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Journal of Nutrition

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https://www.readbyqxmd.com/read/28814533/dietary-selenium-deficiency-or-excess-reduces-sperm-quality-and-testicular-mrna-abundance-of-nuclear-glutathione-peroxidase-4-in-rats
#1
Ji-Chang Zhou, Shijie Zheng, Junluan Mo, Xiongshun Liang, Yuanfei Xu, Huimin Zhang, Chunmei Gong, Xiao-Li Liu, Xin Gen Lei
Background: Glutathione peroxidase (GPX) 4 and selenoprotein P (SELENOP) are abundant, and several variants are expressed in the testis.Objective: We determined the effects of dietary selenium deficiency or excess on sperm quality and expressions of GPX4 and SELENOP variants in rat testis and liver.Methods: After weaning, male Sprague-Dawley rats were fed a Se-deficient basal diet (BD) for 5 wk until they were 9 wk old [mean ± SEM body weight (BW) = 256 ± 5 g]. They were then fed the BD diet alone (deficient) or with 0...
August 16, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28814532/developmental-process-and-early-phases-of-implementation-for-the-us-interagency-committee-on-human-nutrition-research-national-nutrition-research-roadmap-2016-2021
#2
Sheila E Fleischhacker, Rachel M Ballard, Pamela E Starke-Reed, Deborah A Galuska, Marian L Neuhouser
The Interagency Committee on Human Nutrition Research (ICHNR) is charged with improving the planning, coordination, and communication among federal agencies engaged in nutrition research and with facilitating the development and updating of plans for federal research programs to meet current and future domestic and international needs for nutrition. The ICHNR is co-chaired by the USDA Under Secretary for Research, Education, and Economics and Chief Scientist and the US Department of Health and Human Services Assistant Secretary for Health and is made up of >10 departments and agencies...
August 16, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28814531/patients-with-nonalcoholic-fatty-liver-disease-have-a-low-response-rate-to-vitamin-d-supplementation
#3
Jaividhya Dasarathy, Rony Varghese, Abram Feldman, Amer Khiyami, Arthur J McCullough, Srinivasan Dasarathy
Background: Hypovitaminosis D is associated with an increased severity of nonalcoholic fatty liver disease (NAFLD), but reports on the response to cholecalciferol (vitamin D3) supplementation are conflicting.Objective: The objective of this study was to determine if standard vitamin D3 supplementation is effective in NAFLD with hypovitaminosis D.Methods: Sixty-five well-characterized adults [age (mean ± SD): 51.6 ± 12.3 y] with biopsy-proven NAFLD were screened. Forty-two patients (the ratio of men to women was 13:29) had hypovitaminosis D (plasma 25-hydroxyvitamin D [25(OH)D] <30 ng/mL)...
August 16, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28814530/a-high-fat-diet-decreases-bone-mass-in-growing-mice-with-systemic-chronic-inflammation-induced-by-low-dose-slow-release-lipopolysaccharide-pellets
#4
Jay J Cao, Brian R Gregoire, Chwan-Li Shen
Background: Chronic inflammation is associated with increased bone resorption and is linked to osteopenia, or low bone mass. Obesity is also associated with low-grade chronic upregulation of inflammatory cytokines.Objective: This study investigated the effect of high-fat (HF) diet-induced obesity on bone structure changes in growing mice with existing systemic chronic inflammation induced by low-dose, slow-release lipopolysaccharide (LPS).Methods: Forty-eight 6-wk-old female C57BL/6 mice were randomly assigned to 4 treatment groups (n = 12/group) in a 2 × 2 factorial design-control (placebo) or LPS treatment (1...
August 16, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28794213/brachial-and-cerebrovascular-functions-are-enhanced-in-postmenopausal-women-after-ingestion-of-chocolate-with-a-high-concentration-of-cocoa
#5
Channa E Marsh, Howard H Carter, Kym J Guelfi, Kurt J Smith, Kerryn E Pike, Louise H Naylor, Daniel J Green
Background: Cocoa contains polyphenols that are thought to be beneficial for vascular health.Objective: We assessed the impact of chocolate containing distinct concentrations of cocoa on cerebrovascular function and cognition.Methods: Using a counterbalanced within-subject design, we compared the acute impact of consumption of energy-matched chocolate containing 80%, 35%, and 0% single-origin cacao on vascular endothelial function, cognition, and cerebrovascular function in 12 healthy postmenopausal women (mean ± SD age: 57...
