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Annevelink CE, Westra J, Sala-Vila A, Harris WS, Tintle NL, Shearer GC. A Genome-Wide Interaction Study of Erythrocyte ω-3 Polyunsaturated Fatty Acid Species and Memory in the Framingham Heart Study Offspring Cohort. J Nutr 2024; 154:1640-1651. [PMID: 38141771 DOI: 10.1016/j.tjnut.2023.12.035] [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: 05/23/2023] [Revised: 12/14/2023] [Accepted: 12/19/2023] [Indexed: 12/25/2023] Open
Abstract
BACKGROUND Cognitive decline, and more specifically Alzheimer's disease, continues to increase in prevalence globally, with few, if any, adequate preventative approaches. Several tests of cognition are utilized in the diagnosis of cognitive decline that assess executive function, short- and long-term memory, cognitive flexibility, and speech and motor control. Recent studies have separately investigated the genetic component of both cognitive health, using these measures, and circulating fatty acids. OBJECTIVES We aimed to examine the potential moderating effect of main species of ω-3 polyunsaturated fatty acids (PUFAs) on an individual's genetically conferred risk of cognitive decline. METHODS The Offspring cohort from the Framingham Heart Study was cross-sectionally analyzed in this genome-wide interaction study (GWIS). Our sample included all individuals with red blood cell ω-3 PUFA, genetic, cognitive testing (via Trail Making Tests [TMTs]), and covariate data (N = 1620). We used linear mixed effects models to predict each of the 3 cognitive measures (TMT A, TMT B, and TMT D) by each ω-3 PUFA, single nucleotide polymorphism (SNP) (0, 1, or 2 minor alleles), ω-3 PUFA by SNP interaction term, and adjusting for sex, age, education, APOE ε4 genotype status, and kinship (relatedness). RESULTS Our analysis identified 31 unique SNPs from 24 genes reaching an exploratory significance threshold of 1×10-5. Fourteen of the 24 genes have been previously associated with the brain/cognition, and 5 genes have been previously associated with circulating lipids. Importantly, 8 of the genes we identified, DAB1, SORCS2, SERINC5, OSBPL3, CPA6, DLG2, MUC19, and RGMA, have been associated with both cognition and circulating lipids. We identified 22 unique SNPs for which individuals with the minor alleles benefit substantially from increased ω-3 fatty acid concentrations and 9 unique SNPs for which the common homozygote benefits. CONCLUSIONS In this GWIS of ω-3 PUFA species on cognitive outcomes, we identified 8 unique genes with plausible biology suggesting individuals with specific polymorphisms may have greater potential to benefit from increased ω-3 PUFA intake. Additional replication in prospective settings with more diverse samples is needed.
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Affiliation(s)
- Carmen E Annevelink
- Department of Nutritional Sciences, The Pennsylvania State University, University Park, PA, United States
| | - Jason Westra
- Fatty Acid Research Institute (FARI), Sioux Falls, SD, United States
| | - Aleix Sala-Vila
- Fatty Acid Research Institute (FARI), Sioux Falls, SD, United States; Cardiovascular Risk and Nutrition, Hospital del Mar Research Institute, Barcelona, Spain; Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
| | - William S Harris
- Fatty Acid Research Institute (FARI), Sioux Falls, SD, United States; Sanford School of Medicine, University of South Dakota, Sioux Falls, SD, United States
| | - Nathan L Tintle
- Fatty Acid Research Institute (FARI), Sioux Falls, SD, United States; Department of Population Health Nursing Science, College of Nursing, University of Illinois Chicago, Chicago, IL, United States
| | - Gregory C Shearer
- Department of Nutritional Sciences, The Pennsylvania State University, University Park, PA, United States.
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Amidfar M, Askari G, Kim YK. Association of metabolic dysfunction with cognitive decline and Alzheimer's disease: A review of metabolomic evidence. Prog Neuropsychopharmacol Biol Psychiatry 2024; 128:110848. [PMID: 37634657 DOI: 10.1016/j.pnpbp.2023.110848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Revised: 07/28/2023] [Accepted: 08/24/2023] [Indexed: 08/29/2023]
Abstract
The discovery of new biomarkers that can distinguish Alzheimer's disease (AD) from mild cognitive impairment (MCI) in the early stages will help to provide new diagnostic and therapeutic strategies and slow the transition from MCI to AD. Patients with AD may present with a concomitant metabolic disorder, such as diabetes, obesity, and dyslipidemia, as a risk factor for AD that may be involved in the onset of both AD pathology and cognitive impairment. Therefore, metabolite profiling, or metabolomics, can be very useful in diagnosing AD, developing new therapeutic targets, and evaluating both the course of treatment and the clinical course of the disease. In addition, studying the relationship between nutritional behavior and AD requires investigation of the role of conditions such as obesity, hypertension, dyslipidemia, and elevated glucose level. Based on this literature review, nutritional recommendations, including weight loss by reducing calorie and cholesterol intake and omega-3 fatty acid supplementation can prevent cognitive decline and dementia in the elderly. The underlying metabolic causes of the pathology and cognitive decline caused by AD and MCI are not well understood. In this review article, metabolomics biomarkers for diagnosis of AD and MCI and metabolic risk factors for cognitive decline in AD were evaluated.
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Affiliation(s)
- Meysam Amidfar
- Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Gholamreza Askari
- Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran; Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Yong-Ku Kim
- Department of Psychiatry, College of Medicine, Korea University, Seoul, South Korea.
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Zhang X, Yuan T, Chen X, Liu X, Hu J, Liu Z. Effects of DHA on cognitive dysfunction in aging and Alzheimer's disease: The mediating roles of ApoE. Prog Lipid Res 2024; 93:101256. [PMID: 37890592 DOI: 10.1016/j.plipres.2023.101256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 10/22/2023] [Accepted: 10/23/2023] [Indexed: 10/29/2023]
Abstract
The prevalence of Alzheimer's disease (AD) continues to rise due to the increasing aging population. Among the various genetic factors associated with AD, apolipoprotein E (ApoE), a lipid transporter, stands out as the primary genetic risk factor. Specifically, individuals carrying the ApoE4 allele exhibit a significantly higher risk. However, emerging research indicates that dietary factors play a prominent role in modifying the risk of AD. Docosahexaenoic acid (DHA), a prominent ω-3 fatty acid, has garnered considerable attention for its potential to ameliorate cognitive function. The intricate interplay between DHA and the ApoE genotype within the brain, which may influence DHA's utilization and functionality, warrants further investigation. This review meticulously examines experimental and clinical studies exploring the effects of DHA on cognitive decline. Special emphasis is placed on elucidating the role of ApoE gene polymorphism and the underlying mechanisms are discussed. These studies suggest that early DHA supplementation may confer benefits to cognitively normal older adults carrying the ApoE4 gene. However, once AD develops, ApoE4 non-carriers may experience greater benefits compared to ApoE4 carriers, although the overall effectiveness of DHA supplementation at this stage is limited. Potential mechanisms underlying these differential effects may include accelerated DHA catabolism in ApoE4 carriers, impaired transport across the blood-brain barrier (BBB), and compromised lipidation and circulatory function in ApoE4 carriers. Thus, the supplementation of DHA may represent a potential intervention strategy aimed at compensating for these deficiencies in ApoE4 carriers prior to the onset of AD.
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Affiliation(s)
- Xin Zhang
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Tian Yuan
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi 712100, China; Northwest A&F University Shenzhen Research Institute, Shenzhen, Guangdong 518000, China
| | - Xuhui Chen
- Department of Neurology, Peking University Shenzhen Hospital, Shenzhen, Guangdong 518036, China
| | - Xuebo Liu
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Jun Hu
- Department of Neurology, Peking University Shenzhen Hospital, Shenzhen, Guangdong 518036, China.
| | - Zhigang Liu
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China; Northwest A&F University Shenzhen Research Institute, Shenzhen, Guangdong 518000, China; Dongguan Chuangwei Precision Nutrition and Health Innovation Center, Dongguan, Guangdong 523170, China; Shaanxi Precision Nutrition and Health Research Institute, Xi'an, Shaanxi 710300, China.
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Khan I, Hussain M, Jiang B, Zheng L, Pan Y, Hu J, Khan A, Ashraf A, Zou X. Omega-3 long-chain polyunsaturated fatty acids: Metabolism and health implications. Prog Lipid Res 2023; 92:101255. [PMID: 37838255 DOI: 10.1016/j.plipres.2023.101255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 10/04/2023] [Accepted: 10/09/2023] [Indexed: 10/16/2023]
Abstract
Recently, omega-3 long-chain polyunsaturated fatty acids (n-3 LC-PUFAs) have gained substantial interest due to their specific structure and biological functions. Humans cannot naturally produce these fatty acids (FAs), making it crucial to obtain them from our diet. This comprehensive review details n-3 LC-PUFAs and their role in promoting and maintaining optimal health. The article thoroughly analyses several sources of n-3 LC-PUFAs and their respective bioavailability, covering marine, microbial and plant-based sources. Furthermore, we provide an in-depth analysis of the biological impacts of n-3 LC-PUFAs on health conditions, with particular emphasis on cardiovascular disease (CVD), gastrointestinal (GI) cancer, diabetes, depression, arthritis, and cognition. In addition, we highlight the significance of fortification and supplementation of n-3 LC-PUFAs in both functional foods and dietary supplements. Additionally, we conducted a detailed analysis of the several kinds of n-3 LC-PUFAs supplements currently available in the market, including an assessment of their recommended intake, safety, and effectiveness. The dietary guidelines associated with n-3 LC-PUFAs are also highlighted, focusing on the significance of maintaining a well-balanced intake of n-3 PUFAs to enhance health benefits. Lastly, we highlight future directions for further research in this area and their potential implications for public health.
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Affiliation(s)
- Imad Khan
- State Key Laboratory of Food Science and Resources, National Engineering Research Center for Functional Food, National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, Jiangsu, China
| | - Mudassar Hussain
- State Key Laboratory of Food Science and Resources, National Engineering Research Center for Functional Food, National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, Jiangsu, China
| | - Bangzhi Jiang
- State Key Laboratory of Food Science and Resources, National Engineering Research Center for Functional Food, National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, Jiangsu, China
| | - Lei Zheng
- State Key Laboratory of Food Science and Resources, National Engineering Research Center for Functional Food, National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, Jiangsu, China
| | - Yuechao Pan
- State Key Laboratory of Food Science and Resources, National Engineering Research Center for Functional Food, National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, Jiangsu, China
| | - Jijie Hu
- State Key Laboratory of Food Science and Resources, National Engineering Research Center for Functional Food, National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, Jiangsu, China
| | - Adil Khan
- Key Laboratory of Industrial Biotechnology, Ministry of Education, Jiangnan University, Wuxi 214122, China
| | - Azqa Ashraf
- School of Food Science and Engineering, Ocean University of China, Qingdao 2666100, China
| | - Xiaoqiang Zou
- State Key Laboratory of Food Science and Resources, National Engineering Research Center for Functional Food, National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, Jiangsu, China.
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Haake J, Meyerhoff N, Meller S, Twele F, Charalambous M, Wilke V, Volk H. Investigating Owner Use of Dietary Supplements in Dogs with Canine Cognitive Dysfunction. Animals (Basel) 2023; 13:3056. [PMID: 37835662 PMCID: PMC10571926 DOI: 10.3390/ani13193056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 09/10/2023] [Accepted: 09/28/2023] [Indexed: 10/15/2023] Open
Abstract
Canine cognitive dysfunction (CCD) is becoming increasingly recognized in veterinary medicine, as dogs live longer and with CCD being highly prevalent among the elderly dog population. Various studies have shown that diet and dietary supplementation can positively influence the clinical signs of CCD, especially if given at an early stage. The aim of this study was to investigate owner use of dietary supplements (DSs) in dogs with age-related behavioral changes. An observational study based on an online questionnaire for owners of dogs with age-related behavioral changes was performed. Out of a total of 394 owners who completed the survey, after noticing age-related behavioral changes, over half of the dogs received DSs (54%), whereas only 8% reported changing their dog's base diet. The most used DS was fish oil (48%). The use of DSs should be discussed with and monitored by veterinary surgeons since many geriatric patients have multi-morbidities, may have specific nutritional requirements and receive multi-faceted medications.
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Affiliation(s)
- Julia Haake
- Department of Small Animal Medicine and Surgery, University of Veterinary Medicine Hannover, 30559 Hannover, Germany; (J.H.); (N.M.); (S.M.); (F.T.); (M.C.)
| | - Nina Meyerhoff
- Department of Small Animal Medicine and Surgery, University of Veterinary Medicine Hannover, 30559 Hannover, Germany; (J.H.); (N.M.); (S.M.); (F.T.); (M.C.)
| | - Sebastian Meller
- Department of Small Animal Medicine and Surgery, University of Veterinary Medicine Hannover, 30559 Hannover, Germany; (J.H.); (N.M.); (S.M.); (F.T.); (M.C.)
| | - Friederike Twele
- Department of Small Animal Medicine and Surgery, University of Veterinary Medicine Hannover, 30559 Hannover, Germany; (J.H.); (N.M.); (S.M.); (F.T.); (M.C.)
| | - Marios Charalambous
- Department of Small Animal Medicine and Surgery, University of Veterinary Medicine Hannover, 30559 Hannover, Germany; (J.H.); (N.M.); (S.M.); (F.T.); (M.C.)
| | - Volker Wilke
- Institute for Animal Nutrition, University of Veterinary Medicine, Foundation, 30173 Hannover, Germany;
| | - Holger Volk
- Department of Small Animal Medicine and Surgery, University of Veterinary Medicine Hannover, 30559 Hannover, Germany; (J.H.); (N.M.); (S.M.); (F.T.); (M.C.)
