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https://www.readbyqxmd.com/read/28445506/phenotype-function-and-differentiation-potential-of-human-monocyte-subsets
#1
Lisa B Boyette, Camila Macedo, Kevin Hadi, Beth D Elinoff, John T Walters, Bala Ramaswami, Geetha Chalasani, Juan M Taboas, Fadi G Lakkis, Diana M Metes
Human monocytes have been grouped into classical (CD14++CD16-), non-classical (CD14dimCD16++), and intermediate (CD14++CD16+) subsets. Documentation of normal function and variation in this complement of subtypes, particularly their differentiation potential to dendritic cells (DC) or macrophages, remains incomplete. We therefore phenotyped monocytes from peripheral blood of healthy subjects and performed functional studies on high-speed sorted subsets. Subset frequencies were found to be tightly controlled over time and across individuals...
2017: PloS One
https://www.readbyqxmd.com/read/28438224/early-strong-intrathecal-inflammation-in-cerebellar-type-multiple-system-atrophy-by-cerebrospinal-fluid-cytokine-chemokine-profiles-a-case-control-study
#2
Ryo Yamasaki, Hiroo Yamaguchi, Takuya Matsushita, Takayuki Fujii, Akio Hiwatashi, Jun-Ichi Kira
BACKGROUND: The pathology of multiple system atrophy cerebellar-type (MSA-C) includes glial inflammation; however, cerebrospinal fluid (CSF) inflammatory cytokine profiles have not been investigated. In this study, we determined CSF cytokine/chemokine/growth factor profiles in MSA-C and compared them with those in hereditary spinocerebellar ataxia (SCA). METHODS: We collected clinical data and CSF from 20 MSA-C patients, 12 hereditary SCA patients, and 15 patients with other non-inflammatory neurological diseases (OND), and measured 27 cytokines/chemokines/growth factors using a multiplexed fluorescent bead-based immunoassay...
April 24, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28436608/a-fukui-function-guided-genetic-algorithm-assessment-on-structural-prediction-of-sin-n%C3%A2-%C3%A2-12-20-clusters
#3
Osvaldo Yañez, Alejandro Vásquez-Espinal, Diego Inostroza, Lina Ruiz, Ricardo Pino-Rios, William Tiznado
Theoretical studies are essential for the structural characterization of clusters, when it comes to rationalize their unique size-dependent properties and composition. However, the rapid growth of local minima on the potential energy surface (PES), with respect to cluster size, makes the candidate identification a challenging undertaking. In this article, we introduce a hybrid strategy to explore the PES of clusters. This proposal involves the use of a biased initial population of a genetic algorithm procedure...
April 24, 2017: Journal of Computational Chemistry
https://www.readbyqxmd.com/read/28436460/histological-validation-of-fast-macromolecular-proton-fraction-mapping-as-a-quantitative-myelin-imaging-method-in-the-cuprizone-demyelination-model
#4
Marina Yu Khodanovich, Irina V Sorokina, Valentina Yu Glazacheva, Andrey E Akulov, Nikolay M Nemirovich-Danchenko, Alexander V Romashchenko, Tatyana G Tolstikova, Lilia R Mustafina, Vasily L Yarnykh
Cuprizone-induced demyelination in mice is a frequently used model in preclinical multiple sclerosis research. A recent quantitative clinically-targeted MRI method, fast macromolecular proton fraction (MPF) mapping demonstrated a promise as a myelin biomarker in human and animal studies with a particular advantage of sensitivity to both white matter (WM) and gray matter (GM) demyelination. This study aimed to histologically validate the capability of MPF mapping to quantify myelin loss in brain tissues using the cuprizone demyelination model...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28434940/prospective-isolation-and-comparison-of-human-germinal-matrix-and%C3%A2-glioblastoma-egfr-populations-with-stem-cell-properties
#5
Jessica Tome-Garcia, Rut Tejero, German Nudelman, Raymund L Yong, Robert Sebra, Huaien Wang, Mary Fowkes, Margret Magid, Martin Walsh, Violeta Silva-Vargas, Elena Zaslavsky, Roland H Friedel, Fiona Doetsch, Nadejda M Tsankova
Characterization of non-neoplastic and malignant human stem cell populations in their native state can provide new insights into gliomagenesis. Here we developed a purification strategy to directly isolate EGFR(+/-) populations from human germinal matrix (GM) and adult subventricular zone autopsy tissues, and from de novo glioblastoma (GBM) resections, enriching for cells capable of binding EGF ligand ((LB)EGFR(+)), and uniquely compared their functional and molecular properties. (LB)EGFR(+) populations in both GM and GBM encompassed all sphere-forming cells and displayed proliferative stem cell properties in vitro...