August 9, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28794212/addition-of-rye-bran-and-pea-fiber-to-pork-meatballs-enhances-subjective-satiety-in-healthy-men-but-does-not-change-glycemic-or-hormonal-responses-a-randomized-crossover-meal-test-study
#6
Ursula Kehlet, Josephine Kofod, Jens J Holst, Christian Ritz, Margit D Aaslyng, Anne Raben
Background: The development of high-protein, fiber-rich foods targeting appetite control could be an efficient tool in obesity prevention.Objectives: We investigated whether ad libitum energy intake (EI), appetite, and metabolic markers in a meal context were affected by 1) fiber addition (rye bran and pea fiber) to pork meatballs, 2) the food matrix of the fiber (fiber meatballs compared with fiber bread), or 3) the protein source (animal compared with vegetable protein patties).Methods: In a crossover design, 40 healthy men [mean ± SD: body mass index (BMI; in kg/m(2)), 22...
August 9, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28794211/dietary-whole-egg-consumption-attenuates-body-weight-gain-and-is-more-effective-than-supplemental-cholecalciferol-in-maintaining-vitamin-d-balance-in-type-2-diabetic-rats
#7
Cassondra J Saande, Samantha K Jones, Kaylee E Hahn, Carter H Reed, Matthew J Rowling, Kevin L Schalinske
Background: Type 2 diabetes (T2D) is characterized by vitamin D insufficiency owing to excessive urinary loss of 25-hydroxycholecalciferol [25(OH)D]. We previously reported that a diet containing dried whole egg, a rich source of vitamin D, was effective at maintaining circulating 25(OH)D concentrations in rats with T2D. Furthermore, whole egg consumption reduced body weight gain in rats with T2D.Objective: This study was conducted to compare whole egg consumption with supplemental cholecalciferol with respect to vitamin D balance, weight gain, and body composition in rats with T2D...
August 9, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28794210/metabolomic-evaluation-of-the-consequences-of-plasma-cystathionine-elevation-in-adults-with-stable-angina-pectoris
#8
Barbara N DeRatt, Maria A Ralat, Vegard Lysne, Fariba Tayyari, Indu Dhar, Arthur S Edison, Timothy J Garrett, Øivind Midttun, Per Magne Ueland, Ottar Kjell Nygård, Jesse F Gregory
Background: An elevated circulating cystathionine concentration, which arises in part from insufficiencies of vitamin B-6, B-12, or folate, has been shown to be associated with cardiovascular disease (CVD) risk. Hydrogen sulfide (H2S) is a gasotransmitter involved in vasodilation, neuromodulation, and inflammation. Most endogenously produced H2S is formed by pyridoxal phosphate (PLP)-dependent enzymes by noncanonical reactions of the transsulfuration pathway that yield H2S concurrently form lanthionine and homolanthionine...
August 9, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28794209/phylloquinone-intake-is-associated-with-cardiac-structure-and-function-in-adolescents
#9
Mary K Douthit, Mary Ellen Fain, Joshua T Nguyen, Celestine F Williams, Allison H Jasti, Bernard Gutin, Norman K Pollock
Background: Associations between childhood vitamin K consumption and cardiac structure and function have not been investigated.Objective: We determined associations between phylloquinone (vitamin K-1) intake and left ventricular (LV) structure and function in adolescents.Methods: We assessed diet with three to seven 24-h recalls and physical activity (PA) by accelerometry in 766 adolescents (aged 14-18 y, 50% female, 49% black). Fat-free soft tissue (FFST) mass and fat mass were measured by dual-energy X-ray absorptiometry...
August 9, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28794208/estimation-of-chicken-intake-by-adults-using-metabolomics-derived-markers
#10
Xiaofei Yin, Helena Gibbons, Milena Rundle, Gary Frost, Breige A McNulty, Anne P Nugent, Janette Walton, Albert Flynn, Michael J Gibney, Lorraine Brennan
Background: Improved assessment of meat intake with the use of metabolomics-derived markers can provide objective data and could be helpful in clarifying proposed associations between meat intake and health.Objective: The objective of this study was to identify novel markers of chicken intake using a metabolomics approach and use markers to determine intake in an independent cohort.Methods: Ten participants [age: 62 y; body mass index (in kg/m(2)): 28.25] in the NutriTech food intake study consumed increasing amounts of chicken, from 88 to 290 g/d, in a 3-wk span...