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Khandelwal M, Krishna G, Ying Z, Gomez-Pinilla F. Liver acts as a metabolic gate for the traumatic brain injury pathology: Protective action of thyroid hormone. Biochim Biophys Acta Mol Basis Dis 2023; 1869:166728. [PMID: 37137432 PMCID: PMC10601893 DOI: 10.1016/j.bbadis.2023.166728] [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: 01/23/2023] [Revised: 04/16/2023] [Accepted: 04/25/2023] [Indexed: 05/05/2023]
Abstract
Clinical evidence indicates that injury to the brain elicits systemic metabolic disturbances that contributes to the brain pathology. Since dietary fructose is metabolized in the liver, we explored mechanisms by which traumatic brain injury (TBI) and dietary fructose influence liver function and their possible repercussions to brain. Consumption of fructose contributed to the detrimental effects of TBI on liver operation, in terms of glucose and lipid metabolism, de novo lipogenesis, lipid peroxidation. Thyroid hormone (T4) is metabolized in the liver and found that T4 supply improved lipid metabolism by reducing de novo lipogenesis, lipid accumulation, lipogenic enzymes (ACC, AceCS1, FAS), lipid peroxidation in liver in response to fructose and fructose-TBI. T4 supply also helped to normalize glucose metabolism and improve insulin sensitivity. Furthermore, T4 counteracted elevations of the pro-inflammatory cytokines, Tnfα and Mcp-1 after TBI and/or fructose intake in liver and circulation. T4 also exerted an effect on isolated primary hepatocytes by potentiating phosphorylation of AMPKα and AKT substrate, AS160, leading to increased glucose uptake. In addition, T4 restored the metabolism of DHA in the liver disrupted by TBI and fructose, adding important information to optimize the action of DHA in therapeutics. The overall evidence seems to indicate that the liver works as a gate for the regulation of the effects of brain injury and foods on brain pathologies.
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Affiliation(s)
- Mayuri Khandelwal
- Department of Integrative Biology and Physiology, University of California, Los Angeles, CA, USA
| | - Gokul Krishna
- Department of Integrative Biology and Physiology, University of California, Los Angeles, CA, USA
| | - Zhe Ying
- Department of Integrative Biology and Physiology, University of California, Los Angeles, CA, USA
| | - Fernando Gomez-Pinilla
- Department of Integrative Biology and Physiology, University of California, Los Angeles, CA, USA; Department of Neurosurgery, UCLA Brain Injury Research Center, Los Angeles, CA, USA.
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Yamagata K. Docosahexaenoic acid inhibits ischemic stroke to reduce vascular dementia and Alzheimer’s disease. Prostaglandins Other Lipid Mediat 2023; 167:106733. [PMID: 37028469 DOI: 10.1016/j.prostaglandins.2023.106733] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 02/17/2023] [Accepted: 04/04/2023] [Indexed: 04/08/2023]
Abstract
Stroke and dementia are global leading causes of neurological disability and death. The pathology of these diseases is interrelated and they share common, modifiable risk factors. It is suggested that docosahexaenoic acid (DHA) prevents neurological and vascular disorders induced by ischemic stroke and also prevent dementia. The purpose of this study was to review the potential preventative role of DHA against ischemic stroke-induced vascular dementia and Alzheimer's disease. In this review, I analyzed studies on stroke-induced dementia from the PubMed, ScienceDirect, and Web of Science databases as well as studies on the effects of DHA on stroke-induced dementia. As per the results of interventional studies, DHA intake can potentially ameliorate dementia and cognitive function. In particular, DHA derived from foods such as fish oil enters the blood and then migrates to the brain by binding to fatty acid binding protein 5 that is present in cerebral vascular endothelial cells. At this point, the esterified form of DHA produced by lysophosphatidylcholine is preferentially absorbed into the brain instead of free DHA. DHA accumulates in nerve cell membrane and is involved in the prevention of dementia. The antioxidative and anti-inflammatory properties of DHA and DHA metabolites as well as their ability to decrease amyloid beta (Aβ) 42 production were implicated in the improvement of cognitive function. The antioxidant effect of DHA, the inhibition of neuronal cell death by Aβ peptide, improvement in learning ability, and enhancement of synaptic plasticity may contribute to the prevention of dementia induced by ischemic stroke.
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Khan SS, Khatik GL, Datusalia AK. Strategies for Treatment of Disease-Associated Dementia Beyond Alzheimer's Disease: An Update. Curr Neuropharmacol 2023; 21:309-339. [PMID: 35410602 PMCID: PMC10190146 DOI: 10.2174/1570159x20666220411083922] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 02/27/2022] [Accepted: 04/03/2022] [Indexed: 11/22/2022] Open
Abstract
Memory, cognition, dementia, and neurodegeneration are complexly interlinked processes with various mechanistic pathways, leading to a range of clinical outcomes. They are strongly associated with pathological conditions like Alzheimer's disease, Parkinson's disease, schizophrenia, and stroke and are a growing concern for their timely diagnosis and management. Several cognitionenhancing interventions for management include non-pharmacological interventions like diet, exercise, and physical activity, while pharmacological interventions include medicinal agents, herbal agents, and nutritional supplements. This review critically analyzed and discussed the currently available agents under different drug development phases designed to target the molecular targets, including cholinergic receptor, glutamatergic system, GABAergic targets, glycine site, serotonergic targets, histamine receptors, etc. Understanding memory formation and pathways involved therein aids in opening the new gateways to treating cognitive disorders. However, clinical studies suggest that there is still a dearth of knowledge about the pathological mechanism involved in neurological conditions, making the dropouts of agents from the initial phases of the clinical trial. Hence, a better understanding of the disease biology, mode of drug action, and interlinked mechanistic pathways at a molecular level is required.
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Affiliation(s)
- Sabiya Samim Khan
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER) Raebareli, Lucknow (UP) India
| | - Gopal L. Khatik
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER) Raebareli, Lucknow (UP) India
| | - Ashok K. Datusalia
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER) Raebareli, Lucknow (UP) India
- Department of Regulatory Toxicology, National Institute of Pharmaceutical Education and Research (NIPER) Raebareli, Lucknow (UP) India
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Khotimchenko YS, Silachev DN, Katanaev VL. Marine Natural Products from the Russian Pacific as Sources of Drugs for Neurodegenerative Diseases. Mar Drugs 2022; 20:708. [PMID: 36421986 PMCID: PMC9697637 DOI: 10.3390/md20110708] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 11/07/2022] [Accepted: 11/09/2022] [Indexed: 09/05/2023] Open
Abstract
Neurodegenerative diseases are growing to become one of humanity's biggest health problems, given the number of individuals affected by them. They cause enough mortalities and severe economic impact to rival cancers and infections. With the current diversity of pathophysiological mechanisms involved in neurodegenerative diseases, on the one hand, and scarcity of efficient prevention and treatment strategies, on the other, all possible sources for novel drug discovery must be employed. Marine pharmacology represents a relatively uncharted territory to seek promising compounds, despite the enormous chemodiversity it offers. The current work discusses one vast marine region-the Northwestern or Russian Pacific-as the treasure chest for marine-based drug discovery targeting neurodegenerative diseases. We overview the natural products of neurological properties already discovered from its waters and survey the existing molecular and cellular targets for pharmacological modulation of the disease. We further provide a general assessment of the drug discovery potential of the Russian Pacific in case of its systematic development to tackle neurodegenerative diseases.
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Affiliation(s)
- Yuri S. Khotimchenko
- Institute of Life Sciences and Biomedicine, Far Eastern Federal University, 8 ul. Sukhanova, 690950 Vladivostok, Russia
- A.V. Zhirmunsky National Center of Marine Biology, Far Eastern Branch, Russian Academy of Sciences, 690950 Vladivostok, Russia
| | - Denis N. Silachev
- Department of Functional Biochemistry of Biopolymers, A.N. Belozersky Research Institute of Physico-Chemical Biology, Moscow State University, 119992 Moscow, Russia
| | - Vladimir L. Katanaev
- Institute of Life Sciences and Biomedicine, Far Eastern Federal University, 8 ul. Sukhanova, 690950 Vladivostok, Russia
- Department of Cell Physiology and Metabolism, Translational Research Centre in Oncohaematology, Faculty of Medicine, University of Geneva, Rue Michel-Servet 1, 1211 Geneva, Switzerland
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Vallés AS, Barrantes FJ. The synaptic lipidome in health and disease. BIOCHIMICA ET BIOPHYSICA ACTA. BIOMEMBRANES 2022; 1864:184033. [PMID: 35964712 DOI: 10.1016/j.bbamem.2022.184033] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 08/02/2022] [Accepted: 08/08/2022] [Indexed: 06/15/2023]
Abstract
Adequate homeostasis of lipid, protein and carbohydrate metabolism is essential for cells to perform highly specific tasks in our organism, and the brain, with its uniquely high energetic requirements, posesses singular characteristics. Some of these are related to its extraordinary dotation of synapses, the specialized subcelluar structures where signal transmission between neurons occurs in the central nervous system. The post-synaptic compartment of excitatory synapses, the dendritic spine, harbors key molecules involved in neurotransmission tightly packed within a minute volume of a few femtoliters. The spine is further compartmentalized into nanodomains that facilitate the execution of temporo-spatially separate functions in the synapse. Lipids play important roles in this structural and functional compartmentalization and in mechanisms that impact on synaptic transmission. This review analyzes the structural and dynamic processes involving lipids at the synapse, highlighting the importance of their homeostatic balance for the physiology of this complex and highly specialized structure, and underscoring the pathologies associated with disbalances of lipid metabolism, particularly in the perinatal and late adulthood periods of life. Although small variations of the lipid profile in the brain take place throughout the adult lifespan, the pathophysiological consequences are clinically manifested mostly during late adulthood. Disturbances in lipid homeostasis in the perinatal period leads to alterations during nervous system development, while in late adulthood they favor the occurrence of neurodegenerative diseases.
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Affiliation(s)
- Ana Sofia Vallés
- Instituto de Investigaciones Bioquímicas de Bahía Blanca (UNS-CONICET), 8000 Bahía Blanca, Argentina.
| | - Francisco J Barrantes
- Laboratory of Molecular Neurobiology, Institute of Biomedical Research (BIOMED), UCA-CONICET, Av. Alicia Moreau de Justo 1600, Buenos Aires C1107AAZ, Argentina.
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Xiao M, Xiang W, Chen Y, Peng N, Du X, Lu S, Zuo Y, Li B, Hu Y, Li X. DHA Ameliorates Cognitive Ability, Reduces Amyloid Deposition, and Nerve Fiber Production in Alzheimer’s Disease. Front Nutr 2022; 9:852433. [PMID: 35782939 PMCID: PMC9240638 DOI: 10.3389/fnut.2022.852433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 05/30/2022] [Indexed: 11/13/2022] Open
Abstract
BackgroundThe etiology of Alzheimer’s disease (AD) is very complex. Docosahexaenoic acid (DHA) is important in cognitive ability and nervous system development. A limited number of studies have evaluated the efficacy of DHA in the treatment of AD.IntroductionWe detected neurofibrillary tangles (NFT) in the hippocampus and cortex of transgenic mice brain through silver glycine staining. We determined the activity of neurons by staining Nissl bodies, used liquid NMR to detect metabolites in the brain, and functional magnetic resonance imaging results to observe the connection signal value between brain regions.Materials and MethodsWe fed 3-month-old APP/PS1 double transgenic mice with DHA mixed feeds for 4 months to assess the effects of DHA on cognitive ability in AD mice through the Morris water maze and open field tests. To evaluate its effects with AD pathology, continuous feeding was done until the mice reached 9 months of age.ResultsCompared to AD mice, escape latency significantly decreased on the fifth day while swimming speed, target quadrant stay time, and the crossing number of platforms increased by varying degrees after DHA treatment. Brain tissue section staining revealed that DHA significantly reduced Aβ and nerve fibers in the brain of AD mice.ConclusionDHA significantly reduced the deposition of Aβ in the brain and inhibited the production of nerve fibers, thereby increasing cognitive abilities in AD mice. In addition, DHA suppressed blood lipid levels, and restored uric acid and urea levels, implying that DHA is a potential therapeutic option for early AD.
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Affiliation(s)
- Min Xiao
- College of Life Science and Technology, Huazhong Agricultural University, Wuhan, China
- CABIO Biotech (Wuhan) Co., Ltd., Wuhan, China
| | - Wei Xiang
- CABIO Biotech (Wuhan) Co., Ltd., Wuhan, China
| | - Yashu Chen
- Key Laboratory of Oil Crop Biology and Genetic Breeding, Oil Crops Research Institute, Ministry of Agriculture, Chinese Academy of Agricultural Sciences, Wuhan, China
| | - Nan Peng
- College of Life Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Xiubo Du
- Shenzhen Key Laboratory of Microbial Genetic Engineering, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, China
| | - Shuhuan Lu
- CABIO Biotech (Wuhan) Co., Ltd., Wuhan, China
| | - Yao Zuo
- CABIO Biotech (Wuhan) Co., Ltd., Wuhan, China
| | - Boling Li
- CABIO Biotech (Wuhan) Co., Ltd., Wuhan, China
| | - Yonggang Hu
- College of Life Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Xiangyu Li
- CABIO Biotech (Wuhan) Co., Ltd., Wuhan, China
- *Correspondence: Xiangyu Li,
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12
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Pontifex MG, Martinsen A, Saleh RNM, Harden G, Fox C, Muller M, Vauzour D, Minihane AM. DHA-Enriched Fish Oil Ameliorates Deficits in Cognition Associated with Menopause and the APOE4 Genotype in Rodents. Nutrients 2022; 14:nu14091698. [PMID: 35565665 PMCID: PMC9103304 DOI: 10.3390/nu14091698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 04/07/2022] [Accepted: 04/17/2022] [Indexed: 11/16/2022] Open
Abstract
Female APOE4 carriers have a greater predisposition to developing Alzheimer’s disease (AD) compared to their male counterparts, which may partly be attributed to menopause. We previously reported that a combination of menopause and APOE4 led to an exacerbation of cognitive and neurological deficits, which were associated with reduced brain DHA and DHA:AA ratio. Here, we explored whether DHA-enriched fish oil (FO) supplementation mitigated the detrimental impact of these risk factors. Whilst DHA-enriched fish oil improved recognition memory (NOR) in APOE4 VCD (4-vinylcyclohexene diepoxide)-treated mice (p < 0.05), no change in spatial working memory (Y-maze) was observed. FO supplementation increased brain DHA and nervonic acid and the DHA:AA ratio. The response of key bioenergetic and blood−brain barrier related genes and proteins provided mechanistic insights into these behavioural findings, with increased BDNF protein concentration as well as mitigation of aberrant Erβ, Cldn1 and Glut-5 expression in APOE4 mice receiving fish oil supplementation (p < 0.05). In conclusion, supplementation with a physiologically relevant dose of DHA-enriched fish oil appears to offer protection against the detrimental effects of menopause, particularly in “at-risk” APOE4 female carriers.
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Affiliation(s)
- Matthew G. Pontifex
- Norwich Medical School, University of East Anglia, Norwich NR4 7TJ, UK; (A.M.); (R.N.M.S.); (G.H.); (C.F.); (M.M.); (D.V.); (A.-M.M.)
