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Nutritional Neuroscience

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https://www.readbyqxmd.com/read/28224818/adjunctive-low-dose-docosahexaenoic-acid-dha-for-major-depression-an-open-label-pilot-trial
#1
Deidre J Smith, Jerome Sarris, Nathan Dowling, Manjula O'Connor, Chee H Ng
OVERVIEW: Whilst the majority of evidence supports the adjunctive use of eicosapentaenoic acid (EPA) in improving mood, to date no study exists using low-dose docosahexaenoic acid (DHA) alone as an adjunctive treatment in patients with mild to moderate major depressive disorder (MDD). METHODS: A naturalistic 8-week open-label pilot trial of low-dose DHA, (260 mg or 520 mg/day) in 28 patients with MDD who were non-responsive to medication or psychotherapy, with a Hamilton Depression Rating Scale (HAM-D) score of greater than 17, was conducted...
February 22, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28221821/enhanced-neural-activation-with-blueberry-supplementation-in-mild-cognitive-impairment
#2
Erin L Boespflug, James C Eliassen, Jonathan A Dudley, Marcelle D Shidler, Wilhelmina Kalt, Suzanne S Summer, Amanda L Stein, Amanda N Stover, Robert Krikorian
OBJECTIVES: Preclinical studies have shown that blueberry supplementation can improve cognitive performance and neural function in aged animals and have identified associations between anthocyanins and such benefits. Preliminary human trials also suggest cognitive improvement in older adults, although direct evidence of enhancement of brain function has not been demonstrated. In this study, we investigated the effect of blueberry supplementation on regional brain activation in older adults at risk for dementia...
February 21, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28221817/neuroprotective-effect-of-omega-3-polyunsaturated-fatty-acids-in-the-6-ohda-model-of-parkinson-s-disease-is-mediated-by-a-reduction-of-inducible-nitric-oxide-synthase
#3
Marco Aurélio Mori, Ana Marcia Delattre, Bruno Carabelli, Claudia Pudell, Mariza Bortolanza, Pedro Vinícius Staziaki, Jesuí Vergilio Visentainer, Paula Fernandes Montanher, Elaine A Del Bel, Anete Curte Ferraz
OBJECTIVE: Parkinson's disease (PD) is characterized by deterioration of the nigrostriatal system and associated with chronic neuroinflammation. Glial activation has been associated with regulating the survival of dopaminergic neurons and is thought to contribute to PD through the release of proinflammatory and neurotoxic factors, such as reactive nitric oxide (NO) that triggers or exacerbates neurodegeneration in PD. Polyunsaturated fatty acids (PUFAs) exert protective effects, including antiinflammatory, antiapoptotic, and antioxidant activity, and may be promising for delaying or preventing PD by attenuating neuroinflammation and preserving dopaminergic neurons...
February 21, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28198207/neurophysiological-symptoms-and-aspartame-what-is-the-connection
#4
Arbind Kumar Choudhary, Yeong Yeh Lee
Aspartame (α-aspartyl-l-phenylalanine-o-methyl ester), an artificial sweetener, has been linked to behavioral and cognitive problems. Possible neurophysiological symptoms include learning problems, headache, seizure, migraines, irritable moods, anxiety, depression, and insomnia. The consumption of aspartame, unlike dietary protein, can elevate the levels of phenylalanine and aspartic acid in the brain. These compounds can inhibit the synthesis and release of neurotransmitters, dopamine, norepinephrine, and serotonin, which are known regulators of neurophysiological activity...
February 15, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28198205/supplementation-with-macular-carotenoids-reduces-psychological-stress-serum-cortisol-and-sub-optimal-symptoms-of-physical-and-emotional-health-in-young-adults
#5
Nicole Tressa Stringham, Philip V Holmes, James M Stringham
PURPOSE: Oxidative stress and systemic inflammation are the root cause of several deleterious effects of chronic psychological stress. We hypothesize that the antioxidant and anti-inflammatory capabilities of the macular carotenoids (MCs) lutein, zeaxanthin, and meso-zeaxanthin could, via daily supplementation, provide a dietary means of benefit. METHODS: A total of 59 young healthy subjects participated in a 12-month, double-blind, placebo-controlled trial to evaluate the effects of MC supplementation on blood cortisol, psychological stress ratings, behavioural measures of mood, and symptoms of sub-optimal health...
