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Maehashi S, Arora K, Fisher AL, Schweitzer DR, Akefe IO. Neurolipidomic insights into anxiety disorders: Uncovering lipid dynamics for potential therapeutic advances. Neurosci Biobehav Rev 2024; 163:105741. [PMID: 38838875 DOI: 10.1016/j.neubiorev.2024.105741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 05/26/2024] [Accepted: 05/27/2024] [Indexed: 06/07/2024]
Abstract
Anxiety disorders constitute a spectrum of psychological conditions affecting millions of individuals worldwide, imposing a significant health burden. Historically, the development of anxiolytic medications has been largely focused on neurotransmitter function and modulation. However, in recent years, neurolipids emerged as a prime target for understanding psychiatric pathogenesis and developing novel medications. Neurolipids influence various neural activities such as neurotransmission and cellular functioning, as well as maintaining cell membrane integrity. Therefore, this review aims to elucidate the alterations in neurolipids associated with an anxious mental state and explore their potential as targets of novel anxiolytic medications. Existing evidence tentatively associates dysregulated neurolipid levels with the etiopathology of anxiety disorders. Notably, preclinical investigations suggest that several neurolipids, including endocannabinoids and polyunsaturated fatty acids, may hold promise as potential pharmacological targets. Overall, the current literature tentatively suggests the involvement of lipids in the pathogenesis of anxiety disorders, hinting at potential prospects for future pharmacological interventions.
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Affiliation(s)
- Saki Maehashi
- Medical School, Faculty of Medicine, University of Queensland, Brisbane, QLD, Australia.
| | - Kabir Arora
- Medical School, Faculty of Medicine, University of Queensland, Brisbane, QLD, Australia
| | - Andre Lara Fisher
- Medical School, Faculty of Medicine, University of Queensland, Brisbane, QLD, Australia
| | | | - Isaac Oluwatobi Akefe
- Academy for Medical Education, The University of Queensland, Herston, QLD 4006, Australia.
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Whittle RH, Kiarie EG, Ma DWL, Widowski TM. Feeding flaxseed to chicken hens changes the size and fatty acid composition of their chicks' brains. Front Physiol 2024; 15:1400611. [PMID: 38911324 PMCID: PMC11190958 DOI: 10.3389/fphys.2024.1400611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Accepted: 05/16/2024] [Indexed: 06/25/2024] Open
Abstract
Diets fed to commercial chicken breeders are high in n-6 fatty acids (n-6 FAs) and low in n-3 fatty acids (n-3 FAs). N-3 FAs are essential for embryonic brain development. In precocial birds, like chickens, brain development and brain n-3 FA accrual occur primarily before hatching. In two experiments, broiler and layer breeders were fed diets with or without flaxseed as the source of n-3 FAs from plant-based alpha-linolenic acid. Day-old broiler (n = 80) and layer (n = 96) offspring were dissected to calculate the percentage brain-to-body weight. Brain FA analyses from total lipid extracts were determined in the broiler (n = 24) and layer (n = 24) offspring brains, and the percentage FA composition and concentration (µg FAs per g brain) were calculated for each n-3 and n-6 FA. The brain size was only increased in broiler offspring from mothers fed flaxseed (χ2 = 9.22, p = 0.002). In layer offspring only, the maternal flaxseed diet increased the brain concentration and percentage of n-3 FAs and decreased n-6 FAs (p < 0.05). We showed that feeding flaxseed to mothers increased the brain size in broiler offspring and altered brain FA composition in layer offspring. These results may have implications for poultry and other captive bird species fed diets low in n-3 FAs.
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Affiliation(s)
- Rosemary H. Whittle
- Department of Animal Biosciences, University of Guelph, Guelph, ON, Canada
- Campbell Centre for the Study of Animal Welfare, University of Guelph, Guelph, ON, Canada
| | - Elijah G. Kiarie
- Department of Animal Biosciences, University of Guelph, Guelph, ON, Canada
| | - David W. L. Ma
- Department of Human Health and Nutritional Sciences, University of Guelph, Guelph, ON, Canada
| | - Tina M. Widowski
- Department of Animal Biosciences, University of Guelph, Guelph, ON, Canada
- Campbell Centre for the Study of Animal Welfare, University of Guelph, Guelph, ON, Canada
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3
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Chaudron Y, Boyer C, Marmonier C, Plourde M, Vachon A, Delplanque B, Taouis M, Pifferi F. A vegetable fat-based diet delays psychomotor and cognitive development compared with maternal dairy fat intake in infant gray mouse lemurs. Commun Biol 2024; 7:609. [PMID: 38769408 PMCID: PMC11106064 DOI: 10.1038/s42003-024-06255-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Accepted: 04/26/2024] [Indexed: 05/22/2024] Open
Abstract
Dairy fat has a unique lipid profile; it is rich in short- and medium-chain saturated fatty acids that induce ketone production and has a balanced ω6/ω3 ratio that promotes cognitive development in early life. Moreover, the high consumption of vegetable oils in pregnant and lactating women raises concerns regarding the quality of lipids provided to offspring. Here, we investigate maternal dairy fat intake during gestation and lactation in a highly valuable primate model for infant nutritional studies, the gray mouse lemur (Microcebus murinus). Two experimental diets are provided to gestant mouse lemurs: a dairy fat-based (DF) or vegetable fat-based diet (VF). The psychomotor performance of neonates is tested during their first 30 days. Across all tasks, we observe more successful neonates born to mothers fed a DF diet. A greater rate of falls is observed in 8-day-old VF neonates, which is associated with delayed psychomotor development. Our findings suggest the potential benefits of lipids originating from a lactovegetarian diet compared with those originating from a vegan diet for the psychomotor development of neonates.
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Affiliation(s)
- Yohann Chaudron
- UMR CNRS MNHN 7179, 1 avenue du Petit Château, 91800, Brunoy, France.
| | - Constance Boyer
- Centre national interprofessionnel de l'économie laitière, 42 rue de Châteaudun, 75314, Paris cedex 09, France
| | - Corinne Marmonier
- Centre national interprofessionnel de l'économie laitière, 42 rue de Châteaudun, 75314, Paris cedex 09, France
| | - Mélanie Plourde
- Centre de Recherche sur le Vieillissement, CIUSSS de l'Estrie - CHUS, 1036 Belvédère sud, Sherbrooke, J1H 4C4, Canada
- Département de Médecine, Université de Sherbrooke, Sherbrooke, Canada
| | - Annick Vachon
- Centre de Recherche sur le Vieillissement, CIUSSS de l'Estrie - CHUS, 1036 Belvédère sud, Sherbrooke, J1H 4C4, Canada
| | - Bernadette Delplanque
- UMR 9197, Paris-Saclay Institute of Neurosciences (NeuroPSI), University of Paris-Saclay, CNRS, 151 route de la Rotonde, F-91400, Saclay, France
| | - Mohammed Taouis
- UMR 9197, Paris-Saclay Institute of Neurosciences (NeuroPSI), University of Paris-Saclay, CNRS, 151 route de la Rotonde, F-91400, Saclay, France
| | - Fabien Pifferi
- UMR CNRS MNHN 7179, 1 avenue du Petit Château, 91800, Brunoy, France.
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Berlin E, Lork AA, Bornecrantz M, Ernst C, Phan NTN. Lipid organization and turnover in the plasma membrane of human differentiating neural progenitor cells revealed by time-of-flight secondary ion mass spectrometry imaging. Talanta 2024; 272:125762. [PMID: 38394748 DOI: 10.1016/j.talanta.2024.125762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 01/03/2024] [Accepted: 02/06/2024] [Indexed: 02/25/2024]
Abstract
Membrane lipids have been known to influence multiple signalling and cellular processes. Dysregulation of lipids at the neuronal membrane is connected to a significant alteration of the brain function and morphology, leading to brain diseases and neurodegeneration. Understanding the lipid composition and turnover of neuronal membrane will provide a significant insight into the molecular events underlying the regulatory effects of these biomolecules in a neuronal system. In this study, we aimed to characterize the composition and turnover of the plasma membrane lipids in human neural progenitor cells (NPCs) at an early differentiation stage into midbrain neurons using ToF-SIMS imaging. Lipid composition of the native plasma membrane was explored, followed by an examination of the lipid turnover using different isotopically labelled lipid precursors, including 13C-choline, 13C-lauric acid, 15N-linoleic, and 13C-stearic. Our results showed that differentiating NPCs contain a high abundance of ceramides, glycerophosphoserines, neutral glycosphingolipids, diradylglycerols, and glycerophosphocholines at the plasma membrane. In addition, different precursors were found to incorporate into different membrane lipids which are specific for the short- or long-carbon chains, and the unsaturation or saturation stage of the precursors. The lipid structure of neuronal membrane reflects the differentiation status of NPCs, and it can be altered significantly using a particular lipid precursor. Our study illustrates a potential of ToF-SIMS imaging to study native plasma membrane lipids and elucidate complex cellular processes by providing molecular -rich information at a single cell level.
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Affiliation(s)
- Emmanuel Berlin
- Department of Chemistry and Molecular Biology, University of Gothenburg, SE-412 96 Gothenburg, Sweden
| | - Alicia A Lork
- Department of Chemistry and Molecular Biology, University of Gothenburg, SE-412 96 Gothenburg, Sweden
| | - Martin Bornecrantz
- Department of Chemistry and Molecular Biology, University of Gothenburg, SE-412 96 Gothenburg, Sweden
| | - Carl Ernst
- McGill University, Montreal Neurological Institute, Montreal, H3A 2B4, Canada
| | - Nhu T N Phan
- Department of Chemistry and Molecular Biology, University of Gothenburg, SE-412 96 Gothenburg, Sweden.
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Leonard M, Maury J, Dickerson B, Gonzalez DE, Kendra J, Jenkins V, Nottingham K, Yoo C, Xing D, Ko J, Pradelles R, Faries M, Kephart W, Sowinski R, Rasmussen CJ, Kreider RB. Effects of Dietary Supplementation of a Microalgae Extract Containing Fucoxanthin Combined with Guarana on Cognitive Function and Gaming Performance. Nutrients 2023; 15:nu15081918. [PMID: 37111136 PMCID: PMC10142384 DOI: 10.3390/nu15081918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 04/10/2023] [Accepted: 04/13/2023] [Indexed: 04/29/2023] Open
Abstract
BACKGROUND Esports competitive gaming requires selective visual attention, memory, quick judgment, and an ability to sustain psychomotor performance over time. Fucoxanthin is a carotenoid, found in specific microalgae varieties such as Phaeodactylum tricornutum (PT), that has been purported to possess nootropic and neuroprotective effects through its anti-inflammatory and antioxidant properties. This study evaluated whether acute and 30-day supplementation of an extract of PT from microalgae combined with guarana (a natural source of caffeine) affects cognitive function in gamers. MATERIALS AND METHODS In a double-blind, placebo-controlled manner, 61 experienced gamers (21.7 ± 4.1 years, 73 ± 13 kg) were randomly assigned to ingest a placebo (PL), a low-dose (LD) supplement containing 440 mg of PT extract including 1% fucoxanthin +500 mg of guarana containing 40-44 mg caffeine (MicroPhyt™, Microphyt, Baillargues, FR), or a high-dose (HD) supplement containing 880 mg of PT extract +500 mg of guarana for 30 days. At baseline, cognitive function tests were administered before supplementation, 15 min post-supplementation, and after 60 min of competitive gameplay with participants' most played video game. Participants continued supplementation for 30 days and then repeated pre-supplementation and post-gaming cognitive function tests. General linear model univariate analyses with repeated measures and changes from baseline with 95% confidence intervals were used to analyze data. RESULTS There was some evidence that acute and 30-day ingestion of the PT extract from microalgae with guarana improved reaction times, reasoning, learning, executive control, attention shifting (cognitive flexibility), and impulsiveness. While some effects were seen after acute ingestion, the greatest impact appeared after 30 days of supplementation, with some benefits seen in the LD and HD groups. Moreover, there was evidence that both doses of the PT extract from microalgae with guarana may support mood state after acute and 30-day supplementation. Registered clinical trial #NCT04851899.
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Affiliation(s)
- Megan Leonard
- Exercise & Sport Nutrition Lab, Department of Kinesiology and Sports Management, Texas A&M University, College Station, TX 77843, USA
| | - Jonathan Maury
- Microphyt, Research & Development Department, 34670 Baillargues, France
| | - Broderick Dickerson
- Exercise & Sport Nutrition Lab, Department of Kinesiology and Sports Management, Texas A&M University, College Station, TX 77843, USA
| | - Drew E Gonzalez
- Exercise & Sport Nutrition Lab, Department of Kinesiology and Sports Management, Texas A&M University, College Station, TX 77843, USA
| | - Jacob Kendra
- Exercise & Sport Nutrition Lab, Department of Kinesiology and Sports Management, Texas A&M University, College Station, TX 77843, USA
| | - Victoria Jenkins
- Exercise & Sport Nutrition Lab, Department of Kinesiology and Sports Management, Texas A&M University, College Station, TX 77843, USA
| | - Kay Nottingham
- Exercise & Sport Nutrition Lab, Department of Kinesiology and Sports Management, Texas A&M University, College Station, TX 77843, USA
| | - Choongsung Yoo
- Exercise & Sport Nutrition Lab, Department of Kinesiology and Sports Management, Texas A&M University, College Station, TX 77843, USA
| | - Dante Xing
- Exercise & Sport Nutrition Lab, Department of Kinesiology and Sports Management, Texas A&M University, College Station, TX 77843, USA
| | - Joungbo Ko
- Exercise & Sport Nutrition Lab, Department of Kinesiology and Sports Management, Texas A&M University, College Station, TX 77843, USA
| | - Rémi Pradelles
- Microphyt, Research & Development Department, 34670 Baillargues, France
| | - Mark Faries
- Exercise & Sport Nutrition Lab, Department of Kinesiology and Sports Management, Texas A&M University, College Station, TX 77843, USA
- Texas A&M AgriLife Extension, Texas A&M University, College Station, TX 77843, USA
| | - Wesley Kephart
- Department of Kinesiology, University of Wisconsin, Whitewater, WI 53190, USA
| | - Ryan Sowinski
- Exercise & Sport Nutrition Lab, Department of Kinesiology and Sports Management, Texas A&M University, College Station, TX 77843, USA
| | - Christopher J Rasmussen
- Exercise & Sport Nutrition Lab, Department of Kinesiology and Sports Management, Texas A&M University, College Station, TX 77843, USA
| | - Richard B Kreider
- Exercise & Sport Nutrition Lab, Department of Kinesiology and Sports Management, Texas A&M University, College Station, TX 77843, USA
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Griffith TA, Russell JS, Naghipour S, Helman TJ, Peart JN, Stapelberg NJ, Headrick JP, Du Toit EF. Behavioural disruption in diabetic mice: Neurobiological correlates and influences of dietary α-linolenic acid. Life Sci 2022; 311:121137. [DOI: 10.1016/j.lfs.2022.121137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 10/17/2022] [Accepted: 10/25/2022] [Indexed: 11/06/2022]
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Faccinetto-Beltrán P, Aguirre-López LO, Bañuelos-Pineda J, Reza-Zaldívar EE, Santacruz A, Hernández-Brenes C, Pérez-Carrillo E, Jacobo-Velázquez DA. Fish oil and probiotics supplementation through milk chocolate improves spatial learning and memory in male Wistar rats. Front Nutr 2022; 9:1023653. [DOI: 10.3389/fnut.2022.1023653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Accepted: 11/01/2022] [Indexed: 11/18/2022] Open
Abstract
BackgroundCognition and brain function is critical through childhood and should be improved with balanced diets. Incorporating bioactive ingredients such as omega-3 polyunsaturated fatty acids (ω3 PUFAs) and probiotics into food formulations could be used as an approach to improve cognitive function. This study evaluated the effects on cognitive capacity of complementing rodent diets with chocolate, by itself and in combination with ω3 PUFAs from fish oil and probiotics.MethodsSpatial learning and memory in the rats were determined by the Barnes maze test in short- and long-term memory. Samples from the cecum were obtained to assess microbial counts (Lactobacillus, Bifidobacterium, Enterobacteriaceae, and total bacteria), and brains were recovered to analyze the neural morphology of the tissues. Also, glucose, brain weights, and epididymal tissue were analyzed.ResultsThe combination of chocolate with fish oil and probiotics improved the memory of rats compared to the result of each bioactive compound when evaluated separately. Treatments did not affect sugar level, epididymal adipose tissue, or brain weight. On the other hand, consuming probiotics alone or in combination with chocolate decreased Enterobacteria counts, while Lactobacillus and Bifidobacteria counts were not affected. Neural morphological analysis showed that combining chocolate with probiotics and ω3 PUFAs increased the number of neurons in the hippocampal CA1 and CA3 regions.ConclusionChocolate added with probiotics and ω3 PUFAs improved spatial memory and learning in the studied model.
