alterations. However, noise-induced biochemical alterations had not been studied yet. Thus, the aim of this work was to assess whether early noise exposure can affect rat hippocampal oxidative state and aminoacidergic neurotransmission tone. Additionally, the effectiveness of an enriched environment (EE) as a neuroprotective strategy was evaluated. Male Wistar rats were exposed to different noise schemes at 7 or 15 days after birth. Upon weaning, some animals were transferred to an EE whereas others were kept in standard cages. Short- and long-term measurements were performed to evaluate reactive oxygen species, thioredoxins levels and catalase activity as indicators of hippocampal oxidative status as well as glutamic acid decarboxylase and a subtype of glutamate transporter to evaluate aminoacidergic neurotransmission tone. Results showed noise-induced changes in hippocampal oxidative state and aminoacidergic neurotransmission markers that lasted until adolescence and differed according to the scheme and the age of exposure. Finally, EE housing was effective in preventing some of these changes. These findings suggest that CNS development seems to be sensitive to the effects of stressors such as noise, as well as those of an environmental stimulation, favoring prompt and lasting molecular changes.
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Affiliation(s)
- Sonia Jazmín Molina
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas, Centro de Estudios Farmacológicos y Botánicos (CEFyBO, UBA-CONICET), Facultad de Medicina, Buenos Aires, Argentina
| | - Gustavo Ezequiel Buján
- Universidad de Buenos Aires, Facultad de Medicina, 1ª Cátedra de Farmacología, Buenos Aires, Argentina
| | - Laura Ruth Guelman
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas, Centro de Estudios Farmacológicos y Botánicos (CEFyBO, UBA-CONICET), Facultad de Medicina, Buenos Aires, Argentina.,Universidad de Buenos Aires, Facultad de Medicina, 1ª Cátedra de Farmacología, Buenos Aires, Argentina
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Noise Exposure Alters Glutamatergic and GABAergic Synaptic Connectivity in the Hippocampus and Its Relevance to Tinnitus. Neural Plast 2021; 2021:8833087. [PMID: 33510780 PMCID: PMC7822664 DOI: 10.1155/2021/8833087] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 12/16/2020] [Accepted: 12/30/2020] [Indexed: 01/08/2023] Open
Abstract
Accumulating evidence implicates a role for brain structures outside the ascending auditory pathway in tinnitus, the phantom perception of sound. In addition to other factors such as age-dependent hearing loss, high-level sound exposure is a prominent cause of tinnitus. Here, we examined how noise exposure altered the distribution of excitatory and inhibitory synaptic inputs in the guinea pig hippocampus and determined whether these changes were associated with tinnitus. In experiment one, guinea pigs were overexposed to unilateral narrow-band noise (98 dB SPL, 2 h). Two weeks later, the density of excitatory (VGLUT-1/2) and inhibitory (VGAT) synaptic terminals in CA1, CA3, and dentate gyrus hippocampal subregions was assessed by immunohistochemistry. Overall, VGLUT-1 density primarily increased, while VGAT density decreased significantly in many regions. Then, to assess whether the noise-induced alterations were persistent and related to tinnitus, experiment two utilized a noise-exposure paradigm shown to induce tinnitus and assessed tinnitus development which was assessed using gap-prepulse inhibition of the acoustic startle (GPIAS). Twelve weeks after sound overexposure, changes in excitatory synaptic terminal density had largely recovered regardless of tinnitus status, but the recovery of GABAergic terminal density was dramatically different in animals expressing tinnitus relative to animals resistant to tinnitus. In resistant animals, inhibitory synapse density recovered to preexposure levels, but in animals expressing tinnitus, inhibitory synapse density remained chronically diminished. Taken together, our results suggest that noise exposure induces striking changes in the balance of excitatory and inhibitory synaptic inputs throughout the hippocampus and reveal a potential role for rebounding inhibition in the hippocampus as a protective factor leading to tinnitus resilience.
