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https://www.readbyqxmd.com/read/28645193/irf6-regulates-alternative-activation-by-suppressing-ppar%C3%AE-in-male-murine-macrophages
#1
Chuan Li, Wei Ying, Zheping Huang, Tyler Brehm, Andrew Morin, Anthony T Vella, Beiyan Zhou
Aberrant pro-inflammatory and suppressed anti-inflammatory (alternative) macrophage activation underlies the chronic inflammation associated with obesity and other metabolic disorders. This study demonstrates a novel role for Interferon Regulatory Factor 6 (IRF6) in regulating macrophage alternative activation (M2) by suppressing peroxisome proliferator-activated receptor-γ (PPARγ) expression, a critical regulator of alternative macrophage polarization. The data demonstrate suppression of IRF6 in both M2 macrophages and obese adipose tissue macrophages (ATMs)...
June 22, 2017: Endocrinology
https://www.readbyqxmd.com/read/28644260/intravenous-alteplase-for-acute-stroke-and-pulmonary-embolism-in-a-patient-with-recent-abdominoplasty
#2
Michael E Christiansen, Gyanendra Kumar, Raman C Mahabir, Richard A Helmers, Bernard R Bendok, Cumara B O'Carroll
INTRODUCTION: Major surgery in the past 14 days is a relative contraindication to treatment of acute stroke with intravenous (IV) alteplase. The 2016 American Heart Association/American Stroke Association scientific statement discussing inclusion and exclusion criteria for alteplase in acute stroke allows for provider judgment citing a lack of evidence to support surgery as an absolute contraindication. CASE REPORT: A 59-year-old woman presented with acute left hemiparesis, dysarthria, and acute respiratory failure...
July 2017: Neurologist
https://www.readbyqxmd.com/read/28643864/hydroxyacetone-a-glycerol-based-platform-for-electrocatalytic-hydrogenation-and-hydrodeoxygenation-processes
#3
Waldemar Sauter, Olaf Lennart Bergmann, Uwe Schröder
Here we propose the use of hydroxyacetone, a dehydration product of glycerol, as a platform for the electrocatalytic synthesis of acetone, 1,2-propanediol and 2-propanol. 11 non-noble metals were investigated as electrode materials in combination with three different electrolyte compositions towards the selectivity, Coulomb efficiency (CE) and reaction rates of the electrocatalytic hydrogenation (formation of 1,2-propanediol) and hydrodeoxygenation (formation of acetone and propanol) of hydroxyacetone. With a selectivity of 84...
June 23, 2017: ChemSusChem
https://www.readbyqxmd.com/read/28643675/-stop-bang-a-useful-and-easy-tool-for-the-screening-of-obstructive-sleep-apnea
#4
Matías Baldini, María Nélida Chiapella, María Alejandra Fernández, Sergio Guardia
The STO-BANG questionnaire, S standing for snore, T tired, O observed apneas, P pressure (arterial hypertension), B BMI (body mass index > 35 kg/ m2), A age (> 50 years old), N neck circumference (> 40 cm), G gender (male); is a simple tool that enables the detection of patients with obstructive sleep apnea syndrome (OSA). If the patient adds 3 or more points, it is considered to have a high probability of having this disease. Our goal was to evaluate the capacity of the STOP-BANG questionnaire and to compare it with the ability of a sleep trained pulmonologist in determining the probability of OSA...
2017: Medicina
https://www.readbyqxmd.com/read/28643512/quantitatively-intrinsic-biomimetic-catalytic-activity-of-nanocerias-as-radical-scavengers-and-their-ability-against-h2o2-and-doxorubicin-induced-oxidative-stress
#5
Zhimin Tian, Xuhui Li, Yuanyuan Ma, Tao Chen, Dehui Xu, Bingchuan Wang, Yuan Gao, Yongquan Qu
Artificial enzymes as radical scavengers show great potentials in treatments on various diseases induced by oxidative stress. Herein, the quantitative analysis indicates the intrinsic activity of nanocerias for degradation of radicals is de-termined by the concentration of surface defects as well as their morphological features. The surface Ce3+ fraction of the CeO2 nanozymes with the similar morphology can be used as a descriptor to index their catalytic activity as radical scavengers. Defect-abundant porous nanorods of ceria (PN-CeO2) with a large surface area (141 m2/g) and high surface Ce3+ fraction (32...
