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Nutritional Neuroscience

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https://www.readbyqxmd.com/read/28424045/a-modified-mediterranean-dietary-intervention-for-adults-with-major-depression-dietary-protocol-and-feasibility-data-from-the-smiles-trial
#1
Rachelle S Opie, Adrienne O'Neil, Felice N Jacka, Josephine Pizzinga, Catherine Itsiopoulos
BACKGROUND: The SMILES trial was the first randomized controlled trial (RCT) explicitly designed to evaluate a dietary intervention, conducted by qualified dietitians, for reducing depressive symptomatology in adults with clinical depression. OBJECTIVES: Here we detail the development of the prescribed diet (modified Mediterranean diet (ModiMedDiet)) for individuals with major depressive disorders (MDDs) that was designed specifically for the SMILES trial. We also present data demonstrating the extent to which this intervention achieved improvements in diet quality...
April 19, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28421879/dna-methylation-mechanism-of-intracellular-zinc-deficiency-induced-injury-in-primary-hippocampal-neurons-in-the-rat-brain
#2
Cong-Cong He, Zi-Yu Wang, Kun Tian, Wei Liu, Yi-Bo Li, Yan Hong, Li-Xia Yu, Wei Pang, Yu-Gang Jiang, Yan-Qiang Liu
OBJECTIVE: To explore Zn(2+) deficiency-induced neuronal injury in relation to DNA methylation, providing valuable data and basic information for clarifying the mechanism of Zn(2+) deficiency-induced neuronal injury. METHODS: Cultured hippocampal neurons were exposed to the cell membrane-permeant Zn(2+) chelator N,N,N',N'-Tetrakis (2-pyridylmethyl) ethylenediamine (TPEN) (2 μM), and to TPEN (2 μM) plus ZnSO4 (5 μM) for 24 hours. We analyzed intracellular Zn(2+) levels, neuronal viability, and protein/mRNA levels for DNA (cytosine-5) methyltransferase 1 (DNMT1), DNA (cytosine-5-) methyltransferase 3 alpha (DNMT3a), methyl CpG binding protein 2 (MeCP2), Brain-derived neurotrophic factor (BDNF), and growth arrest and DNA-damage-inducible, beta (GADD45b) in the treated neurons...
April 19, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28410563/wernicke-s-encephalopathy-following-reduced-food-intake-due-to-depressive-disorders
#3
Donato Melchionda, Tommaso Martino, Elena Carapelle, Alessandra Lalla, Daniela Cologno, Carlo Avolio
Wernicke's encephalopathy (WE) is an unexpected common neurological disorder caused by thiamine deficiency often due to alcohol abuse, but WE-not alcohol related is also frequent. A prolonged reduction of food intake can cause WE. This condition can arise in depression disorders, especially in the early stages of these psychiatric syndromes. WE is characterized by the triad of signs: ataxia, ocular dysfunctions and confusional state. However, they rarely appear together and this makes the diagnosis particularly difficult, especially when there is not a history of alcohol abuse...
April 14, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28399791/highly-palatable-food-access-during-adolescence-increased-anxiety-depression-like-behaviors-in-male-but-not-in-female-rats
#4
Jin Young Kim, Doyun Kim, Kyungpyo Park, Jong-Ho Lee, Jeong Won Jahng
OBJECTIVES: This study was conducted to examine the sexual dimorphic effects of highly palatable food (HPF) access during adolescence on the neurochemistry and depression-/anxiety-like behaviors of rats. METHODS: Male and female Sprague-Dawley pups had free access to chocolate cookie rich in fat (HPF) from postnatal day 28 in addition to ad libitum chow, and the control groups received only chow. The food conditions were continued throughout the entire experimental period, and the neurochemical and behavioral measurements were performed during young adulthood...
April 11, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28399718/neural-correlates-of-the-healthiness-evaluation-processes-of-food-labels
#5
M Prevost, P Hot, L Muller, B Ruffieux, E Cousin, C Pichat, M Baciu
OBJECTIVES: This fMRI study evaluated the cognitive mechanisms and the cerebral substrates when evaluating the healthiness of food products from nutritional information displayed either with a traffic light (TL) system, a colored nutritional label, or with a guideline daily amount (GDA) system, a numeric label. We postulated that TL label would recruit emotional processes and activation of subjacent cerebral regions (e.g. insula and amygdala). On the contrary, the nutritional information presented in a GDA label, would recruit, due to its numeric format and higher complexity, supplementary cognitive processes and activation of related brain regions (e...
