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Buján GE, D'Alessio L, Serra HA, Guelman LR, Molina SJ. Assessment of Hippocampal-Related Behavioral Changes in Adolescent Rats of both Sexes Following Voluntary Intermittent Ethanol Intake and Noise Exposure: A Putative Underlying Mechanism and Implementation of a Non-pharmacological Preventive Strategy. Neurotox Res 2024; 42:29. [PMID: 38856796 DOI: 10.1007/s12640-024-00707-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 04/16/2024] [Accepted: 05/27/2024] [Indexed: 06/11/2024]
Abstract
Ethanol (EtOH) intake and noise exposure are particularly concerning among human adolescents because the potential to harm brain. Unfortunately, putative underlying mechanisms remain to be elucidated. Moreover, implementing non-pharmacological strategies, such as enriched environments (EE), would be pertinent in the field of neuroprotection. This study aims to explore possible underlying triggering mechanism of hippocampus-dependent behaviors in adolescent animals of both sexes following ethanol intake, noise exposure, or a combination of both, as well as the impact of EE. Adolescent Wistar rats of both sexes were subjected to an intermittent voluntary EtOH intake paradigm for one week. A subgroup of animals was exposed to white noise for two hours after the last session of EtOH intake. Some animals of both groups were housed in EE cages. Hippocampal-dependent behavioral assessment and hippocampal oxidative state evaluation were performed. Results show that different hippocampal-dependent behavioral alterations might be induced in animals of both sexes after EtOH intake and sequential noise exposure, that in some cases are sex-specific. Moreover, hippocampal oxidative imbalance seems to be one of the potential underlying mechanisms. Additionally, most behavioral and oxidative alterations were prevented by EE. These findings suggest that two frequently found environmental agents may impact behavior and oxidative pathways in both sexes in an animal model. In addition, EE resulted a partially effective neuroprotective strategy. Therefore, it could be suggested that the implementation of a non-pharmacological approach might also potentially provide neuroprotective advantages against other challenges. Finally, considering its potential for translational human benefit might be worth.
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Affiliation(s)
- G E Buján
- Facultad de Medicina, Departamento de Toxicología y Farmacología, 1ª Cátedra de Farmacología, Buenos Aires, Universidad de Buenos Aires (UBA), Paraguay 2155, piso 15, 1121, Ciudad Autónoma de Buenos Aires, Argentina
| | - L D'Alessio
- Facultad de Medicina, Departamento de Toxicología y Farmacología, 1ª Cátedra de Farmacología, Buenos Aires, Universidad de Buenos Aires (UBA), Paraguay 2155, piso 15, 1121, Ciudad Autónoma de Buenos Aires, Argentina
- Instituto de Biología Celular y Neurociencias (IBCN), Universidad de Buenos Aires (UBA)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - H A Serra
- Facultad de Medicina, Departamento de Toxicología y Farmacología, 1ª Cátedra de Farmacología, Buenos Aires, Universidad de Buenos Aires (UBA), Paraguay 2155, piso 15, 1121, Ciudad Autónoma de Buenos Aires, Argentina
| | - L R Guelman
- Facultad de Medicina, Departamento de Toxicología y Farmacología, 1ª Cátedra de Farmacología, Buenos Aires, Universidad de Buenos Aires (UBA), Paraguay 2155, piso 15, 1121, Ciudad Autónoma de Buenos Aires, Argentina.
- Centro de Estudios Farmacológicos y Botánicos (CEFyBO), Universidad de Buenos Aires (UBA)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina.
| | - S J Molina
- Centro de Estudios Farmacológicos y Botánicos (CEFyBO), Universidad de Buenos Aires (UBA)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
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Vilar-Pereira G, Gibaldi D, Castaño-Barrios L, da Silva AA, Resende Pereira I, Cruz Moreira O, Britto C, Mata dos Santos HA, de Oliveira Lopes R, Wanderley Tinoco L, Oliveira W, Lannes-Vieira J. The beneficial effect of fluoxetine on behavioral and cognitive changes in chronic experimental Chagas disease unveils the role of serotonin fueling astrocyte infection by Trypanosoma cruzi. PLoS Negl Trop Dis 2024; 18:e0012199. [PMID: 38776344 PMCID: PMC11149870 DOI: 10.1371/journal.pntd.0012199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 06/04/2024] [Accepted: 05/06/2024] [Indexed: 05/24/2024] Open
Abstract
BACKGROUND In Chagas disease (CD), a neglected tropical disease caused by the parasite Trypanosoma cruzi, the development of mental disorders such as anxiety, depression, and memory loss may be underpinned by social, psychological, and biological stressors. Here, we investigated biological factors underlying behavioral changes in a preclinical model of CD. METHODOLOGY/PRINCIPAL FINDINGS In T. cruzi-infected C57BL/6 mice, a kinetic study (5 to 150 days postinfection, dpi) using standardized methods revealed a sequential onset of behavioral changes: reduced innate compulsive behavior, followed by anxiety and depressive-like behavior, ending with progressive memory impairments. Hence, T. cruzi-infected mice were treated (120 to 150 dpi) with 10 mg/Kg/day of the selective serotonin reuptake inhibitor fluoxetine (Fx), an antidepressant that favors neuroplasticity. Fx therapy reversed the innate compulsive behavior loss, anxiety, and depressive-like behavior while preventing or reversing memory deficits. Biochemical, histological, and parasitological analyses of the brain tissue showed increased levels of the neurotransmitters GABA/glutamate and lipid peroxidation products and decreased expression of brain-derived neurotrophic factor in the absence of neuroinflammation at 150 dpi. Fx therapy ameliorated the neurochemical changes and reduced parasite load in the brain tissue. Next, using the human U-87 MG astroglioma cell line, we found no direct effect of Fx on parasite load. Crucially, serotonin/5-HT (Ser/5-HT) promoted parasite uptake, an effect increased by prior stimulation with IFNγ and TNF but abrogated by Fx. Also, Fx blocked the cytokine-driven Ser/5-HT-promoted increase of nitric oxide and glutamate levels in infected cells. CONCLUSION/SIGNIFICANCE We bring the first evidence of a sequential onset of behavioral changes in T. cruzi-infected mice. Fx therapy improves behavioral and biological changes and parasite control in the brain tissue. Moreover, in the central nervous system, cytokine-driven Ser/5-HT consumption may favor parasite persistence, disrupting neurotransmitter balance and promoting a neurotoxic environment likely contributing to behavioral and cognitive disorders.
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Affiliation(s)
- Glaucia Vilar-Pereira
- Laboratório de Biologia das Interações, Instituto Oswaldo Cruz/Fiocruz, Rio de Janeiro, Brazil
| | - Daniel Gibaldi
- Laboratório de Biologia das Interações, Instituto Oswaldo Cruz/Fiocruz, Rio de Janeiro, Brazil
| | - Leda Castaño-Barrios
- Laboratório de Biologia das Interações, Instituto Oswaldo Cruz/Fiocruz, Rio de Janeiro, Brazil
| | - Andrea Alice da Silva
- Laboratório Multidisciplinar de Apoio à Pesquisa em Nefrologia e Ciências Médicas, Departamento de Patologia, Faculdade de Medicina, Universidade Federal Fluminense, Niterói, Brazil
| | - Isabela Resende Pereira
- Laboratório de Biologia das Interações, Instituto Oswaldo Cruz/Fiocruz, Rio de Janeiro, Brazil
| | - Otacílio Cruz Moreira
- Laboratório de Virologia e Parasitologia Molecular, IOC/Fiocruz, Rio de Janeiro, Brazil
| | - Constança Britto
- Laboratório de Biologia Molecular e Doenças Endêmicas, IOC/Fiocruz, Rio de Janeiro, Brazil
| | - Hílton Antônio Mata dos Santos
- Escola de Farmácia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- Laboratório de Análise e Desenvolvimento de Inibidores Enzimáticos, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Raquel de Oliveira Lopes
- Programa de Pós-Graduação em Farmacologia e Química Medicinal, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- Laboratório Multiusuário de Análises por Ressonância Magnética Nuclear (LAMAR), Instituto de Pesquisas de Produtos Naturais (IPPN), Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Luzineide Wanderley Tinoco
- Laboratório Multiusuário de Análises por Ressonância Magnética Nuclear (LAMAR), Instituto de Pesquisas de Produtos Naturais (IPPN), Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Wilson Oliveira
- Ambulatório de Doença de Chagas e Insuficiência Cardíaca, Pronto Socorro Cardiológico de Pernambuco (PROCAPE)/Universidade de Pernambuco, Recife, Brazil
| | - Joseli Lannes-Vieira
- Laboratório de Biologia das Interações, Instituto Oswaldo Cruz/Fiocruz, Rio de Janeiro, Brazil
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Rangseekajee P, Piyavhatkul N, Wattanathorn J, Thukham-mee W, Paholpak P. Positive effects of anthocyanin-rich mulberry milk on mental health problems in the working population: an open-label study. Nutr Res Pract 2024; 18:110-118. [PMID: 38352214 PMCID: PMC10861345 DOI: 10.4162/nrp.2024.18.1.110] [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: 07/31/2023] [Revised: 09/21/2023] [Accepted: 12/01/2023] [Indexed: 02/16/2024] Open
Abstract
BACKGROUND/OBJECTIVES Depression and anxiety are common mental health problems. Anthocyanins from berries might have an inhibitory effect on monoamine oxidase (MAO) enzymes and alleviate various mood and anxiety symptoms. This study examined the effects of a daily supplement of an anthocyanin-rich product on mental health problems. SUBJECTS/METHODS This study was a secondary analysis from a randomized, 6-week, open-label trial in 300 healthy participants aged 18-60 years who consumed 1 or 2 servings of anthocyanin-rich mulberry milk daily. The General Health Questionnaire-28 (GHQ-28) and Hospital Anxiety and Depression Scale (HADS) were used to monitor mental health problems. In addition, the saliva activity levels of MAO-A, MAO-B, and cortisol were examined at the baseline and after 6 weeks. RESULTS The total scores of the GHQ-28 and HADS and all their subscales decreased in both groups (all P < 0.05). The cortisol, MAO-A, and MAO-B activities decreased significantly (all P <0.05), but there were no significant differences between the groups (all P > 0.05). Significant correlations were noted between the decreased activity level of MAO-A enzyme and decreased scores from the GHQ-28 somatic subscale and the HADS depression subscale (all P < 0.05). CONCLUSIONS Daily consumption of anthocyanin-rich mulberry milk possibly improves mental health problems by reducing depressive and anxiety symptoms in the working population. The suppression of MAO-A activity is a possible underlying mechanism. Trial Registration Thai Clinical Trial Registration: #TCTR20201031002.
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Affiliation(s)
- Poonsri Rangseekajee
- Research Institute for High Human Performance and Health Promotion, Khon Kaen University, Khon Kaen 40000, Thailand
- Brain and Mind Wellness Research Group, Khon Kaen University, Khon Kaen 40000, Thailand
- Department of Psychiatry, Faculty of Medicine, Khon Kaen University, Khon Kaen 40000, Thailand
| | - Nawanant Piyavhatkul
- Research Institute for High Human Performance and Health Promotion, Khon Kaen University, Khon Kaen 40000, Thailand
- Brain and Mind Wellness Research Group, Khon Kaen University, Khon Kaen 40000, Thailand
- Department of Psychiatry, Faculty of Medicine, Khon Kaen University, Khon Kaen 40000, Thailand
| | - Jintanaporn Wattanathorn
- Research Institute for High Human Performance and Health Promotion, Khon Kaen University, Khon Kaen 40000, Thailand
- Department of Psychiatry, Faculty of Medicine, Khon Kaen University, Khon Kaen 40000, Thailand
| | - Wipawee Thukham-mee
- Research Institute for High Human Performance and Health Promotion, Khon Kaen University, Khon Kaen 40000, Thailand
- Department of Psychiatry, Faculty of Medicine, Khon Kaen University, Khon Kaen 40000, Thailand
| | - Pongsatorn Paholpak
- Research Institute for High Human Performance and Health Promotion, Khon Kaen University, Khon Kaen 40000, Thailand
- Brain and Mind Wellness Research Group, Khon Kaen University, Khon Kaen 40000, Thailand
- Department of Psychiatry, Faculty of Medicine, Khon Kaen University, Khon Kaen 40000, Thailand
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Feng RC, Dong YH, Hong XL, Su Y, Wu XV. Effects of anthocyanin-rich supplementation on cognition of the cognitively healthy middle-aged and older adults: a systematic review and meta-analysis of randomized controlled trials. Nutr Rev 2023; 81:287-303. [PMID: 35960187 DOI: 10.1093/nutrit/nuac055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
CONTEXT The prevalence of age-related cognitive decline has been on the rise as the global population age, putting the independence and quality of life of elderly at risk. Anthocyanin, as a subclass of dietary flavonoids, may have a beneficial impact on cognitive outcomes. OBJECTIVES To examine the effects of dietary anthocyanin supplementation on cognition of the cognitively healthy middle-aged and older adults. DATA SOURCES PubMed, ScienceDirect, CINAHL, EMBASE, ProQuest and Cochrane databases were searched. DATA EXTRACTION AND ANALYSIS Thirteen studies were included in this meta-analysis. Anthocyanin-rich supplementation was found to significantly improve the processing speed of the older adults (95%CI 0.08, 0.44; P = 0.004). No significant differences were observed between intervention and control groups on memory, attention, executive function and psychomotor performance. Current neuroimaging studies have found promising effects of anthocyanin supplementation on brain activation and cerebral perfusion. CONCLUSION Anthocyanin-rich supplementation may preserve cognitive processing speed and neuro-activities in older adults, which improves their daily functioning and quality of life. This review provides useful insights to guide direction and methodological designs for future studies to explore the underlying mechanisms of anthocyanins. SYSTEMATIC REVIEW AND META-ANALYSIS REGISTRATION PROSPERO registration No. CRD42021228007.