February 15, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28195006/the-differential-effects-of-high-fat-and-high-fructose-diets-on-physiology-and-behavior-in-male-rats
#6
Lauren Woodie, Sarah Blythe
OBJECTIVES: The purpose of the current study is to directly compare a diet high in fat with a diet high in fructose. This side-by-side comparison will allow us to determine the physiological and behavioral effects resulting from the consumption of a diet dominated by one macronutrient. METHODS: Rats were fed pelletized food containing either 60% fat or 55% fructose diet, or control chow (5.8% kcal of fat, 44.3% kcal carb) for 9 weeks. Animals performed a classic Morris Water Maze (MWM) and a reversal MWM to assess spatial and working memory near the end of the feeding period...
February 14, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28195005/current-evidence-for-ampk-activation-involvement-on-resveratrol-induced-neuroprotection-in-cerebral-ischemia
#7
Narayana Pineda-Ramírez, Germán Fernando Gutiérrez Aguilar, Mónica Espinoza-Rojo, Penélope Aguilera
OBJECTIVES: Cerebral ischemia is a neurological condition in which energetics and oxidative stress are dysregulated. Resveratrol is a stilbene with potent pharmacological effects associated with its antioxidant properties. In the brain, resveratrol produces protective responses against ischemia, decreases infarct volume and improves neurological function. Adenosine monophosphate-activated protein kinase (AMPK) is a cellular sensor that acts as a switch to initiate adaptive changes in response to fluctuations in energy metabolism...
February 14, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28185482/suckling-induced-activation-pattern-in-the-brain-of-rat-pups
#8
János Barna, Eva Renner, Antónia Arszovszki, Melinda Cservenák, Zsolt Kovács, Miklós Palkovits, Arpád Dobolyi
OBJECTIVES: The aim of the study was to understand the effects of suckling on the brain of the pups by mapping their brain activation pattern in response to suckling. METHODS: The c-fos method was applied to identify activated neurons. Fasted rat pups were returned to their mothers for suckling and sacrificed 2 hours later for Fos immunohistochemistry. Double labeling was also performed to characterize some of the activated neurons. For comparison, another group of fasted pups were given dry food before Fos mapping...
February 10, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28165879/resveratrol-prevents-ammonia-induced-mitochondrial-dysfunction-and-cellular-redox-imbalance-in-c6-astroglial-cells
#9
Larissa Daniele Bobermin, Diogo Onofre Souza, Carlos-Alberto Gonçalves, André Quincozes-Santos
BACKGROUND: Resveratrol is a polyphenolic compound that presents several protective effects in the central nervous system, including gliotoxicity associated to hyperammonemia, a key element for the development of hepatic encephalopathy. In this condition, mitochondrial dysfunction leads to a reactive oxygen species (ROS) overproduction, which, in turn, exacerbates mitochondrial failure and causes cellular damage. OBJECTIVE: This study sought to determine whether prevention of mitochondrial dysfunction and the maintenance of cellular redox status by resveratrol contribute to its protective action toward ammonia toxicity...
February 6, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28116978/aflatoxin-b1-reduces-non-enzymatic-antioxidant-defenses-and-increases-protein-kinase-c-activation-in-the-cerebral-cortex-of-young-rats
#10
Naiéli Schiefelbein Souto, Ana Claudia Monteiro Braga, Mayara Lutchemeyer de Freitas, Michele Rechia Fighera, Luiz Fernando Freire Royes, Mauro Schneider Oliveira, Ana Flávia Furian
OBJECTIVES: Aflatoxin B1 (AFB1) is the most widespread mycotoxin, and it is a feed contaminant and is highly toxic, causing carcinogenic, mutagenic, and teratogenic effects. Many researches clarified the peripheral effects of the exposition to AFB1; however, there are few studies explaining their effects on central nervous system. The aim of the present study was to evaluate the effects caused by acute oral administration of AFB1 on behavioral tests and selected biochemical parameters...
January 24, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28102110/evaluation-of-the-antidepressant-and-anxiolytic-like-effects-of-a-hydrophilic-extract-from-the-green-seaweed-ulva-sp-in-rats
#11
Nicolas Violle, Pascale Rozan, Hervé Demais, Pi Nyvall Collen, Jean-François Bisson
OBJECTIVES: The green seaweed Ulva sp. contains a large amount of ulvans, a family of sulphated polysaccharides. The present study was designed to investigate in rats the antidepressant- and anxiolytic-like effects of a hydrophilic extract of Ulva sp. (MSP) containing about 45% of ulvans. METHODS: After a 14-day administration of MSP at doses of 10, 20 and 40 mg/kg/day, 48 and 60 male adult Wistar rats were respectively tested in the elevated plus-maze (EPM) and the forced swimming test (FST)...