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Araujo JA, Segarra S, Mendes J, Paradis A, Brooks M, Thevarkunnel S, Milgram NW. Sphingolipids and DHA Improve Cognitive Deficits in Aged Beagle Dogs. Front Vet Sci 2022; 9:646451. [PMID: 35909696 PMCID: PMC9329143 DOI: 10.3389/fvets.2022.646451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2020] [Accepted: 06/10/2022] [Indexed: 11/13/2022] Open
Abstract
Canine cognitive dysfunction syndrome (CDS) is a disorder found in senior dogs that is typically defined by the development of specific behavioral signs which are attributed to pathological brain aging and no other medical causes. One way of objectively characterizing CDS is with the use of validated neuropsychological test batteries in aged Beagle dogs, which are a natural model of this condition. This study used a series of neuropsychological tests to evaluate the effectiveness of supplementation with a novel lipid extract containing porcine brain-derived sphingolipids (Biosfeen®) and docosahexaenoic acid (DHA) for attenuating cognitive deficits in aged Beagles. Two groups (n = 12), balanced for baseline cognitive test performance, received a daily oral dose of either test supplement, or placebo over a 6-month treatment phase. Cognitive function was evaluated using the following tasks: delayed non-matching to position (DNMP), selective attention, discrimination learning retention, discrimination reversal learning, and spatial discrimination acquisition and reversal learning. The effect of the supplement on brain metabolism using magnetic resonance spectroscopy (MRS) was also examined. A significant decline (p = 0.02) in DNMP performance was seen in placebo-treated dogs, but not in dogs receiving the supplement, suggesting attenuation of working memory performance decline. Compared to placebo, the supplemented group also demonstrated significantly improved (p = 0.01) performance on the most difficult pattern of the spatial discrimination task and on reversal learning of the same pattern (p = 0.01), potentially reflecting improved spatial recognition and executive function, respectively. MRS revealed a significant increase (p = 0.048) in frontal lobe glutamate and glutamine in the treatment group compared to placebo, indicating a physiological change which may be attributed to the supplement. Decreased levels of glutamate and glutamine have been correlated with cognitive decline, suggesting the observed increase in these metabolites might be linked to the positive cognitive effects found in the present study. Results of this study suggest the novel lipid extract may be beneficial for counteracting age-dependent deficits in Beagle dogs and supports further investigation into its use for treatment of CDS. Additionally, due to parallels between canine and human aging, these results might also have applicability for the use of the supplement in human cognitive health.
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Affiliation(s)
| | - Sergi Segarra
- R&D Bioiberica S.A.U., Esplugues de Llobregat, Barcelona, Spain
- *Correspondence: Sergi Segarra
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Chaudron Y, Pifferi F, Aujard F. Overview of age-related changes in psychomotor and cognitive functions in a prosimian primate, the gray mouse lemur (Microcebus murinus): Recent advances in risk factors and antiaging interventions. Am J Primatol 2021; 83:e23337. [PMID: 34706117 DOI: 10.1002/ajp.23337] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 09/23/2021] [Accepted: 09/25/2021] [Indexed: 01/13/2023]
Abstract
Aging is not homogeneous in humans and the determinants leading to differences between subjects are not fully understood. Impaired glucose homeostasis is a major risk factor for cognitive decline in middle-aged humans, pointing at the existence of early markers of unhealthy aging. The gray mouse lemur (Microcebus murinus), a small lemuriform Malagasy primate, shows relatively slow aging with decreased psychomotor capacities at middle-age (around 5-year old). In some cases (∼10%), it spontaneously leads to pathological aging. In this case, some age-related deficits, such as severe cognitive decline, brain atrophy, amyloidosis, and glucoregulatory imbalance are congruent with what is observed in humans. In the present review, we inventory the changes occurring in psychomotor and cognitive functions during healthy and pathological aging in mouse lemur. It includes a summary of the cerebral, metabolic, and cellular alterations that occur during aging and their relation to cognitive decline. As nutrition is one of the major nonpharmacological antiaging strategies with major potential effects on cognitive performances, we also discuss its role in brain functions and cognitive decline in this species. We show that the overall approach of aging studies in the gray mouse lemur offers promising ways of investigation for understanding, prevention, and treatments of pathological aging in humans.
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Affiliation(s)
- Yohann Chaudron
- UMR CNRS/MNHN 7179, Mécanismes Adaptatifs et Evolution, Brunoy, France
| | - Fabien Pifferi
- UMR CNRS/MNHN 7179, Mécanismes Adaptatifs et Evolution, Brunoy, France
| | - Fabienne Aujard
- UMR CNRS/MNHN 7179, Mécanismes Adaptatifs et Evolution, Brunoy, France
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Poulen G, Aloy E, Bringuier CM, Mestre-Francés N, Artus EV, Cardoso M, Perez JC, Goze-Bac C, Boukhaddaoui H, Lonjon N, Gerber YN, Perrin FE. Inhibiting microglia proliferation after spinal cord injury improves recovery in mice and nonhuman primates. Am J Cancer Res 2021; 11:8640-8659. [PMID: 34522204 PMCID: PMC8419033 DOI: 10.7150/thno.61833] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 06/27/2021] [Indexed: 12/14/2022] Open
Abstract
No curative treatment is available for any deficits induced by spinal cord injury (SCI). Following injury, microglia undergo highly diverse activation processes, including proliferation, and play a critical role on functional recovery. In a translational objective, we investigated whether a transient pharmacological reduction of microglia proliferation after injury is beneficial for functional recovery after SCI in mice and nonhuman primates. Methods: The colony stimulating factor-1 receptor (CSF1R) regulates proliferation, differentiation, and survival of microglia. We orally administrated GW2580, a CSF1R inhibitor that inhibits microglia proliferation. In mice and nonhuman primates, we then analyzed treatment outcomes on locomotor function and spinal cord pathology. Finally, we used cell-specific transcriptomic analysis to uncover GW2580-induced molecular changes in microglia. Results: First, transient post-injury GW2580 administration in mice improves motor function recovery, promotes tissue preservation and/or reorganization (identified by coherent anti-stokes Raman scattering microscopy), and modulates glial reactivity. Second, post-injury GW2580-treatment in nonhuman primates reduces microglia proliferation, improves motor function recovery, and promotes tissue protection. Finally, GW2580-treatment in mice induced down-regulation of proliferation-associated transcripts and inflammatory associated genes in microglia that may account for reduced neuroinflammation and improved functional recovery following SCI. Conclusion: Thus, a transient oral GW2580 treatment post-injury may provide a promising therapeutic strategy for SCI patients and may also be extended to other central nervous system disorders displaying microglia activation.
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Lamarre J, Cheema SK, Robertson GJ, Wilson DR. Omega-3 fatty acids accelerate fledging in an avian marine predator: a potential role of cognition. J Exp Biol 2021; 224:jeb.235929. [PMID: 33462136 PMCID: PMC7929930 DOI: 10.1242/jeb.235929] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Accepted: 01/12/2021] [Indexed: 12/16/2022]
Abstract
Consuming omega-3 fatty acids (n-3 LCPUFAs) during development improves cognition in mammals, but the effect remains untested in other taxa. In aquatic ecosystems, n-3 LCPUFAs are produced by phytoplankton and bioaccumulate in the food web. Alarmingly, the warming and acidification of aquatic systems caused by climate change impair n-3 LCPUFA production, with an anticipated decrease of 80% by the year 2100. We tested whether n-3 LCPUFA consumption affects the physiology, morphology, behaviour and cognition of the chicks of a top marine predator, the ring-billed gull. Using a colony with little access to n-3 LCPUFAs, we supplemented siblings from 22 fenced nests with contrasting treatments from hatching until fledging; one sibling received n-3 LCPUFA-rich fish oil and the other, a control sucrose solution without n-3 LCPUFAs. Halfway through the nestling period, half the chicks receiving fish oil were switched to the sucrose solution to test whether n-3 LCPUFA intake remains crucial past the main growth phase (chronic versus transient treatments). Upon fledging, n-3 LCPUFAs were elevated in the blood and brains of chicks receiving the chronic treatment, but were comparable to control levels among those receiving the transient treatment. Across the entire sample, chicks with elevated n-3 LCPUFAs in their tissues fledged earlier despite their morphology and activity levels being unrelated to fledging age. Fledging required chicks to escape fences encircling their nest. We therefore interpret fledging age as a possible indicator of cognition, with chicks with improved cognition fledging earlier. These results provide insight into whether declining dietary n-3 LCPUFAs will compromise top predators' problem-solving skills, and thus their ability to survive in a rapidly changing world.
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Affiliation(s)
- Jessika Lamarre
- Cognitive and Behavioural Ecology Program, Memorial University of Newfoundland, St John's, NL, Canada, A1B 3X9
| | - Sukhinder Kaur Cheema
- Department of Biochemistry, Memorial University of Newfoundland, St John's, NL, Canada, A1B 3X9
| | - Gregory J Robertson
- Wildlife Research Division, Environment and Climate Change Canada, Mount Pearl, NL, Canada, A1N 4T3
| | - David R Wilson
- Department of Psychology, Memorial University of Newfoundland, St John's, NL, Canada, A1B 3X9
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Cutuli D, Landolfo E, Nobili A, De Bartolo P, Sacchetti S, Chirico D, Marini F, Pieroni L, Ronci M, D'Amelio M, D'Amato FR, Farioli-Vecchioli S, Petrosini L. Behavioral, neuromorphological, and neurobiochemical effects induced by omega-3 fatty acids following basal forebrain cholinergic depletion in aged mice. ALZHEIMERS RESEARCH & THERAPY 2020; 12:150. [PMID: 33198763 PMCID: PMC7667851 DOI: 10.1186/s13195-020-00705-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 10/12/2020] [Indexed: 12/13/2022]
Abstract
Background In recent years, mechanistic, epidemiologic, and interventional studies have indicated beneficial effects of omega-3 polyunsaturated fatty acids (n-3 PUFA) against brain aging and age-related cognitive decline, with the most consistent effects against Alzheimer’s disease (AD) confined especially in the early or prodromal stages of the pathology. In the present study, we investigated the action of n-3 PUFA supplementation on behavioral performances and hippocampal neurogenesis, volume, and astrogliosis in aged mice subjected to a selective depletion of basal forebrain cholinergic neurons. Such a lesion represents a valuable model to mimic one of the most reliable hallmarks of early AD neuropathology. Methods Aged mice first underwent mu-p75-saporin immunotoxin intraventricular lesions to obtain a massive cholinergic depletion and then were orally supplemented with n-3 PUFA or olive oil (as isocaloric control) for 8 weeks. Four weeks after the beginning of the dietary supplementation, anxiety levels as well as mnesic, social, and depressive-like behaviors were evaluated. Subsequently, hippocampal morphological and biochemical analyses and n-3 PUFA brain quantification were carried out. Results The n-3 PUFA treatment regulated the anxiety alterations and reverted the novelty recognition memory impairment induced by the cholinergic depletion in aged mice. Moreover, n-3 PUFA preserved hippocampal volume, enhanced neurogenesis in the dentate gyrus, and reduced astrogliosis in the hippocampus. Brain levels of n-3 PUFA were positively related to mnesic abilities. Conclusions The demonstration that n-3 PUFA are able to counteract behavioral deficits and hippocampal neurodegeneration in cholinergically depleted aged mice promotes their use as a low-cost, safe nutraceutical tool to improve life quality at old age, even in the presence of first stages of AD.
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Affiliation(s)
- Debora Cutuli
- IRCCS Fondazione Santa Lucia, Rome, Italy. .,University of Rome "Sapienza", Rome, Italy.
| | - Eugenia Landolfo
- IRCCS Fondazione Santa Lucia, Rome, Italy.,University of Rome "Sapienza", Rome, Italy
| | - Annalisa Nobili
- IRCCS Fondazione Santa Lucia, Rome, Italy.,University "Campus Bio-Medico", Rome, Italy
| | - Paola De Bartolo
- IRCCS Fondazione Santa Lucia, Rome, Italy.,Department of Human Sciences, Guglielmo Marconi University, Rome, Italy
| | | | - Doriana Chirico
- Institute of Biochemistry and Cell Biology, CNR, Monterotondo, Italy
| | - Federica Marini
- Università Cattolica del Sacro Cuore, Rome, Italy.,IRCCS Fondazione Policlinico Universitario Agostino Gemelli, Rome, Italy
| | | | - Maurizio Ronci
- Department of Pharmacy, University G. D'Annunzio of Chieti-Pescara, Chieti, Italy
| | - Marcello D'Amelio
- IRCCS Fondazione Santa Lucia, Rome, Italy.,University "Campus Bio-Medico", Rome, Italy
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13
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Fritz RG, Zimmermann E, Meier M, Mestre-Francés N, Radespiel U, Schmidtke D. Neurobiological substrates of animal personality and cognition in a nonhuman primate (Microcebus murinus). Brain Behav 2020; 10:e01752. [PMID: 32683780 PMCID: PMC7507526 DOI: 10.1002/brb3.1752] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 05/31/2020] [Accepted: 06/22/2020] [Indexed: 12/16/2022] Open
Abstract
INTRODUCTION The gray mouse lemur (Microcebus murinus) is an important nonhuman primate model in biomedical research. Numerous studies investigated mouse lemur behavior and possible factors underlying interindividual variation in both, animal personality and cognitive performance. Some effects, such as an age-related decline in executive functioning, have robustly been found across laboratory colonies; however, little is known about the brain structural substrates in mouse lemurs. METHODS Here, we provide first exploratory data linking in vivo magnetic resonance imaging of 34 mouse lemurs to performance in a standardized, touchscreen-based task on object discrimination and reversal learning as well as to animal personality under different scenarios in an open field. RESULTS High interindividual variability in both brain morphometric and behavioral measurements was found, but only few significant correlations between brain structure and behavior were revealed: Object discrimination learning was linked to the volume of the hippocampus and to temporal lobe thickness, while reversal learning was linked to thalamic volume and the thickness of the anterior cingulate lobe. Emergence latency into the open field correlated with volume of the amygdala. General exploration-avoidance in the empty open-field arena correlated with thicknesses of the anterior cingulate lobe and fronto-parietal substructures. Neophilia, assessed as exploration of a novel object placed in the arena, among others, related to the volume of the caudate nucleus. CONCLUSION In summary, our data suggest a prominent role of temporal structures (including the hippocampus) for learning capability, as well as thalamic and anterior cingulate structures for cognitive flexibility and response inhibition. The amygdala, the anterior cingulate lobe, and the caudate nucleus are particularly linked to animal personality in the open-field setting. These findings are congruent with the comparative psychological literature and provide a valuable basis for future studies elucidating aspects of behavioral variation in this nonhuman primate model.
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Affiliation(s)
- Rebecca Grace Fritz
- Institute of Zoology, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Elke Zimmermann
- Institute of Zoology, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Martin Meier
- ZTL-Imaging, Institute of Laboratory Animal Science, Hannover Medical School, Hannover, Germany
| | | | - Ute Radespiel
- Institute of Zoology, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Daniel Schmidtke
- Institute of Zoology, University of Veterinary Medicine Hannover, Hannover, Germany
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14
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Schmidtke D, Zimmermann E, Trouche SG, Fontès P, Verdier JM, Mestre-Francés N. Linking cognition to age and amyloid-β burden in the brain of a nonhuman primate (Microcebus murinus). Neurobiol Aging 2020; 94:207-216. [PMID: 32650184 DOI: 10.1016/j.neurobiolaging.2020.03.025] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 03/04/2020] [Accepted: 03/26/2020] [Indexed: 12/22/2022]
Abstract
The gray mouse lemur (Microcebus murinus) is a valuable model in research on age-related proteopathies. This nonhuman primate, comparable to humans, naturally develops tau and amyloid-β proteopathies during aging. Whether these are linked to cognitive alterations is unknown. Here, standardized cognitive testing in pairwise discrimination and reversal learning in a sample of 37 aged (>5 years) subjects was combined with tau and amyloid-β histochemistry in individuals that died naturally. Correlation analyses in successfully tested subjects (n = 22) revealed a significant relation between object discrimination learning and age, strongly influenced by outliers, suggesting pathological cases. Where neuroimmunohistochemistry was possible, as subjects deceased, the naturally developed cortical amyloid-β burden was significantly linked to pretraining success (intraneuronal accumulations) and discrimination learning (extracellular deposits), showing that cognitive (pairwise discrimination) performance in old age predicts the natural accumulation of amyloid-β at death. This is the first description of a direct relation between the cortical amyloid-β burden and cognition in a nonhuman primate.
