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dietary leptin

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https://www.readbyqxmd.com/read/28092346/differential-hypothalamic-leptin-sensitivity-in-obese-rat-offspring-exposed-to-maternal-and-postnatal-intake-of-chocolate-and-soft-drink
#1
M Kjaergaard, C Nilsson, A Secher, J Kildegaard, T Skovgaard, M O Nielsen, K Grove, K Raun
BACKGROUND/OBJECTIVE: Intake of high-energy foods and maternal nutrient overload increases the risk of metabolic diseases in the progeny such as obesity and diabetes. We hypothesized that maternal and postnatal intake of chocolate and soft drink will affect leptin sensitivity and hypothalamic astrocyte morphology in adult rat offspring. METHODS: Pregnant Sprague-Dawley rats were fed ad libitum chow diet only (C) or with chocolate and high sucrose soft drink supplement (S)...
January 16, 2017: Nutrition & Diabetes
https://www.readbyqxmd.com/read/28086768/probiotic-mixture-improves-fatty-liver-disease-by-virtue-of-its-action-on-lipid-profiles-leptin-and-inflammatory-biomarkers
#2
Hessah Mohammed Al-Muzafar, Kamal Adel Amin
BACKGROUND: A high fat diet has an essential role in the pathogenesis of non-alcoholic fatty liver disease (NAFLD). This condition is characterized by hepatic fat accumulation (steatosis) and is associated with obesity, diabetes, and fibrosis or cirrhosis of the liver. Probiotics may be useful in the treatment of steatosis. This study examined the effects of an ingested probiotic formulation on the lipid profiles, liver functions, leptin levels, and inflammatory marker levels of rats with NAFLD that had been induced via high fat and sucrose diet (HFSD)...
January 13, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28051940/a-maternal-low-fiber-diet-predisposes-offspring-to-improved-metabolic-phenotypes-in-adulthood-in-an-herbivorous-rodent
#3
Xue-Ying Zhang, Mei-Fang Lou, Wei Shen, Rong-Shu Fu, De-Hua Wang
The maternal or paternal dietary composition can have important effects on various aspects of their offspring's physiology. Studies from animal models and humans showed that a maternal high-fiber diet protected offspring against fat accumulation. However, little is known about how a maternal low-fiber diet modifies the metabolism of offspring in herbivorous rodents. We hypothesized that a maternal low-fiber diet would confer long-lasting beneficial effects on offspring metabolic phenotypes in herbivorous Brandt's vole (Lasiopodomys brandtii)...
January 2017: Physiological and Biochemical Zoology: PBZ
https://www.readbyqxmd.com/read/28043377/short-term-supplementation-with-maize-increases-ovulation-rate-in-goats-when-dietary-metabolizable-energy-provides-requirements-for-both-maintenance-and-1-5-times-maintenance
#4
Daniel M Nogueira, Ahmad Eshtaeba, John Cavalieri, Lee A Fitzpatrick, Bruce Gummow, Dominique Blache, Anthony J Parker
This study aimed to evaluate ovarian follicular dynamics in goats submitted to synchronization of estrus and supplemented with diets that differed in the metabolizable energy source and amount of energy. The experiment was carried out using 42 does allocated into three treatments, fed for 9 days with a ration providing 1.0 times maintenance containing maize (1 MM, n = 14) or without maize (1 M, n = 14) or a ration providing 1.5 times maintenance containing maize (1.5 MM, n = 14). Estrus was synchronized with two injections of cloprostenol given 7 days apart...
February 2017: Theriogenology
https://www.readbyqxmd.com/read/28028397/vitamin-d-status-insulin-resistance-leptin-to-adiponectin-ratio-in-adolescents-results-of-a-1-year-lifestyle-intervention
#5
Christine Rambhojan, Laurent Larifla, Josiane Clepier, Elodie Bouaziz-Amar, Fritz-Line Velayoudom-Cephise, Anne Blanchet-Deverly, Christophe Armand, Jean Plumasseau, Jean-Marc Lacorte, Lydia Foucan
AIM: We aimed to study the relationships between circulating 25-hydroxyvitamin D [25(OH)D], insulin resistance and leptin-to-adiponectin (L/A) ratio in Guadeloupean children and adolescents and to analyse the changes in 25(OH)D levels after a 1-year lifestyle intervention program. METHODS: 25(OH)D concentrations were measured via a chemiluminescence assay. Cardiometabolic risk factors, homoeostasis model assessment of insulin resistance (HOMA-IR), and adipokines were measured...
