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Nutrition & Metabolism

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https://www.readbyqxmd.com/read/28293271/a-mouse-model-of-vitamin-d-insufficiency-is-there-a-relationship-between-25-oh-vitamin-d-levels-and-obesity
#1
Kenneth L Seldeen, Manhui Pang, Maria Rodríguez-Gonzalez, Mireya Hernandez, Zachary Sheridan, Ping Yu, Bruce R Troen
BACKGROUND: Vitamin D insufficiency (serum 25-OH vitamin D > 10 ng/ml and < 30 ng/ml) is prevalent in the obese (body mass index (BMI) > 30 kg/m(2)), yet relationships between the two are poorly understood. Objectives of this study include identification of the impact of obesity on reducing serum 25-OH vitamin D concentration, particularly in response to altered vitamin D3 supplementation, and to elucidate the longitudinal impact of serum 25-OH vitamin D on body mass index...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28286536/associations-among-osteocalcin-leptin-and-metabolic-health-in-children-ages-9-13-years-in-the-united-states
#2
Kelly Virecoulon Giudici, Joseph M Kindler, Berdine R Martin, Emma M Laing, George P McCabe, Linda D McCabe, Dorothy B Hausman, Lígia Araújo Martini, Richard D Lewis, Connie M Weaver, Munro Peacock, Kathleen M Hill Gallant
BACKGROUND: This study aimed to investigate the relationships among osteocalcin, leptin and metabolic health outcomes in children ages 9-13 years. METHODS: This was a cross-sectional analysis of baseline data from 161 boys and 157 girls (ages 9-13 years) who previously participated in a double-blinded randomized placebo controlled trial of vitamin D supplementation. Relationships among fasting serum total osteocalcin (tOC), undercarboxylated osteocalcin (ucOC), leptin, and metabolic health outcomes were analyzed...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28270856/resistance-training-to-improve-type-2-diabetes-working-toward-a-prescription-for-the-future
#3
REVIEW
Dominik H Pesta, Renata L S Goncalves, Anila K Madiraju, Barbara Strasser, Lauren M Sparks
The prevalence of type 2 diabetes (T2D) is rapidly increasing, and effective strategies to manage and prevent this disease are urgently needed. Resistance training (RT) promotes health benefits through increased skeletal muscle mass and qualitative adaptations, such as enhanced glucose transport and mitochondrial oxidative capacity. In particular, mitochondrial adaptations triggered by RT provide evidence for this type of exercise as a feasible lifestyle recommendation to combat T2D, a disease typically characterized by altered muscle mitochondrial function...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28261317/potential-therapeutic-targets-of-guggulsterone-in-cancer
#4
REVIEW
Ajaz A Bhat, Kirti S Prabhu, Shilpa Kuttikrishnan, Roopesh Krishnankutty, Jayaprakash Babu, Ramzi M Mohammad, Shahab Uddin
Natural compounds capable of inducing apoptosis in cancer cells have always been of considerable interest as potential anti-cancer agents. Many such compounds are under screening and development with their potential evolution as a clinical drug benefiting many of the cancer patients. Guggulsterone (GS), a phytosterol isolated gum resin of the tree Commiphora mukul has been widely used in Indian traditional medicine as a remedy for various diseses. GS has been shown to possess cancer chemopreventive and therapeutic potential as established by in vitro and in vivo studies...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28261316/defective-lipid-metabolism-associated-with-mutation-in-klf-2-and-klf-3-important-roles-of-essential-dietary-salts-in-fat-storage
#5
Jun Ling, Christopher Brey, Megan Schilling, Farah Lateef, Zenaida P Lopez-Dee, Kristopher Fernandes, Kavita Thiruchelvam, Yi Wang, Kshitij Chandel, Kai Rau, Ranjit Parhar, Futwan Al-Mohanna, Randy Gaugler, Sarwar Hashmi
BACKGROUND: Dietary salts are important factors in metabolic disorders. They are vital components of enzymes, vitamins, hormones, and signal transduction that act synergistically to regulate lipid metabolism. Our previous studies have identified that Krüppel-like factor -3 (KLF-3) is an essential regulator of lipid metabolism. However, it is not known if KLF-2 also regulates lipid metabolism and whether KLF-2 and -3 mediate the effects of dietary salts on lipid metabolism. METHODS: In this study, we used klf mutants [homozygous klf-2 (ok1043) V and klf-3 (ok1975) II mutants] to investigate the role of dietary salts in lipid metabolism...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28261315/case-control-study-of-metabolic-syndrome-and-ovarian-cancer-in-chinese-population
