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Kirchweger B, Zwirchmayr J, Grienke U, Rollinger JM. The role of Caenorhabditis elegans in the discovery of natural products for healthy aging. Nat Prod Rep 2023; 40:1849-1873. [PMID: 37585263 DOI: 10.1039/d3np00021d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/18/2023]
Abstract
Covering: 2012 to 2023The human population is aging. Thus, the greatest risk factor for numerous diseases, such as diabetes, cancer and neurodegenerative disorders, is increasing worldwide. Age-related diseases do not typically occur in isolation, but as a result of multi-factorial causes, which in turn require holistic approaches to identify and decipher the mode of action of potential remedies. With the advent of C. elegans as the primary model organism for aging, researchers now have a powerful in vivo tool for identifying and studying agents that effect lifespan and health span. Natural products have been focal research subjects in this respect. This review article covers key developments of the last decade (2012-2023) that have led to the discovery of natural products with healthy aging properties in C. elegans. We (i) discuss the state of knowledge on the effects of natural products on worm aging including methods, assays and involved pathways; (ii) analyze the literature on natural compounds in terms of their molecular properties and the translatability of effects on mammals; (iii) examine the literature on multi-component mixtures with special attention to the studied organisms, extraction methods and efforts regarding the characterization of their chemical composition and their bioactive components. (iv) We further propose to combine small in vivo model organisms such as C. elegans and sophisticated analytical approaches ("wormomics") to guide the way to dissect complex natural products with anti-aging properties.
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Affiliation(s)
- Benjamin Kirchweger
- Division of Pharmacognosy, Department of Pharmaceutical Sciences, University of Vienna, Josef-Holaubek-Platz 2, 1090 Vienna, Austria.
| | - Julia Zwirchmayr
- Division of Pharmacognosy, Department of Pharmaceutical Sciences, University of Vienna, Josef-Holaubek-Platz 2, 1090 Vienna, Austria.
| | - Ulrike Grienke
- Division of Pharmacognosy, Department of Pharmaceutical Sciences, University of Vienna, Josef-Holaubek-Platz 2, 1090 Vienna, Austria.
| | - Judith M Rollinger
- Division of Pharmacognosy, Department of Pharmaceutical Sciences, University of Vienna, Josef-Holaubek-Platz 2, 1090 Vienna, Austria.
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Preet G, Haj Hasan A, Ramlagan P, Fawdar S, Boulle F, Jaspars M. Anti-Neurodegenerating Activity: Structure-Activity Relationship Analysis of Flavonoids. Molecules 2023; 28:7188. [PMID: 37894669 PMCID: PMC10609304 DOI: 10.3390/molecules28207188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 10/16/2023] [Accepted: 10/17/2023] [Indexed: 10/29/2023] Open
Abstract
An anti-neurodegeneration activity study was carried out for 80 flavonoid compounds. The structure-activity analysis of the structures was carried out by performing three different anti-neurodegeneration screening tests, showing that in these structures, the presence of a hydroxy substituent group at position C3' as well as C5' of ring B and a methoxy substituent group at the C7 position of ring A play a vital role in neuroprotective and antioxidant as well as anti-inflammatory activity. Further, we found structure (5) was the top-performing active structure out of 80 structures. Subsequently, a molecular docking study was carried out for the 3 lead flavonoid compounds (4), (5), and (23) and 21 similar hypothetical proposed structures to estimate the binding strength between the tested compounds and proteins potentially involved in disease causation. Ligand-based pharmacophores were generated to guide future drug design studies.
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Affiliation(s)
- Gagan Preet
- Marine Biodiscovery Centre, Department of Chemistry, University of Aberdeen, Aberdeen AB24 3UE, UK; (G.P.); (A.H.H.)
| | - Ahlam Haj Hasan
- Marine Biodiscovery Centre, Department of Chemistry, University of Aberdeen, Aberdeen AB24 3UE, UK; (G.P.); (A.H.H.)
- Department of Medicinal Chemistry and Pharmacognosy, Faculty of Pharmacy, Jordan University of Science and Technology, Irbid 22110, Jordan
| | | | - Shameem Fawdar
- Axonova Ltd., Grand Port 51405, Mauritius; (P.R.); (S.F.); (F.B.)
| | - Fabien Boulle
- Axonova Ltd., Grand Port 51405, Mauritius; (P.R.); (S.F.); (F.B.)
| | - Marcel Jaspars
- Marine Biodiscovery Centre, Department of Chemistry, University of Aberdeen, Aberdeen AB24 3UE, UK; (G.P.); (A.H.H.)
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Napolitano G, Fasciolo G, Muscari Tomajoli MT, Venditti P. Changes in the Mitochondria in the Aging Process-Can α-Tocopherol Affect Them? Int J Mol Sci 2023; 24:12453. [PMID: 37569829 PMCID: PMC10419829 DOI: 10.3390/ijms241512453] [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: 06/30/2023] [Revised: 07/28/2023] [Accepted: 08/03/2023] [Indexed: 08/13/2023] Open
Abstract
Aerobic organisms use molecular oxygen in several reactions, including those in which the oxidation of substrate molecules is coupled to oxygen reduction to produce large amounts of metabolic energy. The utilization of oxygen is associated with the production of ROS, which can damage biological macromolecules but also act as signaling molecules, regulating numerous cellular processes. Mitochondria are the cellular sites where most of the metabolic energy is produced and perform numerous physiological functions by acting as regulatory hubs of cellular metabolism. They retain the remnants of their bacterial ancestors, including an independent genome that encodes part of their protein equipment; they have an accurate quality control system; and control of cellular functions also depends on communication with the nucleus. During aging, mitochondria can undergo dysfunctions, some of which are mediated by ROS. In this review, after a description of how aging affects the mitochondrial quality and quality control system and the involvement of mitochondria in inflammation, we report information on how vitamin E, the main fat-soluble antioxidant, can protect mitochondria from age-related changes. The information in this regard is scarce and limited to some tissues and some aspects of mitochondrial alterations in aging. Improving knowledge of the effects of vitamin E on aging is essential to defining an optimal strategy for healthy aging.
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Affiliation(s)
- Gaetana Napolitano
- Department of Science and Technology, University of Naples Parthenope, Via Acton n. 38, I-80133 Naples, Italy; (G.N.); (M.T.M.T.)
| | - Gianluca Fasciolo
- Department of Biology, University of Naples ‘Napoli Federico II’, Complesso Universitario di Monte Sant’Angelo, Via Cinthia, I-80126 Naples, Italy;
| | - Maria Teresa Muscari Tomajoli
- Department of Science and Technology, University of Naples Parthenope, Via Acton n. 38, I-80133 Naples, Italy; (G.N.); (M.T.M.T.)
| | - Paola Venditti
- Department of Biology, University of Naples ‘Napoli Federico II’, Complesso Universitario di Monte Sant’Angelo, Via Cinthia, I-80126 Naples, Italy;
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Oyeyinka BO, Afolayan AJ. Suitability of Banana and Plantain Fruits in Modulating Neurodegenerative Diseases: Implicating the In Vitro and In Vivo Evidence from Neuroactive Narratives of Constituent Biomolecules. Foods 2022; 11:foods11152263. [PMID: 35954031 PMCID: PMC9367880 DOI: 10.3390/foods11152263] [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: 11/20/2021] [Revised: 12/12/2021] [Accepted: 12/14/2021] [Indexed: 12/04/2022] Open
Abstract
Active principles in plant-based foods, especially staple fruits, such as bananas and plantains, possess inter-related anti-inflammatory, anti-apoptotic, antioxidative, and neuromodulatory activities. Neurodegenerative diseases affect the functionality of the central and peripheral nervous system, with attendant cognitive deficits being hallmarks of these conditions. The dietary constitution of a wide range of bioactive compounds identified in this review further iterates the significance of the banana and plantain in compromising, halting, or preventing the pathological mechanisms of neurological disorders. The neuroprotective mechanisms of these biomolecules have been identified by using protein expression regulation and specific gene/pathway targeting, such as the nuclear and tumor necrosis factors, extracellular signal-regulated and mitogen-activated protein kinases, activator protein-1, and the glial fibrillary acidic protein. This review establishes the potential double-edged neuro-pharmacological fingerprints of banana and plantain fruits in their traditionally consumed pulp and less utilized peel component for human nutrition.
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Zia Q, Rehman MT, Hashmi MA, Siddiqui S, Bin Dukhyil A, Ahmed MZ, Jamal A, Banawas S, Almalki SG, Owais M, Aldhafeeri HQ, Ibrahim IM, Alturaiki W, AlAjmi MF, Alsieni M, Alqurashi YE. Effect of Date Palm ( Phoenix dactylifera) Phytochemicals on Aβ 1-40 Amyloid Formation: An in-silico Analysis. Front Neurosci 2022; 16:915122. [PMID: 35958986 PMCID: PMC9359633 DOI: 10.3389/fnins.2022.915122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 06/23/2022] [Indexed: 11/13/2022] Open
Abstract
Alzheimer's disease (AD) is a neurodegenerative disease and the most prevalent form of dementia. The generation of oxygen free radicals and oxidative damage is believed to be involved in the pathogenesis of AD. It has been suggested that date palm, a plant rich in phenolic compounds and flavonoids, can provide an alternative treatment to fight memory loss and cognitive dysfunction due to its potent antioxidant activity. Thus, we studied the effect of flavonoids present in date palm on Aβ1-40 amyloid formation using molecular docking and molecular dynamics simulation. AutoDock. Myricetin was used as a positive control drug. The flavonoids Diosmetin, Luteolin, and Rutin were found to be potent inhibitors of aggregation (docking energies ≤ -8.05 kcal mol-1) targeting Aβ1-40 fibrils (both 2LMO and 6TI5), simultaneously. Further screening by physicochemical properties and drug-likeness analysis suggested that all flavonoids except Rutin followed Lipinski's rule of five. Rutin was, thus, taken as a negative control (due to its violation of Lipinski's rule) to compare its dynamics with Diosmetin. Diosmetin exhibited the highest positive scores for drug likeness. Since Luteolin exhibited moderate drug-likeness and better absorption properties, it was also included in molecular dynamics simulation. Molecular dynamics of shortlisted compounds (Rutin, Diosmetin, and Luteolin) were performed for 200 ns, and the results were analyzed by monitoring root mean square deviations (RMSD), root mean square fluctuation (RMSF) analysis, the radius of gyration (Rg), and solvent accessible surface area (SASA). The results proved the formation of a stable protein-compound complex. Based on binding energies and non-bonded interactions, Rutin and Luteolin emerged as better lead molecules than Diosmetin. However, high MW (610.5), lowest absorption rate (16.04%), and more than one violation of Lipinski's rule make Rutin a less likely candidate as an anti-amyloidogenic agent. Moreover, among non-violators of Lipinski's rule, Diosmetin exhibited a greater absorption rate than Luteolin as well as the highest positive scores for drug-likeness. Thus, we can conclude that Diosmetin and Luteolin may serve as a scaffold for the design of better inhibitors with higher affinities toward the target proteins. However, these results warrant in-vitro and in-vivo validation before practical use.