December 15, 2016: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28005145/-nutrition-and-mental-diseases-focus-depressive-disorders
#6
L Libuda, J Antel, J Hebebrand, M Föcker
Dietary interventions are currently being discussed as additional treatment options for mental disorders. The pathological mechanisms are not yet fully understood. It is hypothesized that certain nutrients and dietary pattern influence immune and inflammatory processes, the microbiome, the leptin-melanocortinergic axis and hypothalamic-pituitary axis, as well as neurotransmitters of the cholinergic, noradrenergic, dopaminergic and serotonergic signaling cascades and neurotrophins. Observational studies have shown that traditional dietary patterns, such as the Mediterranean diet have a protective effect on mental health...
December 22, 2016: Der Nervenarzt
https://www.readbyqxmd.com/read/28000693/consumption-of-a-high-fat-breakfast-on-consecutive-days-alters-preclinical-biomarkers-for-atherosclerosis
#7
B K McFarlin, K C Carpenter, A L Henning, A S Venable
BACKGROUND/OBJECTIVES: Recent research has speculated that the risk of developing atherosclerosis is due to the accumulation of the effects of daily diet choices. The purpose of this study was to examine which of our previously identified preclinical disease risk biomarkers were further elevated when consuming a high-fat (644±50 kcal; 100% recommended dietary allowance for fat), high-calorie (1118±100 kcal; 70% daily caloric needs) breakfast on consecutive days. Young, normal weight females (N=7) participated in this study...
December 21, 2016: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/27974312/dietary-patterns-and-cardiometabolic-and-endocrine-plasma-biomarkers-in-us-women
#8
Hala B AlEssa, Vasanti S Malik, Changzheng Yuan, Walter C Willett, Tianyi Huang, Frank B Hu, Deirdre K Tobias
BACKGROUND: Healthful dietary patterns have been associated with lower risks of type 2 diabetes and coronary artery disease, but their relations with intermediate markers of cardiometabolic and endocrine health are less established. OBJECTIVE: We evaluated the Dietary Approaches to Stop Hypertension (DASH), the alternate Mediterranean diet (aMED), and the Alternate Healthy Eating Index (aHEI) diet-quality scores with cardiometabolic and endocrine plasma biomarkers in US women...
December 14, 2016: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/27967268/association-between-energy-balance-and-metabolic-hormone-suppression-during-ultra-endurance-exercise
#9
Bjoern Geesmann, Jenna C Gibbs, Joachim Mester, Karsten Koehler
Ultra-endurance athletes often accumulate an energy deficit when engaging in ultra-endurance exercise, and upon completion of the exercise, they exhibit endocrine changes that are reminiscent of starvation. However, it remains unclear whether these endocrine changes are a result of the exercise per se or secondary to the energy deficit, and more importantly, whether these changes can be attenuated by increased dietary intake. Our goal was to assess the relationship between changes in key metabolic hormones following ultra-endurance exercise and measures of energy balance...
December 14, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27941793/fasting-selectively-blocks-development-of-acute-lymphoblastic-leukemia-via-leptin-receptor-upregulation
#10
Zhigang Lu, Jingjing Xie, Guojin Wu, Jinhui Shen, Robert Collins, Weina Chen, Xunlei Kang, Min Luo, Yizhou Zou, Lily Jun-Shen Huang, James F Amatruda, Tamra Slone, Naomi Winick, Philipp E Scherer, Cheng Cheng Zhang
New therapeutic approaches are needed to treat leukemia effectively. Dietary restriction regimens, including fasting, have been considered for the prevention and treatment of certain solid tumor types. However, whether and how dietary restriction affects hematopoietic malignancies is unknown. Here we report that fasting alone robustly inhibits the initiation and reverses the leukemic progression of both B cell and T cell acute lymphoblastic leukemia (B-ALL and T-ALL, respectively), but not acute myeloid leukemia (AML), in mouse models of these tumors...
