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https://www.readbyqxmd.com/read/28106735/mass-spectrometry-based-metabolomic-and-lipidomic-analyses-of-the-effects-of-dietary-platycodon-grandiflorum-on-liver-and-serum-of-obese-mice-under-a-high-fat-diet
#1
Hye Min Park, Kab-Tae Park, Edmond Changkyun Park, Seung Ii Kim, Myung Sook Choi, Kwang-Hyeon Liu, Choong Hwan Lee
We aimed to identify metabolites involved in the anti-obesity effects of Platycodon grandiflorum (PG) in high-fat diet (HFD)-fed mice using mass spectrometry (MS)-based metabolomic techniques. C57BL/6J mice were divided into four groups: normal diet (ND)-fed mice, HFD-fed mice, HFD with 1% PG extract-fed mice (HPGL), and HFD with 5% PG extract-fed mice (HPGH). After 8 weeks, the HFD group gained more weight than the ND group, while dietary 5% PG extract attenuated this change. The partial least squares discriminant analysis (PLS-DA) score plots showed a clear distinction between experimental groups in serum and liver markers...
January 17, 2017: Nutrients
https://www.readbyqxmd.com/read/28106337/in-vivo-metabolomic-interpretation-of-the-anti-obesity-effects-of-hyacinth-bean-dolichos-lablab-l-administration-in-high-fat-diet-mice
#2
Dong Ho Suh, Hye Won Lee, Eun Sung Jung, Digar Singh, Seung-Hyung Kim, Choong Hwan Lee
SCOPE: The esoteric anti-obesity effects of hyacinth bean (Dolichos lablab L) have largely remained unexplored. Herein, we investigated the anti-obesity mechanisms of hyacinth bean compared to milk thistle, a natural herb employed for ameliorating obesity-related diseases, using high fat-diet (HFD) fed mice towards unfolding the perplexing mechanisms. METHODS AND RESULTS: C57BL/6J mice were orally administered hyacinth bean (25 mg/kg/day) and milk thistle (100 mg/kg/day) for 9 weeks along with HFD...
January 20, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28101114/dietary-and-socio-demographic-determinants-of-serum-persistent-organic-pollutants-pops-levels-in-pregnant-women-in-tehran
#3
Bita Eslami, Batool Hossein-Rashidi, Kazem Naddafi, Noushin Rastkari, Abolghasem Djazayeri, Hossein Malekafzali
Objective: To determine the levels of Polychlorinated biphenyls (PCBs) and Polybrominateddiphenyl ethers (PBDEs) as persistent organic pollutants (POPs) in serum of primiparous women at the third trimester of pregnancy and identify the main determinants of POPs levels such as socio-demographic, lifestyle, and diet in Tehran. Materials and methods: One- hundred eighty five serum samples from two simultaneous case-control studies were collected from September 2013 until August 2015.Ten most abundant PCB congeners (International Union of Pure and Applied Chemistry (IUPAC) congeners 28, 52, 74, 99, 101, 118, 138, 153, 180 and 187) as well as eight PBDE congeners (IUPAC congeners 28, 47, 99, 100, 153, 154, 183 and 209)were analyzed by Gas Chromatography Mass Spectrometry (GC/MS)...
September 2016: Journal of Family & Reproductive Health
https://www.readbyqxmd.com/read/28080254/wellness-and-multiple-sclerosis-the-national-ms-society-establishes-a-wellness-research-working-group-and-research-priorities
#4
Robert W Motl, Ellen M Mowry, Dawn M Ehde, Nicholas G LaRocca, Kathy E Smith, Kathleen Costello, Lynne Shinto, Alexander V Ng, Amy B Sullivan, Barbara Giesser, Kevin K McCully, Bo Fernhall, Malachy Bishop, Matthew Plow, Patrizia Casaccia, Nancy D Chiaravalloti
BACKGROUND: People with multiple sclerosis (MS) have identified "wellness" and associated behaviors as a high priority based on "social media listening" undertaken by the National MS Society (i.e. the Society). OBJECTIVE: The Society recently convened a group that consisted of researchers with experience in MS and wellness-related research, Society staff members, and an individual with MS for developing recommendations regarding a wellness research agenda. METHOD: The members of the group engaged in focal reviews and discussions involving the state of science within three approaches for promoting wellness in MS, namely diet, exercise, and emotional wellness...