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Affiliation(s)
- Daniel Schmidtke
- Institute of Zoology, University of Veterinary Medicine Hannover, Hannover, Germany; Center for Systems Neuroscience Hannover, Hannover, Germany.
| | - Elke Zimmermann
- Institute of Zoology, University of Veterinary Medicine Hannover, Hannover, Germany; Center for Systems Neuroscience Hannover, Hannover, Germany
| | - Stéphanie G Trouche
- MMDN, University of Montpellier, EPHE, INSERM, U1198, PSL University, Montpellier, France
| | - Pascaline Fontès
- MMDN, University of Montpellier, EPHE, INSERM, U1198, PSL University, Montpellier, France
| | - Jean-Michel Verdier
- MMDN, University of Montpellier, EPHE, INSERM, U1198, PSL University, Montpellier, France
| | - Nadine Mestre-Francés
- MMDN, University of Montpellier, EPHE, INSERM, U1198, PSL University, Montpellier, France
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15
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Murakami M, Ikeda Y, Nakagawa Y, Tsuji A, Kitagishi Y, Matsuda S. Special bioactive compounds and functional foods may exhibit neuroprotective effects in patients with dementia (Review). Biomed Rep 2020; 13:1. [PMID: 32509304 PMCID: PMC7271706 DOI: 10.3892/br.2020.1310] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Accepted: 05/07/2020] [Indexed: 12/13/2022] Open
Abstract
Dementia is a failure of cognitive ability characterized by severe neurodegeneration in select neural systems, and Alzheimer's disease (AD) is the most common type of neurodegenerative disease. Although numerous studies have provided insights into the pathogenesis of AD, the underlying signaling and molecular pathways mediating the progressive decline of cognitive function remain poorly understood. Recent progress in molecular biology has provided an improved understanding of the importance of molecular pathogenesis of AD, and has proposed an association between DNA repair mechanisms and AD. In particular, the fundamental roles of phosphatase and tensin homologue deleted on chromosome 10 (PTEN) and breast cancer gene 1 (BRCA1) tumor suppressors have been shown to regulate the pathogenesis of neurodegeneration. Consequently, onset of neurodegenerative diseases may be deferred with the use of dietary neuroprotective agents which alter the signaling mediated by the aforementioned tumor suppressors. In a healthy neuron, homeostasis of key intracellular molecules is of great importance, and preventing neuronal apoptosis is one of the primary goals of treatments designed for dementia-associated diseases. In the present review, progress into the understanding of dietary regulation for preventing or limiting development of dementia is discussed with a focus on the modulatory roles of PTEN and BRCA1 signaling.
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Affiliation(s)
- Mutsumi Murakami
- Department of Food Science and Nutrition, Nara Women's University, Kita-Uoya Nishimachi, Nara 630-8506, Japan
| | - Yuka Ikeda
- Department of Food Science and Nutrition, Nara Women's University, Kita-Uoya Nishimachi, Nara 630-8506, Japan
| | - Yukie Nakagawa
- Department of Food Science and Nutrition, Nara Women's University, Kita-Uoya Nishimachi, Nara 630-8506, Japan
| | - Ai Tsuji
- Department of Food Science and Nutrition, Nara Women's University, Kita-Uoya Nishimachi, Nara 630-8506, Japan
| | - Yasuko Kitagishi
- Department of Food Science and Nutrition, Nara Women's University, Kita-Uoya Nishimachi, Nara 630-8506, Japan
| | - Satoru Matsuda
- Department of Food Science and Nutrition, Nara Women's University, Kita-Uoya Nishimachi, Nara 630-8506, Japan
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16
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Pifferi F, Cunnane SC, Guesnet P. Evidence of the Role of Omega-3 Polyunsaturated Fatty Acids in Brain Glucose Metabolism. Nutrients 2020; 12:nu12051382. [PMID: 32408634 PMCID: PMC7285025 DOI: 10.3390/nu12051382] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 05/11/2020] [Accepted: 05/11/2020] [Indexed: 11/30/2022] Open
Abstract
In mammals, brain function, particularly neuronal activity, has high energy needs. When glucose is supplemented by alternative oxidative substrates under different physiological conditions, these fuels do not fully replace the functions fulfilled by glucose. Thus, it is of major importance that the brain is almost continuously supplied with glucose from the circulation. Numerous studies describe the decrease in brain glucose metabolism during healthy or pathological ageing, but little is known about the mechanisms that cause such impairment. Although it appears difficult to determine the exact role of brain glucose hypometabolism during healthy ageing or during age-related neurodegenerative diseases such as Alzheimer’s disease, uninterrupted glucose supply to the brain is still of major importance for proper brain function. Interestingly, a body of evidence suggests that dietary n-3 polyunsaturated fatty acids (PUFAs) might play significant roles in brain glucose regulation. Thus, the goal of the present review is to summarize this evidence and address the role of n-3 PUFAs in brain energy metabolism. Taken together, these data suggest that ensuring an adequate dietary supply of n-3 PUFAs could constitute an essential aspect of a promising strategy to promote optimal brain function during both healthy and pathological ageing.
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Affiliation(s)
- Fabien Pifferi
- Unité Mixte de Recherche (UMR), Centre Nationnal de la Recherche Scientifique (CNRS), Museum National d’Histoire Naturelle (MNHN) 7179, Mécanismes Adaptatifs et Evolution (MECADEV), 1 Avenue du Petit Château, 91800 Brunoy, France
- Correspondence:
| | - Stephen C. Cunnane
- Department of Medicine, Université de Sherbrooke, Sherbrooke, QC J1H 5N4, Canada;
- Research Center on Aging, Sherbrooke, QC J1H 4C4, Canada
- Department of Pharmacology and Physiology, Université de Sherbrooke, Sherbrooke, QC J1H 5N4, Canada
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17
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Pifferi F, Epelbaum J, Aujard F. Strengths and Weaknesses of the Gray Mouse Lemur ( Microcebus murinus) as a Model for the Behavioral and Psychological Symptoms and Neuropsychiatric Symptoms of Dementia. Front Pharmacol 2019; 10:1291. [PMID: 31736761 PMCID: PMC6833941 DOI: 10.3389/fphar.2019.01291] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Accepted: 10/09/2019] [Indexed: 01/12/2023] Open
Abstract
To face the load of the prevalence of Alzheimer’s disease in the aging population, there is an urgent need to develop more translatable animal models with similarities to humans in both the symptomatology and physiopathology of dementia. Due to their close evolutionary similarity to humans, non-human primates (NHPs) are of primary interest. Of the NHPs, to date, the gray mouse lemur (Microcebus murinus) has shown promising evidence of its translatability to humans. The present review reports the known advantages and limitations of using this species at all levels of investigation in the context of neuropsychiatric conditions. In this easily bred Malagasy primate with a relatively short life span (approximately 12 years), age-related cognitive decline, amyloid angiopathy, and risk factors (i.e., glucoregulatory imbalance) are congruent with those observed in humans. More specifically, analogous behavioral and psychological symptoms and neuropsychiatric symptoms of dementia (BPSD/NPS) to those in humans can be found in the aging mouse lemur. Aged mouse lemurs show typical age-related alterations of locomotor activity daily rhythms such as decreased rhythm amplitude, increased fragmentation, and increased activity during the resting-sleeping phase of the day and desynchronization with the light-dark cycle. In addition, sleep deprivation successfully induces cognitive deficits in adult mouse lemurs, and the effectiveness of approved cognitive enhancers such as acetylcholinesterase inhibitors or N-methyl-D-aspartate antagonists is demonstrated in sleep–deprived animals. This result supports the translational potential of this animal model, especially for unraveling the mechanisms underlying dementia and for developing novel therapeutics to prevent age-associated cognitive decline. In conclusion, actual knowledge of BPSD/NPS-like symptoms of age-related cognitive deficits in the gray mouse lemur and the recent demonstration of the similarity of these symptoms with those seen in humans offer promising new ways of investigating both the prevention and treatment of pathological aging.
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Affiliation(s)
- Fabien Pifferi
- UMR CNRS/MNHN 7179, Mécanismes Adaptatifs et Evolution, Brunoy, France
| | - Jacques Epelbaum
- UMR CNRS/MNHN 7179, Mécanismes Adaptatifs et Evolution, Brunoy, France.,Unité Mixte de Recherche en Santé 894 INSERM, Centre de Psychiatrie et Neurosciences, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Fabienne Aujard
- UMR CNRS/MNHN 7179, Mécanismes Adaptatifs et Evolution, Brunoy, France
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18
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Wahab RJ, Beth SA, Derks IPM, Jansen PW, Moll HA, Kiefte-de Jong JC. Celiac Disease Autoimmunity and Emotional and Behavioral Problems in Childhood. Pediatrics 2019; 144:peds.2018-3933. [PMID: 31492765 DOI: 10.1542/peds.2018-3933] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/12/2019] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND AND OBJECTIVES Celiac disease (CeD) is associated with psychopathology in children. It is unknown whether this association is present in children with celiac disease autoimmunity (CDA) identified by screening. We examined the associations between subclinical CDA and emotional and behavioral problems in children without previous CeD diagnosis. METHODS In a population-based cohort study of 3715 children (median age: 6 years), blood titers of tissue transglutaminase autoantibodies were analyzed. CDA was defined as a measurement of tissue transglutaminase autoantibodies ≥7 U/mL (n = 51). Children with previous CeD diagnosis or children on a gluten-free diet, were excluded. The Child Behavior Checklist (CBCL) was filled in by parents and was used to assess behavioral and emotional problems of children at a median age of 5.9 years. Multiple linear regression models were applied to evaluate the cross-sectional associations between CDA and CBCL scores. Sensitivity analyses were done in a subgroup of children who were seropositive carrying the HLA antigen risk alleles for CeD. RESULTS In basic models, CDA was not associated with emotional and behavioral problems on the CBCL scales. After adjustment for confounders, CDA was significantly associated with anxiety problems (β = .29; 95% confidence interval 0.02 to 0.55; P = .02). After exclusion of children who did not carry the HLA-DQ2 and/or HLA-DQ8 risk alleles (n = 4), CDA was additionally associated with oppositional defiant problems (β = .35; 95% confidence interval 0.02 to 0.69). Associations were not explained by gastrointestinal complaints. CONCLUSIONS Our results reveal that CDA, especially combined with the HLA-DQ2 and HLA-DQ8 risk alleles, is associated with anxiety problems and oppositional defiant problems. Further research should be used to establish whether behavioral problems are a reflection of subclinical CeD.
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Affiliation(s)
- Rama J Wahab
- Generation R Study Group and.,Department of Pediatrics, Erasmus University Medical Center, Rotterdam, Netherlands
| | - Sytske A Beth
- Generation R Study Group and.,Department of Pediatrics, Erasmus University Medical Center, Rotterdam, Netherlands
| | - Ivonne P M Derks
- Generation R Study Group and.,Departments of Child and Adolescent Psychiatry and Psychology and
| | - Pauline W Jansen
- Departments of Child and Adolescent Psychiatry and Psychology and.,Psychology, Education, and Child Studies, Erasmus University Rotterdam, Rotterdam, Netherlands; and
| | - Henriëtte A Moll
- Department of Pediatrics, Erasmus University Medical Center, Rotterdam, Netherlands
| | - Jessica C Kiefte-de Jong
- Department of Pediatrics, Erasmus University Medical Center, Rotterdam, Netherlands; .,Department of Public Health and Primary Care, Campus The Hague, Leiden University Medical Center, The Hague, Netherlands
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19
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Santos P, Herrmann AP, Elisabetsky E, Piato A. Anxiolytic properties of compounds that counteract oxidative stress, neuroinflammation, and glutamatergic dysfunction: a review. ACTA ACUST UNITED AC 2018; 41:168-178. [PMID: 30328963 PMCID: PMC6781690 DOI: 10.1590/1516-4446-2018-0005] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Accepted: 01/31/2018] [Indexed: 01/27/2023]
Abstract
Objective: Anxiety disorders are highly prevalent and the efficacy of the available anxiolytic drugs is less than desired. Adverse effects also compromise patient quality of life and adherence to treatment. Accumulating evidence shows that the pathophysiology of anxiety and related disorders is multifactorial, involving oxidative stress, neuroinflammation, and glutamatergic dysfunction. The aim of this review was to evaluate data from animal studies and clinical trials showing the anxiolytic effects of agents whose mechanisms of action target these multiple domains. Methods: The PubMed database was searched for multitarget agents that had been evaluated in animal models of anxiety, as well as randomized double-blind placebo-controlled clinical trials of anxiety and/or anxiety related disorders. Results: The main multitarget agents that have shown consistent anxiolytic effects in various animal models of anxiety, as well in clinical trials, are agomelatine, N-acetylcysteine (NAC), and omega-3 fatty acids. Data from clinical trials are preliminary at best, but reveal good safety profiles and tolerance to adverse effects. Conclusion: Agomelatine, NAC and omega-3 fatty acids show beneficial effects in clinical conditions where mainstream treatments are ineffective. These three multitarget agents are considered promising candidates for innovative, effective, and better-tolerated anxiolytics.
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Affiliation(s)
- Patrícia Santos
- Programa de Pós-Graduação em Farmacologia e Terapêutica, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Ana P Herrmann
- Programa de Pós-Graduação em Farmacologia e Terapêutica, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Elaine Elisabetsky
- Programa de Pós-Graduação em Farmacologia e Terapêutica, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Angelo Piato
- Programa de Pós-Graduação em Farmacologia e Terapêutica, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
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20
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Effects of n-3 polyunsaturated fatty acid supplementation on cognitive functions, electrocortical activity and neurogenesis in a non-human primate, the grey mouse lemur (Microcebus murinus). Behav Brain Res 2018; 347:394-407. [DOI: 10.1016/j.bbr.2018.02.029] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Revised: 02/21/2018] [Accepted: 02/21/2018] [Indexed: 12/13/2022]
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21
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Steyn SF, Harvey BH, Brink CB. Immediate and long-term antidepressive-like effects of pre-pubertal escitalopram and omega-3 supplementation combination in young adult stress-sensitive rats. Behav Brain Res 2018; 351:49-62. [PMID: 29807070 DOI: 10.1016/j.bbr.2018.05.021] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Revised: 05/22/2018] [Accepted: 05/22/2018] [Indexed: 02/06/2023]
Abstract
Major depressive disorder (MDD) affects a significant number of children and adolescents, yet treatment options for this population remain very limited. Escitalopram (ESC) is one of only two antidepressants approved as treatment for juvenile depression. Still, delayed onset of action, and immediate plus the risk of lasting side effects contribute to low patient adherence, and places the medical prescriber in a difficult situation weighing the potential long-term effects of juvenile treatment against the known consequences of untreated MDD. Research into alternative or augmentation strategies and their long-term effects are needed to improve clinical outcome and better our understanding of the long-term consequences of early-life treatment. We investigated the early-life (postnatal day 35 (PND35)) and lasting (PND60) bio-behavioural effects of pre-pubertal (PND21 to PND34) escitalopram (ESC) administration and/or ω-3 supplementation (OM3) in stress sensitive Flinders Sensitive Line rats. Only ESC treatment showed a strong trend to decrease depressive-like behaviour via significantly increased climbing behaviour on PND35. However, OM3 treatment reduced locomotor activity and increased hippocampal neuroplasticity on PND35, suggesting improved coping behaviour and masking of possible antidepressant-like effects. Reduced locomotor activity lasted into early-adulthood on PND60, despite a treatment-free period from PND35 to PND60. Regardless, early-adulthood antidepressive-like behaviour was only observed in the combination treatment (ESC + OM3) group, despite a significant increase in serotonin turnover, suggesting strong neurodevelopmental process to be involved. Taken together, the combination of ESC and OM3 might induce lasting beneficial neurodevelopmental effects in a stress-sensitive population, suggesting a possible role in current treatment strategies.