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Chi H, Cao W, Zhang M, Su D, Yang H, Li Z, Li C, She X, Wang K, Gao X, Ma K, Zheng P, Li X, Cui B. Environmental noise stress disturbs commensal microbiota homeostasis and induces oxi-inflammmation and AD-like neuropathology through epithelial barrier disruption in the EOAD mouse model. J Neuroinflammation 2021; 18:9. [PMID: 33407614 PMCID: PMC7789697 DOI: 10.1186/s12974-020-02053-3] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Accepted: 12/09/2020] [Indexed: 12/13/2022] Open
Abstract
Background Both genetic factors and environmental hazards, including environmental noise stress, have been associated with gut microbiome that exacerbates Alzheimer’s disease (AD) pathology. However, the role and mechanism of environmental risk factors in early-onset AD (EOAD) pathogenesis remain unclear. Methods The molecular pathways underlying EOAD pathophysiology following environmental noise exposure were evaluated using C57BL/6 wild-type (WT) and APP/PS1 Tg mouse models. The composition differences in intestinal microbiota were analyzed by 16S rRNA sequencing and Tax4Fun to predict the metagenome content from sequencing results. An assessment of the flora dysbiosis-triggered dyshomeostasis of oxi-inflamm-barrier and the effects of the CNS end of the gut–brain axis was conducted to explore the underlying pathological mechanisms. Results Both WT and APP/PS1 mice showed a statistically significant relationship between environmental noise and the taxonomic composition of the corresponding gut microbiome. Bacterial-encoded functional categories in noise-exposed WT and APP/PS1 mice included phospholipid and galactose metabolism, oxidative stress, and cell senescence. These alterations corresponded with imbalanced intestinal oxidation and anti-oxidation systems and low-grade systemic inflammation following noise exposure. Mechanistically, axis-series experiments demonstrated that following noise exposure, intestinal and hippocampal tight junction protein levels reduced, whereas serum levels of inflammatory mediator were elevated. Regarding APP/PS1 overexpression, noise-induced abnormalities in the gut–brain axis may contribute to aggravation of neuropathology in the presymptomatic stage of EOAD mice model. Conclusion Our results demonstrate that noise exposure has deleterious effects on the homeostasis of oxi-inflamm-barrier in the microbiome–gut–brain axis. Therefore, at least in a genetic context, chronic noise may aggravate the progression of EOAD.
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Affiliation(s)
- Huimin Chi
- Institute of Environmental and Operational Medicine, Chinese Academy of Military Medical sciences, Tianjin, China.,School of Public Health and Management, Weifang Medical University, Weifang, China
| | - Wa Cao
- Institute of Environmental and Operational Medicine, Chinese Academy of Military Medical sciences, Tianjin, China.,College of Public Health, North China University of Science and Technology, Tangshan, China
| | - Ming Zhang
- Shenzhen Prevention and Treatment Center for Occupational Diseases, Shenzhen, China
| | - Donghong Su
- Institute of Environmental and Operational Medicine, Chinese Academy of Military Medical sciences, Tianjin, China.,Zibo Center for Disease Control and Prevention, Zibo, China
| | - Honglian Yang
- Institute of Environmental and Operational Medicine, Chinese Academy of Military Medical sciences, Tianjin, China
| | - Zhe Li
- Institute of Environmental and Operational Medicine, Chinese Academy of Military Medical sciences, Tianjin, China
| | - Chao Li
- Institute of Environmental and Operational Medicine, Chinese Academy of Military Medical sciences, Tianjin, China
| | - Xiaojun She
- Institute of Environmental and Operational Medicine, Chinese Academy of Military Medical sciences, Tianjin, China
| | - Kun Wang
- Institute of Environmental and Operational Medicine, Chinese Academy of Military Medical sciences, Tianjin, China
| | - Xiujie Gao
- Institute of Environmental and Operational Medicine, Chinese Academy of Military Medical sciences, Tianjin, China
| | - Kefeng Ma
- Institute of Environmental and Operational Medicine, Chinese Academy of Military Medical sciences, Tianjin, China
| | - Pengfang Zheng
- Institute of Environmental and Operational Medicine, Chinese Academy of Military Medical sciences, Tianjin, China.,School of Public Health and Management, Weifang Medical University, Weifang, China
| | - Xiaofang Li
- Institute of Environmental and Operational Medicine, Chinese Academy of Military Medical sciences, Tianjin, China.,School of Public Health and Management, Binzhou Medical University, Yantai, China
| | - Bo Cui
- Institute of Environmental and Operational Medicine, Chinese Academy of Military Medical sciences, Tianjin, China. .,School of Public Health and Management, Weifang Medical University, Weifang, China.
