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https://www.readbyqxmd.com/read/29793103/disruption-of-the-gonadal-endocannabinoid-system-in-zebrafish-exposed-to-diisononyl-phthalate
#1
Isabel Forner-Piquer, Stefania Santangeli, Francesca Maradonna, Alessandro Rabbito, Fabiana Piscitelli, Hamid R Habibi, Vincenzo Di Marzo, Oliana Carnevali
DiNP (Di-isononyl phthalate) has been recently introduced as DEHP (Bis (2-ethylhexyl) phthalate) substitute and due to its chemical properties, DiNP is commonly used in a large variety of plastic items. The endocannabinoid system (ECS) is a lipid signaling system involved in a plethora of physiological pathways including the control of the reproductive and metabolic processes. In this study, the effects of DiNP on the ECS of zebrafish (male and female) gonads were analyzed. Adult zebrafish were chronically exposed for 21 days via water to 3 environmentally relevant concentrations of DiNP (42 μg/L; 4...
May 21, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29793067/performance-and-methane-fermentation-characteristics-of-a-pilot-scale-anaerobic-membrane-bioreactor-anmbr-for-treating-pharmaceutical-wastewater-containing-m-cresol-mc-and-iso-propyl-alcohol-ipa
#2
Zhaobo Chen, Xue Li, Dongxue Hu, Yubo Cui, Fuguang Gu, Fuquan Jia, Tingting Xiao, Haiyan Su, Jiao Xu, Haixu Wang, Pan Wu, Ying Zhang, Na Jiang
In this study, a pilot scale anaerobic membrane bioreactor (AnMBR) was operated for 80 days to treat pharmaceutical wastewater containing m-cresol (MC) and iso-propyl alcohol (IPA). The aim of the study is to investigate the performance and methane fermentation characteristics of AnMBR at different hydraulic retention time (HRT) (48, 36, 24, 18 and 12 h). The average total removal efficiencies of MC and IPA were 95%, 96% during the 80 days, which demonstrated that the AnMBR system performed well in the MC and IPA removal...
May 11, 2018: Chemosphere
https://www.readbyqxmd.com/read/29793056/high-myristic-acid-content-in-the-cyanobacterium-cyanothece-sp-pcc-8801-results-from-substrate-specificity-of-lysophosphatidic-acid-acyltransferase
#3
Masakazu Saito, Kaichiro Endo, Koichi Kobayashi, Mai Watanabe, Masahiko Ikeuchi, Akio Murakami, Norio Murata, Hajime Wada
Analysis of fatty acids from the cyanobacterium Cyanothece sp. PCC 8801 revealed that this species contained high levels of myristic acid (14:0) and linoleic acid in its glycerolipids, with minor contributions from palmitic acid (16:0), stearic acid, and oleic acid. The level of 14:0 relative to total fatty acids reached nearly 50%. This 14:0 fatty acid was esterified primarily to the sn-2 position of the glycerol moiety of glycerolipids. This characteristic is unique because, in most of the cyanobacterial strains, the sn-2 position is esterified exclusively with C16 fatty acids, generally 16:0...
May 21, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29793055/fatty-acid-activation-in-thermogenic-adipose-tissue
#4
REVIEW
Sandra Steensels, Baran A Ersoy
Channeling carbohydrates and fatty acids to thermogenic tissues, including brown and beige adipocytes, have garnered interest as an approach for the management of obesity-related metabolic disorders. Mitochondrial fatty acid oxidation (β-oxidation) is crucial for the maintenance of thermogenesis. Upon cellular fatty acid uptake or following lipolysis from triglycerides (TG), fatty acids are esterified to coenzyme A (CoA) to form active acyl-CoA molecules. This enzymatic reaction is essential for their utilization in β-oxidation and thermogenesis...
May 21, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29792954/increased-brain-docosahexaenoic-acid-has-no-effect-on-the-resolution-of-neuroinflammation-following-intracerebroventricular-lipopolysaccharide-injection
#5
Marc-Olivier Trépanier, Kathryn E Hopperton, Vanessa Giuliano, Mojgan Masoodi, Richard P Bazinet
Resolution of inflammation in the periphery was once thought to be a passive process, but new research now suggests it is an active process mediated by specialized pro-resolving lipid mediators (SPM) derived from omega-3 polyunsaturated fatty acids (n-3 PUFA). However, this has yet to be illustrated in neuroinflammation. The purpose of this study was to measure resolution of neuroinflammation and to test whether increasing brain docosahexaenoic acid (DHA) affects the resolution of neuroinflammation. C57Bl/6 mice, fat-1 mice and their wildtype littermates, fed either fish oil or safflower oil, received lipopolysaccharide (LPS) in the left lateral ventricle...