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Affiliation(s)
- Ruo Chen Feng
- is with the High-Dependency Unit, Tan Tock Seng Hospital, National Health Group, Singapore
| | - Yan Hong Dong
- are with the Alice Lee Centre for Nursing Studies, Yong Loo Lin School of Medicine, National University of Singapore, Singapore.,is with the Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Xian Li Hong
- is with the Medical Intensive Care Unit, Tan Tock Seng Hospital, National Health Group, Singapore
| | - Ya Su
- is with the Shanghai Jiao Tong University, School of Nursing, Shanghai, China.,is with the Faculty of Health Sciences, Hokkaido University, Japan
| | - Xi Vivien Wu
- are with the Alice Lee Centre for Nursing Studies, Yong Loo Lin School of Medicine, National University of Singapore, Singapore.,is with the NUSMED Healthy Longevity Translational Research Programme, National University of Singapore, Singapore
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Zulkifli NA, Hassan Z, Mustafa MZ, Azman WNW, Hadie SNH, Ghani N, Mat Zin AA. The potential neuroprotective effects of stingless bee honey. Front Aging Neurosci 2023; 14:1048028. [PMID: 36846103 PMCID: PMC9945235 DOI: 10.3389/fnagi.2022.1048028] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 12/29/2022] [Indexed: 02/11/2023] Open
Abstract
Tropical Meliponini bees produce stingless bee honey (SBH). Studies have shown beneficial properties, including antibacterial, bacteriostatic, anti-inflammatory, neurotherapeutic, neuroprotective, wound, and sunburn healing capabilities. High phenolic acid and flavonoid concentrations offer SBH its benefits. SBH can include flavonoids, phenolic acids, ascorbic acid, tocopherol, organic acids, amino acids, and protein, depending on its botanical and geographic origins. Ursolic acid, p-coumaric acid, and gallic acid may diminish apoptotic signals in neuronal cells, such as nuclear morphological alterations and DNA fragmentation. Antioxidant activity minimizes reactive oxygen species (ROS) formation and lowers oxidative stress, inhibiting inflammation by decreasing enzymes generated during inflammation. Flavonoids in honey reduce neuroinflammation by decreasing proinflammatory cytokine and free radical production. Phytochemical components in honey, such as luteolin and phenylalanine, may aid neurological problems. A dietary amino acid, phenylalanine, may improve memory by functioning on brain-derived neurotrophic factor (BDNF) pathways. Neurotrophin BDNF binds to its major receptor, TrkB, and stimulates downstream signaling cascades, which are crucial for neurogenesis and synaptic plasticity. Through BDNF, SBH can stimulate synaptic plasticity and synaptogenesis, promoting learning and memory. Moreover, BDNF contributes to the adult brain's lasting structural and functional changes during limbic epileptogenesis by acting through the cognate receptor tyrosine receptor kinase B (TrkB). Given the higher antioxidants activity of SBH than the Apis sp. honey, it may be more therapeutically helpful. There is minimal research on SBH's neuroprotective effects, and the related pathways contribute to it is unclear. More research is needed to elucidate the underlying molecular process of SBH on BDNF/TrkB pathways in producing neuroprotective effects.
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Affiliation(s)
- Nurdarina Ausi Zulkifli
- Department of Pathology, School of Medical Sciences Universiti Sains Malaysia and Hospital Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia
| | - Zurina Hassan
- Centre for Drug Research, Universiti Sains Malaysia, Penang, Malaysia
| | - Mohd Zulkifli Mustafa
- Department of Neuroscience, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia
| | - Wan Norlina Wan Azman
- Department of Chemical Pathology, School of Medical Sciences, Universiti Sains Malaysia and Hospital Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia
| | - Siti Nurma Hanim Hadie
- Department of Anatomy, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia
| | - Nurhafizah Ghani
- Basic and Medical Sciences Unit, School of Dental Sciences, Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia
| | - Anani Aila Mat Zin
- Department of Pathology, School of Medical Sciences Universiti Sains Malaysia and Hospital Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia,*Correspondence: Anani Aila Mat Zin, ✉
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Castaño BL, Silva AA, Hernandez-Velasco LL, Pinheiro APDS, Gibaldi D, Mineo JR, Silva NM, Lannes-Vieira J. Sulfadiazine Plus Pyrimethamine Therapy Reversed Multiple Behavioral and Neurocognitive Changes in Long-Term Chronic Toxoplasmosis by Reducing Brain Cyst Load and Inflammation-Related Alterations. Front Immunol 2022; 13:822567. [PMID: 35572567 PMCID: PMC9091718 DOI: 10.3389/fimmu.2022.822567] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Accepted: 03/28/2022] [Indexed: 11/13/2022] Open
Abstract
Toxoplasma gondii infects one-third of the world population. For decades, it has been considered a silent lifelong infection. However, chronically T. gondii-infected persons may present psychiatric and neurocognitive changes as anxiety, depression, and memory loss. In a model of long-term chronic infection, behavioral alterations parallel neuroinflammation and systemic high cytokine levels, and may reflect brain cyst load. Recent findings support that in chronic infection an active parasite-host interplay involves an immune-mediated control of tissue cysts. Here, we tested the idea that etiological treatment in chronic phase may add advantage to intrinsic immune-mediated cyst control and impact behavioral changes. Thus, we combined sulfadiazine-plus-pyrimethamine (S+P), the first-choice therapy for toxoplasmosis, to study the association of brain cyst load and biological processes related to the immune response (neuroinflammation, blood-brain barrier -BBB- disruption and serum cytokine levels), with behavioral and neurocognitive changes of long-term chronic infection. Female C57BL/6 mice (H-2b) were infected (5 cysts, ME-49 strain) and treated with S+P from 30 to 60 days postinfection (dpi), compared with vehicle (Veh)-treated and noninfected controls. At endpoints (pre-therapy, 30 dpi; S+P therapy, 60 dpi; after ceased therapy, 90 dpi), independent groups were subjected to behavioral tests, and brain tissues and sera were collected. Multiple behavioral and neurocognitive changes were detected in the early (30 dpi) and long-term (60 and 90 dpi) chronic infection. S+P therapy resolved locomotor alterations, anxiety, and depressive-like behavior, partially or transiently ameliorated hyperactivity and habituation memory loss. Analysis after therapy cessation showed that S+P therapy reduced the number of stimuli required for aversive memory consolidation. S+P therapy resulted in reduced brain cyst load, neuroinflammation and BBB disruption, and lowered systemic Th1-cytokine levels. Correlation analysis revealed association between IFNγ, TNF and MCP-1/CCL2 serum levels, brain cyst load and behavioral and neurocognitive alterations. Moreover, principal-component analysis (PCA-2D and 3D projections) highlighted distinction between clusters (noninfected; Veh-treated and S+P-treated infected). Thus, our data suggest that S+P therapy added gain to intrinsic brain cyst control and, direct or indirectly, ameliorated inflammation-related alterations, traits associated with behavioral and neurocognitive alterations.
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Affiliation(s)
- Barrios Leda Castaño
- Laboratory of Biology of the Interactions, Oswaldo Cruz Institute/Fiocruz, Rio de Janeiro, Brazil
| | - Andrea Alice Silva
- Multiuser Laboratory for Research Support in Nephrology and Medical Sciences, Federal University Fluminense, Niterói, Brazil
| | | | | | - Daniel Gibaldi
- Laboratory of Biology of the Interactions, Oswaldo Cruz Institute/Fiocruz, Rio de Janeiro, Brazil
| | - José Roberto Mineo
- Institute of Biomedical Sciences, Federal University of Uberlândia, Uberlândia, Brazil
| | - Neide Maria Silva
- Institute of Biomedical Sciences, Federal University of Uberlândia, Uberlândia, Brazil
| | - Joseli Lannes-Vieira
- Laboratory of Biology of the Interactions, Oswaldo Cruz Institute/Fiocruz, Rio de Janeiro, Brazil
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Buján GE, D'Alessio L, Serra HA, Molina SJ, Guelman LR. Behavioral alterations induced by intermittent ethanol intake and noise exposure in adolescent rats. Eur J Neurosci 2022; 55:1756-1773. [PMID: 35342999 DOI: 10.1111/ejn.15657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 03/04/2022] [Accepted: 03/22/2022] [Indexed: 11/27/2022]
Abstract
Alcohol intake and exposure to noise are common activities of human adolescents performed in entertainment contexts worldwide that can induce behavioral disturbances. Therefore, the aim of the present work was to investigate in an experimental model of adolescent animals whether noise exposure and intermittent ethanol intake, when present individually or sequentially, might be able to modify different behaviors. Adolescent Wistar rats of both sexes were subjected to voluntary intermittent ethanol intake for 1 week followed by exposure to noise for 2 h and tested in a battery of behavioral tasks. Data show that males exposed to noise experienced a deficit in associative memory (AM), increase in anxiety-like behaviors (ALB) and altered reaction to novelty (RN) when compared with sham animals, whereas females also showed an increase in risk assessment behaviors (RAB) and a decrease in exploratory activity (EA). In contrast, ethanol intake induced an increase in RAB and RN in males and females, whereas females also showed a deficit in AM and EA as well as an increase in ALB. When ethanol was ingested before noise exposure, most parameters were counteracted both in male and females, but differed among sexes. In consequence, it could be hypothesized that an environmental acute stressor like noise might trigger a behavioral counteracting induced by a previous repeated exposure to a chemical agent such as ethanol, leading to a compensation of a non-adaptive behavior and reaching a better adjustment to the environment.
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Affiliation(s)
- Gustavo Ezequiel Buján
- Universidad de Buenos Aires. Facultad de Medicina. 1ª Cátedra de Farmacología, Buenos Aires, Argentina
| | - Luciana D'Alessio
- Universidad de Buenos Aires. Facultad de Medicina. 1ª Cátedra de Farmacología, Buenos Aires, Argentina.,Universidad de Buenos Aires. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Biología Celular y Neurociencias (IBCN, UBA-CONICET). Facultad de Medicina, Buenos Aires, Argentina
| | - Héctor Alejandro Serra
- Universidad de Buenos Aires. Facultad de Medicina. 1ª Cátedra de Farmacología, Buenos Aires, Argentina
| | - Sonia Jazmín Molina
- Universidad de Buenos Aires. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Estudios Farmacológicos y Botánicos (CEFyBO, UBA-CONICET). Facultad de Medicina, Buenos Aires, Argentina
| | - Laura Ruth Guelman
- Universidad de Buenos Aires. Facultad de Medicina. 1ª Cátedra de Farmacología, Buenos Aires, Argentina.,Universidad de Buenos Aires. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Estudios Farmacológicos y Botánicos (CEFyBO, UBA-CONICET). Facultad de Medicina, Buenos Aires, Argentina
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Guerreiro G, Faverzani J, Moura AP, Volfart V, Gome Dos Reis B, Sitta A, Gonzalez EA, de Lima Rosa G, Coitinho AS, Baldo G, Wajner M, Vargas CR. Protective effects of L-carnitine on behavioral alterations and neuroinflammation in striatum of glutaryl-COA dehydrogenase deficient mice. Arch Biochem Biophys 2021; 709:108970. [PMID: 34181873 DOI: 10.1016/j.abb.2021.108970] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 06/06/2021] [Accepted: 06/15/2021] [Indexed: 12/18/2022]
Abstract
Glutaric acidemia type 1 (GA1) is caused by glutaryl-CoA dehydrogenase deficiency that leads to a blockage in the metabolic route of the amino acids lysine and tryptophan and subsequent accumulation of glutaric acid (GA), 3-hydroxyglutaric acids and glutarylcarnitine (C5DC). Patients predominantly manifest neurological symptoms, associated with acute striatal degeneration, as well as progressive cortical and striatum injury whose pathogenesis is not yet fully established. Current treatment includes protein/lysine restriction and l-carnitine supplementation of (L-car). The aim of this work was to evaluate behavior parameters and pro-inflammatory factors (cytokines IL-1β, TNF-α and cathepsin-D levels), as well as the anti-inflammatory cytokine IL10 in striatum of knockout mice (Gcdh-/-) and wild type (WT) mice submitted to a normal or a high Lys diet. The potential protective effects of L-car treatment on these parameters were also evaluated. Gcdh-/- mice showed behavioral changes, including lower motor activity (decreased number of crossings) and exploratory activity (reduced number of rearings). Also, Gcdh-/- mice had significantly higher concentrations of glutarylcarnitine (C5DC) in blood and cathepsin-D (CATD), interleukin IL-1β and tumor factor necrosis alpha (TNF-α) in striatum than WT mice. Noteworthy, L-car treatment prevented most behavioral alterations, normalized CATD levels and attenuated IL-1β levels in striatum of Gcdh-/- mice. Finally, IL-1β was positively correlated with CATD and C5DC levels and L-car was negatively correlated with CATD. Our results demonstrate behavioral changes and a pro-inflammatory status in striatum of the animal model of GA1 and, most importantly, L-car showed important protective effects on these alterations.
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Affiliation(s)
- Gilian Guerreiro
- Faculdade de Farmácia, UFRGS, Av. Ipiranga 2752, 90610-000, Porto Alegre, RS, Brazil; Serviço de Genética Médica, HCPA, UFRGS, Rua Ramiro Barcelos, 2350, 90035- 903, Porto Alegre, RS, Brazil.
| | - Jéssica Faverzani
- Faculdade de Farmácia, UFRGS, Av. Ipiranga 2752, 90610-000, Porto Alegre, RS, Brazil; Programa de Pós-Graduação Em Ciências Farmacêuticas, UFRGS, Av. Ipiranga, 2752, 90610-000, Porto Alegre, RS, Brazil
| | - Alana Pimentel Moura
- Serviço de Genética Médica, HCPA, UFRGS, Rua Ramiro Barcelos, 2350, 90035- 903, Porto Alegre, RS, Brazil
| | - Vitoria Volfart
- Faculdade de Farmácia, UFRGS, Av. Ipiranga 2752, 90610-000, Porto Alegre, RS, Brazil
| | - Bianca Gome Dos Reis
- Faculdade de Farmácia, UFRGS, Av. Ipiranga 2752, 90610-000, Porto Alegre, RS, Brazil
| | - Angela Sitta
- Serviço de Genética Médica, HCPA, UFRGS, Rua Ramiro Barcelos, 2350, 90035- 903, Porto Alegre, RS, Brazil
| | - Esteban Alberto Gonzalez
- Programa de Pós-Graduação Em Fisiologia, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, RS, Brazil; Departamento de Microbiologia, Imunologia e Parasitologia, Instituto de Ciências Básicas da Saúde, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, RS, Brazil
| | - Gabriel de Lima Rosa
- Programa de Pós-Graduação Em Fisiologia, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, RS, Brazil; Departamento de Microbiologia, Imunologia e Parasitologia, Instituto de Ciências Básicas da Saúde, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, RS, Brazil
| | - Adriana Simon Coitinho
- Programa de Pós-Graduação Em Fisiologia, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, RS, Brazil; Departamento de Microbiologia, Imunologia e Parasitologia, Instituto de Ciências Básicas da Saúde, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, RS, Brazil
| | - Guilherme Baldo
- Programa de Pós-Graduação Em Fisiologia, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, RS, Brazil; Departamento de Microbiologia, Imunologia e Parasitologia, Instituto de Ciências Básicas da Saúde, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, RS, Brazil
| | - Moacir Wajner
- Serviço de Genética Médica, HCPA, UFRGS, Rua Ramiro Barcelos, 2350, 90035- 903, Porto Alegre, RS, Brazil; Programa de Pós-Graduação Em Ciências Biológicas: Bioquímica, UFRGS, Rua Ramiro Barcelos, 2600, 90035 000, Porto Alegre, RS, Brazil
| | - Carmen Regla Vargas
- Faculdade de Farmácia, UFRGS, Av. Ipiranga 2752, 90610-000, Porto Alegre, RS, Brazil; Serviço de Genética Médica, HCPA, UFRGS, Rua Ramiro Barcelos, 2350, 90035- 903, Porto Alegre, RS, Brazil; Programa de Pós-Graduação Em Ciências Biológicas: Bioquímica, UFRGS, Rua Ramiro Barcelos, 2600, 90035 000, Porto Alegre, RS, Brazil; Programa de Pós-Graduação Em Ciências Farmacêuticas, UFRGS, Av. Ipiranga, 2752, 90610-000, Porto Alegre, RS, Brazil.
