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https://www.readbyqxmd.com/read/28214354/long-chain-unsaturated-fatty-acids-as-possible-important-metabolites-for-primary-angle-closure-glaucoma-based-on-targeted-metabolomic-analysis
#1
Shengzhong Rong, Yang Li, Yue Guan, Lili Zhu, Qiang Zhou, Mucong Gao, Hongzhi Pan, Lina Zou, Dong Chang
Primary angle-closure glaucoma (PACG) is a severe chronic neurodegenerative disease in Asia. Identification of important metabolites associated with PACG is crucial for early intervention and advancing knowledge of the disease mechanism. We applied gas chromatography-mass spectrometry (GC-MS) for targeted metabolomic analysis on serum samples from thirty-eight newly diagnosed PACG patients and forty-eight controls. Palmitoleic acid (PA), linoleic acid (LA), gamma-linolenic acid (GLA) and arachidonic acid (ARA) were identified as important metabolites associated with PACG...
February 18, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/28214337/palmitate-induces-mitochondrial-superoxide-generation-and-activates-ampk-in-podocytes
#2
Eugene Lee, Jin Choi, Hyun Soon Lee
Studies have shown that high levels of serum free fatty acids (FFAs) are associated with lipotoxicity and type 2 diabetes. Palmitic acid (PA) is the predominant circulating saturated FFA, yet its role in the pathogenesis of diabetic nephropathy (DN) is not clear. Recently, one study suggested that mitochondrial superoxide production is related to AMP-activated protein kinase (AMPK) activity in diabetic mice kidneys. To elucidate the link between PA and oxidative stress and AMPK activity in DN, we compared the cultured murine podocytes exposed to PA and oleic acid (OA)...
February 18, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28214333/early-and-continued-manual-stimulation-is-required-for-long-term-recovery-after-facial-nerve-injury
#3
Maria Grosheva, Svenja Rink, Ramona Jansen, Habib Bendella, Stoyan P Pavlov, Levent Sarikcioglu, Doychin N Angelov, Sarah A Dunlop
INTRODUCTION: We showed previously that manual stimulation (MS) of vibrissal muscles for 2 months after facial nerve injury (FFA) in rats improves whisking and reduces motor endplate poly-innervation. Here, we asked whether discontinuing or delaying MS after FFA would also lead to similar results. METHODS: Rats were subjected to FFA and received MS for: i) 4 months ("early & continued"), ii) the first but not the last 2 months ("discontinued"), or iii) the last 2 months ("delayed")...
February 18, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28211103/impaired-learning-and-memory-in-rats-induced-by-a-high-fat-diet-involvement-with-the-imbalance-of-nesfatin-1-abundance-and-copine-6-expression
#4
Zheng Chen, Ya-Yun Xu, Rui Wu, Yin-Xiu Han, Yue Yu, Jin-Fang Ge, Fei-Hu Chen
Non-alcoholic fatty liver disease (NAFLD) is the most common cause of chronic liver disease, resulting not only in liver dysfunction, glucose and lipid metabolism disorder, but also in neuropsychiatric damage. In the present study, a NAFLD rat model was established via feeding of a high-fat diet, and the behavior was observed via the open field test (OFT), the sucrose preference test (SPT), the elevated plus maze (EPM), the forced swimming test (FST), and the Morris water maze (MWM). The plasma concentrations of alanine aminotransferase (ALT), glucose, free fatty acid (FFA), total cholesterol (TC), triglyceride (TG), high-density lipoprotein cholesterol (HDL-C), and low-density lipoprotein cholesterol (LDL-C) were detected using chemiluminescence technique...
February 17, 2017: Journal of Neuroendocrinology
https://www.readbyqxmd.com/read/28205069/transcriptomic-analysis-of-thp-1-macrophages-exposed-to-lipoprotein-hydrolysis-products-generated-by-lipoprotein-lipase
#5
Narmadaa Thyagarajan, Jenika D Marshall, Arthur T Pickett, Clemens Schumacher, Yanbo Yang, Sherri L Christian, Robert J Brown
Macrophage lipoprotein lipase (LPL) induces lipid accumulation and promotes atherosclerosis. However, the effects of lipoprotein hydrolysis products generated by LPL on macrophage-derived foam cell formation are not clearly understood. Thus, we analyzed the transcriptomic response to hydrolysis products via microarray analyses on RNA isolated from human THP-1 macrophages incubated with total lipoprotein hydrolysis products generated by LPL. The expression of 183 transcripts was significantly upregulated and 133 transcripts were significantly downregulated...
