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https://www.readbyqxmd.com/read/28651373/sex-dependent-differences-in-liver-and-gut-metabolomic-profiles-with-acarbose-and-calorie-restriction-in-c57bl-6-mice
#1
Victoria K Gibbs, Rachel A Brewer, Nathan D Miyasaki, Amit Patki, Daniel L Smith
Acarbose, an alpha-glucosidase inhibitor used in treating type 2 diabetes, impairs complex carbohydrate digestion and absorption and extends lifespan in mice (without a requisite reduction in food intake). To assess sex-differential effects coincident with calorie restriction versus a non-restricted longevity enhancing intervention, we evaluated the metabolite profiles (by LC/MS) from livers and cecal contents of C57BL/6J mice (n=4/sex/group,) which were maintained for 10 months under one of three diet treatments: ad libitum control diet (CON), ad libitum control diet containing 0...
June 23, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28647503/exogenous-glucagon-like-peptide-1-reduces-body-weight-and-cholecystokinin-8-enhances-this-reduction-in-diet-induced-obese-male-rats
#2
Thaer R Mhalhal, Martha C Washington, Kayla Newman, John C Heath, Ayman I Sayegh
The sites of action regulating meal size (MS) and intermeal interval (IMI) length by glucagon like peptide-1 (7-36) (GLP-1 (7-36)) and cholecystokinin-8 (CCK-8) reside in the areas supplied by the two major branches of the abdominal aorta, celiac and cranial mesenteric arteries. We hypothesized that infusing GLP-1 near those sites reduces body weight (BW) and adding CCK-8 to this infusion enhances the reduction. Here, we measured BW in diet-induced obese (DIO) male rats maintained and tested on normal rat chow and infused with saline, GLP-1 (0...
June 21, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28639264/magnetic-resonance-spin-spin-relaxation-time-estimation-in-a-rat-model-of-fatty-liver-disease
#3
Sami Alghamdi, Benjamin Sinclair, Gary Cowin, Ian Brereton, Yasvir A Tesiram
PURPOSE: To compare mono- and bi-exponential relaxation model equations to discriminate between normal and fatty liver disease. MATERIALS AND METHODS: Six rats on a choline deficient amino acid modified (CDAA) diet and six on normal chow were studied. Multiple spin echo images with increasing echo times (TEs) were collected at 9.4T. Pixel-wise T2 maps were generated using mono-exponential decay function to calculate T2M , and a bi-exponential to calculate, short T2 component (T2S ), long T2 component (T2L ), and fractions of these components (ρS , ρL ), respectively...
June 22, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28630703/energy-requirements-for-growth-in-the-yorkshire-terrier
#4
Janet E Alexander, Alison Colyer, Penelope J Morris
The 2006 National Research Council (NRC) equation calculating puppy energy requirements does not account for reported breed differences in growth pattern. Energy requirements of toy breed puppies are unknown and it is unclear whether feeding guidelines should differ between breeds. Energy requirements of Yorkshire terrier (YT) puppies were observed over their first year of life and compared with those predicted by the NRC and those previously observed in large (Labrador retriever) and medium (miniature Schnauzer; MS) breed puppies...
2017: Journal of Nutritional Science
https://www.readbyqxmd.com/read/28629123/sensory-characteristics-and-volatile-components-of-dry-dog-foods-manufactured-with-sorghum-fractions
#5
Brizio Di Donfrancesco, Kadri Koppel
Descriptive sensory analysis and gas chromatography-mass spectrometry (GC-MS) with a modified headspace solid-phase microextraction (SPME) method was performed on three extruded dry dog food diets manufactured with different fractions of red sorghum and a control diet containing corn, brewer's rice, and wheat as a grain source in order to determine the effect of sorghum fractions on dry dog food sensory properties. The aroma compounds and flavor profiles of samples were similar with small differences, such as higher toasted aroma notes, and musty and dusty flavor in the mill-feed sample...
June 17, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28626141/dietary-starfish-oil-prevents-hepatic-steatosis-and-hyperlipidemia-in-c57bl-6n-mice-fed-high-fat-diet
#6
Fumiaki Beppu, Haoqi Li, Kazuaki Yoshinaga, Toshiharu Nagai, Akihiko Yoshinda, Atsushi Kubo, Jota Kanda, Naohiro Gotoh
Starfish oil (SO) is characterized by functional lipids, including n-3 polyunsaturated fatty acid (both in the form of triacylglycerol and in the form of phospholipid), and carotenoids, which may exert beneficial effects on metabolic disorders in obesity-associated diseases. In the present study, the effect of SO on dysregulation of lipid metabolism was examined using C57BL/6N mice treated with high-fat (HF) diet. Mice were fed HF, HF with 2% SO, or HF with 5% SO diet for 8 weeks. Weight gain, blood glucose, serum and hepatic lipid contents, and hepatic fatty acid composition were measured...