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Affiliation(s)
- Qamar Zia
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Majmaah University, Al Majmaah, Saudi Arabia
- Health and Basic Sciences Research Center, Majmaah University, Al Majmaah, Saudi Arabia
| | - Md Tabish Rehman
- Department of Pharmacognosy, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Md Amiruddin Hashmi
- Interdisciplinary Biotechnology Unit, Faculty of Life Sciences, Aligarh Muslim University, Aligarh, India
| | - Sahabjada Siddiqui
- Department of Biotechnology, Era's Lucknow Medical College and Hospital, Era University, Lucknow, India
| | - Abdulaziz Bin Dukhyil
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Majmaah University, Al Majmaah, Saudi Arabia
| | - Mohammad Z. Ahmed
- Department of Pharmacognosy, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Azfar Jamal
- Health and Basic Sciences Research Center, Majmaah University, Al Majmaah, Saudi Arabia
- Department of Biology, College of Science Al-Zulfi, Majmaah University, Majmaah, Saudi Arabia
| | - Saeed Banawas
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Majmaah University, Al Majmaah, Saudi Arabia
- Health and Basic Sciences Research Center, Majmaah University, Al Majmaah, Saudi Arabia
- Department of Biomedical Sciences, Oregon State University, Corvallis, OR, United States
| | - Sami G. Almalki
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Majmaah University, Al Majmaah, Saudi Arabia
| | - Mohammad Owais
- Interdisciplinary Biotechnology Unit, Faculty of Life Sciences, Aligarh Muslim University, Aligarh, India
| | - Hamad Qasem Aldhafeeri
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Majmaah University, Al Majmaah, Saudi Arabia
| | - Ibrahim M. Ibrahim
- Department of Pharmacology, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Wael Alturaiki
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Majmaah University, Al Majmaah, Saudi Arabia
| | - Mohamed F. AlAjmi
- Department of Pharmacognosy, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Mohammed Alsieni
- Department of Pharmacology, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Yaser E. Alqurashi
- Department of Biology, College of Science Al-Zulfi, Majmaah University, Majmaah, Saudi Arabia
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Satyam SM, Bairy LK. Neuronutraceuticals Combating Neuroinflammaging: Molecular Insights and Translational Challenges—A Systematic Review. Nutrients 2022; 14:nu14153029. [PMID: 35893883 PMCID: PMC9330442 DOI: 10.3390/nu14153029] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 07/19/2022] [Accepted: 07/20/2022] [Indexed: 11/16/2022] Open
Abstract
Neuropathologies, such as neuroinflammaging, have arisen as a serious concern for preserving the quality of life due to the global increase in neurodegenerative illnesses. Nowadays, neuronutraceuticals have gained remarkable attention. It is necessary to investigate the bioavailability, off-target effects, and mechanism of action of neuronutraceuticals. To comprehend the comprehensive impact on brain health, well-designed randomized controlled trials testing combinations of neuronutraceuticals are also necessary. Although there is a translational gap between basic and clinical research, the present knowledge of the molecular perspectives of neuroinflammaging and neuronutraceuticals may be able to slow down brain aging and to enhance cognitive performance. The present review also highlights the key emergent issues, such as regulatory and scientific concerns of neuronutraceuticals, including bioavailability, formulation, blood–brain permeability, safety, and efficacy.
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Par RYX, Teo CWL, Tan JJK, Ung YW, Heng KS, Hang LT, Yeo M, Yap WN. An open-label, single-arm pilot study of tocotrienols supplementation on improving memory and attention in healthy young adults. J Funct Foods 2022. [DOI: 10.1016/j.jff.2022.105055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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Bonyadi N, Dolatkhah N, Salekzamani Y, Hashemian M. Effect of berry-based supplements and foods on cognitive function: a systematic review. Sci Rep 2022; 12:3239. [PMID: 35217779 PMCID: PMC8881511 DOI: 10.1038/s41598-022-07302-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Accepted: 02/08/2022] [Indexed: 11/08/2022] Open
Abstract
In the current decade, a growing body of evidence has proposed the correlation between diet and cognitive function or dementia in the ageing population. This study was designed to appraise discoveries from the randomized controlled trials to confirm the effects of berry-based supplements or foods on cognitive function in older adults. PubMed/MEDLINE, Cochrane Central Register of Controlled Trials, Web of Science, Scopus, EMBASE, Google Scholar, and ProQuest as well as SID, Magiran, and Iranmedex electronic databases were explored for human interventional studies up to March 2021. In total, eleven articles were identified using frozen blueberry (n = 4 studies), blueberry concentrate (n = 2), beverage (n = 3), capsule (n = 1), extract and powder (n = 1). These studies had been performed among older people with no recognized cognitive impairment or mild cognitive impairment (MCI). The primary outcomes included global cognitive function, psychomotor function, learning and memory, working memory capacity, executive functions, and brain perfusion/activity. To our knowledge, this is the first systematic review of available clinical trials on the effects of berry-based supplements and foods on cognitive performances as well as brain perfusion parameters among the elderly with normal cognition or MCI. Existing evidence concludes that berry-based supplements and foods have beneficial effects on resting brain perfusion, cognitive function, memory performance, executive functioning, processing speed, and attention indices.
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Affiliation(s)
- Negar Bonyadi
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Neda Dolatkhah
- Physical Medicine and Rehabilitation Research Center, Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Yaghoub Salekzamani
- Physical Medicine and Rehabilitation Research Center, Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Maryam Hashemian
- Department of Biology, School of Arts and Sciences, Utica College, Utica, USA
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Agarwal P, Holland TM, James BD, Cherian LJ, Aggarwal NT, Leurgans SE, Bennett DA, Schneider JA. Pelargonidin and Berry Intake Association with Alzheimer's Disease Neuropathology: A Community-Based Study. J Alzheimers Dis 2022; 88:653-661. [PMID: 35694918 PMCID: PMC10903634 DOI: 10.3233/jad-215600] [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] [Indexed: 11/15/2022]
Abstract
BACKGROUND An anthocyanidin, pelargonidin, primarily found in berries, has antioxidant and anti-inflammatory properties, and is associated with better cognition and reduced Alzheimer's dementia risk. OBJECTIVE This study investigated if pelargonidin or berry intake is associated with Alzheimer's disease (AD) neuropathology in human brains. METHODS The study was conducted among 575 deceased participants (age at death = 91.3±6.1 years; 70% females) of the Rush Memory and Aging Project, with dietary data (assessed using a food frequency questionnaire) and neuropathological evaluations. Calorie-adjusted pelargonidin intake was modeled in quartiles and berry intake as continuous (servings/week). Mean amyloid-beta load and phosphorylated tau neuronal neurofibrillary tangle density across multiple cortical regions were assessed using immunohistochemistry. Global AD pathology burden, a quantitative summary score of neurofibrillary tangles, and diffuse and neuritic plaques using Bielschowsky silver stains in multiple brain regions, was also assessed. RESULTS In a linear regression model adjusted for age at death, sex, education, APOE ɛ4 status, vitamin E, and vitamin C, participants in the highest quartile of pelargonidin intake when compared to those in the lowest quartile, had less amyloid-β load (β (SE) = -0.293 (0.14), p = 0.038), and fewer phosphorylated tau tangles (β (SE) = -0.310, p = 0.051). Among APOE ɛ4 non-carriers, higher strawberry (β (SE) = -0.227 (0.11), p = 0.037) and pelargonidin (Q4 versus Q1: β (SE) = -0.401 (0.16), p = 0.011; p trend = 0.010) intake was associated with less phosphorylated tau tangles, no association was observed in APOE ɛ4 carriers. Berry intake was not associated with AD pathology. However, excluding participants with dementia or mild cognitive impairment at baseline, strawberry (p = 0.004) and pelargonidin (ptrend = 0.007) intake were associated with fewer phosphorylated tau tangles. CONCLUSION Higher intake of pelargonidin, a bioactive present in strawberries, is associated with less AD neuropathology, primarily phosphorylated tau tangles.
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Affiliation(s)
- Puja Agarwal
- Rush Alzheimer's Disease Center, Rush University Medical Center, Chicago, IL, USA
- Department of Internal Medicine, Rush University Medical Center, Chicago, IL, USA
- Department of Clinical Nutrition, Rush University Medical Center, Chicago, IL, USA
| | - Thomas M Holland
- Department of Internal Medicine, Rush University Medical Center, Chicago, IL, USA
- Rush Institute of Healthy Aging, Rush University Medical Center, Chicago, IL, USA
| | - Bryan D James
- Rush Alzheimer's Disease Center, Rush University Medical Center, Chicago, IL, USA
- Department of Internal Medicine, Rush University Medical Center, Chicago, IL, USA
| | - Laurel J Cherian
- Department of Neurological Sciences, Rush University Medical Center, Chicago, IL, USA
| | - Neelum T Aggarwal
- Rush Alzheimer's Disease Center, Rush University Medical Center, Chicago, IL, USA
- Department of Neurological Sciences, Rush University Medical Center, Chicago, IL, USA
| | - Sue E Leurgans
- Rush Alzheimer's Disease Center, Rush University Medical Center, Chicago, IL, USA
- Department of Neurological Sciences, Rush University Medical Center, Chicago, IL, USA
| | - David A Bennett
- Rush Alzheimer's Disease Center, Rush University Medical Center, Chicago, IL, USA
- Department of Neurological Sciences, Rush University Medical Center, Chicago, IL, USA
| | - Julie A Schneider
- Rush Alzheimer's Disease Center, Rush University Medical Center, Chicago, IL, USA
- Department of Neurological Sciences, Rush University Medical Center, Chicago, IL, USA
- Department of Pathology, Rush University Medical Center, Chicago, IL, USA
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de Leeuw FA, Honer WG, Schneider JA, Morris MC. Brain γ-Tocopherol Levels Are Associated with Presynaptic Protein Levels in Elderly Human Midfrontal Cortex. J Alzheimers Dis 2021; 77:619-627. [PMID: 32741813 PMCID: PMC7592653 DOI: 10.3233/jad-200166] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
BACKGROUND Higher vitamin E intake has been widely related to lower risks of cognitive decline and dementia. Animal models suggest that this relationship might be (partially) explained by the protection of vitamin E against presynaptic protein oxidation. OBJECTIVE In this cross-sectional study, we aimed to examine the associations between brain tocopherols and presynaptic protein levels in elderly humans. METHODS We examined associations of α- and γ-tocopherol brain levels with presynaptic protein levels in 113 deceased participants (age 88.5±6.0 years, 45 (40%) female) from the prospective Memory and Aging project. Three distinct presynaptic proteins, a SNARE protein composite, a synaptotagmin synaptophysin composite and the protein-protein interaction between synaptosomal-associated protein 25 (SNAP-25), and syntaxin were measured in two cortical brain regions. Linear regression models assessed associations of brain tocopherols with presynaptic protein levels. RESULTS Higher brain γ-tocopherol levels were associated with higher levels of the SNARE protein composite, complexin-I, complexin-II, the synaptotagmin synaptophysin composite, and septin-5 in the midfrontal cortex (B(SE) = 0.272 to 0.412 (0.084 to 0.091), p < 0.001 to 0.003). When additionally adjusted for global Alzheimer's disease pathology, cerebral infarcts, and Lewy body disease pathology, these associations remained largely similar. No associations were found between α-tocopherol and presynaptic protein levels. CONCLUSION In this cross-sectional study, we found higher brain γ-tocopherol levels were associated with presynaptic protein levels in the midfrontal cortex. These results are consistent with a proposed role of vitamin E to maintain presynaptic protein levels.
