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Advances in Nutrition

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https://www.readbyqxmd.com/read/29438462/butyrate-a-double-edged-sword-for-health
#1
Hu Liu, Ji Wang, Ting He, Sage Becker, Guolong Zhang, Defa Li, Xi Ma
Butyrate, a four-carbon short-chain fatty acid, is produced through microbial fermentation of dietary fibers in the lower intestinal tract. Endogenous butyrate production, delivery, and absorption by colonocytes have been well documented. Butyrate exerts its functions by acting as a histone deacetylase (HDAC) inhibitor or signaling through several G protein-coupled receptors (GPCRs). Recently, butyrate has received particular attention for its beneficial effects on intestinal homeostasis and energy metabolism...
January 1, 2018: Advances in Nutrition
https://www.readbyqxmd.com/read/29438461/backpack-programs-and-the-crisis-narrative-of-child-hunger-a-critical-review-of-the-rationale-targeting-and-potential-benefits-and-harms-of-an-expanding-but-untested-model-of-practice
#2
Maryah S Fram, Edward A Frongillo
In recent years, school-based food backpack programs (BPPs) have come into national prominence as a response to a perceived crisis of child hunger in America. Distributing bags of free food directly to schoolchildren for their own personal consumption each weekend, BPPs bring together private donors, faith communities, and public schools around an intuitively appealing project: children are hungry, and so we give them food. Perhaps because of their intuitive appeal, BPPs have expanded rapidly, without rigorous evaluation to determine their impacts on children, families, and schools...
January 1, 2018: Advances in Nutrition
https://www.readbyqxmd.com/read/29438460/practical-dietary-recommendations-for-the-prevention-and-management-of-nonalcoholic-fatty-liver-disease-in-adults
#3
Elena S George, Adrienne Forsyth, Catherine Itsiopoulos, Amanda J Nicoll, Marno Ryan, Siddharth Sood, Stuart K Roberts, Audrey C Tierney
Nonalcoholic fatty liver disease (NAFLD) is the most common liver disease worldwide. In the absence of effective pharmacotherapies, clinical guidelines focus primarily on weight loss to treat this condition. Established consensus, evidence-based, and clinical dietary recommendations for NAFLD are currently lacking. The aim of this paper is to provide evidence-based practical dietary recommendations for the prevention and management of NAFLD in adults. A literature review focusing on established principles for the development of clinical practice recommendations was employed using the following criteria: based on substantial evidence, ensures risk minimization, is flexible for an individual patient approach, and is open to further modification as evidence emerges...
January 1, 2018: Advances in Nutrition
https://www.readbyqxmd.com/read/29438459/dietary-supplements-with-antiplatelet-activity-a-solution-for-everyone
#4
Beata Olas
Dietary supplements can have beneficial effects on a number of risk factors for cardiovascular diseases, and interest in the use of nonpharmacologic nutraceutical-based treatments for cardiovascular disorders is growing. The aim of this review is to present the role of dietary supplements with antiplatelet activity in the prophylaxis and treatment of cardiovascular disorders. In addition, this paper describes their effects on another very important element of hemostasis-blood coagulation. However, because controlled human clinical experiments are too limited to clearly identify the antiplatelet and anticoagulant properties of dietary supplements, used alone or in combination with classical antiplatelet therapy (e...
January 1, 2018: Advances in Nutrition
https://www.readbyqxmd.com/read/29438458/the-problem-of-curcumin-and-its-bioavailability-could-its-gastrointestinal-influence-contribute-to-its-overall-health-enhancing-effects
#5
Adrian L Lopresti
Curcumin, from the spice turmeric, exhibits anti-inflammatory, antioxidant, anticancer, antiviral, and neurotrophic activity and therefore holds promise as a therapeutic agent to prevent and treat several disorders. However, a major barrier to curcumin's clinical efficacy is its poor bioavailability. Efforts have therefore been dedicated to developing curcumin formulations with greater bioavailability and systemic tissue distribution. However, it is proposed in this review that curcumin's potential as a therapeutic agent may not solely rely on its bioavailability, but rather its medicinal benefits may also arise from its positive influence on gastrointestinal health and function...
January 1, 2018: Advances in Nutrition
https://www.readbyqxmd.com/read/29438456/choline
#6
Steven H Zeisel, Kevin C Klatt, Marie A Caudill
No abstract text is available yet for this article.
January 1, 2018: Advances in Nutrition
https://www.readbyqxmd.com/read/29438455/vitamin-d-status-and-attention-deficit-hyperactivity-disorder-a-systematic-review-and-meta-analysis-of-observational-studies
#7
Yadollah Khoshbakht, Reza Bidaki, Amin Salehi-Abargouei
An association between vitamin D and attention deficit hyperactivity disorder (ADHD) has been proposed by several researchers in recent years; however, the investigations have led to inconsistent results. The present study was conducted to summarize the published observational data on the relation between vitamin D status and the likelihood of ADHD. Online databases, including PubMed, the ISI Web of Science, Google Scholar, and Scopus, were checked up to June 2017 for relevant observational studies. A random-effects model was incorporated to summarize the study results...