June 23, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28643230/crosstalk-between-m2-macrophages-and-glioma-stem-cells
#6
Leora M Nusblat, Molly J Carroll, Charles M Roth
PURPOSE: Given its extremely poor prognosis, there is a pressing need for an improved understanding of the biology of glioblastoma multiforme (GBM), including the roles of tumor subpopulations that may contribute to their growth rate and therapy resistance. The most malignant phenotypes of GBM have been ascribed to the presence of subpopulations of cancer stem cells (CSCs), which are resistant to chemotherapeutic drugs and ionizing radiation and which promote invasiveness and metastasis...
June 22, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28642923/the-influence-of-particle-size-and-curing-conditions-on-testing-mineral-trioxide-aggregate-cement
#7
William Nguyen Ha, Bill Kahler, Laurence James Walsh
Objectives: To assess the effects on curing conditions (dry versus submerged curing) and particle size on the compressive strength (CS) and flexural strength (FS) of set MTA cement. Materials and methods: Two different Portland cements were created, P1 and P2, with P1 < P2 in particle size. These were then used to create two experimental MTA products, M1 and M2, with M1 < M2 in particle size. Particle size analysis was performed according to ISO 13320. The particle size at the 90th percentile (i.e. the larger particles) was P1: 15...
December 2016: Acta Biomaterialia Odontologica Scandinavica
https://www.readbyqxmd.com/read/28642908/methodologies-for-measuring-the-setting-times-of-mineral-trioxide-aggregate-and-portland-cement-products-used-in-dentistry
#8
William Nguyen Ha, Timothy Nicholson, Bill Kahler, Laurence James Walsh
Objective The current standard used to measure setting time for Mineral Trioxide Aggregate (MTA) involves indentation testing with arbitrary weights. This study compared indentation testing against rheological measurements and assessed the influences of particle size and the inclusion of bismuth oxide on the setting time of experimental MTA and Portland cement (PC). Material and methods Two PCs (P1 and P2) of different particle sizes were produced using the same clinker. From these two PCs, two experimental MTAs (M1 and M2) were created with the addition of bismuth oxide...
December 2016: Acta Biomaterialia Odontologica Scandinavica
https://www.readbyqxmd.com/read/28642762/arbuscular-mycorrhiza-augments-arsenic-tolerance-in-wheat-triticum-aestivum-l-by-strengthening-antioxidant-defense-system-and-thiol-metabolism
#9
Surbhi Sharma, Garima Anand, Neeraja Singh, Rupam Kapoor
Arbuscular mycorrhiza (AM) can help plants to tolerate arsenic (As) toxicity. However, plant responses are found to vary with the host plant and the AM fungal species. The present study compares the efficacy of two AM fungi Rhizoglomus intraradices (M1) and Glomus etunicatum (M2) in amelioration of As stress in wheat (Triticum aestivum L. var. HD-2967). Mycorrhizal (M) and non-mycorrhizal (NM) wheat plants were subjected to four levels of As (0, 25, 50, and 100 mg As kg(-1) soil). Although As additions had variable effects on the percentage of root colonized by the two fungal inoculants, each mycobiont conferred benefits to the host plant...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28642697/targeting-microglial-activation-states-as-a-therapeutic-avenue-in-parkinson-s-disease
#10
REVIEW
Sudhakar R Subramaniam, Howard J Federoff
Parkinson's disease (PD) is a chronic and progressive disorder characterized neuropathologically by loss of dopamine neurons in the substantia nigra, intracellular proteinaceous inclusions, reduction of dopaminergic terminals in the striatum, and increased neuroinflammatory cells. The consequent reduction of dopamine in the basal ganglia results in the classical parkinsonian motor phenotype. A growing body of evidence suggest that neuroinflammation mediated by microglia, the resident macrophage-like immune cells in the brain, play a contributory role in PD pathogenesis...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28642237/mediator-1-is-atherosclerosis-protective-by-regulating-macrophage-polarization
#11
Liang Bai, Zhao Li, Qianwei Li, Hua Guan, Sihai Zhao, Ruihan Liu, Rong Wang, Jin Zhang, Yuzhi Jia, Jianglin Fan, Nanping Wang, Janardan K Reddy, John Y-J Shyy, Enqi Liu
OBJECTIVE: MED1 (mediator 1) interacts with transcription factors to regulate transcriptional machinery. The role of MED1 in macrophage biology and the relevant disease state remains to be investigated. APPROACH AND RESULTS: To study the molecular mechanism by which MED1 regulates the M1/M2 phenotype switch of macrophage and the effect on atherosclerosis, we generated MED1/apolipoprotein E (ApoE) double-deficient (MED1(ΔMac)/ApoE(-)(/-)) mice and found that atherosclerosis was greater in MED1(ΔMac)/ApoE(-/-) mice than in MED1(fl/fl)/ApoE(-/-) littermates...