- Correspondence:
| | - Anneloes Martinsen
- Norwich Medical School, University of East Anglia, Norwich NR4 7TJ, UK; (A.M.); (R.N.M.S.); (G.H.); (C.F.); (M.M.); (D.V.); (A.-M.M.)
| | - Rasha N. M. Saleh
- Norwich Medical School, University of East Anglia, Norwich NR4 7TJ, UK; (A.M.); (R.N.M.S.); (G.H.); (C.F.); (M.M.); (D.V.); (A.-M.M.)
- Clinical Pathology Department, Faculty of Medicine, Alexandria University, Alexandria 21526, Egypt
| | - Glenn Harden
- Norwich Medical School, University of East Anglia, Norwich NR4 7TJ, UK; (A.M.); (R.N.M.S.); (G.H.); (C.F.); (M.M.); (D.V.); (A.-M.M.)
| | - Chris Fox
- Norwich Medical School, University of East Anglia, Norwich NR4 7TJ, UK; (A.M.); (R.N.M.S.); (G.H.); (C.F.); (M.M.); (D.V.); (A.-M.M.)
- Exeter Medical School, University of Exeter, Exeter EX4 4PY, UK
| | - Michael Muller
- Norwich Medical School, University of East Anglia, Norwich NR4 7TJ, UK; (A.M.); (R.N.M.S.); (G.H.); (C.F.); (M.M.); (D.V.); (A.-M.M.)
| | - David Vauzour
- Norwich Medical School, University of East Anglia, Norwich NR4 7TJ, UK; (A.M.); (R.N.M.S.); (G.H.); (C.F.); (M.M.); (D.V.); (A.-M.M.)
| | - Anne-Marie Minihane
- Norwich Medical School, University of East Anglia, Norwich NR4 7TJ, UK; (A.M.); (R.N.M.S.); (G.H.); (C.F.); (M.M.); (D.V.); (A.-M.M.)
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13
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The effect of omega-3 fatty acid supplementation on weight loss and cognitive function in overweight or obese individuals on weight-loss diet. NUTR HOSP 2022; 39:803-813. [DOI: 10.20960/nh.03992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
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14
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Hashimoto M, Matsuzaki K, Maruyama K, Hossain S, Sumiyoshi E, Wakatsuki H, Kato S, Ohno M, Tanabe Y, Kuroda Y, Yamaguchi S, Kajima K, Ohizumi Y, Shido O. Perilla seed oil in combination with the nobiletin-rich ponkan powder enhances cognitive function in healthy elderly Japanese individuals: Possible supplement for brain health in the elderly. Food Funct 2022; 13:2768-2781. [DOI: 10.1039/d1fo03508h] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Perilla (Perilla frutescens) seed oil (PO), rich in α-linolenic acid (ALA), can improve cognitive function in healthy elderly Japanese people. Here, supplements containing either PO alone or PO with nobiletin-rich...
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15
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16
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Azad AK, Sheikh AM, Haque MA, Osago H, Sakai H, Shibly AZ, Yano S, Michikawa M, Hossain S, Tabassum S, A. G, Zhou X, Zhang Y, Nagai A. Time-Dependent Analysis of Plasmalogens in the Hippocampus of an Alzheimer's Disease Mouse Model: A Role of Ethanolamine Plasmalogen. Brain Sci 2021; 11:1603. [PMID: 34942905 PMCID: PMC8699479 DOI: 10.3390/brainsci11121603] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 11/23/2021] [Accepted: 11/29/2021] [Indexed: 12/26/2022] Open
Abstract
Plasmalogens are alkenyl-acyl glycerophospholipids and decreased in post-mortem Alzheimer's disease (AD) brains. The aim of this study is to investigate the time-dependent changes of plasmalogens in the hippocampus of an AD model mouse (J20). Plasmalogen levels at 3, 6, 9, 12 and 15 months were analyzed by liquid-chromatography-targeted-multiplexed-selected-reaction-monitoring-tandem-mass-spectrometry (LC-SRM/MS). Reactive oxygen species (ROS) levels were evaluated using dichlorofluorescein diacetate (DCF-DA). Plasmalogen synthesizing enzyme glycerone-phosphate O-acyltransferase (GNPAT) and late endosome marker Rab7 levels were quantified by Western blotting. GNPAT localization, changes of neuronal and glial cell numbers were evaluated by immunostaining. Compared to wild-type mice (WT), total plasmalogen-ethanolamine, but not plasmalogen-choline levels, were increased at 9 months and subsequently decreased at 15 months in J20 mice. A principal component analysis of plasmalogen-ethanolamine species could separate WT and J20 mice both at 9 and 15 months. Both GNPAT and Rab7 protein were increased in J20 mice at 9 months, whereas GNPAT was decreased at 15 months. ROS levels were increased in J20 mice except for 9 months. Our results suggest that increased plasmalogen-ethanolamine could counteract ROS levels and contribute to the phagocytosis process in J20 mice at 9 months. Such results might indicate a transient protective response of plasmalogen-ethanolamine in AD conditions.
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Affiliation(s)
- Abul Kalam Azad
- Department of Neurology, Faculty of Medicine, Shimane University, Izumo 693-8501, Japan; (A.K.A.); (A.Z.S.); (G.A.); (X.Z.); (Y.Z.)
- Department of Microbiology, Jagannath University, Dhaka 1100, Bangladesh
| | - Abdullah Md. Sheikh
- Department of Laboratory Medicine, Faculty of Medicine, Shimane University, Izumo 693-8501, Japan; (A.M.S.); (M.A.H.); (S.Y.); (S.T.)
| | - Md. Ahsanul Haque
- Department of Laboratory Medicine, Faculty of Medicine, Shimane University, Izumo 693-8501, Japan; (A.M.S.); (M.A.H.); (S.Y.); (S.T.)
- Department of Pharmacy, University of Asia Pacific, Dhaka 1205, Bangladesh
| | - Harumi Osago
- Department of Biochemistry, Faculty of Medicine, Shimane University, Izumo 693-8501, Japan;
| | - Hiromichi Sakai
- Department of Biosignaling and Radioisotope Experiment, Faculty of Medicine, Shimane University, Izumo 693-8501, Japan;
| | - Abu Zaffar Shibly
- Department of Neurology, Faculty of Medicine, Shimane University, Izumo 693-8501, Japan; (A.K.A.); (A.Z.S.); (G.A.); (X.Z.); (Y.Z.)
- Department of Biotechnology and Genetic Engineering, Mawlana Bhashani Science and Technology University, Tangail 1902, Bangladesh
| | - Shozo Yano
- Department of Laboratory Medicine, Faculty of Medicine, Shimane University, Izumo 693-8501, Japan; (A.M.S.); (M.A.H.); (S.Y.); (S.T.)
| | - Makoto Michikawa
- Department of Biochemistry, Graduate School of Medical Sciences, Nagoya City University, Nagoya 467-8601, Japan;
| | - Shahdat Hossain
- Department of Biochemistry and Molecular Biology, Jahangirnagar University, Dhaka 1342, Bangladesh;
| | - Shatera Tabassum
- Department of Laboratory Medicine, Faculty of Medicine, Shimane University, Izumo 693-8501, Japan; (A.M.S.); (M.A.H.); (S.Y.); (S.T.)
| | - Garu A.
- Department of Neurology, Faculty of Medicine, Shimane University, Izumo 693-8501, Japan; (A.K.A.); (A.Z.S.); (G.A.); (X.Z.); (Y.Z.)
| | - Xiaojing Zhou
- Department of Neurology, Faculty of Medicine, Shimane University, Izumo 693-8501, Japan; (A.K.A.); (A.Z.S.); (G.A.); (X.Z.); (Y.Z.)
| | - Yuchi Zhang
- Department of Neurology, Faculty of Medicine, Shimane University, Izumo 693-8501, Japan; (A.K.A.); (A.Z.S.); (G.A.); (X.Z.); (Y.Z.)
| | - Atsushi Nagai
- Department of Neurology, Faculty of Medicine, Shimane University, Izumo 693-8501, Japan; (A.K.A.); (A.Z.S.); (G.A.); (X.Z.); (Y.Z.)
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17
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Al Mamun A, Matsuzaki K, Islam R, Hossain S, Hossain ME, Katakura M, Arai H, Shido O, Hashimoto M. Chronic Administration of Thymoquinone Enhances Adult Hippocampal Neurogenesis and Improves Memory in Rats Via Regulating the BDNF Signaling Pathway. Neurochem Res 2021; 47:933-951. [PMID: 34855048 DOI: 10.1007/s11064-021-03495-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 11/01/2021] [Accepted: 11/22/2021] [Indexed: 02/01/2023]
Abstract
Thymoquinone is a pharmacologically active component of Nigella sativa Linn. seeds. Despite the diverse neuropharmacological attributes of TQ, limited reports related to adult neurogenesis and memory research are available. In this study, we investigated the effects of TQ on the proliferation and neural differentiation of cultured neural stem/progenitor cells (NSCs/NPCs). We also investigated the effect of TQ chronic administration on neurogenesis and memory in adult rats. Under proliferation conditions, TQ (0.05-0.3 μM) significantly increased NSCs/NPCs viability, neurosphere diameter, and cell count. TQ treatment under differentiation conditions increased the proportion of cells positive for Tuj1 (a neuronal marker). Furthermore, chronic oral administration of TQ (25 mg/kg/day for 12 weeks) to adult rats increased the number of bromodeoxyuridine (BrdU)-immunopositive cells double-stained with a mature neuronal marker, neuronal nuclei (NeuN), and a proliferation marker, doublecortin (Dcx), in the dentate gyrus of the hippocampus. TQ-administered rats showed a profound beneficial effect on avoidance-related learning ability, associated with an increase in the hippocampal mRNA and protein levels of brain-derived neurotrophic factor (BDNF), as measured by both real-time PCR and ELISA. Western blot analysis revealed that TQ stimulates the phosphorylation of cAMP-response element-binding protein (CREB), the upstream signaling molecule in the BDNF pathway. Furthermore, chronic administration of TQ decreased lipid peroxide and reactive oxygen species levels in the hippocampus. Taken together, our results suggest that TQ plays a role in memory improvement in adult rats and that the CREB/BDNF signaling pathways are involved in mediating the actions of TQ in hippocampal neurogenesis.
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Affiliation(s)
- Abdullah Al Mamun
- Department of Environmental Physiology, Faculty of Medicine, Shimane University, Enya-cho, Izumo, Japan.,Department of Neurology, The University of Texas Health Science Center at Houston McGovern Medical School, Houston, TX, 77030, USA
| | - Kentaro Matsuzaki
- Department of Environmental Physiology, Faculty of Medicine, Shimane University, Enya-cho, Izumo, Japan
| | - Rafiad Islam
- Department of Environmental Physiology, Faculty of Medicine, Shimane University, Enya-cho, Izumo, Japan.,Department of Psychiatry, Yale University School of Medicine, New Haven, CT, 06510, USA
| | - Shahdat Hossain
- Department of Environmental Physiology, Faculty of Medicine, Shimane University, Enya-cho, Izumo, Japan.,Department of Biochemistry and Molecular Biology, Jahangirnagar University, Savar, Dhaka, 1342, Bangladesh
| | - Md Emon Hossain
- Department of Environmental Physiology, Faculty of Medicine, Shimane University, Enya-cho, Izumo, Japan.,Department of Biochemistry and Molecular Genetics, University of Alabama at Birmingham, Birmingham, AL, 35294, USA
| | - Masanori Katakura
- Department of Environmental Physiology, Faculty of Medicine, Shimane University, Enya-cho, Izumo, Japan.,Department of Nutritional Physiology, Faculty of Pharmaceutical Sciences, Josai University, Sakado, 350-0295, Japan
| | - Hiroyuki Arai
- Department of Geriatrics & Gerontology Division of Brain Science Institute of Development, Aging and Cancer (IDAC), Tohoku University, Sendai, Miyagi, Japan
| | - Osamu Shido
- Department of Environmental Physiology, Faculty of Medicine, Shimane University, Enya-cho, Izumo, Japan
| | - Michio Hashimoto
- Department of Environmental Physiology, Faculty of Medicine, Shimane University, Enya-cho, Izumo, Japan.
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18
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Cleland NRW, Al-Juboori SI, Dobrinskikh E, Bruce KD. Altered substrate metabolism in neurodegenerative disease: new insights from metabolic imaging. J Neuroinflammation 2021; 18:248. [PMID: 34711251 PMCID: PMC8555332 DOI: 10.1186/s12974-021-02305-w] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 10/21/2021] [Indexed: 12/13/2022] Open
Abstract
Neurodegenerative diseases (NDs), such as Alzheimer's disease (AD), Parkinson's disease (PD) and multiple sclerosis (MS), are relatively common and devastating neurological disorders. For example, there are 6 million individuals living with AD in the United States, a number that is projected to grow to 14 million by the year 2030. Importantly, AD, PD and MS are all characterized by the lack of a true disease-modifying therapy that is able to reverse or halt disease progression. In addition, the existing standard of care for most NDs only addresses the symptoms of the disease. Therefore, alternative strategies that target mechanisms underlying the neuropathogenesis of disease are much needed. Recent studies have indicated that metabolic alterations in neurons and glia are commonly observed in AD, PD and MS and lead to changes in cell function that can either precede or protect against disease onset and progression. Specifically, single-cell RNAseq studies have shown that AD progression is tightly linked to the metabolic phenotype of microglia, the key immune effector cells of the brain. However, these analyses involve removing cells from their native environment and performing measurements in vitro, influencing metabolic status. Therefore, technical approaches that can accurately assess cell-specific metabolism in situ have the potential to be transformative to our understanding of the mechanisms driving AD. Here, we review our current understanding of metabolism in both neurons and glia during homeostasis and disease. We also evaluate recent advances in metabolic imaging, and discuss how emerging modalities, such as fluorescence lifetime imaging microscopy (FLIM) have the potential to determine how metabolic perturbations may drive the progression of NDs. Finally, we propose that the temporal, regional, and cell-specific characterization of brain metabolism afforded by FLIM will be a critical first step in the rational design of metabolism-focused interventions that delay or even prevent NDs.
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Affiliation(s)
- Nicholas R W Cleland
- Endocrinology, Metabolism and Diabetes, Division of Endocrinology, Metabolism and Diabetes, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, USA
- School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, USA
| | - Saif I Al-Juboori
- Section of Neonatology, Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, USA
| | - Evgenia Dobrinskikh
- Section of Neonatology, Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, USA
- Division of Pulmonary Sciences and Critical Care, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, USA
| | - Kimberley D Bruce
- Endocrinology, Metabolism and Diabetes, Division of Endocrinology, Metabolism and Diabetes, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, USA.