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Molina SJ, Lietti ÁE, Carreira Caro CS, Buján GE, Guelman LR. Effects of early noise exposure on hippocampal-dependent behaviors during adolescence in male rats: influence of different housing conditions. Anim Cogn 2021; 25:103-120. [PMID: 34322771 DOI: 10.1007/s10071-021-01540-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 07/13/2021] [Accepted: 07/21/2021] [Indexed: 10/20/2022]
Abstract
Central nervous system (CNS) development is a very complex process that can be altered by environmental stimuli such as noise, which can generate long-term auditory and/or extra-auditory impairments. We have previously reported that early noise exposure can induce hippocampus-related behavioral alterations in postnatal day (PND) 28 adolescent rats. Furthermore, we recently found biochemical modifications in the hippocampus (HC) of these animals that seemed to endure even in more mature animals (i.e. PND35) and that have not been studied along with behavioral correlates. Thus, the aim of this work was to reveal novel data about the effects of early noise exposure on hippocampal-dependent behaviors in more mature animals. Additionally, extended enriched environment (EE) housing was evaluated to determine its capacity to induce behavioral modifications, either by its neuroprotective ability or the greater stimulation that it generates. Male Wistar rats were exposed to different noise schemes at PND7 or PND15. Upon weaning, some animals were transferred to EE whereas others were kept in standard cages. At PND35, different hippocampal-dependent behavioral assessments were performed. Results showed noise-induced behavioral changes that differed according to the scheme and age of exposure used. In addition, housing in an EE was effective either in preventing some of these changes or in inducing the appearance of new behavioral modifications. These findings suggest that CNS development would be sensitive to the effects of different type of environmental stimuli such as noise or enriched housing, leading to maladaptive behavioral changes that last even until adolescence.
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Affiliation(s)
- Sonia Jazmín Molina
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas, Centro de Estudios Farmacológicos y Botánicos (CEFyBO, UBA-CONICET), Facultad de Medicina, Paraguay 2155, Piso 15, 1121, Buenos Aires, Argentina.
| | - Ángel Emanuel Lietti
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas, Centro de Estudios Farmacológicos y Botánicos (CEFyBO, UBA-CONICET), Facultad de Medicina, Paraguay 2155, Piso 15, 1121, Buenos Aires, Argentina
| | - Candela Sofía Carreira Caro
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas, Centro de Estudios Farmacológicos y Botánicos (CEFyBO, UBA-CONICET), Facultad de Medicina, Paraguay 2155, Piso 15, 1121, Buenos Aires, Argentina
| | - Gustavo Ezequiel Buján
- Universidad de Buenos Aires, Facultad de Medicina, 1ª Cátedra de Farmacología, Buenos Aires, Argentina
| | - Laura Ruth Guelman
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas, Centro de Estudios Farmacológicos y Botánicos (CEFyBO, UBA-CONICET), Facultad de Medicina, Paraguay 2155, Piso 15, 1121, Buenos Aires, Argentina.,Universidad de Buenos Aires, Facultad de Medicina, 1ª Cátedra de Farmacología, Buenos Aires, Argentina
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10
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Imran I, Javaid S, Waheed A, Rasool MF, Majeed A, Samad N, Saeed H, Alqahtani F, Ahmed MM, Alaqil FA. Grewia asiatica Berry Juice Diminishes Anxiety, Depression, and Scopolamine-Induced Learning and Memory Impairment in Behavioral Experimental Animal Models. Front Nutr 2021; 7:587367. [PMID: 33521033 PMCID: PMC7844311 DOI: 10.3389/fnut.2020.587367] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2020] [Accepted: 12/01/2020] [Indexed: 12/13/2022] Open
Abstract
Grewia asiatica L. fruit natively called phalsa is a popular berry of Pakistan and widely consumed in the form of fresh juices and carbonated drinks in the summer season. The berry is enriched with antioxidants such as phenols, flavonoids, anthocyanins, and vitamin C. Scientifically, it is the least explored berry in terms of neuromodulatory activities, and therefore, in the designed study, chronically fed rats with the different dilutions (5%-30%) of fruit juice were subjected to behavioral assessment for anxiety, depression, and cognition (spatial memory) followed by biochemical analysis of isolated brains. Results revealed a prominent impact of 20 and 30% dilutions of fruit exudate as treated animals showed anxiolytic behavior to central zone (P < 0.05) of open field test (OFT) and open arms of elevated plus maze (EPM) (P < 0.05) in anxiety models. Overall, immobility of rats treated with a higher concentration of exudate in forced swim test (FST) was reduced (P < 0.05) presenting antidepressant-like activity. Moreover, in learning and memory experimental models, the treated animals reversed scopolamine-induced amnesic effects as evident from improved step-through latencies (P < 0.05 vs. scopolamine; passive avoidance test), spontaneous alternation behavior (P < 0.05 vs. scopolamine; Y-maze test), discrimination index (P < 0.05 vs. scopolamine; novel object recognition test), and escape latencies (P < 0.05 vs. scopolamine; Morris water maze). Biochemical studies of isolated brains from treated rats demonstrated significantly elevated levels of superoxide dismutase and glutathione peroxidase (P < 0.05), whereas levels of acetylcholinesterase and malondialdehyde level (P < 0.05) were reduced, indicating its potential to reduce oxidative damage in the brain and modulation with the cholinergic system. The outcomes of studies support the benefits of phytoconstituents possessed by G. asiatica fruit in the amelioration of neurological disorders that could be due to their antioxidative capacity or due to interaction with GABAergic, serotonergic, and cholinergic systems in the brain.
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Affiliation(s)
- Imran Imran
- Department of Pharmacology, Faculty of Pharmacy, Bahauddin Zakariya University, Multan, Pakistan
| | - Sana Javaid
- Department of Pharmacology, Faculty of Pharmacy, Bahauddin Zakariya University, Multan, Pakistan
- Department of Pharmacy, The Women University, Multan, Pakistan
| | - Aroosa Waheed
- Department of Pharmacology, Faculty of Pharmacy, Bahauddin Zakariya University, Multan, Pakistan
| | - Muhammad Fawad Rasool
- Department of Pharmacy Practice, Faculty of Pharmacy, Bahauddin Zakariya University, Multan, Pakistan
| | - Abdul Majeed
- Department of Pharmacy Practice, Faculty of Pharmacy, Bahauddin Zakariya University, Multan, Pakistan
| | - Noreen Samad
- Department of Biochemistry, Faculty of Science, Bahauddin Zakariya University, Multan, Pakistan
| | - Hamid Saeed
- Section of Pharmaceutics, University College of Pharmacy, University of the Punjab, Lahore, Pakistan
| | - Faleh Alqahtani
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Mohammed M. Ahmed
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Faten Abdullah Alaqil
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
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Tran PH, Tran TT. Blueberry Supplementation in Neuronal Health and Protective Technologies for Efficient Delivery of Blueberry Anthocyanins. Biomolecules 2021; 11:biom11010102. [PMID: 33466731 PMCID: PMC7828789 DOI: 10.3390/biom11010102] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 01/04/2021] [Accepted: 01/12/2021] [Indexed: 12/11/2022] Open
Abstract
Blueberries are consumed as healthy fruits that provide a variety of benefits to the nervous system. Scientists have found that blueberries can be used as a daily edible source for supplementation to prevent and minimize complexities of age-related diseases as well as to improve learning and memory in children. Anthocyanins are the most mentioned compounds among the components in blueberries, as they play a major role in providing the health benefits of this fruit. However, while they are highly active in impeding biological impairment in neuronal functions, they have poor bioavailability. This review focuses on neurological investigations of blueberries from in vitro cell studies to in vivo studies, including animal and human studies, with respect to their positive outcomes of neuroprotection and intervention in neurodegenerative conditions. Readers will also find information on the bioavailability of anthocyanins and the considerable factors affecting them so that they can make informed decisions regarding the daily consumption of blueberries. In this context, the ways in which blueberries or blueberry supplementation forms are consumed and which of these forms is best for maximizing the health benefits of blueberries should be considered important decision-making factors in the consumption of blueberries; all of these aspects are covered in this review. Finally, we discuss recent technologies that have been employed to improve the bioavailability of blueberry anthocyanins in the development of effective delivery vehicles supporting brain health.
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Affiliation(s)
- Phuong H.L. Tran
- Deakin University, School of Medicine, IMPACT, Institute for Innovation in Physical and Mental Health and Clinical Translation, Geelong, Australia;
| | - Thao T.D. Tran
- Institute of Research and Development, Duy Tan University, Danang 550000, Vietnam
- The Faculty of Pharmacy, Duy Tan University, Danang 550000, Vietnam
- Correspondence:
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Vilar-Pereira G, Castaño Barrios L, da Silva AA, Martins Batista A, Resende Pereira I, Cruz Moreira O, Britto C, Mata dos Santos HA, Lannes-Vieira J. Memory impairment in chronic experimental Chagas disease: Benznidazole therapy reversed cognitive deficit in association with reduction of parasite load and oxidative stress in the nervous tissue. PLoS One 2021; 16:e0244710. [PMID: 33400707 PMCID: PMC7785227 DOI: 10.1371/journal.pone.0244710] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Accepted: 12/15/2020] [Indexed: 01/04/2023] Open
Abstract
Memory impairment has been associated with chronic Chagas disease (CD), a neglected tropical disease caused by the protozoan parasite Trypanosoma cruzi. In degenerative diseases, memory loss has been associated with increased oxidative stress, revealed as enhanced lipid peroxidation, in the cerebral cortex. Benznidazole (Bz), a trypanocidal drug efficient to reduce blood parasite load in the acute and chronic phases of infection, showed controversial effects on heart disease progression, the main clinical manifestation of CD. Here, we evaluated whether C57BL/6 mice infected with the Colombian type I T. cruzi strain present memory deficit assessed by (i) the novel object recognition task, (ii) the open field test and (iii) the aversive shock evoked test, at 120 days post infection (dpi). Next, we tested the effects of Bz therapy (25mg/Kg/day, for 30 consecutive days) on memory evocation, and tried to establish a relation between memory loss, parasite load and oxidative stress in the central nervous system (CNS). At 120 dpi, T. cruzi-infected mice showed memory impairment, compared with age-matched non-infected controls. Bz therapy (from 120 to 150 dpi) hampered the progression of habituation and aversive memory loss and, moreover, reversed memory impairment in object recognition. In vehicle-administered infected mice, neuroinflammation was absent albeit rare perivascular mononuclear cells were found in meninges and choroid plexus. Bz therapy abrogated the infiltration of the CNS by inflammatory cells, and reduced parasite load in hippocampus and cerebral cortex. At 120 and 150 dpi, lipid peroxidation was increased in the hippocampus and cortex tissue extracts. Notably, Bz therapy reduced levels of lipid peroxidation in the cerebral cortex. Therefore, in experimental chronic T. cruzi infection Bz therapy improved memory loss, in association with reduction of parasite load and oxidative stress in the CNS, providing a new perspective to improve the quality of life of Chagas disease patients.
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Affiliation(s)
- Glaucia Vilar-Pereira
- Laboratório de Biologia das Interações, Instituto Oswaldo Cruz/Fiocruz, Rio de Janeiro, RJ, Brazil
| | - Leda Castaño Barrios
- Laboratório de Biologia das Interações, Instituto Oswaldo Cruz/Fiocruz, Rio de Janeiro, RJ, Brazil
| | - Andrea Alice da Silva
- Laboratório Multiusuário de Apoio à Pesquisa em Nefrologia e Ciências Médicas, Departamento de Patologia, Faculdade de Medicina, Universidade Federal Fluminense, Niterói, RJ, Brazil
| | - Angelica Martins Batista
- Laboratório de Biologia das Interações, Instituto Oswaldo Cruz/Fiocruz, Rio de Janeiro, RJ, Brazil
| | - Isabela Resende Pereira
- Laboratório de Biologia das Interações, Instituto Oswaldo Cruz/Fiocruz, Rio de Janeiro, RJ, Brazil
| | - Otacílio Cruz Moreira
- Laboratório de Biologia Molecular e Doenças Endêmicas, IOC/Fiocruz, Rio de Janeiro, RJ, Brazil
| | - Constança Britto
- Laboratório de Biologia Molecular e Doenças Endêmicas, IOC/Fiocruz, Rio de Janeiro, RJ, Brazil
| | - Hílton Antônio Mata dos Santos
- Faculdade de Farmácia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
- Laboratório de Análise e Desenvolvimento de Inibidores Enzimáticos e Laboratório Multiusuário de Análises por RMN, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Joseli Lannes-Vieira
- Laboratório de Biologia das Interações, Instituto Oswaldo Cruz/Fiocruz, Rio de Janeiro, RJ, Brazil
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The Microbiota-Gut-Brain Axis and Alzheimer's Disease: Neuroinflammation Is to Blame? Nutrients 2020; 13:nu13010037. [PMID: 33374235 PMCID: PMC7824474 DOI: 10.3390/nu13010037] [Citation(s) in RCA: 120] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 12/20/2020] [Accepted: 12/22/2020] [Indexed: 02/06/2023] Open
Abstract
For years, it has been reported that Alzheimer’s disease (AD) is the most common cause of dementia. Various external and internal factors may contribute to the early onset of AD. This review highlights a contribution of the disturbances in the microbiota–gut–brain (MGB) axis to the development of AD. Alteration in the gut microbiota composition is determined by increase in the permeability of the gut barrier and immune cell activation, leading to impairment in the blood–brain barrier function that promotes neuroinflammation, neuronal loss, neural injury, and ultimately AD. Numerous studies have shown that the gut microbiota plays a crucial role in brain function and changes in the behavior of individuals and the formation of bacterial amyloids. Lipopolysaccharides and bacterial amyloids synthesized by the gut microbiota can trigger the immune cells residing in the brain and can activate the immune response leading to neuroinflammation. Growing experimental and clinical data indicate the prominent role of gut dysbiosis and microbiota–host interactions in AD. Modulation of the gut microbiota with antibiotics or probiotic supplementation may create new preventive and therapeutic options in AD. Accumulating evidences affirm that research on MGB involvement in AD is necessary for new treatment targets and therapies for AD.
