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https://www.readbyqxmd.com/read/29426942/galectin-1-is-required-for-the-regulatory-function-of-b-cells
#1
R Alhabbab, P Blair, L A Smyth, K Ratnasothy, Q Peng, A Moreau, R Lechler, R Elgueta, G Lombardi
Galectin-1 (Gal-1) is required for the development of B cells in the bone marrow (BM), however very little is known about the contribution of Gal-1 to the development of B cell regulatory function. Here, we report an important role for Gal-1 in the induction of B cells regulatory function. Mice deficient of Gal-1 (Gal-1-/-) showed significant loss of Transitional-2 (T2) B cells, previously reported to include IL-10+ regulatory B cells. Gal-1-/- B cells stimulated in vitro via CD40 molecules have impaired IL-10 and Tim-1 expression, the latter reported to be required for IL-10 production in regulatory B cells, and increased TNF-α expression compared to wild type (WT) B cells...
February 9, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29417985/nationwide-analysis-of-risk-factors-for-in-hospital-mortality-in-patients-undergoing-abdominal-aortic-aneurysm-repair
#2
M Trenner, A Kuehnl, B Reutersberg, M Salvermoser, H-H Eckstein
BACKGROUND: There is increasing awareness that women may have worse outcomes following repair of abdominal aortic aneurysm (AAA). The aim of this study was to analyse the association between sex, age and in-hospital mortality after AAA using hospital episode data collected routinely at the nationwide level. METHODS: Data were extracted from the nationwide statutory Diagnosis Related Group statistics provided by the German Federal Statistical Office. Patients with a diagnosis of intact (non-ruptured) AAA (ICD-10 GM I71...
February 8, 2018: British Journal of Surgery
https://www.readbyqxmd.com/read/29358188/globular-c1-q-receptor-p33-binds-and-stabilizes-pro-inflammatory-mcp-1-a-novel-mechanism-for-regulation-of-mcp-1-production-and-function
#3
Emma Anders, Daniel Nebel, Johannes Westman, Heiko Herwald, Bengt-Olof Nilsson, Daniel Svensson
The protein gC1qR, also named p33, was originally identified as a binding partner of the globular heads of C1q in the complement system. gC1qR/p33 is abundantly expressed in many cell types but the functional importance of this protein is not completely understood. Here, we investigate the impact of gC1qR/p33 on the production and function of the pathophysiologically important chemokine MCP-1 and the underlying molecular mechanisms. Knockdown of gC1qR/p33 negatively regulated the production of MCP-1 but had no effect on the expression of transcript for MCP-1 in human periodontal ligament cells, suggesting a translational/post-translational mechanism of action...
January 22, 2018: Biochemical Journal
https://www.readbyqxmd.com/read/29354807/main-air-pollutants-and-ventricular-arrhythmias-in-patients-with-implantable-cardioverter-defibrillators-a-systematic-review-and-meta-analysis
#4
Hong-Jie Yang, Xin Liu, Chuan Qu, Shao-Bo Shi, Jin-Jun Liang, Bo Yang
Objective: Previous studies of ambient air pollutants and ventricular arrhythmias in patients with implantable cardioverter-defibrillator (ICD) have yielded mixed results, and the association between air pollution and ventricular arrhythmias in these patients remains unclear. This study aimed to assess and quantify the association between exposure to major air pollutants [CO, inhalable particles (PM10), SO2, fine particulate matter (PM2.5), O3, and NO2] and the presence of ventricular arrhythmia in patients with ICD...
December 2017: Chronic Diseases and Translational Medicine
https://www.readbyqxmd.com/read/29347067/isotropic-nematic-transition-for-hard-rods-on-a-three-dimensional-cubic-lattice
#5
A Gschwind, M Klopotek, Y Ai, M Oettel
Using grand-canonical Monte Carlo (GCMC) simulations, we investigate the isotropic-nematic phase transition for hard rods of size L×1×1 on a three-dimensional cubic lattice. We observe such a transition for L≥6. For L=6, the nematic state has a negative order parameter, reflecting the co-occurrence of two dominating orientations. For L≥7, the nematic state has a positive order parameter, corresponding to the dominance of one orientation. We investigate rod lengths up to L=25 and find evidence for a very weakly first-order isotropic-nematic transition, while we cannot completely rule out a second-order transition...