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19
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Shati AA, El-Kott AF. Resolvin D1 protects against cadmium chloride-induced memory loss and hippocampal damage in rats: A comparison with docosahexaenoic acid. Hum Exp Toxicol 2021; 40:S215-S232. [PMID: 34405727 DOI: 10.1177/09603271211038739] [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] [Indexed: 01/16/2023]
Abstract
BACKGROUND Intoxication with cadmium (Cd) ions leads to hippocampal damage and cognitive impairment. However, omega-3 polyunsaturated fatty acids (n-3 PUFAs) exert neuroprotective effects in different animal models of neurodegeneration. PURPOSE This study compared the neuroprotective effect of the n-3 PUFA, docosahexaenoic acid (DHA), and its downstream metabolite, resolvin D1 (RVD1), on hippocampal damage and memory deficits in cadmium chloride (CdCl2)-treated rats. RESEARCH DESIGN Control or CdCl2 (0.5 mg/kg)-treated rats were subdivided into three groups (n = 18/each) and treated for 6 weeks as follows: (1) fed control diet, (2) fed DHA-rich diets (0.7 g/100 g), or (3) treated with RVD1 (0.2 μg/kg, i.p). RESULTS Treatment with a DHA-rich diet or RVD1 significantly increased the levels of docosahexaenoic acid and RVD1, respectively, in the hippocampal of CdCl2-treated rats without affecting the reduction in the expression of the 15-lipooxygenase-1 (ALOX15). These effects were associated with improvements in rats' memory function and hippocampal structure, as well as a redction in the hippocampal levels of reactive oxygen species (ROS), malondialdehyde (MDA), tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6), nuclear localization of the nuclear factor-kappa beta p65 (NF-κB p65), and expression of cleaved caspase-3. Concomitantly, hippocampi of both groups of rats showed significantly higher levels of Bcl-2, superoxide dismutase (SOD), and glutathione (GSH), as well as enhanced nuclear levels of the nuclear factor erythroid 2-related factor 2 (Nrf-2). The effects of RVD1 on all these markers in the CdCl2-induced rats were more profound than those of DHA. Also, the increase in the nuclear protein levels of Nrf-2 and the decrease in the levels of Bax and nuclear protein levels of NF-κB p65 were only seen in the hippocampal of CdCl2 + RVD1-treated rats. CONCLUSION RVD1 is more powerful than DHA in preventing CdCl2-induced memory loss and hippocampal damage in rats.
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Affiliation(s)
- Ali A Shati
- Department of Biology, College of Science, 48144King Khalid University, Abha, Saudi Arabia
| | - Attalla F El-Kott
- Department of Biology, College of Science, 48144King Khalid University, Abha, Saudi Arabia.,Department of Zoology, Faculty of Science, Damanhour University, Damanhour, Egypt
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20
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Liu C, Cheng ZY, Xia QP, Hu YH, Wang C, He L. GPR40 receptor agonist TAK-875 improves cognitive deficits and reduces β-amyloid production in APPswe/PS1dE9 mice. Psychopharmacology (Berl) 2021; 238:2133-2146. [PMID: 34173034 DOI: 10.1007/s00213-021-05837-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 03/22/2021] [Indexed: 02/03/2023]
Abstract
RATIONALE Alzheimer's disease (AD) is an age-related neurodegenerative disease characterized by progressive cognitive dysfunction and memory impairment. G protein-coupled receptor 40 (GPR40) is expressed in brain in addition to periphery and is associated with cognitive function such as space orientation, memory, and learning. However, the effects and mechanisms of GPR40 agonist in improving the AD progression remain largely unknown. OBJECTIVES The present study aimed to investigate the therapeutic effects and mechanisms of a potent and selective GPR40 agonist TAK-875 on the APPswe/PS1dE9 mice. RESULTS The results showed that intracerebroventricular administration of TAK-875 significantly rescued cognitive deficits in APPswe/PS1dE9 mice, and these effects may be mediated by the regulation of phospholipase C/protein kinase C signaling pathway, which enhanced α-secretase ADAM10 activity, promoted amyloid precursor protein non-amyloidogenic processing pathway, and reduced β-amyloid production. CONCLUSIONS These results suggest that GPR40 may be a potential therapeutic target for AD, and GPR40 agonists may become promising AD drugs in the future.
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Affiliation(s)
- Chao Liu
- Department of Pharmacology, China Pharmaceutical University, No. 24 Tong Jia Xiang, Nanjing, 210009, Jiang Su Province, China
| | - Zhao-Yan Cheng
- Department of Pharmacology, China Pharmaceutical University, No. 24 Tong Jia Xiang, Nanjing, 210009, Jiang Su Province, China
| | - Qing-Peng Xia
- Department of Pharmacology, China Pharmaceutical University, No. 24 Tong Jia Xiang, Nanjing, 210009, Jiang Su Province, China
| | - Yu-Hui Hu
- Department of Pharmacology, China Pharmaceutical University, No. 24 Tong Jia Xiang, Nanjing, 210009, Jiang Su Province, China
| | - Chen Wang
- Department of Pharmacology, China Pharmaceutical University, No. 24 Tong Jia Xiang, Nanjing, 210009, Jiang Su Province, China
| | - Ling He
- Department of Pharmacology, China Pharmaceutical University, No. 24 Tong Jia Xiang, Nanjing, 210009, Jiang Su Province, China.
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21
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Dewsbury LS, Lim CK, Steiner GZ. The Efficacy of Ketogenic Therapies in the Clinical Management of People with Neurodegenerative Disease: A Systematic Review. Adv Nutr 2021; 12:1571-1593. [PMID: 33621313 PMCID: PMC8321843 DOI: 10.1093/advances/nmaa180] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 11/10/2020] [Accepted: 12/21/2020] [Indexed: 12/12/2022] Open
Abstract
Ketone bodies have potential disease-modifying activity that represent a novel therapeutic approach for neurodegenerative diseases (NDD). The aim of this systematic review was to summarize and evaluate the evidence for the application of ketogenic therapies (dietary or exogenous ketogenic agents) for NDD and provide recommendations for future research. Eight databases were electronically searched for articles reporting on controlled trials (≥4 wk duration) that induced ketosis or elevated serum ketone concentrations in people with NDD. Of 4498 records identified, 17 articles met the inclusion criteria with a total of 979 participants including studies on mild cognitive impairment (MCI; n = 6), multiple sclerosis (n = 4), Alzheimer's disease (n = 5), Parkinson's disease (n = 1), and MCI secondary to Parkinson's disease (n = 1). Of 17 studies, 7 were randomized double-blind placebo-controlled trials. Most studies used dietary interventions (n = 9), followed by medium-chain triglycerides (n = 7) and a fasting protocol (n = 1). Generally, trials were 6 wk in duration and assessed cognition as the primary outcome. Studies were heterogeneous in type and severity of NDD, interventions used, and outcomes assessed. Overall, 3/17 studies carried a low risk of bias. Based on available evidence, exogenous ketogenic agents may be more feasible than dietary interventions in NDD from a compliance and adherence perspective; more research is required to confirm this. Recommendations for future research include improving exogenous formulations to reduce adverse effects, exploring interindividual factors affecting response-to-treatment, and establishing a "minimum required dose" for clinically meaningful improvements in disease-specific symptoms, such as cognition or motor function.
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Affiliation(s)
- Lauren S Dewsbury
- NICM Health Research Institute, Western Sydney University, Penrith, New South Wales, Australia
| | - Chai K Lim
- Department of Biomedical Sciences, Faculty of Medicine Health and Human Sciences, Macquarie University, Macquarie Park, New South Wales, Australia
| | - Genevieve Z Steiner
- NICM Health Research Institute, Western Sydney University, Penrith, New South Wales, Australia
- Translational Health Research Institute (THRI), Western Sydney University, Penrith, New South Wales, Australia
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22
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Grasso M, Caruso G, Godos J, Bonaccorso A, Carbone C, Castellano S, Currenti W, Grosso G, Musumeci T, Caraci F. Improving Cognition with Nutraceuticals Targeting TGF-β1 Signaling. Antioxidants (Basel) 2021; 10:antiox10071075. [PMID: 34356309 PMCID: PMC8301008 DOI: 10.3390/antiox10071075] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 06/29/2021] [Accepted: 06/30/2021] [Indexed: 12/11/2022] Open
Abstract
Rescue of cognitive function represents an unmet need in the treatment of neurodegenerative disorders such as Alzheimer’s disease (AD). Nutraceuticals deliver a concentrated form of a presumed bioactive(s) agent(s) that can improve cognitive function alone or in combination with current approved drugs for the treatment of cognitive disorders. Nutraceuticals include different natural compounds such as flavonoids and their subclasses (flavan-3-ols, catechins, anthocyanins, and flavonols), omega-3, and carnosine that can improve synaptic plasticity and rescue cognitive deficits through multiple molecular mechanisms. A deficit of transforming growth factor-β1 (TGF-β1) pathway is an early event in the pathophysiology of cognitive impairment in different neuropsychiatric disorders, from depression to AD. In the present review, we provide evidence that different nutraceuticals, such as Hypericum perforatum (hypericin and hyperforin), flavonoids such as hesperidin, omega-3, and carnosine, can target TGF-β1 signaling and increase TGF-β1 production in the central nervous system as well as cognitive function. The bioavailability of these nutraceuticals, in particular carnosine, can be significantly improved with novel formulations (nanoparticulate systems, nanoliposomes) that increase the efficacy and stability of this peptide. Overall, these studies suggest that the synergism between nutraceuticals targeting the TGF-β1 pathway and current approved drugs might represent a novel pharmacological approach for reverting cognitive deficits in AD patients.
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Affiliation(s)
- Margherita Grasso
- Department of Drug and Health Sciences, University of Catania, 95125 Catania, Italy; (M.G.); (G.C.); (A.B.); (C.C.); (T.M.); (F.C.)
- Oasi Research Institute—IRCCS, 94018 Troina, Italy
| | - Giuseppe Caruso
- Department of Drug and Health Sciences, University of Catania, 95125 Catania, Italy; (M.G.); (G.C.); (A.B.); (C.C.); (T.M.); (F.C.)
| | - Justyna Godos
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy; (J.G.); (W.C.)
| | - Angela Bonaccorso
- Department of Drug and Health Sciences, University of Catania, 95125 Catania, Italy; (M.G.); (G.C.); (A.B.); (C.C.); (T.M.); (F.C.)
| | - Claudia Carbone
- Department of Drug and Health Sciences, University of Catania, 95125 Catania, Italy; (M.G.); (G.C.); (A.B.); (C.C.); (T.M.); (F.C.)
| | - Sabrina Castellano
- Department of Educational Sciences, University of Catania, 95124 Catania, Italy;
| | - Walter Currenti
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy; (J.G.); (W.C.)
| | - Giuseppe Grosso
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy; (J.G.); (W.C.)
- Correspondence: ; Tel.: +39-09-5478-1187
| | - Teresa Musumeci
- Department of Drug and Health Sciences, University of Catania, 95125 Catania, Italy; (M.G.); (G.C.); (A.B.); (C.C.); (T.M.); (F.C.)
| | - Filippo Caraci
- Department of Drug and Health Sciences, University of Catania, 95125 Catania, Italy; (M.G.); (G.C.); (A.B.); (C.C.); (T.M.); (F.C.)
- Oasi Research Institute—IRCCS, 94018 Troina, Italy
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Association of dietary fat composition with cognitive performance and brain morphology in cognitively healthy individuals. Acta Neuropsychiatr 2021; 33:134-140. [PMID: 33478614 DOI: 10.1017/neu.2021.1] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
BACKGROUND Dietary lipids (omega-3 polyunsaturated fatty acids (n-3) PUFAs) and saturated fatty acids (SFA) seem to play an important role in brain health. (n-3) PUFAs have been shown to improve cerebral perfusion and to promote synaptogenesis. In this study, we investigated the relationship between dietary fat composition, cognitive performance and brain morphology in cognitively healthy individuals. METHODS A total of 101 cognitively healthy participants (age: 42.3 ± 21.3 years, 62 females) were included in this study. Verbal memory was assessed using the California Verbal Learning Test (CVLT). Intake of (n-3) PUFA and SFA was calculated from food-frequency questionnaire-derived data (EPIC-FFQ). Magnetic resonance imaging (MRI) data were obtained (Siemens Trio 3T scanner) and grey matter volumes (GMV) were assessed by voxel-based morphometry (VBM/SPM8). We examined the association of SFA/(n-3) PUFA ratio and memory performance as well as GMV using regression models adjusted for age, sex, education, body mass index, apolipoprotein E (APOE) status and alcohol consumption. For VBM data, a multiple regression analysis was performed using the same covariates as mentioned before with intracranial volume as an additional covariate. RESULTS A high SFA/(n-3) PUFA ratio was significantly (p < 0.05) correlated with poorer verbal memory performance and with lower GMV in areas of the left prefrontal cortex that support memory processes. CONCLUSIONS These findings suggest that a diet rich in PUFAs is likely to exert favourable effects on brain morphology in brain areas important for memory and executive functions. This could constitute a possible mechanism for maintaining cognitive health in older age.
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Duggan MR, Parikh V. Microglia and modifiable life factors: Potential contributions to cognitive resilience in aging. Behav Brain Res 2021; 405:113207. [PMID: 33640394 PMCID: PMC8005490 DOI: 10.1016/j.bbr.2021.113207] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 01/27/2021] [Accepted: 02/20/2021] [Indexed: 02/08/2023]
Abstract
Given the increasing prevalence of age-related cognitive decline, it is relevant to consider the factors and mechanisms that might facilitate an individual's resiliency to such deficits. Growing evidence suggests a preeminent role of microglia, the prime mediator of innate immunity within the central nervous system. Human and animal investigations suggest aberrant microglial functioning and neuroinflammation are not only characteristic of the aged brain, but also might contribute to age-related dementia and Alzheimer's Disease. Conversely, accumulating data suggest that modifiable lifestyle factors (MLFs), such as healthy diet, exercise and cognitive engagement, can reliably afford cognitive benefits by potentially suppressing inflammation in the aging brain. The present review highlights recent advances in our understanding of the role for microglia in maintaining brain homeostasis and cognitive functioning in aging. Moreover, we propose an integrated, mechanistic model that postulates an individual's resiliency to cognitive decline afforded by MLFs might be mediated by the mitigation of aberrant microglia activation in aging, and subsequent suppression of neuroinflammation.
