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Journal of Nutrition

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https://www.readbyqxmd.com/read/28331054/ambient-uvb-dose-and-sun-enjoyment-are-important-predictors-of-vitamin-d-status-in-an-older-population
#1
Fiona O'Sullivan, Eamon Laird, Dervla Kelly, Jos van Geffen, Michiel van Weele, Helene McNulty, Leane Hoey, Martin Healy, Kevin McCarroll, Conal Cunningham, Miriam Casey, Mary Ward, J J Strain, Anne M Molloy, Lina Zgaga
Background: UVB-induced skin synthesis is considered the key source of vitamin D, yet exposure to UVB is poorly accounted for in epidemiological studies.Objectives: The aim of this study was to examine the association of serum 25-hydroxyvitamin D [25(OH)D] concentration with accurately measured ambient UVB dose, sun enjoyment, supplements, and other factors.Methods: An all-Irish cohort of community-dwelling participants aged >60 y [median age: 73; 67% female; median 25(OH)D: 54.5 nmol/L] was used. Participants from this large, cross-sectional study completed a questionnaire to provide information on demographic factors and lifestyle (including supplement use and sun enjoyment)...
March 22, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28331053/acetate-dose-dependently-stimulates-milk-fat-synthesis-in-lactating-dairy-cows
#2
Natalie L Urrutia, Kevin J Harvatine
Background: Acetate is a short-chain fatty acid (FA) that is especially important to cows because it is the major substrate for de novo FA synthesis. However, the effect of acetate supply on mammary lipid synthesis is not clear.Objective: The objective of this experiment was to determine the effect of increasing acetate supply on milk fat synthesis in lactating dairy cows.Methods: Six multiparous lactating Holstein cows were randomly assigned to treatments in a replicated design to investigate the effect of acetate supply on milk fat synthesis...
March 22, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28298543/a-nutrition-education-program-in-rural-bangladesh-was-associated-with-improved-feeding-practices-but-not-with-child-growth
#3
Aatekah Owais, Benjamin Schwartz, David G Kleinbaum, Parminder S Suchdev, Abu Syed Golam Faruque, Sumon K Das, Shahed Rahman, Aryeh D Stein
Background: Childhood undernutrition is a major public health problem in Bangladesh. Evaluating child nutrition programs is a priority.Objective: The objective of this study was to evaluate a community-based nutrition education program (implemented from 2011 to 2013) aimed at improving infant and young child feeding (IYCF) practices and growth in rural Bangladesh.Methods: A cohort-based evaluation was conducted that included 2400 women (1200 from Karimganj, the intervention subdistrict, and 1200 from Katiadi, the control subdistrict) enrolled at 28-31 wk gestation in 3 waves between January and October 2011...
March 15, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28298542/lipid-emulsion-added-to-a-liquid-high-carbohydrate-diet-and-voluntary-running-exercise-reduce-lipogenesis-and-ameliorate-early-stage-hepatic-steatosis-in-mice
#4
Kuan-Hsun Huang, Lei Hao, Philip B Smith, Connie J Rogers, Andrew D Patterson, A Catharine Ross
Background: The use of parenteral nutrition formulas is often associated with the development of hepatic steatosis. We have shown previously that the addition of a lipid emulsion (LE) rich in n-6 (ω-6) fatty acids (FAs) ameliorated triglyceride (TG) accumulation in the livers of nonobese mice fed a high-carbohydrate diet (HCD) for 5 wk. However, it remains unclear how rapidly this condition develops and whether it can be prevented by LE with or without a running wheel for voluntary exercise (Exe).Objective: We investigated in an 8-d study whether mice develop steatosis and whether the administration of LE with or without Exe reduces the concentration of total FAs and prevents an increase in the expression of genes in the liver associated with lipogenesis...