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Rafael FD, Isidro VM, Héctor-Gabriel AM, Abraham PO, Yolanda CU, Tania RG, Rosa-Isela GG, Lorena PC, Socorro HM. Berry Supplementation and Their Beneficial Effects on Some Central Nervous System Disorders. BEHAVIORAL PHARMACOLOGY - FROM BASIC TO CLINICAL RESEARCH 2020. [DOI: 10.5772/intechopen.90428] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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da Silva MD, Guginski G, Sato KL, Sanada LS, Sluka KA, Santos AR. Persistent pain induces mood problems and memory loss by the involvement of cytokines, growth factors, and supraspinal glial cells. Brain Behav Immun Health 2020; 7:100118. [PMID: 34589875 PMCID: PMC8474185 DOI: 10.1016/j.bbih.2020.100118] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Revised: 07/20/2020] [Accepted: 07/23/2020] [Indexed: 12/27/2022] Open
Abstract
Lesions of peripheral nerves lead to pain, hyperalgesia, and psychological comorbidities. However, the relationship between mood disorders and neuropathic pain is unclear, as well as the underlying mechanisms related to these disorders. Therefore, we investigated if nerve injury induces depression, anxiety, and cognitive impairment and if there were changes in cytokines, growth factors, and glial cell activation in cortical sites involved in processing pain and mood in animals with nerve injury. Nerve injury was induced by partial sciatic nerve ligation (PSNL) in male Swiss mice and compared to sham-operated animals. Nociceptive behavioral tests to mechanical and thermal (heat and cold) stimuli confirmed the development of hyperalgesia. We further examined mood disorders and memory behaviors. We show nerve injury induces a decrease in mechanical withdrawal thresholds and thermal latency to heat and cold. We also show that nerve injury causes depressive-like and anxiety-like behaviors as well as impairment in short-term memory in mice. There were increases in proinflammatory cytokines as well as Brain-Derived Neurotrophic Factor (BDNF) in the injured nerve. In the spinal cord, there were increases in both pro and anti-inflammatory cytokines, as well as of BDNF and Nerve Growth Factor (NGF). Further, in our data was a decrease in the density of microglia and astrocytes in the hippocampus and increased microglial density in the prefrontal cortex, areas associated with neuropathic pain conditions.
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Affiliation(s)
- Morgana D. da Silva
- Laboratory of Neurobiology of Pain and Inflammation, Department of Physiological Sciences, Center for Biological Sciences, Federal University of Santa Catarina, University Campus, Trindade, Florianópolis, SC, 88040-900, Brazil
- Program of Pos-graduation in Neuroscience, Federal University of Santa Catarina, University Campus, Trindade, Florianópolis, SC, 88040-900, Brazil
| | - Giselle Guginski
- Department of Pharmacology, Center of Biological Sciences, Federal University of Santa Catarina, University Campus, Trindade, Florianópolis, SC, 88040-900, Brazil
| | - Karina L. Sato
- Department of Physical Therapy and Rehabilitation Science, Pain Research Program, University of Iowa, #1-252 MEB, Iowa City, IA, 52241, USA
| | - Luciana Sayuri Sanada
- Department of Physical Therapy and Rehabilitation Science, Pain Research Program, University of Iowa, #1-252 MEB, Iowa City, IA, 52241, USA
| | - Kathleen A. Sluka
- Department of Physical Therapy and Rehabilitation Science, Pain Research Program, University of Iowa, #1-252 MEB, Iowa City, IA, 52241, USA
| | - Adair R.S. Santos
- Laboratory of Neurobiology of Pain and Inflammation, Department of Physiological Sciences, Center for Biological Sciences, Federal University of Santa Catarina, University Campus, Trindade, Florianópolis, SC, 88040-900, Brazil
- Program of Pos-graduation in Neuroscience, Federal University of Santa Catarina, University Campus, Trindade, Florianópolis, SC, 88040-900, Brazil
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16
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Howes MR, Perry NS, Vásquez‐Londoño C, Perry EK. Role of phytochemicals as nutraceuticals for cognitive functions affected in ageing. Br J Pharmacol 2020; 177:1294-1315. [PMID: 31650528 PMCID: PMC7056459 DOI: 10.1111/bph.14898] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 09/27/2019] [Accepted: 10/03/2019] [Indexed: 02/06/2023] Open
Abstract
Cognitive decline can occur with normal ageing and in age-related brain disorders, such as mild cognitive impairment and dementia, including Alzheimer's disease, with limited pharmacological therapies available. Other approaches to reduce cognitive decline are urgently needed, and so, the role of dietary interventions or nutraceuticals has received much attention in this respect. In this review, we examine the evidence for dietary plants and their chemical constituents as nutraceuticals, relevant to both cognitive decline in normal ageing and in dementia. Pharmacological (in vitro and in vivo), clinical and epidemiological evidence is assessed for both frequently consumed plants and their dietary forms, including tea, coffee, cocoa (chocolate), red wine, grapes, citrus and other fruits; in addition to plants used less frequently in certain diets and those that cross the blurred boundaries between foods, nutraceuticals and medicinal plants. For the latter, turmeric, saffron, sage, rosemary and lemon balm are examples of those discussed. LINKED ARTICLES: This article is part of a themed section on The Pharmacology of Nutraceuticals. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v177.6/issuetoc.
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Affiliation(s)
- Melanie‐Jayne R. Howes
- Natural Capital and Plant Health DepartmentRoyal Botanic Gardens, KewSurreyUK
- Institute of Pharmaceutical ScienceKing's College LondonLondonUK
| | | | | | - Elaine K. Perry
- Dilston Physic GardenCorbridgeUK
- Institute for Ageing and HealthNewcastle UniversityNewcastle upon TyneUK
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Molina SJ, Buján GE, Rodriguez Gonzalez M, Capani F, Gómez-Casati ME, Guelman LR. Exposure of Developing Male Rats to One or Multiple Noise Sessions and Different Housing Conditions: Hippocampal Thioredoxin Changes and Behavioral Alterations. Front Behav Neurosci 2019; 13:182. [PMID: 31456671 PMCID: PMC6700388 DOI: 10.3389/fnbeh.2019.00182] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Accepted: 07/23/2019] [Indexed: 01/21/2023] Open
Abstract
Exposure of developing rats to noise has shown to induce hippocampal-related behavioral alterations that were prevented after a week of housing in an enriched environment. However, neither the effect of repeated exposures nor its impact on key endogenous antioxidants had been studied yet. Thus, the aim of the present work was to reveal novel data about hippocampal oxidative state through the measurement of possible age-related differences in the levels of hippocampal thioredoxins in rats exposed to noise at different developmental ages and subjected to different schemes and housing conditions. In addition, the possibility that oxidative changes could underlie hippocampal-related behavioral changes was also analyzed. Developing male Wistar rats were exposed to noise for 2 h, either once or for 5 days. Upon weaning, some animals were transferred to an enriched cage for 1 week, whereas others were kept in standard cages. One week later, auditory and behavioral assessments, as well as measurement of hippocampal thioredoxin, were performed. Whereas no changes in the auditory function were observed, significant behavioral differences were found, that varied according to the age, scheme of exposure and housing condition. In addition, a significant increase in Trx-1 levels was found in all noise-exposed groups housed in standard cages. Housing animals in an enriched environment for 1 week was effective in preventing most of these changes. These findings suggest that animals become less susceptible to undergo behavioral alterations after repeated exposure to an environmental challenge, probably due to the ability of adaptation to an unfavorable condition. Moreover, it could be hypothesized that damage to younger individuals could be more easily prevented by a housing manipulation.
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Affiliation(s)
- Sonia Jazmín Molina
- Centro de Estudios Farmacológicos y Botánicos (CEFyBO, UBA-CONICET), Facultad de Medicina, Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Gustavo Ezequiel Buján
- Centro de Estudios Farmacológicos y Botánicos (CEFyBO, UBA-CONICET), Facultad de Medicina, Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad de Buenos Aires, Buenos Aires, Argentina
- Facultad de Medicina, Cátedra de Farmacología, Universidad de Buenos Aires, Buenos Aires, Argentina
| | | | - Francisco Capani
- Consejo Nacional de Investigaciones Científicas y Técnicas, Instituto de Investigaciones Cardiológicas (ININCA, UBA-CONICET), Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
- Instituto de Ciencias Biomédicas, Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, Santiago de Chile, Chile
| | | | - Laura Ruth Guelman
- Centro de Estudios Farmacológicos y Botánicos (CEFyBO, UBA-CONICET), Facultad de Medicina, Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad de Buenos Aires, Buenos Aires, Argentina
- Facultad de Medicina, Cátedra de Farmacología, Universidad de Buenos Aires, Buenos Aires, Argentina
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18
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Flanagan E, Müller M, Hornberger M, Vauzour D. Impact of Flavonoids on Cellular and Molecular Mechanisms Underlying Age-Related Cognitive Decline and Neurodegeneration. Curr Nutr Rep 2019; 7:49-57. [PMID: 29892788 PMCID: PMC5960493 DOI: 10.1007/s13668-018-0226-1] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Purpose of Review This review summarises the most recent evidence regarding the effects of dietary flavonoids on age-related cognitive decline and neurodegenerative diseases. Recent Findings Recent evidence indicates that plant-derived flavonoids may exert powerful actions on mammalian cognition and protect against the development of age-related cognitive decline and pathological neurodegeneration. The neuroprotective effects of flavonoids have been suggested to be due to interactions with the cellular and molecular architecture of brain regions responsible for memory. Summary Mechanisms for the beneficial effects of flavonoids on age-related cognitive decline and dementia are discussed, including modulating signalling pathways critical in controlling synaptic plasticity, reducing neuroinflammation, promoting vascular effects capable of stimulating new nerve cell growth in the hippocampus, bidirectional interactions with gut microbiota and attenuating the extracellular accumulation of pathological proteins. These processes are known to be important in maintaining optimal neuronal function and preventing age-related cognitive decline and neurodegeneration.
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Affiliation(s)
- Emma Flanagan
- Norwich Medical School, Faculty of Medicine and Health Sciences, University of East Anglia, Norwich, NR4 7UQ, UK
| | - Michael Müller
- Norwich Medical School, Faculty of Medicine and Health Sciences, University of East Anglia, Norwich, NR4 7UQ, UK
| | - Michael Hornberger
- Norwich Medical School, Faculty of Medicine and Health Sciences, University of East Anglia, Norwich, NR4 7UQ, UK
| | - David Vauzour
- Norwich Medical School, Faculty of Medicine and Health Sciences, University of East Anglia, Norwich, NR4 7UQ, UK.
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Fernández-Demeneghi R, Rodríguez-Landa JF, Guzmán-Gerónimo RI, Acosta-Mesa HG, Meza-Alvarado E, Vargas-Moreno I, Herrera-Meza S. Effect of blackberry juice ( Rubus fruticosus L.) on anxiety-like behaviour in Wistar rats. Int J Food Sci Nutr 2019; 70:856-867. [PMID: 30892114 DOI: 10.1080/09637486.2019.1580680] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
The present study evaluated the effects of blackberry juice that is rich in different concentrations of anthocyanins and polyphenols (2.6 mg/kg anthocyanins, 14.57 mg/kg polyphenols; 5.83 mg/kg anthocyanins, 27.10 mg/kg polyphenols; 10.57 mg/kg anthocyanins, 38.40 mg/kg polyphenols) on anxiety-like behaviour in Wistar rats. The rats were treated with blackberry juice for 21 days and then tested in the elevated plus maze, locomotor activity test and forced swim test. The results were compared with a reference anxiolytic drug diazepam (2.0 mg/kg) and vehicle (8.7 ml/kg). The intermediate dose of blackberry juice exerted an anxiolytic-like effect that was similar to diazepam, without affecting locomotive activity. The low and high doses of blackberry juice exerted no significant effects on anxiety-like behaviour compared with vehicle. In the forced swim test, both the high and intermediate doses of blackberry juice reduced total immobility time, suggesting a protective effect against behavioural changes that are induced by acute stress. These findings suggest a potential therapeutic effect of blackberry juice on anxiety that is associated with a stressful event.
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Abstract
Wine, and specifically red wine, is a beverage with a great chemical complexity comprising a particular combination of phenolic compounds which are directly associated with its health-promoting properties. Wine polyphenols could induce changes in the composition of intestinal microbiota that would affect the production of physiologically active phenolic metabolites modifying the content and phenolic profile at the systemic level. In addition, in the human population, it seems that different “metabotypes”, or patterns of metabolizing wine polyphenols, exist, which would be reflected in the different biological fluids (i.e., plasma, urine and feces) and tissues of the human body. Moreover, wine polyphenols might change the composition of oral microbiota by an antimicrobial action and/or by inhibition of the adhesion of pathogens to oral cells, thus contributing to the maintenance of oral health. In turn, polyphenols and/or its metabolites could have a direct action on brain function, by positively affecting signaling routes involved in stress-induced neuronal response, as well as by preventing neuroticism-like disorders (i.e., anxiety and depression) through anti-inflammatory and epigenetic mechanisms. All of this would condition the positive effects on health derived from moderate wine consumption. This paper reviews all these topics, which are directly related with the effects of wine polyphenols at both digestive and brain level. Further progresses expected in the coming years in these fields are also discussed.