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41
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Noise and brain. Physiol Behav 2020; 227:113136. [DOI: 10.1016/j.physbeh.2020.113136] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2019] [Revised: 07/13/2020] [Accepted: 08/11/2020] [Indexed: 01/05/2023]
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42
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Manukyan AL, Grigoryan AS, Hunanyan LS, Harutyunyan HA, Manukyan MV, Mkrtchyan VS, Melkonyan MM. Alfa2-adrenoblockers attenuate the elevated plasma cholesterol, anxiety levels and restore impaired spatial memory of rats under the chronic noise exposure. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 740:140390. [PMID: 32927557 DOI: 10.1016/j.scitotenv.2020.140390] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Revised: 06/01/2020] [Accepted: 06/19/2020] [Indexed: 06/11/2023]
Abstract
Noise is considered one of the environmental hazards that negatively affect health. It can cause damage to the auditory, neurological, hormonal and cardiovascular systems, in addition to impairing psychological and cognitive functions. Considering the significance of vascular disturbances and oxidative stress in the development of the aforementioned negative effects, the purpose of our investigation was to study the level of high density lipoprotein-cholesterol (HDL-Cl), low density lipoprotein-cholesterol (LDL-Cl), and total cholesterol (TCl) in plasma, in addition to the behavioral characteristics of white rats, and the effects of the α2-adrenoblockers beditin and mesedin to reveal their antiatherogenic effect during noise exposure. The "Open field" and "Y-maze" tests were used in order to evaluate the behavioral states of the rats. Investigations were carried out on albino rats divided into 4 groups. The 1st group of rats served as a control. The 2nd, 3rd and 4th groups were exposed to 91 dBA of noise; the duration of exposure was 8 h per day for 60 days. The 3rd group was injected with beditin and the 4th group with mesedin, both intraperitoneally and repeatedly. According to our results, the chronic exposure to high-volume noise leads to the increase of plasma TCl and LDL-Cl concentrations and the decrease of HDL-Cl levels, resulting in increase of the atherogenic coefficient, which is estimated to be one of the main cardiovascular disease risk factors. The "Open field" and "Y-maze" tests revealed that chronic noise exposure caused disturbances in the behavioral activity, a noise duration-dependent delay in movement and orientation, increased anxiety and deficit in the animals' spatial memory. The administration of α2-adrenoblockers to the noise-exposed animals had a regulatoryeffects of varying intensities, depending on the medication used and the studied parameters under the conditions of chronic acoustic stress.
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Affiliation(s)
- A L Manukyan
- Department of Medical Chemistry Yerevan State Medical University after M. Heratsi, Armenia.
| | - A S Grigoryan
- Department of Pathophysiology Yerevan State Medical University after M. Heratsi, Armenia
| | - L S Hunanyan
- Department of Medical Chemistry Yerevan State Medical University after M. Heratsi, Armenia
| | - H A Harutyunyan
- Science Research Canter, YSMU Yerevan State Medical University M. Heratsi, Armenia.