April 11, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28393656/punicalagin-reduces-h2o2-induced-cytotoxicity-and-apoptosis-in-pc12-cells-by-modulating-the-levels-of-reactive-oxygen-species
#6
Maria Elisabetta Clementi, Giovambattista Pani, Beatrice Sampaolese, Giuseppe Tringali
BACKGROUND: Oxidative stress has long been linked to neuronal cell death in many neurodegenerative diseases. Antioxidant conventional supplements are poorly effective in preventing neuronal damage caused by oxidative stress due to their inability to cross the blood brain barrier. Hence the use of molecules extracted from plants and fruits such as phenolics, flavonoids, and terpenoids compounds constitute a new wave of antioxidant therapies to defend against free radicals. OBJECTIVE: In this study we examined the effects of punicalagin, a ellagitannin isolated from the pomegranate juice, on a rat adrenal pheochromocytoma cell line, treated with hydrogen peroxide, evaluating the viability, oxidation potential, mitochondrial function, and eventual apoptosis...
April 9, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28393621/a-review-on-the-relationship-between-gluten-and-schizophrenia-is-gluten-the-cause
#7
Can Ergün, Murat Urhan, Ahmet Ayer
INTRODUCTION: Schizophrenia is a chronic disease that possesses various clinical manifestations. It presents rather heterogeneous characteristics with respect to onset type, symptoms, and the course of the disease. Although the lifetime prevalence is as low as 1%, it can cause serious disability. Thus, it is very important to develop efficient treatment methods. In some studies, it is hypothesized that removing gluten from the diet leads to a significant improvement in disease symptoms...
April 9, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28355957/adolescent-brain-activation-dependence-on-sex-dietary-satiation-and-restraint
#8
Joanna L Varley-Campbell, Jonathan Fulford, Melanie S Moore, Craig A Williams
The study aimed to explore how both sex and dietary restraint impacts brain activation in response to visual food stimuli in young adolescents (12-13 years) under fed and fasted conditions. Food and non-food images were viewed by 15 boys and 14 girls, while functional magnetic resonance images were acquired. The adolescents were either fasted or in a satiated (fed) state following a randomized crossover study design. When satiation state was not considered, girls showed significantly greater brain activity than boys in regions associated with executive function and decision making, working memory, and self-awareness...
March 30, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28338444/the-role-of-diet-in-multiple-sclerosis-a-review
#9
Sabrina Esposito, Simona Bonavita, Maddalena Sparaco, Antonio Gallo, Gioacchino Tedeschi
Multiple sclerosis (MS) is a multifactorial, inflammatory, and neurodegenerative disease of the central nervous system, where environmental factors interact with genetic susceptibility. The role of diet on MS has not been comprehensively elucidated; therefore, through an extensive search of relevant literature, this review reports the most significant evidence regarding nutrition as a possible co-factor influencing the inflammatory cascade by acting on both its molecular pathways and gut microbiota. Since nutritional status and dietary habits in MS patients have not been extensively reported, the lack of a scientific-based consensus on dietary recommendation in MS could encourage many patients to experiment alternative dietetic regimens, increasing the risk of malnutrition...
March 24, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28279130/dietary-macronutrient-composition-and-central-neuropeptide-y-injection-affect-dietary-preference-and-hypothalamic-gene-expression-in-chicks
#10
Betty R McConn, Mark A Cline, Elizabeth R Gilbert
OBJECTIVE: The objective of this study was to determine the influence of dietary macronutrient composition on central NPY's orexigenic effect in chicks. METHODS: Day-of-hatch chicks were fed one of three diets (3000 kcal ME/kg) ad libitum from hatch: high carbohydrate (HC), high fat (HF; 30% ME derived from soybean oil), and high protein (HP; 25 vs. 22% CP). In Experiment 1, chicks received intracerebroventricular injections of 0 (vehicle), 0.2, or 2.0 nmol NPY on day 4 and food intake was recorded for 6 hours...
March 10, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28276272/gut-brain-and-brain-gut-axis-in-parkinson-s-disease-models-effects-of-a-uridine-and-fish-oil-diet
#11
Paula Perez-Pardo, Hemraj B Dodiya, Laus M Broersen, Hidde Douna, Nick van Wijk, Sofia Lopes da Silva, Johan Garssen, Ali Keshavarzian, Aletta D Kraneveld
Recent investigations have focused on the potential role of gastrointestinal (GI) abnormalities in the pathogenesis of Parkinson's disease (PD). The 'dual-hit' hypothesis of PD speculates that a putative pathogen enters the brain via two routes: the olfactory system and the GI system. Here, we investigated (1) whether local exposures of the neurotoxin rotenone in the gut or the brain of mice could induce PD-like neurological and GI phenotypes as well as a characteristic neuropathology in accordance with this 'dual-hit hypothesis' and (2) the effects of a diet containing uridine and fish oil providing docosahexaenoic acid (DHA), in both models...