March 15, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28298541/rosa-mosqueta-oil-prevents-oxidative-stress-and-inflammation-through-the-upregulation-of-ppar-%C3%AE-and-nrf2-in-c57bl-6j-mice-fed-a-high-fat-diet
#5
Daniel González-Mañán, Amanda D'Espessailles, Camila G Dossi, Marcela San Martín, Rodrigo A Mancilla, Gladys S Tapia
Background: Rosa mosqueta (RM) oil is characterized by high concentrations of antioxidants and α-linolenic acid (ALA; 18:3n-3). We have previously demonstrated in male C57BL/6J mice that RM decreases hepatic steatosis, a condition strongly associated with oxidative stress and inflammation.Objective: We studied the molecular mechanisms that underlie the role of RM in preventing high-fat diet (HFD)-induced oxidative stress and inflammation.Methods: Male C57BL/6J mice aged 28 d and weighing 12-14 g were divided into the following groups and fed for 12 wk: control diet (CD; 10% fat, 20% protein, and 70% carbohydrates); CD + RM (1...
March 15, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28298540/boys-are-more-stunted-than-girls-from-early-infancy-to-3-y-of-age-in-rural-senegal
#6
Kirsten A Bork, Aldiouma Diallo
Background: Girls tend to have a lower risk of stunting than boys do in low-income countries.Objective: We evaluated differences in height status and complementary food (CF) intake between sexes from ages 2 to 39 mo in Senegal.Methods: Length and weight measurements were taken at ages 2-3, 4-5, 6-8, and 9-10 mo (n = 7319). Qualitative 24-h and 7-d food recalls were conducted in a subgroup (n = 2512). A smaller subsample was followed up to age 39 mo (n = 512). Height was measured, and intake of CF was noted...
March 15, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28298539/nonresponse-and-underreporting-errors-increase-over-the-data-collection-week-based-on-paradata-from-the-national-household-food-acquisition-and-purchase-survey
#7
Mengyao Hu, Garrett W Gremel, John A Kirlin, Brady T West
Background: Food acquisition diary surveys are important for studying food expenditures, factors affecting food acquisition decisions, and relations between these decisions with selected measures of health (e.g., body mass index, self-reported health). However, to our knowledge, no studies have evaluated the errors associated with these diary surveys, which can bias survey estimates and research findings. The use of paradata, which has been largely ignored in previous literature on diary surveys, could be useful for studying errors in these surveys...
March 15, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28298538/protein-recommendations-for-bodybuilders-in-this-case-more-may-indeed-be-better
#8
Douglas Paddon-Jones
No abstract text is available yet for this article.
March 15, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28298537/obesity-mediates-the-association-between-mediterranean-diet-consumption-and-insulin-resistance-and-inflammation-in-us-adults
#9
Yong-Moon Park, Jiajia Zhang, Susan E Steck, Teresa T Fung, Linda J Hazlett, Kyungdo Han, Seung-Hyun Ko, Anwar T Merchant
Background: The inverse association between Mediterranean diet (Med-diet) consumption and insulin resistance or inflammatory markers is well known. However, the extent to which obesity may act directly on or mediate this association is unclear.Objective: We aimed to investigate whether the associations between Med-diet consumption and markers of insulin resistance and inflammation are mediated by body mass index (BMI) or waist circumference (WC) in a representative US population.Methods: We used cross-sectional data from 4700 adults aged 20-90 y without any previous diagnosis of cancer, cardiovascular disease, diabetes, or hypertension based on the NHANES III, 1988-1994...
March 15, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28298536/pasteurization-procedures-for-donor-human-milk-affect-body-growth-intestinal-structure-and-resistance-against-bacterial-infections-in-preterm-pigs
#10
Yanqi Li, Duc Ninh Nguyen, Marita de Waard, Lars Christensen, Ping Zhou, Pingping Jiang, Jing Sun, Anders Miki Bojesen, Charlotte Lauridsen, Jens Lykkesfeldt, Trine Kastrup Dalsgaard, Stine Brandt Bering, Per Torp Sangild
Background: Holder pasteurization (HP) destroys multiple bioactive factors in donor human milk (DM), and UV-C irradiation (UVC) is potentially a gentler method for pasteurizing DM for preterm infants.Objective: We investigated whether UVC-treated DM improves gut maturation and resistance toward bacterial infections relative to HP-treated DM.Methods: Bacteria, selected bioactive components, and markers of antioxidant capacity were measured in unpasteurized donor milk (UP), HP-treated milk, and UVC-treated milk (all from the same DM pool)...