| | - M V Manukyan
- Graduate Student of Yerevan State Medical University after M. Heratsi, Armenia
| | - V S Mkrtchyan
- Graduate Student of Yerevan State Medical University after M. Heratsi, Armenia
| | - M M Melkonyan
- Department of Medical Chemistry Yerevan State Medical University after M. Heratsi, Armenia
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43
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Jafari Z, Kolb BE, Mohajerani MH. Noise exposure accelerates the risk of cognitive impairment and Alzheimer’s disease: Adulthood, gestational, and prenatal mechanistic evidence from animal studies. Neurosci Biobehav Rev 2020; 117:110-128. [DOI: 10.1016/j.neubiorev.2019.04.001] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 03/18/2019] [Accepted: 04/02/2019] [Indexed: 12/25/2022]
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44
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Haider S, Sajid I, Batool Z, Madiha S, Sadir S, Kamil N, Liaquat L, Ahmad S, Tabassum S, Khaliq S. Supplementation of Taurine Insulates Against Oxidative Stress, Confers Neuroprotection and Attenuates Memory Impairment in Noise Stress Exposed Male Wistar Rats. Neurochem Res 2020; 45:2762-2774. [PMID: 32918662 DOI: 10.1007/s11064-020-03127-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 08/07/2020] [Accepted: 09/05/2020] [Indexed: 12/30/2022]
Abstract
Noise has always been an important environmental factor that induces health problems in the general population. Due to ever increasing noise pollution, humans are facing multiple auditory and non-auditory problems including neuropsychiatric disorders. In modern day life it is impossible to avoid noise due to the rapid industrialization of society. Continuous exposure to noise stress creates a disturbance in brain function which may lead to memory disorder. Therefore, it is necessary to find preventive measures to reduce the deleterious effects of noise exposure. Supplementation of taurine, a semi essential amino acid, is reported to alleviate psychiatric disorders. In this study noise-exposed (100 db; 3 h daily for 15 days) rats were supplemented with taurine at a dose of 100 mg/kg for 15 days. Spatial and recognition memory was assessed using the Morris water maze and novel object recognition task, respectively. Results of this study showed a reversal of noise-induced memory impairment in rats. The derangements of catecholaminergic and serotonergic levels in the hippocampus and altered brain antioxidant enzyme activity due to noise exposure were also restored by taurine administration. This study highlights the importance of taurine supplementation to mitigate noise-induced impaired memory via normalizing the neurochemical functions and reducing oxidative stress in rat brain.
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Affiliation(s)
- Saida Haider
- Neurochemistry and Biochemical Neuropharmacology Research Unit, Department of Biochemistry, University of Karachi, Karachi, 75270, Pakistan
| | - Irfan Sajid
- Neurochemistry and Biochemical Neuropharmacology Research Unit, Department of Biochemistry, University of Karachi, Karachi, 75270, Pakistan
- Department of Biochemistry, Federal Urdu University of Arts, Science and Technology, Karachi, Pakistan
| | - Zehra Batool
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and BiologicalSciences, University of Karachi, Karachi, 75270, Pakistan.
| | - Syeda Madiha
- Neurochemistry and Biochemical Neuropharmacology Research Unit, Department of Biochemistry, University of Karachi, Karachi, 75270, Pakistan
| | - Sadia Sadir
- Neurochemistry and Biochemical Neuropharmacology Research Unit, Department of Biochemistry, University of Karachi, Karachi, 75270, Pakistan
| | - Noor Kamil
- Department of Basic Medical Sciences, Faculty of Pharmacy, Barrett Hodgson University, Karachi, Pakistan
| | - Laraib Liaquat
- Neurochemistry and Biochemical Neuropharmacology Research Unit, Department of Biochemistry, University of Karachi, Karachi, 75270, Pakistan
| | - Saara Ahmad
- Department of Biological and Biomedical Sciences, The Aga Khan University, Karachi, Pakistan
| | - Saiqa Tabassum
- Neurochemistry and Biochemical Neuropharmacology Research Unit, Department of Biochemistry, University of Karachi, Karachi, 75270, Pakistan
- Department of Biochemistry, Shaheed Zuifiqar Ali Bhutto Institute of Science and Technology, Karachi, Pakistan
| | - Saima Khaliq
- Department of Biochemistry, Federal Urdu University of Arts, Science and Technology, Karachi, Pakistan
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45
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Neuroanatomical changes of the medial prefrontal cortex of male pups of Wistar rat after prenatal and postnatal noise stress. Acta Histochem 2020; 122:151589. [PMID: 32778245 DOI: 10.1016/j.acthis.2020.151589] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 06/27/2020] [Accepted: 06/28/2020] [Indexed: 12/11/2022]
Abstract
Recent evidences showed that, noise stress causes abnormal changes in structure and function of central nervous system (CNS). The Current study was conducted to evaluate some stereological parameters of the medial prefrontal cortex (mPFC) of male pups of Wistar rat after prenatal and early postnatal noise stress. 18 pregnant Wistar rats were randomly divided into prenatal noise-exposed (NE) group, postnatal NE group, and controls. Male pups of NE groups were exposed to noise 100 dB at the frequency ranges of 500-8000 Hz, 4 h per day from gestational day one (GD1) to GD21 for the prenatal NE group, and from postnatal day one (PND1) to PND21 in the postnatal NE group. The Control group animals were maintained under standard condition without noise stimulation. Corticosterone level in plasma was measured using ELISA technique. Changes of the neurons and non-neurons cells number and volume of the mPFC were evaluated by stereological analysis. Tunnel assay was also used for detection of apoptotic cells. Increase in plasma corticosterone level, decrease in the number of neurons, and increase in the apoptotic cells number were observed in both NE groups. Decrease in volume of mPFC and also in non-neurons cells number was observed in the prenatal NE group. An increase in the non-neurons number was seen in the postnatal NE group. Data of the current comparative study showed that, noise stress during prenatal and early postnatal periods can induce the abnormal alteration in some stereological parameters of mPFC in male pups of Wistar rat. These negative alterations were more remarkable after prenatal noise stress.