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Affiliation(s)
- Stephanus F Steyn
- Centre of Excellence for Pharmaceutical Sciences, Faculty of Health Sciences, North West-University, South Africa
| | - Brian H Harvey
- Centre of Excellence for Pharmaceutical Sciences, Faculty of Health Sciences, North West-University, South Africa
| | - Christiaan B Brink
- Centre of Excellence for Pharmaceutical Sciences, Faculty of Health Sciences, North West-University, South Africa.
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22
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Baéza E, Chartrin P, Bordeau T, Lessire M, Thoby JM, Gigaud V, Blanchet M, Alinier A, Leterrier C. Omega-3 polyunsaturated fatty acids provided during embryonic development improve the growth performance and welfare of Muscovy ducks (Cairina moschata). Poult Sci 2018; 96:3176-3187. [PMID: 28854755 DOI: 10.3382/ps/pex147] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Accepted: 05/10/2017] [Indexed: 12/14/2022] Open
Abstract
The welfare of ducks can be affected by unwanted behaviors such as excessive reactivity and feather pecking. Providing long-chain n-3 polyunsaturated fatty acids (LC n-3 PUFA) during gestation and early life has been shown to improve the brain development and function of human and rodent offspring. The aim of this study was to test whether the pecking behavior of Muscovy ducks during rearing could be reduced by providing LC n-3 PUFA during embryonic and/or post-hatching development of ducklings. Enrichment of eggs, and consequently embryos, with LC n-3 PUFA was achieved by feeding female ducks (n-3F) a diet containing docosahexaenoic (DHA) and linolenic acids (microalgae and linseed oil). A control group of female ducks (CF) was fed a diet containing linoleic acid (soybean oil). Offspring from both groups were fed starter and grower diets enriched with DHA and linolenic acid or only linoleic acid, resulting in four treatment groups with 48 ducklings in each. Several behavioral tests were performed between 1 and 3 weeks of age to analyze the adaptation ability of ducklings. The growth performance, time budget, social interactions, feather growth, and pecking behavior of ducklings were recorded regularly during the rearing period. No significant interaction between maternal and duckling feeding was found. Ducklings from n-3F ducks had a higher body weight at day 0, 28, and 56, a lower feed conversion ratio during the growth period, and lower reactivity to stress than ducklings from CF ducks. Ducklings from n-3F ducks also exhibited a significantly reduced feather pecking frequency at 49 and 56 days of age and for the whole rearing period. Moreover, consumption of diets enriched with n-3 PUFA during the starter and grower post-hatching periods significantly improved the tibia mineralization of ducklings and the fatty acid composition of thigh muscles at 84 days of age by increasing the n-3 FA content.
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Affiliation(s)
- E Baéza
- INRA, UR83 Recherches Avicoles, F-37380 Nouzilly, France.
| | - P Chartrin
- INRA, UR83 Recherches Avicoles, F-37380 Nouzilly, France
| | - T Bordeau
- INRA, UR83 Recherches Avicoles, F-37380 Nouzilly, France
| | - M Lessire
- INRA, UR83 Recherches Avicoles, F-37380 Nouzilly, France
| | - J M Thoby
- DSM Nutritional Products France, 19 avenue Dubonnet, 92400 Courbevoie, France
| | - V Gigaud
- DSM Nutritional Products France, 19 avenue Dubonnet, 92400 Courbevoie, France
| | - M Blanchet
- Grimaud Frères Sélection, La Corbière, F-49450 Roussay, France
| | - A Alinier
- Grimaud Frères Sélection, La Corbière, F-49450 Roussay, France
| | - C Leterrier
- INRA, UMR85 Physiologie de la Reproduction et des Comportements, F-37380 Nouzilly, France
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23
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Matsui F, Hecht P, Yoshimoto K, Watanabe Y, Morimoto M, Fritsche K, Will M, Beversdorf D. DHA Mitigates Autistic Behaviors Accompanied by Dopaminergic Change in a Gene/Prenatal Stress Mouse Model. Neuroscience 2017; 371:407-419. [PMID: 29288796 DOI: 10.1016/j.neuroscience.2017.12.029] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2017] [Revised: 12/18/2017] [Accepted: 12/20/2017] [Indexed: 12/20/2022]
Abstract
Autism Spectrum Disorder (ASD) is characterized by impairments in social interaction, social communication, and repetitive and stereotyped behaviors. Recent work has begun to explore gene × environmental interactions in the etiology of ASD. We previously reported that prenatal stress exposure in stress-susceptible heterozygous serotonin transporter (SERT) KO pregnant dams in a mouse model resulted in autism-like behavior in the offspring (SERT/S mice). The association between prenatal stress and ASD appears to be affected by maternal SERT genotype in clinical populations as well. Using the mouse model, we examined autistic-like behaviors in greater detail, and additionally explored whether diet supplementation with docosahexaenoic acid (DHA) may mitigate the behavioral changes. Only male SERT/S mice showed social impairment and stereotyped behavior, and DHA supplementation ameliorated some of these behaviors. We also measured monoamine levels in the SERT/S mice after three treatment paradigms: DHA-rich diet continuously from breeding (DHA diet), DHA-rich diet only after weaning (CTL/DHA diet) and control diet only (CTL diet). The dopamine (DA) content in the striatum was significantly increased in the SERT/S mice compared with wild-type (WT) mice, whereas no difference was observed with noradrenaline and serotonin content. Moreover, DA content in the striatum was significantly reduced in the SERT/S mice with the DHA-rich diet provided continuously from breeding. The results indicate that autism-associated behaviors and changes in the dopaminergic system in this setting can be mitigated with DHA supplementation.
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Affiliation(s)
- Fumihiro Matsui
- Department of Radiology, University of Missouri, Columbia, MO, USA; Department of Pediatrics, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Patrick Hecht
- Interdisciplinary Neuroscience Program, University of Missouri, Columbia, MO, USA
| | - Kanji Yoshimoto
- Department of Food Science and Biotechnology, Hiroshima Institute of Technology, Hiroshima, Japan
| | - Yoshihisa Watanabe
- Department of Basic Geriatrics, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Masafumi Morimoto
- Department of Pediatrics, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Kevin Fritsche
- Department of Nutrition and Exercise Physiology, University of Missouri, Columbia, MO, USA
| | - Matthew Will
- Department of Psychological Sciences, University of Missouri, Columbia, MO, USA
| | - David Beversdorf
- Department of Radiology, University of Missouri, Columbia, MO, USA; Interdisciplinary Neuroscience Program, University of Missouri, Columbia, MO, USA; Department of Psychological Sciences, University of Missouri, Columbia, MO, USA; Departments of Radiology and Neurology, William and Nancy Thompson Chair in Radiology, University of Missouri, Columbia, MO, USA.
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Zárate R, el Jaber-Vazdekis N, Tejera N, Pérez JA, Rodríguez C. Significance of long chain polyunsaturated fatty acids in human health. Clin Transl Med 2017; 6:25. [PMID: 28752333 PMCID: PMC5532176 DOI: 10.1186/s40169-017-0153-6] [Citation(s) in RCA: 279] [Impact Index Per Article: 39.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2017] [Accepted: 07/11/2017] [Indexed: 12/12/2022] Open
Abstract
In the last decades, the development of new technologies applied to lipidomics has revitalized the analysis of lipid profile alterations and the understanding of the underlying molecular mechanisms of lipid metabolism, together with their involvement in the occurrence of human disease. Of particular interest is the study of omega-3 and omega-6 long chain polyunsaturated fatty acids (LC-PUFAs), notably EPA (eicosapentaenoic acid, 20:5n-3), DHA (docosahexaenoic acid, 22:6n-3), and ARA (arachidonic acid, 20:4n-6), and their transformation into bioactive lipid mediators. In this sense, new families of PUFA-derived lipid mediators, including resolvins derived from EPA and DHA, and protectins and maresins derived from DHA, are being increasingly investigated because of their active role in the "return to homeostasis" process and resolution of inflammation. Recent findings reviewed in the present study highlight that the omega-6 fatty acid ARA appears increased, and omega-3 EPA and DHA decreased in most cancer tissues compared to normal ones, and that increments in omega-3 LC-PUFAs consumption and an omega-6/omega-3 ratio of 2-4:1, are associated with a reduced risk of breast, prostate, colon and renal cancers. Along with their lipid-lowering properties, omega-3 LC-PUFAs also exert cardioprotective functions, such as reducing platelet aggregation and inflammation, and controlling the presence of DHA in our body, especially in our liver and brain, which is crucial for optimal brain functionality. Considering that DHA is the principal omega-3 FA in cortical gray matter, the importance of DHA intake and its derived lipid mediators have been recently reported in patients with major depressive and bipolar disorders, Alzheimer disease, Parkinson's disease, and amyotrophic lateral sclerosis. The present study reviews the relationships between major diseases occurring today in the Western world and LC-PUFAs. More specifically this review focuses on the dietary omega-3 LC-PUFAs and the omega-6/omega-3 balance, in a wide range of inflammation disorders, including autoimmune diseases. This review suggests that the current recommendations of consumption and/or supplementation of omega-3 FAs are specific to particular groups of age and physiological status, and still need more fine tuning for overall human health and well being.
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Affiliation(s)
- Rafael Zárate
- Canary Islands Cancer Research Institute (ICIC), Ave. La Trinidad 61, Torre A. Arévalo, 7th floor, 38204 La Laguna, Tenerife Spain
| | - Nabil el Jaber-Vazdekis
- Centre Algatech, Institute of Microbiology, Academy of Sciences of the Czech Republic, Třeboň, Czech Republic
| | - Noemi Tejera
- Department of Nutrition and Preventive Medicine, Norwich Medical School, University of East Anglia, Norwich, NR4 7UQ UK
| | - José A. Pérez
- Department of Animal Biology, Soil Science and Geology (Animal Physiology Unit), Faculty of Sciences, Universidad de La Laguna, Ave. Astrofísico Francisco Sánchez s/n, 38206 La Laguna, Tenerife Spain
| | - Covadonga Rodríguez
- Department of Animal Biology, Soil Science and Geology (Animal Physiology Unit), Faculty of Sciences, Universidad de La Laguna, Ave. Astrofísico Francisco Sánchez s/n, 38206 La Laguna, Tenerife Spain
- Institute of Biomedical Technologies (ITB), Universidad de La Laguna, Campus de Ofra, 38071 La Laguna, Tenerife Spain
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Ozkan A, Parlak H, Tanriover G, Dilmac S, Ulker SN, Birsen I, Agar A. The protective mechanism of docosahexaenoic acid in mouse model of Parkinson: The role of hemeoxygenase. Neurochem Int 2016; 101:S0197-0186(16)30159-0. [PMID: 27984168 DOI: 10.1016/j.neuint.2016.10.012] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2016] [Revised: 10/18/2016] [Accepted: 10/26/2016] [Indexed: 12/17/2022]
Abstract
Parkinson's disease (PD) is characterized by degeneration of the dopaminergic neurons in substantia nigra (SN). Its major clinical symptoms are tremor, rigidity, bradykinesia and postural instability. Docosahexaenoic acid (DHA) is an essential fatty acid for neural functions that resides within the neural membrane. A decline in fatty acid concentration is observed in case of neurodegenerative diseases such as PD. The present study aimed to explore the role of the heme oxygenase (HO) enzyme in protective effects of DHA administration in an experimental model of PD by using the neurotoxin 1-Methly-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP). Three-month old male C57BL/6 mice were randomly divided into 4 groups as Control, DHA-treated (DHA), MPTP-injected (MPTP) and DHA-treated + MPTP injected (DHA + MPTP). DHA was administered daily (36 mg kg-1 day-1) by gavage to DHA and DHA + MPTP groups for 30 days. On the 23rd day of DHA administration, MPTP was intraperitoneally injected at a dose of 4 × 20 mg kg-1 with 2-hr. intervals. Motor activities of mice were evaluated by pole test, locomotor activity and rotarod tests on the 7th day of the utilization of experimental Parkinson's model. Total brain tissues were used in immunohistochemical analysis of the tyrosine hydroxylase (TH) and Nuclear factor E2 related factor2 (Nrf2). SN tissues were extracted for biochemical analysis. HO-1 and HO-2 protein levels were detected by western blotting. Further, HO activity was measured by spectrophotometric assay. As an indicator of motor coordination and balance, the rotarod test at 40 rpm showed that MPTP-treated animals exhibited shorter time on the rotating rod mill, which was significantly increased by DHA treatment in DHA + MPTP group. The total locomotor activity, ambulatory movement and total distance were decreased in MPTP group, whereas they were improved upon DHA treatment. The results of the pole test indicating the intensity of the bradykinesia showed that the T-turn and T-total were increased in MPTP group, while DHA treatment significantly shortened both parameters. The number of TH-positive cells in SN was significantly reduced in MPTP group compared to the Control and DHA + MPTP groups. Also, immunoreactive Nrf2 levels were clearly increased in MPTP group compared to DHA + MPTP group. HO-1 expression level decreased in the DHA + MPTP group compared to MPTP group. The results of the present study indicated that DHA has protective effects on dopaminergic neurons in MPTP-induced experimental model of PD. In addition, the pathways of HO-1 and HO-2 might participate in this protective mechanism.
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Affiliation(s)
- Ayse Ozkan
- Akdeniz University, Faculty of Medicine, Department of Physiology, Antalya, Turkey.
| | - Hande Parlak
- Akdeniz University, Faculty of Medicine, Department of Physiology, Antalya, Turkey
| | - Gamze Tanriover
- Akdeniz University, Faculty of Medicine, Department of Histology and Embryology, Antalya, Turkey
| | - Sayra Dilmac
- Akdeniz University, Faculty of Medicine, Department of Histology and Embryology, Antalya, Turkey
| | | | - Ilknur Birsen
- Akdeniz University, Faculty of Medicine, Department of Physiology, Antalya, Turkey
| | - Aysel Agar
- Akdeniz University, Faculty of Medicine, Department of Physiology, Antalya, Turkey
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Bahbiti Y, Ammouri H, Berkiks I, Hessni AE, Ouichou A, Nakache R, Chakit M, Bikjdaouene L, Mesfioui A. Anticonvulsant effect of argan oil on pilocarpine model induced status epilepticus in wistar rats. Nutr Neurosci 2016; 21:116-122. [PMID: 27617842 DOI: 10.1080/1028415x.2016.1228492] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Argan oil (AO) is rich in oleic and linoleic acids, polyphenols, sterols, and tocopherols. This composition gives it numerous beneficial pharmacological effects such as hypolipemiant, hypotensive, and antiproliferative. Oxidative stress is a mechanism of cell death induced by seizures and status epilepticus (SE). This study aims at investigating AO effects on (i) latency to first seizure, seizure severity, weight loss, mortality rate, (ii) lipid peroxidation level, nitrite level, and catalase activity in the hippocampus after SE induced by pilocarpine (PC). Wistar rats (1-month old) were daily administered by oral gavage with AO (1 ml/100 g/day) or with NaCl 0.9% during 2 months before receiving PC (400 mg/kg). After the PC injection, all groups were observed for 24 h. The catalase activity, the lipid peroxidation, and nitrite concentrations were measured using spectrophotometric methods. AO pretreatment increased the latency to first seizures, decreased the weight loss, and reduced mortality rate after SE. AO pretreatment produces significant decrease of the lipid peroxidation and nitrite levels. On the contrary, AO increased the catalase activity in rat hippocampus after seizures. For the first time, our results suggest that AO pretreatment is capable of attenuating seizure severity and oxidative stress in the hippocampus of Wistar rats. This indicates that AO may exhibit a neuroprotection against the temporal lobe epilepsy. Further investigations are in progress to confirm this pharmacological property.