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Affiliation(s)
- Francisca A de Leeuw
- Alzheimer Center Amsterdam, Department of Neurology, Amsterdam Neuroscience, Vrije Universiteit Amsterdam, Amsterdam UMC, Amsterdam, The Netherlands
| | - William G Honer
- Department of Psychiatry, University of British Colombia, Vancouver, British Colombia, Canada
| | - Julie A Schneider
- Rush Alzheimer's Disease Center, Department of Neurological Sciences and Department of Pathology, Rush University Medical Center, Chicago, Illinois, USA
| | - Martha Clare Morris
- Rush Institute for Healthy Aging, Rush University Medical Center, Chicago, Illinois, USA
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11
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Regarding: Nutritional factors in sport-related concussion. Neurochirurgie 2021; 68:245-246. [PMID: 34171349 DOI: 10.1016/j.neuchi.2021.06.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 06/01/2021] [Accepted: 06/01/2021] [Indexed: 11/20/2022]
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12
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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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Sakurai K, Shen C, Ezaki Y, Inamura N, Fukushima Y, Masuoka N, Hisatsune T. Effects of Matcha Green Tea Powder on Cognitive Functions of Community-Dwelling Elderly Individuals. Nutrients 2020; 12:nu12123639. [PMID: 33256220 PMCID: PMC7760932 DOI: 10.3390/nu12123639] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 11/21/2020] [Accepted: 11/24/2020] [Indexed: 12/19/2022] Open
Abstract
Matcha Green Tea Powder contains a variety of active ingredients beneficial to health, such as tea catechins, lutein and vitamin K. It is also known that these ingredients confer benefits upon cognitive functions of elderly people. Therefore, we aimed to investigate the relationship between a daily supplementation of Matcha and the change in cognitive functions of community-dwelling elderly people. A randomized, double-blind, placebo-controlled 12-week trial was performed. Sixty-one participants were recruited and randomly assigned to receive test drink containing 3 g powder from fresh Matcha or placebo powder per day. Changes in cognitive function were assessed utilizing a psychometric test battery. Daily food intake was assessed by a Brief-type Self-administered Diet History Questionnaire (BDHQ). In the gender-specific analysis, a significant cognitive enhancement was observed in the Montreal Cognitive Assessment (MoCA) score in the active group of women. In dietary analysis, we found a significant inverse correlation between consumption of vitamin K in daily diet, excluding test drinks, and change in MoCA. The present study suggests that daily supplementation of Matcha Green Tea Powder has protective effects against cognitive decline in community-dwelling elderly women.
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Affiliation(s)
- Keisuke Sakurai
- Department of Integrated Biosciences, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa 277-8562, Japan; (K.S.); (C.S.); (Y.E.); (N.M.)
| | - Chutong Shen
- Department of Integrated Biosciences, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa 277-8562, Japan; (K.S.); (C.S.); (Y.E.); (N.M.)
| | - Yuri Ezaki
- Department of Integrated Biosciences, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa 277-8562, Japan; (K.S.); (C.S.); (Y.E.); (N.M.)
| | - Noriko Inamura
- Community Health Promotion Laboratory, Mitsui Fudosan, Co., Ltd., Kashiwa 277-8519, Japan;
- Urban Design Center Kashiwanoha (UDCK), Kashiwa 277-0871, Japan
| | - Yoichi Fukushima
- Marketing & Communications Division, Nestle Japan Ltd., Tokyo 140-0002, Japan;
| | - Nobutaka Masuoka
- Department of Integrated Biosciences, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa 277-8562, Japan; (K.S.); (C.S.); (Y.E.); (N.M.)
| | - Tatsuhiro Hisatsune
- Department of Integrated Biosciences, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa 277-8562, Japan; (K.S.); (C.S.); (Y.E.); (N.M.)
- Correspondence: ; Tel.: +81-4-7136-3632
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Agarwal P, Morris MC, Barnes LL. Racial Differences in Dietary Relations to Cognitive Decline and Alzheimer's Disease Risk: Do We Know Enough? Front Hum Neurosci 2020; 14:359. [PMID: 33100990 PMCID: PMC7497764 DOI: 10.3389/fnhum.2020.00359] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Accepted: 08/06/2020] [Indexed: 01/08/2023] Open
Abstract
The elderly population in the US is increasing and projected to be 44% minority by 2060. African Americans and Hispanics are at increased risk of cognitive impairment and Alzheimer’s disease compared to non-Hispanic whites. These conditions are associated with many other adverse health outcomes, lower quality of life, and substantial economic burden. In the past few decades, diet has been identified as an important modifiable risk factor for cognitive decline and Alzheimer’s disease. Some studies report poor diet quality among African American and Hispanic older adult populations compared to their white counterparts. We have a limited understanding of how diet affects brain health in different racial-ethnic groups. One primary reason for our lack of knowledge is that most cohort studies are of majority non-Hispanic white participants. Moreover, those that do include minority participants do not publish their findings stratified by racial-ethnic groups, and likely have a less accurate measurement of dietary intake among minority groups. In this review, we summarize the current, albeit limited, literature on racial/ethnic differences in dietary relations to dementia outcomes. We will also discuss methodological issues in conducting nutrition studies in diverse cultures, and suggestions for future research directions. Overcoming the gaps will make it possible to make dietary recommendations for Alzheimer’s prevention that are more relevant for different racial/ethnic groups and set us on a faster track to reduce health disparities.
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Affiliation(s)
- Puja Agarwal
- Department of Internal Medicine, Rush Institute for Healthy Aging, Rush University Medical Center, Chicago, IL, United States
| | - Martha C Morris
- Department of Internal Medicine, Rush Institute for Healthy Aging, Rush University Medical Center, Chicago, IL, United States
| | - Lisa L Barnes
- Rush Alzheimer's Disease Center, Rush University Medical Center, Chicago, IL, United States.,Department of Neurological Sciences, Rush University Medical Center, Chicago, IL, United States
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15
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de Leeuw FA, Schneider JA, Agrawal S, Leurgans SE, Morris MC. Brain tocopherol levels are associated with lower activated microglia density in elderly human cortex. ALZHEIMER'S & DEMENTIA (NEW YORK, N. Y.) 2020; 6:e12021. [PMID: 32864412 PMCID: PMC7444784 DOI: 10.1002/trc2.12021] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Accepted: 02/17/2020] [Indexed: 11/24/2022]
Abstract
INTRODUCTION Higher brain tocopherol levels have been associated with lower levels of Alzheimer's disease (AD) neuropathology; however, the underlying mechanisms are unclear. METHODS We studied the relations of α- and γ-tocopherol brain levels to microglia density in 113 deceased participants from the Memory and Aging Project. We used linear regression analyses to examine associations between tocopherol levels and microglia densities in a basic model adjusted for age, sex, education, apolipoprotein E (APOE)ε4 genotype (any ε4 allele vs. none) , and post-mortem time interval, and a second model additionally adjusted for total amyloid load and neurofibrillary tangle severity. RESULTS Higher α- and γ-tocopherol levels were associated with lower total and activated microglia density in cortical but not in subcortical brain regions. The association between cortical α-tocopherol and total microglia density remained statistically significant after adjusting for AD neuropathology. DISCUSSION These results suggest that the relation between tocopherols and AD might be partly explained by the alleviating effects of tocopherols on microglia activation.
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Affiliation(s)
- Francisca A. de Leeuw
- Alzheimer Center AmsterdamDepartment of NeurologyAmsterdam NeuroscienceVrije Universiteit AmsterdamAmsterdam UMCAmsterdamThe Netherlands
| | - Julie A. Schneider
- Rush Alzheimer's Disease CenterDepartment of Neurological Sciences and Department of Pathology (Neuropathology)Rush University Medical CenterChicagoIllinois
| | - Sonal Agrawal
- Rush Alzheimer's Disease CenterDepartment of Pathology (Neuropathology)Rush University Medical CenterChicagoIllinois
| | - Sue E. Leurgans
- Rush Alzheimer's Disease Center and Department of Neurological SciencesRush University Medical CenterChicagoIllinois
| | - Martha Clare Morris
- Rush Institute for Healthy AgingRush University Medical CenterChicagoIllinois
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16
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Protective action of Grewia asiatica (phalsa) berries against scopolamine-induced deficit in learning and memory using behavior paradigms in rats. ADVANCES IN TRADITIONAL MEDICINE 2020. [DOI: 10.1007/s13596-019-00376-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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17
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Agarwal P, Wang Y, Buchman AS, Holland TM, Bennett DA, Morris MC. Dietary antioxidants associated with slower progression of parkinsonian signs in older adults. Nutr Neurosci 2020; 25:550-557. [PMID: 32441566 DOI: 10.1080/1028415x.2020.1769411] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Background and Objective: Progressive loss of motor function including parkinsonian signs is common in older adults. As diet may contribute to the motor decline, we tested the hypothesis that dietary intake of antioxidant nutrients (carotenoids, vitamin E and vitamin C) is related to the progression of parkinsonian signs in older adults.Research Design and Methods: A total of 682 participants without a clinical diagnosis of Parkinson's Disease from the Rush Memory and Aging Project, were assessed annually over an average of 5.7 (±3.0) years using a 26-item modified version of the United Parkinson's Disease Rating Scale. The scale assesses the severity of four parkinsonian signs (bradykinesia, gait, tremors, and rigidity) that were averaged to construct a global parkinsonian sign score. Nutrient intakes were assessed at baseline using a validated food frequency questionnaire. The associations between quintiles of antioxidant nutrient intakes and progression of parkinsonian signs were assessed using mixed effects models adjusted for age, sex, education, smoking.Results: In separate adjusted models, a slower rate of progressive parkinsonian signs was observed among those in the highest intake quintiles of total carotenoids (β= -0.06, 95%CI: -0.10 to -0.02,), beta-carotene from foods (β= -0.04, 95% CI:-0.08 to -0.0021), lutein-zeaxanthin (β= -0.05, 95%CI:-0.09 to -0.02), vitamin E from foods (β= -0.04, 95%CI:-0.08 to -0.01,) and vitamin C from foods (β= -0.06, 95%CI:-0.10 to -0.02), when compared to those in the lowest quintiles of intake.Conclusion: A higher level of dietary antioxidant nutrients may slow the rate of parkinsonian sign progression in older adults.
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Affiliation(s)
- Puja Agarwal
- Department of Internal Medicine, Rush University Medical Center, Chicago, IL, USA
| | - Yamin Wang
- Department of Internal Medicine, Rush University Medical Center, Chicago, IL, USA
| | - Aron S Buchman
- Rush Alzheimer's Disease Center and Department of Neurological Sciences, Rush University Medical Center, Chicago, IL, USA
| | - Thomas M Holland
- Department of Internal Medicine, Rush University Medical Center, Chicago, IL, USA
| | - David A Bennett
- Rush Alzheimer's Disease Center and Department of Neurological Sciences, Rush University Medical Center, Chicago, IL, USA
| | - Martha C Morris
- Department of Internal Medicine, Rush University Medical Center, Chicago, IL, USA
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18
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Rutledge GA, Fisher DR, Miller MG, Kelly ME, Bielinski DF, Shukitt-Hale B. The effects of blueberry and strawberry serum metabolites on age-related oxidative and inflammatory signaling in vitro. Food Funct 2020; 10:7707-7713. [PMID: 31746877 DOI: 10.1039/c9fo01913h] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Berry fruits contain a variety of bioactive polyphenolic compounds that exhibit potent antioxidant and anti-inflammatory activities. We have shown that consumption of freeze-dried whole berry powder, equivalent to 1 cup per day of blueberry (BB) or 2 cups per day of strawberry (SB), can differentially improve some aspects of cognition in healthy, older adults, compared to placebo-supplemented controls. We investigated whether fasting and postprandial serum from BB- or SB-supplemented older adults (60-75 years), taken at baseline or after 45 or 90 days of supplementation, would reduce the production of inflammatory and oxidative stress markers compared to serum from a placebo group, in LPS-stressed HAPI rat microglial cells, in vitro. Serum from both BB- and SB-supplemented participants reduced nitrite production, iNOS and COX-2 expression, and TNF-alpha release relative to serum from placebo controls (p < 0.05). Protection was greatest with serum from the 90-day time-point, suggesting that ongoing supplementation may provide the most health benefits. Serum was protective in both fasted and postprandial conditions, indicating that the effects are not only acute and that the meal did not challenge subjects' ability to regulate oxidative and inflammatory stress. These results suggest that berry metabolites, present in the circulating blood following ingestion, may be mediating the anti-inflammatory effects of dietary berry fruit.
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Affiliation(s)
- Grant A Rutledge
- USDA-ARS, Human Nutrition Research Center on Aging at Tufts University, Boston, MA, USA.