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Maulik M, Mitra S, Hunter S, Hunstiger M, Oliver SR, Bult-Ito A, Taylor BE. Sir-2.1 mediated attenuation of α-synuclein expression by Alaskan bog blueberry polyphenols in a transgenic model of Caenorhabditis elegans. Sci Rep 2018; 8:10216. [PMID: 29976995 PMCID: PMC6033853 DOI: 10.1038/s41598-018-26905-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Accepted: 05/22/2018] [Indexed: 01/22/2023] Open
Abstract
Misfolding and accumulation of cellular protein aggregates are pathological hallmarks of aging and neurodegeneration. One such protein is α-synuclein, which when misfolded, forms aggregates and disrupts normal cellular functions of the neurons causing Parkinson's disease. Nutritional interventions abundant in pharmacologically potent polyphenols have demonstrated a therapeutic role for combating protein aggregation associated with neurodegeneration. The current study hypothesized that Alaskan bog blueberry (Vaccinum uliginosum), which is high in polyphenolic content, will reduce α-synuclein expression in a model of Caenorhabditis elegans (C. elegans). We observed that blueberry extracts attenuated α-synuclein protein expression, improved healthspan in the form of motility and restored lipid content in the transgenic strain of C. elegans expressing human α-synuclein. We also found reduced gene expression levels of sir-2.1 (ortholog of mammalian Sirtuin 1) in blueberry treated transgenic animals indicating that the beneficial effects of blueberries could be mediated through partial reduction of sirtuin activity. This therapeutic effect of the blueberries was attributed to its xenohormetic properties. The current results highlight the role of Alaskan blueberries in mediating inhibition of sir-2.1 as a novel therapeutic approach to improving pathologies of protein misfolding diseases. Finally, our study warrants further investigation of the structure, and specificity of such small molecules from indigenous natural compounds and its role as sirtuin regulators.
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Affiliation(s)
- Malabika Maulik
- Department of Chemistry and Biochemistry, University of Alaska Fairbanks, Fairbanks, AK, USA.
| | - Swarup Mitra
- Department of Chemistry and Biochemistry, University of Alaska Fairbanks, Fairbanks, AK, USA
- Department of Pharmacology and Toxicology, The Research Institution on Addictions, The State University of New York at Buffalo, Buffalo, NY, USA
| | - Skyler Hunter
- Department of Biology and Wildlife, University of Alaska Fairbanks, Fairbanks, AK, USA
| | - Moriah Hunstiger
- Department of Chemistry and Biochemistry, University of Alaska Fairbanks, Fairbanks, AK, USA
| | - S Ryan Oliver
- Department of Chemistry and Biochemistry, University of Alaska Fairbanks, Fairbanks, AK, USA
| | - Abel Bult-Ito
- Department of Biology and Wildlife, University of Alaska Fairbanks, Fairbanks, AK, USA
| | - Barbara E Taylor
- Department of Biological Sciences and College of Natural Sciences and Mathematics, California State University, Long Beach, Long Beach, CA, USA.
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Traupe I, Giacalone M, Agrimi J, Baroncini M, Pomé A, Fabiani D, Danti S, Timpano Sportiello MR, Di Sacco F, Lionetti V, Giunta F, Forfori F. Postoperative cognitive dysfunction and short-term neuroprotection from blueberries: a pilot study. Minerva Anestesiol 2018; 84:1352-1360. [PMID: 29856175 DOI: 10.23736/s0375-9393.18.12333-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND General anesthesia may be a risk factor for post-operative cognitive impairment, which could be counteracted by neuroprotective compounds. The aims of this study were to determine cognitive functions impaired by general anesthesia and to test blueberry juice as a neuroprotective agent against neuropsychological dysfunctions induced by general anesthesia. METHODS Twenty-six patients undergoing elective major surgery were randomized into two groups, receiving either 500 mL/day of blueberry juice within 14 preoperative days (G1) or to a control group (G0). Neuropsychological tests were performed around 20 days before surgery (T0), as well as both three hours (T1) and 24 hours (T2) after surgery. All the scores were statistically analyzed to find significant differences between groups and within the three times. RESULTS The control (G0) group showed a significant decrease in the performance in the Prose Memory Test (P<0.001), the Attentional Matrices Test (P<0.01), and the Trail Making Test Part B (P<0.01) after general anesthesia. Significant differences were reported in the Prose Memory test, T0 versus T1 (P<0.01), T0 versus T2 (P<0.001); in the Trail Making Test Part B, T0 versus T2 (P<0.01); and the Attentional Matrices test, and T0 versus T2 (P<0.001). The G1 group did not show any decrease in the performance of the three tests. CONCLUSIONS General anesthesia induces a short-term impairment of verbal memory and selective and divided attention. Blueberry compounds may prevent these neuropsychological deficits through a neuroprotective action in patients undergoing general anesthesia.
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Affiliation(s)
- Ippolito Traupe
- Department of Anesthesia, Montebelluna Hospital, Treviso, Italy
| | | | - Jacopo Agrimi
- Life Science Institute, Sant'Anna School of Advanced Studies, Pisa, Italy
| | | | - Antonella Pomé
- Department of Neuroscience, Psychology, Pharmacology, and Child Health, University of Florence, Florence, Italy
| | - Deborah Fabiani
- Società degli Psicologi dell'Area Neuropsicologica, Lurago d'Erba, Como, Italy
| | - Sabrina Danti
- Department of Surgery, Medical, Molecular and Critical area Pathology, University of Pisa, Pisa, Italy
| | - Marco R Timpano Sportiello
- Department of Psychiatry, Neurobiology, Pharmacology, and Biotechnologies, University of Pisa, Pisa, Italy.,Laboratory of Clinic Neuropsychology, Hospital Psychology Service, Pisa, Italy
| | - Filippo Di Sacco
- Life Science Institute, Sant'Anna School of Advanced Studies, Pisa, Italy.,Department of Anesthesia and Resuscitation, Pisa University Hospital, University of Pisa, Pisa, Italy
| | | | - Francesco Giunta
- Department of Anesthesia and Intensive Care, Pisa University Hospital, University of Pisa, Pisa, Italy
| | - Francesco Forfori
- Department of Anesthesia and Intensive Care, Pisa University Hospital, University of Pisa, Pisa, Italy
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Herrera MI, Udovin LD, Toro-Urrego N, Kusnier CF, Luaces JP, Capani F. Palmitoylethanolamide Ameliorates Hippocampal Damage and Behavioral Dysfunction After Perinatal Asphyxia in the Immature Rat Brain. Front Neurosci 2018; 12:145. [PMID: 29662433 PMCID: PMC5890174 DOI: 10.3389/fnins.2018.00145] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Accepted: 02/22/2018] [Indexed: 12/19/2022] Open
Abstract
Perinatal asphyxia (PA) is an obstetric complication associated with an impaired gas exchange. This health problem continues to be a determinant of neonatal mortality and neurodevelopmental disorders. Palmitoylethanolamide (PEA) has exerted neuroprotection in several models of brain injury and neurodegeneration. We aimed at evaluating the potential neuroprotective role of PEA in an experimental model, which induces PA in the immature rat brain. PA was induced by placing Sprague Dawley newborn rats in a water bath at 37°C for 19 min. Once their physiological conditions improved, they were given to surrogate mothers that had delivered normally within the last 24 h. The control group was represented by non-fostered vaginally delivered pups, mimicking the clinical situation. Treatment with PEA (10 mg/kg) was administered within the first hour of life. Modifications in the hippocampus were analyzed with conventional electron microscopy, immunohistochemistry (for NeuN, pNF-H/M, MAP-2, and GFAP) and western blot (for pNF H/M, MAP-2, and GFAP). Behavior was also studied throughout Open Field (OF) Test, Passive Avoidance (PA) Task and Elevated Plus Maze (EPM) Test. After 1 month of the PA insult, we observed neuronal nucleus degeneration in CA1 using electron microscopy. Immunohistochemistry revealed a significant increase in pNF-H/M and decrease in MAP-2 in CA1 reactive area. These changes were also observed when analyzing the level of expression of these markers by western blot. Vertical exploration impairments and anxiety-related behaviors were encountered in the OF and EPM tests. PEA treatment attenuated PA-induced hippocampal damage and its corresponding behavioral alterations. These results contribute to the elucidation of PEA neuroprotective role after PA and the future establishment of therapeutic strategies for the developing brain.
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Affiliation(s)
- María I Herrera
- Centro de Investigaciones en Psicología y Psicopedagogía, Facultad de Psicología, Universidad Católica Argentina, Buenos Aires, Argentina.,Instituto de Investigaciones Cardiológicas, Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Lucas D Udovin
- Instituto de Investigaciones Cardiológicas, Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Nicolás Toro-Urrego
- Instituto de Investigaciones Cardiológicas, Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Carlos F Kusnier
- Instituto de Investigaciones Cardiológicas, Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Juan P Luaces
- Instituto de Investigaciones Cardiológicas, Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Francisco Capani
- Instituto de Investigaciones Cardiológicas, Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina.,Facultad de Medicina, Universidad Católica Argentina, Buenos Aires, Argentina.,Universidad Autónoma de Chile, Santiago de Chile, Chile
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24
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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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25
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Zhan W, Liao X, Xie RJ, Tian T, Yu L, Liu X, Liu J, Li P, Han B, Yang T, Zhang B, Cai LJ, Li R, Yang Q. The effects of blueberry anthocyanins on histone acetylation in rat liver fibrosis. Oncotarget 2017; 8:96761-96773. [PMID: 29228569 PMCID: PMC5722521 DOI: 10.18632/oncotarget.17842] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Accepted: 04/17/2017] [Indexed: 12/26/2022] Open
Abstract
To determine the effects ofanthocyanins from blueberries on hepatic stellate cell (HSCs-T6) and on histone acetylation during liver fibrosis induced by CCl4 in rats. Fifty male SD rats weighing 180 ± 20g were randomly placed into a control group, a hepatic fibrosis group, a blueberry treatment group, a blueberry intervention group, and a natural recovery group. After the rats were sacrificed, the livers and the liver indexes were measured, and the pathological changes were observed by HE staining and Masson staining. The blood was analyzed for the four indexes of liver fibrosis and liver function; nucleoprotein from liver tissues and karyoplasm were isolated to determine the expression of acH3K9, acH3K14, and acH3K18 by Western blotting. Compared with the lethal rate of the control group, the median lethal rate of HSCs-T6 cells treated with a the 50μmol/L concentration was 66.94% (P < 0.05). The protein expression on α-SMA, type I collagen, TIMP1 significantly decreased (P < 0.05) following treatment with 50 ug/ml of anthocyanin for 36 h; moreover, the expression of acH3K9, acH3K14 and acH3K18 modification were up-regulated (P < 0.05). Furthermore, compared with the liver in the model group, the liver in the intervention group showed the most obvious improvement (P < 0.01), and its karyoplasm had increased expression of acH3K9, acH3K14 and acH3K18 (P<0.01). Regulating histone acetylation could improve liver function and liver fibrosis indexes in rats with hepatic fibrosis. The mechanism might be related to certain genes that promote apoptosis, so as to inhibit the effect of anti hepatic fibrosis.
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Affiliation(s)
- Wei Zhan
- General Surgery of The Affiliated Hospital of Guizhou Medical University, Guiyang 550004, Guizhou Province, China
| | - Xin Liao
- Imaging Department of The Affiliated Hospital of Guizhou Medical University, Guiyang 550004, Guizhou Province, China
| | - Ru-Jia Xie
- Department of Physiology of The Guizhou Medical University, Guiyang 550004, Guizhou Province, China
| | - Tian Tian
- Department of Physiology of The Guizhou Medical University, Guiyang 550004, Guizhou Province, China
| | - Lei Yu
- Department of Physiology of The Guizhou Medical University, Guiyang 550004, Guizhou Province, China
| | - Xing Liu
- Department of Physiology of The Guizhou Medical University, Guiyang 550004, Guizhou Province, China
| | - Jing Liu
- Imaging Department of The Affiliated Hospital of Guizhou Medical University, Guiyang 550004, Guizhou Province, China
| | - Po Li
- Department of Pathology of The Affiliated Hospital of Guizhou Medical University, Guiyang 550004, Guizhou Province, China
| | - Bing Han
- Department of Physiology of The Guizhou Medical University, Guiyang 550004, Guizhou Province, China
| | - Ting Yang
- Department of Physiology of The Guizhou Medical University, Guiyang 550004, Guizhou Province, China
| | - Bei Zhang
- Ultrasonic Center of The Affiliated Hospital of Guizhou Medical University, Guiyang 550004, Guizhou Province, China
| | - Li-Jun Cai
- Department of Neurology of The Affiliated Hospital of Guizhou Medical University, Guiyang 550004, Guizhou Province, China
| | - Rui Li
- Department of Neurology of The Affiliated Hospital of Guizhou Medical University, Guiyang 550004, Guizhou Province, China
| | - Qin Yang
- Department of Physiology of The Guizhou Medical University, Guiyang 550004, Guizhou Province, China
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Miceli M, Molina SJ, Forcada A, Acosta GB, Guelman LR. Voluntary alcohol intake after noise exposure in adolescent rats: Hippocampal-related behavioral alterations. Brain Res 2017; 1679:10-18. [PMID: 29113737 DOI: 10.1016/j.brainres.2017.11.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Revised: 10/25/2017] [Accepted: 11/01/2017] [Indexed: 11/16/2022]
Abstract
Different physical or chemical agents, such as noise or alcohol, can induce diverse behavioral and biochemical alterations. Considering the high probability of young people to undergo consecutive or simultaneous exposures, the aim of the present work was to investigate in an animal model if noise exposure at early adolescence could induce hippocampal-related behavioral changes that might be modified after alcohol intake. Male Wistar rats (28-days-old) were exposed to noise (95-97 dB, 2 h). Afterwards, animals were allowed to voluntarily drink alcohol (10% ethanol in tap water) for three consecutive days, using the two-bottle free choice paradigm. After that, hippocampal-related memory and anxiety-like behavior tests were performed. Results show that whereas noise-exposed rats presented deficits in habituation memory, those who drank alcohol exhibited impairments in associative memory and anxiety-like behaviors. In contrast, exposure to noise followed by alcohol intake showed increases in exploratory and locomotor activities as well as in anxiety-like behaviors, unlike what was observed using each agent separately. Finally, lower levels of alcohol intake were measured in these animals when compared with those that drank alcohol and were not exposed to noise. Present findings demonstrate that exposure to physical and chemical challenges during early adolescence might induce behavioral alterations that could differ depending on the schedule used, suggesting a high vulnerability of rat developing brain to these socially relevant agents.