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46
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Nadhimi Y, Llano DA. Does hearing loss lead to dementia? A review of the literature. Hear Res 2020; 402:108038. [PMID: 32814645 DOI: 10.1016/j.heares.2020.108038] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 06/04/2020] [Accepted: 07/02/2020] [Indexed: 12/31/2022]
Abstract
Recent studies have revealed a correlation between aging-related hearing loss and the likelihood of developing Alzheimer Disease. However, it is not yet known if the correlation simply reflects the fact that these two disorders share common risk factors or whether there is a causal link between them. The answer to this question carries therapeutic implications. Unfortunately, it is not possible to study the question of causality between aging-related hearing loss and dementia in human subjects. Here, we evaluate the research surrounding induced-hearing loss in animal models on non-auditory cognition to help infer if there is any causal evidence linking hearing loss and a more general dementia. We find ample evidence that induction of hearing loss in animals produces cognitive decline, particularly hippocampal dysfunction. The data suggest that noise-exposure produces a toxic milieu in the hippocampus consisting of a spike in glucocorticoid levels, elevations of mediators of oxidative stress and excitotoxicity, which as a consequence induce cessation of neurogenesis, synaptic loss and tau hyperphosphorylation. These data suggest that hearing loss can lead to pathological hallmarks similar to those seen in Alzheimer's Disease and other dementias. However, the rodent data do not establish that hearing loss on its own can induce a progressive degenerative dementing illness. Therefore, we conclude that an additional "hit", such as aging, APOE genotype, microvascular disease or others, may be necessary to trigger an ongoing degenerative process such as Alzheimer Disease.
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Affiliation(s)
- Yosra Nadhimi
- Molecular and Cellular Biology, University of Illinois at Urbana-Champaign, USA
| | - Daniel A Llano
- Molecular and Cellular Biology, University of Illinois at Urbana-Champaign, USA; Neuroscience Program, University of Illinois at Urbana-Champaign, USA; Carle Neuroscience Institute, Urbana, IL, USA; Beckman Institute for Advanced Science and Technology, Urbana, IL, USA.
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47
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Shukla M, Mani KV, Deepshikha, Shukla S, Kapoor N. Moderate noise associated oxidative stress with concomitant memory impairment, neuro-inflammation and neurodegeneration. Brain Behav Immun Health 2020; 5:100089. [PMID: 34589861 PMCID: PMC8474184 DOI: 10.1016/j.bbih.2020.100089] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 05/24/2020] [Accepted: 05/29/2020] [Indexed: 01/16/2023] Open
Abstract
Noise, a disturbing and unwanted sound is currently being perceived as a widespread environmental stressor. In the present study we investigated the activation of oxidative stress as a mechanism involved in cognitive impairment through changes in neuro-inflammation. Sprague Dawley rats (200-220 g m) were exposed to moderate (100dB) sound pressure level (SPL) noise daily for 2 h s over a period of 15 and 30 days and the consequence on brain regions of hippocampus observed through behavioral studies by Morris Water Maze to assess effects on spatial memory coupled with biochemical evaluation of markers of oxidative stress and inflammation. Further, the underlying mechanism pertaining to apoptosis was investigated by immuno-histological studies through assessment of Caspase-3 and TUNEL assay as well as morphological parameters, namely Nissl bodies in CA1, CA3 and DG regions of hippocampus. Poorer performance in the MWM indicative of decrement in concept formation, attention, working memory, and reference memory was observed on 15 and 30 days of noise exposures. At the cellular level, increased oxidative stress and inflammation was noticed as evinced by elevated levels of TNF-α, IL-6, IL-1α and IFN-γ in both hippocampus and plasma. Exposure to noise also led to a gradual increase in the number of pyknotic and apoptotic neurons together with the increase in DNA fragmentation in hippocampus. Increased levels of inflammatory genes (i.g.) ccl2, ccr5, ifng, il13, il1a, tnfa coupled with decreased levels of bmp2 and il3 genes were found in both the noise exposure groups. Our findings revealed that moderate intensity noise exposure impaired early memory changes in expression of several gene families including genes associated with regulation of transcription, inflammatory response, and, response to oxidative stress.