February 15, 2017: Lipids
https://www.readbyqxmd.com/read/28198428/acyl-ghrelin-induces-insulin-resistance-independently-of-gh-cortisol-and-free-fatty-acids
#6
Esben T Vestergaard, Niels Jessen, Niels Møller, Jens Otto Lunde Jørgensen
Ghrelin produced in the gut stimulates GH and ACTH secretion from the pituitary and also stimulates appetite and gastric emptying. We have shown that ghrelin also induces insulin resistance via GH-independent mechanisms, but it is unknown if this effect depends on ambient fatty acid (FFA) levels. We investigated the impact of ghrelin and pharmacological antilipolysis (acipimox) on insulin sensitivity and substrate metabolism in 8 adult hypopituitary patients on stable replacement with GH and hydrocortisone using a 2 × 2 factorial design: Ghrelin infusion, saline infusion, ghrelin plus short-term acipimox, and acipimox alone...
February 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28193532/age-dependent-atypicalities-in-body-and-face-sensitive-activation-of-the-eba-and-ffa-in-individuals-with-asd
#7
Yuko Okamoto, Hirotaka Kosaka, Ryo Kitada, Ayumi Seki, Hiroki C Tanabe, Masamichi J Hayashi, Takanori Kochiyama, Daisuke N Saito, Hisakazu T Yanaka, Toshio Munesue, Makoto Ishitobi, Masao Omori, Yuji Wada, Hidehiko Okazawa, Tatsuya Koeda, Norihiro Sadato
Individuals with autism spectrum disorder (ASD) have difficuly in recognizing bodies and faces, which are more pronounced in children than adults. If such difficulties originate from dysfunction of the extrastriate body area (EBA) and the fusiform face area (FFA), activation in these regions might be more atypical in children than in adults. We preformed functional magnetic resonance imaging while children and adults with ASD and age-matched typically developed (TD) individuals observed face, body, car, and scene...
February 10, 2017: Neuroscience Research
https://www.readbyqxmd.com/read/28191635/the-role-of-epicardial-adipose-tissue-in-cardiac-biology-classic-concepts-and-emerging-roles
#8
Alexios S Antonopoulos, Charalambos Antoniades
Classic concepts about the role of epicardial adipose tissue (EpAT) in heart physiology include its role in cardiac metabolism, the mechanical protection of coronaries, the innervation and possibly cryoprotection of the heart too. Nevertheless, recent evidence has revealed that epicardial adipose tissue regulates multiple aspects of cardiac biology including myocardial redox state, intracellular Ca(2+) cycling, the electrophysiological (EP) and contractile properties of cardiomyocytes, cardiac fibrosis as well as coronary atherosclerosis progression...
February 12, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28190475/calycosin-attenuates-triglyceride-accumulation-and-hepatic-fibrosis-in-murine-model-of-non-alcoholic-steatohepatitis-via-activating-farnesoid-x-receptor
#9
Xingping Duan, Qiang Meng, Changyuan Wang, Zhihao Liu, Qi Liu, Huijun Sun, Pengyuan Sun, Xiaobo Yang, Xiaokui Huo, Jinyong Peng, Kexin Liu
BACKGROUND: Non-alcoholic steatohepatitis (NASH) represents the more severe end of hepatic steatosis and is associated with progressive liver disease. Calycosin, derived from the root of Radix Astragali, has been demonstrated to have favorable efficacy on acute liver injury. PURPOSE: The present study was to investigate the hepatoprotective effect of calycosin on attenuating triglyceride accumulation and hepatic fibrosis, as well as explore the potential mechanism in murine model of NASH...
February 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28185907/pharmaceutical-co-crystal-of-flufenamic-acid-synthesis-and-characterization-of-two-novel-drug-drug-co-crystal
#10
Kumar N Sunil, Tekuri Venkatadri, Darshak R Trivedi
Two novel pharmaceutical co-crystals of anti-inflammatory drug flufenamic acid (FFA) with 2-chloro-4-nitrobenzoic acid (CNB) and ethenzamide (ETZ) have been synthesized by solvent evaporation method as well as by solvent drop assisted grinding method. The synthesized co-crystals were characterized thoroughly by various spectroscopic methods and crystal structures were determined by single-crystal X-ray diffraction technique (SC-XRD). In FFA-CNB co-crystal, robust supramolecular acid-acid homosynthon was observed...