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Uddin MS, Kabir MT, Niaz K, Jeandet P, Clément C, Mathew B, Rauf A, Rengasamy KR, Sobarzo-Sánchez E, Ashraf GM, Aleya L. Molecular Insight into the Therapeutic Promise of Flavonoids against Alzheimer's Disease. Molecules 2020; 25:molecules25061267. [PMID: 32168835 PMCID: PMC7143946 DOI: 10.3390/molecules25061267] [Citation(s) in RCA: 74] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Revised: 03/05/2020] [Accepted: 03/10/2020] [Indexed: 12/12/2022] Open
Abstract
Alzheimer’s disease (AD) is one of the utmost chronic neurodegenerative disorders, which is characterized from a neuropathological point of view by the aggregates of amyloid beta (Aβ) peptides that are deposited as senile plaques and tau proteins which form neurofibrillary tangles (NFTs). Even though advancement has been observed in order to understand AD pathogenesis, currently available therapeutic methods can only deliver modest symptomatic relief. Interestingly, naturally occurring dietary flavonoids have gained substantial attention due to their antioxidative, anti-inflammatory, and anti-amyloidogenic properties as alternative candidates for AD therapy. Experimental proof provides support to the idea that some flavonoids might protect AD by interfering with the production and aggregation of Aβ peptides and/or decreasing the aggregation of tau. Flavonoids have the ability to promote clearance of Aβ peptides and inhibit tau phosphorylation by the mTOR/autophagy signaling pathway. Moreover, due to their cholinesterase inhibitory potential, flavonoids can represent promising symptomatic anti-Alzheimer agents. Several processes have been suggested for the aptitude of flavonoids to slow down the advancement or to avert the onset of Alzheimer’s pathogenesis. To enhance cognitive performance and to prevent the onset and progress of AD, the interaction of flavonoids with various signaling pathways is proposed to exert their therapeutic potential. Therefore, this review elaborates on the probable therapeutic approaches of flavonoids aimed at averting or slowing the progression of the AD pathogenesis.
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Affiliation(s)
- Md. Sahab Uddin
- Department of Pharmacy, Southeast University, Dhaka 1213, Bangladesh
- Pharmakon Neuroscience Research Network, Dhaka 1207, Bangladesh
- Correspondence: or (M.S.U.); (P.J.); Tel.: +880-1710220110 (M.S.U.); +33-3-26913-341 (P.J.)
| | | | - Kamal Niaz
- Department of Pharmacology and Toxicology, Faculty of Bio-Sciences, Cholistan University of Veterinary and Animal Sciences (CUVAS), Bahawalpur 63100, Pakistan
| | - Philippe Jeandet
- Research Unit, Induced Resistance and Plant Bioprotection, EA 4707, SFR Condorcet FR CNRS 3417, Faculty of Sciences, University of Reims Champagne-Ardenne, PO Box 1039, 51687 Reims CEDEX 2, France
- Correspondence: or (M.S.U.); (P.J.); Tel.: +880-1710220110 (M.S.U.); +33-3-26913-341 (P.J.)
| | - Christophe Clément
- Research Unit, Induced Resistance and Plant Bioprotection, EA 4707, SFR Condorcet FR CNRS 3417, Faculty of Sciences, University of Reims Champagne-Ardenne, PO Box 1039, 51687 Reims CEDEX 2, France
| | - Bijo Mathew
- Division of Drug Design and Medicinal Chemistry Research Lab, Department of Pharmaceutical Chemistry, Ahalia School of Pharmacy, Palakkad, Kerala 678557, India
| | - Abdur Rauf
- Department of Chemistry, University of Swabi, Anbar 23561, Khyber Pakhtunkhwa, Pakistan
| | | | - Eduardo Sobarzo-Sánchez
- Instituto de Investigación e Innovación en Salud, Facultad de Ciencias de la Salud, Universidad Central de Chile, Santiago 8330507, Chile
- Department of Organic Chemistry, Faculty of Pharmacy, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Ghulam Md Ashraf
- King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Lotfi Aleya
- Chrono-Environnement Laboratory, UMR CNRS 6249, Bourgogne Franche-Comté University, F-25030 Besançon, France
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20
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Kim D, Kim YHB, Ham JS, Lee SK, Jang A. Pig Skin Gelatin Hydrolysates Attenuate Acetylcholine Esterase Activity and Scopolamine-induced Impairment of Memory and Learning Ability of Mice. Food Sci Anim Resour 2020; 40:183-196. [PMID: 32161914 PMCID: PMC7057036 DOI: 10.5851/kosfa.2020.e3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 12/13/2019] [Accepted: 12/24/2019] [Indexed: 01/21/2023] Open
Abstract
The protective effect of pig skin gelatin water extracts (PSW) and the low
molecular weight hydrolysates of PSW generated via enzymatic hydrolysis with
Flavourzyme® 1000L (LPSW) against scopolamine-induced impairment of
cognitive function in mice was determined. Seventy male ICR mice weighing
20–25 g were randomly assigned to seven groups: Control (CON);
scopolamine (SCO, 1 mg/kg B.W., intraperitoneally (i.p.);
tetrahydroaminoacridine 10 [THA 10, tacrine; 10 mg/kg B.W. per oral (p.o.) with
SCO (i.p.)]; PSW 10 (10 mg/kg B.W. (p.o.) with SCO (i.p.); PSW 40 (40 mg/kg B.W.
(p.o.) with SCO (i.p.); LPSW 100 (100 mg/kg B.W. (p.o.) with SCO (i.p.); LPSW
400 (400 mg/kg B.W. (p.o.) with SCO (i.p.). All treatment groups, except CON,
received scopolamine on the day of the experiment. The oxygen radical absorbance
capacity of LPSW 400 at 1 mg/mL was 154.14 μM Trolox equivalent.
Administration of PSW and LPSW for 15 weeks did not significantly affect on
physical performance of mice. LPSW 400 significantly increased spontaneous
alternation, reaching the level observed for THA and CON. The latency time of
animals receiving LPSW 400 was higher than that of mice treated with SCO alone
in the passive avoidance test, whereas it was shorter in the water maze test.
LPSW 400 increased acetylcholine (ACh) content and decreased ACh esterase
activity (p<0.05). LPSW 100 and LPSW 400 reduced monoamine oxidase-B
activity. These results indicated that LPSW at 400 mg/kg B.W. is a potentially
strong antioxidant and contains novel components for the functional food
industry.
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Affiliation(s)
- Dongwook Kim
- Department of Applied Animal Science, BK21 Plus Program, Kangwon National University, Chuncheon 24341, Korea
| | - Yuan H Brad Kim
- Department of Animal Sciences, Purdue University, West Lafayette, IN 47907, USA
| | - Jun-Sang Ham
- Animal Products and Utilization Division, National Institute of Animal Science, RDA, Wanju 55365, Korea
| | - Sung Ki Lee
- Department of Applied Animal Science, BK21 Plus Program, Kangwon National University, Chuncheon 24341, Korea
| | - Aera Jang
- Department of Applied Animal Science, BK21 Plus Program, Kangwon National University, Chuncheon 24341, Korea
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Chai SC, Jerusik J, Davis K, Wright RS, Zhang Z. Effect of Montmorency tart cherry juice on cognitive performance in older adults: a randomized controlled trial. Food Funct 2020; 10:4423-4431. [PMID: 31287117 DOI: 10.1039/c9fo00913b] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Hypertension, inflammation and oxidative stress are important factors in the development of cognitive impairment. Our previous study demonstrated that tart cherry juice can lower systolic blood pressure (BP) and improve inflammatory and oxidative stress status in older adults. As part of our previous trial, we explored whether daily consumption of tart cherry juice would improve cognitive abilities. In this randomized controlled trial, 37 adults between the ages of 65-80 with normal cognitive function were recruited and randomly assigned to consume two cups of Montmorency tart cherry juice for 12 weeks. Subjective memory and objective cognitive performance were assessed at baseline and after the 12-week juice supplementation using a validated subjective memory questionnaire and a standardized battery of tests. Daily caloric intake and physical activity levels were assessed throughout the study period. After the intervention, participants in the tart cherry group had higher contentment with memory scores (mean difference of 2.7; 95% CI: 1.2 to 4.2; p = 0.02), lowered their scores of movement time (mean difference of -10.4; 95% CI: -13.4 to -7.5; p = 0.03) as well as performed better on the paired associates learning task (mean difference of -8.5; 95% CI: -12.5 to -4.5; p = 0.02) compared to the control group. The within-group analysis showed that the visual sustained attention (p < 0.0001) and spatial working memory (p = 0.06) improved after the 12-week consumption of tart cherry juice compared with corresponding baseline values. Daily tart cherry juice consumption may improve cognitive abilities. This may be through anti-oxidative and anti-inflammatory properties of tart cherry and its ability to lower BP. Further research is needed to confirm these findings.
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Affiliation(s)
- Sheau C Chai
- Department of Behavioral Health and Nutrition, College of Health Sciences, University of Delaware, Newark, DE 19716, USA.
| | - Jessica Jerusik
- Department of Behavioral Health and Nutrition, College of Health Sciences, University of Delaware, Newark, DE 19716, USA.
| | - Kristina Davis
- Department of Behavioral Health and Nutrition, College of Health Sciences, University of Delaware, Newark, DE 19716, USA.
| | - Regina S Wright
- School of Nursing, College of Health Sciences, University of Delaware, Newark, DE 19716, USA
| | - Zugui Zhang
- Value Institute, Christiana Care Health System, Newark, DE 19718, USA
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Fatima A, Siddique YH. Role of Flavonoids in Neurodegenerative Disorders with Special Emphasis on Tangeritin. CNS & NEUROLOGICAL DISORDERS-DRUG TARGETS 2019; 18:581-597. [DOI: 10.2174/1871527318666190916141934] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2019] [Revised: 06/12/2019] [Accepted: 07/09/2019] [Indexed: 02/07/2023]
Abstract
Flavonoids are naturally occurring plant polyphenols found universally in all fruits, vegetables
and medicinal plants. They have emerged as a promising candidate in the formulation of treatment
strategies for various neurodegenerative disorders. The use of flavonoid rich plant extracts and
food in dietary supplementation have shown favourable outcomes. The present review describes the
types, properties and metabolism of flavonoids. Neuroprotective role of various flavonoids and the
possible mechanism of action in the brain against the neurodegeneration have been described in detail
with special emphasis on the tangeritin.
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Affiliation(s)
- Ambreen Fatima
- Drosophila Transgenic Laboratory, Section of Genetics, Department of Zoology, Faculty of Life Sciences, Aligarh Muslim University, Aligarh, India
| | - Yasir Hasan Siddique
- Drosophila Transgenic Laboratory, Section of Genetics, Department of Zoology, Faculty of Life Sciences, Aligarh Muslim University, Aligarh, India
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Association of Strawberries and Anthocyanidin Intake with Alzheimer's Dementia Risk. Nutrients 2019; 11:nu11123060. [PMID: 31847371 PMCID: PMC6950087 DOI: 10.3390/nu11123060] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 12/10/2019] [Accepted: 12/12/2019] [Indexed: 12/14/2022] Open
Abstract
Background: Strawberries have been identified to have antioxidant and anti-inflammatory properties that improve neuronal function and cognition, mostly in animal studies. It is unknown if the consumption of strawberries or related bioactives may reduce the risk of Alzheimer’s dementia risk. Material and Methods: The study was conducted in 925 participants, aged 58–98 years of the Rush Memory and Aging Project. Participants were dementia-free at baseline, completed a food frequency questionnaire, and had at least two annual neurological evaluations. The diagnosis of Alzheimer’s dementia was based on structured clinical neurological examination and standardized diagnostic criteria. The association of strawberry intake and incident Alzheimer’s dementia was analyzed using proportional hazard models adjusted for age, sex, education, physical activity, participation in cognitive activities, APOE-ɛ4 genotype, dietary intake of other fruits, and total calorie intake. Results: A total of 245 participants developed Alzheimer’s dementia over the mean follow-up of 6.7 (±3.6) years. Higher strawberry intake was associated with reduced risk of Alzheimer’s dementia (HR = 0.76, 95% CI: 0.60–0.96). In separate adjusted models, highest vs. lowest quartile intakes of Vitamin C (HR = 0.64, 95% CI: 0.45, 0.92), Pelargonidin (0.63, 95% CI: 0.43, 0.92), total anthocyanidins (0.69, 95% CI: 0.48, 0.99), and total flavonoids (0.67, 95% CI: 0.46, 0.98) were each associated with lower Alzheimer’s dementia risk. These associations remained after further adjustment for cardiovascular conditions. Conclusion: Consumption of strawberries and foods rich in vitamin C, pelargonidin, anthocyanidins, and total flavonoids may reduce the risk of Alzheimer’s dementia.