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Affiliation(s)
- Michael R Duggan
- Department of Psychology and Neuroscience Program, Temple University, Philadelphia, PA, 19122, United States
| | - Vinay Parikh
- Department of Psychology and Neuroscience Program, Temple University, Philadelphia, PA, 19122, United States.
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25
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Su L, Yang C, Meng J, Zhou L, Zhang C. Comparative transcriptome and metabolome analysis of Ostrinia furnacalis female adults under UV-A exposure. Sci Rep 2021; 11:6797. [PMID: 33762675 PMCID: PMC7990960 DOI: 10.1038/s41598-021-86269-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Accepted: 03/08/2021] [Indexed: 01/31/2023] Open
Abstract
Ultraviolet A (UV-A) radiation is a significant environmental factor that causes photoreceptor damage, apoptosis, and oxidative stress in insects. Ostrinia furnacalis is an important pest of corn. To understand the adaptation mechanisms of insect response to UV-A exposure, this study revealed differentially expressed genes (DEGs) and differently expressed metabolites (DEMs) in O. furnacalis under UV-A exposure. Three complementary DNA libraries were constructed from O. furnacalis adult females (CK, UV1h, and UV2h), and 50,106 expressed genes were obtained through Illumina sequencing. Of these, 157 and 637 DEGs were detected in UV1h and UV2h after UV-A exposure for 1 and 2 h, respectively, compared to CK, with 103 and 444 upregulated and 54 and 193 downregulated genes, respectively. Forty four DEGs were detected in UV2h compared to UV1h. Comparative transcriptome analysis between UV-treated and control groups revealed signal transduction, detoxification and stress response, immune defense, and antioxidative system involvement. Metabolomics analysis showed that 181 (UV1h vs. CK), 111 (UV2h vs. CK), and 34 (UV2h vs. UV1h) DEMs were obtained in positive ion mode, while 135 (UV1h vs. CK), 93 (UV2h vs. CK), and 36 (UV2h vs. UV1h) DEMs were obtained in negative ion mode. Moreover, UV-A exposure disturbed amino acid, sugar, and lipid metabolism. These findings provide insight for further studies on how insects protect themselves under UV-A stress.
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Affiliation(s)
- Li Su
- grid.443382.a0000 0004 1804 268XInstitute of Entomology, Provincial Key Laboratory for Agricultural Pest Management of Mountainous Regions, Guizhou University, Guiyang, 550025 People’s Republic of China
| | - Changli Yang
- grid.443382.a0000 0004 1804 268XInstitute of Entomology, Provincial Key Laboratory for Agricultural Pest Management of Mountainous Regions, Guizhou University, Guiyang, 550025 People’s Republic of China
| | - Jianyu Meng
- Guizhou Tobacco Science Research Institute, Guiyang, 550081 People’s Republic of China
| | - Lv Zhou
- grid.443382.a0000 0004 1804 268XInstitute of Entomology, Provincial Key Laboratory for Agricultural Pest Management of Mountainous Regions, Guizhou University, Guiyang, 550025 People’s Republic of China
| | - Changyu Zhang
- grid.443382.a0000 0004 1804 268XInstitute of Entomology, Provincial Key Laboratory for Agricultural Pest Management of Mountainous Regions, Guizhou University, Guiyang, 550025 People’s Republic of China
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Sambra V, Echeverria F, Valenzuela A, Chouinard-Watkins R, Valenzuela R. Docosahexaenoic and Arachidonic Acids as Neuroprotective Nutrients throughout the Life Cycle. Nutrients 2021; 13:986. [PMID: 33803760 PMCID: PMC8003191 DOI: 10.3390/nu13030986] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 03/08/2021] [Accepted: 03/16/2021] [Indexed: 12/17/2022] Open
Abstract
The role of docosahexaenoic acid (DHA) and arachidonic acid (AA) in neurogenesis and brain development throughout the life cycle is fundamental. DHA and AA are long-chain polyunsaturated fatty acids (LCPUFA) vital for many human physiological processes, such as signaling pathways, gene expression, structure and function of membranes, among others. DHA and AA are deposited into the lipids of cell membranes that form the gray matter representing approximately 25% of the total content of brain fatty acids. Both fatty acids have effects on neuronal growth and differentiation through the modulation of the physical properties of neuronal membranes, signal transduction associated with G proteins, and gene expression. DHA and AA have a relevant role in neuroprotection against neurodegenerative pathologies such as Alzheimer's disease and Parkinson's disease, which are associated with characteristic pathological expressions as mitochondrial dysfunction, neuroinflammation, and oxidative stress. The present review analyzes the neuroprotective role of DHA and AA in the extreme stages of life, emphasizing the importance of these LCPUFA during the first year of life and in the developing/prevention of neurodegenerative diseases associated with aging.
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Affiliation(s)
- Verónica Sambra
- Department of Nutrition, Faculty of Medicine, University of Chile, Santiago 8380000, Chile; (V.S.); (F.E.)
| | - Francisca Echeverria
- Department of Nutrition, Faculty of Medicine, University of Chile, Santiago 8380000, Chile; (V.S.); (F.E.)
| | - Alfonso Valenzuela
- Faculty of Medicine, School of Nutrition, Universidad de Los Andes, Santiago 8380000, Chile;
| | - Raphaël Chouinard-Watkins
- Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, ON M5S1A8, Canada;
| | - Rodrigo Valenzuela
- Department of Nutrition, Faculty of Medicine, University of Chile, Santiago 8380000, Chile; (V.S.); (F.E.)
- Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, ON M5S1A8, Canada;
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Gan DX, Wang YB, He MY, Chen ZY, Qin XX, Miao ZW, Chen YH, Li B. Lung Cancer Cells-Controlled Dkk-1 Production in Brain Metastatic Cascade Drive Microglia to Acquire a Pro-tumorigenic Phenotype. Front Cell Dev Biol 2021; 8:591405. [PMID: 33384994 PMCID: PMC7769850 DOI: 10.3389/fcell.2020.591405] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Accepted: 11/25/2020] [Indexed: 12/24/2022] Open
Abstract
Objectives Organotropism is primarily determined by tumor-derived exosomes. To date, the role of lung cancer cells-derived exosomes underlying the pre-metastatic niche formation is unclear. Materials and Methods The animal models of retro-orbital and intra-ventricular injection were constructed to administrate lung cancer cells-derived exosomes. Cytokine array was used to screen the cytokines released from brain endothelium after internalization of lung cancer cells-derived exosomes. The cellular co-culture system was established to mimic microglia-vascular niche contained lung cancer cells-derived exosomes. The levels of Dkk-1 and the activities of microglia were analyzed by qRT-PCR, western blot and immunofluorescence. In vivo selections of highly brain metastatic cells were performed to analyze the direct interaction of lung cancer cells with microglia. Results Animal studies demonstrated that there was a suppressive signal transferred from brain endothelium to microglia after internalization of lung cancer cells-derived exosomes into brain endothelium, which caused an absolutely less M1 phenotypic microglia and a relatively more M2 phenotypic microglia. Further results indicated that lung cancer cells-derived exosomes induced a release of endogenous Dkk-1 from brain endothelium, which rendered microglia to acquire a pro-tumorigenic feature in pre-metastatic niche. Subsequently, the declines of Dkk-1 in metastatic lung cancer cells removed the suppression on microglia and enhanced microglial activation in metastatic niche. Conclusion Our findings shed a new light on the synergistic reaction of the different cells in “neurovascular units” toward the metastatic messages from lung cancer cells and provided a potential therapeutic pathway for lung cancer metastasis to brain.
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Affiliation(s)
- Dong-Xue Gan
- Key Laboratory of Medical Cell Biology, Ministry of Education, Department of Developmental Cell Biology, School of Life Sciences, China Medical University, Shenyang, China
| | - Yi-Bei Wang
- Key Laboratory of Medical Cell Biology, Ministry of Education, Department of Developmental Cell Biology, School of Life Sciences, China Medical University, Shenyang, China
| | - Ming-Yang He
- Key Laboratory of Medical Cell Biology, Ministry of Education, Department of Developmental Cell Biology, School of Life Sciences, China Medical University, Shenyang, China
| | - Zi-Yang Chen
- Key Laboratory of Medical Cell Biology, Ministry of Education, Department of Developmental Cell Biology, School of Life Sciences, China Medical University, Shenyang, China
| | - Xiao-Xue Qin
- Key Laboratory of Medical Cell Biology, Ministry of Education, Department of Developmental Cell Biology, School of Life Sciences, China Medical University, Shenyang, China
| | - Zi-Wei Miao
- Key Laboratory of Medical Cell Biology, Ministry of Education, Department of Developmental Cell Biology, School of Life Sciences, China Medical University, Shenyang, China
| | - Yu-Hua Chen
- Key Laboratory of Medical Cell Biology, Ministry of Education, Department of Developmental Cell Biology, School of Life Sciences, China Medical University, Shenyang, China
| | - Bo Li
- Key Laboratory of Medical Cell Biology, Ministry of Education, Department of Developmental Cell Biology, School of Life Sciences, China Medical University, Shenyang, China
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Hashimoto M, Hossain S, Matsuzaki K, Shido O, Yoshino K. The journey from white rice to ultra-high hydrostatic pressurized brown rice: an excellent endeavor for ideal nutrition from staple food. Crit Rev Food Sci Nutr 2020; 62:1502-1520. [PMID: 33190522 DOI: 10.1080/10408398.2020.1844138] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Although brown rice (BR) contains significantly higher levels of nutrients than the traditionally used polished white rice (WR), its consumption among the population is still not noteworthy. WR and BR are essentially same grain. The only difference between the two is the application of an exhaustive milling procedure during the processing of WR that removes all other layers of the grain except the portion of its white endosperm. BR, on the other hand, is prepared by removing only the outer hull of the rice seed. Thus, in addition to its inner endosperm, the bran and germ are also left on the BR. Hence, BR retains all its nutrients, including proteins, lipids, carbohydrates, fibers, vitamins, minerals, tocopherols, tocotrienols, γ-oryzanol, and γ-aminobutyric acid (GABA) packed into the bran and germ of the seed. Since BR tastes nutty and takes longer to cook than WR, it is not appreciated by the consumers. However, these problems have been circumvented using non-thermal ultra-high hydrostatic pressure (UHHP)-processing for the treatment of BR. A superior modification in the physicochemical and functional qualities of UHHPBR, along with its ability to curb human diseases may make it a more palatable and nutritious choice of rice over WR or the untreated-BR. Here, we have reviewed the mechanism by which UHHP treatment leads to the modification of nutrients such as proteins, lipids, carbohydrates, and fibers. We have focused on the effects of rice on cell and animal models of different conditions such as hyperlipidemia, diabetes, and hypertension and the possible mechanisms. Finally, we have emphasized the effects of UHHPBR in human cases with rare conditions such as osteoporosis and brain cognition - two age-related degenerative diseases of the elderly population.
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Affiliation(s)
- Michio Hashimoto
- Department of Environmental Physiology, Shimane University, Faculty of Medicine, Izumo, Japan
| | - Shahdat Hossain
- Department of Environmental Physiology, Shimane University, Faculty of Medicine, Izumo, Japan.,Departmnet of Biochemistry and Molecular Biology, Jahangirnagar University, Savar, Bangladesh
| | - Kentaro Matsuzaki
- Department of Environmental Physiology, Shimane University, Faculty of Medicine, Izumo, Japan
| | - Osamu Shido
- Department of Environmental Physiology, Shimane University, Faculty of Medicine, Izumo, Japan
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Ichinose T, Kato M, Matsuzaki K, Tanabe Y, Tachibana N, Morikawa M, Kato S, Ohata S, Ohno M, Wakatsuki H, Hossain S, Shido O, Hashimoto M. Beneficial effects of docosahexaenoic acid-enriched milk beverage intake on cognitive function in healthy elderly Japanese: A 12-month randomized, double-blind, placebo-controlled trial. J Funct Foods 2020. [DOI: 10.1016/j.jff.2020.104195] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
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Hossain S, Hussain J, Bhowmick S, Sarkar M, Basunia M, Al Mamun A, Tanabe Y, Matsuzaki K, Hashimoto M, Shido O. Docosahexaenoic Acid (DHA, C22:6, ω-3) Composition of Milk and Mammary Gland Tissues of Lactating Mother Rats Is Severely Affected by Lead (Pb) Exposure. Biol Trace Elem Res 2020; 195:525-534. [PMID: 31463761 DOI: 10.1007/s12011-019-01878-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Accepted: 08/19/2019] [Indexed: 12/13/2022]
Abstract
Docosahexaenoic acid (DHA, C22:6, ω-3), an ω-3 polyunsaturated fatty acid (PUFA), is critical for brain growth, development, and cognitive ability. It is consumed by offspring via milk during lactation. However, the toxic heavy metal lead (Pb) readily passes into the mammary glands of mother animals and then to offspring through milk. Here, we investigated whether DHA composition of milk and mammary gland tissues is affected by Pb exposure. Mother rats were exposed to Pb via drinking water (0.1%). The fatty acid profile and levels of reduced glutathione (GSH), lipid peroxide (LPO), and pro-inflammatory TNF-α in milk and mammary tissues were measured. Levels of DHA and antioxidant GSH decreased (P < 0.05), while LPO and TNF-α levels increased (P < 0.05) both in milk and mammary tissues. Our results suggest that toxic Pb exposure can upset the level of milk DHA, which may affect brain growth and development, and hence cognitive ability in adulthood and later life.