June 13, 2017: Journal of Oleo Science
https://www.readbyqxmd.com/read/28618655/eugenia-uniflora-fruit-red-type-standardized-extract-a-potential-pharmacological-tool-to-diet-induced-metabolic-syndrome-damage-management
#7
Pathise Souto Oliveira, Vitor Clasen Chaves, Natália Pontes Bona, Mayara Sandrielly Pereira Soares, Juliane de Souza Cardoso, Flávia Aleixo Vasconcellos, Rejane Giacomelli Tavares, Marcia Vizzotto, Luísa Mariano Cerqueira da Silva, Fabiane Borelli Grecco, Giovana Duzzo Gamaro, Roselia Maria Spanevello, Claiton Leoneti Lencina, Flávio Henrique Reginatto, Francieli Moro Stefanello
The aim of this study was to investigate the effect of Eugenia uniflora fruit (red type) extract on metabolic status, as well as on neurochemical and behavioral parameters in an animal model of metabolic syndrome induced by a highly palatable diet (HPD). Rats were treated for 150days and divided into 4 experimental groups: standard chow (SC) and water orally, SC and E. uniflora extract (200mg/kg daily, p.o), HPD and water orally, HPD and extract. Our data showed that HPD caused glucose intolerance, increased visceral fat, weight gain, as well as serum glucose, triacylglycerol, total cholesterol and LDL cholesterol; however, E...
August 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28617863/the-use-of-metabolic-profiling-to-identify-insulin-resistance-in-veal-calves
#8
Andre J Pantophlet, Han Roelofsen, Marcel P de Vries, Walter J J Gerrits, Joost J G C van den Borne, Roel J Vonk
Heavy veal calves (4-6 months old) are at risk of developing insulin resistance and disturbed glucose homeostasis. Prolonged insulin resistance could lead to metabolic disorders and impaired growth performance. Recently, we discovered that heavy Holstein-Friesian calves raised on a high-lactose or high-fat diet did not differ in insulin sensitivity, that insulin sensitivity was low and 50% of the calves could be considered insulin resistant. Understanding the patho-physiological mechanisms underlying insulin resistance and discovering biomarkers for early diagnosis would be useful for developing prevention strategies...
2017: PloS One
https://www.readbyqxmd.com/read/28615443/control-of-immune-mediated-pathology-via-the-aryl-hydrocarbon-receptor
#9
Michael A Wheeler, Veit Rothhammer, Francisco J Quintana
Genetic and environmental factors contribute to the development of immune-mediated diseases. While numerous genetic factors contributing to autoimmunity have been identified in recent years, our knowledge on environmental factors contributing to the pathogenesis of autoimmune diseases and the mechanisms involved is still limited. In this context, the diet, geographical location, environmental pollutants, as well as microbial metabolites have been shown to modulate autoimmune disease development. These environmental factors interact with cellular components of the immune system in distinct and defined ways and are capable of influencing immune responses at the transcriptional and protein level...
June 14, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28615381/yogurt-is-a-low-glycemic-index-food
#10
REVIEW
Thomas Ms Wolever
High yogurt intake is associated with a reduced risk of type 2 diabetes (T2DM). Although several mechanisms could explain this association, this paper addresses the glycemic and insulinemic impact of yogurt. There is evidence that low-glycemic index (GI) and low-glycemic load (GL) diets are associated with a reduced risk of T2DM. The 93 GI values for yogurt in the University of Sydney's GI database have a mean ± SD of 34 ± 13, and 92% of the yogurts are low-GI (≤55). The 43 plain yogurts in the database have a lower GI than the 50 sweetened yogurts, 27 ± 11 compared with 41 ± 11 (P < 0...
June 14, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28608728/dietary-factors-and-pediatric-multiple-sclerosis-a-case-control-study
#11
Julia Pakpoor, Brandon Seminatore, Jennifer S Graves, Teri Schreiner, Amy T Waldman, Timothy E Lotze, Anita Belman, Benjamin M Greenberg, Bianca Weinstock-Guttman, Gregory Aaen, Jan-Mendelt Tillema, Jamie C McDonald, Janace Hart, Jayne M Ness, Yolanda Harris, Jennifer Rubin, Meghan Candee, Lauren Krupp, Mark Gorman, Leslie Benson, Moses Rodriguez, Tanuja Chitnis, Soe Mar, Ilana Kahn, John Rose, Suzan L Carmichael, Shelly Roalstad, Michael Waltz, T Charles Casper, Emmanuelle Waubant
BACKGROUND: The role of diet in multiple sclerosis (MS) is largely uncharacterized, particularly as it pertains to pediatric-onset disease. OBJECTIVE: To determine the association between dietary factors and MS in children. METHODS: Pediatric MS patients and controls were recruited from 16 US centers (MS or clinically isolated syndrome onset before age 18, <4 years from symptom onset and at least 2 silent lesions on magnetic resonance imaging)...