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Abdul Rahim R, Jayusman PA, Muhammad N, Ahmad F, Mokhtar N, Naina Mohamed I, Mohamed N, Shuid AN. Recent Advances in Nanoencapsulation Systems Using PLGA of Bioactive Phenolics for Protection against Chronic Diseases. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:E4962. [PMID: 31817699 PMCID: PMC6950714 DOI: 10.3390/ijerph16244962] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 12/03/2019] [Accepted: 12/04/2019] [Indexed: 12/12/2022]
Abstract
Plant-derived polyphenolic compounds have gained widespread recognition as remarkable nutraceuticals for the prevention and treatment of various disorders, such as cardiovascular, neurodegenerative, diabetes, osteoporosis, and neoplastic diseases. Evidence from the epidemiological studies has suggested the association between long-term consumption of diets rich in polyphenols and protection against chronic diseases. Nevertheless, the applications of these phytochemicals are limited due to its low solubility, low bioavailability, instability, and degradability by in vivo and in vitro conditions. Therefore, in recent years, newer approaches have been attempted to solve the restrictions related to their delivery system. Nanoencapsulation of phenolic compounds with biopolymeric nanoparticles could be a promising strategy for protection and effective delivery of phenolics. Poly(lactic-co-glycolic acid) (PLGA) is one of the most successfully developed biodegradable polymers that has attracted considerable attention due to its attractive properties. In this review, our main goal is to cover the relevant recent studies that explore the pharmaceutical significance and therapeutic superiority of the advance delivery systems of phenolic compounds using PLGA-based nanoparticles. A summary of the recent studies implementing encapsulation techniques applied to polyphenolic compounds from plants confirmed that nanoencapsulation with PLGA nanoparticles is a promising approach to potentialize their therapeutic activity.
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Affiliation(s)
- Rohanizah Abdul Rahim
- Pharmacology Department, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, 56000 Kuala Lumpur, Malaysia; (R.A.R.); (P.A.J.); (N.M.); (I.N.M.)
- Advanced Medical and Dental Institute, Universiti Sains Malaysia, Bertam, 13200 Kepala Batas, Pulau Pinang, Malaysia
| | - Putri Ayu Jayusman
- Pharmacology Department, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, 56000 Kuala Lumpur, Malaysia; (R.A.R.); (P.A.J.); (N.M.); (I.N.M.)
| | - Norliza Muhammad
- Pharmacology Department, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, 56000 Kuala Lumpur, Malaysia; (R.A.R.); (P.A.J.); (N.M.); (I.N.M.)
| | - Fairus Ahmad
- Anatomy Department, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, 56000 Kuala Lumpur, Malaysia;
| | - Norfilza Mokhtar
- Physiology Department, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, 56000 Kuala Lumpur, Malaysia;
| | - Isa Naina Mohamed
- Pharmacology Department, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, 56000 Kuala Lumpur, Malaysia; (R.A.R.); (P.A.J.); (N.M.); (I.N.M.)
| | - Norazlina Mohamed
- Pharmacology Department, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, 56000 Kuala Lumpur, Malaysia; (R.A.R.); (P.A.J.); (N.M.); (I.N.M.)
| | - Ahmad Nazrun Shuid
- Pharmacology Department, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, 56000 Kuala Lumpur, Malaysia; (R.A.R.); (P.A.J.); (N.M.); (I.N.M.)
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Challenges on the processing of plant-based neuronutraceuticals and functional foods with emerging technologies: Extraction, encapsulation and therapeutic applications. Trends Food Sci Technol 2019. [DOI: 10.1016/j.tifs.2019.07.019] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Lee JE, Kim YJ, Park HJ, Park S, Kim H, Kwon O. Association of recommended food score with depression, anxiety, and quality of life in Korean adults: the 2014-2015 National Fitness Award Project. BMC Public Health 2019; 19:956. [PMID: 31315605 PMCID: PMC6637724 DOI: 10.1186/s12889-019-7298-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Accepted: 07/10/2019] [Indexed: 01/28/2023] Open
Abstract
BACKGROUND A healthy diet is a key determinant of an individual's health status and is closely related to mental health and quality of life (QoL); however, the exact nature of the relationship is unknown. This study hypothesized that a higher diet quality score is associated with a lower observance of symptoms of depression and anxiety and a higher QoL. METHODS This study evaluated 1,295 adults (521 men; 774 women) aged 19-64 years, who participated in the 2014-2015 National Fitness Award Project. Diet quality was measured by the recommended food score (RFS), and mental health and QoL were assessed by the beck depression inventory (BDI), beck anxiety inventory (BAI), and the World Health Organization QoL-Brief (WHOQoL-BREF). RESULTS After adjusting for covariates, the individuals with depression had a significantly lower RFS value compared to those without depression, and the group with a QoL score above the median had a higher RFS value than the group with a QoL score below the median. These trends occurred in both men and women. Subjects in the highest tertile of RFS showed a lower odds of depression (OR = 0.51, 95% CI = 0.32-0.81, p-trend = 0.0043) and a QoL score below the median (OR = 0.40, 95% CI = 0.30-0.54, p-trend < 0.0001) compared with those in the lowest tertile. The RFS was not associated with anxiety. CONCLUSIONS Our data suggest that higher diet quality may be associated with lower depressive symptoms and a better QoL in Korean adults.
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Affiliation(s)
- Jo-Eun Lee
- Department of Clinical Nutrition Science, The Graduate School of Clinical Health Sciences, Ewha Womans University, Seoul, Republic of Korea
| | - You Jin Kim
- Department of Nutritional Science and Food Management, Ewha Womans University, 52, Ewhayeodae-gil, Seodaemun-gu, Seoul, 03760 Republic of Korea
| | - Hee Jung Park
- Department of Food and Nutrition, Yuhan University, Bucheon, Republic of Korea
| | - Saejong Park
- Department of Sport Science, Korea Institute of Sport Science, Seoul, Republic of Korea
| | - Hyesook Kim
- Department of Nutritional Science and Food Management, Ewha Womans University, 52, Ewhayeodae-gil, Seodaemun-gu, Seoul, 03760 Republic of Korea
| | - Oran Kwon
- Department of Clinical Nutrition Science, The Graduate School of Clinical Health Sciences, Ewha Womans University, Seoul, Republic of Korea
- Department of Nutritional Science and Food Management, Ewha Womans University, 52, Ewhayeodae-gil, Seodaemun-gu, Seoul, 03760 Republic of Korea
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Ayaz M, Sadiq A, Junaid M, Ullah F, Ovais M, Ullah I, Ahmed J, Shahid M. Flavonoids as Prospective Neuroprotectants and Their Therapeutic Propensity in Aging Associated Neurological Disorders. Front Aging Neurosci 2019; 11:155. [PMID: 31293414 PMCID: PMC6606780 DOI: 10.3389/fnagi.2019.00155] [Citation(s) in RCA: 178] [Impact Index Per Article: 35.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Accepted: 06/11/2019] [Indexed: 01/13/2023] Open
Abstract
Modern research has revealed that dietary consumption of flavonoids and flavonoids-rich foods significantly improve cognitive capabilities, inhibit or delay the senescence process and related neurodegenerative disorders including Alzheimer’s disease (AD). The flavonoids rich foods such as green tea, cocoa, blue berry and other foods improve the various states of cognitive dysfunction, AD and dementia-like pathological alterations in different animal models. The mechanisms of flavonoids have been shown to be mediated through the inhibition of cholinesterases including acetylcholinesterase (AChE), and butyrylcholinesterase (BChE), β-secretase (BACE1), free radicals and modulation of signaling pathways, that are implicated in cognitive and neuroprotective functions. Flavonoids interact with various signaling protein pathways like ERK and PI3-kinase/Akt and modulate their actions, thereby leading to beneficial neuroprotective effects. Moreover, they enhance vascular blood flow and instigate neurogenesis particularly in the hippocampus. Flavonoids also hamper the progression of pathological symptoms of neurodegenerative diseases by inhibiting neuronal apoptosis induced by neurotoxic substances including free radicals and β-amyloid proteins (Aβ). All these protective mechanisms contribute to the maintenance of number, quality of neurons and their synaptic connectivity in the brain. Thus flavonoids can thwart the progression of age-related disorders and can be a potential source for the design and development of new drugs effective in cognitive disorders.
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Affiliation(s)
- Muhammad Ayaz
- Department of Pharmacy, University of Malakand, Chakdara, Pakistan
| | - Abdul Sadiq
- Department of Pharmacy, University of Malakand, Chakdara, Pakistan
| | - Muhammad Junaid
- Department of Pharmacy, University of Malakand, Chakdara, Pakistan.,Department of Pharmacy, University of Swabi, Swabi, Pakistan
| | - Farhat Ullah
- Department of Pharmacy, University of Malakand, Chakdara, Pakistan
| | - Muhammad Ovais
- University of Chinese Academy of Sciences, Beijing, China.,Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, China
| | - Ikram Ullah
- Suliman Bin Abdullah Aba-Alkhail Centre for Interdisciplinary Research in Basic Sciences, International Islamic University Islamabad, Islamabad, Pakistan
| | - Jawad Ahmed
- Institute of Basic Medical Sciences (IBMS), Khyber Medical University, Peshawar, Pakistan
| | - Muhammad Shahid
- Department of Pharmacy, Sarhad University of Science and Information Technology (SUIT), Peshawar, Pakistan
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Medina dos Santos N, Berilli Batista P, Batista ÂG, Maróstica Júnior MR. Current evidence on cognitive improvement and neuroprotection promoted by anthocyanins. Curr Opin Food Sci 2019. [DOI: 10.1016/j.cofs.2019.03.008] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Onaolapo AY, Obelawo AY, Onaolapo OJ. Brain Ageing, Cognition and Diet: A Review of the Emerging Roles of Food-Based Nootropics in Mitigating Age-related Memory Decline. Curr Aging Sci 2019; 12:2-14. [PMID: 30864515 PMCID: PMC6971896 DOI: 10.2174/1874609812666190311160754] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 02/16/2019] [Accepted: 02/27/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND Age-related cognitive decline has been suggested to result from an increase in the brain neuron loss, which is attributable to continued derangement of the brain's oxidant/ antioxidant balance. Increased oxidative stress and a concomitant decrease in the brain's antioxidant defense system have been associated with functional senescence and organismal ageing. However, nature has configured certain foods to be rich sources of nootropic agents, with research showing that increased consumption of such foods or food ingredients may be protective against ageing-related memory decline. This knowledge is becoming increasingly valuable in an era when the boundary that separates food from medicine is becoming blurred. In this review, we examine extant literature dealing with the impact of ageing on brain structure and function, with an emphasis on the roles of oxidative stress. Secondly, we review the benefits of food-based antioxidants with nootropic effects and/or food-based nootropic agents in mitigating memory decline; with a view to improving our understanding of likely mechanisms. We also highlight some of the limitations to the use of food-based nootropics and suggest ways in which they can be better employed in the clinical management of age-related cognitive decline. CONCLUSION While it is known that the human brain endures diverse insults in the process of ageing, food-based nootropics are likely to go a long way in mitigating the impacts of these insults. Further research is needed before we reach a point where food-based nootropics are routinely prescribed.