August 9, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28794207/moderate-walking-enhances-the-effects-of-an-energy-restricted-diet-on-fat-mass-loss-and-serum-insulin-in-overweight-and-obese-adults-in-a-12-week-randomized-controlled-trial
#11
Bernadette Kleist, Ursel Wahrburg, Peter Stehle, Ralph Schomaker, Andreas Greiwing, Birgit Stoffel-Wagner, Sarah Egert
Background: Increased physical activity may be advantageous for weight loss.Objective: We investigated the effects of an energy-restricted diet with and without moderate walking on body weight, body composition, resting energy expenditure (REE), and endocrine and cardiometabolic risk variables in overweight and obese participants.Methods: A 12-wk, randomized, 2-arm, parallel, controlled, energy-restricted (500-800 kcal/d) dietary intervention study was conducted in 82 men and women [mean baseline characteristics: age, 39...
August 9, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28794206/lipid-based-nutrient-supplements-during-pregnancy-and-lactation-did-not-affect-human-milk-oligosaccharides-and-bioactive-proteins-in-a-randomized-trial
#12
Josh M Jorgensen, Charles Arnold, Per Ashorn, Ulla Ashorn, David Chaima, Yin Bun Cheung, Jasmine Cc Davis, Yue-Mei Fan, Elisha Goonatilleke, Emma Kortekangas, Chiza Kumwenda, Carlito B Lebrilla, Kenneth Maleta, Sarah M Totten, Lauren D Wu, Kathryn G Dewey
Background: Human milk oligosaccharides (HMOs) and bioactive proteins are beneficial to infant health. Recent evidence suggests that maternal nutrition may affect the amount of HMOs and proteins in breast milk; however, the effect of nutrient supplementation on HMOs and bioactive proteins has not yet been well studied.Objective: We aimed to determine whether lipid-based nutrient supplements (LNSs) affect milk bioactive protein and HMO concentrations at 6 mo postpartum in women in rural Malawi. These are secondary outcomes of a previously published randomized controlled trial...
August 9, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28794205/the-human-serum-metabolome-of-vitamin-b-12-deficiency-and-repletion-and-associations-with-neurological-function-in-elderly-adults
#13
Alex Brito, Dmitry Grapov, Johannes Fahrmann, Danielle Harvey, Ralph Green, Joshua W Miller, Sergey N Fedosov, Setareh Shahab-Ferdows, Daniela Hampel, Theresa L Pedersen, Oliver Fiehn, John W Newman, Ricardo Uauy, Lindsay H Allen
Background: The specific metabolomic perturbations that occur in vitamin B-12 deficiency, and their associations with neurological function, are not well characterized.Objective: We sought to characterize the human serum metabolome in subclinical vitamin B-12 deficiency and repletion.Methods: A before-and-after treatment study provided 1 injection of 10 mg vitamin B-12 (with 100 mg pyridoxine and 100 mg thiamin) to 27 community-dwelling elderly Chileans (∼74 y old) with vitamin B-12 deficiency, as evaluated with serum vitamin B-12, total plasma homocysteine (tHcy), methylmalonic acid (MMA), and holotranscobalamin...
August 9, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28768839/serum-soluble-transferrin-receptor-concentrations-are-elevated-in-congolese-children-with-glucose-6-phosphate-dehydrogenase-variants-but-not-sickle-cell-variants-or-%C3%AE-thalassemia
#14
Mikaela K Barker, Amanda M Henderson, Karimah Naguib, Suzanne M Vercauteren, Angela M Devlin, Arianne Y Albert, Esto Bahizire, Pierrot L Tugirimana, Pierre Z Akilimali, Erick Boy, Tim J Green, Crystal D Karakochuk
Background: Anemia is common in Congolese children, and inherited blood disorders may be a contributing cause. The presence of sickle cell variants, X-linked glucose-6-phosphate dehydrogenase (G6PD) deficiency and α-thalassemia, has been previously reported. G6PD A- deficiency is characterized by the co-inheritance of G6PD 376 and 202 variants and is common in sub-Saharan Africa.Objective: We aimed to measure the associations between inherited blood disorders and hemoglobin, ferritin, and soluble transferrin receptor (sTfR) concentrations in Congolese children...
