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Increased metabolism

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https://www.readbyqxmd.com/read/28335560/serum-amyloid-a-production-is-triggered-by-sleep-deprivation-in-mice-and-humans-is-that-the-link-between-sleep-loss-and-associated-comorbidities
#1
Edson M de Oliveira, Bruna Visniauskas, Sergio Tufik, Monica L Andersen, Jair R Chagas, Ana Campa
Serum amyloid A (SAA) was recently associated with metabolic endotoxemia, obesity and insulin resistance. Concurrently, insufficient sleep adversely affects metabolic health and is an independent predisposing factor for obesity and insulin resistance. In this study we investigated whether sleep loss modulates SAA production. The serum SAA concentration increased in C57BL/6 mice subjected to sleep restriction (SR) for 15 days or to paradoxical sleep deprivation (PSD) for 72 h. Sleep restriction also induced the upregulation of Saa1...
March 21, 2017: Nutrients
https://www.readbyqxmd.com/read/28335489/effects-of-the-mediterranean-diet-before-and-after-weight-loss-on-eating-behavioral-traits-in-men-with-metabolic-syndrome
#2
Élise Carbonneau, Marie-Michelle Royer, Caroline Richard, Patrick Couture, Sophie Desroches, Simone Lemieux, Benoît Lamarche
The objective of this study was to investigate the impact of the Mediterranean diet (MedDiet) consumed before and after weight loss on eating behavioral traits as measured by the Three-Factor Eating Questionnaire (TFEQ) in men with metabolic syndrome (MetS). In this fixed sequence study, 19 men with MetS (National Cholesterol Education Program-Adult Treatment Panel III (NCEP-ATPIII) criteria), aged between 24 and 62 years, first consumed a five-week standardized North American control diet followed by a five-week MedDiet, both under weight-maintaining controlled-feeding conditions...
March 19, 2017: Nutrients
https://www.readbyqxmd.com/read/28335485/intra-amniotic-administration-of-raffinose-and-stachyose-affects-the-intestinal-brush-border-functionality-and-alters-gut-microflora-populations
#3
Sarina Pacifici, Jaehong Song, Cathy Zhang, Qiaoye Wang, Raymond P Glahn, Nikolai Kolba, Elad Tako
This study investigates the effectiveness of two types of prebiotics-stachyose and raffinose-which are present in staple food crops that are widely consumed in regions where dietary Fe deficiency is a health concern. The hypothesis is that these prebiotics will improve Fe status, intestinal functionality, and increase health-promoting bacterial populations in vivo (Gallus gallus). By using the intra-amniotic administration procedure, prebiotic treatment solutions were injected in ovo (day 17 of embryonic incubation) with varying concentrations of a 1...
March 19, 2017: Nutrients
https://www.readbyqxmd.com/read/28335448/a-community-multi-omics-approach-towards-the-assessment-of-surface-water-quality-in-an-urban-river-system
#4
David J Beale, Avinash V Karpe, Warish Ahmed, Stephen Cook, Paul D Morrison, Christopher Staley, Michael J Sadowsky, Enzo A Palombo
A multi-omics approach was applied to an urban river system (the Brisbane River (BR), Queensland, Australia) in order to investigate surface water quality and characterize the bacterial population with respect to water contaminants. To do this, bacterial metagenomic amplicon-sequencing using Illumina next-generation sequencing (NGS) of the V5-V6 hypervariable regions of the 16S rRNA gene and untargeted community metabolomics using gas chromatography coupled with mass spectrometry (GC-MS) were utilized. The multi-omics data, in combination with fecal indicator bacteria (FIB) counts, trace metal concentrations (by inductively coupled plasma mass spectrometry (ICP-MS)) and in-situ water quality measurements collected from various locations along the BR were then used to assess the health of the river ecosystem...
March 14, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28335447/transcriptomic-complexity-of-aspergillus-terreus-velvet-gene-family-under-the-influence-of-butyrolactone-i
#5
Elina K Palonen, Sheetal Raina, Annika Brandt, Jussi Meriluoto, Tajalli Keshavarz, Juhani T Soini
Filamentous fungi of the Ascomycota phylum are known to contain a family of conserved conidiation regulating proteins with distinctive velvet domains. In Aspergilli, this velvet family includes four proteins, VeA, VelB, VelC and VosA, and is involved in conidiation and secondary metabolism along with a global regulator LaeA. In A. terreus, the overexpression of LaeA has been observed to increase the biogenesis of the pharmaceutically-important secondary metabolite, lovastatin, while the role of the velvet family has not been studied...