January 2017: Nature Medicine
https://www.readbyqxmd.com/read/27932989/hypoxic-living-and-exercise-training-alter-adipose-tissue-leptin-leptin-receptor-in-rats
#11
Yingli Lu, Lianshi Feng, Minhao Xie, Li Zhang, Jianfang Xu, Zihong He, Tongjian You
Background: Hypobaric hypoxia results in weight loss in obese individuals, and exercise training is advocated for the treatment of obesity and its related metabolic dysfunctions. The purpose of this study was to investigate the effects of hypoxic living and exercise training on obesity and adipose tissue leptin/leptin receptor in dietary-induced obese rats. Methods: One hundred and thirty high-fat diet fed Sprague-Dawley rats were assigned into one of the following groups (n = 10 each): control, sedentary hypoxic living for 1-4 weeks (SH1, SH2, SH3, and SH4), living, and exercise training in normoxic conditions for 1-4 weeks (TN1, TN2, TN3, and TN4), and living and exercise training in hypoxic conditions for 1-4 weeks (TN1, TN2, TN3, and TN4)...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27920819/co-administration-of-metformin-and-n-acetylcysteine-with-dietary-control-improves-the-biochemical-and-histological-manifestations-in-rats-with-non-alcoholic-fatty-liver
#12
Naglaa Mohamed El-Lakkany, Sayed Hassan Seif El-Din, Abdel-Nasser Abdel-Aal Sabra, Olfat Ali Hammam, Fatma Abdel-Latif Ebeid
Non-alcoholic fatty liver disease (NAFLD) is a burgeoning health problem that affects 1/3 of the adult population and an increasing number of children in developed countries. Oxidative stress and insulin resistance are the mechanisms that seem to be mostly involved in its pathogenesis. This study was conceived in a NAFLD rat model to evaluate the efficacy of both metformin (MTF) and N-acetylcysteine (NAC) with dietary control on biochemical and histologic liver manifestations. Rats were classified into nine groups; normal (I), NAFLD-induced by feeding high-fat diet (HFD; II) for 12 weeks, NAFLD switched to regular diet (RD; III), NAFLD-HFD or -RD treated with MTF in a dose of 150 mg/kg (IV, V), NAC in a dose of 500 mg/kg (VI, VII) or MTF+NAC (VIII, IX) respectively for 8 weeks...
October 2016: Research in Pharmaceutical Sciences
https://www.readbyqxmd.com/read/27905210/erythrocyte-fatty-acid-composition-does-not-influence-levels-of-free-bioavailable-and-total-25-hydroxy-vitamin-d
#13
Martin Carlsson, Ingela Nilsson, Lars Brudin, Siv-Ping Von, Pär Wanby
In vitro, mono- and polyunsaturated fatty acids (FAs) may decrease the binding affinity of vitamin D metabolites for vitamin D-binding protein, which in turn may influence their bioavailability. FAs incorporated as phospholipids in erythrocyte (ery-) cell membranes reflect dietary intake. The purpose of this study was to investigate ery-FA composition in relation to markers for vitamin D. In healthy females (age 22.6 ± 2.0 years) total 25(OH)D was measured by LC-MS/MS (n = 78), free 25(OH)D with ELISA (n = 64 of 78), and bioavailable 25(OH)D was calculated...
February 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/27903840/evaluation-of-antioxidant-intakes-in-relation-to-inflammatory-markers-expression-within-the-normal-breast-tissue-of-breast-cancer-patients
#14
Danielle Larouche, Mirette Hanna, Sue-Ling Chang, Simon Jacob, Bernard Têtu, Caroline Diorio
Chronic inflammation may be a causative factor in breast cancer. One possible underlying mechanism is the generation of oxidative stress, which may favor tumorigenic processes. Antioxidant consumption may, therefore, help reduce tissue inflammation levels. However, few studies have explored this relation in breast tissue. We aimed to evaluate correlations between antioxidant (vitamin A/retinol, vitamin C, vitamin E, β-carotene, α-carotene, lycopene, lutein/zeaxanthin, β-cryptoxanthin, selenium, and zinc) intakes and protein expression levels of interleukin (IL)-6, tumor necrosis factor-α, C-reactive protein, cyclooxygenase-2, leptin, serum amyloid A1, signal transducer and activator of transcription 3, IL-8, IL-10, lactoferrin, and transforming growth factor-β measured in the normal breast tissue of 160 women diagnosed with breast cancer...
November 30, 2016: Integrative Cancer Therapies
https://www.readbyqxmd.com/read/27899768/effects-of-dietary-restriction-on-adipose-mass-and-biomarkers-of-healthy-aging-in-human
#15
Daniele Lettieri-Barbato, Esmeralda Giovannetti, Katia Aquilano
In developing countries the rise of obesity and obesity-related metabolic disorders, such as cardiovascular diseases and type 2 diabetes, reflects the changes in lifestyle habits and wrong dietary choices. Dietary restriction (DR) regimens have been shown to extend health span and lifespan in many animal models including primates. Identifying biomarkers predictive of clinical benefits of treatment is one of the primary goals of precision medicine. To monitor the clinical outcomes of DR interventions in humans, several biomarkers are commonly adopted...
