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Nutrient

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https://www.readbyqxmd.com/read/28227866/modelling-nutrient-transfer-based-on-3d-imaging-of-the-human-placental-microstructure
#1
S Perazzolo, R M Lewis, B G Sengers, S Perazzolo, R M Lewis, B G Sengers, B G Sengers, R M Lewis, S Perazzolo
Impaired transfer of nutrients from mother to fetus can affect pregnancy outcomes. The placenta has a complex microstructure, including the maternal intervillous space and fetal capillaries. Previous computational models of placental transfer either assumed a simplified idealized local geometry or were based on 2D imaging. In this study, we present a novel 3D computational model to assess the placental transfer of nutrients at the microscale in interaction with the maternal flow environment. A stack of confocal microscopy images of the placental terminal villi was collected and reconstructed...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226908/s2ni-a-mobile-platform-for-nutrition-monitoring-from-spoken-data
#2
Niloofar Hezarjaribi, Cody A Reynolds, Drew T Miller, Naomi Chaytor, Hassan Ghasemzadeh, Niloofar Hezarjaribi, Cody A Reynolds, Drew T Miller, Naomi Chaytor, Hassan Ghasemzadeh, Hassan Ghasemzadeh, Cody A Reynolds, Naomi Chaytor, Niloofar Hezarjaribi, Drew T Miller
Diet and physical activity are important lifestyle and behavioral factors in self-management and prevention of many chronic diseases. Mobile sensors such as accelerometers have been used in the past to objectively measure physical activity or detect eating time. Diet monitoring, however, still relies on self-recorded data by end users where individuals use mobile devices for recording nutrition intake by either entering text or taking images. Such approaches have shown low adherence in technology adoption and achieve only moderate accuracy...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226775/evaluation-of-multidrug-cancer-chronotherapy-based-on-cell-cycle-model-under-influences-of-circadian-clock
#3
Hiroshi Inokawa, Norihiro Katayama, Mitsuyuki Nakao, Hiroshi Inokawa, Norihiro Katayama, Mitsuyuki Nakao, Mitsuyuki Nakao, Hiroshi Inokawa, Norihiro Katayama
The intracellular circadian clock mechanisms are known to affect various substantial cellular machinery such as cell cycle progression, inflammatory response, apoptosis, and DNA repair. Cancer growth in various tissues is still under circadian control, which may be at least partly underlain by the survived connections between the intracellular machinery and the clock. Considering such findings, chronotherapy has been applied to cancer treatments, in which anti-cancer drugs are administered in scheduled circadian times so as to resolve the trade-off between damages against the normal and cancer cells...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226409/effects-of-xylanase-supplementation-on-growth-performance-nutrient-digestibility-blood-parameters-fecal-microbiota-fecal-score-and-fecal-noxious-gas-emission-of-weaning-pigs-fed-corn-soybean-meal-based-diet
#4
Ruixia Lan, Tianshui Li, Inho Kim
This study was conducted to evaluate the effects of xylanase supplementation on nutrient digestibility, growth performance, blood parameters, fecal microflora shedding, fecal score and fecal noxious gas emission of weaning pigs fed corn-soybean meal based diet. A total of 150 weaning pigs with an average initial body weight (BW) of 7.85 ± 0.93 kg were randomly allocated to three treatments based on BW and sex (10 replicate pens with five pigs, two gilts and three barrows) were used in this 42-day trial...
February 22, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28226260/temporal-performance-assessment-of-wastewater-treatment-plants-by-using-multivariate-statistical-analysis
#5
Milad Ebrahimi, Erin L Gerber, Thomas D Rockaway
For most water treatment plants, a significant number of performance data variables are attained on a time series basis. Due to the interconnectedness of the variables, it is often difficult to assess over-arching trends and quantify operational performance. The objective of this study was to establish simple and reliable predictive models to correlate target variables with specific measured parameters. This study presents a multivariate analysis of the physicochemical parameters of municipal wastewater. Fifteen quality and quantity parameters were analyzed using data recorded from 2010 to 2016...