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Affiliation(s)
| | | | - Olakunle James Onaolapo
- Address correspondence to this author at the Behavioural Neuroscience/Neuropharmacology Unit, Department of Pharmacology, Ladoke
Akintola University of Technology, Osogbo, Osun State, Nigeria;
Tel: 2347031986101; E-mail:
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Millin PM, Rickert GM. Effect of a Strawberry and Spinach Dietary Supplement on Spatial Learning in Early and Late Middle-Aged Female Rats. Antioxidants (Basel) 2018; 8:antiox8010001. [PMID: 30577447 PMCID: PMC6356617 DOI: 10.3390/antiox8010001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Revised: 12/14/2018] [Accepted: 12/18/2018] [Indexed: 11/20/2022] Open
Abstract
The present experiment sought to determine the effect of an eight-week, high antioxidant, whole-foods dietary supplement on Morris Water Maze performance in early and late middle-aged female rats. To improve ecological validity over past experimental studies, rats in the current study received antioxidants by consuming freeze-dried organic strawberries and spinach rather than by being given food extracts or antioxidant injections. Latency and path length measures both indicated that late middle-aged rats fed the high antioxidant diet performed on a par with the younger animals earlier in training than their standard diet counterparts (p < 0.05). Superior performance was not due to improved fitness in the antioxidant-supplemented rats. Thus, our model showed that a high antioxidant diet of relatively short duration mitigated the mild cognitive decline that was seen in control animals during the developmental period of late middle-age. The current results offer support for the promising role of dietary antioxidants in maintaining cognitive health in normal aging and extend past findings to females, who have been relatively neglected in experimental investigations. Moreover, the current model suggests that the period of transition from early to late middle age is a promising target for dietary intervention in healthy adults.
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Affiliation(s)
- Paula M Millin
- Department of Psychology, Kenyon College, Gambier, OH 43022, USA.
| | - Gina M Rickert
- Chicago College of Osteopathic Medicine, Midwestern University, Chicago, IL 60515, USA.
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Barfoot KL, May G, Lamport DJ, Ricketts J, Riddell PM, Williams CM. The effects of acute wild blueberry supplementation on the cognition of 7-10-year-old schoolchildren. Eur J Nutr 2018; 58:2911-2920. [PMID: 30327868 PMCID: PMC6768899 DOI: 10.1007/s00394-018-1843-6] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2018] [Accepted: 10/04/2018] [Indexed: 12/04/2022]
Abstract
Purpose Previous evidence suggests consumption of flavonoids, a sub-class of polyphenols, is associated with improved cognitive function across the lifespan. In particular, acute intervention of a flavonoid-rich wild blueberry (WBB) drink has been shown to boost executive function (EF), short-term memory and mood 2–6 h post-consumption in 7–10-year-old children. However, confirmation of the aspects of EF and memory susceptible to WBB ingestion is required, particularly during childhood, a critical period of neurological development. In addition, the child literature on berry flavonoid supplementation and cognition highlights the potential for such interventions to elicit positive benefits to real-world educational scenarios, such as reading, a complex ability which relies upon aspects of cognition already known to improve following WBB. Methods Here we examined which aspects of EF and memory are susceptible to acute WBB, as well as investigating whether acute WBB could further benefit reading ability. Fifty-four healthy children, aged 7–10 years, consumed a 200 ml WBB drink (253 mg anthocyanins) or a matched placebo according to a randomised, single-blind, parallel-groups design. Verbal memory (Auditory Verbal Learning Task; AVLT), EF (Modified Attention Network Task; MANT), and reading efficiency (Test of Word Reading Efficiency-2; TOWRE-2) were assessed at baseline and 2 h post-consumption. Results For the MANT, significantly quicker RTs were observed for WBB participants when compared to placebo participants on 120 ms trials, without cost to accuracy. Furthermore, WBB participants showed enhanced verbal memory performance on the AVLT, recalling more words than placebo participants on short delay and memory acquisition measures post-consumption. Despite these significant improvements in cognitive performance, no significant effects were observed for reading measures. Conclusion Consumption of WBB was found to significantly improve memory and attentional aspects of EF. This indicates that a flavonoid-rich blueberry product, equivalent to 240 g or 1½ cups of fresh blueberries can provide acute cognitive benefits in children. These findings support accumulating evidence that flavonoid-rich products are beneficial for healthy brain function, particularly during critical developmental periods. However, the lack of findings relating to reading ability suggested acute WBB may not be sufficient to elicit benefits to reading. Chronic supplementation and other more sensitive reading measures should be considered for examining the effects of WBB on such a complex skill in the future.
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Affiliation(s)
- Katie L Barfoot
- School of Psychology and Clinical Language Sciences, University of Reading, Earley Gate, Whiteknights Road, Reading, RG6 6AL, UK
| | - Gabrielle May
- School of Psychology and Clinical Language Sciences, University of Reading, Earley Gate, Whiteknights Road, Reading, RG6 6AL, UK
- School of Psychology, Royal Holloway, University of London, London, UK
| | - Daniel J Lamport
- School of Psychology and Clinical Language Sciences, University of Reading, Earley Gate, Whiteknights Road, Reading, RG6 6AL, UK
| | - Jessie Ricketts
- School of Psychology, Royal Holloway, University of London, London, UK
| | - Patricia M Riddell
- School of Psychology and Clinical Language Sciences, University of Reading, Earley Gate, Whiteknights Road, Reading, RG6 6AL, UK
| | - Claire M Williams
- School of Psychology and Clinical Language Sciences, University of Reading, Earley Gate, Whiteknights Road, Reading, RG6 6AL, UK.
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Siddique YH, Naz F, Jyoti S, Ali F, Rahul. Effect of Genistein on the Transgenic Drosophila Model of Parkinson's Disease. J Diet Suppl 2018; 16:550-563. [PMID: 29969325 DOI: 10.1080/19390211.2018.1472706] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Parkinson's disease (PD) is the second-most common neurodegenerative disorder and is characterized by the degeneration of dopaminergic neurons in the substantia nigra pars compacta. Oxidative stress has also been linked with the progression of PD, hence the involvement of a natural plant product could offer neuroprotection. The present study deals with the effect of genistein on the transgenic flies expressing normal human alpha synuclein panneurally. The PD flies were exposed to 10, 20, 30, and 40 µM of genistein (mixed in diet) for 24 days. A significant dose-dependent increase in the life span and delay in the loss of climbing ability were observed in the PD flies exposed to genistein (p < .05). A significant dose-dependent decrease in oxidative stress markers and increase in dopamine content were observed in PD flies exposed to genistein. However, the exposure of genistein did not inhibit the expression of α-synuclein in the brains of PD flies.
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Affiliation(s)
- Yasir Hasan Siddique
- Drosophila Transgenic Laboratory, Section of Genetics, Department of Zoology, Faculty of Life Sciences, Aligarh Muslim University , Aligarh , Uttar Pradesh , India
| | - Falaq Naz
- Drosophila Transgenic Laboratory, Section of Genetics, Department of Zoology, Faculty of Life Sciences, Aligarh Muslim University , Aligarh , Uttar Pradesh , India
| | - Smita Jyoti
- Drosophila Transgenic Laboratory, Section of Genetics, Department of Zoology, Faculty of Life Sciences, Aligarh Muslim University , Aligarh , Uttar Pradesh , India
| | - Fahad Ali
- Drosophila Transgenic Laboratory, Section of Genetics, Department of Zoology, Faculty of Life Sciences, Aligarh Muslim University , Aligarh , Uttar Pradesh , India
| | - Rahul
- Drosophila Transgenic Laboratory, Section of Genetics, Department of Zoology, Faculty of Life Sciences, Aligarh Muslim University , Aligarh , Uttar Pradesh , India
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Spencer SJ, Korosi A, Layé S, Shukitt-Hale B, Barrientos RM. Food for thought: how nutrition impacts cognition and emotion. NPJ Sci Food 2017; 1:7. [PMID: 31304249 PMCID: PMC6550267 DOI: 10.1038/s41538-017-0008-y] [Citation(s) in RCA: 128] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2017] [Revised: 07/24/2017] [Accepted: 08/10/2017] [Indexed: 01/27/2023] Open
Abstract
More than one-third of American adults are obese and statistics are similar worldwide. Caloric intake and diet composition have large and lasting effects on cognition and emotion, especially during critical periods in development, but the neural mechanisms for these effects are not well understood. A clear understanding of the cognitive-emotional processes underpinning desires to over-consume foods can assist more effective prevention and treatments of obesity. This review addresses recent work linking dietary fat intake and omega-3 polyunsaturated fatty acid dietary imbalance with inflammation in developing, adult, and aged brains. Thus, early-life diet and exposure to stress can lead to cognitive dysfunction throughout life and there is potential for early nutritional interventions (e.g., with essential micronutrients) for preventing these deficits. Likewise, acute consumption of a high-fat diet primes the hippocampus to produce a potentiated neuroinflammatory response to a mild immune challenge, causing memory deficits. Low dietary intake of omega-3 polyunsaturated fatty acids can also contribute to depression through its effects on endocannabinoid and inflammatory pathways in specific brain regions leading to synaptic phagocytosis by microglia in the hippocampus, contributing to memory loss. However, encouragingly, consumption of fruits and vegetables high in polyphenolics can prevent and even reverse age-related cognitive deficits by lowering oxidative stress and inflammation. Understanding relationships between diet, cognition, and emotion is necessary to uncover mechanisms involved in and strategies to prevent or attenuate comorbid neurological conditions in obese individuals.
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Affiliation(s)
- Sarah J. Spencer
- School of Health and Biomedical Sciences, RMIT University, Melbourne, VIC 3788 Australia
| | - Aniko Korosi
- Swammerdam Institute for Life Sciences, Center for Neuroscience, University of Amsterdam, Amsterdam, 1098 XH Netherlands
| | - Sophie Layé
- Nutrition et Neurobiologie Intégrée, INRA, Bordeaux University, Bordeaux, UMR1286 France
| | - Barbara Shukitt-Hale
- USDA-ARS, Human Nutrition Research Center On Aging at Tufts University, Boston, MA 02111-1524 USA
| | - Ruth M. Barrientos
- Department of Psychology & Neuroscience, and Center for Neuroscience, University of Colorado, Campus Box 345, Boulder, CO 80309-0345 USA
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Costa C, Tsatsakis A, Mamoulakis C, Teodoro M, Briguglio G, Caruso E, Tsoukalas D, Margina D, Dardiotis E, Kouretas D, Fenga C. Current evidence on the effect of dietary polyphenols intake on chronic diseases. Food Chem Toxicol 2017; 110:286-299. [DOI: 10.1016/j.fct.2017.10.023] [Citation(s) in RCA: 155] [Impact Index Per Article: 22.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Revised: 10/12/2017] [Accepted: 10/13/2017] [Indexed: 02/07/2023]
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Mottaghi T, Amirabdollahian F, Haghighatdoost F. Fruit and vegetable intake and cognitive impairment: a systematic review and meta-analysis of observational studies. Eur J Clin Nutr 2017; 72:1336-1344. [DOI: 10.1038/s41430-017-0005-x] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2017] [Revised: 08/13/2017] [Accepted: 08/21/2017] [Indexed: 12/27/2022]
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Kreilaus F, Spiro AS, Hannan AJ, Garner B, Jenner AM. Therapeutic Effects of Anthocyanins and Environmental Enrichment in R6/1 Huntington's Disease Mice. J Huntingtons Dis 2017; 5:285-296. [PMID: 27567888 DOI: 10.3233/jhd-160204] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
BACKGROUND Huntington's disease (HD) is a progressive neurodegenerative disease with no effective treatment or cure. Environmental enrichment has been used to slow processes leading to ageing and neurodegenerative diseases including HD. Phenolic phytochemicals including anthocyanins have also been shown to improve brain function in ageing and neurodegenerative diseases. OBJECTIVE This study examined the effects of anthocyanin dietary supplementation and environmental enrichment on behavioural phenotypes and brain cholesterol metabolic alterations in the R6/1 mouse model of HD. METHODS R6/1 HD mice and their wild-type littermate controls were randomised into the different experimental conditions, involving either environmentally enriched versus standard housing conditions, or anthocyanin versus control diet. Motor dysfunction was assessed from 6 to 26 weeks using the RotaRod and the hind-paw clasping tests. Gas chromatography - tandem mass spectrometry was used to quantify a broad range of sterols in the striatum and cortex of R6/1 HD mice. RESULTS Anthocyanin dietary supplementation delayed the onset of motor dysfunction in female HD mice. Environmental enrichment improved motor function and the hind paw clasping phenotype in male HD mice only. These mice also had lower levels of cholesterol oxidation products in the cortex compared to standard-housed mice. CONCLUSION Both anthocyanin supplementation and environmental enrichment are able to improve the motor dysfunction phenotype of R6/1 mice, however the effectiveness of these interventions was different between the two sexes. The interventions examined did not alter brain cholesterol metabolic deficits that have been reported previously in this mouse model of HD.