March 14, 2017: Microorganisms
https://www.readbyqxmd.com/read/28335097/effects-of-dietary-forage-to-concentrate-ratio-on-nutrient-digestibility-and-enteric-methane-production-in-growing-goats-capra-hircus-hircus-and-sika-deer-cervus-nippon-hortulorum
#6
Youngjun Na, Dong Hua Li, Sang Rak Lee
Two experiments were conducted to determine the effects of forage-to-concentrate (F:C) ratio on the nutrient digestibility and enteric methane (CH4) emission in growing goats and Sika deer. Three male growing goats (BW = 19.0 ± 0.7 kg) and three male growing deer (BW = 19.3 ± 1.2 kg) were respectively allotted to a 3 × 3 Latin square design with an adaptation period of 7 d and a data collection period of 3 d. Respiration-metabolism chambers were used for measuring the enteric CH4 emission. Treatments of low (25:75), moderate (50:50), and high (73:27) F:C ratios were given to both goats and Sika deer...
March 21, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28335087/ursolic-acid-and-mechanisms-of-actions-on-adipose-and-muscle-tissue-a-systematic-review
#7
REVIEW
Carlos K Katashima, Vagner R Silva, Tatyanne L Gomes, Claude Pichard, Gustavo D Pimentel
This systematic review aimed at addressing the ursolic acid actions as an adjunctive treatment of the obesity-mediated metabolic abnormalities. To explore our aims, we used the literature search including clinical and animal studies using the Medline and Google Scholar (up to December 2015). Out of 63 screened studies, 17 presented eligibility criteria, such as the use of ursolic acid on adiposity, energy expenditure and skeletal muscle mass in mice and humans. In the literature, we found that several physiological and molecular mechanisms are implicated in the effects of ursolic acid on obesity, energy expenditure, hepatic steatosis, skeletal muscle mass loss and physical fitness, such as (1) increase of thermogenesis by modulation adipocyte transcription factors, activation of 5' adenosine monophosphate-activated protein kinase and overexpression of the uncoupling protein 1 thermogenic marker; (2) enhancement of skeletal muscle mass by activation in bloodstream growth hormone and insulin-like growth factor-1 concentrations secretion, as well as in the activation of mammalian target of rapamycin and inhibition of ring-finger protein-1; and (3) improvement of physical fitness by skeletal muscle proliferator-activated receptor gamma co-activator alpha and sirtuin 1 expression...
March 23, 2017: Obesity Reviews: An Official Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28335075/breastmilk-with-a-high-omega-6-to-omega-3-fatty-acid-ratio-induced-cellular-events-similar-to-insulin-resistance-and-obesity-in-3t3-l1-adipocytes
#8
H Vaidya, S K Cheema
BACKGROUND: An imbalance of omega (n)-3 and n-6 polyunsaturated fatty acids (PUFA) during critical periods of development may have adverse effects on the health of the newborn in later life. OBJECTIVES: We hypothesized that breastmilk with higher n-6 to n-3 PUFA ratio will have higher inflammatory cytokines and initiate cellular events similar to insulin resistance and obesity. METHODS: Breastmilk was collected from healthy women who gave natural birth at full term...
March 23, 2017: Pediatric Obesity
https://www.readbyqxmd.com/read/28335027/a-transposon-derived-small-rna-regulates-gene-expression-in-salmonella-typhimurium
#9
Michael J Ellis, Ryan S Trussler, Onella Charles, David B Haniford
Bacterial sRNAs play an important role in regulating many cellular processes including metabolism, outer membrane homeostasis and virulence. Although sRNAs were initially found in intergenic regions, there is emerging evidence that protein coding regions of the genome are a rich reservoir of sRNAs. Here we report that the 5΄UTR of IS200 transposase mRNA (tnpA) is processed to produce regulatory RNAs that affect expression of over 70 genes in Salmonella Typhimurium. We provide evidence that the tnpA derived sRNA base-pairs with invF mRNA to repress expression...
February 21, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28334921/internal-hydrolysis-indicator-for-sample-specific-monitoring-of-%C3%AE-glucuronidase-activity
#10
Lacy L Taylor, Noah A Flint, Vinh Ma, Brandy M Hill, Chantry J Clark, Frederick G Strathmann
Metabolized forms of benzodiazepines (benzos) can cause issues with mass spectrometry identification. Benzodiazepines undergo a process called glucuronidation during metabolism that attaches a glucuronic acid for increased solubility. Often in clinical testing an enzymatic hydrolysis step is implemented to increase the sensitivity of benzodiazepines by hydrolyzing β-D-glucuronic acid from benzodiazepine-glucuronide conjugates in urine samples using the β-Glucuronidase enzyme. In this study resorufin β-D-glucuronide, a substrate of the β-Glucuronidase enzyme, was added to patient samples to determine if proper hydrolysis had occurred...