June 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28606574/dietary-habits-concentration-of-copper-zinc-and-cu-to-zn-ratio-in-serum-and-ability-status-of-patients-with-relapsing-remitting-multiple-sclerosis
#12
Katarzyna Socha, Elżbieta Karpińska, Jan Kochanowicz, Jolanta Soroczyńska, Marta Jakoniuk, Marianna Wilkiel, Zenon D Mariak, Maria H Borawska
OBJECTIVE: Dietary habits and adequate intake of antioxidants in the diet-for example, copper (Cu) and zinc (Zn)-may be an environmental factor in the occurrence of multiple sclerosis (MS). The aim of this study was to estimate the influence of dietary habits on the concentration of Cu, Zn in the serum, and the effect of Cu-to-Zn ratio on the ability status of patients with relapsing-remitting MS. METHODS: This was an observational case-control study that included 101 individuals with MS and 68 healthy individuals (controls)...
July 2017: Nutrition
https://www.readbyqxmd.com/read/28605664/soy-compared-with-milk-protein-in-a-western-diet-changes-fecal-microbiota-and-decreases-hepatic-steatosis-in-obese-oletf-rats
#13
Matthew R Panasevich, Colin M Schuster, Kathryn E Phillips, Grace M Meers, Sree V Chintapalli, Umesh D Wankhade, Kartik Shankar, Dustie N Butteiger, Elaine S Krul, John P Thyfault, R Scott Rector
Soy protein is effective at preventing hepatic steatosis; however, the mechanisms are poorly understood. We tested the hypothesis that soy vs. dairy protein-based diet would alter microbiota and attenuate hepatic steatosis in hyperphagic Otsuka Long-Evans Tokushima fatty (OLETF) rats. Male OLETF rats were randomized to "Western" diets containing milk protein isolate (MPI), soy protein isolate (SPI) or 50:50 MPI/SPI (MS) (n=9-10/group; 21% kcal protein) for 16 weeks. SPI attenuated (P<.05) fat mass and percent fat by ~10% compared with MS, but not compared with MPI...
May 31, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28602685/isolation-and-characterization-of-antimicrobial-peptides-derived-from-bacillus-subtilis-e20-fermented-soybean-meal-and-its-use-for-preventing-vibrio-infection-in-shrimp-aquaculture
#14
Ann-Chang Cheng, Hsueh-Li Lin, Ya-Li Shiu, Yu-Chang Tyan, Chun-Hung Liu
Bacillus subtilis E20-fermented soybean meal (FSBM) was found to produce antimicrobial peptides (AMPs) with great antimicrobial activity against Vibrio alginolyticus (VA) and V. parahaemolyticus (VP). Three AMPs were purified with a 5 kDa ultrafiltration, Sephadex G-15 column and reverse-phase high-performance liquid chromatography (RP-HPLC). The FSB-AMP, HTSKALLDMLKRLGK, identified by an RP-nano-ultrapure liquid chromatography (UPLC) electrospray ionization (ESI)-tandem mass spectroscopic (MS/MS) analysis exhibited the highest bactericidal activity against VA and VP compared to the others...
June 5, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28594855/the-artificial-sweetener-acesulfame-potassium-affects-the-gut-microbiome-and-body-weight-gain-in-cd-1-mice
#15
Xiaoming Bian, Liang Chi, Bei Gao, Pengcheng Tu, Hongyu Ru, Kun Lu
Artificial sweeteners have been widely used in the modern diet, and their observed effects on human health have been inconsistent, with both beneficial and adverse outcomes reported. Obesity and type 2 diabetes have dramatically increased in the U.S. and other countries over the last two decades. Numerous studies have indicated an important role of the gut microbiome in body weight control and glucose metabolism and regulation. Interestingly, the artificial sweetener saccharin could alter gut microbiota and induce glucose intolerance, raising questions about the contribution of artificial sweeteners to the global epidemic of obesity and diabetes...