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Affiliation(s)
- Manish Shukla
- Occupational Health Division, Defence Institute of Physiology & Allied Sciences (DIPAS), DRDO Lucknow Road, Timarpur, Delhi, India
| | - Kumar Vyonkesh Mani
- Occupational Health Division, Defence Institute of Physiology & Allied Sciences (DIPAS), DRDO Lucknow Road, Timarpur, Delhi, India
| | - Deepshikha
- Occupational Health Division, Defence Institute of Physiology & Allied Sciences (DIPAS), DRDO Lucknow Road, Timarpur, Delhi, India
| | - Sangeeta Shukla
- School of Studies in Zoology, Jiwaji University, Gwalior, M.P, India
| | - Neeru Kapoor
- Occupational Health Division, Defence Institute of Physiology & Allied Sciences (DIPAS), DRDO Lucknow Road, Timarpur, Delhi, India
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48
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Fernandez-Quezada D, García-Zamudio A, Ruvalcaba-Delgadillo Y, Luquín S, García-Estrada J, Jáuregui Huerta F. Male rats exhibit higher pro-BDNF, c-Fos and dendritic tree changes after chronic acoustic stress. Biosci Trends 2020; 13:546-555. [PMID: 31956226 DOI: 10.5582/bst.2019.01288] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Prolonged or intense exposure to environmental noise (EN) has been associated with a number of changes in auditory organs as well as other brain structures. Notably, males and females have shown different susceptibilities to acoustic damage as well as different responses to environmental stressors. Rodent models have evidence of sex-specific changes in brain structures involved in noise and sound processing. As a common effect, experimental models have demonstrated that dendrite arborizations reconfigure in response to aversive conditions in several brain regions. Here, we examined the effect of chronic noise on dendritic reorganization and c-Fos expression patterns of both sexes. During 21 days male and female rats were exposed to a rats' audiogram-fitted adaptation of a noisy environment. Golgi-Cox and c-Fos staining were performed at auditory cortices (AC) and hippocampal regions. Sholl analysis and c-Fos counts were conducted for evidence of intersex differences. In addition, pro-BDNF serum levels were also measured. We found different patterns of c-Fos expression in hippocampus and AC. While in AC expression levels showed rapid and intense increases starting at 2 h, hippocampal areas showed slower rises that reached the highest levels at 21 days. Sholl analysis also evidenced regional differences in response to noise. Dendritic trees were reduced after 21 days in hippocampus but not in AC. Meanwhile, pro-BDNF levels augmented after EN exposure. In all analyzed variables, exposed males were the most affected. These findings suggest that noise may exert differential effects on male and female brains and that males could be more vulnerable to the chronic effects of noise.