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Affiliation(s)
- Youssef Bahbiti
- a Laboratory of Genetic, Neuroendocrinology and Biotechnology, Faculty of Sciences, Ibn Tofail University, Kenitra, Morocco
| | - Hammou Ammouri
- a Laboratory of Genetic, Neuroendocrinology and Biotechnology, Faculty of Sciences, Ibn Tofail University, Kenitra, Morocco
| | - Inssaf Berkiks
- a Laboratory of Genetic, Neuroendocrinology and Biotechnology, Faculty of Sciences, Ibn Tofail University, Kenitra, Morocco
| | - Aboubaker El Hessni
- a Laboratory of Genetic, Neuroendocrinology and Biotechnology, Faculty of Sciences, Ibn Tofail University, Kenitra, Morocco
| | - Ali Ouichou
- a Laboratory of Genetic, Neuroendocrinology and Biotechnology, Faculty of Sciences, Ibn Tofail University, Kenitra, Morocco
| | - Redouan Nakache
- a Laboratory of Genetic, Neuroendocrinology and Biotechnology, Faculty of Sciences, Ibn Tofail University, Kenitra, Morocco
| | - Miloud Chakit
- a Laboratory of Genetic, Neuroendocrinology and Biotechnology, Faculty of Sciences, Ibn Tofail University, Kenitra, Morocco
| | - Leila Bikjdaouene
- a Laboratory of Genetic, Neuroendocrinology and Biotechnology, Faculty of Sciences, Ibn Tofail University, Kenitra, Morocco
| | - Abdelhalem Mesfioui
- a Laboratory of Genetic, Neuroendocrinology and Biotechnology, Faculty of Sciences, Ibn Tofail University, Kenitra, Morocco
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Knöchel C, Voss M, Grüter F, Alves GS, Matura S, Sepanski B, Stäblein M, Wenzler S, Prvulovic D, Carvalho AF, Oertel-Knöchel V. Omega 3 Fatty Acids: Novel Neurotherapeutic Targets for Cognitive Dysfunction in Mood Disorders and Schizophrenia? Curr Neuropharmacol 2016; 13:663-80. [PMID: 26467414 PMCID: PMC4761636 DOI: 10.2174/1570159x13666150630173047] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2015] [Revised: 02/25/2015] [Accepted: 02/27/2015] [Indexed: 01/23/2023] Open
Abstract
An increasing body of evidences from preclinical as well as epidemiological and clinical
studies suggest a potential beneficial role of dietary intake of omega-3 fatty acids for cognitive functioning.
In this narrative review, we will summarize and discuss recent findings from epidemiological, interventional
and experimental studies linking dietary consumption of omega-3 fatty acids to cognitive
function in healthy adults. Furthermore, affective disorders and schizophrenia (SZ) are characterized
by cognitive dysfunction encompassing several domains. Cognitive dysfunction is closely related to impaired functioning
and quality of life across these conditions. Therefore, the current review focues on the potential influence of omega-3 fatty
acids on cognition in SZ and affective disorders. In sum, current data predominantly from mechanistic models and animal
studies suggest that adjunctive omega-3 fatty acid supplementation could lead to improved cognitive functioning in SZ
and affective disorders. However, besides its translational promise, evidence for clinical benefits in humans has been
mixed. Notwithstanding evidences indicate that adjunctive omega-3 fatty acids may have benefit for affective symptoms
in both unipolar and bipolar depression, to date no randomized controlled trial had evaluated omega-3 as cognitive
enhancer for mood disorders, while a single published controlled trial suggested no therapeutic benefit for cognitive
improvement in SZ. Considering the pleiotropic mechanisms of action of omega-3 fatty acids, the design of well-designed
controlled trials of omega-3 supplementation as a novel, domain-specific, target for cognitive impairment in SZ and
affective disorders is warranted.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | - Viola Oertel-Knöchel
- Laboratory for Neuroimaging, Dept. of Psychiatry, Dept. of Psychiatry, Psychosomatic Medicine and Psychotherapy; Heinrich-Hoffmann-Str. 10, Goethe-University, 60528 Frankfurt
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Gonzales HK, O'Reilly M, Lang R, Sigafoos J, Lancioni G, Kajian M, Kuhn M, Longino D, Rojeski L, Watkins L. Research involving anxiety in non-human primates has potential implications for the assessment and treatment of anxiety in autism spectrum disorder: A translational literature review. Dev Neurorehabil 2016; 19:175-92. [PMID: 25057887 DOI: 10.3109/17518423.2014.941117] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
OBJECTIVE The purpose of this translational review (i.e. moving from basic primate research toward possible human applications) was to summarize non-human primate literature on anxiety to inform the development of future assessments of anxiety in non-verbal individuals with autism spectrum disorder (ASD). METHODS Systematic searches of databases identified 67 studies that met inclusion criteria. Each study was analysed and summarised in terms of (a) strategies used to evoke anxiety, (b) non-verbal behavioural indicators of anxiety and (c) physiological indicators of anxiety. RESULTS Eighteen strategies were used to evoke anxiety, 48 non-verbal behavioural indicators and 17 physiological indicators of anxiety were measured. CONCLUSIONS A number of the strategies used with non-human primates, if modified carefully, could be considered in the ongoing effort to study anxiety in individuals with ASD. Potential applications to the assessment of anxiety in humans with ASD are discussed.
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Affiliation(s)
- Heather K Gonzales
- a Department of Special Education , The University of Texas at Austin , Austin , TX , USA
| | - Mark O'Reilly
- a Department of Special Education , The University of Texas at Austin , Austin , TX , USA
| | - Russell Lang
- b Department of Curriculum and Instruction , Clinic for Autism Research Evaluation and Support, Texas State University , San Marcos , TX , USA
| | - Jeff Sigafoos
- c Department of Special Education , Victoria University of Wellington , Wellington , New Zealand , and
| | - Giulio Lancioni
- d Department of Education , University of Bari , Bari , Italy
| | - Mandana Kajian
- a Department of Special Education , The University of Texas at Austin , Austin , TX , USA
| | - Michelle Kuhn
- a Department of Special Education , The University of Texas at Austin , Austin , TX , USA
| | - Deanna Longino
- a Department of Special Education , The University of Texas at Austin , Austin , TX , USA
| | - Laura Rojeski
- a Department of Special Education , The University of Texas at Austin , Austin , TX , USA
| | - Laci Watkins
- a Department of Special Education , The University of Texas at Austin , Austin , TX , USA
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Omega-3 Fatty Acids: Possible Neuroprotective Mechanisms in the Model of Global Ischemia in Rats. J Nutr Metab 2016; 2016:6462120. [PMID: 27313881 PMCID: PMC4895039 DOI: 10.1155/2016/6462120] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2015] [Revised: 04/01/2016] [Accepted: 04/04/2016] [Indexed: 12/16/2022] Open
Abstract
Background. Omega-3 (ω3) administration was shown to protect against hypoxic-ischemic injury. The objectives were to study the neuroprotective effects of ω3, in a model of global ischemia. Methods. Male Wistar rats were subjected to carotid occlusion (30 min), followed by reperfusion. The groups were SO, untreated ischemic and ischemic treated rats with ω3 (5 and 10 mg/kg, 7 days). The SO and untreated ischemic animals were orally treated with 1% cremophor and, 1 h after the last administration, they were behaviorally tested and euthanized for neurochemical (DA, DOPAC, and NE determinations), histological (Fluoro jade staining), and immunohistochemical (TNF-alpha, COX-2 and iNOS) evaluations. The data were analyzed by ANOVA and Newman-Keuls as the post hoc test. Results. Ischemia increased the locomotor activity and rearing behavior that were partly reversed by ω3. Ischemia decreased striatal DA and DOPAC contents and increased NE contents, effects reversed by ω3. This drug protected hippocampal neuron degeneration, as observed by Fluoro-Jade staining, and the increased immunostainings for TNF-alpha, COX-2, and iNOS were partly or totally blocked by ω3. Conclusion. This study showed a neuroprotective effect of ω3, in great part due to its anti-inflammatory properties, stimulating translational studies focusing on its use in clinic for stroke managing.
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Cutuli D, Pagani M, Caporali P, Galbusera A, Laricchiuta D, Foti F, Neri C, Spalletta G, Caltagirone C, Petrosini L, Gozzi A. Effects of Omega-3 Fatty Acid Supplementation on Cognitive Functions and Neural Substrates: A Voxel-Based Morphometry Study in Aged Mice. Front Aging Neurosci 2016; 8:38. [PMID: 26973513 PMCID: PMC4777728 DOI: 10.3389/fnagi.2016.00038] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2015] [Accepted: 02/15/2016] [Indexed: 11/13/2022] Open
Abstract
Human and experimental studies have revealed putative neuroprotective and pro-cognitive effects of omega-3 polyunsaturated fatty acids (n-3 PUFA) in aging, evidencing positive correlations between peripheral n-3 PUFA levels and regional grey matter (GM) volume, as well as negative correlations between dietary n-3 PUFA levels and cognitive deficits. We recently showed that n-3 PUFA supplemented aged mice exhibit better hippocampal-dependent mnesic functions, along with enhanced cellular plasticity and reduced neurodegeneration, thus supporting a role of n-3 PUFA supplementation in preventing cognitive decline during aging. To corroborate these initial results and develop new evidence on the effects of n-3 PUFA supplementation on brain substrates at macro-scale level, here we expanded behavioral analyses to the emotional domain (anxiety and coping skills), and carried out a fine-grained regional GM volumetric mapping by using high-resolution MRI-based voxel-based morphometry. The behavioral effects of 8 week n-3 PUFA supplementation were measured on cognitive (discriminative, spatial and social) and emotional (anxiety and coping) abilities of aged (19 month-old at the onset of study) C57B6/J mice. n-3 PUFA supplemented mice showed better mnesic performances as well as increased active coping skills. Importantly, these effects were associated with enlarged regional hippocampal, retrosplenial and prefrontal GM volumes, and with increased post mortem n-3 PUFA brain levels. These findings indicate that increased dietary n-3 PUFA intake in normal aging can improve fronto-hippocampal GM structure and function, an effect present also when the supplementation starts at late age. Our data are consistent with a protective role of n-3 PUFA supplementation in counteracting cognitive decline, emotional dysfunctions and brain atrophy.
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Affiliation(s)
- Debora Cutuli
- Santa Lucia FoundationRome, Italy; University of Rome "Sapienza"Rome, Italy
| | - Marco Pagani
- Functional Neuroimaging Laboratory, Istituto Italiano di TecnologiaRovereto, Italy; Center for Mind and Brain Sciences, University of TrentoRovereto, Italy
| | - Paola Caporali
- Santa Lucia FoundationRome, Italy; University of Rome "Sapienza"Rome, Italy
| | - Alberto Galbusera
- Functional Neuroimaging Laboratory, Istituto Italiano di Tecnologia Rovereto, Italy
| | | | - Francesca Foti
- Santa Lucia FoundationRome, Italy; University of Rome "Sapienza"Rome, Italy
| | | | | | - Carlo Caltagirone
- Santa Lucia FoundationRome, Italy; University of Rome "Tor Vergata"Rome, Italy
| | - Laura Petrosini
- Santa Lucia FoundationRome, Italy; University of Rome "Sapienza"Rome, Italy
| | - Alessandro Gozzi
- Functional Neuroimaging Laboratory, Istituto Italiano di Tecnologia Rovereto, Italy
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Picq JL, Villain N, Gary C, Pifferi F, Dhenain M. Jumping Stand Apparatus Reveals Rapidly Specific Age-Related Cognitive Impairments in Mouse Lemur Primates. PLoS One 2015; 10:e0146238. [PMID: 26716699 PMCID: PMC4696676 DOI: 10.1371/journal.pone.0146238] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2015] [Accepted: 12/15/2015] [Indexed: 11/30/2022] Open
Abstract
The mouse lemur (Microcebus murinus) is a promising primate model for investigating normal and pathological cerebral aging. The locomotor behavior of this arboreal primate is characterized by jumps to and from trunks and branches. Many reports indicate insufficient adaptation of the mouse lemur to experimental devices used to evaluate its cognition, which is an impediment to the efficient use of this animal in research. In order to develop cognitive testing methods appropriate to the behavioral and biological traits of this species, we adapted the Lashley jumping stand apparatus, initially designed for rats, to the mouse lemur. We used this jumping stand apparatus to compare performances of young (n = 12) and aged (n = 8) adults in acquisition and long-term retention of visual discriminations. All mouse lemurs completed the tasks and only 25 trials, on average, were needed to master the first discrimination problem with no age-related differences. A month later, all mouse lemurs made progress for acquiring the second discrimination problem but only the young group reached immediately the criterion in the retention test of the first discrimination problem. This study shows that the jumping stand apparatus allows rapid and efficient evaluation of cognition in mouse lemurs and demonstrates that about half of the old mouse lemurs display a specific deficit in long-term retention but not in acquisition of visual discrimination.
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Affiliation(s)
- Jean-Luc Picq
- Laboratoire de psychopathologie et de neuropsychologie, E.A. 2027, Université Paris 8, 2 rue de la liberté, 93000 St Denis, France
- Centre National de la Recherche Scientifique (CNRS), Université Paris-Sud, Université Paris-Saclay UMR 9199, Neurodegenerative Diseases Laboratory, F-92265 Fontenay-aux-Roses, France
- Commissariat à l’Energie Atomique et aux Energies Alternatives (CEA), Département des Sciences du Vivant (DSV), Institut d’Imagerie Biomédicale (I2BM), MIRCen, F-92265 Fontenay-aux-Roses, France
- * E-mail:
| | - Nicolas Villain
- CNRS UMR 7179, MNHN, Adaptive Mechanisms and Evolution (MECADEV), 1 Av du petit château, 91800 Brunoy, France
| | - Charlotte Gary
- Centre National de la Recherche Scientifique (CNRS), Université Paris-Sud, Université Paris-Saclay UMR 9199, Neurodegenerative Diseases Laboratory, F-92265 Fontenay-aux-Roses, France
- Commissariat à l’Energie Atomique et aux Energies Alternatives (CEA), Département des Sciences du Vivant (DSV), Institut d’Imagerie Biomédicale (I2BM), MIRCen, F-92265 Fontenay-aux-Roses, France
| | - Fabien Pifferi
- CNRS UMR 7179, MNHN, Adaptive Mechanisms and Evolution (MECADEV), 1 Av du petit château, 91800 Brunoy, France
| | - Marc Dhenain
- Centre National de la Recherche Scientifique (CNRS), Université Paris-Sud, Université Paris-Saclay UMR 9199, Neurodegenerative Diseases Laboratory, F-92265 Fontenay-aux-Roses, France
- Commissariat à l’Energie Atomique et aux Energies Alternatives (CEA), Département des Sciences du Vivant (DSV), Institut d’Imagerie Biomédicale (I2BM), MIRCen, F-92265 Fontenay-aux-Roses, France
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Tomlinson L, Leiton CV, Colognato H. Behavioral experiences as drivers of oligodendrocyte lineage dynamics and myelin plasticity. Neuropharmacology 2015; 110:548-562. [PMID: 26415537 DOI: 10.1016/j.neuropharm.2015.09.016] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2015] [Revised: 09/10/2015] [Accepted: 09/12/2015] [Indexed: 12/28/2022]
Abstract
Many behavioral experiences are known to promote hippocampal neurogenesis. In contrast, the ability of behavioral experiences to influence the production of oligodendrocytes and myelin sheath formation remains relatively unknown. However, several recent studies indicate that voluntary exercise and environmental enrichment can positively influence both oligodendrogenesis and myelination, and that, in contrast, social isolation can negatively influence myelination. In this review we summarize studies addressing the influence of behavioral experiences on oligodendrocyte lineage cells and myelin, and highlight potential mechanisms including experience-dependent neuronal activity, metabolites, and stress effectors, as well as both local and systemic secreted factors. Although more study is required to better understand the underlying mechanisms by which behavioral experiences regulate oligodendrocyte lineage cells, this exciting and newly emerging field has already revealed that oligodendrocytes and their progenitors are highly responsive to behavioral experiences and suggest the existence of a complex network of reciprocal interactions among oligodendrocyte lineage development, behavioral experiences, and brain function. Achieving a better understanding of these relationships may have profound implications for human health, and in particular, for our understanding of changes in brain function that occur in response to experiences. This article is part of the Special Issue entitled 'Oligodendrocytes in Health and Disease'.