May 21, 2018: Neurochemistry International
https://www.readbyqxmd.com/read/29792880/molecular-alterations-during-larval-development-of-haemonchus-contortus-in-vitro-are-under-tight-post-transcriptional-control
#6
Guangxu Ma, Tao Wang, Pasi K Korhonen, Ching-Seng Ang, Nicholas A Williamson, Neil D Young, Andreas J Stroehlein, Ross S Hall, Anson V Koehler, Andreas Hofmann, Robin B Gasser
In this study, we explored the molecular alterations in the developmental switch from the L3 to the exsheathed L3 (×L3) and to the L4 stage of Haemonchus contortus in vitro using an integrated transcriptomic, proteomic and bioinformatic approach. Totals of 9,754 mRNAs, 88 microRNAs (miRNAs) and 1,591 proteins were identified, and 6,686 miRNA-mRNA pairs inferred in all larval stages studied. Approximately 16% of transcripts in the combined transcriptome (representing all three larval stages) were expressed as proteins, and there were positive correlations (r = 0...
May 22, 2018: International Journal for Parasitology
https://www.readbyqxmd.com/read/29792590/altererythrobacter-flavus-sp-nov-isolated-from-mangrove-sediment
#7
Hui Ma, Hao Ren, Lingfeng Huang, Yuanrong Luo
A Gram-negative, aerobic, non-motile, rod-shaped bacterium, designated MS1-4T , was isolated from mangrove sediment of the Jiulong River Estuary, Fujian Province, China. The isolate formed yellow colonies on ZB 2216E agar. Optimal growth was observed at pH 6.0, at 34 °C and in the presence of 4 % (w/v) NaCl. Strain MS1-4T shared highest 16S rRNA gene sequence similarity of 97.7 % with Altererythrobacter mangrovi C9-11T , followed by Altererythrobacter ishigakiensis JPCCMB0017T (97.2 %). Phylogenetic analysis indicated that strain MS1-4T formed a clade with A...
May 24, 2018: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/29792584/neonatal-intake-of-oleanolic-acid-attenuates-the-subsequent-development-of-high-fructose-diet-induced-non-alcoholic-fatty-liver-disease-in-rats
#8
T T Nyakudya, E Mukwevho, P Nkomozepi, K H Erlwanger
Dietary manipulations during the early postnatal period are associated with the development of metabolic disorders including non-alcoholic fatty liver disease (NAFLD) or long-term protection against metabolic dysfunction. We investigated the potential hepatoprotective effects of neonatal administration of oleanolic acid (OA), a phytochemical, on the subsequent development in adulthood, of dietary fructose-induced NAFLD. Male and female suckling rats (n=112) were gavaged with; distilled water (DW), OA (60 mg/kg), high fructose solution (HF; 20% w/v) and OA+HF (OAHF) for 7 days...
May 24, 2018: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/29792205/distinct-correlations-between-lipogenic-gene-expression-and-fatty-acid-composition-of-subcutaneous-fat-among-cattle-breeds
#9
David Gamarra, Noelia Aldai, Aisaku Arakawa, Luis Javier R Barron, Andrés López-Oceja, Marian M de Pancorbo, Masaaki Taniguchi
BACKGROUND: The fatty acid (FA) composition of adipose tissue influences the nutritional quality of meat products. The unsaturation level of FAs is determined by fatty acid desaturases such as stearoyl-CoA desaturases (SCDs), which are under control of the transcription factor sterol regulatory element-binding protein (SREBP). Differences in SCD genotype may thus confer variations in lipid metabolism and FA content among cattle breeds. This study investigated correlations between FA composition and lipogenic gene expression levels in the subcutaneous adipose tissue of beef cattle breeds of different gender from the Basque region of northern Spain...
May 23, 2018: BMC Veterinary Research
https://www.readbyqxmd.com/read/29792171/embryonic-transcriptome-and-proteome-analyses-on-hepatic-lipid-metabolism-in-chickens-divergently-selected-for-abdominal-fat-content
#10
Wei Na, Yuan-Yuan Wu, Peng-Fei Gong, Chun-Yan Wu, Bo-Han Cheng, Yu-Xiang Wang, Ning Wang, Zhi-Qiang Du, Hui Li
BACKGROUND: In avian species, liver is the main site of de novo lipogenesis, and hepatic lipid metabolism relates closely to adipose fat deposition. Using our fat and lean chicken lines of striking differences in abdominal fat content, post-hatch lipid metabolism in both liver and adipose tissues has been studied extensively. However, whether molecular discrepancy for hepatic lipid metabolism exists in chicken embryos remains obscure. RESULTS: We performed transcriptome and proteome profiling on chicken livers at five embryonic stages (E7, E12, E14, E17 and E21) between the fat and lean chicken lines...