March 15, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28298535/resistant-starch-but-not-enzymatically-modified-waxy-maize-delays-development-of-diabetes-in-zucker-diabetic-fatty-rats
#11
Mette Skou Hedemann, Kjeld Hermansen, Sven Pedersen, Knud Erik Bach Knudsen
Background: The incidence of type 2 diabetes (T2D) is increasing worldwide, and nutritional management of circulating glucose may be a strategic tool in the prevention of T2D.Objective: We studied whether enzymatically modified waxy maize with an increased degree of branching delayed the onset of diabetes in male Zucker diabetic fatty (ZDF) rats.Methods: Forty-eight male ZDF rats, aged 5 wk, were divided into 4 groups and fed experimental diets for 9 wk that contained 52.95% starch: gelatinized corn starch (S), glucidex (GLU), resistant starch (RS), or enzymatically modified starch (EMS)...
March 15, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28275104/dietary-choline-intake-is-directly-associated-with-bone-mineral-density-in-the-hordaland-health-study
#12
Jannike Øyen, Clara Gram Gjesdal, Therese Karlsson, Gard Ft Svingen, Grethe S Tell, Elin Strand, Christian A Drevon, Kathrine J Vinknes, Klaus Meyer, Per Magne Ueland, Ottar Nygård
Background: Choline is an important nutrient either obtained from a variety of foods or synthesized endogenously, and it is the precursor of betaine. We previously reported positive associations between plasma free choline and bone mineral density (BMD). Animal studies suggest an impact of dietary choline on bone metabolism, but the role of dietary intake of choline and betaine for human bone health is unknown.Objectives: The main aims were to examine the associations of dietary choline, choline species, and betaine with BMD and to study the relations between dietary and plasma free choline and betaine...
March 8, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28275103/serum-folate-vitamin-b-12-vitamin-a-%C3%AE-tocopherol-%C3%AE-tocopherol-and-carotenoids-do-not-modify-associations-between-cadmium-exposure-and-leukocyte-telomere-length-in-the-general-us-adult-population
#13
Sarah Jo Nomura, Kim Robien, Ami R Zota
Background: Leukocyte telomere length (LTL) is a biomarker of the aging process and is associated with the risk of chronic disease. Higher exposure to cadmium may be associated with shorter LTL, and adequate nutrient concentrations may be associated with longer LTL; however, the potential interaction between metals and nutrients on LTL has yet to be examined.Objectives: The objective of this study was to evaluate whether serum concentrations of vitamins and carotenoids were associated with LTL, and whether they modified the association between blood cadmium and LTL in the US NHANES (1999-2002)...
March 8, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28275102/plasma-glutamine-is-a-minor-precursor-for-the-synthesis-of-citrulline-a-multispecies-study
#14
Juan C Marini, Umang Agarwal, Inka C Didelija, Mahshid Azamian, Barbara Stoll, Sandesh Cs Nagamani
Background: Glutamine is considered the main precursor for citrulline synthesis in many species, including humans. The transfer of (15)N from 2-[(15)N]-glutamine to citrulline has been used as evidence for this precursor-product relation. However, work in mice has shown that nitrogen and carbon tracers follow different moieties of glutamine and that glutamine contribution to the synthesis of citrulline is minor. It is unclear whether this small contribution of glutamine is also true in other species.Objective: The objective of the present work was to determine the contribution of glutamine to citrulline production by using nitrogen and carbon skeleton tracers in multiple species...
March 8, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28275101/higher-maternal-dietary-protein-intake-is-associated-with-a-higher-risk-of-gestational-diabetes-mellitus-in-a-multiethnic-asian-cohort
#15
Wei Wei Pang, Marjorelee Colega, Shirong Cai, Yiong Huak Chan, Natarajan Padmapriya, Ling-Wei Chen, Shu-E Soh, Wee Meng Han, Kok Hian Tan, Yung Seng Lee, Seang-Mei Saw, Peter D Gluckman, Keith M Godfrey, Yap-Seng Chong, Rob M van Dam, Mary Ff Chong
Background: Dietary protein may affect glucose metabolism through several mechanisms, but results from studies on dietary protein intake and risk of gestational diabetes mellitus (GDM) have been inconsistent.Objective: We examined the cross-sectional associations of dietary protein intake from different food sources during pregnancy with the risk of GDM in a multiethnic Asian population.Methods: We included 980 participants with singleton pregnancies from the Growing Up in Singapore Toward healthy Outcomes (GUSTO) cohort...