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Affiliation(s)
- Shahdat Hossain
- Department of Biochemistry & Molecular Biology, Jahangirnagar University, Savar, Dhaka, 1342, Bangladesh.
| | - Jakir Hussain
- Department of Biochemistry & Molecular Biology, Jahangirnagar University, Savar, Dhaka, 1342, Bangladesh
| | - Sujan Bhowmick
- Department of Biochemistry & Molecular Biology, Jahangirnagar University, Savar, Dhaka, 1342, Bangladesh
| | - Marzan Sarkar
- Department of Biochemistry & Molecular Biology, Jahangirnagar University, Savar, Dhaka, 1342, Bangladesh
| | - Mafroz Basunia
- Department of Biochemistry & Molecular Biology, Jahangirnagar University, Savar, Dhaka, 1342, Bangladesh
| | - Abdullah Al Mamun
- Department of Environmental Physiology, Faculty of Medicine, Shimane University, Izumo, Shimane, Japan
| | - Yoko Tanabe
- Department of Environmental Physiology, Faculty of Medicine, Shimane University, Izumo, Shimane, Japan
| | - Kentaro Matsuzaki
- Department of Environmental Physiology, Faculty of Medicine, Shimane University, Izumo, Shimane, Japan
| | - Michio Hashimoto
- Department of Environmental Physiology, Faculty of Medicine, Shimane University, Izumo, Shimane, Japan
| | - Osamu Shido
- Department of Environmental Physiology, Faculty of Medicine, Shimane University, Izumo, Shimane, Japan
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Park YH, Shin SJ, Kim HS, Hong SB, Kim S, Nam Y, Kim JJ, Lim K, Kim JS, Kim JI, Jeon SG, Moon M. Omega-3 Fatty Acid-Type Docosahexaenoic Acid Protects against Aβ-Mediated Mitochondrial Deficits and Pathomechanisms in Alzheimer's Disease-Related Animal Model. Int J Mol Sci 2020; 21:ijms21113879. [PMID: 32486013 PMCID: PMC7312360 DOI: 10.3390/ijms21113879] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Revised: 05/27/2020] [Accepted: 05/27/2020] [Indexed: 12/18/2022] Open
Abstract
It has been reported that damage to the mitochondria affects the progression of Alzheimer's disease (AD), and that mitochondrial dysfunction is improved by omega-3. However, no animal or cell model studies have confirmed whether omega-3 inhibits AD pathology related to mitochondria deficits. In this study, we aimed to (1) identify mitigating effects of endogenous omega-3 on mitochondrial deficits and AD pathology induced by amyloid beta (Aβ) in fat-1 mice, a transgenic omega-3 polyunsaturated fatty acids (PUFAs)-producing animal; (2) identify if docosahexaenoic acid (DHA) improves mitochondrial deficits induced by Aβ in HT22 cells; and (3) verify improvement effects of DHA administration on mitochondrial deficits and AD pathology in B6SJL-Tg(APPSwFlLon,PSEN1*M146L*L286V)6799Vas/Mmjax (5XFAD), a transgenic Aβ-overexpressing model. We found that omega-3 PUFAs significantly improved Aβ-induced mitochondrial pathology in fat-1 mice. In addition, our in vitro and in vivo findings demonstrate that DHA attenuated AD-associated pathologies, such as mitochondrial impairment, Aβ accumulation, neuroinflammation, neuronal loss, and impairment of adult hippocampal neurogenesis.
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Affiliation(s)
- Yong Ho Park
- Department of Biochemistry, College of Medicine, Konyang University, 158, Gwanjeodong-ro, Seo-gu, Daejeon 35365, Korea; (Y.H.P.); (S.J.S.); (H.s.K.); (S.B.H.); (S.K.); (Y.N.)
| | - Soo Jung Shin
- Department of Biochemistry, College of Medicine, Konyang University, 158, Gwanjeodong-ro, Seo-gu, Daejeon 35365, Korea; (Y.H.P.); (S.J.S.); (H.s.K.); (S.B.H.); (S.K.); (Y.N.)
| | - Hyeon soo Kim
- Department of Biochemistry, College of Medicine, Konyang University, 158, Gwanjeodong-ro, Seo-gu, Daejeon 35365, Korea; (Y.H.P.); (S.J.S.); (H.s.K.); (S.B.H.); (S.K.); (Y.N.)
| | - Sang Bum Hong
- Department of Biochemistry, College of Medicine, Konyang University, 158, Gwanjeodong-ro, Seo-gu, Daejeon 35365, Korea; (Y.H.P.); (S.J.S.); (H.s.K.); (S.B.H.); (S.K.); (Y.N.)
| | - Sujin Kim
- Department of Biochemistry, College of Medicine, Konyang University, 158, Gwanjeodong-ro, Seo-gu, Daejeon 35365, Korea; (Y.H.P.); (S.J.S.); (H.s.K.); (S.B.H.); (S.K.); (Y.N.)
| | - Yunkwon Nam
- Department of Biochemistry, College of Medicine, Konyang University, 158, Gwanjeodong-ro, Seo-gu, Daejeon 35365, Korea; (Y.H.P.); (S.J.S.); (H.s.K.); (S.B.H.); (S.K.); (Y.N.)
| | - Jwa-Jin Kim
- Department of Nephrology, School of Medicine, Chungnam National University, Daejeon 35015, Korea;
| | - Kyu Lim
- Department of Biochemistry, School of Medicine, Chungnam National University, Daejeon 35015, Korea;
| | - Jong-Seok Kim
- Myunggok Medical Research Institute, College of Medicine, Konyang University, Daejeon 35365, Korea;
| | - Jin-il Kim
- Department of Nursing, College of Nursing, Jeju National University, Jeju-si 63243, Korea
- Correspondence: (J.-i.K.); (S.G.J.); (M.M.); Tel.: +82-64-754-3755 (J.-i.K.); +82-42-600-6450 (S.G.J.); +82-42-600-8694 (M.M.)
| | - Seong Gak Jeon
- Department of Biochemistry, College of Medicine, Konyang University, 158, Gwanjeodong-ro, Seo-gu, Daejeon 35365, Korea; (Y.H.P.); (S.J.S.); (H.s.K.); (S.B.H.); (S.K.); (Y.N.)
- Biopharmaceutical Chemistry Major, School of Applied Chemistry, Kookmin University, Seongbuk-gu, Seoul 02707, Korea
- Correspondence: (J.-i.K.); (S.G.J.); (M.M.); Tel.: +82-64-754-3755 (J.-i.K.); +82-42-600-6450 (S.G.J.); +82-42-600-8694 (M.M.)
| | - Minho Moon
- Department of Biochemistry, College of Medicine, Konyang University, 158, Gwanjeodong-ro, Seo-gu, Daejeon 35365, Korea; (Y.H.P.); (S.J.S.); (H.s.K.); (S.B.H.); (S.K.); (Y.N.)
- Correspondence: (J.-i.K.); (S.G.J.); (M.M.); Tel.: +82-64-754-3755 (J.-i.K.); +82-42-600-6450 (S.G.J.); +82-42-600-8694 (M.M.)
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Sáez-Orellana F, Octave JN, Pierrot N. Alzheimer's Disease, a Lipid Story: Involvement of Peroxisome Proliferator-Activated Receptor α. Cells 2020; 9:E1215. [PMID: 32422896 PMCID: PMC7290654 DOI: 10.3390/cells9051215] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 05/10/2020] [Accepted: 05/12/2020] [Indexed: 12/11/2022] Open
Abstract
Alzheimer's disease (AD) is the leading cause of dementia in the elderly. Mutations in genes encoding proteins involved in amyloid-β peptide (Aβ) production are responsible for inherited AD cases. The amyloid cascade hypothesis was proposed to explain the pathogeny. Despite the fact that Aβ is considered as the main culprit of the pathology, most clinical trials focusing on Aβ failed and suggested that earlier interventions are needed to influence the course of AD. Therefore, identifying risk factors that predispose to AD is crucial. Among them, the epsilon 4 allele of the apolipoprotein E gene that encodes the major brain lipid carrier and metabolic disorders such as obesity and type 2 diabetes were identified as AD risk factors, suggesting that abnormal lipid metabolism could influence the progression of the disease. Among lipids, fatty acids (FAs) play a fundamental role in proper brain function, including memory. Peroxisome proliferator-activated receptor α (PPARα) is a master metabolic regulator that regulates the catabolism of FA. Several studies report an essential role of PPARα in neuronal function governing synaptic plasticity and cognition. In this review, we explore the implication of lipid metabolism in AD, with a special focus on PPARα and its potential role in AD therapy.
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Affiliation(s)
- Francisco Sáez-Orellana
- Université Catholique de Louvain, Alzheimer Dementia, Avenue Mounier 53, SSS/IONS/CEMO-Bte B1.53.03, B-1200 Brussels, Belgium; (F.S.-O.); (J.-N.O.)
- Institute of Neuroscience, Alzheimer Dementia, Avenue Mounier 53, SSS/IONS/CEMO-Bte B1.53.03, B-1200 Brussels, Belgium
| | - Jean-Noël Octave
- Université Catholique de Louvain, Alzheimer Dementia, Avenue Mounier 53, SSS/IONS/CEMO-Bte B1.53.03, B-1200 Brussels, Belgium; (F.S.-O.); (J.-N.O.)
- Institute of Neuroscience, Alzheimer Dementia, Avenue Mounier 53, SSS/IONS/CEMO-Bte B1.53.03, B-1200 Brussels, Belgium
| | - Nathalie Pierrot
- Université Catholique de Louvain, Alzheimer Dementia, Avenue Mounier 53, SSS/IONS/CEMO-Bte B1.53.03, B-1200 Brussels, Belgium; (F.S.-O.); (J.-N.O.)
- Institute of Neuroscience, Alzheimer Dementia, Avenue Mounier 53, SSS/IONS/CEMO-Bte B1.53.03, B-1200 Brussels, Belgium
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Twelve-month Studies on Perilla Oil Intake in Japanese Adults-Possible Supplement for Mental Health. Foods 2020; 9:foods9040530. [PMID: 32331363 PMCID: PMC7230189 DOI: 10.3390/foods9040530] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Revised: 04/18/2020] [Accepted: 04/21/2020] [Indexed: 01/13/2023] Open
Abstract
Perilla oil (PO), rich in α-linolenic acid (LNA, C18:3, ω-3), is increasingly alleged to have numerous health benefits in humans. However, the current reports detailing the effects of PO on human mental health are not adequate. Therefore, in the current investigation we compared the effects of PO or placebo treatment on the mental condition of healthy adult Japanese volunteers. At baseline and after 12 months of treatment, mental health condition was assessed using the Zung Self-Rating Depression Scale (SDS) and Apathy Scale, and serum biochemical parameters were determined. From baseline to 12 months of intervention, both SDS depression and apathy scores improved significantly in the PO-administered group. Compared to those of control group, serum norepinephrine and serotonin levels after 12 months decreased in the PO-administered group. The enhanced mental state observed in PO-subjects was accompanied by LNA level increases in erythrocyte plasma membranes. Our data demonstrate that PO intake enhances blood LNA levels and may maintain healthy mental conditions in adult subjects.
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Joensuu M, Wallis TP, Saber SH, Meunier FA. Phospholipases in neuronal function: A role in learning and memory? J Neurochem 2020; 153:300-333. [PMID: 31745996 DOI: 10.1111/jnc.14918] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 10/29/2019] [Accepted: 11/15/2019] [Indexed: 12/20/2022]
Abstract
Despite the human brain being made of nearly 60% fat, the vast majority of studies on the mechanisms of neuronal communication which underpin cognition, memory and learning, primarily focus on proteins and/or (epi)genetic mechanisms. Phospholipids are the main component of all cellular membranes and function as substrates for numerous phospholipid-modifying enzymes, including phospholipases, which release free fatty acids (FFAs) and other lipid metabolites that can alter the intrinsic properties of the membranes, recruit and activate critical proteins, and act as lipid signalling molecules. Here, we will review brain specific phospholipases, their roles in membrane remodelling, neuronal function, learning and memory, as well as their disease implications. In particular, we will highlight key roles of unsaturated FFAs, particularly arachidonic acid, in neurotransmitter release, neuroinflammation and memory. In light of recent findings, we will also discuss the emerging role of phospholipase A1 and the creation of saturated FFAs in the brain.
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Affiliation(s)
- Merja Joensuu
- Clem Jones Centre for Ageing Dementia Research, Queensland Brain Institute, The University of Queensland, Brisbane, Qld, Australia.,Minerva Foundation Institute for Medical Research, Helsinki, Finland
| | - Tristan P Wallis
- Clem Jones Centre for Ageing Dementia Research, Queensland Brain Institute, The University of Queensland, Brisbane, Qld, Australia
| | - Saber H Saber
- Laboratory of Molecular Cell Biology, Department of Zoology, Faculty of Science, Assiut University, Assiut, Egypt
| | - Frédéric A Meunier
- Clem Jones Centre for Ageing Dementia Research, Queensland Brain Institute, The University of Queensland, Brisbane, Qld, Australia
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Antonini R, Scaini G, Michels M, Matias MBD, Schuck PF, Ferreira GC, de Oliveira J, Dal-Pizzol F, Streck EL. Effects of omega-3 fatty acids supplementation on inflammatory parameters after chronic administration of L-tyrosine. Metab Brain Dis 2020; 35:295-303. [PMID: 31828693 DOI: 10.1007/s11011-019-00525-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Accepted: 12/01/2019] [Indexed: 12/18/2022]
Abstract
Tyrosinemia type II is an autosomal recessive inborn error of metabolism caused by hepatic cytosolic tyrosine aminotransferase deficiency. Importantly, this disease is associated with neurological and developmental abnormalities in many patients. Considering that the mechanisms underlying neurological dysfunction in hypertyrosinemic patients are poorly understood, in the present work we investigated the levels of cytokines - tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β), IL-6 and IL-10 - in cerebellum, hippocampus, striatum of young rats exposed to chronic administration of L-tyrosine. In addition, we also investigated the impact of the supplementation with Omega-3 fatty acids (n-3 PUFA) on the rodent model of Tyrosinemia. Notably, previous study demonstrated an association between L-tyrosine toxicity and n-3 PUFA deficiency. Our results showed a significant increase in the levels of pro- and anti-inflammatory cytokines in brain structures when animals were administered with L-tyrosine. Cerebral cortex and striatum seem to be more susceptible to the inflammation induced by tyrosine toxicity. Importantly, n-3 PUFA supplementation attenuated the alterations on cytokines levels induced by tyrosine exposure in brain regions of infant rats. In conclusion, the brain inflammation is also an important process related to tyrosine neurotoxicity observed in the experimental model of Tyrosinemia. Finally, n-3 PUFA supplementation could be considered as a potential neuroprotective adjunctive therapy for Tyrosinemias, especially type II.