February 6, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28183453/glucose-tolerance-and-free-fatty-acid-metabolism-in-adults-with-variations-in-tcf7l2-rs7903146
#11
Jin Lu, Ron T Varghese, Lianzhen Zhou, Adrian Vella, Michael D Jensen
OBJECTIVE: TCF7L2 variant rs7903146 is associated with increased risk for type 2 diabetes. We investigated the effect of TCF7L2 variant rs7903146 and glucose tolerance on free fatty acid (FFA) metabolism. RESEARCH DESIGN AND METHODS: We recruited 120 individuals, half homozygous for the major CC allele and half homozygous for the minor TT allele at rs7903146; each underwent a 2-h, 75g oral glucose tolerance test (OGTT). Plasma glucose, insulin and free fatty acid concentrations were measured on blood collected before and during the OGTT...
March 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28177675/what-factors-contribute-to-the-elevation-of-serum-free-fatty-acids-ffa-in-newborns-in-the-cardiac-surgical-setting
#12
Carin Wittnich, Michael P Belanger
Elevations in serum free fatty acids (FFA) levels during heart surgery have been reported in humans and experimental animals, causing increased arrhythmias, decreased heart function, and contributing to mortality. Factors such as heparin administration, age, cardiopulmonary bypass (CPB) and cyanosis/hypoxia have been implicated but not proven. This study was designed to clarify the contribution of these factors using an experimental pig model as follows: a) adult (n=10) versus 3-day old piglets (n=18) had FFA levels assessed before and after heparin administration; b) 3 day old piglets, the additional effect of CPB (n=8) or just severe hypoxia (PaO2 = 20-25 mmHg; n=6) exposure on FFA levels...
January 9, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28177390/digestibility-of-energy-and-lipids-and-oxidative-stress-in-nursery-pigs-fed-commercially-available-lipids
#13
S C Lindblom, W A Dozier, G C Shurson, B J Kerr
An experiment was conducted to evaluate the impact of lipid source on GE and ether extract (EE) digestibility, oxidative stress, and gut integrity in nursery pigs fed diets containing 10% soybean oil (SO), choice white grease (CWG), palm oil (PO), distillers' corn oil with approximately 5% FFA (DCO-1), or distillers' corn oil with approximately 10% FFA (DCO-2). Fifty-four barrows weaned at 28 d of age were fed a common starter diet for 7 d, group fed their respective experimental diets for an additional 7 d, and then moved to metabolism crates and individually fed their respective diets for another 10 d...
January 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28169366/phytosterol-esters-attenuate-hepatic-steatosis-in-rats-with-non-alcoholic-fatty-liver-disease-rats-fed-a-high-fat-diet
#14
Lihua Song, Dan Qu, Qing Zhang, Jing Jiang, Haiyue Zhou, Rui Jiang, Yating Li, Yao Zhang, Hongli Yan
Given the adverse effects of drugs used for NAFLD treatment, identifying novel and effective natural compound to prevent NAFLD is urgently needed. In the present study, the effects of phytosterol esters (PSEs) on NAFLD were explored. Adult SD rats were randomized into five groups: normal chow diet (NC), high-fat diet (HF), low-, medium- and high-dose PSE treatment plus high-fat diet groups (PSEL, PSEM, and PSEH). Our results showed that the levels of LDL-C in the PSEL group and hepatic TG, TC, and FFA in the three PSEs groups were significantly decreased...
February 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28167944/intestinal-dysbiosis-is-associated-with-altered-short-chain-fatty-acids-and-serum-free-fatty-acids-in-systemic-lupus-erythematosus
#15
Javier Rodríguez-Carrio, Patricia López, Borja Sánchez, Sonia González, Miguel Gueimonde, Abelardo Margolles, Clara G de Los Reyes-Gavilán, Ana Suárez
Metabolic impairments are a frequent hallmark of systemic lupus erythematosus (SLE). Increased serum levels of free fatty acids (FFA) are commonly found in these patients, although the underlying causes remain elusive. Recently, it has been suggested that factors other than inflammation or clinical features may be involved. The gut microbiota is known to influence the host metabolism, the production of short-chain fatty acids (SCFA) playing a potential role. Taking into account that lupus patients exhibit an intestinal dysbiosis, we wondered whether altered FFA levels may be associated with the intestinal microbial composition in lupus patients...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28167496/a-maternal-western-diet-during-gestation-and-lactation-modifies-offspring-s-microbiota-activity-blood-lipid-levels-cognitive-responses-and-hippocampal-neurogenesis-in-yucatan-pigs
#16
David Val-Laillet, Marie Besson, Sylvie Guérin, Nicolas Coquery, Gwénaëlle Randuineau, Ameni Kanzari, Hélène Quesnel, Nathalie Bonhomme, J Elizabeth Bolhuis, Bas Kemp, Sophie Blat, Isabelle Le Huërou-Luron, Caroline Clouard
A suboptimal early nutritional environment (i.e., excess of energy, sugar, and fat intake) can increase susceptibility to diseases and neurocognitive disorders. The purpose of this study was to investigate in nonobese Yucatan minipigs (Sus scrofa) the impact of maternal diet [standard (SD) vs. Western (WD) diet] during gestation and 25 d of lactation on milk composition, blood metabolism, and microbiota activity of sows (n = 17) and their piglets (n = 65), and on spatial cognition (n = 51), hippocampal plasticity (n = 17), and food preferences/motivation (n = 51) in the progeny...