2017: PloS One
https://www.readbyqxmd.com/read/28592401/transgenic-tomatoes-expressing-the-6f-peptide-and-ezetimibe-prevent-diet-induced-increases-of-interferon-%C3%AE-and-cholesterol-25-hydroxylase-in-jejunum
#16
Pallavi Mukherjee, Greg Hough, Arnab Chattopadhyay, Mohamad Navab, Hannah R Fogelman, David Meriwether, Kevin Williams, Steven Bensinger, Travis Moller, Kym F Faull, Aldons J Lusis, Luisa Iruela-Arispe, Kristina I Bostrom, Peter Tontonoz, Srinivasa T Reddy, Alan M Fogelman
Feeding LDLR-null mice a Western diet (WD) increased the expression of interferon beta (IFN-β) in jejunum as determined by RT-qPCR, immunohistochemistry (IHC), and by ELISA (all p <0.0001). WD also increased the expression of cholesterol 25-hydroxylase (CH25H) as measured by RT-qPCR (p <0.0001), IHC (p = 0.0019), and ELISA (p <0.0001) resulting in increased levels of 25-hydroxycholesterol (25-OHC) in jejunum as determined by LC-MS/MS (p <0.0001). Adding Ezetimibe at 10 mg/kg/day or adding a concentrate of transgenic tomatoes expressing the 6F peptide (Tg6F) at 0...
June 7, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/28591806/quantitative-proteomics-of-intestinal-mucosa-from-male-mice-lacking-intestinal-epithelial-insulin-receptors
#17
Stina Rikke Jensen, Erwin M Schoof, Sarah E Wheeler, Henning Hvid, Jonas Ahnfelt-Rønne, Bo Falck Hansen, Erica Nishimura, Grith Skytte Olsen, Thomas Kislinger, Patricia L Brubaker
The goal of the present study was to determine whether loss of the insulin receptor alters the molecular landscape of the intestinal mucosa, using intestinal-epithelial insulin receptor knockout (IE-irKO) mice and both genetic (IRfl/fl and Villin-cre) controls. Quantitative proteomic analysis by Liquid Chromatography Mass Spectrometry (LC-MS) was applied to jejunal and colonic mucosa from mice fed a chow- or Western diet (WD). Jejunal mucosa from IE-irKO mice demonstrated alterations in all intestinal cell linages, Paneth, goblet, absorptive and enteroendocrine cells, whereas only goblet and absorptive cells were affected in the colon...
June 7, 2017: Endocrinology
https://www.readbyqxmd.com/read/28589636/25-hydroxyvitamin-d3-and-its-c-3-epimer-are-elevated-in-the-skin-and-serum-of-skh-1-mice-supplemented-with-dietary-vitamin-d3
#18
Matthew D Teegarden, Amanda R Campbell, Jessica L Cooperstone, Kathleen L Tober, Steven J Schwartz, Tatiana M Oberyszyn
SCOPE: UV exposure is a risk factor for keratinocyte carcinoma (KC) while critical for endogenous vitamin D production. We investigated dietary modulation of skin and serum 25-hydroxyvitamin D3 (25OHD3 ) and its C-3 epimer (C3epi) in a mouse model of KC. C3epi is an under-investigated metabolite of vitamin D with respect to its biological implications. METHODS AND RESULTS: Male and female Skh-1 mice were supplemented with 25, 150 or 1000 IU/kg diet vitamin D3 for 25 weeks, with some exposed to UV light...
June 7, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28587463/lipidomic-profiling-of-human-adipose-tissue-identifies-a-pattern-of-lipids-associated-with-fish-oil-supplementation
#19
Elizabeth G Stanley, Benjamin J Jenkins, Celia G Walker, Albert Koulman, Annette L West, Philip C Calder, Susan A Jebb, Julian Leether Griffin
To understand the interaction between diet and health, biomarkers that accurately reflect consumption of foods of perceived health relevance are needed. The aim of this investigation was to use direct infusion-mass spectrometry (DI-MS) lipidomics to determine the effects of fish oil supplementation on lipid profiles of human adipose tissue. Adipose tissue samples from an n-3 polyunsaturated fatty acid (PUFA) supplementation study (n = 66) were analysed to compare the pattern following supplementation equivalent to 0 or 4 portions of oily fish per week...
June 6, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28583875/quantitative-profiling-of-19-bile-acids-in-rat-plasma-liver-bile-and-different-intestinal-section-contents-to-investigate-bile-acid-homeostasis-and-the-application-of-temporal-variation-of-endogenous-bile-acids
#20
Tingting Yang, Ting Shu, Guanlan Liu, Huifang Mei, Xiaoyu Zhu, Xin Huang, Luyong Zhang, Zhenzhou Jiang
Bile acid homeostasis is maintained by liver synthesis, bile duct secretion, microbial metabolism and intestinal reabsorption into the blood. When drug insults result in liver damage, the variances of bile acids (BAs) are related to the physiological status of the liver. Here, we established a method to simultaneously quantify 19 BAs in rat plasma, liver, bile and different intestinal section contents (duodenum, jejunum, ileum, cecum and colon) using high-performance liquid chromatography-tandem mass spectrometry (LC-MS/MS) to reveal the pattern of bile acid homeostasis in the enterohepatic circulation of bile acids in physiological situations...
June 2, 2017: Journal of Steroid Biochemistry and Molecular Biology
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