January 19, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28091281/satiety-and-memory-enhancing-effects-of-a-high-protein-meal-depend-on-the-source-of-protein
#12
Kristy Du, Edward Markus, Mariel Fecych, Justin S Rhodes, J Lee Beverly
OBJECTIVE: High- protein diets have become increasingly popular with various touted benefits. However, the extent to which protein quantity and source affects cognitive functioning through altering postprandial amino acid profiles has not been investigated. Further, whether all protein sources are similarly anorexigenic is uncertain. The objective of this study was to determine the influence of protein level and source on Barnes maze performance, satiety and plasma amino acid levels in male Sprague-Dawley rats...
January 16, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28056704/a-double-blind-randomized-and-placebo-controlled-clinical-trial-with-omega-3-polyunsaturated-fatty-acids-opfa-%C3%A9-3-for-the-prevention-of-migraine-in-chronic-migraine-patients-using-amitriptyline
#13
Adriana de Almeida Soares, Polyanna Mendes Camarço Louçana, Ema Pereira Nasi, Kamila Maria de Holanda Sousa, Odara Maria de Sousa Sá, Raimundo Pereira Silva-Néto
OBJECTIVE: To determine the prophylactic effect of OPFAϖ-3 in migraine. SUBJECTS AND METHODS: This was a prospective, experimental, controlled, double-blind, and with comparison groups study. Sixty patients diagnosed with chronic migraine, according to the criteria of the International Classification of Headache Disorders, Third Edition (beta version) (ICHD-3β), were prophylactically treated with amitriptyline. They were divided into two equal groups: in group 1, prophylaxis was associated with OPFAϖ-3 and in group 2 with placebo...
January 5, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/27996890/the-effect-of-1-25-oh-2-d3-calcitriol-alone-and-in-combination-with-all-trans-retinoic-acid-on-ror-%C3%AE-t-il-17-tgf-%C3%AE-and-foxp3-gene-expression-in-experimental-autoimmune-encephalomyelitis
#14
Karim Parastouei, Abbas Mirshafiey, Mohammad Reza Eshraghian, Mohammad Reza Shiri-Shahsavar, Farid Solaymani-Mohammadi, Reza Chahardoli, Ehsan Alvandi, Ali Akbar Saboor-Yaraghi
OBJECTIVES: It has been shown that calcitriol and all-trans retinoic acid (ATRA) have modulatory effects on the immune system. The present study investigates the synergistic effects of combination treatment of calcitriol and ATRA in experimental autoimmune encephalomyelitis (EAE), an animal model of multiple sclerosis (MS). METHODS: The mice were allocated to four preventive groups, each consisting of eight animals, ATRA (250 μg/mouse), calcitriol (100 ng/mouse), combination of ATRA and calcitriol (125  μg/mouse and 50 ng/mouse) and vehicle groups...
December 20, 2016: Nutritional Neuroscience
https://www.readbyqxmd.com/read/27924679/effect-of-vitamin-d-supplementation-as-adjunctive-therapy-to-methylphenidate-on-adhd-symptoms-a-randomized-double-blind-placebo-controlled-trial
#15
Nakisa Mohammadpour, Shima Jazayeri, Mehdi Tehrani-Doost, Mahmoud Djalali, Mostafa Hosseini, Mohammad Effatpanah, Rozita Davari-Ashtiani, Elham Karami
OBJECTIVES: Previous studies have shown that serum levels of vitamin D were lower in attention deficit hyperactivity disorder (ADHD) children compared to healthy controls. The aim of the study was to determine the effect of vitamin D supplementation as adjunctive therapy to methylphenidate on symptoms of children with ADHD. METHODS: Sixty-two children aged 5-12 years with a diagnosis of ADHD based on DSM-IV criteria were randomly assigned into two groups to receive either 2000IU vitamin D or placebo in addition to methylphenidate for 8 weeks...