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Clouard C, Souza AS, Gerrits WJ, Hovenier R, Lammers A, Bolhuis JE. Maternal Fish Oil Supplementation Affects the Social Behavior, Brain Fatty Acid Profile, and Sickness Response of Piglets. J Nutr 2015; 145:2176-84. [PMID: 26180250 DOI: 10.3945/jn.115.214650] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2015] [Accepted: 06/24/2015] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Maternal dietary docosahexaenoic acid (DHA) intake is thought to affect development in the offspring. OBJECTIVE We assessed the impact of maternal dietary DHA on behavior, brain fatty acid (FA) profile, and sickness response of offspring in pigs, a pertinent model for human nutrition. METHODS Sows (n = 24) were fed a diet with DHA-rich fish oil (FO) (20 g/kg) or high-oleic acid sunflower oil (HOSF) (20 g/kg) from day 61 of gestation through lactation. At 4 wk of age, 4 piglets per litter were weaned and mixed with piglets from other litters. Behavior was observed in 4- to 8-wk-old piglets, and brain FA composition was analyzed at 4 (n = 15) and 14 (n = 12) wk. Thirteen-week-old piglets (n = 48) were subjected to a lipopolysaccharide (LPS) challenge. Body temperature, plasma cytokines, and motivation to approach a familiar human, indicative of a sickness response, were measured. RESULTS FO-fed pigs displayed more social activities (+262%, P = 0.02), played more (+61%, P = 0.03), and tended to show fewer oral manipulative behaviors directed at pen mates (-25%, P = 0.06) than did HOSF-fed pigs up to 4 wk after weaning. Brain DHA concentrations were higher in FO- than in HOSF-fed pigs up to 10 wk after supplementation (+10-50%, P < 0.001), although differences declined with age. Body temperature (P < 0.001) and tumor necrosis factor α and interferon γ concentrations (P < 0.05) increased after LPS injection, but no diet effect was found (P > 0.10). LPS-treated pigs were less likely to approach the human than saline-treated pigs in the HOSF-fed (-29%, P = 0.0003), but not in the FO-fed group (-13%, P = 0.11). CONCLUSIONS Maternal DHA beneficially affected offspring social behavior after weaning and mildly attenuated sickness behavior after an inflammatory challenge in pigs. These behavioral changes may be mediated by increased brain DHA proportions.
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Affiliation(s)
| | - Adriana S Souza
- Adaptation Physiology Group and Animal Nutrition Group, Department of Animal Sciences, Wageningen University, Wageningen, Netherlands
| | - Walter Jj Gerrits
- Animal Nutrition Group, Department of Animal Sciences, Wageningen University, Wageningen, Netherlands
| | - Robert Hovenier
- Animal Nutrition Group, Department of Animal Sciences, Wageningen University, Wageningen, Netherlands
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Pifferi F, Dorieux O, Castellano CA, Croteau E, Masson M, Guillermier M, Van Camp N, Guesnet P, Alessandri JM, Cunnane S, Dhenain M, Aujard F. Long-chain n-3 PUFAs from fish oil enhance resting state brain glucose utilization and reduce anxiety in an adult nonhuman primate, the grey mouse lemur. J Lipid Res 2015; 56:1511-8. [PMID: 26063461 DOI: 10.1194/jlr.m058933] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2015] [Indexed: 12/23/2022] Open
Abstract
Decreased brain content of DHA, the most abundant long-chain n-3 polyunsaturated fatty acid (n-3 LCPUFA) in the brain, is accompanied by severe neurosensorial impairments linked to impaired neurotransmission and impaired brain glucose utilization. In the present study, we hypothesized that increasing n-3 LCPUFA intake at an early age may help to prevent or correct the glucose hypometabolism observed during aging and age-related cognitive decline. The effects of 12 months' supplementation with n-3 LCPUFA on brain glucose utilization assessed by positron emission tomography was tested in young adult mouse lemurs (Microcebus murinus). Cognitive function was tested in parallel in the same animals. Lemurs supplemented with n-3 LCPUFA had higher brain glucose uptake and cerebral metabolic rate of glucose compared with controls in all brain regions. The n-3 LCPUFA-supplemented animals also had higher exploratory activity in an open-field task and lower evidence of anxiety in the Barnes maze. Our results demonstrate for the first time in a nonhuman primate that n-3 LCPUFA supplementation increases brain glucose uptake and metabolism and concomitantly reduces anxiety.
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Affiliation(s)
- Fabien Pifferi
- Mécanismes Adaptatifs et Evolution, UMR 7179 CNRS-MNHN, Brunoy, France
| | - Olène Dorieux
- Mécanismes Adaptatifs et Evolution, UMR 7179 CNRS-MNHN, Brunoy, France CNRS, URA CEA CNRS 2210, Fontenay-aux-Roses, France
| | - Christian-Alexandre Castellano
- Research Center on Aging, Université de Sherbrooke, Sherbrooke, QC, Canada Department of Medicine, Centre Hospitalier Universitaire de Sherbrooke, Sherbrooke, QC, Canada
| | - Etienne Croteau
- Research Center on Aging, Université de Sherbrooke, Sherbrooke, QC, Canada Department of Medicine, Centre Hospitalier Universitaire de Sherbrooke, Sherbrooke, QC, Canada
| | - Marie Masson
- Mécanismes Adaptatifs et Evolution, UMR 7179 CNRS-MNHN, Brunoy, France
| | | | - Nadja Van Camp
- Research Center on Aging, Université de Sherbrooke, Sherbrooke, QC, Canada Department of Medicine, Centre Hospitalier Universitaire de Sherbrooke, Sherbrooke, QC, Canada
| | | | - Jean-Marc Alessandri
- Microbiologie de l'Alimentation au Service de la Santé Humaine, INRA de Jouy en Josas, Jouy en Josas Cedex, France
| | - Stephen Cunnane
- Research Center on Aging, Université de Sherbrooke, Sherbrooke, QC, Canada Department of Medicine, Centre Hospitalier Universitaire de Sherbrooke, Sherbrooke, QC, Canada
| | - Marc Dhenain
- CNRS, URA CEA CNRS 2210, Fontenay-aux-Roses, France
| | - Fabienne Aujard
- Mécanismes Adaptatifs et Evolution, UMR 7179 CNRS-MNHN, Brunoy, France
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Clouard C, Gerrits WJJ, van Kerkhof I, Smink W, Bolhuis JE. Dietary linoleic and α-linolenic acids affect anxiety-related responses and exploratory activity in growing pigs. J Nutr 2015; 145:358-64. [PMID: 25644359 DOI: 10.3945/jn.114.199448] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Growing evidence suggests that the dietary ratio of linoleic acid (LA) to α-linolenic acid (ALA), the precursors of arachidonic acid (AA) and docosahexaenoic acid (DHA), respectively, may affect behavior in mammals. OBJECTIVE This study aimed at evaluating the impact of dietary LA and ALA intake on behaviors of growing pigs, a pertinent model for human nutrition. METHODS At 7 wk of age, 32 pigs were allocated to 4 dietary treatments varying in daily intake of LA (1.3 and 2.6 g · kg body weight(-0.75) · d(-1) for low- and high-LA groups, respectively) and ALA (0.15 and 1.5 g · kg body weight(-0.75) · d(-1) for low- and high-ALA groups, respectively) for 4 wk. Between days 12 and 18, general behavior in the home pen was observed and pigs were subjected to an open field and novel object test. At 11 wk of age, brain fatty acid composition was analyzed. RESULTS Compared with high LA intake, low LA intake increased the time spent on exploration, particularly nosing in the home pen (P < 0.05) and the open field (P < 0.05), and tended to reduce the time spent lying with eyes open in the home pen (P = 0.09). Time spent lying with eyes open also tended to be affected by the interaction between LA and ALA (P = 0.08). A high-LA/high-ALA intake (ratio of 2; P < 0.05) and a low-LA/high-ALA intake (ratio of 1; P = 0.06) decreased the latency to approach the novel object compared with a low-LA/low-ALA intake (ratio of 9). DHA in the frontal cortex was positively correlated with exploratory behaviors in the home pen (rs = 0.56, P < 0.01), whereas AA was negatively correlated with time spent lying with eyes closed (rs = -0.48, P < 0.01). CONCLUSIONS Low LA intake and a low dietary LA:ALA ratio increased exploration and decreased anxiety-related behaviors in pigs. It is suggested that changes in brain DHA and AA induced by dietary LA and ALA intake mediate these behavioral changes.
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Affiliation(s)
| | - Walter J J Gerrits
- Animal Nutrition Group, Department of Animal Sciences, Wageningen University, Wageningen, The Netherlands
| | | | - Willem Smink
- Animal Nutrition Group, Department of Animal Sciences, Wageningen University, Wageningen, The Netherlands
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Nemeth M, Millesi E, Wagner KH, Wallner B. Effects of diets high in unsaturated Fatty acids on socially induced stress responses in Guinea pigs. PLoS One 2014; 9:e116292. [PMID: 25551380 PMCID: PMC4281161 DOI: 10.1371/journal.pone.0116292] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2014] [Accepted: 12/06/2014] [Indexed: 02/01/2023] Open
Abstract
Unsaturated fatty acids (UFAs), such as omega-3 and omega-6 poly- and omega-9 monounsaturated fatty acids are important nutrients and major components of neuronal cell membranes. They play a major role in modulating brain functions and physiology and may therefore diminish behavioral and physiological stress reactions in corroboration with decreased cortisol concentrations. Functionally, cortisol itself can modulate several behaviors and also the fatty acid metabolism in the long term. But only little is known about the behavioral and physiological influences of dietary UFAs in a social group, where individuals are regularly exposed to stressful situations. Therefore, the aim of this study was to determine the effects of dietary UFAs on saliva cortisol concentrations and behavioral responses in socially confronted guinea pigs. Three groups of animals were additionally supplemented with 500 mg chia seeds (high in omega-3), walnuts (high in omega-6), or peanuts (high in omega-9) per kg bodyweight each day and compared to a control group. During social confrontation saliva cortisol concentrations significantly increased in all groups, which was accompanied by a loss in bodyweight. However, cortisol levels remained lower in the chia and walnut groups compared to controls. Additionally, the walnut group displayed significantly increased locomotion, while no differences between groups were detected in socio-positive, sexual, or aggressive behaviors. Total plasma omega-3, omega-6, and omega-9 fatty acids were significantly increased in the corresponding groups, due to the dietary supplementations. However, a significant decrease in plasma omega-3 and an increase in plasma n-6 fatty acids were detected in the chia group when comparing the measurements before and after social confrontation. We conclude that both omega-3 and omega-6 polyunsaturated fatty acids can diminish behavioral and physiological stress responses to the social environment, enabling individuals to cope with social stressors, but at the expense of plasma derived omega-3 fatty acids.
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Affiliation(s)
- Matthias Nemeth
- Department of Behavioural Biology, University of Vienna, Vienna, Austria
| | - Eva Millesi
- Department of Behavioural Biology, University of Vienna, Vienna, Austria
| | - Karl-Heinz Wagner
- Department of Nutritional Science, University of Vienna, Vienna, Austria
| | - Bernard Wallner
- Department of Behavioural Biology, University of Vienna, Vienna, Austria
- Cognitive Science Research Platform, University of Vienna, Vienna, Austria
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Jensen HAR, Harsløf LBS, Nielsen MS, Christensen LB, Ritz C, Michaelsen KF, Vogel U, Lauritzen L. FADS single-nucleotide polymorphisms are associated with behavioral outcomes in children, and the effect varies between sexes and is dependent on PPAR genotype. Am J Clin Nutr 2014; 100:826-32. [PMID: 25080457 DOI: 10.3945/ajcn.114.087882] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Docosahexaenoic acid (DHA), supplied by the diet or endogenous biosynthesis from α-linolenic acid, accretes during the perinatal brain growth spurt. Results regarding a potential programming effect on cognitive function and behavior in humans are inconclusive. OBJECTIVE Here we aimed to investigate whether behavioral outcomes in childhood were associated with FADS tag-single-nucleotide polymorphisms (SNPs) previously found to have opposing effects on infant erythrocyte DHA. DESIGN At 36 mo, we assessed psychomotor development with the third edition of the Ages & Stages Questionnaire (n = 256) and physical activity by accelerometry (n = 231) in children from the SKOT [Småbørns Kost Og Trivsel (Diet and Thriving in Young Children)] cohort. Blood samples were taken to determine erythrocyte DHA (n = 200), FADS tag-SNPs (n = 255), and PPARG-Pro12Ala (n = 255). All outcomes were analyzed in models, including all 3 SNPs, SNP-sex interactions, erythrocyte DHA at 36 mo, and covariates. RESULTS As previously shown, the minor allele carriers of the FADS SNP rs1535 had increased erythrocyte DHA at 9 mo, whereas DHA decreased in minor allele carriers of rs174448 and rs174575 (effect size around 0.5 percentage points per allele). No overall effects were observed for any of the FADS SNPs on the outcomes reported here, but FADS SNP-sex interactions were found for a number of DHA-increasing FADS alleles on both communication and problem solving (P = 0.005 and 0.013). DHA-increasing FADS alleles resulted in reduced scores in girls and improved abilities in boys, with an effect size of ∼1 score-point/allele. No associations were found between current erythrocyte DHA and any of the behavioral outcomes. The P value for the triple interaction between DHA-increasing FADS alleles, PPARG, and sex for communication was 0.051, and subsequent analyses showed the FADS-sex interaction only in PPARG minor allele carriers (n = 70). Furthermore, FADS-PPARG interactions were seen for problem solving in boys and for fine motor skills in girls. CONCLUSION FADS SNPs seem to have a sex-specific, possibly peroxisome proliferator-activated receptor-mediated effect on behavior in children, indicating a programming effect of early DHA exposure.
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Affiliation(s)
- Heidi A R Jensen
- From the Department of Nutrition, Exercise and Sports, Faculty of Science, University of Copenhagen, Copenhagen, Denmark (HARJ, LBSH, MSN, LBC, CR, KFM, and LL), and the National Research Centre for the Working Environment, Copenhagen, Denmark (UV)
| | - Laurine B S Harsløf
- From the Department of Nutrition, Exercise and Sports, Faculty of Science, University of Copenhagen, Copenhagen, Denmark (HARJ, LBSH, MSN, LBC, CR, KFM, and LL), and the National Research Centre for the Working Environment, Copenhagen, Denmark (UV)
| | - Maria S Nielsen
- From the Department of Nutrition, Exercise and Sports, Faculty of Science, University of Copenhagen, Copenhagen, Denmark (HARJ, LBSH, MSN, LBC, CR, KFM, and LL), and the National Research Centre for the Working Environment, Copenhagen, Denmark (UV)
| | - Line B Christensen
- From the Department of Nutrition, Exercise and Sports, Faculty of Science, University of Copenhagen, Copenhagen, Denmark (HARJ, LBSH, MSN, LBC, CR, KFM, and LL), and the National Research Centre for the Working Environment, Copenhagen, Denmark (UV)
| | - Christian Ritz
- From the Department of Nutrition, Exercise and Sports, Faculty of Science, University of Copenhagen, Copenhagen, Denmark (HARJ, LBSH, MSN, LBC, CR, KFM, and LL), and the National Research Centre for the Working Environment, Copenhagen, Denmark (UV)
| | - Kim F Michaelsen
- From the Department of Nutrition, Exercise and Sports, Faculty of Science, University of Copenhagen, Copenhagen, Denmark (HARJ, LBSH, MSN, LBC, CR, KFM, and LL), and the National Research Centre for the Working Environment, Copenhagen, Denmark (UV)
| | - Ulla Vogel
- From the Department of Nutrition, Exercise and Sports, Faculty of Science, University of Copenhagen, Copenhagen, Denmark (HARJ, LBSH, MSN, LBC, CR, KFM, and LL), and the National Research Centre for the Working Environment, Copenhagen, Denmark (UV)
| | - Lotte Lauritzen
- From the Department of Nutrition, Exercise and Sports, Faculty of Science, University of Copenhagen, Copenhagen, Denmark (HARJ, LBSH, MSN, LBC, CR, KFM, and LL), and the National Research Centre for the Working Environment, Copenhagen, Denmark (UV)
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Cutuli D, De Bartolo P, Caporali P, Laricchiuta D, Foti F, Ronci M, Rossi C, Neri C, Spalletta G, Caltagirone C, Farioli-Vecchioli S, Petrosini L. n-3 polyunsaturated fatty acids supplementation enhances hippocampal functionality in aged mice. Front Aging Neurosci 2014; 6:220. [PMID: 25202271 PMCID: PMC4142709 DOI: 10.3389/fnagi.2014.00220] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2014] [Accepted: 08/05/2014] [Indexed: 11/13/2022] Open
Abstract
As major components of neuronal membranes, omega-3 polyunsaturated acids (n-3 PUFA) exhibit a wide range of regulatory functions, modulating from synaptic plasticity to neuroinflammation, from oxidative stress to neuroprotection. Recent human and animal studies indicated the n-3 PUFA neuroprotective properties in aging, with a clear negative correlation between n-3 PUFA levels and hippocampal deficits. The present multidimensional study was aimed at associating cognition, hippocampal neurogenesis, volume, neurodegeneration and metabolic correlates to verify n-3 PUFA neuroprotective effects in aging. To this aim 19 month-old mice were given n-3 PUFA mixture, or olive oil or no dietary supplement for 8 weeks during which hippocampal-dependent mnesic functions were tested. At the end of behavioral testing morphological and metabolic correlates were analyzed. n-3 PUFA supplemented aged mice exhibited better object recognition memory, spatial and localizatory memory, and aversive response retention, without modifications in anxiety levels in comparison to controls. These improved hippocampal cognitive functions occurred in the context of an enhanced cellular plasticity and a reduced neurodegeneration. In fact, n-3 PUFA supplementation increased hippocampal neurogenesis and dendritic arborization of newborn neurons, volume, neuronal density and microglial cell number, while it decreased apoptosis, astrocytosis and lipofuscin accumulation in the hippocampus. The increased levels of some metabolic correlates (blood Acetyl-L-Carnitine and brain n-3 PUFA concentrations) found in n-3 PUFA supplemented mice also pointed toward an effective neuroprotection. On the basis of the present results n-3 PUFA supplementation appears to be a useful tool in health promotion and cognitive decline prevention during aging.