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Affiliation(s)
- M Miceli
- Universidad de Buenos Aires, Facultad de Medicina, 1ª Cátedra de Farmacología, Buenos Aires, Argentina
| | - S J Molina
- Consejo Nacional de Investigaciones Científicas y Técnicas-Universidad de Buenos Aires, Centro de Estudios Farmacológicos y Botánicos (CEFyBO, UBA-CONICET), Buenos Aires, Argentina
| | - A Forcada
- Universidad de Buenos Aires, Facultad de Medicina, 1ª Cátedra de Farmacología, Buenos Aires, Argentina
| | - G B Acosta
- Consejo Nacional de Investigaciones Científicas y Técnicas-Universidad de Buenos Aires, Instituto de Investigaciones Farmacológicas (ININFA, UBA-CONICET), Buenos Aires, Argentina
| | - L R Guelman
- Universidad de Buenos Aires, Facultad de Medicina, 1ª Cátedra de Farmacología, Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas-Universidad de Buenos Aires, Centro de Estudios Farmacológicos y Botánicos (CEFyBO, UBA-CONICET), Buenos Aires, Argentina.
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Haskell-Ramsay CF, Stuart RC, Okello EJ, Watson AW. Cognitive and mood improvements following acute supplementation with purple grape juice in healthy young adults. Eur J Nutr 2017; 56:2621-2631. [PMID: 28429081 PMCID: PMC5682870 DOI: 10.1007/s00394-017-1454-7] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2016] [Accepted: 04/11/2017] [Indexed: 11/11/2022]
Abstract
Purpose Berry-derived phenolic compounds found in grapes have been associated with a number of health benefits, including the augmentation of human brain function and cognition. Previous intervention studies of Concord grape juice have demonstrated improvement to memory and driving ability following 3- to 4-month supplementation in middle-aged and older adults. However, no studies to date have demonstrated acute cognitive benefits of grape juice, and investigation of these effects in young adults is lacking. Methods This randomised, placebo-controlled, double-blind, counterbalanced-crossover study, assessed the effects of 230 ml purple grape juice or sugar-matched control in 20 healthy young adults. Computerised measures of episodic memory, working memory, attention and mood were completed at baseline and following a 20-min absorption period. Results Purple grape juice significantly improved reaction time on a composite attention measure (p = 0.047) and increased calm ratings (p = 0.046) when compared to placebo. Order effects also indicated an enduring positive effect on pre-dose memory reaction time (p = 0.018) and post-dose calm ratings (p = 0.019) when purple grape was consumed first. Conclusions These findings in a small sample of healthy young adults suggest that purple grape juice can acutely enhance aspects of cognition and mood. No significant effects of juice were observed on memory measures, suggesting that these may be less susceptible to manipulation following acute supplementation in healthy young adults. Potential mechanisms underlying these effects include modulation of cerebral blood flow, glucoregulation and inhibition of monoamine oxidase activity, all of which require further exploration.
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Affiliation(s)
- C F Haskell-Ramsay
- Brain, Performance and Nutrition Research Centre, Northumbria University, Newcastle upon Tyne, NE1 8ST, UK.
| | - R C Stuart
- Brain, Performance and Nutrition Research Centre, Northumbria University, Newcastle upon Tyne, NE1 8ST, UK
| | - E J Okello
- School of Agriculture, Food and Rural Development, Newcastle University, Newcastle upon Tyne, NE1 7RU, UK
| | - A W Watson
- School of Agriculture, Food and Rural Development, Newcastle University, Newcastle upon Tyne, NE1 7RU, UK
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Tang J, Yan Y, Ran L, Mi J, Sun Y, Lu L, Gao Y, Zeng X, Cao Y. Isolation, antioxidant property and protective effect on PC12 cell of the main anthocyanin in fruit of Lycium ruthenicum Murray. J Funct Foods 2017. [DOI: 10.1016/j.jff.2017.01.015] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
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Janšakova K, Babíčkova J, Havrlentova M, Hodosy J, Kraic J, Celec P, Tothova L. The effects of anthocyanin-rich wheat diet on the oxidative status and behavior of rats. Croat Med J 2017; 57:119-29. [PMID: 27106354 PMCID: PMC4856190 DOI: 10.3325/cmj.2016.57.119] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Aim To evaluate the effect of food containing anthocyanin-rich wheat on oxidative status and behavior of healthy rats. Methods Twenty male rats were divided into the control and anthocyanin group. Oral glucose tolerance test was performed, and proteinuria and creatinine clearance were measured. Behavioral analysis was performed in Phenotyper cages. Serum and tissues were collected to measure the markers of oxidative stress and antioxidant status. Results Anthocyanins significantly increased total antioxidant capacity in serum (P = 0.039), decreased advanced oxidation protein products in the kidney (P = 0.002), but increased thiobarbituric acid reactive substances in the kidney compared to the control group. No significant difference between the groups was found in the markers of oxidative stress in the liver and colon, as well as in renal functions and glucose metabolism. The anthocyanin group spent significantly less time in the spotlight zone of the Phenotyper cages (P = 0.040), indicating higher anxiety-like behavior. Conclusion Food containing anthocyanin-rich wheat had positive effects on serum antioxidant status and kidney protein oxidation, but increased lipid peroxidation in the kidney and modified animal behavior related to anxiety. The molecular mechanisms leading to observed effects should be further elucidated.
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Affiliation(s)
- Katarína Janšakova
- Katarína Janšakova, Institute of Molecular Biomedicine, Comenius University, Sasinkova 4, 811 08 Bratislava, Slovakia,
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Izquierdo-Vega JA, Morales-González JA, SánchezGutiérrez M, Betanzos-Cabrera G, Sosa-Delgado SM, Sumaya-Martínez MT, Morales-González Á, Paniagua-Pérez R, Madrigal-Bujaidar E, Madrigal-Santillán E. Evidence of Some Natural Products with Antigenotoxic Effects. Part 1: Fruits and Polysaccharides. Nutrients 2017; 9:nu9020102. [PMID: 28157162 PMCID: PMC5331533 DOI: 10.3390/nu9020102] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2016] [Accepted: 01/19/2017] [Indexed: 02/07/2023] Open
Abstract
Cancer is one of the leading causes of deaths worldwide. The agents capable of causing damage to genetic material are known as genotoxins and, according to their mode of action, are classified into mutagens, carcinogens or teratogens. Genotoxins are involved in the pathogenesis of several chronic degenerative diseases including hepatic, neurodegenerative and cardiovascular disorders, diabetes, arthritis, cancer, chronic inflammation and ageing. In recent decades, researchers have found novel bioactive phytocompounds able to counteract the effects of physical and chemical mutagens. Several studies have shown potential antigenotoxicity in a variety of fruits. In this review (Part 1), we present an overview of research conducted on some fruits (grapefruit, cranberries, pomegranate, guava, pineapple, and mango) which are frequentl consumed by humans, as well as the analysis of some phytochemicals extracted from fruits and yeasts which have demonstrated antigenotoxic capacity in various tests, including the Ames assay, sister chromatid exchange, chromosomal aberrations, micronucleus and comet assay.
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Affiliation(s)
- Jeannett Alejandra Izquierdo-Vega
- Instituto de Ciencias de la Salud, Universidad Autónoma del Estado de Hidalgo, Ex-Hacienda de la Concepción, Tilcuautla, Pachuca de Soto 42080, Hidalgo, México.
| | - José Antonio Morales-González
- Escuela Superior de Medicina, Instituto Politécnico Nacional, Unidad Casco de Santo Tomas, Plan de San Luis y Díaz Mirón s/n, México D.F. 11340, México.
| | - Manuel SánchezGutiérrez
- Instituto de Ciencias de la Salud, Universidad Autónoma del Estado de Hidalgo, Ex-Hacienda de la Concepción, Tilcuautla, Pachuca de Soto 42080, Hidalgo, México.
| | - Gabriel Betanzos-Cabrera
- Instituto de Ciencias de la Salud, Universidad Autónoma del Estado de Hidalgo, Ex-Hacienda de la Concepción, Tilcuautla, Pachuca de Soto 42080, Hidalgo, México.
| | - Sara M Sosa-Delgado
- Escuela Superior de Medicina, Instituto Politécnico Nacional, Unidad Casco de Santo Tomas, Plan de San Luis y Díaz Mirón s/n, México D.F. 11340, México.
| | - María Teresa Sumaya-Martínez
- Secretaría de Investigación y Estudios de Posgrado, Universidad Autónoma de Nayarit, Ciudad de la Cultura Amado Nervo. Boulevard Tepic-Xalisco s/n, Tepic 28000, Nayarit, México.
| | - Ángel Morales-González
- Escuela Superior de Cómputo, Instituto Politécnico Nacional, Unidad A. López Mateos, Av. Juan de Dios Bátiz. Col., Lindavista, México D.F. 07738, Mexico.
| | - Rogelio Paniagua-Pérez
- Laboratorio de Bioquímica Muscular, Instituto Nacional de Rehabilitación, Av. México-Xochimilco. Col., Arenal de Guadalupe, México D.F. 14389, México.
| | - Eduardo Madrigal-Bujaidar
- Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de México, Unidad A. López-Mateos, Av. Wilfrido Massieu s/n, Lindavista, México D.F. 07738, México.
| | - Eduardo Madrigal-Santillán
- Escuela Superior de Medicina, Instituto Politécnico Nacional, Unidad Casco de Santo Tomas, Plan de San Luis y Díaz Mirón s/n, México D.F. 11340, México.
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Rizzetti DA, Altermann CDC, Martinez CS, Peçanha FM, Vassallo DV, Uranga-Ocio JA, Castro MM, Wiggers GA, Mello-Carpes PB. Ameliorative effects of egg white hydrolysate on recognition memory impairments associated with chronic exposure to low mercury concentration. Neurochem Int 2016; 101:30-37. [DOI: 10.1016/j.neuint.2016.10.002] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2016] [Revised: 10/05/2016] [Accepted: 10/07/2016] [Indexed: 12/27/2022]
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Kent K, Charlton KE, Netzel M, Fanning K. Food-based anthocyanin intake and cognitive outcomes in human intervention trials: a systematic review. J Hum Nutr Diet 2016; 30:260-274. [PMID: 27730693 DOI: 10.1111/jhn.12431] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
BACKGROUND Preclinical evidence suggests that the anthocyanins, which comprise a subclass of dietary flavonoids providing the purple and red pigmentation in plant-based foods, may have a beneficial impact on cognitive outcomes. METHODS A systematic review was conducted to identify the published literature on food-based anthocyanin consumption and cognitive outcomes in human intervention trials. The literature search followed PRISMA guidelines and included six databases, as well as additional hand searching. RESULTS Seven studies were included in this review, comprising acute trials (n = 4) and longer-term (n = 3) interventions that assessed multiple cognitive outcomes in children, adults and older adults with cognitive impairment. Six of seven studies reported improvements in either a single, or multiple, cognitive outcomes, including verbal learning and memory, after anthocyanin-rich food consumption. As a result of methodological limitations and the large clinical and methodological diversity of the studies, the pooling of data for quantitative analysis was not feasible. CONCLUSIONS The impact of food-based anthocyanin consumption on both acute and long-term cognition appears promising. However, adequately powered studies that include sensitive cognitive tasks are needed to confirm these findings and allow the translation of research into dietary messages.
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Affiliation(s)
- K Kent
- School of Medicine, Faculty of Science, Medicine and Health, University of Wollongong, Wollongong, NSW, Australia
| | - K E Charlton
- School of Medicine, Faculty of Science, Medicine and Health, University of Wollongong, Wollongong, NSW, Australia
| | - M Netzel
- Centre for Nutrition and Food Sciences, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, St Lucia, QLD, Australia
| | - K Fanning
- Department of Agriculture and Fisheries, Queensland Government, Brisbane, QLD, Australia
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Saraceno GE, Caceres LG, Guelman LR, Castilla R, Udovin LD, Ellisman MH, Brocco MA, Capani F. Consequences of excessive plasticity in the hippocampus induced by perinatal asphyxia. Exp Neurol 2016; 286:116-123. [PMID: 27578426 DOI: 10.1016/j.expneurol.2016.08.017] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2016] [Revised: 08/21/2016] [Accepted: 08/26/2016] [Indexed: 01/10/2023]
Abstract
Perinatal asphyxia (PA) is one of the most frequent risk factors for several neurodevelopmental disorders (NDDs) of presumed multifactorial etiology. Dysfunction of neuronal connectivity is thought to play a central role in the pathophysiology of NDDs. Because underlying causes of some NDDs begin before/during birth, we asked whether this clinical condition might affect accurate establishment of neural circuits in the hippocampus as a consequence of disturbed brain plasticity. We used a murine model that mimics the pathophysiological processes of perinatal asphyxia. Histological analyses of neurons (NeuN), dendrites (MAP-2), neurofilaments (NF-M/Hp) and correlative electron microscopy studies of dendritic spines were performed in Stratum radiatum of the hippocampal CA1 area after postnatal ontogenesis. Protein and mRNA analyses were achieved by Western blot and RT-qPCR. Behavioral tests were also carried out. NeuN abnormal staining and spine density were increased. RT-qPCR assays revealed a β-actin mRNA over-expression, while Western blot analysis showed higher β-actin protein levels in synaptosomal fractions in experimental group. M6a expression, protein involved in filopodium formation and synaptogenesis, was also increased. Furthermore, we found that PI3K/Akt/GSK3 pathway signaling, which is involved in synaptogenesis, was activated. Moreover, asphyctic animals showed habituation memory changes in the open field test. Our results suggest that abnormal synaptogenesis induced by PA as a consequence of excessive brain plasticity during brain development may contribute to the etiology of the NDDs. Consequences of this altered synaptic maturation can underlie some of the later behavioral deficits observed in NDDs.