April 19, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28433388/magnetic-resonance-and-diffusion-tensor-imaging-analyses-indicate-heterogeneous-strains-along-human-medial-gastrocnemius-fascicles-caused-by-submaximal-plantar-flexion-activity
#6
Agah Karakuzu, Uluç Pamuk, Cengizhan Ozturk, Burak Acar, Can A Yucesoy
Sarcomere length changes are central to force production and excursion of skeletal muscle. Previous modeling indicates non-uniformity of that if mechanical interaction of muscle with its surrounding muscular and connective tissues is taken into account. Hence, quantifying length changes along the fascicles of activated human muscle in vivo is crucial, but this is lacking due to technical complexities. Combining magnetic resonance imaging deformation analyses and diffusion tensor imaging tractography, the aim was to test the hypothesis that submaximal plantar flexion activity at 15% MVC causes heterogeneous length changes along the fascicles of human medial gastrocnemius (GM) muscle...
April 9, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28431001/invasive-aspergillosis-in-patients-with-underlying-liver-cirrhosis-a-prospective-cohort-study
#7
Juergen Prattes, Martin Hoenigl, Robert Krause, Walter Buzina, Thomas Valentin, Frederike Reischies, Christoph Koidl, Ines Zollner-Schwetz
The aim of this study was to determine the prevalence of invasive aspergillosis (IA) in patients with liver cirrhosis and the performance of serum galactomannan (GM) screening. Patients with decompensated liver cirrhosis and patients with compensated liver cirrhosis presenting with fever and/or respiratory symptoms were prospectively enrolled. All patients were screened by serum GM twice weekly irrespective of clinical signs and symptoms. Positive serum GM triggered work-up consisting of chest computed tomography and in case of pathological findings bronchoscopy...
April 20, 2017: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/28428213/clinically-feasible-microstructural-mri-to-quantify-cervical-spinal-cord-tissue-injury-using-dti-mt-and-t2-weighted-imaging-assessment-of-normative-data-and-reliability
#8
A R Martin, B De Leener, J Cohen-Adad, D W Cadotte, S Kalsi-Ryan, S F Lange, L Tetreault, A Nouri, A Crawley, D J Mikulis, H Ginsberg, M G Fehlings
BACKGROUND AND PURPOSE: DTI, magnetization transfer, T2*-weighted imaging, and cross-sectional area can quantify aspects of spinal cord microstructure. However, clinical adoption remains elusive due to complex acquisitions, cumbersome analysis, limited reliability, and wide ranges of normal values. We propose a simple multiparametric protocol with automated analysis and report normative data, analysis of confounding variables, and reliability. MATERIALS AND METHODS: Forty healthy subjects underwent T2WI, DTI, magnetization transfer, and T2*WI at 3T in <35 minutes using standard hardware and pulse sequences...
April 20, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28422285/hematopoietic-stem-progenitor-cell-differentiation-towards-myeloid-lineage-is-modulated-by-light-light-receptor-signaling
#9
Weikai Chen, Xin Lv, Changlong Liu, Ruoping Chen, Jianhe Liu, Haiyan Dai, Gang-Ming Zou
The cytokine LT-related inducible ligand that competes for glycoprotein D binding to herpesvirus entry mediator on T cells (LIGHT) is a member of the tumor necrosis factor (TNF) superfamily. It is expressed primarily on activated T lymphocytes, and detectable on monocytes, granulocytes, and immune dendritic cells. It mainly plays a role in immune regulation including T cell activation and dendritic cell maturation. We recently reported its role as an inducer in embryonic stem cell differentiation, but its role in regulation of adult stem cell has not been defined...
April 19, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28421550/distribution-genetic-diversity-and-potential-spatiotemporal-scale-of-alien-gene-flow-in-crop-wild-relatives-of-rice-oryza-spp-in-colombia
#10
Evert Thomas, Eduardo Tovar, Carolina Villafañe, José Leonardo Bocanegra, Rodrigo Moreno
BACKGROUND: Crop wild relatives (CWRs) of rice hold important traits that can contribute to enhancing the ability of cultivated rice (Oryza sativa and O. glaberrima) to produce higher yields, cope with the effects of climate change, and resist attacks of pests and diseases, among others. However, the genetic resources of these species remain dramatically understudied, putting at risk their future availability from in situ and ex situ sources. Here we assess the distribution of genetic diversity of the four rice CWRs known to occur in Colombia (O...