February 19, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28225939/methodology-for-estimating-dietary-data-from-the-semi-quantitative-food-frequency-questionnaire-of-the-mexican-national-health-and-nutrition-survey-2012
#6
Ivonne Ramírez-Silva, Alejandra Jiménez-Aguilar, Danae Valenzuela-Bravo, Brenda Martinez-Tapia, Sonia Rodríguez-Ramírez, Elsa Berenice Gaona-Pineda, Salomón Angulo-Estrada, Teresa Shamah-Levy
Objective: To describe the methodology used to clean up and estimate dietary intake (DI) data from the Semi-Quantitative Food Frequency Questionnaire (SFFQ) of the Mexican National Health and Nutrition Survey 2012. Materials and methods: DI was collected through a shortterm SFFQ regarding 140 foods (from October 2011 to May 2012). Energy and nutrient intake was calculated according to a nutrient database constructed specifically for the SFFQ. Results: A total of 133 nutrients including energy and fiber were generated from SFFQ data...
November 2016: Salud Pública de México
https://www.readbyqxmd.com/read/28225938/validity-of-a-food-frequency-questionnaire-to-assess-food-intake-in-mexican-adolescent-and-adult-population
#7
Edgar Denova-Gutiérrez, Ivonne Ramírez-Silva, Sonia Rodríguez-Ramírez, Alejandra Jiménez-Aguilar, Teresa Shamah-Levy, Juan A Rivera-Dommarco
Objective: To assess the validity of a 140-item semiquantitative food frequency questionnaire (SFFQ), in Mexican adolescents and adults. Materials and methods: Dietary intakes using a SFFQ and two 24-hour dietary recalls (24DRs), in nonconsecutive days during the same week were measured from 178 adolescents and 230 adults participating in the Mexican National Health and Nutrition Survey-2012.Validity was evaluated using correlation coefficients (CC),deattenuated CC, linear regression models, cross-classification analysis, and the Bland-Altman method...
November 2016: Salud Pública de México
https://www.readbyqxmd.com/read/28225873/alert-for-bone-alterations-and-low-serum-concentrations-of-vitamin-d-in-patients-with-intestinal-inflammatory-disease
#8
Lorete Maria da Silva Kotze, Carolina Tabata Costa, Murilo Franco Cavassani, Renato Mitsunori Nisihara
BACKGROUND: Inflammatory bowel diseases (IBD), including Crohn's disease (CD) and ulcerative colitis (UC), are characterized by chronic inflammation of the intestine that can reduce the absorption of nutrients such as vitamin D and calcium. OBJECTIVE: To investigate bone alterations and serum levels of vitamin D in patients with IBD. METHOD: This was a cross-sectional study based on a review of medical records of patients from a private office in Curitiba, PR, Brazil...
January 1, 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/28225054/nutritional-adequacy-of-diets-for-adolescents-with-overweight-and-obesity-considerations-for-dietetic-practice
#9
N B Lister, M L Gow, K Chisholm, A Grunseit, S P Garnett, L A Baur
BACKGROUND/OBJECTIVES: Adolescents have unique nutrient requirements due to rapid growth and development. High rates of obesity in adolescents require a variety of diet interventions to achieve weight loss under clinical supervision. The aim of this study is to examine the nutritional adequacy of energy-restricted diets for adolescents. SUBJECTS/METHODS: Three popular diets were modelled for 7 days and assessed by comparing the nutrient profile to the Australian Nutrient Reference Values...
February 22, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28224985/episodic-release-of-co2-from-the-high-latitude-north-atlantic-ocean-during-the-last-135%C3%A2-kyr
#10
Mohamed M Ezat, Tine L Rasmussen, Bärbel Hönisch, Jeroen Groeneveld, Peter deMenocal
Antarctic ice cores document glacial-interglacial and millennial-scale variability in atmospheric pCO2 over the past 800 kyr. The ocean, as the largest active carbon reservoir on this timescale, is thought to have played a dominant role in these pCO2 fluctuations, but it remains unclear how and where in the ocean CO2 was stored during glaciations and released during (de)glacial millennial-scale climate events. The evolution of surface ocean pCO2 in key locations can therefore provide important clues for understanding the ocean's role in Pleistocene carbon cycling...