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Affiliation(s)
- G E Saraceno
- ININCA, Universidad de Buenos Aires (UBA)-CONICET, Buenos Aires, Argentina
| | - L G Caceres
- Facultad de Medicina (UBA) CEFyBO-CONICET, Buenos Aires, Argentina
| | - L R Guelman
- Facultad de Medicina (UBA) CEFyBO-CONICET, Buenos Aires, Argentina
| | - R Castilla
- ININCA, Universidad de Buenos Aires (UBA)-CONICET, Buenos Aires, Argentina
| | - L D Udovin
- ININCA, Universidad de Buenos Aires (UBA)-CONICET, Buenos Aires, Argentina
| | - M H Ellisman
- Department of Neuroscience, Department of Neuroscience, National Center for Electron Microscopy and Imaging Research, UCSD, United States
| | - M A Brocco
- Instituto de Investigaciones Biotecnológicas-Instituto Tecnológico de Chascomús (IIB-INTECH), UNSAM-CONICET, Buenos Aires, Argentina
| | - F Capani
- ININCA, Universidad de Buenos Aires (UBA)-CONICET, Buenos Aires, Argentina; Instituto de Ciencias Biomédicas, Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, Chile.
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Møllersen L, Moldestad O, Rowe AD, Bjølgerud A, Holm I, Tveterås L, Klungland A, Retterstøl L. Effects of Anthocyanins on CAG Repeat Instability and Behaviour in Huntington's Disease R6/1 Mice. PLOS CURRENTS 2016; 8. [PMID: 27540492 PMCID: PMC4973517 DOI: 10.1371/currents.hd.58d04209ab6d5de0844db7ef5628ff67] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Background: Huntington’s disease (HD) is a progressive neurodegenerative disorder caused by CAG repeat expansions in the HTT gene. Somatic repeat expansion in the R6/1 mouse model of HD depends on mismatch repair and is worsened by base excision repair initiated by the 7,8-dihydroxy-8-oxoguanine-DNA glycosylase (Ogg1) or Nei-like 1 (Neil1). Ogg1 and Neil1 repairs common oxidative lesions. Methods: We investigated whether anthocyanin antioxidants added daily to the drinking water could affect CAG repeat instability in several organs and behaviour in R6/1 HD mice. In addition, anthocyanin-treated and untreated R6/1 HD mice at 22 weeks of age were tested in the open field test and on the rotarod. Results: Anthocyanin-treated R6/1 HD mice showed reduced instability index in the ears and in the cortex compared to untreated R6/1 mice, and no difference in liver and kidney. There were no significant differences in any of the parameters tested in the behavioural tests among anthocyanin-treated and untreated R6/1 HD mice. Conclusions: Our results indicate that continuous anthocyanin-treatment may have modest effects on CAG repeat instability in the ears and the cortex of R6/1 mice. More studies are required to investigate if anthocyanin-treatment could affect behaviour earlier in the disease course.
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Affiliation(s)
- Linda Møllersen
- Institute of Medical Microbiology, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | - Olve Moldestad
- Centre for Rare Disorders, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | - Alexander D Rowe
- Institute of Medical Microbiology, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | - Anja Bjølgerud
- Institute of Medical Microbiology, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | - Ingunn Holm
- Department of Medical Genetics, Oslo University Hospital, Ullevål, Oslo, Norway
| | - Linda Tveterås
- Institute of Medical Microbiology, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | - Arne Klungland
- Institute of Medical Microbiology, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | - Lars Retterstøl
- Department of Medical Genetics, Oslo University Hospital, Ullevål, Oslo, Norway
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Guo Q, Kim YN, Lee BH. Protective effects of blueberry drink on cognitive impairment induced by chronic mild stress in adult rats. Nutr Res Pract 2016; 11:25-32. [PMID: 28194262 PMCID: PMC5300943 DOI: 10.4162/nrp.2017.11.1.25] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Revised: 03/29/2016] [Accepted: 04/20/2016] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND/OBJECTIVES Stress-induced cognitive impairment is related to the suppression of hippocampal neurogenesis that results from an increase of oxidative stress. Therefore, the aim of this study was to investigate the effects of administration of a blueberry drink, having a high antioxidant power, on the cognitive performance of adult rats exposed to chronic mild stress. MATERIALS/METHODS Twelve-week-old male Sprague-Dawley rats (n = 48) were randomly divided into four groups: control (CO), stress (ST), control + 5% blueberry drink (CO + B), and stress + 5% blueberry drink (ST + B). After eight weeks, the cognitive performance was assessed using a multiple T-maze water test. Levels of superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx), and ascorbic acid were measured in the brain, and catecholamine concentrations were measured in plasma. RESULTS The brain weights of the rats from the ST and ST + B groups were significantly lower than those of the rats from the CO and CO + B groups. The cognitive performance of the ST group was impaired when compared to that of the CO group. This impairment was significantly improved by the blueberry drink supplementation (P < 0.05). The brain SOD and CAT concentrations were not influenced by the stress or by the blueberry drink. However, the brain levels of GPx and ascorbic acid were significantly lower in the ST group than those in the CO group and were increased by the blueberry drink supplementation. The plasma catecholamine concentrations were affected by chronic mild stress and by the blueberry drink. The plasma norepinephrine and dopamine concentrations were decreased by the chronic stress and improved by the blueberry drink supplementation. The plasma epinephrine level was only influenced by the stress. CONCLUSION These findings suggest that the blueberry drink may protect against the cognitive impairment induced by chronic mild stress.
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Affiliation(s)
- Qian Guo
- Department of Food and Nutrition, Chung-Ang University, 4726 Seodong-daero, Daedeok-myeon, Anseon-si, Gyeonggi 17546, Korea
| | - Young-Nam Kim
- Department of Food & Nutrition, Duksung Women's University, Seoul 01369, Korea
| | - Bog-Hieu Lee
- Department of Food and Nutrition, Chung-Ang University, 4726 Seodong-daero, Daedeok-myeon, Anseon-si, Gyeonggi 17546, Korea
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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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Bensalem J, Servant L, Alfos S, Gaudout D, Layé S, Pallet V, Lafenetre P. Dietary Polyphenol Supplementation Prevents Alterations of Spatial Navigation in Middle-Aged Mice. Front Behav Neurosci 2016; 10:9. [PMID: 26903826 PMCID: PMC4746350 DOI: 10.3389/fnbeh.2016.00009] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2015] [Accepted: 01/25/2016] [Indexed: 11/25/2022] Open
Abstract
Spatial learning and memory deficits associated with hippocampal synaptic plasticity impairments are commonly observed during aging. Besides, the beneficial role of dietary polyphenols has been suggested as potential functional food candidates to prevent this memory decline. Indeed, polyphenols could potentiate the signaling pathways of synaptic plasticity underlying learning and memory. In this study, spatial learning deficits of middle-aged mice were first highlighted and characterized according to their navigation patterns in the Morris water maze task. An eight-week polyphenol-enriched diet, containing a polyphenol-rich extract from grape and blueberry (PEGB; from the Neurophenols Consortium) with high contents of flavonoids, stilbenes and phenolic acids, was then successful in reversing these age-induced effects. The use of spatial strategies was indeed delayed with aging whereas a polyphenol supplementation could promote the occurrence of spatial strategies. These behavioral results were associated with neurobiological changes: while the expression of hippocampal calmodulin kinase II (CaMKII) mRNA levels was reduced in middle-aged animals, the polyphenol-enriched diet could rescue them. Besides, an increased expression of nerve growth neurotrophic factor (NGF) mRNA levels was also observed in supplemented adult and middle-aged mice. Thus these data suggest that supplementation with polyphenols could be an efficient nutritional way to prevent age-induced cognitive decline.
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Affiliation(s)
- Julien Bensalem
- Nutrition et Neurobiologie Intégrée, Université de Bordeaux, UMR 1286Bordeaux, France; INRA, Nutrition et Neurobiologie Intégrée, UMR 1286Bordeaux, France; Activ'InsideLibourne, France
| | - Laure Servant
- Nutrition et Neurobiologie Intégrée, Université de Bordeaux, UMR 1286Bordeaux, France; INRA, Nutrition et Neurobiologie Intégrée, UMR 1286Bordeaux, France
| | - Serge Alfos
- Nutrition et Neurobiologie Intégrée, Université de Bordeaux, UMR 1286Bordeaux, France; INRA, Nutrition et Neurobiologie Intégrée, UMR 1286Bordeaux, France; Nutrition et Neurobiologie Intégrée, Bordeaux INP, UMR 1286Bordeaux, France
| | | | - Sophie Layé
- Nutrition et Neurobiologie Intégrée, Université de Bordeaux, UMR 1286Bordeaux, France; INRA, Nutrition et Neurobiologie Intégrée, UMR 1286Bordeaux, France
| | - Véronique Pallet
- Nutrition et Neurobiologie Intégrée, Université de Bordeaux, UMR 1286Bordeaux, France; INRA, Nutrition et Neurobiologie Intégrée, UMR 1286Bordeaux, France; Nutrition et Neurobiologie Intégrée, Bordeaux INP, UMR 1286Bordeaux, France
| | - Pauline Lafenetre
- Nutrition et Neurobiologie Intégrée, Université de Bordeaux, UMR 1286Bordeaux, France; INRA, Nutrition et Neurobiologie Intégrée, UMR 1286Bordeaux, France; Nutrition et Neurobiologie Intégrée, Bordeaux INP, UMR 1286Bordeaux, France
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Noise exposure of immature rats can induce different age-dependent extra-auditory alterations that can be partially restored by rearing animals in an enriched environment. Brain Res 2016; 1636:52-61. [PMID: 26851548 DOI: 10.1016/j.brainres.2016.01.050] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2015] [Revised: 12/29/2015] [Accepted: 01/27/2016] [Indexed: 02/01/2023]
Abstract
It has been previously shown that different extra-auditory alterations can be induced in animals exposed to noise at 15 days. However, data regarding exposure of younger animals, that do not have a functional auditory system, have not been obtained yet. Besides, the possibility to find a helpful strategy to restore these changes has not been explored so far. Therefore, the aims of the present work were to test age-related differences in diverse hippocampal-dependent behavioral measurements that might be affected in noise-exposed rats, as well as to evaluate the effectiveness of a potential neuroprotective strategy, the enriched environment (EE), on noise-induced behavioral alterations. Male Wistar rats of 7 and 15 days were exposed to moderate levels of noise for two hours. At weaning, animals were separated and reared either in standard or in EE cages for one week. At 28 days of age, different hippocampal-dependent behavioral assessments were performed. Results show that rats exposed to noise at 7 and 15 days were differentially affected. Moreover, EE was effective in restoring all altered variables when animals were exposed at 7 days, while a few were restored in rats exposed at 15 days. The present findings suggest that noise exposure was capable to trigger significant hippocampal-related behavioral alterations that were differentially affected, depending on the age of exposure. In addition, it could be proposed that hearing structures did not seem to be necessarily involved in the generation of noise-induced hippocampal-related behaviors, as they were observed even in animals with an immature auditory pathway. Finally, it could be hypothesized that the differential restoration achieved by EE rearing might also depend on the degree of maturation at the time of exposure and the variable evaluated, being younger animals more susceptible to environmental manipulations.
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Costa GDA, Galvão TC, Bacchi AD, Moreira EG, Salles MJS. Investigation of possible teratogenic effects in the offspring of mice exposed to methylphenidate during pregnancy. Reprod Biomed Online 2016; 32:170-7. [DOI: 10.1016/j.rbmo.2015.11.016] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2015] [Revised: 11/14/2015] [Accepted: 11/18/2015] [Indexed: 10/22/2022]
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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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Ströher DJ, Escobar Piccoli JDC, Güllich AADC, Pilar BC, Coelho RP, Bruno JB, Faoro D, Manfredini V. 14 Days of supplementation with blueberry extract shows anti-atherogenic properties and improves oxidative parameters in hypercholesterolemic rats model. Int J Food Sci Nutr 2015; 66:559-68. [PMID: 26171628 DOI: 10.3109/09637486.2015.1064870] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The effects of supplementation with blueberry (BE) extract (Vaccinium ashei Reade) for 14 consecutive days on biochemical, hematological, histopathological and oxidative parameters in hypercholesterolemic rats were investigated. After supplementation with lyophilized extract of BE, the levels of total cholesterol, low-density lipoprotein cholesterol and triglycerides were decreased. Histopathological analysis showed significant decrease (p < 0.05) of aortic lesions in hypercholesterolemic rats. Oxidative parameters showed significant reductions (p < 0.05) in oxidative damage to lipids and proteins and an increase in activities of antioxidant enzymes such as catalase, superoxide dismutase and glutathione peroxidase. The BE extract showed an important cardioprotective effect by the improvements in the serum lipid profile, antioxidant system, particularly in reducing oxidative stress associated with hypercholesterolemia and anti-atherogenic effect in rats.
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Clemens R, Drewnowski A, Ferruzzi MG, Toner CD, Welland D. Squeezing fact from fiction about 100% fruit juice. Adv Nutr 2015; 6:236S-243S. [PMID: 25770266 PMCID: PMC4352186 DOI: 10.3945/an.114.007328] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Total fruit intake in the United States is ~1 cup equivalent per day, or one-half of the 2010 Dietary Guidelines for Americans recommendation for adults. Two-thirds of the fruit consumed is whole fruit and one-third is 100% juice. The nutritional value of whole fruit, with the exception of fiber and vitamin C, may be retained with appropriate juice production methods and storage conditions. One-hundred percent fruit juice consumption is associated with a number of health benefits, such as improved cardiovascular health and decreased obesity, although some of these and other potential benefits are controversial. Comprehensive analyses of the evidence by the Academy of Nutrition and Dietetics in 2014, the US Dietary Guidelines Advisory Committee in 2010, and the Australian Dietary Guidelines of 2013 concluded that 100% fruit juice is not related to adiposity in children when consumed in appropriate amounts for age and energy needs. However, some reports suggest the consumption of fruit juice contributes to unhealthful outcomes, particularly among children. A dietary modeling study on the best ways to meet the fruit intake shortfall showed that a combination of whole fruit and 100% juice improved dietary density of potassium and vitamin C without significantly increasing total calories. Notably, 100% juice intake was capped at amounts consistent with the 2001 American Pediatric Association guidance. The preponderance of evidence supports the position that 100% fruit juice delivers essential nutrients and phytonutrients, provides year-round access to a variety of fruits, and is a cost-effective way to help people meet fruit recommendations.
