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basal metabolism

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https://www.readbyqxmd.com/read/29163454/low-molecular-weight-chitosan-supplementation-increases-the-population-of-prevotella-in-the-cecal-contents-of-weanling-pigs
#1
Ting Yu, Yu Wang, Shicheng Chen, Min Hu, Zhiling Wang, Guozhong Wu, Xianyong Ma, Zhuang Chen, Chuntian Zheng
Low-molecular-weight chitosan (LC) promoted growth in weaned piglets as an alternative to feed-grade antibiotics. To investigate the influence of LC supplementation on piglets' gut microbiome and compare the differences in community composition between LC and antibiotics with ZnO addition, we assessed the cecal microbial community by 16S rRNA gene sequencing with three treatments consisting of basal diet (CTR group), basal diet with low-molecular-weight chitosan (LC group), and basal diet with antibiotic and ZnO (AZ group)...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29163230/physiological-levels-of-nitric-oxide-diminish-mitochondrial-superoxide-potential-role-of-mitochondrial-dinitrosyl-iron-complexes-and-nitrosothiols
#2
Sergey I Dikalov, Vladimir I Mayorov, Alexander V Panov
Mitochondria are the major source of superoxide radicals and superoxide overproduction contributes to cardiovascular diseases and metabolic disorders. Endothelial dysfunction and diminished nitric oxide levels are early steps in the development of these pathological conditions. It is known that physiological production of nitric oxide reduces oxidative stress and inflammation, however, the precise mechanism of "antioxidant" effect of nitric oxide is not clear. In this work we tested the hypothesis that physiological levels of nitric oxide diminish mitochondrial superoxide production without inhibition of mitochondrial respiration...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29162656/leishmania-labcg2-transporter-is-involved-in-atp-dependent-transport-of-thiols
#3
Ana Perea, José Ignacio Manzano, Yasuhisa Kimura, Kazumitsu Ueda, Santiago Castanys, Francisco Gamarro
The Leishmania LABCG2 transporter has a key role in the redox metabolism of these protozoan parasites. Recently, it has been described the involvement of LABCG2 in virulence, autophagy and oxidative stress. Null mutant parasites for LABCG2 present an increase in the intracellular levels of glutathione (GSH) and trypanothione [T(SH)2]. On the other hand, parasites overexpressing LABCG2 transporter export non-protein thiols to the extracellular medium. In order to explore if LABCG2 may mediate an active transport of non-protein thiols, the effect of these molecules on ATPase activity of LABCG2 as well as the ability of LABCG2 to transport them was determined using a baculovirus-Sf9 insect cell system...
November 21, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/29160415/interregional-correlations-of-glucose-metabolism-between-the-basal-ganglia-and-different-cortical-areas-an-ultra-high-resolution-pet-mri-fusion-study-using-18f-fdg
#4
J H Kim, Y D Son, J M Kim, H K Kim, Y B Kim, C Lee, C H Oh
Basal ganglia have complex functional connections with the cerebral cortex and are involved in motor control, executive functions of the forebrain, such as the planning of movement, and cognitive behaviors based on their connections. The aim of this study was to provide detailed functional correlation patterns between the basal ganglia and cerebral cortex by conducting an interregional correlation analysis of the 18F-fluorodeoxyglucose (18F-FDG) positron emission tomography (PET) data based on precise structural information...
November 13, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/29160303/the-pnpla3-i148m-variant-is-associated-with-transaminase-elevations-in-type-2-diabetes-patients-treated-with-basal-insulin-peglispro
#5
S Pillai, S Duvvuru, P Bhatnagar, W Foster, M Farmen, S Shankar, C Harris, E Bastyr, B Hoogwerf, A Haupt
Basal insulin peglispro (BIL) is a novel insulin with hepato-preferential action. In phase 3 trials, BIL showed significantly improved glycemic control but higher levels of transaminases (alanine aminotransferase (ALT) and aspartate aminotransferase (AST)), triglycerides (TGs) and liver fat content (LFC) compared with insulin glargine (GL). As variants in PNPLA3 (I148M) and TM6SF2 (E167K) are associated with nonalcoholic fatty liver disease, we assessed these variants in type 2 diabetes (T2D) patients randomized to receive BIL (n=1822) or GL (n=1270) in three phase 3 trials...