February 22, 2017: Nature Communications
https://www.readbyqxmd.com/read/28224758/physical-and-social-determinants-of-dietary-variety-among-older-adults-living-alone-in-japan
#11
Yoshiharu Fukuda, Midori Ishikawa, Tetsuji Yokoyama, Tatsumi Hayashi, Tomoki Nakaya, Yukari Takemi, Kaoru Kusama, Nobuo Yoshiike, Miho Nozue, Kaori Yoshiba, Nobuko Murayama
AIM: Food security and sufficient nutrient intake are critical to longevity and active aging. The present study aimed to elucidate physical and social factors related to dietary variety among single-living older adults in Japanese communities. METHODS: The cross-sectional survey with a self-administrated questionnaire was carried out for all older adults living alone aged 65 years and older in three cities of Japan during 2014. Dietary variety score (DVS) was determined by counting the number of 10 food groups consumed at least once in 2 days using a food frequency questionnaire...
February 22, 2017: Geriatrics & Gerontology International
https://www.readbyqxmd.com/read/28224105/nutrient-stimulation-of-mesenteric-blood-flow-implications-for-older-critically-ill-patients
#12
REVIEW
Thu An Nguyen, Yasmine Ali Abdelhamid, Liza K Phillips, Leeanne S Chapple, Michael Horowitz, Karen L Jones, Adam M Deane
Nutrient ingestion induces a substantial increase in mesenteric blood flow. In older persons (aged ≥ 65 years), particularly those with chronic medical conditions, the cardiovascular compensatory response may be inadequate to maintain systemic blood pressure during mesenteric blood pooling, leading to postprandial hypotension. In older ambulatory persons, postprandial hypotension is an important pathophysiological condition associated with an increased propensity for syncope, falls, coronary vascular events, stroke and death...
February 4, 2017: World Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28223995/synergistic-action-of-a-microbial-based-biostimulant-and-a-plant-derived-protein-hydrolysate-enhances-lettuce-tolerance-to-alkalinity-and-salinity
#13
Youssef Rouphael, Mariateresa Cardarelli, Paolo Bonini, Giuseppe Colla
In the coming years, farmers will have to deal with growing crops under suboptimal conditions dictated by global climate changes. The application of plant biostimulants such as beneficial microorganisms and plant-derived protein hydrolysates (PHs) may represent an interesting approach for increasing crop tolerance to alkalinity and salinity. The current research aimed at elucidating the agronomical, physiological, and biochemical effects as well as the changes in mineral composition of greenhouse lettuce (Lactuca sativa L...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28223944/il-1%C3%AE-induced-downregulation-of-the-multifunctional-pdz-adaptor-pdzk1-is-attenuated-by-erk-inhibition-rxr%C3%AE-or-ppar%C3%AE-stimulation-in-enterocytes
#14
Min Luo, Sunil Yeruva, Yongjian Liu, Giriprakash Chodisetti, Brigitte Riederer, Manoj B Menon, Keisuke Tachibana, Takefumi Doi, Ursula E Seidler
Background: The PDZ adaptor protein PDZK1 modulates the membrane expression and function of a variety of intestinal receptors and ion/nutrient transporters. Its expression is strongly decreased in inflamed intestinal mucosa of mice and IBD patients. Aim and Methods: We investigated whether the inflammation-associated PDZK1 downregulation is a direct consequence of proinflammatory cytokine release by treating intestinal Caco-2BBE cells with TNF-α, IFN-γ, and IL-1β, and analysing PDZK1 promotor activity, mRNA and protein expression...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28223530/differential-tor-activation-and-cell-proliferation-in-arabidopsis-root-and-shoot-apexes
#15
Xiaojuan Li, Wenguo Cai, Yanlin Liu, Hui Li, Liwen Fu, Zengyu Liu, Lin Xu, Hongtao Liu, Tongda Xu, Yan Xiong
The developmental plasticity of plants relies on the remarkable ability of the meristems to integrate nutrient and energy availability with environmental signals. Meristems in root and shoot apexes share highly similar molecular players but are spatially separated by soil. Whether and how these two meristematic tissues have differential activation requirements for local nutrient, hormone, and environmental cues (e.g., light) remain enigmatic in photosynthetic plants. Here, we report that the activation of root and shoot apexes relies on distinct glucose and light signals...