March 18, 2017: Journal of Analytical Toxicology
https://www.readbyqxmd.com/read/28334913/tdp-43-mutations-causing-amyotrophic-lateral-sclerosis-are-associated-with-altered-expression-of-rna-binding-protein-hnrnp-k-and-affect-the-nrf2-antioxidant-pathway
#11
Diane Moujalled, Alexandra Grubman, Karla Acevedo, Shu Yang, Yazi D Ke, Donia M Moujalled, Clare Duncan, Aphrodite Caragounis, Nirma D Perera, Bradley J Turner, Mercedes Prudencio, Leonard Petrucelli, Ian Blair, Lars M Ittner, Peter J Crouch, Jeffrey R Liddell, Anthony R White
TAR DNA binding protein 43 (TDP-43) is a major disease-associated protein involved in the pathogenesis of amyotrophic lateral sclerosis (ALS) and frontotemporal lobar degeneration with ubiquitin-positive inclusions (FTLD-U). Our previous studies found a direct association between TDP-43 and heterogeneous nuclear ribonucleoprotein K (hnRNP K). In this study, utilizing ALS patient fibroblasts harboring a TDP-43M337V mutation and NSC-34 motor neuronal cell line expressing TDP-43Q331K mutation, we show that hnRNP K expression is impaired in urea soluble extracts from mutant TDP-43 cell models...
March 9, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28334792/gwas-identifies-population-specific-new-regulatory-variants-in-fut6-associated-with-plasma-b12-concentrations-in-indians
#12
Suraj S Nongmaithem, Charudatta V Joglekar, Ghattu V Krishnaveni, Sirazul A Sahariah, Meraj Ahmad, Swetha Ramachandran, Meera Gandhi, Harsha Chopra, Anand Pandit, Ramesh D Potdar, Caroline Hd Fall, Chittaranjan S Yajnik, Giriraj R Chandak
Vitamin B12 is an important cofactor in one-carbon metabolism whose dysregulation is associated with various clinical conditions. Indians have a high prevalence of B12 deficiency but little is known about the genetic determinants of circulating B12 concentrations in Indians. We performed a genome-wide association study in 1001 healthy participants in the Pune Maternal Nutrition Study (PMNS), replication studies in 3418 individuals from other Indian cohorts and by meta-analysis identified new variants, rs3760775 (p = 1...
February 27, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28334683/combined-metformin-and-insulin-treatment-reverses-metabolically-impaired-omental-adipogenesis-and-accumulation-of-4-hydroxynonenal-in-obese-diabetic-patients
#13
Morana Jaganjac, Shamma Almuraikhy, Fatima Al-Khelaifi, Mashael Al-Jaber, Moataz Bashah, Nayef A Mazloum, Kamelija Zarkovic, Neven Zarkovic, Georg Waeg, Wael Kafienah, Mohamed A Elrayess
OBJECTIVE: Obesity-associated impaired fat accumulation in the visceral adipose tissue can lead to ectopic fat deposition and increased risk of insulin resistance and type 2 diabetes mellitus (T2DM). This study investigated whether impaired adipogenesis of omental (OM) adipose tissues and elevated 4-hydroxynonenal (4-HNE) accumulation contribute to this process, and if combined metformin and insulin treatment in T2DM patients could rescue this phenotype. METHODS: OM adipose tissues were obtained from forty clinically well characterized obese individuals during weight reduction surgery...
March 16, 2017: Redox Biology
https://www.readbyqxmd.com/read/28334672/effects-of-4-mbc-and-triclosan-in-embryos-of-the-frog-pelophylax-perezi
#14
Diana Martins, Marta S Monteiro, Amadeu M V M Soares, Carla Quintaneiro
The widespread and increasing use of personal care products (PCPs) have led to environmental contamination by substances included in these products. These substances have been detected in aquatic compartments and shown to cause adverse effects on non-target aquatic organisms. In this work toxicity of the antimicrobial triclosan (TCS) and of the UV-filter 3-(4-methylbenzylidene) camphor (4-MBC) was assessed in the embryos of Perez' frog Pelophylax perezi. Lethal and sub-lethal parameters were evaluated in embryos in Gosner stage 8-9 exposed to 0...