November 21, 2017: Pharmacogenomics Journal
https://www.readbyqxmd.com/read/29159047/voxel-based-comparison-of-brain-glucose-metabolism-between-patients-with-cushing-s-disease-and-healthy-subjects
#6
Shuai Liu, Yinyan Wang, Kaibin Xu, Fan Ping, Fang Li, Renzhi Wang, Xin Cheng
Cognitive impairment and psychiatric symptoms are common in patients with Cushing's disease (CD) owing to elevated levels of glucocorticoids. Molecular neuroimaging methods may help to detect changes in the brain of patients with CD. The aim of this study was to investigate the characteristics of brain metabolism and its association with serum cortisol level in CD. We compared brain metabolism, as measured using [(18)F]-fluorodeoxyglucose positron emission tomography (FDG PET), between 92 patients with CD and 118 normal subjects on a voxel-wise basis...
2018: NeuroImage: Clinical
https://www.readbyqxmd.com/read/29157780/growth-hormone-gh-and-prolactin-responses-to-a-non-exercise-stress-test-in-athletes-with-overtraining-syndrome-results-from-the-endocrine-and-metabolic-responses-on-overtraining-syndrome-eros-eros-stress
#7
Flavio A Cadegiani, Claudio E Kater
OBJECTIVES: Overtraining syndrome (OTS) leads to worsened sports performance and fatigue. The pathophysiology of OTS has not been entirely elucidated, and there is a lack of accurate markers for its diagnosis. Changes in hormonal responses implicated in OTS were stimulated by exercise, which has limited their interpretation. Hence, we aimed to evaluate growth hormone (GH) and prolactin responses to a gold-standard and exercise-independent stimulation test, the insulin tolerance test (ITT)...
November 16, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29155610/seasonal-and-sexual-variation-in-metabolism-thermoregulation-and-hormones-in-the-big-brown-bat-eptesicus-fuscus
#8
Christopher S Richardson, Tim Heeren, Thomas H Kunz
In response to seasonal variation in energy availability and thermal environment, physiological and endocrine mechanisms have evolved in temperate zone animals. Seasonal changes in hormone activity affect metabolism, body temperature, and reproductive activity. We examined the seasonal regulatory role of hormones on basal metabolic rate (BMR) and regulatory nonshivering thermogenesis (RNST) in 98 female and 17 male adult Eptesicus fuscus (big brown bat). We measured BMR, RNST, and plasma levels of thyroid hormone (T3), leptin, and cortisol in bats captured in maternity colonies in eastern Massachusetts from May to August (from arousal from the hibernation phase to the prehibernation phase)...
January 2018: Physiological and Biochemical Zoology: PBZ
https://www.readbyqxmd.com/read/29153556/fatty-acids-in-nephrotic-syndrome-and-chronic-kidney-disease
#9
REVIEW
Stefano Turolo, Alberto Edefonti, Marie Louise Syren, Franca Marangoni, William Morello, Carlo Agostoni, Giovanni Montini
The role of fatty acids (FAs) in inflammation and in the related chronic diseases has been demonstrated. However, there is a lack of consistent and agreed knowledge about the role of FA profile and renal physiology and pathology, most articles focusing on the effect of polyunsaturated FAs supplementation, without considering the impact of basal FA metabolism on the efficacy of the supplementation. Here, we have summarized the specific literature concerning the assessment of circulating FA in 2 renal diseases, namely nephrotic syndrome and chronic kidney disease, also under hemodialytic treatment, and have received the most significant contributions in the last years...
November 16, 2017: Journal of Renal Nutrition
https://www.readbyqxmd.com/read/29150516/drna-seq-implicates-sulfide-as-master-regulator-of-s-0-metabolism-in-chlorobaculum-tepidum-and-other-green-sulfur-bacteria
#10
Jacob M Hilzinger, Vidhyavathi Raman, Kevin E Shuman, Brian J Eddie, Thomas E Hanson
The green sulfur bacteria (Chlorobiaceae) are anaerobes that use electrons from reduced sulfur compounds (sulfide, S(0), and thiosulfate) as electron donors for photoautotrophic growth. Chlorobaculum tepidum, the model system for the Chlorobiaceae, both produces and consumes extracellular S(0) globules depending on the availability of sulfide in the environment. These physiological changes imply significant changes in gene regulation, which has been observed when sulfide is added to Cba. tepidum growing on thiosulfate...
November 17, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/29150345/hydrostatic-pressure-as-epigenetic-modulator-in-chondrocyte-cultures-a-study-on-mirna-155-mirna-181a-and-mirna-223-expression-levels
#11
Anna De Palma, Sara Cheleschi, Nicola Antonio Pascarelli, Stefano Giannotti, Mauro Galeazzi, Antonella Fioravanti
Mechanical stimuli and hydrostatic pressure (HP) play an important role in the regulation of chondrocytes metabolism. Growing evidence demonstrated the ability of mechanical loading to modulate the expression of microRNA (miRNA) involved in chondrocytes homeostasis and in the pathogenesis of osteoarthritis (OA). The expression of miR-155, miR-181a and miR-223 in normal and OA chondrocyte cultures, and their potential modifications following exposure to three hours of a cyclic HP (1-5 MPa, frequency 0.25 Hz) were investigated...