January 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28078565/the-influence-of-sodium-on-pathophysiology-of-multiple-sclerosis
#5
REVIEW
Jacek Zostawa, Jowita Adamczyk, Paweł Sowa, Monika Adamczyk-Sowa
Multiple sclerosis (MS) is a chronic, inflammatory, autoimmune disease of the central nervous system, and is an important cause of disability in young adults. In genetically susceptible individuals, several environmental factors may play a partial role in the pathogenesis of MS. Some studies suggests that high-salt diet (>5 g/day) may contribute to the MS and other autoimmune disease development through the induction of pathogenic Th17 cells and pro-inflammatory cytokines in both humans and mice. However, the precise mechanisms of pro-inflammatory effect of sodium chloride intake are not yet explained...
January 11, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28068285/vitamin-k2-improves-anxiety-and-depression-but-not-cognition-in-rats-with-metabolic-syndrome-a-role-of-blood-glucose
#6
Silvia M Gancheva, Maria D Zhelyazkova-Savova
BACKGROUND: The metabolic syndrome is a socially important disorder of energy utilization and storage, recognized as a factor predisposing to the development of depression, anxiety and cognitive impairment in humans. AIM: In the present study we examined the effects of vitamin K2 on the behavior of rats with metabolic syndrome and looked for relationships with the effects on blood sugar. MATERIALS AND METHODS: Male Wistar rats were divided in four groups: a control group on a regular rat chow, a metabolic syndrome (MS) group fed a high-fat high-fructose diet, a control group treated with vitamin K2 and a MS group treated with vitamin K2...
December 1, 2016: Folia Medica
https://www.readbyqxmd.com/read/28063411/the-properties-of-red-seaweed-kappaphycus-alvarezii-and-its-effect-on-mammary-carcinogenesis
#7
Vi-Sion Chang, Patrick N Okechukwu, Swee-Sen Teo
The edible red seaweed (Kappaphycus alvarezii) is one of the algae species which was found to be rich in nutrients and nutraceutical. Hence, K. alvarezii may have the ability to suppress cancer through its antiproliferative properties. The aim of this study was to investigate the potential compounds of K. alvarezii, cytotoxicity properties of K. alvarezii extract on breast cancer cell line (MCF-7), investigated toxicity effect of high dosage K. alvarezii extract in rats and determined the effect of K. alvarezii on 7, 12-dimethylbenz[a]anthracene (DMBA) mammary carcinogenesis in rats...
January 4, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28061817/the-rumen-microbial-metaproteome-as-revealed-by-sds-page
#8
Timothy J Snelling, R John Wallace
BACKGROUND: Ruminal digestion is carried out by large numbers of bacteria, archaea, protozoa and fungi. Understanding the microbiota is important because ruminal fermentation dictates the efficiency of feed utilisation by the animal and is also responsible for major emissions of the greenhouse gas, methane. Recent metagenomic and metatranscriptomic studies have helped to elucidate many features of the composition and activity of the microbiota. The metaproteome provides complementary information to these other -omics technologies...
January 7, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28054457/doping-control-analysis-of-lithium-in-horse-urine-and-plasma-by-inductively-coupled-plasma-mass-spectrometry
#9
Timmy L S Choi, Jenny K Y Wong, Emmie N M Ho, Wai Him Kwok, Gary N W Leung, Peter Curl, Terence S M Wan
Lithium salts are commonly prescribed to treat bipolar disorder in humans. They are effective for the treatment of acute mania and the prophylaxis of manic relapses through long-term use. Although there is no reported legitimate therapeutic use of lithium in horses, its potential mood stabilizing effect, low cost and being readily available make lithium salt a potential agent of abuse in equine sports, especially for equestrian competition horses. Lithium can be found in soil, plants and water, as such it is naturally present in the equine body, thus a threshold is necessary to control its misuse in horses...
