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https://www.readbyqxmd.com/read/27933753/mass-cytometry-of-follicular-lymphoma-tumors-reveals-intrinsic-heterogeneity-in-proteins-including-hla-dr-and-a-deficit-in-non-malignant-plasmablast-and-germinal-center-b-cell-populations
#1
Cara Ellen Wogsland, Allison Rae Greenplate, Arne Kolstad, June Helen Myklebust, Jonathan Michael Irish, Kanutte Huse
BACKGROUND: Follicular lymphoma (FL) is an indolent non-Hodgkin lymphoma that has a risk of transformation to more aggressive lymphoma. Relatively little is known about the non-malignant B-cell and T-cell subset composition within the tumor microenvironment and whether altered phenotypes are associated with patterns of lymphoma B-cell heterogeneity. METHODS: Two mass cytometry (CyTOF) panels were designed to immunophenotype B and T cells in FL tumors. Populations of malignant B cells, non-malignant B cells, and T cells from each FL tumor were identified and their phenotypes compared to B and T cells from healthy human tonsillar tissue...
December 9, 2016: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/27933717/mass-cytometry-analytical-approaches-reveal-cytokine-induced-changes-in-natural-killer-cells
#2
Elena Vendrame, Julia Fukuyama, Dara M Strauss-Albee, Susan Holmes, Catherine A Blish
BACKGROUND: Natural killer (NK) cells have antiviral and antitumor activity that could be harnessed for the treatment of infections and malignancies. To maintain cell viability and enhance antiviral and antitumor effects, NK cells are frequently treated with cytokines. Here we performed an extensive assessment of the effects of cytokines on the phenotype and function of human NK cells. METHODS: We used cytometry by time-of-flight (CyTOF) to evaluate NK cell repertoire changes after stimulation with interleukin (IL)-2, IL-15 or a combination of IL- 12/IL-15/IL-18...
December 9, 2016: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/27933084/photosystem-ii-functionality-in-barley-responds-dynamically-to-changes-in-leaf-manganese-status
#3
Sidsel B Schmidt, Marta Powikrowska, Ken S Krogholm, Bianca Naumann-Busch, Jan K Schjoerring, Søren Husted, Poul E Jensen, Pai R Pedas
A catalytic manganese (Mn) cluster is required for the oxidation of water in the oxygen-evolving complex (OEC) of photosystem II (PSII) in plants. Despite this essential role of Mn in generating the electrons driving photosynthesis, limited information is available on how Mn deficiency affects PSII functionality. We have here used parameters derived from measurements of fluorescence induction kinetics (OJIP transients), non-photochemical quenching (NPQ) and PSII subunit composition to investigate how latent Mn deficiency changes the photochemistry in two barley genotypes differing in Mn efficiency...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27932423/integrated-genomic-analysis-of-survival-outliers-in-glioblastoma
#4
Sen Peng, Harshil Dhurv, Brock Armstrong, Bodour Salhia, Christophe Legendre, Jeffrey Kiefer, Julianna Parks, Selene Virk, Andrew E Sloan, Quinn T Ostrom, Jill S Barnholtz-Sloan, Nhan L Tran, Michael E Berens
BACKGROUND: To elucidate molecular features associated with disproportionate survival of glioblastoma (GB) patients, we conducted deep genomic comparative analysis of a cohort of patients receiving standard therapy (surgery plus concurrent radiation and temozolomide); "GB outliers" were identified: long-term survivor of 33 months (LTS; n = 8) versus short-term survivor of 7 months (STS; n = 10). METHODS: We implemented exome, RNA, whole genome sequencing, and DNA methylation for collection of deep genomic data from STS and LTS GB patients...
December 8, 2016: Neuro-oncology
https://www.readbyqxmd.com/read/27931927/owned-dog-ecology-and-demography-in-villa-de-tezontepec-hidalgo-mexico
#5
Luz Maria Kisiel, Andria Jones-Bitton, Jan M Sargeant, Jason B Coe, D T Tyler Flockhart, Alejandro Reynoso Palomar, Erick J Canales Vargas, Amy L Greer
Dog overpopulation in developing countries has negative implications for the health and safety of people, including the transmission of zoonotic diseases, physical attacks and intimidation to humans and animals, as well as impacts on canine welfare. Understanding the ecology and demographic characteristics of a dog population can help in the planning and monitoring of canine population control programs. Little data exist regarding demography and dynamics of domestic dog populations in semi-urban areas in Mexico...