December 2017: Rice
https://www.readbyqxmd.com/read/28418615/co-expression-of-gr79-epsps-and-gat-yields-herbicide-resistant-cotton-with-low-glyphosate-residues
#11
Chengzhen Liang, Bao Sun, Zhigang Meng, Zhaohong Meng, Yuan Wang, Guoqing Sun, Tao Zhu, Wei Lu, Wei Zhang, Waqas Malik, Min Lin, Rui Zhang, Sandui Guo
Glyphosate resistant (GR) crops have been adopted on a massive scale by North and South American farmers. Currently, about 80% of the 120 million hectares of the global genetically-modified (GM) crops are GR crop varieties. However, the adoption of GR plants in China has not occurred at the same pace, owing to several factors including, among other things, labor markets and the residual effects of glyphosate in transgenic plants. Here, we report the co-expression of codon-optimized forms of GR79 EPSPS and N-acetyltransferase (GAT) genes in cotton...
April 18, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28407664/fenugreek-a-potent-hypoglycaemic-herb-can-cause-central-hypothyroidism-via-leptin-a-threat-to-diabetes-phytotherapy
#12
Jayjeet Majumdar, Pratip Chakraborty, Analava Mitra, Nirmal Kumar Sarkar, Supriti Sarkar
Fenugreek (Trigonella foenum graecum), a medicinal herb with potent antihyperglycaemic and hypoglycaemic effects, is used to treat diabetes. This study is aimed to explore the interaction of fenugreek seed extract (FSE) and HPT (hypothalamic-pituitary-thyroid) axis in context of leptin secretion which have important role in normal and type-1 diabetic subjects. FSE (confirmed to contain trigonelline, diosgenin, 4 hydroxyisoleucine) was gavaged (0.25 gm/kg body weight/day) to normal and alloxan-induced type-1 diabetic rats for 4 weeks...
April 13, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28407075/once-daily-atazanavir-cobicistat-and-darunavir-cobicistat-exposure-over-72%C3%A2-h-post-dose-in-plasma-urine-and-saliva-contribution-to-drug-pharmacokinetic-knowledge
#13
Emilie R Elliot, Alieu Amara, Nicole Pagani, Laura Else, Graeme Moyle, Alex Schoolmeesters, Chris Higgs, Saye Khoo, Marta Boffito
Background: We investigated the pharmacokinetics (PK) of atazanavir/cobicistat and darunavir/cobicistat once daily over 72 h following drug intake cessation in plasma, saliva and urine. Methods: Healthy volunteers received a fixed-dose combination of 300/150 mg of atazanavir/cobicistat once daily for 10 days, followed by a 10 day washout period and then a fixed-dose combination of 800/150 mg of darunavir/cobicistat once daily for 10 days. Full PK profiles were assessed for each phase for 72 h following day 10 and parameters determined to the last measurable concentration in plasma, saliva and urine by non-compartmental methods...
April 12, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28406501/culture-dependent-enumeration-methods-failed-to-simultaneously-detect-disinfectant-injured-and-genetically-modified-escherichia-coli-in-drinking-water
#14
Jing Li, Lu Liu, Dong Yang, Wei-Li Liu, Zhi-Qiang Shen, Hong-Mei Qu, Zhi-Gang Qiu, Ai-Ming Hou, Da-Ning Wang, Chen-Shi Ding, Jun-Wen Li, Jian-Hua Guo, Min Jin
Underestimation of Escherichia coli in drinking water, an indicator microorganism of sanitary risk, may result in potential risks of waterborne diseases. However, the detection of disinfectant-injured or genetically modified (GM) E. coli has been largely overlooked so far. To evaluate the accuracy of culture-dependent enumeration with regard to disinfectant-injured and GM E. coli, chlorine- or ozone-injured wild-type (WT) and GM E. coli were prepared and characterized. Then, water samples contaminated with these E...
April 13, 2017: Environmental Science. Processes & Impacts
https://www.readbyqxmd.com/read/28406488/making-genomic-medicine-evidence-based-and-patient-centered-a-structured-review-and-landscape-analysis-of-comparative-effectiveness-research
#15
REVIEW
Kathryn A Phillips, Patricia A Deverka, Harold C Sox, Muin J Khoury, Lewis G Sandy, Geoffrey S Ginsburg, Sean R Tunis, Lori A Orlando, Michael P Douglas
Comparative effectiveness research (CER) in genomic medicine (GM) measures the clinical utility of using genomic information to guide clinical care in comparison to appropriate alternatives. We summarized findings of high-quality systematic reviews that compared the analytic and clinical validity and clinical utility of GM tests. We focused on clinical utility findings to summarize CER-derived evidence about GM and identify evidence gaps and future research needs. We abstracted key elements of study design, GM interventions, results, and study quality ratings from 21 systematic reviews published in 2010 through 2015...