January 5, 2017: Drug Testing and Analysis
https://www.readbyqxmd.com/read/28048818/su-f-i-65-fatty-acid-quantification-in-high-fat-diet-induced-abnormal-intrahepatic-triglyceride-storage-using-internal-standard-method-at-3-0-t
#10
K-H Song, C-H Yoo, S-I Lim, B-Y Choe
PURPOSE: The objective of this study was to determine the metabolic changes in a rat model of high-fat-diet-induced non-alcoholic fatty liver disease (NAFLD) by using single-voxel 1H-MRS with a 3.0 T MRI scanner. METHODS: The examination were performed on a 3.0T scanner using a 4-channel animal coil for higher resolution. This method used point-resolved spectroscopy (PRESS) (repetition time (TR)/echo time (TE) = 6000/35 ms; number of signal averages (NSA) = 64)...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046759/su-f-i-64-comparison-of-lipid-contents-using-steam-and-press-with-in-vivo-high-resolution-spectra-at-9-4-t
#11
K-H Song, S-I Lim, C-H Yoo, B-Y Choe
PURPOSE: The objective of this study is to compare lipid contents using localized point-resolved spectroscopy (PRESS) and stimulated echo acquisition mode (STEAM) sequences to assess lipid resonances in the liver, using in vivo high-resolution spectra at 9.4 T. METHODS: The examinations were performed on a Bruker 9.4T scanner using 4-channel animal coil for higher resolution. We used PRESS (repetition time [TR]/ TE = 3500/20 ms; number of signal averages [NSA] = 128; acquisition data points = 2048) and STEAM (TR/TM/TE = 3500/10/20 ms; NSA = 128; acquisition data points = 2048)...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046138/detection-of-residues-in-urine-and-tissues-of-sheep-treated-with-trace-levels-of-dietary-ractopamine-hcl
#12
D J Smith, W L Shelver, A Marx
Qualitative assays are sometimes used as the sole basis for detecting drug residues in live animals or in animal products. Such assays have become increasingly sensitive as detection technologies have improved, yet the limitations of such assays to discriminate purposeful and accidental drug exposures remain poorly defined. A study was conducted to determine the ability of a ractopamine lateral flow assay to accurately detect incurred ractopamine residues in contaminated feeds and in sheep fed trace quantities of ractopamine HCl...
December 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/28046109/dietary-yeast-cell-wall-extract-alters-the-proteome-of-the-skin-mucous-barrier-in-atlantic-salmon-salmo-salar-increased-abundance-and-expression-of-a-calreticulin-like-protein
#13
Giulia Micallef, Phillip Cash, Jorge M O Fernandes, Binoy Rajan, John W Tinsley, Ralph Bickerdike, Samuel A M Martin, Alan S Bowman
In order to improve fish health and reduce use of chemotherapeutants in aquaculture production, the immunomodulatory effect of various nutritional ingredients has been explored. In salmon, there is evidence that functional feeds can reduce the abundance of sea lice. This study aimed to determine if there were consistent changes in the skin mucus proteome that could serve as a biomarker for dietary yeast cell wall extract. The effect of dietary yeast cell wall extract on the skin mucus proteome of Atlantic salmon was examined using two-dimensional gel electrophoresis...
2017: PloS One
https://www.readbyqxmd.com/read/28041735/beneficial-effects-of-probiotic-cholesterol-lowering-strain-of-enterococcus-faecium-wefa23-from-infants-on-diet-induced-metabolic-syndrome-in-rats
#14
Fen Zhang, Liang Qiu, Xiongpeng Xu, Zhengqi Liu, Hui Zhan, Xueying Tao, Nagendra P Shah, Hua Wei
The aim of this study was to select probiotic Enterococcus strains which have the potential to improve metabolic syndrome (MS). Ten Enterococcus strains isolated from healthy infants were evaluated for their probiotic properties in vitro, and Enterococcus faecium WEFA23 was selected due to its cholesterol removal ability (1.89 ± 0.07 mg/10(10) cfu), highest glycodeoxycholic acid-hydrolase activity (1.86 ± 0.01 U/mg), and strong adhesion capacity to Caco-2 cells (17.90 ± 0.19%). The safety of E. faecium WEFA23 was verified by acute oral administration in mice, and it was found to have no adverse effects on general health status, bacterial translocation, and gut mucosal histology...
December 29, 2016: Journal of Dairy Science
https://www.readbyqxmd.com/read/28041561/changes-in-equol-and-major-soybean-isoflavone-contents-during-processing-and-storage-of-yogurts-made-from-control-or-isoflavone-enriched-bovine-milk-determined-using-lc-ms-tof-analysis
#15
Jitka Kašparovská, Kateřina Dadáková, Jan Lochman, Sylvie Hadrová, Ludmila Křížová, Tomáš Kašparovský
The effect of supplementing a basal diet for dairy cows with "Soybean extract 40" (Biomedica, Prague, Czech Republic), containing 40% soybean isoflavones, on the contents of daidzein, glycitein, genistein, and equol in milk as well as fresh and mature yogurts was estimated. To determine the contents of these isoflavonoids, an efficient analytical LC-MS (TOF) technique was used. The "Soybean extract 40" used in our study contained an especially high proportion of daidzein (307gkg(-1)). In both milk and yogurt samples, the amounts of daidzein and its metabolite equol were significantly higher in samples obtained from cows that received the isoflavone extract-supplemented diet than from those that received the basal diet, as the precursor daidzein contributed to the increased equol concentrations...