January 1, 2018: Advances in Nutrition
https://www.readbyqxmd.com/read/29141980/vitamin-a
#8
Hawi Debelo, Janet A Novotny, Mario G Ferruzzi
No abstract text is available yet for this article.
November 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/29141979/measurement-errors-in-dietary-assessment-using-self-reported-24-hour-recalls-in-low-income-countries-and-strategies-for-their-prevention
#9
Rosalind S Gibson, U Ruth Charrondiere, Winnie Bell
Securing accurate measurements of dietary intake across populations is challenging. Of the methods, self-reported 24-h recalls are often used in low-income countries (LICs) because they are quick, culturally sensitive, do not require high cognitive ability, and provide quantitative data on both foods and nutrients. Measuring intakes via 24-h recalls involves 1) collecting data on food intakes, 2) the appropriate use of relevant food-composition data for calculating nutrient intakes, and 3) statistically converting observed intakes to "usual intakes" for evaluating nutrient adequacy or relations between foods and nutrients and health outcomes...
November 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/29141978/cobalamin-status-from-pregnancy-to-early-childhood-lessons-from-global-experience
#10
REVIEW
Rima Obeid, Michelle Murphy, Pol Solé-Navais, Chittaranjan Yajnik
Low cobalamin intake and status during pregnancy or lactation have been linked to adverse maternal and perinatal health outcomes, whereas low cobalamin status during early childhood is associated with impaired development in children. Women who begin pregnancy with depleted stores (low or very low plasma cobalamin) will give birth to depleted infants who are likely to develop deficiency symptoms during the first few weeks or months postpartum. Newly ingested cobalamin during pregnancy and lactation (from diet or supplements) is transferred to the child and is not likely to correct cobalamin status in depleted women...
November 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/29141977/vitamins-associated-with-brain-aging-mild-cognitive-impairment-and-alzheimer-disease-biomarkers-epidemiological-and-experimental-evidence-plausible-mechanisms-and-knowledge-gaps
#11
REVIEW
Michael Fenech
The key to preventing brain aging, mild cognitive impairment (MCI), and Alzheimer disease (AD) via vitamin intake is first to understand molecular mechanisms, then to deduce relevant biomarkers, and subsequently to test the level of evidence for the impact of vitamins in the relevant pathways and their modulation of dementia risk. This narrative review infers information on mechanisms from gene and metabolic defects associated with MCI and AD, and assesses the role of vitamins using recent results from animal and human studies...
November 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/29141976/25-hydroxyvitamin-d-as-a-biomarker-of-vitamin-d-status-and-its-modeling-to-inform-strategies-for-prevention-of-vitamin-d-deficiency-within-the-population
#12
REVIEW
Kevin D Cashman, Ellen Ghm van den Heuvel, Ruud Jw Schoemaker, Damien P Prévéraud, Helen M Macdonald, Jayashree Arcot
There is substantial evidence that the prevalence of vitamin D deficiency is unacceptably high in the population, and this requires action from a public health perspective. Circulating 25-hydroxyvitamin D [25(OH)D] is a robust and reliable marker of vitamin D status and has been used by numerous agencies in the establishment of vitamin D dietary requirements and for population surveillance of vitamin D deficiency or inadequacy. In a wider context, modeling of serum 25(OH)D data and its contributory sources, namely dietary vitamin D supply and UVB availability, can inform our understanding of population vitamin D status...
November 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/29141975/dietary-strategies-to-reduce-environmental-impact-a-critical-review-of-the-evidence-base
#13
REVIEW
Bradley G Ridoutt, Gilly A Hendrie, Manny Noakes
The food system is a major source of environmental impact, and dietary change has been recommended as an important and necessary strategy to reduce this impact. However, assessing the environmental performance of diets is complex due to the many types of foods eaten and the diversity of agricultural production systems and local environmental settings. To assess the state of science and identify knowledge gaps, an integrative review of the broad topic of environment and diet was undertaken, with particular focus on the completeness of coverage of environmental concerns and the metrics used...
November 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/29141974/scaling-up-dietary-data-for-decision-making-in-low-income-countries-new-technological-frontiers
#14
REVIEW
Winnie Bell, Brooke A Colaiezzi, Cathleen S Prata, Jennifer C Coates
Dietary surveys in low-income countries (LICs) are hindered by low investment in the necessary research infrastructure, including a lack of basic technology for data collection, links to food composition information, and data processing. The result has been a dearth of dietary data in many LICs because of the high cost and time burden associated with dietary surveys, which are typically carried out by interviewers using pencil and paper. This study reviewed innovative dietary assessment technologies and gauged their suitability to improve the quality and time required to collect dietary data in LICs...