July 2017: Physical Review. E
https://www.readbyqxmd.com/read/29323893/modular-feiii8mii6-n-mii-pd-co-ni-cu-coordination-cages
#6
Sergio Sanz, Helen M O'Connor, Priyanka Comar, Amgalanbaatar Baldansuren, Mateusz B Pitak, Simon J Coles, Høgni Weihe, Nicholas F Chilton, Eric J L McInnes, Paul J Lusby, Stergios Piligkos, Euan K Brechin
The reaction of the simple metalloligand [FeIIIL3] [HL = 1-(4-pyridyl)butane-1,3-dione] with a variety of different MII salts results in the formation of a family of heterometallic cages of formulae [FeIII8PdII6L24]Cl12 (1), [FeIII8CuII6L24(H2O)4Br4]Br8 (2), [FeIII8CuII6L24(H2O)10](NO3)12 (3), [FeIII8NiII6L24(SCN)11Cl] (4), and [FeIII8CoII6L24(SCN)10(H2O)2]Cl2 (5). The metallic skeleton of each cage describes a cube in which the FeIII ions occupy the eight vertices and the MII ions lie at the center of the six faces...
January 11, 2018: Inorganic Chemistry
https://www.readbyqxmd.com/read/29315461/no-excess-of-autoimmune-diseases-in-multiple-sclerosis-families-from-the-netherlands
#7
J Y Mescheriakova, R Q Hintzen
OBJECTIVES: Autoimmune diseases (AIDs) cluster in families; however, to what extent AIDs co-occur in MS multiplex families with two or more affected individuals is still controversial. The study aimed to evaluate coexisting AIDs in this type of families from the Netherlands. MATERIALS AND METHODS: A total of 155 MS multiplex families (155 MS probands, 959 first-degree relatives and 212 spouses) were characterized for a history of 11 AIDs by means of a self-administered questionnaire...
January 7, 2018: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/29314157/determination-of-cycloserine-in-microdialysis-samples-using-liquid-chromatography-tandem-mass-spectrometry-with-benzoyl-chloride-derivatization
#8
Wenjing Zhang, Sihui Wan, Lizhi Chen, Xuebing Wang, Zhuo Wang, Yi Huang
A new method for the analysis of cycloserine (4-amino-3-isoxazolidinone, CYC) in rat microdialysis samples has been developed. This method consists of derivatizing the CYC with benzoyl chloride, which transforms primary amines into highly stable derivatives. An attractive feature of this method was that the derivatization reaction is straightforward and can be completed within 10 min. The formed derivative, in contrast to the non-derivatized analyte, exhibited increased chromatographic retention and decreased matrix effects resulting from the co-elution of other components using reversed-phase liquid chromatography and on-line switching...
January 4, 2018: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/29306348/effect-of-different-dietary-energy-and-protein-sources-on-antioxidant-status-fresh-yolk-fatty-acid-profile-and-microstructure-of-salted-yolks-in-laying-ducks
#9
D Ruan, Y J Hu, A M Fouad, C X Lin, Z P Xu, W Chen, Q L Fan, W G Xia, S Wang, Y Wang, L Yang, C T Zheng
The study investigated whether different dietary energy and protein sources affect laying performance, antioxidant status, fresh yolk fatty acid profile and quality of salted yolks in laying ducks. In all, 360 19-week-old Longyan ducks were randomly assigned to four diets in a factorial arrangement (2×2). The four diets consisted of two energy sources, corn (CO) or sorghum (SO) and two protein sources, soybean meal (SM) and rapeseed meal with corn distillers dried grains with solubles (RMD), and each treatment contained six replicates of 15 birds each...