May 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28039811/a-fully-validated-gc-tof-ms-method-for-the-quantification-of-fatty-acids-revealed-alterations-in-the-metabolic-profile-of-fatty-acids-after-smoking-cessation
#16
Michael Goettel, Reinhard Niessner, Nikola Pluym, Gerhard Scherer, Max Scherer
We developed and validated an efficient and robust method for the simultaneous quantification of 44 fatty acid species in human plasma via GC-TOF-MS. The method is characterized by its robustness, accuracy and precision covering a wide range of fatty acid species with various saturation degrees including short chain fatty acids (beginning with FA 4:0) and long chain fatty acids (up to FA 32:0). The fatty acids were methylated prior to analyses and subsequently detected as fatty acid methyl esters by means of GC-TOF-MS...
January 15, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28035785/the-hepatic-matrisome-responds-dynamically-to-injury-characterization-of-transitional-changes-to-the-extracellular-matrix-in-mice
#17
Veronica L Massey, Christine E Dolin, Lauren G Poole, Shanice V Hudson, Deanna L Siow, Guy N Brock, Michael L Merchant, Daniel W Wilkey, Gavin E Arteel
: The extracellular matrix (ECM) consists of diverse components that work bidirectionally with surrounding cells to create a responsive microenvironment. In some contexts (e.g., hepatic fibrosis), changes to the ECM are well recognized and understood. However, it is becoming increasingly accepted that the hepatic ECM proteome (i.e., matrisome) responds dynamically to stress well before fibrosis. The term "transitional tissue remodeling" describes qualitative and quantitative ECM changes in response to injury that do not alter the overall architecture of the organ; these changes in ECM may contribute to early disease initiation and/or progression...
November 5, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28029051/adherence-to-a-mediterranean-diet-influences-the-fecal-metabolic-profile-of-microbial-derived-phenolics-in-a-spanish-cohort-of-middle-age-and-older-people
#18
Isabel Gutiérrez-Díaz, Tania Fernández-Navarro, Nuria Salazar, Begoña Bartolome, Maria Victoria Moreno-Arribas, Enrique Juan de Andres-Galiana, Juan Luis Fernández-Martínez, Clara G de Los Reyes-Gavilan, Miguel Gueimonde, Sonia Gonzalez-Solares
Despite the evidence regarding the influence of certain polyphenol food sources on the metabolic profile in feces, the association between the different phenolics provided by the diet and the fecal phenolic profile has not been elucidated. In this study, the composition of phenolic metabolites in fecal solutions was analyzed by UPLC-ESI-MS/MS in 74 volunteers. This fecal phenolic profile showed a high interindividual variation of the different compounds analyzed, phenylacetic and phenylpropionic acids being the major classes of phenolic metabolites excreted in feces...
December 28, 2016: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28024118/maternal-fetal-cholesterol-transport-in-the-second-half-of-mouse-pregnancy-does-not-involve-lrp2
#19
Mathijs V Zwier, Maria E Baardman, Theo H van Dijk, Angelika Jurdzinski, Lambertus J Wisse, Vincent W Bloks, Rolf M F Berger, Marco C DeRuiter, Albert K Groen, Torsten Plösch
AIM: Lipoprotein related receptor protein type 2 (LRP2) is highly expressed on both yolk sac and placenta. Mutations in the corresponding gene are associated with severe birth defects in humans, known as Donnai-Barrow syndrome. We here characterized the contribution of LRP2 and maternal plasma cholesterol availability to maternal-fetal cholesterol transport and fetal cholesterol levels in utero in mice. METHODS: Lrp2(+/-) mice were mated heterozygously to yield fetuses of all 3 genotypes...
December 26, 2016: Acta Physiologica
https://www.readbyqxmd.com/read/28012379/the-lc-ms-based-metabolomics-of-hydroxytyrosol-administration-in-rats-reveals-amelioration-of-the-metabolic-syndrome
#20
Nikolaos Lemonakis, Hemant Poudyal, Maria Halabalaki, Lindsay Brown, Anthony Tsarbopoulos, Alexios-Leandros Skaltsounis, Evagelos Gikas
Hydroxytyrosol (HT), an important component of olive fruit and olive oil, improves the signs of metabolic syndrome in rats following chronic treatment. At a dose of 20mg/kg/day, HT decreased adiposity and improved cardiovascular and liver structure and function in rats fed with a high-carbohydrate, high-fat diet. An untargeted metabolomics approach has been employed using both UPLC-Orbitrap and -QqTOF methods to identify the changes induced by chronic HT administration on the plasma metabolome. 31 metabolites have been found to be differentially expressed between the examined groups...
January 15, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
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