December 7, 2016: Nutritional Neuroscience
https://www.readbyqxmd.com/read/27900872/clinical-value-of-nutritional-status-in-neurodegenerative-diseases-what-is-its-impact-and-how-it-affects-disease-progression-and-management
#16
Eftyhia Tsagalioti, Christina Trifonos, Aggeliki Morari, Konstantinos Vadikolias, Constantinos Giaginis
Neurodegenerative diseases constitute a major problem of public health that is associated with an increased risk of mortality and poor quality of life. Malnutrition is considered as a major problem that worsens the prognosis of patients suffering from neurodegenerative diseases. In this aspect, the present review is aimed to critically collect and summarize all the available existing clinical data regarding the clinical impact of nutritional assessment in neurodegenerative diseases, highlighting on the crucial role of nutritional status in disease progression and management...
November 30, 2016: Nutritional Neuroscience
https://www.readbyqxmd.com/read/26842885/agrimonia-pilosa-ledeb-cinnamomum-cassia-blume-and-lonicera-japonica-thunb-protect-against-cognitive-dysfunction-and-energy-and-glucose-dysregulation-by-reducing-neuroinflammation-and-hippocampal-insulin-resistance-in-%C3%AE-amyloid-infused-rats
#17
Sunmin Park, Suna Kang, Da Sol Kim, Bo Rerum Moon
OBJECTIVES: The water extracts of Cinnamomum cassia Blume bark (CCB; Lauraceae), Lonicera japonica Thunb. flower (LJT; Caprifoliaceae), and Agrimonia pilosa Ledeb. leaves (APL; Rosaceae) prevented amyloid-β (25-35)-induced cell death in PC12 cells in our preliminary study. We evaluated whether long-term oral consumption of CCB, LJT, and APL improves cognitive dysfunction and glucose homeostasis in rats with experimentally induced AD-type dementia. METHODS: Male rats received hippocampal CA1 infusions of amyloid-β (25-35, AD) or amyloid-β (35-25, non-plaque forming, normal-controls, Non-AD-CON), at a rate of 3...
February 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/26618715/acute-effects-of-a-wild-green-oat-avena-sativa-extract-on-cognitive-function-in-middle-aged-adults-a-double-blind-placebo-controlled-within-subjects-trial
#18
David O Kennedy, Philippa A Jackson, Joanne Forster, Julie Khan, Torsten Grothe, Tania Perrinjaquet-Moccetti, Crystal F Haskell-Ramsay
A wild green-oats extract (Neuravena(®)) containing a range of potentially bioactive components, including flavonoids and triterpene saponins, has previously been shown to enhance animal stress responses and memory, and improve cognitive performance in humans at a dose of 1600 mg. Methods This double-blind, placebo-controlled, counterbalanced cross-over study assessed the effects of single doses of the green-oat extract (GOE) across a broad range of cognitive domains in healthy adults aged 40-65 years who self-reported that they felt that their memory had declined with age...
February 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/25290491/3-4-dihydroxyflavonol-attenuates-spatial-learning-and-memory-impairments-in-global-cerebral-ischemia
#19
Mehmet Oz, Enver Ahmet Demir, Merve Caliskan, Rasim Mogulkoc, Abdulkerim Kasım Baltaci, K Esra Nurullahoglu Atalik
OBJECTIVES: In the present study, effects of 3',4'-dihydroxyflavonol (DiOHF) on anxiety-like behavior, and learning and memory were investigated in a model of transient global cerebral ischemia and reperfusion. METHODS: The animals were assigned to sham-operated, ischemia, and two DiOHF-treated (10 mg/kg i.p.) groups. DiOHF was administered at 1 hour before and immediately after the ischemia. Male rats were subjected to bilateral common carotid artery occlusion to induce acute cerebral ischemia for 20 minutes, followed by reperfusion for 7 days...
February 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/25268936/the-role-of-igg-hypersensitivity-in-the-pathogenesis-and-therapy-of-depressive-disorders
#20
Hanna Karakuła-Juchnowicz, Patrycja Szachta, Aneta Opolska, Justyna Morylowska-Topolska, Mirosława Gałęcka, Dariusz Juchnowicz, Paweł Krukow, Zofia Lasik
Depressive episodes are associated not only with changes in neurotransmission in the central nervous system, but also may lead to structural changes in the brain through neuroendocrine, inflammatory, and immunological mechanisms. The aim of this article is to present a new hypothesis connecting the inflammatory theory of depression with IgG food hypersensitivity and leaky gut syndrome. This new potential pathway that may mediate the pathogenesis of depression implies the existence of subsequent developmental stages...
February 2017: Nutritional Neuroscience
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