January 8, 2018: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/29249820/setd2-mediated-crosstalk-between-h3k36me3-and-h3k79me2-in-mll-rearranged-leukemia
#10
J Bu, A Chen, X Yan, F He, Y Dong, Y Zhou, J He, D Zhan, P Lin, Y Hayashi, Y Sun, Y Zhang, Z Xiao, H L Grimes, Q F Wang, G Huang
Previously, we identified SETD2 loss-of-function mutations in 22% of MLL-rearranged (MLLr) acute leukemia patients, implicating a mechanism for cooperativity between SETD2 mutations and MLL fusions. However, the detailed mechanism of how SETD2-H3K36me3 downregulation accelerates MLLr leukemia remains unclear. Here, we show that in MLLr leukemia, both H3K79me2 and H3K36me3 are aberrantly elevated and co-enriched in a group of genes. SETD2 inactivation leads to a global reduction of H3K36me3 and a further elevation of H3K79me2, but does not change the expression of known MLL fusion target genes...
November 29, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/29239690/antibody-drug-conjugates-design-and-development-for-therapy-and-imaging-in-and-beyond-cancer-labex-mabimprove-industrial-workshop-july-27-28-2017-tours-france
#11
Camille Martin, Claire Kizlik-Masson, André Pèlegrin, Hervé Watier, Marie-Claude Viaud-Massuard, Nicolas Joubert
The annual "Antibody Industrial Symposium", co organized by LabEx MAbImprove, MabDesign and Polepharma, was held in Tours, France on June 27-28, 2017. The focus was on antibody-drug-conjugates (ADCs), new entities which realize the hope of Paul Ehrlich's magic bullet. ADCs result from the bioconjugation of a highly cytotoxic drug to a selective monoclonal antibody, which acts as a vector. Building on knowledge gained during the development of three approved ADCs, brentuximab vedotin (Adcetris®), ado trastuzumab emtansine (Kadcyla®) and inotuzumab ozogamicin (Besponsa®), and the many ADCs in development, this meeting addressed strategies and the latest innovations in the field from fundamental research to manufacturing...
December 14, 2017: MAbs
https://www.readbyqxmd.com/read/29239046/sperm-preparation-through-sephadex%C3%A2-filtration-improves-in-vitro-fertilization-rate-of-buffalo-oocytes
#12
A U Husna, A Azam, S Qadeer, M A Awan, S Nasreen, Q Shahzad, A Fouladi-Nashta, M Khalid, S Akhter
Routinely, swim-up method is used to separate high-quality sperm; however, long processing time and close cell-to-cell contact during the centrifugation step are inevitable elements of oxidative stress to sperm. The objective was to evaluate Sephadex™ and glass wool filtration to separate motile, intact and viable sperm for in vitro fertilization in buffalo. The cumulus-oocyte complexes (COCs) were collected from ovaries of slaughtered buffaloes by aspiration and matured for 24 hr in CO2 incubator at 38...
December 14, 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/29225083/computer-aided-diagnosis-for-identifying-and-delineating-early-gastric-cancers-in-magnifying-narrow-band-images
#13
Takashi Kanesaka, Tsung-Chun Lee, Noriya Uedo, Kun-Pei Lin, Huai-Zhe Chen, Ji-Yuh Lee, Hsiu-Po Wang, Hsuan-Ting Chang
BACKGROUND AND AIMS: Magnifying narrow-band imaging (M-NBI) is important in the diagnosis of early gastric cancers (EGCs), but requires expertise to master. We developed a computer-aided diagnosis (CADx) system to assist endoscopists in identifying and delineating EGCs. METHODS: We retrospectively collected and randomly selected 66 EGC M-NBI images and 60 non-cancer M-NBI images into a training set, and 61 EGC M-NBI images and 20 non-cancer M-NBI images into a test set...