April 13, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28404992/impacts-of-alpine-wetland-degradation-on-the-composition-diversity-and-trophic-structure-of-soil-nematodes-on-the-qinghai-tibetan-plateau
#16
Pengfei Wu, Hongzhi Zhang, Liwei Cui, Kyle Wickings, Shenglei Fu, Changting Wang
Alpine wetlands on the Qinghai-Tibetan Plateau are undergoing degradation. However, little is known regarding the response of soil nematodes to this degradation. We conducted investigations in a wet meadow (WM), a grassland meadow (GM), a moderately degraded meadow (MDM) and a severely degraded meadow (SDM) from April to October 2011. The nematode community taxonomic composition was similar in the WM, GM and MDM and differed from that in the SDM. The abundance declined significantly from the WM to the SDM. The taxonomic richness and Shannon index were comparable between the WM and MDM but were significantly lower in the SDM, and the Pielou evenness showed the opposite pattern...
April 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28401612/co-diversification-of-gastrointestinal-microbiota-and-phylogeny-in-passerines-is-not-explained-by-ecological-divergence
#17
Lucie Kropáčková, Martin Těšický, Tomáš Albrecht, Jan Kubovčiak, Dagmar Čížková, Oldřich Tomášek, Jean-François Martin, Lukáš Bobek, Tereza Králová, Petr Procházka, Jakub Kreisinger
Vertebrate gut microbiota (GM) is comprised of a taxonomically diverse consortium of symbiotic and commensal microorganisms that have a pronounced effect on host physiology, immune system function and health status. Despite much research on interactions between hosts and their GM, the factors affecting inter- and intra-specific GM variation in wild populations are still poorly known. We analyzed data on fecal microbiota composition in 51 passerine species (319 individuals) using Illumina MiSeq sequencing of bacterial 16S rRNA (V3-V4 variable region)...
April 12, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28401146/effects-of-bunch-rot-botrytis-cinerea-and-powdery-mildew-erysiphe-necator-fungal-diseases-on-wine-aroma
#18
Angela Lopez Pinar, Doris Rauhut, Ernst Ruehl, Andrea Buettner
This study aimed to characterize the effects of bunch rot and powdery mildew on the primary quality parameter of wine, the aroma. The influence of these fungal diseases was studied by comparative Aroma Extract Dilution Analyses (AEDA) and sensory tests. The effect of bunch rot was investigated on three grape varieties, namely White Riesling, Red Riesling and Gewürztraminer and that of powdery mildew on the hybrid Gm 8622-3; thereby, samples were selected that showed pronounced cases of infection to elaborate potential currently unknown effects...
2017: Frontiers in Chemistry
https://www.readbyqxmd.com/read/28398593/ccr5-expression-haplotype-and-immune-activation-in-protection-from-infection-in-hiv-exposed-uninfected-individuals-in-hiv-serodiscordant-relationships
#19
Shameem Z Jaumdally, Anabela Picton, Caroline T Tiemessen, Maria Paximadis, Heather B Jaspan, Hoyam Gamieldien, Lindi Masson, David Coetzee, Anna-Lise Williamson, Francesca Little, Pamela P Gumbi, Jo-Ann S Passmore
BACKGROUND: Several host factors have been implicated in resistance to HIV infection in individuals who remain HIV-seronegative despite exposure. In a cohort of HIV-serodiscordant heterosexual couples, we investigated interactions between systemic inflammation and T-cell activation in resistance to HIV infection. METHODS: Males and females in stable long-term relationships with either HIV-infected or uninfected partners were recruited, blood T-cell activation (CD38, HLA-DR, CCR5 and Ki67) and plasma cytokine concentrations were evaluated...
April 11, 2017: Immunology
https://www.readbyqxmd.com/read/28397871/studies-on-the-growth-performance-of-different-broiler-strains-at-high-altitude-and-evaluation-of-probiotic-effect-on-their-survivability
#20
Sahil Kalia, Vijay K Bharti, Deepak Gogoi, Arup Giri, Bhuvnesh Kumar
Identification of appropriate breeds of broilers and development of new feed additives is required for the development of poultry industry at high altitude. Therefore, this experiment was conducted first to identify the suitable broiler strain for this region. One week old chicks (150) from three broiler strains, i.e. Vencobb, RIR cross-bred, and Hubbard were randomly selected and divided equally into three groups. All the chicks were provided the same basal diet. The body weight gain and feed: gain responses were significantly (P < 0...
April 11, 2017: Scientific Reports
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