May 23, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29791572/is-lipid-accumulation-product-associated-with-an-atherogenic-lipoprotein-profile-in-brazilian-subjects
#11
Flavia De Conti Cartolano, Caroline Pappiani, Maria Camila Prupper de Freitas, Antonio M Figueiredo Neto, Antônio Augusto Ferreira Carioca, Nágila Raquel Teixeira Damasceno
BACKGROUND: Lipid accumulation product (LAP), a simple and low-cost tool, is a novel biomarker of central lipid accumulation and represents a potential surrogate marker for atherogenic lipoprotein profile. However, its association with lipoprotein subfractions has not been described in the literature. OBJECTIVE: To determine whether LAP index could be used as a marker of low- and high-density lipoprotein (LDL and HDL) size in Brazilian individuals. METHODS: This cross-sectional study included patients (n = 351) of both sexes and age between 30-74 years...
April 2018: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/29790926/bathyarchaeota-globally-distributed-metabolic-generalists-in-anoxic-environments
#12
Zhichao Zhou, Jie Pan, Fengping Wang, Ji-Dong Gu, Meng Li
Bathyarchaeota, formerly known as the Miscellaneous Crenarchaeotal Group, is a phylum of global generalists that are widespread in anoxic sediments, which host relatively high abundant archaeal communities. Until now, 25 subgroups have been identified in the Bathyarchaeota. The distinct bathyarchaeotal subgroups diverged to adapt to the marine and freshwater environments. Based on the physiological and genomic evidence, acetyl-CoA centralized heterotrophic pathways of energy conservation have been proposed to function in Bathyarchaeota; these microbes are able to anaerobically utilize (i) detrital proteins, (ii) polymeric carbohydrates, (iii) fatty acids/aromatic compounds, (iv) methane (or short chain alkane) and methylated compounds, (v) and/or potentially other organic matter...
May 21, 2018: FEMS Microbiology Reviews
https://www.readbyqxmd.com/read/29790846/salipaludibacillus-halalkaliphilus-sp-nov-a-moderately-haloalkaliphilic-bacterium-from-a-coastal-marine-wetland
#13
Mohammad Ali Amoozegar, Azadeh Shahinpei, Somaye Makzum, Shokufeh Rafieyan, Mahdi Moshtaghi Nikou, Cathrin Spröer, Antonio Ventosa
A Gram-stain-positive, endospore-forming rod-shaped non-motile, moderately halophilic and alkaliphilic bacterium, strain GASy1T , was isolated from a water sample from Gomishan, a marine wetland in Iran. GASy1T required at least 0.5 % (w/v) NaCl for growth and was able to grow at NaCl concentrations of up to 15 % (w/v), with optimum growth occurring at 5 % (w/v) NaCl. The optimum pH and temperature for growth were pH 8.5-9.0 and 30 °C, respectively, while it was able to grow over a pH range and a temperature range of 7...
May 23, 2018: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/29790685/f2-isoprostanes-and-f4-neuroprostanes-as-markers-of-intracranial-aneurysm-development
#14
Anna Syta-Krzyżanowska, Iwona Jarocka-Karpowicz, Jan Kochanowicz, Grzegorz Turek, Robert Rutkowski, Krzysztof Gorbacz, Zenon Mariak, Elżbieta Skrzydlewska
BACKGROUND: Intracranial aneurysms are common, occurring in about 1-2% of the population. Saccular aneurysm is a pouch-like pathological dilatation of an intracranial artery that develops when the cerebral artery wall becomes too weak to resist hemodynamic pressure and distends. OBJECTIVES: The aim of this study was to determine whether the development of intracranial aneurysms and subarachnoid hemorrhage (SAH) affects neuronal phospholipid metabolism, and what influence different invasive treatments have on brain free radical phospholipid metabolism...
April 24, 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/29790624/effects-of-rearing-system-on-meat-quality-fatty-acid-and-amino-acid-profiles-of-hu-lambs
#15
Jianmin Chai, Qiyu Diao, Jiangchao Zhao, Haichao Wang, Kaidong Deng, Minli Qi, Mingfei Nie, Naifeng Zhang
To determine the effects of early rearing system on meat quality traits, fatty acid and amino acid profiles of meat, 48 Hu lambs were selected and randomly divided into four treatments: control lambs were ewe-reared from birth to 60 days of age (ER), while treatment lambs were segregated from their dams at 10, 20 and 30 days of age, then artificially reared with milk replacer until 60 days of age (EW10, EW20 and EW30, respectively). All lambs had no access to the milk replacer or their dams from 61 to 90 days...