#6
Ying Chen, Lei Zhang, Wenxin Liu, Ke Wang
BACKGROUND: Recent studies have proved metabolic syndrome (MetS) was linked to cancer risks. However, few data has examined the relationship between MetS and epithelial ovarian cancer (EOC). METHODS: We conducted a population-based case-control study in Tianjin Medical University Cancer Institute and Hospital, China (2010-2015) that enrolled 573 EOC patients and 1146 matched controls. Data were collected through in-person interviews, anthropometric measurement, and 8-h fasting bloods drawn...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28261314/maternal-high-fat-diet-intensifies-the-metabolic-response-to-stress-in-male-rat-offspring
#7
Roxana Karbaschi, Homeira Zardooz, Fariba Khodagholi, Leila Dargahi, Mina Salimi, FatemehSadat Rashidi
BACKGROUND: The mother's consumption of high-fat food can affect glucose metabolism and the hypothalamic-pituitary-adrenal axis responsiveness in the offspring and potentially affect the metabolic responses to stress as well. This study examines the effect of maternal high-fat diet on the expression of pancreatic glucose transporter 2 and the secretion of insulin in response to stress in offspring. METHODS: Female rats were randomly divided into normal and high-fat diet groups and were fed in accordance with their given diets from pre-pregnancy to the end of lactation...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28250801/press-pulse-a-novel-therapeutic-strategy-for-the-metabolic-management-of-cancer
#8
Thomas N Seyfried, George Yu, Joseph C Maroon, Dominic P D'Agostino
BACKGROUND: A shift from respiration to fermentation is a common metabolic hallmark of cancer cells. As a result, glucose and glutamine become the prime fuels for driving the dysregulated growth of tumors. The simultaneous occurrence of "Press-Pulse" disturbances was considered the mechanism responsible for reduction of organic populations during prior evolutionary epochs. Press disturbances produce chronic stress, while pulse disturbances produce acute stress on populations. It was only when both disturbances coincide that population reduction occurred...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28239405/long-term-intake-of-saccharin-decreases-post-absortive-energy-expenditure-at-rest-and-is-associated-to-greater-weight-gain-relative-to-sucrose-in-wistar-rats
#9
Denise Entrudo Pinto, Kelly Carraro Foletto, Ramiro Barcos Nunes, Pedro Dal Lago, Marcello Casaccia Bertoluci
BACKGROUND: Non-nutritive sweeteners (NNS) have been associated with increased prevalence of obesity. In previous studies, we demonstrated that saccharin could induce an increase in weight gain either when compared to sucrose or to a non-sweetened control at a similar total caloric intake. These data raised the hypothesis that reduced energy expenditure (EE) could be a potential mechanism explaining greater weight gain with saccharin use in rats. The aim of the present study was to compare long-term energy expenditure at rest between rats using saccharin or sucrose and correlate it with weight gain...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28239404/impact-of-a-6-week-non-energy-restricted-ketogenic-diet-on-physical-fitness-body-composition-and-biochemical-parameters-in-healthy-adults
#10
Paul Urbain, Lena Strom, Lena Morawski, Anja Wehrle, Peter Deibert, Hartmut Bertz
BACKGROUND: The ketogenic diet (KD) is a very low-carbohydrate, high-fat and adequate-protein diet that without limiting calories induces different metabolic adaptations, eg, increased levels of circulating ketone bodies and a shift to lipid metabolism. Our objective was to assess the impact of a 6-week non-energy-restricted KD in healthy adults beyond cohorts of athletes on physical performance, body composition, and blood parameters. METHODS: Our single arm, before-and-after comparison study consisted of a 6-week KD with a previous preparation period including detailed instructions during classes and individual counselling by a dietitian...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28239403/lipid-overload-during-gestation-and-lactation-can-independently-alter-lipid-homeostasis-in-offspring-and-promote-metabolic-impairment-after-new-challenge-to-high-fat-diet