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Affiliation(s)
- Fabian Kreilaus
- Illawarra Health and Medical Research Institute, University of Wollongong, NSW, Australia.,School of Biological Sciences, University of Wollongong, NSW, Australia
| | - Adena S Spiro
- Illawarra Health and Medical Research Institute, University of Wollongong, NSW, Australia.,School of Biological Sciences, University of Wollongong, NSW, Australia
| | - Anthony J Hannan
- Florey Institute of Neuroscience and Mental Health, University of Melbourne, Parkville, VIC, Australia.,Department of Anatomy and Neuroscience, University of Melbourne, Parkville, VIC, Australia
| | - Brett Garner
- Illawarra Health and Medical Research Institute, University of Wollongong, NSW, Australia.,School of Biological Sciences, University of Wollongong, NSW, Australia
| | - Andrew M Jenner
- Illawarra Health and Medical Research Institute, University of Wollongong, NSW, Australia.,School of Biological Sciences, University of Wollongong, NSW, Australia
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Siddique YH, Jyoti S. Alteration in biochemical parameters in the brain of transgenic Drosophila melanogaster model of Parkinson's disease exposed to apigenin. Integr Med Res 2017; 6:245-253. [PMID: 28951838 PMCID: PMC5605376 DOI: 10.1016/j.imr.2017.04.003] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2017] [Accepted: 04/18/2017] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Oxidative stress is one of the key components of the pathology of various neurodegenerative disorders. Parkinson's disease (PD) is characterized by the progressive loss of dopaminergic neurons owing to the aggregation of alpha-synuclein (αS) in the brain. A number of polyphenols have been reported to inhibit the αS aggregation resulting in the possible prevention of PD. The involvement of free radicals in mediating the neuronal death in PD has also been implicated. METHODS In the present study, the transgenic flies expressing human αS in the brain were exposed to 10 μM, 20 μM, 40 μM, and 80 μM of apigenin established in diet for 24 days. RESULTS The flies showed an increase in life span, glutathione, and dopamine content. The exposure of PD flies to various doses of apigenin also results in the reduction of glutathione-S-transferase activity, lipid peroxidation, monoamine oxidase, caspase-3, and caspase-9 activity in a dose-dependent manner. CONCLUSION The results of the present study reveal that apigenin is potent in increasing the life span, dopamine content, reduced the oxidative stress as well as apoptosis in transgenic Drosophila model of PD.
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Affiliation(s)
- Yasir Hasan Siddique
- Drosophila Transgenic Laboratory, Section of Genetics, Department of Zoology, Faculty of Life Sciences, Aligarh Muslim University, Aligarh, India
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Abstract
In this Special Issue on "Nutraceuticals: Molecular and Functional Insights into how Natural Products Nourish the Brain", the editors bring together contributions from experts in nutraceutical research to provide a contemporary overview of how select chemically identified molecules from natural products can beneficially affect brain function at the molecular level. Other contributions address key emergent issues such as bioavailability, neuronal health, inflammation and the holistic benefit of multi-targeted actions that impact upon how nutraceuticals ultimately leverage the brain to function better. In terms of the benefit of nutraceuticals it is clear that some naturally occurring molecules can be advantageous to both the young and aged brain, and that they have actions that ultimately can be directed to aid either in the improvement of cognition or in the management of debilitating neurodegenerative and neuropsychiatric conditions.
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Mock JT, Chaudhari K, Sidhu A, Sumien N. The influence of vitamins E and C and exercise on brain aging. Exp Gerontol 2016; 94:69-72. [PMID: 27939444 DOI: 10.1016/j.exger.2016.12.008] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Revised: 12/01/2016] [Accepted: 12/07/2016] [Indexed: 12/16/2022]
Abstract
Age-related declines in motor and cognitive function have been associated with increases in oxidative stress. Accordingly, interventions capable of reducing the oxidative burden would be capable of preventing or reducing functional declines occurring during aging. Popular interventions such as antioxidant intake and moderate exercise are often recommended to attain healthy aging and have the capacity to alter redox burden. This review is intended to summarize the outcomes of antioxidant supplementation (more specifically of vitamins C and E) and exercise training on motor and cognitive declines during aging, and on measures of oxidative stress. Additionally, we will address whether co-implementation of these two types of interventions can potentially further their individual benefits. Together, these studies highlight the importance of using translationally-relevant parameters for interventions and to study their combined outcomes on healthy brain aging.
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Affiliation(s)
- J Thomas Mock
- Center for Neuroscience Discovery, Institute for Healthy Aging, University of North Texas Health Science Center at Fort Worth, Fort Worth, TX 76107, USA
| | - Kiran Chaudhari
- Center for Neuroscience Discovery, Institute for Healthy Aging, University of North Texas Health Science Center at Fort Worth, Fort Worth, TX 76107, USA
| | - Akram Sidhu
- Center for Neuroscience Discovery, Institute for Healthy Aging, University of North Texas Health Science Center at Fort Worth, Fort Worth, TX 76107, USA
| | - Nathalie Sumien
- Center for Neuroscience Discovery, Institute for Healthy Aging, University of North Texas Health Science Center at Fort Worth, Fort Worth, TX 76107, USA.
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Comparing the Behavioural Effects of Exogenous Growth Hormone and Melatonin in Young and Old Wistar Rats. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2016; 2016:5863402. [PMID: 28050228 PMCID: PMC5165162 DOI: 10.1155/2016/5863402] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Revised: 09/25/2016] [Accepted: 10/16/2016] [Indexed: 11/18/2022]
Abstract
Growth hormone (GH) and melatonin are two hormones with quite different physiological effects. Curiously, their secretion shows parallel and severe age-related reductions. This has promoted many reports for studying the therapeutic supplementation of both hormones in an attempt to avoid or delay the physical, physiological, and psychological decay observed in aged humans and in experimental animals. Interestingly, the effects of the external administration of low doses of GH and of melatonin were surprisingly similar, as both hormones caused significant improvements in the functional capabilities of aged subjects. The present report aims at discerning the eventual difference between cognitive and motor effects of the two hormones when administered to young and aged Wistar rats. The effects were tested in the radial maze, a test highly sensitive to the age-related impairments in working memory and also in the rotarod test, for evaluating the motor coordination. The results showed that both hormones caused clear improvements in both tasks. However, while GH improved the cognitive capacity and, most importantly, the physical stamina, the effects of melatonin should be attributed to its antioxidant, anxiolytic, and neuroprotective properties.
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Anthocyanin-rich extract of Acai ( Euterpe precatoria Mart.) mediates neuroprotective activities in Caenorhabditis elegans. J Funct Foods 2016. [DOI: 10.1016/j.jff.2016.08.012] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
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Youdim KA, Shukitt-Hale B, Martin A, Wang H, Denisova N, Bickford PC, Joseph JA. Short-Term Dietary Supplementation of Blueberry Polyphenolics: Beneficial Effects on Aging Brain Performance and Peripheral Tissue Function. Nutr Neurosci 2016. [DOI: 10.1080/1028415x.2000.11747338] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Roberts JL, Moreau R. Functional properties of spinach (Spinacia oleracea L.) phytochemicals and bioactives. Food Funct 2016; 7:3337-53. [PMID: 27353735 DOI: 10.1039/c6fo00051g] [Citation(s) in RCA: 102] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Overwhelming evidence indicates that diets rich in fruits and vegetables are protective against common chronic diseases, such as cancer, obesity and cardiovascular disease. Leafy green vegetables, in particular, are recognized as having substantial health-promoting activities that are attributed to the functional properties of their nutrients and non-essential chemical compounds. Spinach (Spinacia oleracea L.) is widely regarded as a functional food due to its diverse nutritional composition, which includes vitamins and minerals, and to its phytochemicals and bioactives that promote health beyond basic nutrition. Spinach-derived phytochemicals and bioactives are able to (i) scavenge reactive oxygen species and prevent macromolecular oxidative damage, (ii) modulate expression and activity of genes involved in metabolism, proliferation, inflammation, and antioxidant defence, and (iii) curb food intake by inducing secretion of satiety hormones. These biological activities contribute to the anti-cancer, anti-obesity, hypoglycemic, and hypolipidemic properties of spinach. Despite these valuable attributes, spinach consumption remains low in comparison to other leafy green vegetables. This review examines the functional properties of spinach in cell culture, animals and humans with a focus on the molecular mechanisms by which spinach-derived non-essential phytochemicals and bioactives, such as glycolipids and thylakoids, impart their health benefits.
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Affiliation(s)
- Joseph L Roberts
- Department of Nutrition & Health Sciences, University of Nebraska-Lincoln, Lincoln, NE 68583, USA
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Wang E, Wink M. Chlorophyll enhances oxidative stress tolerance inCaenorhabditis elegansand extends its lifespan. PeerJ 2016; 4:e1879. [PMID: 27077003 PMCID: PMC4830245 DOI: 10.7717/peerj.1879] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Accepted: 03/11/2016] [Indexed: 02/03/2023] Open
Abstract
Green vegetables are thought to be responsible for several beneficial properties such as antioxidant, anti-mutagenic, and detoxification activities. It is not known whether these effects are due to chlorophyll which exists in large amounts in many foods or result from other secondary metabolites. In this study, we used the model systemCaenorhabditis elegansto investigate the anti-oxidative and anti-aging effects of chlorophyllin vivo. We found that chlorophyll significantly improves resistance to oxidative stress. It also enhances the lifespan ofC. elegansby up to 25% via activation of the DAF-16/FOXO-dependent pathway. The results indicate that chlorophyll is absorbed by the worms and is thus bioavailable, constituting an important prerequisite for antioxidant and longevity-promoting activities inside the body. Our study thereby supports the view that green vegetables may also be beneficial for humans.