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Affiliation(s)
- Rafaela Antonini
- Laboratório de Neurologia Experimental, Programa de Pós-graduação em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Av. Universitária, 1105, Criciúma, SC, 88806-000, Brazil
- Instituto Nacional de Ciência e Tecnologia Translacional em Medicina, Porto Alegre, RS, Brazil
- Center of Excellence in Applied Neuroscience of Santa Catarina (NENASC), Criciúma, Brazil
| | - Giselli Scaini
- Laboratório de Neurologia Experimental, Programa de Pós-graduação em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Av. Universitária, 1105, Criciúma, SC, 88806-000, Brazil
- Instituto Nacional de Ciência e Tecnologia Translacional em Medicina, Porto Alegre, RS, Brazil
- Center of Excellence in Applied Neuroscience of Santa Catarina (NENASC), Criciúma, Brazil
| | - Monique Michels
- Instituto Nacional de Ciência e Tecnologia Translacional em Medicina, Porto Alegre, RS, Brazil
- Laboratório de Fisiopatologia Experimental, Programa de Pós-graduação em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Criciúma, SC, Brazil
| | - Mariane B D Matias
- Laboratório de Neurologia Experimental, Programa de Pós-graduação em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Av. Universitária, 1105, Criciúma, SC, 88806-000, Brazil
| | - Patrícia F Schuck
- Laboratório de Neurologia Experimental, Programa de Pós-graduação em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Av. Universitária, 1105, Criciúma, SC, 88806-000, Brazil
| | - Gustavo C Ferreira
- Laboratório de Neuroquímica, Instituto de Biofísica Carlos Chagas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Jade de Oliveira
- Laboratório de Neurologia Experimental, Programa de Pós-graduação em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Av. Universitária, 1105, Criciúma, SC, 88806-000, Brazil
- Programa de Pós-graduação em Ciências Biológicas: Bioquímica, Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Felipe Dal-Pizzol
- Instituto Nacional de Ciência e Tecnologia Translacional em Medicina, Porto Alegre, RS, Brazil
- Laboratório de Fisiopatologia Experimental, Programa de Pós-graduação em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Criciúma, SC, Brazil
| | - Emilio L Streck
- Laboratório de Neurologia Experimental, Programa de Pós-graduação em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Av. Universitária, 1105, Criciúma, SC, 88806-000, Brazil.
- Instituto Nacional de Ciência e Tecnologia Translacional em Medicina, Porto Alegre, RS, Brazil.
- Center of Excellence in Applied Neuroscience of Santa Catarina (NENASC), Criciúma, Brazil.
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Alex A, Abbott KA, McEvoy M, Schofield PW, Garg ML. Long-chain omega-3 polyunsaturated fatty acids and cognitive decline in non-demented adults: a systematic review and meta-analysis. Nutr Rev 2019; 78:563-578. [DOI: 10.1093/nutrit/nuz073] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
Abstract
Context
Long-chain omega-3 polyunsaturated fatty acids (LCn-3PUFAs) are widely considered as nootropic agents that may be beneficial in reversing cognitive impairment.
Objective
The present systematic review of randomized controlled trials was conducted to determine the changes in cognitive function after intervention with LCn-3PUFA supplementation in non-demented adults, including those with mild cognitive impairment.
Data Sources
Five databases (MEDLINE, CINAHL, Scopus, EMBASE, and the Cochrane Library) were searched systematically along with reference lists of selected articles.
Study Selection
Studies were eligible for inclusion if they measured the effect of LCn-3PUFA supplementation on cognition in non-demented adults.
Data Extraction
A total of 787 records were screened, of which 25 studies were eligible for inclusion. Treatment effects were summarized as global cognitive function for primary outcome and measured using the Mini-Mental State Examination and individual cognitive domains for secondary outcome. The pooled effect sizes were estimated using Hedge’s g and random-effects modeling.
Data Analysis
Results from randomized controlled trials indicate that LCn-3PUFAs have no effect on global cognitive function (Hedge’s g = 0.02; 95% confidence interval, −0.12 to 0.154), and among the specific cognitive domains, only memory function showed a mild benefit (Hedge’s g = 0.31; P = 0.003; z = 2.945).
Conclusion
The existing literature suggests that LCn-3PUFA supplementation could provide a mild benefit in improving memory function in non-demented older adults.
Systematic Review Registration
PROSPERO registration no. CRD42017078664.
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Affiliation(s)
- Anu Alex
- Nutraceuticals Research Program, School of Biomedical Sciences and Pharmacy
| | - Kylie A Abbott
- Nutraceuticals Research Program, School of Biomedical Sciences and Pharmacy
| | - Mark McEvoy
- School of Medicine and Public Health
- Hunter Medical Research Institute, University of Newcastle, NSW, Australia
| | - Peter W Schofield
- School of Medicine and Public Health
- Neuropsychiatry Service, Hunter New England Local Health District, NSW, Australia
| | - Manohar L Garg
- Nutraceuticals Research Program, School of Biomedical Sciences and Pharmacy
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El Fari R, Abbaoui A, Bourziq A, Zroudi M, Draoui A, El Khiat A, Belkouch M, Elgot A, Gamrani H. Neuroprotective effects of docosahexaenoic acid against sub-acute manganese intoxication induced dopaminergic and motor disorders in mice. J Chem Neuroanat 2019; 102:101686. [DOI: 10.1016/j.jchemneu.2019.101686] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 08/22/2019] [Accepted: 09/24/2019] [Indexed: 01/07/2023]
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Gubert C, Kong G, Renoir T, Hannan AJ. Exercise, diet and stress as modulators of gut microbiota: Implications for neurodegenerative diseases. Neurobiol Dis 2019; 134:104621. [PMID: 31628992 DOI: 10.1016/j.nbd.2019.104621] [Citation(s) in RCA: 194] [Impact Index Per Article: 38.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2019] [Revised: 09/14/2019] [Accepted: 09/23/2019] [Indexed: 12/23/2022] Open
Abstract
The last decade has witnessed an exponentially growing interest in gut microbiota and the gut-brain axis in health and disease. Accumulating evidence from preclinical and clinical research indicate that gut microbiota, and their associated microbiomes, may influence pathogenic processes and thus the onset and progression of various diseases, including neurological and psychiatric disorders. In fact, gut dysbiosis (microbiota dysregulation) has been associated with a range of neurodegenerative diseases, including Alzheimer's, Parkinson's, Huntington's and motor neuron disease, as well as multiple sclerosis. The gut microbiota constitutes a dynamic microbial system constantly challenged by many biological variables, including environmental factors. Since the gut microbiota constitute a changeable and experience-dependent ecosystem, they provide potential therapeutic targets that can be modulated as new interventions for dysbiosis-related disorders, including neurodegenerative diseases. This article reviews the evidence for environmental modulation of gut microbiota and its relevance to brain disorders, exploring in particular the implications for neurodegenerative diseases. We will focus on three major environmental factors that are known to influence the onset and progression of those diseases, namely exercise, diet and stress. Further exploration of environmental modulation, acting via both peripheral (e.g. gut microbiota and associated metabolic dysfunction or 'metabolopathy') and central (e.g. direct effects on CNS neurons and glia) mechanisms, may lead to the development of novel therapeutic approaches, such as enviromimetics, for a wide range of neurological and psychiatric disorders.
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Affiliation(s)
- Carolina Gubert
- Florey Institute of Neuroscience and Mental Health, Melbourne Brain Centre, University of Melbourne, Parkville, Victoria, Australia
| | - Geraldine Kong
- Florey Institute of Neuroscience and Mental Health, Melbourne Brain Centre, University of Melbourne, Parkville, Victoria, Australia
| | - Thibault Renoir
- Florey Institute of Neuroscience and Mental Health, Melbourne Brain Centre, University of Melbourne, Parkville, Victoria, Australia
| | - Anthony J Hannan
- Florey Institute of Neuroscience and Mental Health, Melbourne Brain Centre, University of Melbourne, Parkville, Victoria, Australia; Department of Anatomy and Neuroscience, University of Melbourne, Parkville, Victoria, Australia.
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Sho M, Ichiyanagi N, Imaizumi K, Ishikawa M, Morimoto S, Watanabe H, Okano H. A combinational treatment of carotenoids decreases Aβ secretion in human neurons via β-secretase inhibition. Neurosci Res 2019; 158:47-55. [PMID: 31606373 DOI: 10.1016/j.neures.2019.10.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 10/04/2019] [Accepted: 10/08/2019] [Indexed: 12/12/2022]
Abstract
Alzheimer's disease (AD) is the most common cause of dementia and is characterized neuropathologically by the presence of amyloid plaques and neurofibrillary tangles. Amyloid-β (Aβ) peptides, major components of amyloid plaques and crucial pathogenic molecules in terms of the amyloid hypothesis, are derived from successive proteolytic processing of amyloid-β precursor protein (APP). In this study, we established a human neuronal culture system using induced pluripotent stem cells (iPSCs) to evaluate the possible effects of natural compounds on the amyloid phenotype. Unexpectedly, we found that combinational treatment of carotenoids, but not docosahexaenoic acid, significantly decreased Aβ secretion from iPSC-derived human cortical neurons. Importantly, the effects of the carotenoids resulted from specific inhibition of BACE1 activity and not from expression changes in APP or BACE1. Therefore, these results indicate a novel beneficial function of carotenoids in the anti-amyloidogenic processing of APP. Collectively, this study will shed light on neuronal protection by a novel mechanism during the pathogenesis of AD.
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Affiliation(s)
- Misato Sho
- Department of Physiology, Keio University, School of Medicine, Tokyo, Japan
| | - Naoki Ichiyanagi
- Department of Physiology, Keio University, School of Medicine, Tokyo, Japan
| | - Kent Imaizumi
- Department of Physiology, Keio University, School of Medicine, Tokyo, Japan
| | - Mitsuru Ishikawa
- Department of Physiology, Keio University, School of Medicine, Tokyo, Japan
| | - Satoru Morimoto
- Department of Physiology, Keio University, School of Medicine, Tokyo, Japan
| | - Hirotaka Watanabe
- Department of Physiology, Keio University, School of Medicine, Tokyo, Japan
| | - Hideyuki Okano
- Department of Physiology, Keio University, School of Medicine, Tokyo, Japan.
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Fukuda T, Ayabe T, Ohya R, Ano Y. Matured hop bitter acids improve spatial working and object recognition memory via nicotinic acetylcholine receptors. Psychopharmacology (Berl) 2019; 236:2847-2854. [PMID: 31069423 DOI: 10.1007/s00213-019-05263-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Accepted: 04/26/2019] [Indexed: 01/04/2023]
Abstract
RATIONALE Cognitive decline and dementia are major concerns in today's aging society. As limited treatments are available, measures to prevent cognitive decline and dementia are needed. We previously demonstrated that matured hop bitter acids (MHBA), bitter components of beer, increase norepinephrine in the hippocampus and improve memory in amnesia model mice induced by scopolamine (SCP), an antagonist of muscarinic receptor. However, other neurotransmitters involved in the effects of MHBA on memory improvement remain unknown. OBJECTIVES This study aimed to assess the role of acetylcholine receptors (AChR) in the effects of MHBA on memory. METHOD The involvement of AChR on the effects of MHBA (10 mg/kg) on cognitive function was evaluated using AChR antagonists, SCP, mecamylamine hydrochloride (MEC), a non-competitive antagonist of nicotinic-AChR (nAChR), and methyllycaconitine citrate (MLA), an α7nAChR antagonist, for the Y-maze test and the novel object recognition test (NORT). A separate population of mice, which underwent vagotomy or sham operation, was subjected to NORT to elucidate further mechanism. In addition, the effect of MHBA on acetylcholinesterase (AChE) activity was measured in vitro. RESULTS In accordance with previous reports, MHBA improved spontaneous alternations of the Y-maze test in SCP-induced amnesia mice and increased discrimination index evaluated by the NORT in normal mice. On the other hand, treatment with MEC or MLA attenuated the effects of MHBA on memory improvement in the Y-maze test and the NORT. Vagotomized mice also showed attenuated memory enhancement by MHBA in the NORT. In addition, MHBA did not alter AChE activity in vitro. CONCLUSIONS The results support the involvement of nAChRs in memory improvement in mice by MHBA. MHBA is thus thought to activate the vagal nerve and enhance hippocampus-dependent memory via nAChRs.
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Affiliation(s)
- Takafumi Fukuda
- Research Laboratories for Health Science & Food Technologies, Kirin Company, Ltd., Yokohama, Kanagawa, Japan.
| | - Tatsuhiro Ayabe
- Research Laboratories for Health Science & Food Technologies, Kirin Company, Ltd., Yokohama, Kanagawa, Japan
| | - Rena Ohya
- Research Laboratories for Health Science & Food Technologies, Kirin Company, Ltd., Yokohama, Kanagawa, Japan
| | - Yasuhisa Ano
- Research Laboratories for Health Science & Food Technologies, Kirin Company, Ltd., Yokohama, Kanagawa, Japan
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Iacovides S, Goble D, Paterson B, Meiring RM. Three consecutive weeks of nutritional ketosis has no effect on cognitive function, sleep, and mood compared with a high-carbohydrate, low-fat diet in healthy individuals: a randomized, crossover, controlled trial. Am J Clin Nutr 2019; 110:349-357. [PMID: 31098615 DOI: 10.1093/ajcn/nqz073] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Accepted: 04/05/2019] [Indexed: 01/17/2023] Open
Abstract
BACKGROUND The high-fat ketogenic diet (KD) has become an increasingly popular diet not only in overweight/obese populations, or those with clinical conditions, but also in healthy non-overweight populations. OBJECTIVE Because there are concerns about the association between high-fat diets and cognitive decline, this study aimed to determine the effects of a KD compared with an isocaloric high-carbohydrate, low-fat (HCLF) diet on cognitive function, sleep, and mood in healthy, normal-weight individuals. METHODS Eleven healthy, normal-weight participants (mean age: 30 ± 9 y) completed this randomized, controlled, crossover study. Participants followed 2 isocaloric diets-an HCLF diet (55% carbohydrate, 20% fat, and 25% protein) and a KD (15% carbohydrate, 60% fat, and 25% protein)-in a randomized order for a minimum of 3 wk, with a 1-wk washout period between diets. Measures of β-hydroxybutyrate confirmed that all participants were in a state of nutritional ketosis during post-KD assessments (baseline: 0.2 ± 0.2 mmol/L; KD: 1.0 ± 0.5 mmol/L; washout: 0.2 ± 0.1 mmol/L; and HCLF: 0.3 ± 0.2 mmol/L). Cognitive function was assessed using a validated, psychological computer-based test battery before and after each diet. Subjective measures of mood and sleep were also monitored throughout the study using validated scales. RESULTS Three weeks of sustained nutritional ketosis, compared with the HCLF diet, had no effect on speed and accuracy responses in tasks designed to measure vigilance (speed: P = 0.39, Cohen's d = 0.26; accuracy: P = 0.99, Cohen's d = 0.04), visual learning and memory (speed: P = 0.99, Cohen's d = 0.04; accuracy: P = 0.99, Cohen's d = 0.03), working memory (speed: P = 0.62, Cohen's d = 0.26; accuracy: P = 0.98, Cohen's d = 0.07), and executive function (speed: P = 0.60, Cohen's d = 0.31; accuracy: P = 0.90, Cohen's d = 0.19). Likewise, mood, sleep quality, and morning vigilance did not differ (P > 0.05) between the dietary interventions. CONCLUSION The results of our randomized, crossover, controlled study suggest that 3 wk of sustained nutritional ketosis had no effect on cognitive performance, mood, or subjective sleep quality in a sample of healthy individuals. This trial was registered in the Pan African Clinical Trial Registry as PACTR201707002406306.