December 7, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/29121935/bioconversion-of-distillers-grains-hydrolysates-to-advanced-biofuels-by-an-escherichia-coli-co-culture
#14
Fang Liu, Weihua Wu, Mary B Tran-Gyamfi, James D Jaryenneh, Xun Zhuang, Ryan W Davis
BACKGROUND: First generation bioethanol production utilizes the starch fraction of maize, which accounts for approximately 60% of the ash-free dry weight of the grain. Scale-up of this technology for fuels applications has resulted in a massive supply of distillers' grains with solubles (DGS) coproduct, which is rich in cellulosic polysaccharides and protein. It was surmised that DGS would be rapidly adopted for animal feed applications, however, this has not been observed based on inconsistency of the product stream and other logistics-related risks, especially toxigenic contaminants...
November 9, 2017: Microbial Cell Factories
https://www.readbyqxmd.com/read/29096262/co-exposure-to-titanium-dioxide-nanoparticles-does-not-affect-cadmium-toxicity-in-radish-seeds-raphanus-sativus
#15
R Roshan Manesh, G Grassi, E Bergami, L F Marques-Santos, C Faleri, G Liberatori, I Corsi
Recent developments on environmental fate models indicate that as nano waste, engineered nanomaterials (ENMs) could reach terrestrial ecosystems thus potentially affecting environmental and human health. Plants can be therefore exposed to ENMs but controversial data in terms of fate and toxicity are currently available. Furthermore, there is a current lack of information on complex interactions/transformations to which ENMs undergo in the natural environment as for instance interacting with existing toxic compounds...
November 6, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29049855/intra-arterial-transplantation-of-human-bone-marrow-mesenchymal-stem-cells-hbmmscs-improves-behavioral-deficits-and-alters-gene-expression-in-rodent-stroke-model
#16
Vibhuti, Rehan Khan, Alpana Sharma, Suman Jain, Sujata Mohanty, Kameshwar Prasad
Stroke is a multi-factorial polygenic disease and is a major cause of death and adult disability. Administration of bone marrow stem cells protects ischemic rat brain by facilitating recovery of neurological functions. But the molecular mechanism of stem cells action and their effect on gene expression is not well explored. In this study, we have transplanted 1× 10(6) human bone marrow mesenchymal stem cells (hBMMSCs) in middle cerebral artery occluded (MCAo) adult male Wistar rats through intracarotid artery route at 24 hours after surgery...
October 19, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/29045956/-co-morbidity-of-vasovagal-syncope-and-postural-tachycardia-syndrome-with-allergic-diseases-in-children
#17
Y Liao, Q Y Zhang, H X Li, Y L Wang, P Liu, J B DU
OBJECTIVE: To explore the clinical characteristics of the co-morbidity of vasovagal syncope (VVS) and postural tachycardia syndrome (POTS) with allergic diseases in children. METHODS: A re-trospective analysis was launched to summarize the clinical data of children with VVS and POTS. They were divided into allergic group and non-allergic group according to the history of allergic diseases. The participants' clinical characteristics were compared between allergic group and non-allergic group using independent sample t test or rank sum test; composition comparisons were completed by Chi-square test...
October 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28975995/mir-146a-inhibits-proliferation-and-induces-apoptosis-in-murine-osteoblastic-mc3t3-e1-by-regulating-bcl2
#18
B Zhang, J Yi, C-L Zhang, Q-H Zhang, J-F Xu, H-Q Shen, D-W Ge
OBJECTIVE: The dysregulation of proliferation and apoptosis plays a significant role in the pathogenesis of hormone-induced osteonecrosis of femoral head (ONFH). The research aimed to explore the regulatory role of miR-146a in dexamethasone (DEX)-induced proliferation and apoptosis change in MC3T3-E1 cells from murine osteoblastic. MATERIAL AND METHODS: In this study, MC3T3-E1 was co-cultured with 10-7 DEX for 6 h, then RT-PCR was employed to test the expression level of miR-146a and Bcl2...