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Affiliation(s)
- Roger Clemens
- Horn, La Mirada, CA; University of Southern California School of Pharmacy, Los Angeles, CA; and California State University, Northridge, CA
| | - Adam Drewnowski
- Center for Public Health Nutrition, University of Washington, Seattle, Seattle, WA
| | - Mario G Ferruzzi
- Department of Food Science and Department of Nutrition Science, Purdue University, West Lafayette, IN
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Whyte AR, Williams CM. Effects of a single dose of a flavonoid-rich blueberry drink on memory in 8 to 10 y old children. Nutrition 2014; 31:531-4. [PMID: 25701345 DOI: 10.1016/j.nut.2014.09.013] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2014] [Revised: 08/18/2014] [Accepted: 09/23/2014] [Indexed: 10/24/2022]
Abstract
OBJECTIVE Recent evidence from animals and adult humans has demonstrated potential benefits to cognition from flavonoid supplementation. The aim of this study was to investigate whether these cognitive benefits extended to a sample of school-aged children. METHOD Using a crossover design, with a washout of at least 7 d between drinks, 14 children ages 8 to 10 y consumed either a flavonoid-rich blueberry drink or a matched vehicle. Two h after consumption, the children completed a battery of five cognitive tests comprising the Go-NoGo, Stroop, Rey's Auditory Verbal Learning Task, Object Location Task, and a Visual N-back. RESULTS In comparison to the vehicle, the blueberry drink produced significant improvements in the delayed recall of a previously learned list of words, showing for the first time a cognitive benefit for acute flavonoid intervention in children. However, performance on a measure of proactive interference indicated that the blueberry intervention led to a greater negative impact of previously memorized words on the encoding of a set of new words. There was no benefit of our blueberry intervention for measures of attention, response inhibition, or visuospatial memory. CONCLUSIONS Although findings are mixed, the improvements in delayed recall found in this pilot study suggest that, following acute flavonoid-rich blueberry interventions, school-aged children encode memory items more effectively.
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Affiliation(s)
- Adrian R Whyte
- School of Psychology and Clinical Language Sciences, University of Reading, Earley Gate, Whiteknights, Reading, United Kingdom
| | - Claire M Williams
- School of Psychology and Clinical Language Sciences, University of Reading, Earley Gate, Whiteknights, Reading, United Kingdom.
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Subash S, Essa MM, Al-Adawi S, Memon MA, Manivasagam T, Akbar M. Neuroprotective effects of berry fruits on neurodegenerative diseases. Neural Regen Res 2014; 9:1557-66. [PMID: 25317174 PMCID: PMC4192974 DOI: 10.4103/1673-5374.139483] [Citation(s) in RCA: 92] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/02/2014] [Indexed: 12/02/2022] Open
Abstract
Recent clinical research has demonstrated that berry fruits can prevent age-related neurodegenerative diseases and improve motor and cognitive functions. The berry fruits are also capable of modulating signaling pathways involved in inflammation, cell survival, neurotransmission and enhancing neuroplasticity. The neuroprotective effects of berry fruits on neurodegenerative diseases are related to phytochemicals such as anthocyanin, caffeic acid, catechin, quercetin, kaempferol and tannin. In this review, we made an attempt to clearly describe the beneficial effects of various types of berries as promising neuroprotective agents.
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Affiliation(s)
- Selvaraju Subash
- Department of Food Science and Nutrition, College of Agricultural and Marine Sciences, Sultan Qaboos University, Muscat, Sultanate of Oman
- Ageing and Dementia Research Group, Sultan Qaboos University, Muscat, Sultanate of Oman
| | - Musthafa Mohamed Essa
- Department of Food Science and Nutrition, College of Agricultural and Marine Sciences, Sultan Qaboos University, Muscat, Sultanate of Oman
- Ageing and Dementia Research Group, Sultan Qaboos University, Muscat, Sultanate of Oman
| | - Samir Al-Adawi
- Ageing and Dementia Research Group, Sultan Qaboos University, Muscat, Sultanate of Oman
- College of Medicine and Health Sciences, Sultan Qaboos University, Muscat, Sultanate of Oman
| | - Mushtaq A. Memon
- College of Veterinary Medicine, Washington State University, Pullman, WA, USA
| | | | - Mohammed Akbar
- Section of Molecular Pharmacology and Toxicology, Laboratory of Membrane Biochemistry and Biophysics, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Rockville, MD, USA
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Pribis P, Shukitt-Hale B. Cognition: the new frontier for nuts and berries. Am J Clin Nutr 2014; 100 Suppl 1:347S-52S. [PMID: 24871475 DOI: 10.3945/ajcn.113.071506] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The inclusion of nuts in the diet is associated with a decreased risk of coronary artery disease, hypertension, gallstones, diabetes, cancer, metabolic syndrome, and visceral obesity. Frequent consumption of berries seems to be associated with improved cardiovascular and cancer outcomes, improved immune function, and decreased recurrence of urinary tract infections; the consumption of nuts and berries is associated with reduction in oxidative damage, inflammation, vascular reactivity, and platelet aggregation, and improvement in immune functions. However, only recently have the effects of nut and berry consumption on the brain, different neural systems, and cognition been studied. There is growing evidence that the synergy and interaction of all of the nutrients and other bioactive components in nuts and berries can have a beneficial effect on the brain and cognition. Regular nut consumption, berry consumption, or both could possibly be used as an adjunctive therapeutic strategy in the treatment and prevention of several neurodegenerative diseases and age-related brain dysfunction. A number of animal and a growing number of human studies show that moderate-duration dietary supplementation with nuts, berry fruit, or both is capable of altering cognitive performance in humans, perhaps forestalling or reversing the effects of neurodegeneration in aging.
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Affiliation(s)
- Peter Pribis
- From the Department of Public Health and Wellness, Andrews University, Berrien Springs, MI (PP), and Neuroscience and Aging Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA (BS-H)
| | - Barbara Shukitt-Hale
- From the Department of Public Health and Wellness, Andrews University, Berrien Springs, MI (PP), and Neuroscience and Aging Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA (BS-H)
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Long-term recovery from hippocampal-related behavioral and biochemical abnormalities induced by noise exposure during brain development. Evaluation of auditory pathway integrity. Int J Dev Neurosci 2014; 37:41-51. [PMID: 24911434 DOI: 10.1016/j.ijdevneu.2014.06.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2014] [Revised: 05/30/2014] [Accepted: 06/01/2014] [Indexed: 11/24/2022] Open
Abstract
Sound is an important part of man's contact with the environment and has served as critical means for survival throughout his evolution. As a result of exposure to noise, physiological functions such as those involving structures of the auditory and non-auditory systems might be damaged. We have previously reported that noise-exposed developing rats elicited hippocampal-related histological, biochemical and behavioral changes. However, no data about the time lapse of these changes were reported. Moreover, measurements of auditory pathway function were not performed in exposed animals. Therefore, with the present work, we aim to test the onset and the persistence of the different extra-auditory abnormalities observed in noise-exposed rats and to evaluate auditory pathway integrity. Male Wistar rats of 15 days were exposed to moderate noise levels (95-97 dB SPL, 2 h a day) during one day (acute noise exposure, ANE) or during 15 days (sub-acute noise exposure, SANE). Hippocampal biochemical determinations as well as short (ST) and long term (LT) behavioral assessments were performed. In addition, histological and functional evaluations of the auditory pathway were carried out in exposed animals. Our results show that hippocampal-related behavioral and biochemical changes (impairments in habituation, recognition and associative memories as well as distortion of anxiety-related behavior, decreases in reactive oxygen species (ROS) levels and increases in antioxidant enzymes activities) induced by noise exposure were almost completely restored by PND 90. In addition, auditory evaluation shows that increased cochlear thresholds observed in exposed rats were re-established at PND 90, although with a remarkable supra-threshold amplitude reduction. These data suggest that noise-induced hippocampal and auditory-related alterations are mostly transient and that the effects of noise on the hippocampus might be, at least in part, mediated by the damage on the auditory pathway. However, we cannot exclude that a different mechanism might be responsible for the observed hippocampal-related changes.
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Carey AN, Gomes SM, Shukitt-Hale B. Blueberry supplementation improves memory in middle-aged mice fed a high-fat diet. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2014; 62:3972-3978. [PMID: 24446769 DOI: 10.1021/jf404565s] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Consuming a high-fat diet may result in behavioral deficits similar to those observed in aging animals. It has been demonstrated that blueberry supplementation can allay age-related behavioral deficits. To determine if supplementation of a high-fat diet with blueberries offers protection against putative high-fat diet-related declines, 9-month-old C57Bl/6 mice were maintained on low-fat (10% fat calories) or high-fat (60% fat calories) diets with and without 4% freeze-dried blueberry powder. Novel object recognition memory was impaired by the high-fat diet; after 4 months on the high-fat diet, mice spent 50% of their time on the novel object in the testing trial, performing no greater than chance performance. Blueberry supplementation prevented recognition memory deficits after 4 months on the diets, as mice on this diet spent 67% of their time on the novel object. After 5 months on the diets, mice consuming the high-fat diet passed through the platform location less often than mice on low-fat diets during probe trials on days 2 and 3 of Morris water maze testing, whereas mice consuming the high-fat blueberry diet passed through the platform location as often as mice on the low-fat diets. This study is a first step in determining if incorporating more nutrient-dense foods into a high-fat diet can allay cognitive dysfunction.
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Affiliation(s)
- Amanda N Carey
- Human Nutrition Research Center on Aging at Tufts University, Agricultural Research Service, U.S. Department of Agriculture , Boston, Massachusetts 02111, United States
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Gong P, Chen FX, Wang L, Wang J, Jin S, Ma YM. Protective effects of blueberries (Vaccinium corymbosum L.) extract against cadmium-induced hepatotoxicity in mice. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2014; 37:1015-1027. [PMID: 24751684 DOI: 10.1016/j.etap.2014.03.017] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2013] [Revised: 03/18/2014] [Accepted: 03/23/2014] [Indexed: 06/03/2023]
Abstract
The oxidative status and morphological changes of mouse liver exposed to cadmium chloride (Cd(II)) and therapeutic potential of blueberry (Vaccinium corymbosum L.) extract against Cd(II)-induced hepatic injury were investigated. A variety of parameters were evaluated, including lipid peroxidation (LPO), protein carbonyl (PCO) level, DNA fragment, as well as antioxidative defense system (i.e., superoxide dismutase (SOD), catalase (CAT), reduced glutathione (GSH)). Elemental analysis and evaluation of morphological changes and NO levels were also performed. Exposure to Cd(II) led to increased LPO and PCO as well as DNA fragment and a reduction of SOD and CAT activities, however, the content of GSH elevated probably due to biological adaptive-response. In contrast, co-treatment of anthocyanin (Ay) inhibited the increased oxidative parameters as well as restored the activities of antioxidative defense system in a dose-dependent manner. Ay administration regained these morphological changes caused by intoxication of Cd(II) to nearly normal levels. Moreover, the accumulation of Cd(II) in liver may be one of the reasons for Cd(II) toxicity and Ay can chelate with Cd(II) to reduce Cd(II) burden. The influence of Cd(II) on the Zn and Ca levels can also be adjusted by the co-administration of Ay. Exposure to Cd(II) led to an increase of NO and Ay reduced NO contents probably by directly scavenging. Potential mechanisms for the protective effect of Ay have been proposed, including its anti-oxidative and anti-inflammatory effect along with the metal-chelating capacity. These results suggest that blueberry extract may be valuable as a therapeutic agent in combating Cd(II)-induced tissue injury.
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Affiliation(s)
- Pin Gong
- College of Life Science and Technology, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China.
| | - Fu-xin Chen
- School of Chemistry and Chemical Engineering, Xi'an University of Science and Technology, Xi'an 710054, China
| | - Lan Wang
- College of Life Science and Technology, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Jing Wang
- College of Life Science and Technology, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Sai Jin
- College of Life Science and Technology, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Yang-min Ma
- College of Life Science and Technology, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
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Vauzour D. Effect of flavonoids on learning, memory and neurocognitive performance: relevance and potential implications for Alzheimer's disease pathophysiology. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2014; 94:1042-1056. [PMID: 24338740 DOI: 10.1002/jsfa.6473] [Citation(s) in RCA: 73] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2013] [Revised: 10/24/2013] [Accepted: 11/08/2013] [Indexed: 06/03/2023]
Abstract
Recent evidence has indicated that a group of plant-derived compounds known as flavonoids may exert particularly powerful actions on mammalian cognition and may reverse age-related declines in memory and learning. In addition, growing evidence is also suggestive that flavonoids may delay the development of Alzheimer's disease-like pathology, suggestive of potential dietary strategies in dementia. Although these low-molecular-weight phytochemicals are absorbed to only a limited degree, they have been found to counteract age-related cognitive declines possibly via their ability to interact with the cellular and molecular architecture of the brain responsible for memory. However, the majority of the research has been carried out at rather supraphysiological concentrations and only a few studies have investigated the neuromodulatory effects of physiologically attainable flavonoid concentrations. This review will summarize the evidence for the effects of flavonoids and their metabolites in age-related cognitive decline and Alzheimer's disease. Mechanisms of actions will be discussed and include those activating signalling pathways critical in controlling synaptic plasticity, reducing neuroinflammation and inducing vascular effects potentially capable of causing new nerve cell growth in the hippocampus. Altogether, these processes are known to be important in maintaining optimal neuronal function, to limit neurodegeneration and to prevent or reverse age-dependent deteriorations in cognitive performance.
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Affiliation(s)
- David Vauzour
- Department of Nutrition, Norwich Medical School, Faculty of Medicine and Health Sciences, University of East Anglia, Norwich, NR4 7TJ, UK
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50
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Gutierres JM, Carvalho FB, Schetinger MRC, Marisco P, Agostinho P, Rodrigues M, Rubin MA, Schmatz R, da Silva CR, de P. Cognato G, Farias JG, Signor C, Morsch VM, Mazzanti CM, Bogo M, Bonan CD, Spanevello R. Anthocyanins restore behavioral and biochemical changes caused by streptozotocin-induced sporadic dementia of Alzheimer's type. Life Sci 2014; 96:7-17. [DOI: 10.1016/j.lfs.2013.11.014] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2013] [Revised: 10/26/2013] [Accepted: 11/14/2013] [Indexed: 12/20/2022]
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