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https://www.readbyqxmd.com/read/27900175/free-fall-acrobatics-to-reduce-neck-loads-during-parachute-opening-shock-evaluation-of-an-intervention-acropose
#1
Anton Westman, Björn O Äng
INTRODUCTION: Neck pain is a widespread health problem in the skydiver athlete population, epidemiologically linked to repeated exposure to parachute opening shock (POS). During POS, a parachutist is subjected to considerable deceleration forces. This study aims to evaluate the use of preventive free fall acrobatics to reduce the biomechanical load on the neck of parachutists during parachute opening. METHODS AND ANALYSIS: Interventional study with a cross-over, within-subject, repeated measures design...
2016: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/27879019/screening-for-alk-abnormalities-in-central-nervous-system-metastases-of-non-small-cell-lung-cancer-alk-abnormalities-in-cns-metastases-of-nsclc
#2
Marcin Nicoś, Bożena Jarosz, Paweł Krawczyk, Kamila Wojas-Krawczyk, Tomasz Kucharczyk, Marek Sawicki, Juliusz Pankowski, Tomasz Trojanowski, Janusz Milanowski
Anaplastic lymphoma kinase (ALK) gene rearrangement was reported in 3-7% of primary non-small-cell lung cancer (NSCLC) and its presence is commonly associated with adenocarcinoma (AD) type and non-smoking history. ALK tyrosine kinase inhibitors (TKIs) such as crizotinib, alectinib and ceritinib showed efficiency in patients with primary NSCLC harboring ALK gene rearrangement. Moreover, response to ALK TKIs was observed in central nervous system (CNS) metastatic lesions of NSCLC. However, there are no reports concerning the frequency of ALK rearrangement in CNS metastases...
November 23, 2016: Brain Pathology
https://www.readbyqxmd.com/read/27824867/microrna-expression-patterns-of-cd8-t-cells-in-acute-and-chronic-brucellosis
#3
Ferah Budak, S Haldun Bal, Gulcin Tezcan, Furkan Guvenc, E Halis Akalin, Guher Goral, Gunnur Deniz, H Barbaros Oral
Although our knowledge about Brucella virulence factors and the host response increase rapidly, the mechanisms of immune evasion by the pathogen and causes of chronic disease are still unknown. Here, we aimed to investigate the immunological factors which belong to CD8+ T cells and their roles in the transition of brucellosis from acute to chronic infection. Using miRNA microarray, more than 2000 miRNAs were screened in CD8+ T cells of patients with acute or chronic brucellosis and healthy controls that were sorted from peripheral blood with flow cytometry and validated through qRT-PCR...
2016: PloS One
https://www.readbyqxmd.com/read/27802032/uncovering-the-role-of-oxygen-atom-transfer-in-ru-based-catalytic-water-oxidation
#4
Dooshaye Moonshiram, Yuliana Pineda-Galvan, Darren Erdman, Mark C Palenik, Ruifa Zong, Randolph P Thummel, Yulia N Pushkar
The realization of artificial photosynthesis carries the promise of cheap and abundant energy, however, significant advances in the rational design of water oxidation catalysts are required. Detailed information on the structure of the catalyst under reaction conditions and mechanisms of O-O bond formation should be obtained. Here, we used a combination of Electron Paramagnetic Resonance (EPR), stopped flow freeze quench on a millisecond-second time scale, X-ray absorption (XAS), Resonance Raman (RR) spectroscopy and Density Functional Theory (DFT) to follow the dynamics of the Ru-based single site catalyst, [Ru(II)(NPM)(4-pic)2(H2O)](2+) (NPM = 4-t-butyl-2,6-di(1',8'-naphthyrid-2'-yl)pyridine, pic = 4-picoline), under the water oxidation conditions...
November 1, 2016: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/27722424/determination-of-physical-emulsion-stabilization-mechanisms-of-wood-hemicelluloses-via-rheological-and-interfacial-characterization
#5
K S Mikkonen, D Merger, P Kilpeläinen, L Murtomäki, U S Schmidt, M Wilhelm
Materials manufacturing industries seek efficient, economic, and sustainable compounds for stabilizing dispersed systems such as emulsions. In this study, novel, abundant biobased hydrocolloids spruce galactoglucomannans (GGM) and birch glucuronoxylans (GX) were obtained from a forestry biorefining process and characterized as versatile stabilizers of rapeseed oil-in-water emulsions. For the first time, GGM and GX isolated by pressurized hot water extraction (PHWE) of spruce and birch saw meal, respectively, were studied in emulsions...