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Affiliation(s)
- Debora Cutuli
- Department of Psychology, University Sapienza of Rome Rome, Italy ; Lab of Experimental and Behavioral Neurophysiology, Santa Lucia Foundation Rome, Italy
| | - Paola De Bartolo
- Department of Psychology, University Sapienza of Rome Rome, Italy ; Lab of Experimental and Behavioral Neurophysiology, Santa Lucia Foundation Rome, Italy
| | - Paola Caporali
- Department of Psychology, University Sapienza of Rome Rome, Italy ; Lab of Experimental and Behavioral Neurophysiology, Santa Lucia Foundation Rome, Italy
| | - Daniela Laricchiuta
- Department of Psychology, University Sapienza of Rome Rome, Italy ; Lab of Experimental and Behavioral Neurophysiology, Santa Lucia Foundation Rome, Italy
| | - Francesca Foti
- Department of Psychology, University Sapienza of Rome Rome, Italy ; Lab of Experimental and Behavioral Neurophysiology, Santa Lucia Foundation Rome, Italy
| | - Maurizio Ronci
- Department of Experimental and Clinical Sciences, University "G. D'Annunzio" Chieti, Pescara, Italy ; Division of Information Technology, Engineering and the Environment, Mawson Institute, University of South Australia Mawson Lakes, SA, Australia
| | - Claudia Rossi
- Department of Experimental and Clinical Sciences, University "G. D'Annunzio" Chieti, Pescara, Italy
| | - Cristina Neri
- Lab of Proteomic and metabonomic, Santa Lucia Foundation Rome, Italy ; Department of Experimental Medicine and Surgery, University Tor Vergata of Rome Rome, Italy
| | | | - Carlo Caltagirone
- Lab of Clinical and Behavioral Neurology, Santa Lucia Foundation Rome, Italy ; Department of Neuroscience, University Tor Vergata of Rome Rome, Italy
| | - Stefano Farioli-Vecchioli
- Institute of Cell Biology and Neurobiology, National Research Council, Santa Lucia Foundation Rome, Italy
| | - Laura Petrosini
- Department of Psychology, University Sapienza of Rome Rome, Italy ; Lab of Experimental and Behavioral Neurophysiology, Santa Lucia Foundation Rome, Italy
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Yamada M, Tsukagoshi M, Hashimoto T, Oka JI, Saitoh A, Yamada M. Lysophosphatidic acid induces anxiety-like behavior via its receptors in mice. J Neural Transm (Vienna) 2014; 122:487-94. [PMID: 25119538 DOI: 10.1007/s00702-014-1289-9] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2014] [Accepted: 08/02/2014] [Indexed: 12/22/2022]
Abstract
Lysophosphatidic acid (LPA) is a potent bioactive lipid mediator with diverse biological properties. We previously found altered expression of the LPA-related genes in rodents after treatment with sertraline, which is widely used to treat anxiety disorders and depression. However, little is known about the behavioral effects of LPA. In the present study, we investigated the behavioral effects of intracerebroventricular injection of LPA in adult mice. LPA did not significantly affect spontaneous locomotor activity, suggesting that LPA does not induce hyperactivity, ataxia, or sedation. We next investigated the emotional effects of LPA via the hole-board test. LPA significantly increased the number of head-dips in a dose- and time-related manner. A significant induction of head-dip counts occurred 15 and 30 min after LPA administration. To clarify the involvement of LPA receptors, we examined the effect of the non-selective LPA1-4 receptor antagonist, 1-bromo-3(S)-hydroxy-4-(palmitoyloxy)butyl-phosphonate (BrP-LPA) co-administered with LPA. BrP-LPA dose-dependently inhibited LPA-induced head-dip counts. We next investigated anxiety-like behavior via the elevated plus-maze test. LPA significantly reduced the percentage of time spent in the open arms and BrP-LPA dose-dependently inhibited this anxiety-like behavior. In conclusion, LPA induced anxiety-like behavior in mice via LPA receptors. Our results suggest that LPA signaling plays an important role in regulating anxiety in mice.
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Affiliation(s)
- Misa Yamada
- Department of Neuropsychopharmacology, National Institute of Mental Health, National Center of Neurology and Psychiatry, 4-1-1 Ogawahigashimachi, Kodaira, Tokyo, 187-8553, Japan
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van Elst K, Bruining H, Birtoli B, Terreaux C, Buitelaar JK, Kas MJ. Food for thought: dietary changes in essential fatty acid ratios and the increase in autism spectrum disorders. Neurosci Biobehav Rev 2014; 45:369-78. [PMID: 25025657 DOI: 10.1016/j.neubiorev.2014.07.004] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2014] [Revised: 06/16/2014] [Accepted: 07/04/2014] [Indexed: 12/31/2022]
Abstract
The last decades have shown a spectacular and partially unexplained rise in the prevalence of autism spectrum disorders (ASD). This rise in ASD seems to parallel changes in the dietary composition of fatty acids. This change is marked by the replacement of cholesterol by omega-6 (n-6) fatty acids in many of our food products, resulting in a drastically increased ratio of omega-6/omega-3 (n-6/n-3). In this context, we review the available knowledge on the putative role of fatty acids in neurodevelopment and describe how disturbances in n-6/n-3 ratios may contribute to the emergence of ASDs. Both clinical and experimental research is discussed. We argue that a change in the ratio of n-6/n-3, especially during early life, may induce developmental changes in brain connectivity, synaptogenesis, cognition and behavior that are directly related to ASD.
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Affiliation(s)
- Kim van Elst
- Department of Translational Neuroscience, Brain Center Rudolf Magnus, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Hilgo Bruining
- Department of Translational Neuroscience, Brain Center Rudolf Magnus, University Medical Center Utrecht, Utrecht, The Netherlands; Department of Psychiatry, Brain Center Rudolf Magnus, University Medical Center Utrecht, Utrecht, The Netherlands
| | | | | | - Jan K Buitelaar
- Radboud University Medical Centre, Donders Institute for Brain, Cognition and Behavior, Department of Cognitive Neuroscience, Nijmegen, The Netherlands
| | - Martien J Kas
- Department of Translational Neuroscience, Brain Center Rudolf Magnus, University Medical Center Utrecht, Utrecht, The Netherlands.
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Belhaj N, Desor F, Gleizes C, Denis FM, Arab-Tehrany E, Soulimani R, Linder M. Anxiolytic-like effect of a salmon phospholipopeptidic complex composed of polyunsaturated fatty acids and bioactive peptides. Mar Drugs 2013; 11:4294-317. [PMID: 24177675 PMCID: PMC3853729 DOI: 10.3390/md11114294] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2013] [Revised: 08/20/2013] [Accepted: 08/22/2013] [Indexed: 01/01/2023] Open
Abstract
A phospholipopeptidic complex obtained by the enzymatic hydrolysis of salmon heads in green conditions; exert anxiolytic-like effects in a time and dose-dependent manner, with no affection of locomotor activity. This study focused on the physico-chemical properties of the lipidic and peptidic fractions from this natural product. The characterization of mineral composition, amino acid and fatty acids was carried out. Stability of nanoemulsions allowed us to realize a behavioral study conducted with four different tests on 80 mice. This work highlighted the dose dependent effects of the natural complex and its various fractions over a period of 14 days compared to a conventional anxiolytic. The intracellular redox status of neural cells was evaluated in order to determine the free radicals scavenging potential of these products in the central nervous system (CNS), after mice sacrifice. The complex peptidic fraction showed a strong scavenging property and similar results were found for the complex as well as its lipidic fraction. For the first time, the results of this study showed the anxiolytic-like and neuroprotective properties of a phospholipopeptidic complex extracted from salmon head. The applications on anxiety disorders might be relevant, depending on the doses, the fraction used and the chronicity of the supplementation.
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Affiliation(s)
- Nabila Belhaj
- Laboratory of Biomolecular Engineering, University of Lorraine, École Nationale Supérieure d’Agronomie et des Industries Alimentaires (ENSAIA), National School on Agronomy and Food Industry 2, Avenue de la Forêt de Haye TSA 40602 54518, Vandoeuvre Cedex, France; E-Mails: (N.B.); (C.G.); (E.A.-T.)
| | - Frédéric Desor
- Food Neurotoxicology, Micropollutants and Food Contaminants (MRCA), University of Lorraine, Research Unit on Animal and Functionality of Animal Products (URAFPA), Institut National de la Recherche Agronomique (INRA), BP 4102, Metz 57040, France; E-Mails: (F.D.); (R.S.)
| | - Céline Gleizes
- Laboratory of Biomolecular Engineering, University of Lorraine, École Nationale Supérieure d’Agronomie et des Industries Alimentaires (ENSAIA), National School on Agronomy and Food Industry 2, Avenue de la Forêt de Haye TSA 40602 54518, Vandoeuvre Cedex, France; E-Mails: (N.B.); (C.G.); (E.A.-T.)
| | | | - Elmira Arab-Tehrany
- Laboratory of Biomolecular Engineering, University of Lorraine, École Nationale Supérieure d’Agronomie et des Industries Alimentaires (ENSAIA), National School on Agronomy and Food Industry 2, Avenue de la Forêt de Haye TSA 40602 54518, Vandoeuvre Cedex, France; E-Mails: (N.B.); (C.G.); (E.A.-T.)
| | - Rachid Soulimani
- Food Neurotoxicology, Micropollutants and Food Contaminants (MRCA), University of Lorraine, Research Unit on Animal and Functionality of Animal Products (URAFPA), Institut National de la Recherche Agronomique (INRA), BP 4102, Metz 57040, France; E-Mails: (F.D.); (R.S.)
| | - Michel Linder
- Laboratory of Biomolecular Engineering, University of Lorraine, École Nationale Supérieure d’Agronomie et des Industries Alimentaires (ENSAIA), National School on Agronomy and Food Industry 2, Avenue de la Forêt de Haye TSA 40602 54518, Vandoeuvre Cedex, France; E-Mails: (N.B.); (C.G.); (E.A.-T.)
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Aigueperse N, Calandreau L, Bertin A. Maternal diet influences offspring feeding behavior and fearfulness in the precocial chicken. PLoS One 2013; 8:e77583. [PMID: 24204881 PMCID: PMC3812276 DOI: 10.1371/journal.pone.0077583] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2013] [Accepted: 09/04/2013] [Indexed: 11/29/2022] Open
Abstract
Background In chicken, oils in the maternal diet confer a specific scent to the yolk. Embryos are known to perceive and memorize chemosensory signals of the surrounding environment; however, the potential impact of the maternal diet has not previously been investigated. In the present study, we hypothesized that chicken embryos memorize the chemical signals of the maternal diet and that this perceptual learning may orient subsequent feeding behavior of the hatchlings. Methodology/Principal Findings Laying hens were fed standard food enriched with 2% menhaden oil (MH group) or 2% soybean oil (controls). The scent of menhaden was significantly more detected in MH egg yolks than in control yolks by a human panel. We analyzed the development and behavior of offspring towards different types of food, bearing or not bearing the menhaden scent. When chicks were exposed to a 3-min choice test between the familiar food bearing the menhaden scent and the familiar food without menhaden, no effect of treatment was observed. In a 3-min choice test with unfamiliar food (mashed cereals) MH chicks showed a clear positive orientation toward the unfamiliar food bearing the menhaden scent. By contrast, control chicks showed a preference for the non-odorized unfamiliar food. MH chicks expressed higher emotional reactivity level than control chicks as expressed by food neophobia and longer immobility in a restraint test. Conclusion/Significance Chicks exposed in ovo to menhaden oil via the maternal diet preferentially oriented their feeding behavior towards food containing menhaden oil, but only when the food was unfamiliar. We propose that oil in the maternal diet engenders maternal effects and contributes to the development of behavioral phenotype in the offspring. In ovo chemosensory learning may have evolved to prepare precocial offspring for their environment. This suggests a common principle of embryonic chemosensory learning across vertebrate taxa.
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Affiliation(s)
- Nadège Aigueperse
- Institut National de la Recherche Agronomique, UMR85, Physiologie de la Reproduction et des Comportements, Nouzilly, France
- Centre National de la Recherche Scientifique, UMR7247, Nouzilly, France
- Université François Rabelais de Tours, Tours, France
- Institut Français du Cheval et de l’Equitation, Nouzilly, France
| | - Ludovic Calandreau
- Institut National de la Recherche Agronomique, UMR85, Physiologie de la Reproduction et des Comportements, Nouzilly, France
- Centre National de la Recherche Scientifique, UMR7247, Nouzilly, France
- Université François Rabelais de Tours, Tours, France
- Institut Français du Cheval et de l’Equitation, Nouzilly, France
| | - Aline Bertin
- Institut National de la Recherche Agronomique, UMR85, Physiologie de la Reproduction et des Comportements, Nouzilly, France
- Centre National de la Recherche Scientifique, UMR7247, Nouzilly, France
- Université François Rabelais de Tours, Tours, France
- Institut Français du Cheval et de l’Equitation, Nouzilly, France
- * E-mail:
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Nguyen HQ, Fan VS, Herting J, Lee J, Fu M, Chen Z, Borson S, Kohen R, Matute-Bello G, Pagalilauan G, Adams SG. Patients with COPD with higher levels of anxiety are more physically active. Chest 2013; 144:145-151. [PMID: 23370503 DOI: 10.1378/chest.12-1873] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Abstract
BACKGROUND Physical activity (PA) has been found to be an excellent predictor of mortality beyond traditional measures in COPD. We aimed to determine the association between depression and anxiety with accelerometry-based PA in patients with COPD. METHODS We performed a cross-sectional analysis of baseline data from 148 stable patients with COPD enrolled in an ongoing, longitudinal, observational study. We measured PA (total daily step count) with a Stepwatch Activity Monitor over 7 days, depression and anxiety with the Hospital Anxiety and Depression Scales (HADSs), dyspnea with the Shortness of Breath Questionnaire, and functional capacity with the 6-min walk test. RESULTS Increased anxiety was associated with higher levels of PA such that for every one-point increase in the HADS-Anxiety score there was a corresponding increase of 288 step counts per day (β=288 steps, P<.001), after adjusting for all other variables. Higher levels of depressive symptoms were associated with lower PA (β=-176 steps, P=.02) only when anxiety was in the model. The interaction term for anxiety and depression approached significance (β=26, P=.10), suggesting that higher levels of anxiety mitigate the negative effects of depression on PA. CONCLUSIONS The increased PA associated with anxiety in COPD is, to our knowledge, a novel finding. However, it is unclear whether anxious patients with COPD are more restless, and use increased psychomotor activity as a coping mechanism, or whether those with COPD who push themselves to be more physically active experience more anxiety symptoms. Future studies should evaluate for anxiety and PA to better inform how to improve clinical outcomes. TRIAL REGISTRY Clinicaltrials.gov; No.: NCT01074515; URL: www.clinicaltrials.gov.