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Affiliation(s)
| | - David Goble
- Movement Physiology Research Laboratory, School of Physiology, Faculty of Health Sciences, University of the Witwaters and rand, Johannesburg, South Africa
| | - Bronwyn Paterson
- Brain Function Research Group.,Movement Physiology Research Laboratory, School of Physiology, Faculty of Health Sciences, University of the Witwaters and rand, Johannesburg, South Africa
| | - Rebecca M Meiring
- Movement Physiology Research Laboratory, School of Physiology, Faculty of Health Sciences, University of the Witwaters and rand, Johannesburg, South Africa.,Department of Exercise Sciences, Faculty of Science, The University of Auckland, Auckland, New Zealand
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Royes LFF, Gomez-Pinilla F. Making sense of gut feelings in the traumatic brain injury pathogenesis. Neurosci Biobehav Rev 2019; 102:345-361. [PMID: 31102601 DOI: 10.1016/j.neubiorev.2019.05.012] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 05/13/2019] [Accepted: 05/14/2019] [Indexed: 02/06/2023]
Abstract
Traumatic brain injury (TBI) is a devastating condition which often initiates a sequel of neurological disorders that can last throughout lifespan. From metabolic perspective, TBI also compromises systemic physiology including the function of body organs with subsequent malfunctions in metabolism. The emerging panorama is that the effects of TBI on the periphery strike back on the brain and exacerbate the overall TBI pathogenesis. An increasing number of clinical reports are alarming to show that metabolic dysfunction is associated with incidence of long-term neurological and psychiatric disorders. The autonomic nervous system, associated hypothalamic-pituitary axis, and the immune system are at the center of the interface between brain and body and are central to the regulation of overall homeostasis and disease. We review the strong association between mechanisms that regulate cell metabolism and inflammation which has important clinical implications for the communication between body and brain. We also discuss the integrative actions of lifestyle interventions such as diet and exercise on promoting brain and body health and cognition after TBI.
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Affiliation(s)
- Luiz Fernando Freire Royes
- Exercise Biochemistry Laboratory, Center of Physical Education and Sports, Federal University of Santa Maria - UFSM, Santa Maria, RS, Brazil
| | - Fernando Gomez-Pinilla
- Departments of Neurosurgery, and Integrative and Biology and Physiology, UCLA Brain Injury Research Center, University of California, Los Angeles, USA.
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Effects of a 15-amino-acid isoform of amyloid- β expressed by silkworm pupae on B6C3-Tg Alzheimer's disease transgenic mice. J Biotechnol 2019; 296:83-92. [PMID: 30898688 DOI: 10.1016/j.jbiotec.2019.03.013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Revised: 03/15/2019] [Accepted: 03/16/2019] [Indexed: 11/20/2022]
Abstract
Silkworms are an economically important insect.Silkworm pupae are also a nutrient-rich food and can be used as a pharmaceutical intermediate.The N-terminus of Aβ includes 1-15 amino acid residues with a B cell surface antigen that is necessary to produce antibody and prevent the adverse reactions observed in response to the full Aβ42 peptide. In this study, we used silkworm pupae to develop a safer vaccine for Alzheimer's disease (AD) patients. Aβ15 peptide was fused with the cholera toxin B subunit (CTB) and expressed in silkworm pupae. Then, we tested an oral vaccine with the peptide expressed by silkworm pupae in a transgenic mouse model of AD. The results show that anti-Aβ antibodies were induced, Aβ deposition in the brain decreased, the content of malondialdehyde was lower than in the other group, and memory and cognition of the mice improved. These results suggest that the high-nutrient CTB-Aβ15 silkworm pupa vaccine has a potential clinical application for the prevention of AD.
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Inoue T, Hashimoto M, Katakura M, Hossain S, Matsuzaki K, Shido O. Effect of chronic administration of arachidonic acid on the performance of learning and memory in aged rats. Food Nutr Res 2019; 63:1441. [PMID: 30941000 PMCID: PMC6436162 DOI: 10.29219/fnr.v63.1441] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Revised: 02/07/2019] [Accepted: 02/13/2019] [Indexed: 12/19/2022] Open
Abstract
Background Arachidonic acid (AA, C20:4, ω-6) is a ω-6 polyunsaturated fatty acid (PUFA) and plays diverse roles in cell signaling. Numerous reports on the effects of ω-3 PUFAs, such as docosahexaenoic acid (DHA, C22:6, ω-3) and eicosapentaenoic acid (EPA, C20:5, ω-3) on learning and memory impairments of rats are available, however, the role of AA on brain cognition is largely unknown. Objective In this study, our aim was to investigate the effect of oral administration of AA on spatial memory-related learning ability in aged (100 weeks) male rats. Design One group was per orally administered 240 mg/kg per day AA oil and the other group was administered the similar volume of control oil. Five weeks after the start of the administration, rats were tested with the partially baited eight-arm radial maze to evaluate two types of spatial memory-related learning ability displayed by reference memory errors (RMEs) and working memory errors (WMEs). Also, the time required to complete the task was recorded. The levels of lipid peroxide (LPO) and reactive oxygen species (ROS) were measured, as an indicator oxidative stress in the plasma and brain corticohippocampal brain tissues. Results The scores of RMEs and WMEs, which are analogous to long-term and short-term memory, respectively, were not affected, however, the trial time was shorter in the AA-administered rats than that of the controls. AA also significantly increased the degree of oxidative stress both in the plasma and corticohippocampal brain tissues. Conclusions Our results suggest that though AA deposition in the corticohippocampal tissues of senescent rats caused a faster performance activity, which is reminiscent to hyperactive behavior of animals, the spatial learning ability-related memory of the rats, however, was not improved.
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Affiliation(s)
- Takayuki Inoue
- Department of Environmental Physiology, Shimane University Faculty of Medicine, Izumo, Shimane, Japan
| | - Michio Hashimoto
- Department of Environmental Physiology, Shimane University Faculty of Medicine, Izumo, Shimane, Japan
| | - Masanori Katakura
- Department of Environmental Physiology, Shimane University Faculty of Medicine, Izumo, Shimane, Japan
| | - Shahdat Hossain
- Department of Environmental Physiology, Shimane University Faculty of Medicine, Izumo, Shimane, Japan.,Department of Biochemistry and Molecular Biology, Jahangirnagar University, Savar, Dhaka, Bangladesh
| | - Kentaro Matsuzaki
- Department of Environmental Physiology, Shimane University Faculty of Medicine, Izumo, Shimane, Japan
| | - Osamu Shido
- Department of Environmental Physiology, Shimane University Faculty of Medicine, Izumo, Shimane, Japan
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Qu Y, Chen X, Xu MM, Sun Q. Relationship between high dietary fat intake and Parkinson's disease risk: a meta-analysis. Neural Regen Res 2019; 14:2156-2163. [PMID: 31397355 PMCID: PMC6788237 DOI: 10.4103/1673-5374.262599] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
OBJECTIVE: To assess whether dietary fat intake influences Parkinson’s disease risk. DATA SOURCES: We systematically surveyed the Embase and PubMed databases, reviewing manuscripts published prior to October 2018. The following terms were used: (“Paralysis agitans” OR “Parkinson disease” OR “Parkinson” OR “Parkinson’s” OR “Parkinson’s disease”) AND (“fat” OR “dietary fat” OR “dietary fat intake”). DATA SELECTION: Included studies were those with both dietary fat intake and Parkinson’s disease risk as exposure factors. The Newcastle-Ottawa Scale was adapted to investigate the quality of included studies. Stata V12.0 software was used for statistical analysis. OUTCOME MEASURES: The primary outcomes included the relationship between high total energy intake, high total fat intake, and Parkinson’s disease risk. The secondary outcomes included the relationship between different kinds of fatty acids and Parkinson’s disease risk. RESULTS: Nine articles met the inclusion criteria and were incorporated into this meta-analysis. Four studies scored 7 and the other five studies scored 9 on the Newcastle-Ottawa Scale, meaning that all studies were of high quality. Meta-analysis results showed that high total energy intake was associated with an increased risk of Parkinson’s disease (P = 0.000, odds ratio (OR) = 1.49, 95% confidence interval (CI): 1.26–1.75); in contrast, high total fat intake was not associated with Parkinson’s disease risk (P = 0.123, OR = 1.07, 95% CI: 0.91–1.25). Subgroup analysis revealed that polyunsaturated fatty acid intake (P = 0.010, OR = 1.03, 95% CI: 0.88–1.20) reduced the risk of Parkinson’s disease, while arachidonic acid (P = 0.026, OR = 1.15, 95% CI: 0.97–1.37) and cholesterol (P = 0.002, OR = 1.09, 95% CI: 0.92–1.29) both increased the risk of Parkinson’s disease. Subgroup analysis also demonstrated that, although the results were not significant, consumption of n-3 polyunsaturated fatty acids (P = 0.071, OR = 0.88, 95% CI: 0.73–1.05), α-linolenic acid (P = 0.06, OR = 0.86, 95% CI: 0.72–1.02), and the n-3 to n-6 ratio (P = 0.458, OR = 0.89, 95% CI: 0.75–1.06) were all linked with a trend toward reduced Parkinson’s disease risk. Monounsaturated fatty acid (P = 0.450, OR = 1.06, 95% CI: 0.91–1.23), n-6 polyunsaturated fatty acids (P = 0.100, OR = 1.15, 95% CI: 0.96–1.36) and linoleic acid (P = 0.053, OR = 1.11, 95% CI: 0.94–1.32) intakes were associated with a non-significant trend toward higher PD risk. Saturated fatty acid (P = 0.619, OR = 1.01, 95% CI: 0.87–1.18) intake was not associated with Parkinson’s disease. CONCLUSION: Dietary fat intake affects Parkinson’s disease risk, although this depends on the fatty acid subtype. Higher intake of polyunsaturated fatty acids may reduce the risk of Parkinson’s disease, while higher cholesterol and arachidonic acid intakes may elevate Parkinson’s disease risk. However, further studies and evidence are needed to validate any link between dietary fat intake and Parkinson’s disease.
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Affiliation(s)
- Yan Qu
- Department of Physiology, School of Basic Medicine, Qingdao University, Qingdao, Shandong Province, China
| | - Xi Chen
- Department of Physiology, School of Basic Medicine, Qingdao University, Qingdao, Shandong Province, China
| | - Man-Man Xu
- Department of Physiology, School of Basic Medicine, Qingdao University, Qingdao, Shandong Province, China
| | - Qiang Sun
- Intensive Care Unit, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
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Liu YT, Cheng FY, Takeda S, Lai KM, Lin LC, Sakata R. Effects of porcine brain hydrolysate on impairment of cognitive learning ability in amyloid β (1-40) -infused rats. Anim Sci J 2018; 90:271-279. [PMID: 30565354 DOI: 10.1111/asj.13054] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Revised: 03/28/2018] [Accepted: 04/26/2018] [Indexed: 11/29/2022]
Abstract
This study assessed whether administering porcine brain hydrolysate (PBH) ameliorates the impairment of spatial cognition learning ability in amyloid β (Aβ)-infused rats. PBH was prepared using organic solvents (i.e., acetone and ethanol). Enzyme hydrolysates were derived from these PBH and the sequence of the Aβ peptide for infusion was selected. The results indicated the PBH, in particular EP (porcine brain extract with ethanol and protease N), demonstrated the potentials to reduce damage of neurodegenerative disorders in vitro and in vivo. The principal findings of this study indicate that PBH has prolyl endopeptidase inhibitory activity in vitro. Moreover, administering EP to Aβ(1-40)-infused rats significantly improves their performance on reference, spatial performance, and working memory tests during water maze tasks; concurrent proportional decreases are also observed in malondialdehyde levels, acetylcholinesterase (AChE) activity, and Aβ accumulation levels in brain tissues. The PBH was suggested to ameliorate learning deficits associated with Alzheimer's disease by inhibition of lipid peroxidation in the brain of Aβ infused rat.
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Affiliation(s)
- Yu-Tse Liu
- Department of Animal Science, National Chung Hsing University, Taichung, Taiwan
| | - Fu-Yuan Cheng
- Department of Hospitality Management, Toko University, Chiayi, Taiwan
| | - Shiro Takeda
- School of Veterinary Medicine, Azabu University, Sagamihara, Japan
| | - Kung-Ming Lai
- Department of Health Diet and Industrial Management, Chung Shan Medical University, Taichung, Taiwan
| | - Liang-Chuan Lin
- Department of Animal Science, National Chung Hsing University, Taichung, Taiwan
| | - Ryoichi Sakata
- School of Veterinary Medicine, Azabu University, Sagamihara, Japan
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A comparative study about EPA-PL and EPA-EE on ameliorating behavioral deficits in MPTP-induced mice with Parkinson’s disease by suppressing oxidative stress and apoptosis. J Funct Foods 2018. [DOI: 10.1016/j.jff.2018.09.027] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
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Nasehi M, Mosavi-Nezhad SM, Khakpai F, Zarrindast MR. The role of omega-3 on modulation of cognitive deficiency induced by REM sleep deprivation in rats. Behav Brain Res 2018; 351:152-160. [DOI: 10.1016/j.bbr.2018.06.002] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Revised: 06/01/2018] [Accepted: 06/01/2018] [Indexed: 01/01/2023]
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Inhibitory effect of the gut microbial linoleic acid metabolites, 10-oxo-trans-11-octadecenoic acid and 10-hydroxy-cis-12-octadecenoic acid, on BV-2 microglial cell activation. J Pharmacol Sci 2018; 138:9-15. [DOI: 10.1016/j.jphs.2018.06.015] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2018] [Revised: 06/19/2018] [Accepted: 06/21/2018] [Indexed: 01/18/2023] Open
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