May 23, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29790582/acetyl-coa-carboxylase-inhibition-reverses-nafld-and-hepatic-insulin-resistance-but-promotes-hypertriglyceridemia-in-rodents
#16
Leigh Goedeke, Jamie Bates, Daniel F Vatner, Rachel J Perry, Ting Wang, Ricardo Ramirez, Li Li, Matthew W Ellis, Dongyan Zhang, Kari E Wong, Carine Beysen, Gary W Cline, Adrian S Ray, Gerald I Shulman
Pharmacologic inhibition of acetyl-CoA carboxylase (ACC) enzymes, ACC1 and ACC2, offers an attractive therapeutic strategy for non-alcoholic fatty liver disease (NAFLD) via simultaneous inhibition of fatty acid synthesis and stimulation of fatty acid oxidation. However, the effects of ACC inhibition on hepatic mitochondrial oxidation, anaplerosis, and ketogenesis in vivo are unknown. Here, we evaluated the impact of a novel liver-directed allosteric inhibitor of ACC1 and ACC2 (Compound 1) on these parameters, as well as glucose and lipid metabolism, in control and diet-induced rodent models of NAFLD...
May 23, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29790452/does-biological-sex-impact-intestinal-epithelial-injury-small-intestine-permeability-gastrointestinal-symptoms-and-systemic-cytokine-profile-in-response-to-exertional-heat-stress
#17
Rhiannon M J Snipe, Ricardo J S Costa
This study aimed to determine the influence of biological sex on intestinal injury, permeability, gastrointestinal symptoms, and systemic cytokine profile in response to exertional-heat stress. Male (n= 13) and eumenorrheic female (n= 11) endurance runners completed 2 h running at 60% V̇O2max in 35°C. Blood samples were collected pre- and post-exercise and during recovery to determine plasma intestinal fatty-acid binding protein (I-FABP) and systemic cytokine profile. Urinary lactulose:L-rhamnose ratio was used to determine small intestine permeability...
May 23, 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29790384/is-gestational-diabetes-mellitus-in-obese-women-predicted-by-oxidative-damage-in-red-blood-cells
#18
Guadalupe León-Reyes, Alberto Martín Guzmán-Grenfell, Rafael Medina-Navarro, Araceli Montoya-Estrada, Mario Adán Moreno-Eutimio, Silvia Fuentes-García, Otilia Perichart Perera, Cinthya Muñoz-Manrique, Salvador Espino Y Sosa, Juan José Hicks G, Yessica Dorin Torres-Ramos
Obesity in pregnant women has been associated with an increased risk of maternal complications, including gestational diabetes mellitus (GDM), a process that is related to oxidative stress (OS). To evaluate the biomarkers of OS in red blood cells (RBCs), we assigned 80 pregnant women to one of three groups: control (n = 28), overweight (n = 26) and obese (n = 26). Then, we measured in plasma, the levels of glucose, triacylglycerol (TAG), insulin, free fatty acids (FFAs), leptin and cytokines (e...
May 23, 2018: Gynecological Endocrinology
https://www.readbyqxmd.com/read/29790245/p465l-ppar%C3%AE-mutation-confers-partial-resistance-to-the-hypolipidemic-action-of-fibrates
#19
Sergio Rodriguez-Cuenca, Stefania Carobbio, Gwendolyn Barceló-Coblijn, Xavier Prieur, Joana Relat, Ramon Amat, Mark Campbell, Ana Rita Dias, Myriam Bahri, Sarah L Gray, Antonio Vidal-Puig
Familial partial lipodystrophic syndrome 3 (FPLD3) is associated with mutations in the transcription factor PPARγ. One of these mutations, the P467L, confers a dominant negative effect. We and others have previously investigated the pathophysiology associated to this mutation using a humanised mouse model that recapitulates most of the clinical symptoms observed in patients when phenotyped under different experimental conditions. One of the key clinical manifestations observed both, in humans and mouse models, is the ectopic accumulation of fat in the liver...
May 22, 2018: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/29790117/regulatory-roles-of-mir-155-and-let-7b-on-the-expression-of-inflammation-related-genes-in-thp-1-cells-effects-of-fatty-acids
#20
J L Marques-Rocha, M Garcia-Lacarte, M Samblas, J Bressan, J A Martínez, F I Milagro
The main aim of this investigation was to study the regulatory roles of let-7b and miR-155-3p on the expression of inflammation-associated genes in monocytes, macrophages, and lipopolysaccharide (LPS)-activated macrophages (AcM). A second goal was to analyze the potential modulatory roles of different fatty acids, including oleic, palmitic, eicosapentaenoic (EPA), and docosahexaenoic (DHA), on the expression of these miRNAs in the three cell types. This hypothesis was tested in human acute monocytic leukemia cells (THP-1), which were differentiated into macrophages with 2-O-tetradecanoylphorbol-13-acetate (TPA) and further activated with LPS for 24 h...
May 22, 2018: Journal of Physiology and Biochemistry
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