June 22, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28642037/testosterone-regulates-3t3-l1pre-adipocyte-differentiation-and-epididymal-fat-accumulation-in-mice-through-modulating-macrophage-polarization
#12
Xiaojiao Ren, Xiaojian Fu, Xinhua Zhang, Shiqiang Chen, Shuguang Huang, Lun Yao, Guoquan Liu
Low testosterone levels are strongly related to obesity in males. The balance between the classically M1 and alternatively M2 polarized macrophages also plays a critical role in obesity. It is not clear whether testosterone regulates macrophage polarization and then affects adipocyte differentiation. In this report, we demonstrate that testosterone strengthens interleukin (IL) -4-induced M2 polarization and inhibits lipopolysaccharide (LPS) -induced M1 polarization, but has no direct effect on adipocyte differentiation...
June 19, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28641602/milk-replacers-supplemented-with-either-l-arginine-or-l-carnitine-potentially-improve-muscle-maturation-of-early-reared-low-birth-weight-piglets-from-hyperprolific-sows
#13
J G Madsen, S Mueller, M Kreuzer, M B Bigler, P Silacci, G Bee
As a result of the selection for genotypes with greater sow prolificacy, litter size increased and, concomitantly, average litter birth weight and early postnatal survival rates of low birth weight (L-BtW) offspring decreased. This study compared the impact of l-carnitine (CAR) and l-arginine (ARG) supplemented with a milk replacer and fed to L-BtW piglets born from large litters from days 7 to 28 of age on growth performance, carcass composition, organ and Semitendinosus muscle (STM) development. A total of 30 female and castrated Swiss Large White piglets weaned at 7 days of age were assigned to three milk replacer diets containing either no supplement (CON), CAR (0...
June 23, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28641594/relationship-between-abdominal-obesity-and-alcohol-drinking-pattern-in-normal-weight-middle-aged-adults-the-korea-national-health-and-nutrition-examination-survey-2008-2013
#14
Kye-Yeung Park, Hoon-Ki Park, Hwan-Sik Hwang
OBJECTIVE: Abdominal obesity is associated with obesity-related health risks regardless of body weight. The present study aimed to determine whether alcohol drinking pattern is associated with abdominal obesity in normal-weight, middle-aged adults. DESIGN: Cross-sectional study using complex sampling design analyses. SETTING: The Korea National Health and Nutrition Examination Survey, which was conducted from 2008 to 2013. SUBJECTS: Normal-weight participants aged 40-69 years with BMI of 18·5-25·0 kg/m2 (n 11 289, 4491 men and 6798 women) were included...
June 23, 2017: Public Health Nutrition
https://www.readbyqxmd.com/read/28641457/antiglioma-pseurotin-a-from-marine-bacillus-sp-fs8d-regulating-tumour-metabolic-enzymes
#15
Komal Anjum, Hongyun Bi, Weiyun Chai, Xiao-Yuan Lian, Zhizhen Zhang
Pseurotin A was isolated from a culture of marine Bacillus sp. FS8D and showed to be active against the proliferation of four different glioma cells with IC50 values of 0.51-29.3 μM. It has been found that pseurotin A downregulated the expression of tumour glycolytic enzymes pyruvate kinase M2 (PKM2) and lactate dehydrogenase 5 (LDH5) and upregulated the expression of pyruvate dehydrogenase beta (PDHB), adenosine triphosphate synthase beta (ATPB) and cytochrome C (Cyto-C), the important regulators for tricarboxylic acid cycle and oxidative phosphorylation...