November 29, 2016: Aging
https://www.readbyqxmd.com/read/27894336/curcumin-and-long-chain-omega-3-polyunsaturated-fatty-acids-for-prevention-of-type-2-diabetes-cop-d-study-protocol-for-a-randomised-controlled-trial
#16
Rohith N Thota, Shamasunder H Acharya, Kylie A Abbott, Manohar L Garg
BACKGROUND: Lifestyle interventions, including increase in physical activity and dietary counselling, have shown the ability to prevent type 2 diabetes (T2D) in high-risk state individuals, but the prevalence is still skyrocketing in Australia, in line with global prevalence. Currently, no medicines are approved by the Therapeutic Goods Administration in Australia for the management of prediabetes. Therefore, there is a need of developing a safer, biologically efficacious and cost-effective alternative for delaying the transition of individual health state from prediabetes into T2D...
November 29, 2016: Trials
https://www.readbyqxmd.com/read/27866192/dietary-genistein-rescues-reduced-basal-chloride-secretion-in-diabetic-jejunum-via-sex-dependent-mechanisms
#17
Shawn Catmull, Faisal Masood, Sydney Schacht, Robert Dolan, Daniel Stegman, Lana Leung, Layla Al-Nakkash
BACKGROUND/AIMS: The goal of this study was to determine the effect of dietary genistein (naturally occurring phytoestrogen) on jejunal secretory function in a clinically relevant model of diabetes and obesity, the leptin-defIcient ob/ob mouse. METHODS: We measured transepithelial short circuit current (Isc), across freshly isolated segments of jejunum from 12-week old male and female ob/ob and lean C57Bl/6J mice fed a genistein diet (600 mg genistein/kg diet) for 4-weeks...
2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27832201/role-of-hypothalamic-creb-binding-protein-in-obesity-and-molecular-reprogramming-of-metabolic-substrates
#18
Cesar L Moreno, Linda Yang, Penny A Dacks, Fumiko Isoda, Jan M A van Deursen, Charles V Mobbs
We have reported a correlation between hypothalamic expression of Creb-binding protein (Cbp) and lifespan, and that inhibition of Cbp prevents protective effects of dietary restriction during aging, suggesting that hypothalamic Cbp plays a role in responses to nutritional status and energy balance. Recent GWAS and network analyses have also implicated Cbp as the most connected gene in protein-protein interactions in human Type 2 diabetes. The present studies address mechanisms mediating the role of Cbp in diabetes by inhibiting hypothalamic Cbp using a Cre-lox strategy...
2016: PloS One
https://www.readbyqxmd.com/read/27827939/effects-of-di-2-ethylhexyl-phthalate-on-lipid-metabolism-by-the-jak-stat-pathway-in-rats
#19
Yiyang Jia, Te Liu, Liting Zhou, Jian Zhu, Juan Wu, Di Sun, Jin Xu, Qi Wang, Huaiji Chen, Feng Xu, Yuezhu Zhang, Tianrong Zhang, Hongbo Liu, Lin Ye
The most widely used plasticizer, di-(2-ethylhexyl) phthalate (DEHP), is known to affect lipid metabolism and adipogenesis. We studied the effects of dietary DEHP exposure on metabolism in rats as well as the role of the JAK/STAT pathway in this process. Eighty rats were exposed to DEHP (0, 5, 50 and 500 mg/kg/d) through dietary intake for 4 weeks. We then collected blood samples, liver, and adipose tissues to detect modifications in the levels of serum lipids, leptin, adiponectin and insulin. JAK3, STAT5a and PPARγ expression were detected at both the gene and protein levels...
November 4, 2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/27821167/fermented-rice-bran-supplementation-mitigates-metabolic-syndrome-in-stroke-prone-spontaneously-hypertensive-rats
#20
Md Alauddin, Hitoshi Shirakawa, Takuya Koseki, Naoko Kijima, Ardiansyah, Slamet Budijanto, Jahidul Islam, Tomoko Goto, Michio Komai
BACKGROUND: Previous study shown that enzyme treated-rice bran effectively improved hypertension and glucose intolerance in stroke-prone spontaneously hypertensive rat (SHRSP). However, dual fermentation of rice bran's efficacy against metabolic syndrome in SHRSP is still unknown. METHODS: Fermented rice bran (FRB) was prepared by dual fermentation of rice bran using fungi and lactic acid bacteria. The effect of FRB on metabolic syndrome in stroke-prone spontaneously hypertensive rats (SHRSP) was investigated by single and chronic supplementation...
November 8, 2016: BMC Complementary and Alternative Medicine
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