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Affiliation(s)
- David Fernandez-Quezada
- Department of Neurosciences, Health Sciences University Centre, Guadalajara, Jalisco, Mexico
| | | | | | - Sonia Luquín
- Department of Neurosciences, Health Sciences University Centre, Guadalajara, Jalisco, Mexico
| | - Joaquín García-Estrada
- Department of Neurosciences, Health Sciences University Centre, Guadalajara, Jalisco, Mexico
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49
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Daiber A, Kröller-Schön S, Oelze M, Hahad O, Li H, Schulz R, Steven S, Münzel T. Oxidative stress and inflammation contribute to traffic noise-induced vascular and cerebral dysfunction via uncoupling of nitric oxide synthases. Redox Biol 2020; 34:101506. [PMID: 32371009 PMCID: PMC7327966 DOI: 10.1016/j.redox.2020.101506] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 03/02/2020] [Accepted: 03/10/2020] [Indexed: 02/06/2023] Open
Abstract
Environmental pollution and non-chemical stressors such as mental stress or traffic noise exposure are increasingly accepted as health risk factors with substantial contribution to chronic noncommunicable diseases (e.g. cardiovascular, metabolic and mental). Whereas the mechanisms of air pollution-mediated adverse health effects are well characterized, the mechanisms of traffic noise exposure are not completely understood, despite convincing clinical and epidemiological evidence for a significant contribution of environmental noise to overall mortality and disability. The initial mechanism of noise-induced cardiovascular, metabolic and mental disease is well defined by the „noise reaction model“ and consists of neuronal activation involving the hypothalamic-pituitary-adrenal (HPA) axis as well as the sympathetic nervous system, followed by a classical stress response via cortisol and catecholamines. Stress pathways are initiated by noise-induced annoyance and sleep deprivation/fragmentation. This review highlights the down-stream pathophysiology of noise-induced mental stress, which is based on an induction of inflammation and oxidative stress. We highlight the sources of reactive oxygen species (ROS) involved and the known targets for noise-induced oxidative damage. Part of the review emphasizes noise-triggered uncoupling/dysregulation of endothelial and neuronal nitric oxide synthase (eNOS and nNOS) and its central role for vascular dysfunction. Exposure to (traffic) noise causes non-auditory (indirect) cardiovascular and cerebral health harms via neuronal activation. Noise activates the HPA axis and sympathetic nervous system increasing levels of stress hormones, vasoconstrictors and ROS. Noise induces inflammation and stimulates several ROS sources leading to cerebral and cardiovascular oxidative damage. Noise leads to eNOS and nNOS uncoupling contributing to cardiometabolic disease and cognitive impairment.
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Affiliation(s)
- Andreas Daiber
- Center for Cardiology, Molecular Cardiology, University Medical Center, Mainz, Germany; Partner Site Rhine-Main, German Center for Cardiovascular Research (DZHK), Langenbeckstr. 1, 55131, Mainz, Germany.
| | - Swenja Kröller-Schön
- Center for Cardiology, Molecular Cardiology, University Medical Center, Mainz, Germany
| | - Matthias Oelze
- Center for Cardiology, Molecular Cardiology, University Medical Center, Mainz, Germany
| | - Omar Hahad
- Center for Cardiology, Molecular Cardiology, University Medical Center, Mainz, Germany; Partner Site Rhine-Main, German Center for Cardiovascular Research (DZHK), Langenbeckstr. 1, 55131, Mainz, Germany
| | - Huige Li
- Department of Pharmacology, University Medical Center, Mainz, Germany
| | - Rainer Schulz
- Institute of Physiology, Justus-Liebig University, Giessen, Germany
| | - Sebastian Steven
- Center for Cardiology, Molecular Cardiology, University Medical Center, Mainz, Germany
| | - Thomas Münzel
- Center for Cardiology, Molecular Cardiology, University Medical Center, Mainz, Germany; Partner Site Rhine-Main, German Center for Cardiovascular Research (DZHK), Langenbeckstr. 1, 55131, Mainz, Germany.