November 7, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/29148069/long-term-oral-exposure-to-safe-dose-of-bisphenol-a-in-association-with-high-fat-diet-stimulate-the-prostatic-lesions-in-a-rodent-model-for-prostate-cancer
#12
Camila H Facina, Silvana G P Campos, Bianca F Gonçalves, Rejane M Góes, Patricia S L Vilamaior, Sebastião R Taboga
BACKGROUND: Studies have shown that exposure to environmental chemicals known as endocrine disruptors can cause permanent changes in genital organs, such as the prostate. Among these environmental chemicals stands out bisphenol A (BPA). Another factor associated with prostate changes is the consumption of a high-fat diet. Although the relationship between the consumption of a high-fat diet and an increased risk of prostate cancer is well established, the mechanisms that lead to the establishment of this disease are not completely understood, nor the simultaneous action of BPA and high-fat diet...
November 17, 2017: Prostate
https://www.readbyqxmd.com/read/29142243/genetic-risk-scores-for-body-fat-distribution-attenuate-weight-loss-in-women-during-dietary-intervention
#13
M Svendstrup, K H Allin, T I A Sørensen, T H Hansen, N Grarup, T Hansen, H Vestergaard
BACKGROUND AND AIM: The well-established link between body fat distribution and metabolic health has been suggested to act through an impact on the remodeling capacity of the adipose tissue. Remodeling of the adipose tissue has been shown to affect body fat distribution and might affect the ability to lose weight. We aimed to study the effect of weighted genetic risk scores (GRSs) on weight loss based on single-nucleotide polymorphisms (SNPs) associated with waist-hip-ratio adjusted for body mass index (WHRadjBMI)...
November 16, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/29139263/-next-generation-sequencing-and-transcriptome-analysis-of-root-bark-from-paeonia-suffruticosa-cv-feng-dan
#14
Dong-Mei Xie, Nian-Jun Yu, Lu-Qi Huang, Dai-Yin Peng, Cong-Bin Liu, Yue-Jian Zhu, Hao Huang
Moutan Cortex is an important traditional Chinese medicine, "Fengdan Pi" was known as Dao-di herbs from the root bark of Paeonia suffruticosa cv. Feng Dan for its extracted various active components. However, the genetic basis for their activity is virtually unknown. The transcriptome of the root bark from "Fengdan" was sequenced using the Illumina HiSeq 4000 sequencing platform. The clean reads were then de novo assembled into 72 997 unigenes. Among them, the number of unigenes which could been annotated by dataset Nr and GO was 41 139 and 34 592...
August 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29138306/key-metabolites-and-mechanistic-changes-for-salt-tolerance-in-an-experimentally-evolved-sulfate-reducing-bacterium-desulfovibrio-vulgaris
#15
Aifen Zhou, Rebecca Lau, Richard Baran, Jincai Ma, Frederick von Netzer, Weiling Shi, Drew Gorman-Lewis, Megan L Kempher, Zhili He, Yujia Qin, Zhou Shi, Grant M Zane, Liyou Wu, Benjamin P Bowen, Trent R Northen, Kristina L Hillesland, David A Stahl, Judy D Wall, Adam P Arkin, Jizhong Zhou
Rapid genetic and phenotypic adaptation of the sulfate-reducing bacterium Desulfovibrio vulgaris Hildenborough to salt stress was observed during experimental evolution. In order to identify key metabolites important for salt tolerance, a clone, ES10-5, which was isolated from population ES10 and allowed to experimentally evolve under salt stress for 5,000 generations, was analyzed and compared to clone ES9-11, which was isolated from population ES9 and had evolved under the same conditions for 1,200 generations...