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Affiliation(s)
- Huong Q Nguyen
- Department of Research and Evaluation, Kaiser Permanente Southern California, Pasadena, CA.
| | - Vincent S Fan
- University of Washington & Puget Sound Veterans Administration, Seattle, WA
| | | | | | | | | | | | | | | | | | - Sandra G Adams
- University of Texas Health Science Center at San Antonio and The South Texas Veterans Health Care System, San Antonio, TX
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Liu JJ, Galfalvy HC, Cooper TB, Oquendo MA, Grunebaum MF, Mann JJ, Sublette ME. Omega-3 polyunsaturated fatty acid (PUFA) status in major depressive disorder with comorbid anxiety disorders. J Clin Psychiatry 2013; 74:732-8. [PMID: 23945451 PMCID: PMC3905735 DOI: 10.4088/jcp.12m07970] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2012] [Accepted: 11/29/2012] [Indexed: 01/15/2023]
Abstract
BACKGROUND Although lower levels of omega-3 polyunsaturated fatty acids (PUFAs) are found in major depressive disorder, less is known about PUFA status and anxiety disorders. METHOD Medication-free participants with DSM-IV-defined major depressive disorder (MDD), with (n = 18) and without (n = 41) comorbid DSM-IV anxiety disorders, and healthy volunteers (n = 62) were recruited from October 2006 to May 2010 for mood disorder studies at the New York State Psychiatric Institute. Participants were 18-73 years of age (mean age, 35.8 ± 12.6 years). Depression and anxiety severity was assessed using depression and anxiety subscales from the 17-item Hamilton Depression Rating Scale. Plasma PUFAs eicosapentaenoic acid (EPA; 20:5n-3) and docosahexaenoic acid (DHA; 22:6n-3) and the ratio of arachidonic acid (AA; 22:4n-6) to EPA (AA:EPA) were quantified. This secondary analysis employed analysis of variance with a priori planned contrasts to test for diagnostic group differences in log-transformed PUFA levels (logDHA, logEPA, and logAA:EPA). RESULTS Plasma levels of logDHA (F(2,118) = 4.923, P = .009), logEPA (F(2,118) = 6.442, P = .002), and logAA:EPA (F(2,118) = 3.806, P = .025) differed across groups. Participants with MDD had lower logDHA (t(118) = 2.324, P = .022) and logEPA (t(118) = 3.175, P = .002) levels and higher logAA:EPA levels (t(118) = -2.099, P = .038) compared with healthy volunteers. Lower logDHA (t(118) = 2.692, P = .008) and logEPA (t(118) = 2.524, P = .013) levels and higher logAA:EPA levels (t(118) = -2.322, P = .022) distinguished anxious from nonanxious MDD. Depression severity was not associated with PUFA plasma levels; however, anxiety severity across the entire sample correlated negatively with logDHA (r(p) = -0.22, P = .015) and logEPA (r(p) = -0.25, P = .005) levels and positively with logAA:EPA levels (r(p) = 0.18, P = .043). CONCLUSIONS The presence and severity of comorbid anxiety were associated with the lowest EPA and DHA levels. Further studies are needed to elucidate whether omega-3 PUFA supplementation may preferentially alleviate MDD with more severe anxiety.
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Affiliation(s)
- Joanne J. Liu
- Institute of Human Nutrition, Columbia University, NY, NY
| | - Hanga C. Galfalvy
- Department of Psychiatry, Columbia University, NY, NY,Department of Molecular Imaging & Neuropathology, New York State Psychiatric Institute, NY, NY
| | - Thomas B. Cooper
- Department of Molecular Imaging & Neuropathology, New York State Psychiatric Institute, NY, NY,Nathan S. Kline Institute for Psychiatric Research, Orangeburg, NY
| | - Maria A. Oquendo
- Department of Psychiatry, Columbia University, NY, NY,Department of Molecular Imaging & Neuropathology, New York State Psychiatric Institute, NY, NY
| | - Michael F. Grunebaum
- Department of Psychiatry, Columbia University, NY, NY,Department of Molecular Imaging & Neuropathology, New York State Psychiatric Institute, NY, NY
| | - J. John Mann
- Department of Psychiatry, Columbia University, NY, NY,Department of Molecular Imaging & Neuropathology, New York State Psychiatric Institute, NY, NY,Department of Radiology, Columbia University, NY, NY
| | - M. Elizabeth Sublette
- Department of Psychiatry, Columbia University, NY, NY,Department of Molecular Imaging & Neuropathology, New York State Psychiatric Institute, NY, NY,To whom correspondence should be addressed: New York State Psychiatric Institute, 1051 Riverside Drive, Unit 42, NY, NY 10032, Tel: (212) 543 – 6241, Fax:(212) 543 – 6017,
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Rahbar MH, Samms-Vaughan M, Loveland KA, Ardjomand-Hessabi M, Chen Z, Bressler J, Shakespeare-Pellington S, Grove ML, Bloom K, Pearson DA, Lalor GC, Boerwinkle E. Seafood consumption and blood mercury concentrations in Jamaican children with and without autism spectrum disorders. Neurotox Res 2013; 23:22-38. [PMID: 22488160 PMCID: PMC3969434 DOI: 10.1007/s12640-012-9321-z] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2011] [Revised: 03/22/2012] [Accepted: 03/23/2012] [Indexed: 01/22/2023]
Abstract
Mercury is a toxic metal shown to have harmful effects on human health. Several studies have reported high blood mercury concentrations as a risk factor for autism spectrum disorders (ASDs), while other studies have reported no such association. The goal of this study was to investigate the association between blood mercury concentrations in children and ASDs. Moreover, we investigated the role of seafood consumption in relation to blood mercury concentrations in Jamaican children. Based on data for 65 sex- and age-matched pairs (2-8 years), we used a General Linear Model to test whether there is an association between blood mercury concentrations and ASDs. After controlling for the child's frequency of seafood consumption, maternal age, and parental education, we did not find a significant difference (P = 0.61) between blood mercury concentrations and ASDs. However, in both cases and control groups, children who ate certain types of seafood (i.e., salt water fish, sardine, or mackerel fish) had significantly higher (all P < 0.05) geometric means blood mercury concentration which were about 3.5 times that of children living in the US or Canada. Our findings also indicate that Jamaican children with parents who both had education up to high school are at a higher risk of exposure to mercury compared to children with at least one parent who had education beyond high school. Based on our findings, we recommend additional education to Jamaican parents regarding potential hazards of elevated blood mercury concentrations, and its association with seafood consumption and type of seafood.
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Affiliation(s)
- Mohammad H. Rahbar
- Division of Epidemiology, Human Genetics, and Environmental Sciences (EHGES), The University of Texas School of Public Health at Houston, Houston, TX 77030, USA. Biostatistics/Epidemiology/Research Design (BERD) Core, Center for Clinical and Translational Sciences (CCTS), The University of Texas Health Science Center at Houston (UTHealth), 6410 Fannin Street, UT Professional Building Suite 1100.05, Houston, TX 77030, USA
| | - Maureen Samms-Vaughan
- Department of Child Health, The University of the West Indies (UWI), Mona Campus, Kingston, Jamaica
| | - Katherine A. Loveland
- Department of Psychiatry and Behavioral Sciences/Center of Excellence on Development and Psychopathology, and Changing Lives Through Autism Spectrum Services (C.L.A.S.S.) Clinic, UTHealth Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX 77030, USA
| | - Manouchehr Ardjomand-Hessabi
- Biostatistics/Epidemiology/Research Design (BERD) Core, Center for Clinical and Translational Sciences (CCTS), The University of Texas Health Science Center at Houston (UTHealth), 6410 Fannin Street, UT Professional Building Suite 1100.48, Houston, TX 77030, USA
| | - Zhongxue Chen
- Biostatistics/Epidemiology/Research Design (BERD) Core, Center for Clinical and Translational Sciences (CCTS), The University of Texas Health Science Center at Houston (UTHealth), 6410 Fannin Street, UT Professional Building Suite 1100.30, Houston, TX 77030, USA
| | - Jan Bressler
- Human Genetics Center, School of Public Health, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX 77030, USA
| | | | - Megan L. Grove
- Human Genetics Center, School of Public Health, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX 77030, USA
| | - Kari Bloom
- Biostatistics/Epidemiology/Research Design (BERD) Core, Center for Clinical and Translational Sciences (CCTS), The University of Texas Health Science Center at Houston (UTHealth), 6410 Fannin Street, UT Professional Building Suite 1100.08, Houston, TX 77030, USA
| | - Deborah A. Pearson
- Division of Child and Adolescent Psychiatry, Department of Psychiatry and Behavioral Sciences, UTHealth Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX 77030, USA
| | - Gerald C. Lalor
- International Centre for Environmental Nuclear Science, The University of the West Indies, Mona Campus, Kingston, Jamaica
| | - Eric Boerwinkle
- Division of Epidemiology, Human Genetics, and Environmental Sciences (EHGES), The University of Texas School of Public Health at Houston, Houston, TX 77030, USA. Human Genetics Center, School of Public Health, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX 77030, USA
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Goustard-Langelier B, Koch M, Lavialle M, Heberden C. Rat neural stem cell proliferation and differentiation are durably altered by the in utero polyunsaturated fatty acid supply. J Nutr Biochem 2013; 24:380-7. [DOI: 10.1016/j.jnutbio.2012.08.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2012] [Revised: 07/20/2012] [Accepted: 08/01/2012] [Indexed: 12/11/2022]
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47
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Rahbar MH, Samms-Vaughan M, Ardjomand-Hessabi M, Loveland KA, Dickerson AS, Chen Z, Bressler J, Shakespeare-Pellington S, Grove ML, Bloom K, Wirth J, Pearson DA, Boerwinkle E. The role of drinking water sources, consumption of vegetables and seafood in relation to blood arsenic concentrations of Jamaican children with and without Autism Spectrum Disorders. THE SCIENCE OF THE TOTAL ENVIRONMENT 2012; 433:362-70. [PMID: 22819887 PMCID: PMC3418487 DOI: 10.1016/j.scitotenv.2012.06.085] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2012] [Revised: 06/25/2012] [Accepted: 06/25/2012] [Indexed: 05/19/2023]
Abstract
Arsenic is a toxic metal with harmful effects on human health, particularly on cognitive function. Autism Spectrum Disorders (ASDs) are lifelong neurodevelopmental and behavioral disorders manifesting in infancy or early childhood. We used data from 130 children between 2 and 8 years (65 pairs of ASD cases with age- and sex-matched control), to compare the mean total blood arsenic concentrations in children with and without ASDs in Kingston, Jamaica. Based on univariable analysis, we observed a significant difference between ASD cases and controls (4.03 μg/L for cases vs. 4.48 μg/L for controls, P<0.01). In the final multivariable General Linear Model (GLM), after controlling for car ownership, maternal age, parental education levels, source of drinking water, consumption of "yam, sweet potato, or dasheen", "carrot or pumpkin", "callaloo, broccoli, or pak choi", cabbage, avocado, and the frequency of seafood consumption per week, we did not find a significant association between blood arsenic concentrations and ASD status (4.36 μg/L for cases vs. 4.65 μg/L for controls, P=0.23). Likewise, in a separate final multivariable GLM, we found that source of drinking water, eating avocado, and eating "callaloo, broccoli, or pak choi" was significantly associated with higher blood arsenic concentrations (all three P<0.05). Based on our findings, we recommend assessment of arsenic levels in water, fruits, and vegetables, as well as increased awareness among the Jamaican population regarding potential risks for various exposures to arsenic.
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Affiliation(s)
- Mohammad H Rahbar
- Division of Epidemiology, Human Genetics and Environmental Sciences, School of Public Health, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA.
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Languille S, Aujard F, Pifferi F. Effect of dietary fish oil supplementation on the exploratory activity, emotional status and spatial memory of the aged mouse lemur, a non-human primate. Behav Brain Res 2012; 235:280-6. [PMID: 22921374 DOI: 10.1016/j.bbr.2012.08.014] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2012] [Revised: 08/04/2012] [Accepted: 08/10/2012] [Indexed: 10/28/2022]
Abstract
The data are inconsistent about the ability of dietary omega-3 fatty acids to prevent age-associated cognitive decline. Indeed, most clinical trials have failed to demonstrate a protective effect of omega-3 fatty acids against cognitive decline, and methodological issues are still under debate. In contrast to human studies, experiments performed in adult rodents clearly indicate that omega-3 fatty acids supplement can improve behavioural and cognitive functions. The inconsistent observations between human and rodent studies highlight the importance of the use of non-human primate models. The aim of the present study was to address the impact of omega-3 fatty acids (given in the form of dietary fish oil) on exploratory activity, emotional status and spatial reference memory in the aged mouse lemur, a non-human primate. Aged animals fed fish oil exhibited decreased exploratory activity, as manifested by an increase in the latency to move and a reduced distance travelled in an open-field. The fish oil-supplemented animals exhibited no change in the anxiety level, but they were more reactive to go into the dark arms of a light/dark plus-maze. In addition, we found that fish oil supplementation did not significantly improve the spatial memory performance in the Barnes maze task. This study demonstrated for the first time that a fish oil diet initiated late in life specifically modifies the exploratory behaviour without improving the spatial memory of aged non-human primates. Omega-3 fatty acid supplementation may be effective when started early in life but less effective when started at later ages.
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Affiliation(s)
- Solène Languille
- UMR 7179 Centre National de la Recherche Scientifique, Muséum National d'Histoire Naturelle, Brunoy, France
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49
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Hennebelle M, Balasse L, Latour A, Champeil-Potokar G, Denis S, Lavialle M, Gisquet-Verrier P, Denis I, Vancassel S. Influence of omega-3 fatty acid status on the way rats adapt to chronic restraint stress. PLoS One 2012; 7:e42142. [PMID: 22860066 PMCID: PMC3408452 DOI: 10.1371/journal.pone.0042142] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2012] [Accepted: 07/02/2012] [Indexed: 01/08/2023] Open
Abstract
Omega-3 fatty acids are important for several neuronal and cognitive functions. Altered omega-3 fatty acid status has been implicated in reduced resistance to stress and mood disorders. We therefore evaluated the effects of repeated restraint stress (6 h/day for 21 days) on adult rats fed omega-3 deficient, control or omega-3 enriched diets from conception. We measured body weight, plasma corticosterone and hippocampus glucocorticoid receptors and correlated these data with emotional and depression-like behaviour assessed by their open-field (OF) activity, anxiety in the elevated-plus maze (EPM), the sucrose preference test and the startle response. We also determined their plasma and brain membrane lipid profiles by gas chromatography. Repeated restraint stress caused rats fed a control diet to lose weight. Their plasma corticosterone increased and they showed moderate behavioural changes, with increases only in grooming (OF test) and entries into the open arms (EPM). Rats fed the omega-3 enriched diet had a lower stress-induced weight loss and plasma corticosterone peak, and reduced grooming. Rats chronically lacking omega-3 fatty acid exhibited an increased startle response, a stress-induced decrease in locomotor activity and exaggerated grooming. The brain omega-3 fatty acids increased as the dietary omega-3 fatty acids increased; diets containing preformed long-chain omega-3 fatty acid were better than diets containing the precursor alpha-linolenic acid. However, the restraint stress reduced the amounts of omega-3 incorporated. These data showed that the response to chronic restraint stress was modulated by the omega-3 fatty acid supply, a dietary deficiency was deleterious while enrichment protecting against stress.
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Affiliation(s)
- Marie Hennebelle
- INRA, Unité de Nutrition et Régulation Lipidiques des Fonctions Cérébrales, NuRéLiCe, UR909, Domaine de Vilvert, Jouy en Josas, France
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50
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Fatty Acid Composition of the Brain, Retina, Liver and Adipose Tissue of the Grey Mouse Lemur (Microcebus murinus, Primate). Lipids 2012; 47:793-801. [DOI: 10.1007/s11745-012-3686-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2012] [Accepted: 05/17/2012] [Indexed: 12/29/2022]
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