October 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28963451/cnv-association-meta-analysis-in-191-161-european-adults-reveals-new-loci-associated-with-anthropometric-traits
#19
Aurélien Macé, Marcus A Tuke, Patrick Deelen, Kati Kristiansson, Hannele Mattsson, Margit Nõukas, Yadav Sapkota, Ursula Schick, Eleonora Porcu, Sina Rüeger, Aaron F McDaid, David Porteous, Thomas W Winkler, Erika Salvi, Nick Shrine, Xueping Liu, Wei Q Ang, Weihua Zhang, Mary F Feitosa, Cristina Venturini, Peter J van der Most, Anders Rosengren, Andrew R Wood, Robin N Beaumont, Samuel E Jones, Katherine S Ruth, Hanieh Yaghootkar, Jessica Tyrrell, Aki S Havulinna, Harmen Boers, Reedik Mägi, Jennifer Kriebel, Martina Müller-Nurasyid, Markus Perola, Markku Nieminen, Marja-Liisa Lokki, Mika Kähönen, Jorma S Viikari, Frank Geller, Jari Lahti, Aarno Palotie, Päivikki Koponen, Annamari Lundqvist, Harri Rissanen, Erwin P Bottinger, Saima Afaq, Mary K Wojczynski, Petra Lenzini, Ilja M Nolte, Thomas Sparsø, Nicole Schupf, Kaare Christensen, Thomas T Perls, Anne B Newman, Thomas Werge, Harold Snieder, Timothy D Spector, John C Chambers, Seppo Koskinen, Mads Melbye, Olli T Raitakari, Terho Lehtimäki, Martin D Tobin, Louise V Wain, Juha Sinisalo, Annette Peters, Thomas Meitinger, Nicholas G Martin, Naomi R Wray, Grant W Montgomery, Sarah E Medland, Morris A Swertz, Erkki Vartiainen, Katja Borodulin, Satu Männistö, Anna Murray, Murielle Bochud, Sébastien Jacquemont, Fernando Rivadeneira, Thomas F Hansen, Albertine J Oldehinkel, Massimo Mangino, Michael A Province, Panos Deloukas, Jaspal S Kooner, Rachel M Freathy, Craig Pennell, Bjarke Feenstra, David P Strachan, Guillaume Lettre, Joel Hirschhorn, Daniele Cusi, Iris M Heid, Caroline Hayward, Katrin Männik, Jacques S Beckmann, Ruth J F Loos, Dale R Nyholt, Andres Metspalu, Johan G Eriksson, Michael N Weedon, Veikko Salomaa, Lude Franke, Alexandre Reymond, Timothy M Frayling, Zoltán Kutalik
There are few examples of robust associations between rare copy number variants (CNVs) and complex continuous human traits. Here we present a large-scale CNV association meta-analysis on anthropometric traits in up to 191,161 adult samples from 26 cohorts. The study reveals five CNV associations at 1q21.1, 3q29, 7q11.23, 11p14.2, and 18q21.32 and confirms two known loci at 16p11.2 and 22q11.21, implicating at least one anthropometric trait. The discovered CNVs are recurrent and rare (0.01-0.2%), with large effects on height (>2...
September 29, 2017: Nature Communications
https://www.readbyqxmd.com/read/28945223/role-of-jmjd2b-in-colon-cancer-cell-survival-under-glucose-deprived-conditions-and-the-underlying-mechanisms
#20
L-N Fu, Y-Q Wang, J Tan, J Xu, Q-Y Gao, Y-X Chen, J-Y Fang
Metabolic stress is a common phenomenon in solid tumors. Compensatory mechanisms to overcome metabolic stress (glucose deprivation) are vital to tumor cell survival. The histone demethylase Jumonji domain-containing protein 2B (JMJD2B) is vital for the growth and progression of various cancers. However, the role of JMJD2B during glucose deprivation remains unclear. Our aim was to examine the function of JMJD2B in glucose-deprived colon cancer cells and the involvement of extracellular signal-regulated kinase (ERK) and glucose transporter 1 (GLUT1)...
September 25, 2017: Oncogene
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