#11
Laís Angélica de Paula Simino, Thaís de Fante, Marina Figueiredo Fontana, Fernanda Oliveira Borges, Márcio Alberto Torsoni, Marciane Milanski, Lício Augusto Velloso, Adriana Souza Torsoni
BACKGROUND: Nutritional status in early life is critically involved in the metabolic phenotype of offspring. However the changes triggered by maternal consumption of high-fat diet (HFD) in pre- or postnatal period should be better understood. Here we evaluated whether maternal HFD consumption during gestation and lactation could differently affect liver miR-122 and miR-370 expression leading to metabolic damages observed in offspring. Moreover, we investigate whether early overnutrition program offspring to more harmful response to HFD in later life...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28239402/high-cholesterol-diet-does-not-alter-gut-microbiota-composition-in-mice
#12
Lidiya G Dimova, Nikola Zlatkov, Henkjan J Verkade, Bernt Eric Uhlin, Uwe J F Tietge
INTRODUCTION: Western diet containing both saturated fat and cholesterol impairs cardio-metabolic health partly by modulating diversity and function of the microbiota. While diet containing only high fat has comparable effects, it is unclear how diets only enriched in cholesterol impact the microbiota. Therefore, we aimed to characterize the response of host and microbiota to a high cholesterol (HC) diet in mice susceptible to cardio-metabolic disease. METHODS: LDLR knockout mice received either 1...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28228829/hepatic-iron-storage-is-related-to-body-adiposity-and-hepatic-inflammation
#13
Chan Yoon Park, Jayong Chung, Kyung-Ok Koo, Min Soo Kim, Sung Nim Han
BACKGROUND: Obesity has been reported to be associated with iron deficiency. However, few studies have investigated iron status in low adiposity. To investigate whether body adiposity was associated with altered hepatic iron status, we compared liver iron levels and markers involved in inflammation and iron absorption in obese, control, and mildly calorie restricted mice. METHODS: Seven week old C57BL/6 mice were fed control (10% kcal fat, Control) or high fat (60% kcal fat, HFD) diets, or reduced amount of control diet to achieve 15% calorie restriction (CR) for 16 weeks...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28191026/supplementation-with-dairy-calcium-and-or-flaxseed-fibers-in-conjunction-with-orlistat-augments-fecal-fat-excretion-without-altering-ratings-of-gastrointestinal-comfort
#14
Mette Kristensen, Signe Rømer Juul, Karina Vejrum Sørensen, Janne Kunchel Lorenzen, Arne Astrup
BACKGROUND: Orlistat is a lipase inhibitor which reduced absorption of dietary fat by ~30% thereby inducing a weight loss; however, side effects occur as a consequence of increased colonic fat content. To test the hypothesis that most gastrointestinal side events induced by treatment with orlistat could be prevented/ameliorated by concomitant use of natural dietary components, flaxseed fiber (FF) and/or dairy calcium (Ca), binding liquid fats to more solid complexes. METHODS: A randomized controlled dietary intervention study...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28184235/phosphatidic-acid-biosynthesis-pharmacokinetics-mechanisms-of-action-and-effect-on-strength-and-body-composition-in-resistance-trained-individuals
#15
REVIEW
Peter Bond
The mechanistic target of rapamycin complex 1 (mTORC1) has received much attention in the field of exercise physiology as a master regulator of skeletal muscle hypertrophy. The multiprotein complex is regulated by various signals such as growth factors, energy status, amino acids and mechanical stimuli. Importantly, the glycerophospholipid phosphatidic acid (PA) appears to play an important role in mTORC1 activation by mechanical stimulation. PA has been shown to modulate mTOR activity by direct binding to its FKBP12-rapamycin binding domain...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28163748/weight-loss-technology-for-people-with-treated-type-2-diabetes-a-randomized-controlled-trial
#16
Kuat Oshakbayev, Bibazhar Dukenbayeva, Gulnar Togizbayeva, Aigul Durmanova, Meruyert Gazaliyeva, Abdul Sabir, Aliya Issa, Alisher Idrisov