March 15, 2017: Chemosphere
https://www.readbyqxmd.com/read/28334509/disturbed-testicular-expression-of-the-estrogen-metabolizing-enzymes-cyp1a1-and-comt-in-infertile-men-with-primary-spermatogenic-failure-possible-negative-implications-on-sertoli-cells
#15
A Parada-Bustamante, C Molina, C Valencia, M Flórez, M C Lardone, F Argandoña, A Piottante, M Ebensperguer, P A Orihuela, A Castro
Estradiol (E2 ) is normally metabolized to hydroxyestradiols and methoxyestradiols by CYP1A1, CYP1B1 and COMT. However, an altered production of these metabolites by a disturbed expression of these enzymes is associated with reproductive and non-reproductive pathologies. In vitro studies suggest that increased hydroxyestradiols and methoxyestradiols intratesticular generation is related to male infertility, but no studies have explored whether infertile men have a disturbed testicular expression of the enzymes that generate these E2 metabolites...
March 23, 2017: Andrology
https://www.readbyqxmd.com/read/28334508/dietary-fatty-acids-influence-sperm-quality-and-function
#16
A Ferramosca, N Moscatelli, M Di Giacomo, V Zara
Recently, obesity has been linked to male infertility. In animal models the administration of a high-fat diet caused a reduction in sperm quality, by impairing gamete energy metabolism. The aim of this study was to investigate a possible effect of dietary fatty acids supplementation in the modulation of sperm energy metabolism and, in turn, in the improvement of sperm quality in rats fed a high-fat diet. Sexually mature male Sprague-Dawley rats were divided into four groups and fed for 4 weeks a standard diet (control group), a high-fat diet (enriched in 35% of fat and 15% sucrose), a high-fat diet supplemented with 2...
March 23, 2017: Andrology
https://www.readbyqxmd.com/read/28334355/a-zoom-focus-algorithm-zfa-to-locate-the-optimal-testing-region-for-rare-variant-association-tests
#17
Maggie Haitian Wang, Haoyi Weng, Rui Sun, Jack Lee, William Ka Kei Wu, Ka Chun Chong, Benny Chung-Ying Zee
Motivation: Increasing amounts of whole exome or genome sequencing data present the challenge of analysing rare variants with extremely small minor allele frequencies. Various statistical tests have been proposed, which are specifically configured to increase power for rare variants by conducting the test within a certain bin, such as a gene or a pathway. However, a gene may contain from several to thousands of markers, and not all of them are related to the phenotype. Combining functional and non-functional variants in an arbitrary genomic region could impair the testing power...
March 11, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28334275/identification-of-a-novel-bzip-transcription-factor-in-camellia-sinensis-as-a-negative-regulator-of-freezing-tolerance-in-transgenic-arabidopsis
#18
Lu Wang, Hongli Cao, Wenjun Qian, Lina Yao, Xinyuan Hao, Nana Li, Yajun Yang, Xinchao Wang
Background and Aims: Basic region/leucine zipper (bZIP) transcription factors play vital roles in the abiotic stress response of plants. However, little is known about the function of bZIP genes in Camellia sinensis . Methods: CsbZIP6 was overexpressed in Arabidopsis thaliana . Effects of CsbZIP6 overexpression on abscisic acid (ABA) sensitivity, freezing tolerance and the expression of cold-responsive genes in arabidopsis were studied. Key Results: CsbZIP6 was induced during cold acclimation in tea plant...
March 14, 2017: Annals of Botany
https://www.readbyqxmd.com/read/28334272/17%C3%AE-estradiol-induced-acsl4-protein-expression-promotes-an-invasive-phenotype-in-estrogen-receptor-positive-mammary-carcinoma-cells
#19
Anissa Belkaid, Rodney J Ouellette, Marc E Surette
Long chain acyl-CoA synthase-4 (ACSL4) expression has been associated with an aggressive phenotype in breast carcinoma cells, whereas its role in ERα-positive breast cancer has not been studied. ACSL4 prefers 20-carbon polyunsaturated fatty acid (PUFA) substrates, and along with other ACSLs has been associated with cellular uptake of exogenous fatty acids. 17β-estradiol induces proliferation and invasive capacities in ERα+ve breast carcinoma that is associated with modifications of cellular lipid metabolism...
March 10, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28334215/systematic-inference-of-functional-phosphorylation-events-in-yeast-metabolism
#20
Yu Chen, Yonghong Wang, Jens Nielsen
Motivation: Protein phosphorylation is a post-translational modification that affects proteins by changing their structure and conformation in a rapid and reversible way, and it is an important mechanism for metabolic regulation in cells. Phosphoproteomics enables high-throughput identification of phosphorylation events on metabolic enzymes, but identifying functional phosphorylation events still requires more detailed biochemical characterization. Therefore, development of computational methods for investigating unknown functions of a large number of phosphorylation events identified by phosphoproteomics has received increased attention...
March 2, 2017: Bioinformatics
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