February 21, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28223520/membrane-integration-of-an-essential-%C3%AE-barrel-protein-prerequires-burial-of-an-extracellular-loop
#16
Joseph S Wzorek, James Lee, David Tomasek, Christine L Hagan, Daniel E Kahne
The Bam complex assembles β-barrel proteins into the outer membrane (OM) of Gram-negative bacteria. These proteins comprise cylindrical β-sheets with long extracellular loops and create pores to allow passage of nutrients and waste products across the membrane. Despite their functional importance, several questions remain about how these proteins are assembled into the OM after their synthesis in the cytoplasm and secretion across the inner membrane. To understand this process better, we studied the assembly of an essential β-barrel substrate for the Bam complex, BamA...
February 21, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28223357/lipid-sensing-by-mtor-via-de-novo-synthesis-of-phosphatidic-acid
#17
Deepak Menon, Darin Salloum, Elyssa Bernfeld, Elizabeth Gorodetsky, Alla Akselrod, Maria A Frias, Jessica Sudderth, Pei-Hsuan Chen, Ralph DeBerardinis, David A Foster
mTOR, the mammalian target of rapamycin, integrates growth factor and nutrient signals to promote a transformation from catabolic to anabolic metabolism, cell growth, and cell cycle progression. Phosphatidic acid (PA)(2) interacts with the FRB (FK506 binding protein-12-rapamycin binding) domain of mTOR, which stabilizes both mTOR complexes - mTORC1 and mTORC2. We report here that mTORC1 and mTORC2 are activated in response to exogenously supplied fatty acids via the de novo synthesis of PA, a central metabolite for membrane phospholipid biosynthesis...
February 21, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28223137/human-clec16a-regulates-autophagy-through-modulating-mtor-activity
#18
Rachel Chun Yee Tam, Michelle Wing Man Li, Yan Pan Gao, Yuen Ting Pang, Sheng Yan, Wei Ge, Chak Sing Lau, Vera Sau Fong Chan
CLEC16A is genetically linked with multiple autoimmune disorders but its functional relevance in autoimmunity remains obscure. Recent evidence has signposted the emerging role of autophagy in autoimmune disease development. Here, by ectopic expression and siRNA silencing, we show that CLEC16A has an inhibitory role in starvation-induced autophagy in human cells. Combining quantitative proteomics and immunoblotting analyses, we found that CLEC16A likely regulates autophagy by activating mTOR pathway. Overexpression of CLEC16A was found to sensitize cells towards the availability of nutrients, resulting in a heightened mTOR activity, which in turn diminished LC3 autophagic activity following nutrient deprivation...
February 18, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28223084/validation-of-a-food-frequency-questionnaire-for-japanese-pregnant-women-with-and-without-nausea-and-vomiting-in-early-pregnancy
#19
Kohei Ogawa, Seung-Chik Jwa, Minatsu Kobayashi, Naho Morisaki, Haruhiko Sago, Takeo Fujiwara
BACKGROUND: No previous study has shown the validity of a food frequency questionnaire (FFQ) in early pregnancy with consideration of nausea and vomiting during pregnancy (NVP). The aim of this study was to evaluate the validity of a FFQ in early pregnancy for Japanese pregnant women. METHOD: We included 188 women before 15 weeks of gestation and compared estimated nutrient intake and food group intake based on a modified FFQ with that based on 3-day dietary records (DRs)...
February 17, 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28222833/invited-review-impact-of-specific-nutrient-interventions-during-mid-to-late-gestation-on-physiological-traits-important-for-survival-of-multiple-born-lambs
#20
S A McCoard, F A Sales, Q L Sciascia
To improve production efficiency, the sheep meat industry has increased flock prolificacy. However, multiple-born lambs have lower birth weights, increased mortality and reduced growth rate compared with single-born lambs. Lamb mortality is a major issue for livestock farming globally and solutions are required to increase survival to realise the value of increased flock fecundity. Nutrition during gestation can influence maternal-foetal placental nutrient transfer and thus foetal growth and organ/tissue development, as well as improve postnatal productivity...
February 22, 2017: Animal: An International Journal of Animal Bioscience
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