March 8, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28275100/maternal-supplementation-with-small-quantity-lipid-based-nutrient-supplements-compared-with-multiple-micronutrients-but-not-with-iron-and-folic-acid-reduces-the-prevalence-of-low-gestational-weight-gain-in-semi-urban-ghana-a-randomized-controlled-trial
#16
Seth Adu-Afarwuah, Anna Lartey, Harriet Okronipa, Per Ashorn, Ulla Ashorn, Mamane Zeilani, Mary Arimond, Stephen A Vosti, Kathryn G Dewey
Background: It is unclear whether maternal supplementation with small-quantity lipid-based nutrient supplements (SQ-LNSs; 118 kcal/d) affects maternal weight.Objective: We compared several secondary anthropometric measures between 3 groups of women in the iLiNS (International Lipid-based Nutrient Supplements)-DYAD trial in Ghana.Methods: Women (n = 1320; <20 wk of gestation) were randomly assigned to receive 60 mg Fe + 400 μg folic acid/d (IFA), 18 vitamins and minerals/d [multiple micronutrients (MMNs)], or 20 g SQ-LNSs with 22 micronutrients/d (LNS) during pregnancy and a placebo (200 mg Ca/d), MMNs, or SQ-LNSs, respectively, for 6 mo postpartum...
March 8, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28275099/the-mediterranean-diet-score-is-more-strongly-associated-with-favorable-cardiometabolic-risk-factors-over-2-years-than-other-diet-quality-indexes-in-puerto-rican-adults
#17
Josiemer Mattei, Mercedes Sotos-Prieto, Sherman J Bigornia, Sabrina E Noel, Katherine L Tucker
Background: Multiple diet quality scores have been used to evaluate adherence to specific dietary recommendations or to consumption of healthful foods and nutrients. It remains unknown which score can more strongly predict longitudinal changes in cardiometabolic risk factors.Objective: We aimed to determine associations of 5 diet quality scores [AHA diet score (AHA-DS), Dietary Approaches to Stop Hypertension (DASH), Healthy Eating Index (HEI)-2005, Mediterranean diet score (MeDS), and Alternative Healthy Eating Index (AHEI)] with 2-y changes in cardiometabolic risk factors in adults 45-75 y old...
March 8, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28250195/adherence-specific-social-support-enhances-adherence-to-calcium-supplementation-regimens-among-pregnant-women
#18
Stephanie L Martin, Moshood O Omotayo, Gretel H Pelto, Gina M Chapleau, Rebecca J Stoltzfus, Katherine L Dickin
Background: WHO guidelines recommend integrating calcium supplementation into antenatal care (ANC) alongside iron and folic acid (IFA) to reduce maternal mortality. However, supplementation programs face multiple barriers, and strategies to improve adherence are needed. An adherence partner is someone whom pregnant women ask to support adherence at home.Objectives: This study 1) assessed adherence partner acceptability, feasibility, and associations with calcium and IFA supplement adherence and 2) examined relations between social support and adherence...
March 1, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28250194/evidence-favoring-a-positive-feedback-loop-for-physiologic-auto-upregulation-of-hnrnp-e1-during-prolonged-folate-deficiency-in-human-placental-cells
#19
Ying-Sheng Tang, Rehana A Khan, Suhong Xiao, Deborah K Hansen, Sally P Stabler, Praveen Kusumanchi, Hiremagalur N Jayaram, Aśok C Antony
Background: Previously, we determined that heterogeneous nuclear ribonucleoprotein E1 (hnRNP-E1) functions as an intracellular physiologic sensor of folate deficiency. In this model, l-homocysteine, which accumulates intracellularly in proportion to the extent of folate deficiency, covalently binds to and thereby activates homocysteinylated hnRNP-E1 to interact with folate receptor-α mRNA; this high-affinity interaction triggers the translational upregulation of cell surface folate receptors, which enables cells to optimize folate uptake from the external milieu...
March 1, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28250193/that-which-is-bad-can-trigger-good-in-the-human-body-homocysteine-bound-hnrnp-e1-as-a-molecular-sensor-of-physiologic-folate-deficiency
#20
Chandra Shekhar K Mayanil
No abstract text is available yet for this article.
March 1, 2017: Journal of Nutrition
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