BACKGROUND: The prevalence of type 2 diabetes is increasing in worldwide despite the development of new treatment methods. Aim of the study was to evaluate a weight loss method on body composition, glycemic, lipid and hormone profiles, blood pressure and reactive oxygen species in people with treated type 2 diabetes. METHODS: A 24-week open, prospective, randomized, controlled clinical trial including 272 adult patients with treated type 2 diabetes was performed...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28127382/dietary-supplementation-with-bovine-derived-milk-fat-globule-membrane-lipids-promotes-neuromuscular-development-in-growing-rats
#17
James F Markworth, Brenan Durainayagam, Vandre C Figueiredo, Karen Liu, Jian Guan, Alastair K H MacGibbon, Bertram Y Fong, Aaron C Fanning, Angela Rowan, Paul McJarrow, David Cameron-Smith
BACKGROUND: The milk fat globule membrane (MFGM) is primarily composed of polar phospho- and sphingolipids, which have established biological effects on neuroplasticity. The present study aimed to investigate the effect of dietary MFGM supplementation on the neuromuscular system during post-natal development. METHODS: Growing rats received dietary supplementation with bovine-derived MFGM mixtures consisting of complex milk lipids (CML), beta serum concentrate (BSC) or a complex milk lipid concentrate (CMLc) (which lacks MFGM proteins) from post-natal day 10 to day 70...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28115978/high-fat-diet-modifies-the-association-of-lipoprotein-lipase-gene-polymorphism-with-high-density-lipoprotein-cholesterol-in-an-asian-indian-population
#18
K A Ayyappa, I Shatwan, D Bodhini, L R Bramwell, K Ramya, V Sudha, R M Anjana, J A Lovegrove, V Mohan, V Radha, K S Vimaleswaran
BACKGROUND: Single nucleotide polymorphisms (SNPs) in lipoprotein lipase gene (LPL) have been shown to influence metabolism related to lipid phenotypes. Dietary factors have been shown to modify the association between LPL SNPs and lipids; however, to date, there are no studies in South Asians. Hence, we tested for the association of four common LPL SNPs with plasma lipids and examined the interactions between the SNPs and dietary factors on lipids in 1,845 Asian Indians. METHODS: The analysis was performed in 788 Type 2 diabetes cases and 1,057 controls randomly chosen from the cross-sectional Chennai Urban Rural Epidemiological Study...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28115977/efficacy-of-a-novel-formulation-of-l-carnitine-creatine-and-leucine-on-lean-body-mass-and-functional-muscle-strength-in-healthy-older-adults-a-randomized-double-blind-placebo-controlled-study
#19
Malkanthi Evans, Najla Guthrie, John Pezzullo, Toran Sanli, Roger A Fielding, Aouatef Bellamine
BACKGROUND: Progressive decline in skeletal muscle mass and function are growing concerns in an aging population. Diet and physical activity are important for muscle maintenance but these requirements are not always met. This highlights the potential for nutritional supplementation. As a primary objective, we sought to assess the effect of a novel combination of L-Carnitine, creatine and leucine on muscle mass and performance in older subjects. METHOD: Forty-two healthy older adults aged 55-70 years were randomized to receive either a novel L-Carnitine (1500 mg), L-leucine (2000 mg), creatine (3000 mg), Vitamin D3 (10 μg) (L-Carnitine-combination) product (n = 14), L-Carnitine (1500 mg) (n = 14), or a placebo (n = 14) for eight weeks...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28101124/reduced-up-regulation-of-the-nitric-oxide-pathway-and-impaired-endothelial-and-smooth-muscle-functions-in-the-female-type-2-diabetic-goto-kakizaki-rat-heart
#20
Martine Desrois, Carole Lan, Jamileh Movassat, Monique Bernard
BACKGROUND: Type 2 diabetes is associated with greater relative risk of cardiovascular diseases in women than in men, which is not well understood. Consequently, we have investigated if male and female displayed differences in cardiac function, energy metabolism, and endothelial function which could contribute to increased cardiovascular complications in type 2 diabetic female. METHODS: Male and female Control and type 2 diabetic Goto-Kakizaki (GK) isolated rat hearts were perfused during 28 min with a physiological buffer before freeze-clamping for biochemical assays...
2017: Nutrition & Metabolism
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