September 27, 2016: Soft Matter
https://www.readbyqxmd.com/read/27722176/altered-expressions-of-mir-1238-3p-mir-494-mir-6069-and-mir-139-3p-in-the-formation-of-chronic-brucellosis
#6
Ferah Budak, Salih Haldun Bal, Gulcin Tezcan, Halis Akalın, Guher Goral, Haluk Barbaros Oral
Brucellosis is a zoonotic disease that is still endemic in developing countries. Despite early diagnosis and treatment of patients, chronic infections are seen in 10-30% of patients. In this study, we aimed to investigate the immunological factors that play roles in the transition of brucellosis from acute infection into chronic infection. Here, more than 2000 miRNAs were screened in peripheral blood mononuclear cells (PBMCs) of patients with acute or chronic brucellosis and healthy controls by using miRNA array, and the results of the miRNA array were validated through qRT-PCR...
2016: Journal of Immunology Research
https://www.readbyqxmd.com/read/27706792/retraction-of-articles-with-plagiarism-in-common-with-other-publications
#7
(no author information available yet)
The GMR editorial staff was alerted about some manuscripts that were found to be substantially equal. The Publisher and Editor decided to retract these articles in accordance with the recommendations of the Committee on Publication Ethics (COPE). After a thorough investigation, we have strong reason to believe that the peer review process was failure and, after review and contacting the authors, the editors of Genetics and Molecular Research decided to retract these articles. The authors and their institutions were advised of this serious breach of ethics...
September 30, 2016: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/27687221/kinetic-of-orange-pigment-production-from-monascus-ruber-on-submerged-fermentation
#8
Francielo Vendruscolo, Willibaldo Schmidell, Débora de Oliveira, Jorge Luiz Ninow
Pigments produced by species of Monascus have been used to coloring rice, meat, sauces, wines and beers in East Asian countries. Monascus can produce orange (precursor), yellow and red pigments. Orange pigments have low solubility in culture media and when react with amino groups they become red and largely soluble. The orange pigments are an alternative to industrial pigment production because the low solubility facilitates the downstream operations. The aim of this work was to study the kinetic on the production of orange pigments by Monascus ruber CCT 3802...
September 29, 2016: Bioprocess and Biosystems Engineering
https://www.readbyqxmd.com/read/27672211/epr-studies-of-wild-type-and-mutant-dre2-identify-essential-2fe-2s-and-4fe-4s-clusters-and-their-cysteine-ligands
#9
Yan Zhang, Chunyu Yang, Andrew Dancis, Eiko Nakamaru-Ogiso
Yeast Dre2 (anamorsin or CIAPIN1) is an essential component for cytosolic Fe/S cluster biosynthesis. The C-terminal domain contains eight evolutionarily conserved cysteine residues, and we previously demonstrated that the yeast Dre2 overexpressed in Escherichia coli contains one binuclear ([2Fe-2S]) cluster and one tetranuclear ([4Fe-4S]) cluster. In this study, we replaced each conserved cysteine with alanine and analyzed the effects by Electron Paramagnetic Resonance. Although the C311A mutant lacked both signals, our data clearly suggest that the [2Fe-2S] cluster is ligated to Cys252, Cys263, Cys266 and Cys268, whereas the [4Fe-4S] cluster is ligated to Cys311, Cys314, Cys322 and Cys325...
September 26, 2016: Journal of Biochemistry
https://www.readbyqxmd.com/read/27652357/evaluation-of-genexpert-mtb-rif-assay-for-direct-diagnosis-of-pulmonary-tuberculosis
#10
Husseiny Sh Moussa, Faten S Bayoumi, Ahmed M Ali
OBJECTIVES: To evaluate the performance of GeneXpert MTB/RIF assay for direct diagnosis of pulmonary tuberculosis (PTB).   METHODS: This is a cross-sectional study conducted between October 2013 and February 2016 at Abbassaia Chest Hospital and Ain Shams University Hospital, Cairo, Egypt. Inclusion criteria were adults between 18 and 60 years with suspected PTB and classified into 5 clinical categories based on their clinical, radiological, and laboratory findings:  confirmed TB, probable TB, possible TB, unlikely TB, and not TB...