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50
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Steven S, Frenis K, Kalinovic S, Kvandova M, Oelze M, Helmstädter J, Hahad O, Filippou K, Kus K, Trevisan C, Schlüter KD, Boengler K, Chlopicki S, Frauenknecht K, Schulz R, Sorensen M, Daiber A, Kröller-Schön S, Münzel T. Exacerbation of adverse cardiovascular effects of aircraft noise in an animal model of arterial hypertension. Redox Biol 2020; 34:101515. [PMID: 32345536 PMCID: PMC7327989 DOI: 10.1016/j.redox.2020.101515] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 03/18/2020] [Accepted: 03/19/2020] [Indexed: 02/06/2023] Open
Abstract
Arterial hypertension is the most important risk factor for the development of cardiovascular disease. Recently, aircraft noise has been shown to be associated with elevated blood pressure, endothelial dysfunction, and oxidative stress. Here, we investigated the potential exacerbated cardiovascular effects of aircraft noise in combination with experimental arterial hypertension. C57BL/6J mice were infused with 0.5 mg/kg/d of angiotensin II for 7 days, exposed to aircraft noise for 7 days at a maximum sound pressure level of 85 dB(A) and a mean sound pressure level of 72 dB(A), or subjected to both stressors. Noise and angiotensin II increased blood pressure, endothelial dysfunction, oxidative stress and inflammation in aortic, cardiac and/or cerebral tissues in single exposure models. In mice subjected to both stressors, most of these risk factors showed potentiated adverse changes. We also found that mice exposed to both noise and ATII had increased phagocytic NADPH oxidase (NOX-2)-mediated superoxide formation, immune cell infiltration (monocytes, neutrophils and T cells) in the aortic wall, astrocyte activation in the brain, enhanced cytokine signaling, and subsequent vascular and cerebral oxidative stress. Exaggerated renal stress response was also observed. In summary, our results show an enhanced adverse cardiovascular effect between environmental noise exposure and arterial hypertension, which is mainly triggered by vascular inflammation and oxidative stress. Mechanistically, noise potentiates neuroinflammation and cerebral oxidative stress, which may be a potential link between both risk factors. The results indicate that a combination of classical (arterial hypertension) and novel (noise exposure) risk factors may be deleterious for cardiovascular health. Noise exposure causes non-auditory cardiovascular/cerebral adverse health effects by oxidative stress and inflammation. Aircraft noise causes exacerbated adverse effects on blood pressure and endothelial dysfunction in hypertensive mice. Aircraft noise and hypertension potentiate inflammation, ROS formation and oxidative damage in the brain, vessels and heart. Aircraft noise and hypertension seem to have enhanced adverse effects on stress responses in different organs.
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Affiliation(s)
- Sebastian Steven
- Center for Cardiology, Cardiology I - Laboratory of Molecular Cardiology, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany; Center for Thrombosis and Hemostasis, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany
| | - Katie Frenis
- Center for Cardiology, Cardiology I - Laboratory of Molecular Cardiology, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany
| | - Sanela Kalinovic
- Center for Cardiology, Cardiology I - Laboratory of Molecular Cardiology, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany
| | - Miroslava Kvandova
- Center for Cardiology, Cardiology I - Laboratory of Molecular Cardiology, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany
| | - Matthias Oelze
- Center for Cardiology, Cardiology I - Laboratory of Molecular Cardiology, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany
| | - Johanna Helmstädter
- Center for Cardiology, Cardiology I - Laboratory of Molecular Cardiology, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany
| | - Omar Hahad
- Center for Cardiology, Cardiology I - Laboratory of Molecular Cardiology, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany; German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Mainz, Germany
| | - Konstantina Filippou
- Center for Cardiology, Cardiology I - Laboratory of Molecular Cardiology, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany
| | - Kamil Kus
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Krakow, Poland
| | - Chiara Trevisan
- Institute of Neuropathology, University Hospital, Zurich, Switzerland
| | | | - Kerstin Boengler
- Department of Physiology, Justus-Liebig University Gießen, Germany
| | - Stefan Chlopicki
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Krakow, Poland; Chair of Pharmacology, Jagiellonian University Medical College, Krakow, Poland
| | | | - Rainer Schulz
- Department of Physiology, Justus-Liebig University Gießen, Germany
| | - Mette Sorensen
- Danish Cancer Society, Copenhagen, Denmark; Department of Natural Science and Environment, Roskilde University, Roskilde, Denmark
| | - Andreas Daiber
- Center for Cardiology, Cardiology I - Laboratory of Molecular Cardiology, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany; German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Mainz, Germany.
| | - Swenja Kröller-Schön
- Center for Cardiology, Cardiology I - Laboratory of Molecular Cardiology, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany
| | - Thomas Münzel
- Center for Cardiology, Cardiology I - Laboratory of Molecular Cardiology, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany; German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Mainz, Germany.
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