November 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/29141973/energy-metabolism-profile-in-individuals-with-prader-willi-syndrome-and-implications-for-clinical-management-a-systematic-review
#15
REVIEW
Maha Alsaif, Sarah A Elliot, Michelle L MacKenzie, Carla M Prado, Catherine J Field, Andrea M Haqq
Prader-Willi syndrome (PWS) is a rare genetic disorder associated with excessive weight gain. Hyperphagia associated with PWS may result in higher energy intake, but alterations in energy expenditure may also contribute to energy imbalance. The purpose of this critical literature review is to determine the presence of alterations in energy expenditure in individuals with PWS. Ten studies that measured total energy expenditure (TEE), resting energy expenditure (REE), sleep energy expenditure (SEE), activity energy expenditure (AEE), and diet induced thermogenesis (DIT) were included in this review...
November 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/29141972/epigenetic-regulation-of-centromere-chromatin-stability-by-dietary-and-environmental-factors
#16
REVIEW
Diego Hernández-Saavedra, Rita S Strakovsky, Patricia Ostrosky-Wegman, Yuan-Xiang Pan
The centromere is a genomic locus required for the segregation of the chromosomes during cell division. This chromosomal region together with pericentromeres has been found to be susceptible to damage, and thus the perturbation of the centromere could lead to the development of aneuploidic events. Metabolic abnormalities that underlie the generation of cancer include inflammation, oxidative stress, cell cycle deregulation, and numerous others. The micronucleus assay, an early clinical marker of cancer, has been shown to provide a reliable measure of genotoxic damage that may signal cancer initiation...
November 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/29141971/role-of-microrna-regulation-in-obesity-associated-breast-cancer-nutritional-perspectives
#17
REVIEW
Ravi Kasiappan, Dheeran Rajarajan
Breast cancer is the most common malignancy diagnosed in women, and the incidence of breast cancer is increasing every year. Obesity has been identified as one of the major risk factors for breast cancer progression. The mechanisms by which obesity contributes to breast cancer development is not yet understood; however, there are a few mechanisms counted as potential producers of breast cancer in obesity, including insulin resistance, chronic inflammation and inflammatory cytokines, adipokines, and sex hormones...
November 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/29141970/natural-forms-of-vitamin-e-as-effective-agents-for-cancer-prevention-and-therapy
#18
REVIEW
Qing Jiang
Initial research on vitamin E and cancer has focused on α-tocopherol (αT), but recent clinical studies on cancer-preventive effects of αT supplementation have shown disappointing results, which has led to doubts about the role of vitamin E, including different vitamin E forms, in cancer prevention. However, accumulating mechanistic and preclinical animal studies show that other forms of vitamin E, such as γ-tocopherol (γT), δ-tocopherol (δT), γ-tocotrienol (γTE), and δ-tocotrienol (δTE), have far superior cancer-preventive activities than does αT...
November 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/29141969/cardiovascular-and-antiobesity-effects-of-resveratrol-mediated-through-the-gut-microbiota
#19
REVIEW
Julia K Bird, Daniel Raederstorff, Peter Weber, Robert E Steinert
Encouraging scientific research into the health effects of dietary bioactive resveratrol has been confounded by its rapid first-pass metabolism, which leads to low in vivo bioavailability. Preliminary studies have shown that resveratrol can modulate gut microbiota composition, undergo biotransformation to active metabolites via the intestinal microbiota, or affect gut barrier function. In rodents, resveratrol can modify the relative Bacteroidetes:Firmicutes ratio and reverse the gut microbial dysbiosis caused by a high-fat diet...
November 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/29141968/the-nitrate-independent-blood-pressure-lowering-effect-of-beetroot-juice-a-systematic-review-and-meta-analysis
#20
REVIEW
Zahra Bahadoran, Parvin Mirmiran, Ali Kabir, Fereidoun Azizi, Asghar Ghasemi
Beetroot is considered a complementary treatment for hypertension because of its high content of inorganic NO3 This systematic review and meta-analysis aimed to clarify several aspects of beetroot juice supplementation on systolic blood pressure (SBP) and diastolic blood pressure (DBP). We searched PubMed, Scopus, and Embase databases, and the reference lists of previous reviews. Randomized clinical trials that investigated the effects of beetroot juice on resting blood pressure in humans were recruited for quality assessment, meta-analyses, subgroup analyses, and meta-regressions; of these, 22 were conducted between 2009 and 2017 and included a total of 47 intervention (n = 650) and 43 control (n = 598) groups...
November 2017: Advances in Nutrition
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