February 6, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28164493/association-between-serum-free-fatty-acids-levels-and-gestational-diabetes-mellitus-a-cross-sectional-study
#17
Juanwen Zhang, Jinmei Yao, Ying Zhao, Nengneng Zheng, Yuying Dai
BACKGROUND: This study aimed to assess the relationship between serum free fatty acid (FFA) levels and gestational diabetes mellitus (GDM) in Chinese pregnant women. METHODS: A cross-sectional study was performed among 779 eligible pregnant women who underwent detailed prenatal visits in Hangzhou, China. RESULTS: Patients with GDM had significantly higher serum FFA levels than those without GDM. Spearman's correlation analysis showed that FFA levels were positively correlated with fasting plasma glucose, 1hPG, 2hPG, HOMA-IR, triglyceride, and sialic acid (p < 0...
January 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/28163099/17%C3%AE-estradiol-protects-against-the-effects-of-a-high-fat-diet-on-cardiac-glucose-lipid-and-nitric-oxide-metabolism-in-rats
#18
Sonja Zafirovic, Milan Obradovic, Emina Sudar-Milovanovic, Aleksandra Jovanovic, Julijana Stanimirovic, Alan J Stewart, Samantha J Pitt, Esma R Isenovic
The aim of this study was to investigate the in vivo effects of 17β-estradiol (E2) on myocardial metabolism and inducible nitric oxide synthase (iNOS) expression/activity in obese rats. Male Wistar rats were fed with a normal or a high fat (HF) diet (42% fat) for 10 weeks. Half of the HF fed rats were treated with a single dose of E2 while the other half were placebo-treated. 24 h after treatment animals were sacrificed. E2 reduced cardiac free fatty acid (FFA) (p < 0.05), L-arginine (p < 0.01), iNOS mRNA (p < 0...
February 2, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28161992/antrodia-cinnamomea-prevents-obesity-dyslipidemia-and-the-derived-fatty-liver-via-regulating-ampk-and-srebp-signaling
#19
Chiung-Huei Peng, Mon-Yuan Yang, Yi-Sun Yang, Chieh-Chou Yu, Chau-Jong Wang
Antrodia cinnamomea (AC), a protogenic fungus that only grows on the heartwood of endemic Cinnamomum kanehirae Hayata in Taiwan, is used to treat a variety of illness including liver disease. However, little is known about the benefit of AC against obesity and the related hepatic disorder. Using high-fat-diet (HFD) feed mice, we aimed to investigate whether the extract of AC (ACE) could reduce excessive weight, body fat, and serum lipids and prevent the development of non-alcoholic fatty liver (NAFLD). C57BL/6 mice were divided into five groups fed with different diets: control, HFD, and HFD with 0...
2017: American Journal of Chinese Medicine
https://www.readbyqxmd.com/read/28159555/different-effects-of-g-protein-coupled-receptor-120-gpr120-and-gpr40-on-cell-motile-activity-of-highly-migratory-osteosarcoma-cells
#20
Kaede Takahashi, Kaori Fukushima, Yuka Onishi, Yusuke Node, Karin Inui, Nobuyuki Fukushima, Kanya Honoki, Toshifumi Tsujiuchi
G-protein-coupled receptor 120 (GPR120) and GPR40 are members of free fatty acid (FFA) receptors and mediate a variety of biological responses through binding of medium- and long-chain FFAs. Recently, it has been reported that GPR120 and GPR40 regulated cellular functions of cancer cells. In the present study, to assess whether GPR120 and GPR40 are involved in the enhancement of cell motile activity of osteosarcoma cells, we established highly migratory (MG63-R7) cells from osteosarcoma MG-63 cells. The expression level of GPR120 gene was significantly higher in MG63-R7 cells than in MG-63 cells, while no change of GPR40 expression was observed...
March 11, 2017: Biochemical and Biophysical Research Communications
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