December 1, 2016: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/27930741/correction-safety-of-seasonal-malaria-chemoprevention-smc-with-sulfadoxine-pyrimethamine-plus-amodiaquine-when-delivered-to-children-under-10-years-of-age-by-district-health-services-in-senegal-results-from-a-stepped-wedge-cluster-randomized-trial
#6
J L NDiaye, B Cissé, E H Ba, J F Gomis, C T Ndour, J F Molez, F B Fall, C Sokhna, B Faye, E Kouevijdin, F K Niane, M Cairns, J F Trape, C Rogier, O Gaye, B M Greenwood, P J M Milligan
[This corrects the article DOI: 10.1371/journal.pone.0162563.].
2016: PloS One
https://www.readbyqxmd.com/read/27929929/diffusion-kurtosis-imaging-study-of-rectal-adenocarcinoma-associated-with-histopathologic-prognostic-factors-preliminary-findings
#7
Lan Zhu, Zilai Pan, Qian Ma, Wenjie Yang, Hongyuan Shi, Caixia Fu, Xu Yan, Lianjun Du, Fuhua Yan, Huan Zhang
Purpose To determine the correlation between diffusion kurtosis imaging (DKI)-derived parameters and prognostic factors for rectal adenocarcinoma. Materials and Methods This study was approved by the local institute review board, and written informed consent was obtained from each patient. Data from 56 patients (median age, 59.5 years; age range, 31-86 years) with rectal adenocarcinoma between April 2014 and September 2015 were involved in this prospective study. DKI (b = 0, 700, 1400, and 2100 sec/mm(2)) and conventional diffusion-weighted imaging (b = 0, 1000 sec/mm(2)) were performed...
December 5, 2016: Radiology
https://www.readbyqxmd.com/read/27929161/dna-ionogel-structure-and-self-assembly
#8
Pankaj Kumar Pandey, Kamla Rawat, V K Aswal, J Kohlbrecher, H B Bohidar
DNA dissolved in ionic liquid (IL) solution (1-ethyl-3-methylimidazolium chloride, [C2mim][Cl]) showed a transition to the gel phase ([DNA] ≥ 1% (w/v)). The gelation time was 400 s for the 1% [IL] sample which reduced to 260 s for 5% [IL] concentration. Gelation times, obtained from the viscosity and ergodicity breaking from the dynamic structure factor data, were remarkably identical to each other. Correspondingly, the gelation temperature which was ∼60 °C increased to 67 °C with [IL] content. The small angle neutron scattering (SANS) structure factor profile revealed the presence of the following three distinct length scales: (a) mesh size, ξ ≈ 3 ± 0...
December 8, 2016: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/27929079/from-function-to-phenotype-impaired-dna-binding-and-clustering-correlates-with-clinical-severity-in-males-with-missense-mutations-in-mecp2
#9
Taimoor I Sheikh, Juan Ausió, Hannah Faghfoury, Josh Silver, Jane B Lane, James H Eubanks, Patrick MacLeod, Alan K Percy, John B Vincent
Mutations in the MECP2 gene cause Rett syndrome (RTT). MeCP2 binds to chromocentric DNA through its methyl CpG-binding domain (MBD) to regulate gene expression. In heterozygous females the variable phenotypic severity is modulated by non-random X-inactivation, thus making genotype-phenotype comparisons unreliable. However, genotype-phenotype correlations in males with hemizygousMECP2 mutations can provide more accurate insights in to the true biological effect of specific mutations. Here, we compared chromatin organization and binding dynamics for twelve MeCP2 missense mutations (including two novel and the five most common MBD missense RTT mutations) and identifiedacorrelation with phenotype in hemizygous males...
December 8, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27927266/enzymatically-modified-starch-up-regulates-expression-of-incretins-and-sodium-coupled-monocarboxylate-transporter-in-jejunum-of-growing-pigs
#10
B U Metzler-Zebeli, R Ertl, D Grüll, T Molnar, Q Zebeli
Dietary effects on the host are mediated via modulation of the intestinal mucosal responses. The present study investigated the effect of an enzymatically modified starch (EMS) product on the mucosal expression of genes related to starch digestion, sugar and short-chain fatty acid (SCFA) absorption and incretins in the jejunum and cecum in growing pigs. Moreover, the impact of the EMS on hepatic expression of genes related to glucose and lipid metabolism, and postprandial serum metabolites were assessed. Barrows (n=12/diet; initial BW 29 kg) were individually fed three times daily with free access to a diet containing either EMS or waxy corn starch as control (CON) for 10 days...