October 2016: Saudi Medical Journal
https://www.readbyqxmd.com/read/27634299/observation-of-re-entrant-spin-reorientation-in-tbfe1-xmnxo3
#11
Yifei Fang, Ya Yang, Xinzhi Liu, Jian Kang, Lijie Hao, Xiping Chen, Lei Xie, Guangai Sun, Venkatesh Chandragiri, Chin-Wei Wang, Yiming Cao, Fei Chen, Yuntao Liu, Dongfeng Chen, Shixun Cao, Chengtian Lin, Wei Ren, Jincang Zhang
We report a spin reorientation from Γ4(Gx, Ay, Fz) to Γ1(Ax, Gy, Cz) magnetic configuration near room temperature and a re-entrant transition from Γ1(Ax, Gy, Cz) to Γ4(Gx, Ay, Fz) at low temperature in TbFe1-xMnxO3 single crystals by performing both magnetization and neutron diffraction measurements. The Γ4 - Γ1 spin reorientation temperature can be enhanced to room temperature when x is around 0.5 ~ 0.6. These new transitions are distinct from the well-known Γ4 - Γ2 transition observed in TbFeO3, and the sinusoidal antiferromagnetism to complex spiral magnetism transition observed in multiferroic TbMnO3...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27595702/growth-modelling-of-nitrosomonas-europaea-atcc%C3%A2-19718-and-nitrobacter-winogradskyi-atcc%C3%A2-25391-a-new-online-indicator-of-the-partial-nitrification
#12
Nelly Cruvellier, Laurent Poughon, Catherine Creuly, C-Gilles Dussap, Christophe Lasseur
The aim of the present work was to study the growth of two nitrifying bacteria. For modelling the nitrifying subsystem of the MELiSSA loop, Nitrosomonas europaea ATCC® 19718 and Nitrobacter winogradskyi ATCC® 25931 were grown separately and in cocultures. The kinetic parameters of a stoichiometric mass balanced Pirt model were identified: μmax=0.054h(-1), decay rate b=0.003h(-1) and maintenance rate m=0.135gN-NH4(+)·gX(-1)·h(-1) for Nitrosomonas europaea; μmax=0.024h(-1), b=0.001h(-1) and m=0.467gN-NO2(-)·gX(-1)·h(-1) for Nitrobacter winogradskyi...
November 2016: Bioresource Technology
https://www.readbyqxmd.com/read/27594784/dysregulation-of-protein-kinase-gene-expression-in-nk-cells-from-chronic-fatigue-syndrome-myalgic-encephalomyelitis-patients
#13
Anu Chacko, Donald R Staines, Samantha C Johnston, Sonya M Marshall-Gradisnik
BACKGROUND: The etiology and pathomechanism of chronic fatigue syndrome/myalgic encephalomyelitis (CFS/ME) are unknown. However, natural killer (NK) cell dysfunction, in particular reduced NK cytotoxic activity, is a consistent finding in CFS/ME patients. Previous research has reported significant changes in intracellular mitogen-activated protein kinase pathways from isolated NK cells. The purpose of this present investigation was to examine whether protein kinase genes have a role in abnormal NK cell intracellular signaling in CFS/ME...
2016: Gene Regulation and Systems Biology
https://www.readbyqxmd.com/read/27503240/genetic-and-phylogenetic-analysis-of-a-novel-parvovirus-isolated-from-chickens-in-guangxi-china
#14
Bin Feng, Zhixun Xie, Xianwen Deng, Liji Xie, Zhiqin Xie, Li Huang, Qin Fan, Sisi Luo, Jiaoling Huang, Yanfang Zhang, Tingting Zeng, Sheng Wang, Leyi Wang
A previously unidentified chicken parvovirus (ChPV) strain, associated with runting-stunting syndrome (RSS), is now endemic among chickens in China. To explore the genetic diversity of ChPV strains, we determined the first complete genome sequence of a novel ChPV isolate (GX-CH-PV-7) identified in chickens in Guang Xi, China, and showed moderate genome sequence similarity to reference strains. Analysis showed that the viral genome sequence is 86.4 %-93.9 % identical to those of other ChPVs. Genetic and phylogenetic analyses showed that this newly emergent GX-CH-PV-7 is closely related to Gallus gallus enteric parvovirus isolate ChPV 798 from the USA, indicating that they may share a common ancestor...
November 2016: Archives of Virology
https://www.readbyqxmd.com/read/27475412/immune-inflammation-gene-signatures-in-endometriosis-patients
#15
Soo Hyun Ahn, Kasra Khalaj, Steven L Young, Bruce A Lessey, Madhuri Koti, Chandrakant Tayade
OBJECTIVE: To determine if the molecular profiles of endometriotic lesions contain informative measures of inflammation and immune dysfunction that may contribute to better understanding of the interplay between immune dysfunction and inflammation and their contribution to endometriosis pathogenesis. DESIGN: Immune and inflammation transcriptomic analysis with the use of the Nanostring nCounter GX Human Immunology V2 platform (579 human immune and inflammation-related genes and 15 housekeeping genes)...