August 2, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28768838/perinatal-brain-docosahexaenoic-acid-concentration-has-a-lasting-impact-on-cognition-in-mice
#15
Luis E Lozada, Abhishek Desai, Karl Kevala, Ji-Won Lee, Hee-Yong Kim
Background: Premature infants are deprived of prenatal accumulation of brain docosahexaenoic acid [DHA (22:6n-3)], an omega-3 fatty acid [ω-3 FA (n-3 FA)] important for proper development of cognitive function. The resulting brain DHA deficit can be reversed by ω-3 FA supplementation.Objective: The objective was to test whether there is a critical period for providing ω-3 FA to correct cognitive deficits caused by developmental ω-3 FA deprivation in mice.Methods: Twelve timed-pregnant mice [embryonic day 14 (E14), C57/BL6NCr] were fed an ω-3 FA-deficient diet containing 0...
August 2, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28768837/vitamin-d-in-the-spectrum-of-prediabetes-and-cardiovascular-autonomic-dysfunction
#16
REVIEW
Rumyana Dimova, Tsvetalina Tankova, Nevena Chakarova
Vitamin D is a fat-soluble secosteroid hormone with pleiotropic effects. 1,25-Dihydroxyvitamin D coordinates the biosynthesis of neurotransmitters in the central nervous system, which regulate cardiovascular autonomic function and may explain its putative role in the development of cardiovascular autonomic neuropathy (CAN). CAN is an independent risk factor for mortality in patients with diabetes and prediabetes and is associated with an increased risk of developing type 2 diabetes and cardiovascular disease...
August 2, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28768836/s-equol-activates-camp-signaling-at-the-plasma-membrane-of-ins-1-pancreatic-%C3%AE-cells-and-protects-against-streptozotocin-induced-hyperglycemia-by-increasing-%C3%AE-cell-function-in-male-mice
#17
Hiroko Horiuchi, Atsuko Usami, Rie Shirai, Naoki Harada, Shinichi Ikushiro, Toshiyuki Sakaki, Yoshihisa Nakano, Hiroshi Inui, Ryoichi Yamaji
Background:S-equol, which is enantioselectively produced from daidzein by gut microbiota, has been suggested as a chemopreventive agent against type 2 diabetes mellitus (T2DM), but the underlying mechanisms remain unclear.Objective: We investigated the effects of S-equol on pancreatic β-cell function.Methods: β-Cell growth and insulin secretion were evaluated with male Institute of Cancer Research mice and isolated pancreatic islets from the mice, respectively. The mechanisms by which S-equol stimulated β-cell response were examined in INS-1 β-cells...
August 2, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28768835/associations-of-dairy-intake-with-incident-prediabetes-or-diabetes-in-middle-aged-adults-vary-by-both-dairy-type-and-glycemic-status
#18
Adela Hruby, Jiantao Ma, Gail Rogers, James B Meigs, Paul F Jacques
Background: Inconsistent evidence describes the association between dietary intake of dairy and milk-based products and type 2 diabetes (T2D) risk.Objective: Our objective was to assess associations between consumption of milk-based products, incident prediabetes, and progression to T2D in the Framingham Heart Study Offspring Cohort.Methods: Total dairy and milk-based product consumption was assessed by ≤4 food-frequency questionnaires across a mean of 12 y of follow-up in 2809 participants [mean ± SD age: 54...
August 2, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28768834/placentome-nutrient-transporters-and-mammalian-target-of-rapamycin-signaling-proteins-are-altered-by-the-methionine-supply-during-late-gestation-in-dairy-cows-and-are-associated-with-newborn-birth-weight
#19
Fernanda Batistel, Abdulrahman Sm Alharthi, Ling Wang, Claudia Parys, Yuan-Xiang Pan, Felipe C Cardoso, Juan J Loor
Background: To our knowledge, most research demonstrating a link between maternal nutrition and both fetal growth and offspring development after birth has been performed with nonruminants. Whether such relationships exist in large ruminants is largely unknown.Objective: We aimed to investigate whether increasing the methionine supply during late pregnancy would alter uteroplacental tissue nutrient transporters and mammalian target of rapamycin (mTOR) and their relation with newborn body weight.Methods: Multiparous Holstein cows were used in a randomized complete block design experiment...
August 2, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28768833/leucine-induced-upregulation-of-top-mrna-translation-in-skeletal-muscle-just-the-tip-of-the-iceberg
#20
Scot R Kimball
No abstract text is available yet for this article.
August 2, 2017: Journal of Nutrition
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