December 8, 2016: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/27927182/the-complete-genome-sequence-of-the-african-buffalo-syncerus-caffer
#11
Brigitte Glanzmann, Marlo Möller, Nikki le Roex, Gerard Tromp, Eileen G Hoal, Paul D van Helden
BACKGROUND: The African buffalo (Syncerus caffer) is an important role player in the savannah ecosystem. It has become a species of relevance because of its role as a wildlife maintenance host for an array of infectious and zoonotic diseases some of which include corridor disease, foot-and-mouth disease and bovine tuberculosis. To date, no complete genome sequence for S. caffer had been available for study and the genomes of other species such as the domestic cow (Bos taurus) had been used as a proxy for any genetics analysis conducted on this species...
December 7, 2016: BMC Genomics
https://www.readbyqxmd.com/read/27926928/an-interactome-centered-protein-discovery-approach-reveals-novel-components-involved-in-mitosome-function-and-homeostasis-in-giardia-lamblia
#12
Samuel Rout, Jon Paulin Zumthor, Elisabeth M Schraner, Carmen Faso, Adrian B Hehl
Protozoan parasites of the genus Giardia are highly prevalent globally, and infect a wide range of vertebrate hosts including humans, with proliferation and pathology restricted to the small intestine. This narrow ecological specialization entailed extensive structural and functional adaptations during host-parasite co-evolution. An example is the streamlined mitosomal proteome with iron-sulphur protein maturation as the only biochemical pathway clearly associated with this organelle. Here, we applied techniques in microscopy and protein biochemistry to investigate the mitosomal membrane proteome in association to mitosome homeostasis...
December 2016: PLoS Pathogens
https://www.readbyqxmd.com/read/27926792/the-transcription-factor-pparalpha-is-overexpressed-and-is-associated-with-a-favourable-prognosis-in-idh-wildtype-primary-glioblastoma
#13
H R Haynes, P White, K M Hares, J Redondo, K C Kemp, W G B Singleton, C L Killick-Cole, J R Stevens, K Garadi, S Guglani, A Wilkins, K M Kurian
AIMS: PPARα agonists are in current clinical use as hypolipidaemic agents and show significant antineoplastic effects in human glioblastoma models. To date however, the expression of PPARα in large-scale glioblastoma data sets has not been examined. We aimed to investigate the expression of the transcription factor PPARα in primary glioblastoma, the relationship between PPARα expression and patients' clinicopathological features and other molecular markers associated with gliomagenesis...
December 7, 2016: Histopathology
https://www.readbyqxmd.com/read/27925796/a-severe-asthma-disease-signature-from-gene-expression-profiling-of-peripheral-blood-from-u-biopred-cohorts
#14
Jeannette Bigler, Michael Boedigheimer, James P R Schofield, Paul J Skipp, Julie Corfield, Anthony Rowe, Ana R Sousa, Martin Timour, Lori Twehues, Xuguang Hu, Graham Roberts, Andrew A Welcher, Wen Yu, Kian F Chung, Ian M Adcock, Peter J Sterk, Ratko Djukanović
RATIONALE: Stratification of asthma at the molecular level, especially using accessible biospecimens, could greatly enable patient selection for targeted therapy. OBJECTIVES: To determine the value of blood to identify transcriptional differences between clinically defined asthmatic and non-asthmatic groups, identify potential patient subgroups based on gene expression, and explore biological pathways associated with identified differences. METHODS: Transcriptomics profiles were generated by microarray analysis of blood from 610 asthmatic and control participants in U-BIOPRED...
December 7, 2016: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/27925730/intrinsic-ferromagnetism-in-the-diluted-magnetic-semiconductor-co-tio_-2
#15
H Saadaoui, X Luo, Z Salman, X Y Cui, N N Bao, P Bao, R K Zheng, L T Tseng, Y H Du, T Prokscha, A Suter, T Liu, Y R Wang, S Li, J Ding, S P Ringer, E Morenzoni, J B Yi
Here we present a study of magnetism in Co_{0.05}Ti_{0.95}O_{2-δ} anatase films grown by pulsed laser deposition under a variety of oxygen partial pressures and deposition rates. Energy-dispersive spectrometry and transmission electron microscopy analyses indicate that a high deposition rate leads to a homogeneous microstructure, while a very low rate or postannealing results in cobalt clustering. Depth resolved low-energy muon spin rotation experiments show that films grown at a low oxygen partial pressure (≈10^{-6}  torr) with a uniform structure are fully magnetic, indicating intrinsic ferromagnetism...