March 9, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28276271/an-anthocyanin-enriched-extract-from-strawberries-delays-disease-onset-and-extends-survival-in-the-hsod1-g93a-mouse-model-of-amyotrophic-lateral-sclerosis
#12
Aimee N Winter, Erika K Ross, Heather M Wilkins, Trisha R Stankiewicz, Tyler Wallace, Keith Miller, Daniel A Linseman
OBJECTIVE: Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disease resulting from the death of motor neurons in the brain, brain stem, and spinal cord. Several processes such as oxidative stress, neuroinflammation, and neuronal apoptosis, contribute to disease progression. Anthocyanins are flavonoid compounds derived from fruits and vegetables that possess antioxidant, anti-inflammatory, and anti-apoptotic abilities. Thus, these unique compounds may provide therapeutic benefit for the treatment of ALS...
March 9, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28276261/high-monosaccharide-intake-inhibits-anorexigenic-hypothalamic-insulin-response-in-male-rats
#13
Viviane Wagner Ramos, Leandro Oliveira Batista, Elisaldo Mendes Cordeiro, Gustavo Vieira Oliveira, Kelse Tibau Albuquerque
OBJECTIVE: The aim of this research is to evaluate if intake of 20% fructose solution is able to change the anorexigenic hypothalamic insulin action. METHODS: Thirty day-old male Wistar rats were randomly assigned to one of the following groups: standard chow and water for the rats (Control group, C) and standard chow and 20% fructose solution for the rats (Fructose group, F).These treatments lasted 8 weeks. Three-month-old rats from group C and F received insulin or saline intracerebroventricular injections for evaluation of 24 h food intake, phosphorylated forms of the IR (p-IR) and Akt (p-Akt) proteins and quantified hypothalamic insulin receptor (IR) and insulin receptor substrate 1 (IRS-1) proteins...
March 9, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28276260/holothuria-scabra-extracts-exhibit-anti-parkinson-potential-in-c-elegans-a-model-for-anti-parkinson-testing
#14
Pawanrat Chalorak, Prapaporn Jattujan, Saksit Nobsathian, Tanate Poomtong, Prasert Sobhon, Krai Meemon
OBJECTIVES: Parkinson's disease (PD) is associated with aggregation of α-synuclein and selective death of dopaminergic (DA) neurons in the substantia nigra, thereby leading to cognitive and motor impairments. Nowadays, the drugs commonly used for PD treatment, such as levodopa, provide only symptomatic relief. Therefore, seeking new drugs against PD, especially from plants and marine organisms, is one of the major research areas to be explored. This study aimed to investigate the anti-Parkinson activity of the extracts from the sea cucumber, Holothuria scabra, by using Caenorhabditis elegans as a model...
March 9, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28276257/pre-conceptual-and-prenatal-supplementary-folic-acid-and-multivitamin-intake-behavioral-problems-and-hyperkinetic-disorders-a-study-based-on-the-danish-national-birth-cohort-dnbc
#15
Jasveer Virk, Zeyan Liew, Jørn Olsen, Ellen A Nohr, Janet M Catov, Beate Ritz
OBJECTIVE: To evaluate whether early folic acid or multivitamin supplementation during pregnancy prevents diagnosis of hyperkinetic disorders (HKD), treatment for attention deficit hyperactivity disorder (ADHD), and ADHD-like behaviors reported by parents participating in the DNBC for children at age 7. METHODS: HKD diagnosis and ADHD medication use data were obtained from the Danish National Hospital, Central Psychiatric and Pharmaceutical registers. We estimated hazard ratios (HRs) for HKD diagnosis and ADHD medication use and risk ratios (RRs) for parent-reported ADHD behavior collected with the Strength and Difficulties Questionnaire (SDQ), comparing children whose mothers took folic acid or multivitamin supplements early in pregnancy defined as starting periconceptionally (4 weeks prior to their last menstrual period (LMP)) through 8 weeks after their LMP (4-8 weeks), to children whose mothers indicated no supplement use for the same entire period...
March 9, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28245707/standardized-extract-of-lactuca-sativa-linn-and-its-fractions-abrogates-scopolamine-induced-amnesia-in-mice-a-possible-cholinergic-and-antioxidant-mechanism
#16
Jai Malik, Jagpreet Kaur, Sunayna Choudhary
OBJECTIVES: The present study was designed to evaluate the efficacy of Lactuca sativa (LS) Linn. (Asteraceae) against scopolamine- induced amnesia and to validate its traditional claim as memory enhancer. METHODS: Ethanol extract of fresh LS leaves (LSEE), standardized on the basis of quercetin content, was successively partitioned using various solvents viz., hexane, ethyl acetate, and n-butanol in increasing order of polarity. LSEE (50, 100, and 200 mg/kg) and its various fractions (at a dose equivalent to dose of LSEE exhibiting maximum activity), administered orally for 14 days, were evaluated for their memory enhancing effect against scopolamine-induced (1 mg/kg, i...
February 28, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28224818/adjunctive-low-dose-docosahexaenoic-acid-dha-for-major-depression-an-open-label-pilot-trial
#17
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
#18
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
#19
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
#20
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
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