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Affiliation(s)
- Erjia Wang
- Department of Biology, Institute of Pharmacy and Molecular Biotechnology, Heidelberg University, Im Neuenheimer, Heidelberg, Germany
| | - Michael Wink
- Department of Biology, Institute of Pharmacy and Molecular Biotechnology, Heidelberg University, Im Neuenheimer, Heidelberg, Germany
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Ramis MR, Sarubbo F, Terrasa JL, Moranta D, Aparicio S, Miralles A, Esteban S. Chronic α-Tocopherol Increases Central Monoamines Synthesis and Improves Cognitive and Motor Abilities in Old Rats. Rejuvenation Res 2016; 19:159-71. [DOI: 10.1089/rej.2015.1685] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Affiliation(s)
- Margarita R. Ramis
- Laboratorio de Neurofisiología, Departamento de Biología, Universitat de les Illes Balears (UIB), Palma de Mallorca, Spain
| | - Fiorella Sarubbo
- Laboratorio de Neurofisiología, Departamento de Biología, Universitat de les Illes Balears (UIB), Palma de Mallorca, Spain
| | - Juan L. Terrasa
- Laboratorio de Neurofisiología, Departamento de Biología, Universitat de les Illes Balears (UIB), Palma de Mallorca, Spain
| | - David Moranta
- Laboratorio de Neurofisiología, Departamento de Biología, Universitat de les Illes Balears (UIB), Palma de Mallorca, Spain
- Laboratorio de Infección e Inmunidad, Fundación de Investigación Sanitaria de las Islas Baleares (FISIB)-Instituto de Investigación Sanitaria de Palma (IdISPa), Centro de Investigación Biomédica en Red Enfermedades Respiratorias (CIBERES), Hospital Joan March, Mallorca, Spain
| | - Sara Aparicio
- Laboratorio de Neurofisiología, Departamento de Biología, Universitat de les Illes Balears (UIB), Palma de Mallorca, Spain
| | - Antonio Miralles
- Laboratorio de Neurofisiología, Departamento de Biología, Universitat de les Illes Balears (UIB), Palma de Mallorca, Spain
| | - Susana Esteban
- Laboratorio de Neurofisiología, Departamento de Biología, Universitat de les Illes Balears (UIB), Palma de Mallorca, Spain
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46
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Burton MD, Rytych JL, Amin R, Johnson RW. Dietary Luteolin Reduces Proinflammatory Microglia in the Brain of Senescent Mice. Rejuvenation Res 2016; 19:286-92. [PMID: 26918466 DOI: 10.1089/rej.2015.1708] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Brain microglia become dysregulated during aging and express proinflammatory cytokines that play a role in cognitive aging. Recent studies suggest the flavonoid luteolin reduces neuroinflammation and improves learning and memory in aged mice. However, if dietary luteolin reduces microglia activity in the brain of senescent mice is not known. We hypothesized that feeding aged mice a diet with luteolin would reduce microglia activity. Adult (3-6 months) and aged (22-24 months) mice were fed American Institute of Nutrition (AIN)-93M or AIN-93M with luteolin (6 g/kg) for 4 weeks and injected intraperitoneally with saline or lipopolysaccharide (LPS) before microglia were isolated and stained for major histocompatibility complex (MHC) class II, interleukin (IL)-1β, and IL-6 for flow cytometry. In saline-treated mice fed control diet, aging increased the proportion of microglia that stained for MHC class II (<3% for adults vs. 23% for aged), IL-1β (<2% for adults vs. 25% for aged), and IL-6 (<2% for adults vs. 25% for aged), indicating an age-related increase in proinflammatory microglia. In saline-treated aged mice fed luteolin, the proportion of microglia that stained for MHC class II, IL-1β, and IL-6 was reduced by nearly half (to 12%, 13%, and 12%, respectively). Interestingly, luteolin significantly reduced the proportion of microglia that stained for IL-1β and IL-6 in LPS-treated adult mice but not aged. Collectively, the results show that a diet supplemented with luteolin inhibited brain microglia activity during aging and activation by LPS in adults. Therefore, luteolin may inhibit neuroinflammation and improve cognition in the otherwise healthy aged by constraining brain microglia.
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Affiliation(s)
- Michael D Burton
- 1 Laboratory of Integrative Immunology and Behavior, Department of Animal Sciences, University of Illinois at Urbana-Champaign , Urbana, Illinois
| | - Jennifer L Rytych
- 1 Laboratory of Integrative Immunology and Behavior, Department of Animal Sciences, University of Illinois at Urbana-Champaign , Urbana, Illinois.,2 Division of Nutritional Sciences, University of Illinois at Urbana-Champaign , Urbana, Illinois
| | - Ravi Amin
- 1 Laboratory of Integrative Immunology and Behavior, Department of Animal Sciences, University of Illinois at Urbana-Champaign , Urbana, Illinois
| | - Rodney W Johnson
- 1 Laboratory of Integrative Immunology and Behavior, Department of Animal Sciences, University of Illinois at Urbana-Champaign , Urbana, Illinois.,2 Division of Nutritional Sciences, University of Illinois at Urbana-Champaign , Urbana, Illinois
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Bensalem J, Dal-Pan A, Gillard E, Calon F, Pallet V. Protective effects of berry polyphenols against age-related cognitive impairment. ACTA ACUST UNITED AC 2016. [DOI: 10.3233/nua-150051] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Julien Bensalem
- Univ. de Bordeaux, Nutrition et neurobiologie intégrée, UMR 1286, 33000 Bordeaux, France
- INRA, Nutrition et neurobiologie intégrée, UMR 1286, 33000 Bordeaux, France
- Activ’Inside, 33500 Libourne, France
| | - Alexandre Dal-Pan
- Faculté de Pharmacie, Université Laval, Centre de Recherche du CHU de Québec, Québec, Canada
- Institut des Nutraceutiques et des Aliments Fonctionnels, Université Laval, Québec, Canada
- OptiNutriBrain International Associated Laboratory (NutriNeuro France-INAF Canada), 33000 Bordeaux, France
| | - Elodie Gillard
- Faculté de Pharmacie, Université Laval, Centre de Recherche du CHU de Québec, Québec, Canada
| | - Frédéric Calon
- Faculté de Pharmacie, Université Laval, Centre de Recherche du CHU de Québec, Québec, Canada
- Institut des Nutraceutiques et des Aliments Fonctionnels, Université Laval, Québec, Canada
- OptiNutriBrain International Associated Laboratory (NutriNeuro France-INAF Canada), 33000 Bordeaux, France
| | - Véronique Pallet
- Univ. de Bordeaux, Nutrition et neurobiologie intégrée, UMR 1286, 33000 Bordeaux, France
- INRA, Nutrition et neurobiologie intégrée, UMR 1286, 33000 Bordeaux, France
- Bordeaux INP, NutriNeuro, UMR 1286, F-33000, Bordeaux, France
- OptiNutriBrain International Associated Laboratory (NutriNeuro France-INAF Canada), 33000 Bordeaux, France
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Mazzoni L, Perez-Lopez P, Giampieri F, Alvarez-Suarez JM, Gasparrini M, Forbes-Hernandez TY, Quiles JL, Mezzetti B, Battino M. The genetic aspects of berries: from field to health. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2016; 96:365-71. [PMID: 25872898 DOI: 10.1002/jsfa.7216] [Citation(s) in RCA: 72] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2015] [Revised: 03/24/2015] [Accepted: 04/10/2015] [Indexed: 05/03/2023]
Abstract
Berries are a relevant source of micronutrients and nonessential phytochemicals, such as polyphenol compounds, that play a synergistic and cumulative role in human health promotion. Several systematic analyses showed that berry phenolics are able to detoxify reactive oxygen and nitrogen species, blocking their production, to intervene in the cell cycle, participating in the transduction and expression of genes involved in apoptosis, and to repair oxidative DNA damage. As a consequence, the improvement of the nutritional quality of berries has become a new quality target of breeding and biotechnological strategies, to control or to increase the content of specific health-related compounds in fruits. This work reviews, on the basis of the in vitro and in vivo evidence, the main berries' phytochemical compounds and their possible mechanisms of action on pathways involved in several type of diseases, with particular attention to cancer, inflammation, neurodegeneration, diabetes and cardiovascular diseases.
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Affiliation(s)
- Luca Mazzoni
- Dipartimento di Scienze Cliniche Specialistiche ed Odontostomatologiche (DISCO), Facoltà di Medicina, Università Politecnica delle Marche, Ancona, Italy
| | - Patricia Perez-Lopez
- Department of Physiology, Institute of Nutrition and Food Technology 'José Mataix, Biomedical Research Center, University of Granada, Granada, Spain
| | - Francesca Giampieri
- Dipartimento di Scienze Agrarie, Alimentari e Ambientali, Università Politecnica delle Marche, Ancona, Italy
| | - Jose M Alvarez-Suarez
- Dipartimento di Scienze Cliniche Specialistiche ed Odontostomatologiche (DISCO), Facoltà di Medicina, Università Politecnica delle Marche, Ancona, Italy
- Facultad de Ciencias de la Salud, Universidad Nacional de Chimborazo, Riobamba, Ecuador
| | - Massimiliano Gasparrini
- Dipartimento di Scienze Cliniche Specialistiche ed Odontostomatologiche (DISCO), Facoltà di Medicina, Università Politecnica delle Marche, Ancona, Italy
| | - Tamara Y Forbes-Hernandez
- Dipartimento di Scienze Cliniche Specialistiche ed Odontostomatologiche (DISCO), Facoltà di Medicina, Università Politecnica delle Marche, Ancona, Italy
- Area de Nutrición y Salud, Universidad Internacional Iberoamericana (UNINI), Campeche, CP, 24040, Mexico
| | - Jose L Quiles
- Department of Physiology, Institute of Nutrition and Food Technology 'José Mataix, Biomedical Research Center, University of Granada, Granada, Spain
| | - Bruno Mezzetti
- Dipartimento di Scienze Agrarie, Alimentari e Ambientali, Università Politecnica delle Marche, Ancona, Italy
| | - Maurizio Battino
- Dipartimento di Scienze Cliniche Specialistiche ed Odontostomatologiche (DISCO), Facoltà di Medicina, Università Politecnica delle Marche, Ancona, Italy
- Director Centre for Nutrition and Health, Universidad Europea del Atlantico (UEA), Santander, 39011, Spain
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49
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Janssen CI, Zerbi V, Mutsaers MP, Jochems M, Vos CA, Vos JO, Berg BM, van Tol EA, Gross G, Jouni ZE, Heerschap A, Kiliaan AJ. Effect of perinatally supplemented flavonoids on brain structure, circulation, cognition, and metabolism in C57BL/6J mice. Neurochem Int 2015; 89:157-69. [DOI: 10.1016/j.neuint.2015.05.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2015] [Revised: 04/27/2015] [Accepted: 05/04/2015] [Indexed: 01/15/2023]
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50
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Snigdha S, de Rivera C, Milgram NW, Cotman CW. Effect of mitochondrial cofactors and antioxidants supplementation on cognition in the aged canine. Neurobiol Aging 2015; 37:171-178. [PMID: 26481404 DOI: 10.1016/j.neurobiolaging.2015.09.015] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2015] [Revised: 09/16/2015] [Accepted: 09/19/2015] [Indexed: 01/08/2023]
Abstract
A growing body of research has focused on modifiable risk factors for prevention and attenuation of cognitive decline in aging. This has led to an unprecedented interest in the relationship between diet and cognitive function. Several preclinical and epidemiologic studies suggest that dietary intervention can be used to improve cognitive function but randomized controlled trials are increasingly failing to replicate these findings. Here, we use a canine model of aging to evaluate the effects of specific components of diet supplementation which contain both antioxidants and a combination of mitochondrial cofactors (lipoic acid [LA] and acetyl-l-carnitine) on a battery of cognitive functions. Our data suggest that supplementation with mitochondrial cofactors, but not LA or antioxidant alone, selectively improve long-term recall in aged canines. Furthermore, we found evidence that LA alone could have cognitive impairing effects. These results contrast to those of a previous longitudinal study in aged canine. Our data demonstrate that one reason for this difference may be the nutritional status of animals at baseline for the 2 studies. Overall, this study suggests that social, cognitive, and physical activity together with optimal dietary intake (rather than diet alone) promotes successful brain aging.
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Affiliation(s)
- Shikha Snigdha
- Institute for Memory Impairments and Neurological Disorders, University of California-Irvine, Irvine, CA, USA.
| | | | | | - Carl W Cotman
- Institute for Memory Impairments and Neurological Disorders, University of California-Irvine, Irvine, CA, USA
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