July 27, 2016: Fertility and Sterility
https://www.readbyqxmd.com/read/27429799/comparison-of-in-vivo-gene-expression-profiling-of-rpe-choroid-following-intravitreal-injection-of-dexamethasone-and-triamcinolone-acetonide
#16
Zeljka Smit-McBride, Elad Moisseiev, Sara P Modjtahedi, David G Telander, Leonard M Hjelmeland, Lawrence S Morse
Purpose. To identify retinal pigment epithelium (RPE)/choroid genes and their relevant expression pathways affected by intravitreal injections of dexamethasone and triamcinolone acetonide in mice at clinically relevant time points for patient care. Methods. Differential gene expression of over 34,000 well-characterized mouse genes in the RPE/choroid of 6-week-old C57BL/6J mice was analyzed after intravitreal steroid injections at 1 week and 1 month postinjection, using Affymetrix Mouse Genome 430 2.0 microarrays...
2016: Journal of Ophthalmology
https://www.readbyqxmd.com/read/27404432/increase-in-electrical-conductivity-of-mof-to-billion-fold-upon-filling-the-nanochannels-with-conducting-polymer
#17
Barun Dhara, Sanjog S Nagarkar, Jitender Kumar, Vikash Kumar, Plawan Kumar Jha, Sujit K Ghosh, Sunil Nair, Nirmalya Ballav
Redox-active pyrrole (Py) monomers were intercalated into 1D nanochannels of [Cd(NDC)0.5(PCA)]·Gx (H2NDC = 2,6-napthalenedicarboxylic acid, HPCA = 4-pyridinecarboxylic acid, G = guest molecules) (1) - a fluorescent 3D MOF (λem = 385 nm). Subsequent activation of 1⊃Py upon immersing into iodine (I2) solution resulted in an increment of the bulk electrical conductivity by ∼9 orders of magnitude. The unusual increase in conductivity was attributed to the formation of highly oriented and conducting polypyrrole (PPy) chains inside 1D nanochannels and specific host-guest interaction in 1⊃PPy thereof...
August 4, 2016: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/27329349/identification-of-a-novel-enterovirus-species-in-rhesus-macaque-in-china
#18
Yuan-Yun Ao, Jie-Mei Yu, Cui-Yuan Zhang, Yun-Yun Xin, Li-Li Li, Zhao-Jun Duan
Recent studies of Enterovirus (EV) in nonhuman primates (NHPs), which could act as a source of future emerging human viral diseases, have boosted interest in the search for novel EVs. Here, a highly divergent strain of EV, tentatively named SEV-gx, was identified by viral metagenomic analysis from stool samples of rhesus macaques in China. In total, 27 of 280 (9.6%) faecal samples from rhesus macaques were positive for SEV-gx. Its complete genomic sequence is 7,367 nucleotide (nt). Genomic analyses showed that it has a standard genomic organisation for EVs, being more closely related to EV-J strains (approximately 54...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27321744/protective-efficacy-of-an-inactivated-eurasian-avian-like-h1n1-swine-influenza-vaccine-against-homologous-h1n1-and-heterologous-h1n1-and-h1n2-viruses-in-mice
#19
Jinyu Sui, Dawei Yang, Chuanling Qiao, Huiyang Xu, Bangfeng Xu, Yunpu Wu, Huanliang Yang, Yan Chen, Hualan Chen
Eurasian avian-like H1N1 (EA H1N1) swine influenza viruses are prevalent in pigs in Europe and Asia, but occasionally cause human infection, which raises concern about their pandemic potential. Here, we produced a whole-virus inactivated vaccine with an EA H1N1 strain (A/swine/Guangxi/18/2011, SW/GX/18/11) and evaluated its efficacy against homologous H1N1 and heterologous H1N1 and H1N2 influenza viruses in mice. A strong humoral immune response, which we measured by hemagglutination inhibition (HI) and virus neutralization (VN), was induced in the vaccine-inoculated mice upon challenge...
July 19, 2016: Vaccine
https://www.readbyqxmd.com/read/27309064/protective-efficacy-of-an-h5n1-inactivated-vaccine-against-challenge-with-lethal-h5n1-h5n2-h5n6-and-h5n8-influenza-viruses-in-chickens
#20
Xianying Zeng, Pucheng Chen, Liling Liu, Guohua Deng, Yanbing Li, Jianzhong Shi, Huihui Kong, Huapeng Feng, Jie Bai, Xin Li, Wenjun Shi, Guobin Tian, Hualan Chen
The Goose/Guangdong-lineage H5 viruses have evolved into diverse clades and subclades based on their hemagglutinin (HA) gene during their circulation in wild birds and poultry. Since late 2013, the clade 2.3.4.4 viruses have become widespread in poultry and wild bird populations around the world. Different subtypes of the clade 2.3.4.4 H5 viruses, including H5N1, H5N2, H5N6, and H5N8, have caused vast disease outbreaks in poultry in Asia, Europe, and North America. In this study, we developed a new H5N1 inactivated vaccine by using a seed virus (designated as Re-8) that contains the HA and NA genes from a clade 2...
May 2016: Avian Diseases
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