November 25, 2016: Physical Review Letters
https://www.readbyqxmd.com/read/27925343/transplantation-of-thy1-cells-accelerates-liver-regeneration-by-enhancing-the-growth-of-small-hepatocyte-like-progenitor-cells-via-il17rb-signaling
#16
Norihisa Ichinohe, Masayuki Ishii, Naoki Tanimizu, Junko Kon, Yusuke Yoshioka, Takahiro Ochiya, Toru Mizuguchi, Koichi Hirata, Toshihiro Mitaka
Small hepatocyte-like progenitor cells (SHPCs) transiently form clusters in rat livers treated with retrorsine (Ret)/70% partial hepatectomy (PH). When Thy1(+) cells isolated from d-galactosamine-treated rat livers were transplanted into the livers of Ret/PH-treated rats, the mass of the recipient liver transiently increased during the first 30 days after transplantation, suggesting that liver regeneration was enhanced. Here we addressed how Thy1(+) cell transplantation stimulates liver regeneration. We found that the number and size of SHPC clusters increased in the liver at 14 days after transplantation...
December 7, 2016: Stem Cells
https://www.readbyqxmd.com/read/27924538/targeting-trichothecene-biosynthetic-genes
#17
Songhong Wei, Theo van der Lee, Els Verstappen, Marga van Gent, Cees Waalwijk
Biosynthesis of trichothecenes requires the involvement of at least 15 genes, most of which have been targeted for PCR. Qualitative PCRs are used to assign chemotypes to individual isolates, e.g., the capacity to produce type A and/or type B trichothecenes. Many regions in the core cluster (consisting of 12 genes) including intergenic regions have been used as targets for PCR, but the most robust assays are targeted to the tri3 and tri12 genes. Quantitative PCRs, that work across trichothecene-producing members of the Fusarium head blight complex, are described along with procedures to quantify the amount of fungal biomass in wheat samples...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27924422/spatial-overlap-between-people-and-non-human-primates-in-a-fragmented-landscape
#18
Sarah B Paige, Johanna Bleecker, Jonathan Mayer, Tony Goldberg
In western Uganda, the landscape surrounding Kibale National Park (KNP) contains households, trading centers, roads, fields, and forest fragments. The mosaic arrangement of these landscape features is thought to enhance human-primate interaction, leading to primate population declines and increased bi-directional disease transmission. Using a social-ecological systems research framework that captures the complexity of interaction among people, wildlife, and environment, we studied five forest fragments near KNP and conducted intensive on-the-ground mapping to identify locations of human-primate spatial overlap...
December 6, 2016: EcoHealth
https://www.readbyqxmd.com/read/27924126/utilization-of-in-silico-est-ssr-markers-for-diversity-studies-in-castor-ricinus-communis-l
#19
Ramesh Thatikunta, A Siva Sankar, J Sreelakshmi, Gouthami Palle, C Leela, Ch V Durga Rani, V Gouri Shankar, B Lavanya, P Narayana Reddy, M Y Dudhe
Castor (Ricinus communis L.) a chief non-edible oilseed crop has numerous industrial applications. Systematic genetic diversity analysis utilizing DNA based markers has been quick and reliable method that ensures selection of diverse parents for exploitation of higher levels of heterosis in breeding programs. From NCBI database, 63,852 EST sequences of castor were mined. One thousand one hundred and five (1105) EST-SSRs and 1652 repeat motifs sequences were identified from 20,495 non-redundant unigene sequences...
October 2016: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://www.readbyqxmd.com/read/27923841/biological-and-clinical-relevance-of-associated-genomic-alterations-in-myd88-l265p-and-non-l265p-mutated-diffuse-large-b-cell-lymphoma-analysis-of-361-cases
#20
Sydney Dubois, Pierre-Julien Viailly, Elodie Bohers, Philippe Bertrand, Philippe Ruminy, Vinciane Marchand, Catherine Maingonnat, Sylvain Mareschal, Jean-Michel Picquenot, Dominique Penther, Jean-Philippe Jais, Bruno Tesson, Pauline Peyrouze, Martin Figeac, Fabienne Desmots, Thierry Fest, Corinne Haioun, Thierry Lamy, Christiane Copie-Bergman, Bettina Fabiani, Richard Delarue, Frederic Peyrade, Marc André, Nicolas Ketterer, Karen Leroy, Gilles Salles, Thierry J Molina, Herve Tilly, Fabrice Jardin
PURPOSE: MYD88 mutations, notably the recurrent gain-of-function L265P variant, are a distinguishing feature of Activated B-Cell like (ABC) Diffuse Large B Cell Lymphoma (DLBCL), leading to constitutive NFkB pathway activation. The aim of this study was to examine the distinct genomic profiles of MYD88 mutant DLBCL, notably according to the presence of the L265P or other non-L265P MYD88 variants. EXPERIMENTAL DESIGN: A cohort of 361 DLBCL cases (94 MYD88 mutant and 267 MYD88 wild-type) was submitted to next generation sequencing (NGS) focusing on 34 genes in order to analyze associated mutations and copy number variations, as well as gene expression profiling, and clinical and prognostic analyses...
December 6, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
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