June 23, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28640854/maternal-bmi-and-diabetes-in-pregnancy-investigating-variations-between-ethnic-groups-using-routine-maternity-data-from-london-uk
#16
Erin Nishikawa, Laura Oakley, Paul T Seed, Pat Doyle, Eugene Oteng-Ntim
OBJECTIVE: To investigate the ethnicity-specific association between body mass index (BMI) and diabetes in pregnancy, with a focus on the appropriateness of using BMI cut-offs to identify pregnant women at risk of diabetes. STUDY DESIGN: Analysis of routinely-collected data from a maternity unit in London, UK. Data were available on 53 264 women delivering between 2004 and 2012. Logistic regression was used to explore the association between diabetes in pregnancy and BMI among women of different ethnicities, and adjusted probability estimates were used to derive risk equivalent cut-offs...
2017: PloS One
https://www.readbyqxmd.com/read/28640843/metabolic-milieu-associates-with-impaired-skeletal-characteristics-in-obesity
#17
Heli T Viljakainen, Heikki A Koistinen, Taina Tervahartiala, Timo Sorsa, Sture Andersson, Outi Mäkitie
High leptin concentration, low-grade inflammation, and insulin resistance often coexist in obese subjects; this adverse metabolic milieu may be the main culprit for increased fracture risk and impaired bone quality seen in patients with type 2 diabetes. We examined the associations of leptin, hs (high sensitivity)- CRP and insulin resistance with bone turnover markers (BTMs) and bone characteristics in 55 young obese adults (median BMI 40 kg/m2) and 65 non-obese controls. Mean age of the subjects was 19.5 ± 2...
2017: PloS One
https://www.readbyqxmd.com/read/28640841/a-sorghum-sorghum-bicolor-mutant-with-altered-carbon-isotope-ratio
#18
Govinda Rizal, Shanta Karki, Vivek Thakur, Samart Wanchana, Hugo Alonso-Cantabrana, Jacque Dionora, John E Sheehy, Robert Furbank, Susanne von Caemmerer, William Paul Quick
Recent efforts to engineer C4 photosynthetic traits into C3 plants such as rice demand an understanding of the genetic elements that enable C4 plants to outperform C3 plants. As a part of the C4 Rice Consortium's efforts to identify genes needed to support C4 photosynthesis, EMS mutagenized sorghum populations were generated and screened to identify genes that cause a loss of C4 function. Stable carbon isotope ratio (δ13C) of leaf dry matter has been used to distinguishspecies with C3 and C4 photosynthetic pathways...
2017: PloS One
https://www.readbyqxmd.com/read/28640790/microrna-155-deficiency-in-kupffer-cells-ameliorates-liver-ischemia-reperfusion-injury-in-mice
#19
Yakun Li, Dongxia Ma, Zhimin Wang, Jun Yang
BACKGROUND: MicroRNA-155 (miR-155) is known to be involved in autoimmune diseases, inflammation, and transplantation. However, its role in a warm hepatic ischemia-reperfusion (IR) model has not been fully elucidated. METHODS: Partial hepatic IR was performed in wild-type and miR-155-deficient mice treated with or without GdCl3, and then the serum transaminase concentration and histology were analyzed. Kupffer cells (KCs) were isolated from the liver after IR, and immunohistochemistry was used to evaluate activation and polarization...
July 2017: Transplantation
https://www.readbyqxmd.com/read/28640074/bioinformatics-analysis-of-key-genes-and-pathways-for-hepatocellular-carcinoma-transformed-from-cirrhosis
#20
Bosheng He, Jianbing Yin, Shenchu Gong, Jinhua Gu, Jing Xiao, Weixiang Shi, Wenbin Ding, Ying He
OBJECTIVE: We aimed to identify some pivotal genes and pathways for hepatocellular carcinoma (HCC) transformation from cirrhosis and explore potential targets for treatment of the disease. METHODS: The GSE17548 microarray data were downloaded from Gene Expression Omnibus database, and 37 samples (20 cirrhosis and 17 HCC samples) were used for analysis. The differentially expressed genes (DEGs) in HCC tissues were compared with those in cirrhosis tissues and analyzed using the limma package...
June 2017: Medicine (Baltimore)
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