November 14, 2017: MBio
https://www.readbyqxmd.com/read/29137417/inhibition-of-retinoic-acid-receptor-%C3%AE-signaling-confers-glycolytic-dependence-and-sensitization-to-dichloroacetate-in-melanoma-cells
#16
Cecilie Abildgaard, Christina Dahl, Ahmad Abdul-Al, Annette Christensen, Per Guldberg
Dysregulation of metabolism during melanoma progression is tightly associated with the acquisition of genetic and epigenetic alterations in regulators of metabolic pathways. Retinoic acid receptor beta (RARβ) is epigenetically silenced in a large proportion of melanomas, but a link between RARβ and metabolic rewiring of melanoma has not been established. Here, we show that in primary human melanocytes, all-trans retinoic acid (a RARβ agonist) induced growth inhibition accompanied by a decrease in both glycolytic and oxidative metabolism, whereas selective inhibition of RARβ led to an increase in the basal glycolytic rate and increased sensitivity to inhibition of glycolysis...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29137181/structure-and-functional-analysis-of-promoters-from-two-liver-isoforms-of-cpt-i-in-grass-carp-ctenopharyngodon-idella
#17
Yi-Huan Xu, Zhi Luo, Kun Wu, Yao-Fang Fan, Wen-Jing You, Li-Han Zhang
Carnitine palmitoyltransferase I (CPT I) is a key enzyme involved in the regulation of lipid metabolism and fatty acid β-oxidation. To understand the transcriptional mechanism of CPT Iα1b and CPT Iα2a genes, we cloned the 2695-bp and 2631-bp regions of CPT Iα1b and CPT Iα2a promoters of grass carp (Ctenopharyngodon idella), respectively, and explored the structure and functional characteristics of these promoters. CPT Iα1b had two transcription start sites (TSSs), while CPT Iα2a had only one TSS. DNase I foot printing showed that the CPT Iα1b promoter was AT-rich and TATA-less, and mediated basal transcription through an initiator (INR)-independent mechanism...
November 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29136819/alteration-in-the-liver-metabolome-of-rats-with-metabolic-syndrome-after-treatment-with-hydroxytyrosol-a-mass-spectrometry-and-nuclear-magnetic-resonance-based-metabolomics-study
#18
Ioanna Dagla, Dimitra Benaki, Eirini Baira, Nikolaos Lemonakis, Hemant Poudyal, Lindsay Brown, Anthony Tsarbopoulos, Alexios-Leandros Skaltsounis, Emmanouel Mikros, Evagelos Gikas
Metabolic syndrome (MetS) represents a group of abnormalities that enhances the risk for cardiovascular disease, diabetes and stroke. The Mediterranean diet seems to be an important dietary pattern, which reduces the incidence of MetS. Hydroxytyrosol (HT) - a simple phenol found in olive oil - has received increased attention for its antioxidant activity. Recently, the European Foods Safety Authority (EFSA) claimed that dietary consumption of HT exhibits a protective role against cardiovascular disease. In this study, an experimental protocol has been setup, including isolated HT administration in a diet induced model of MetS in young Wistar rats, in order to find out whether HT has a protective effect against MetS...
February 1, 2018: Talanta
https://www.readbyqxmd.com/read/29134286/proteomic-and-metabolomic-characterization-of-streptozotocin-induced-diabetic-nephropathy-in-timp3-deficient-mice
#19
Claudia Rossi, Valeria Marzano, Ada Consalvo, Mirco Zucchelli, Stefano Levi Mortera, Viviana Casagrande, Maria Mavilio, Paolo Sacchetta, Massimo Federici, Rossella Menghini, Andrea Urbani, Domenico Ciavardelli
AIMS: The tissue inhibitor of metalloproteinase TIMP3 is a stromal protein that restrains the activity of both protease and receptor in the extracellular matrix and has been found to be down-regulated in diabetic nephropathy (DN), the leading cause of end-stage renal disease in developed countries. METHODS: In order to gain deeper insights on the association of loss of TIMP3 and DN, we performed differential proteomic analysis of kidney and blood metabolic profiling of wild-type and Timp3-knockout mice before and after streptozotocin (STZ) treatment, widely used to induce insulin deficiency and hyperglycemia...
November 13, 2017: Acta Diabetologica
https://www.readbyqxmd.com/read/29130714/intake-of-fibers-and-its-association-with-cardiometabolic-risk-factors-in-individuals-on-a-secondary-prevention-for-cardiovascular-diseases-a-multicenter-study
#20
Luciana Pereira Pinto Dias, Simone Raimondi de Souza, Viviane Sahade, Nayra Anielly Cabral Cantanhede, José Albuquerque De Figueiredo Neto, Bernadete Weber
INTRODUCTION: Among the non-pharmacologic measures for the prevention and treatment of cardiovascular diseases (CVD), which are the first cause of death worldwide, the adequate intake of dietary fibers (DF) has shown an important role. OBJECTIVE: To evaluate the association between the intake of DF and the cardio-metabolic risk factors in individuals on a secondary prevention for CVD. METHODS: Transversal study with basal data of the study's DICA Br participants belonging to collaborative centers in the states of Maranhão (MA), Bahia (BA) and Rio de Janeiro (RJ)...
October 24, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
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