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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/27933750/comparing-glucose-and-hemoglobin-a1c-diagnostic-tests-among-a-high-metabolic-risk-hispanic-population
#2
Mónica A Vega-Vázquez, Margarita Ramirez-Vick, Francisco J Muñoz-Torres, Loida A González-Rodríguez, Kaumudi Joshipura
AIMS: Compare HbA1c diagnostic tests for pre-diabetes and diabetes with plasma glucose criteria (PGC), and compare the metabolic profiles of people classified by HbA1c versus by glucose levels. METHODS: Participants were recruited for the San Juan Overweight Adults Longitudinal Study (SOALS). Were primarily Hispanic (98%), without previously diagnosed diabetes, and aged 40-65 years. Participants classified as normal glycemic, pre-diabetes or diabetes based on baseline HbA1c and PGC, were compared with respect to baseline cardiometabolic factors...
December 9, 2016: Diabetes/metabolism Research and Reviews
https://www.readbyqxmd.com/read/27933748/exploring-glucocorticoid-receptor-agonists-mechanism-of-action-through-mass-cytometry-and-radial-visualizations
#3
Yann Abraham, Bertran Gerrits, Marie-Gabrielle Ludwig, Michael Rebhan, Caroline Gubser Keller
Recent advances in combining flow cytometry and mass spectrometry have led to the development of mass cytometry, allowing for the interrogation of complex cell populations on an unprecedented scale. The volumes and high dimensionality of mass cytometry data pose significant challenges in terms of analysis and visualization. We implement a method called Radviz (1-3), where multidimensional single cell data can be visualized as a projection that maintains the original dimensions and data complexity whilst facilitating analysis and visualization...
December 9, 2016: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/27933747/mental-health-and-well-being-in-older-people-butler-s-three-constructs-of-ageism-in-australasian-journal-on-ageing
#4
EDITORIAL
Sue Malta, Colleen Doyle
No abstract text is available yet for this article.
December 2016: Australasian Journal on Ageing
https://www.readbyqxmd.com/read/27933743/where-is-australasian-journal-on-ageing-being-read
#5
EDITORIAL
Lynne Parkinson, Jane Sims
No abstract text is available yet for this article.
December 2016: Australasian Journal on Ageing
https://www.readbyqxmd.com/read/27933740/fine-needle-aspiration-in-the-diagnosis-and-classification-of-hepatoblastoma-analysis-of-21-new-cases
#6
Tatjana Vlajnic, Hervé J Brisse, Isabelle Aerts, Paul Fréneaux, Cécile Cellier, Monique Fabre, Jerzy Klijanienko
BACKGROUND: Diagnosis of hepatoblastoma (HBL) is based on characteristic clinical and radiological presentation, young age and marked elevation of serum α-fetoprotein (aFP). Fine needle aspiration (FNA) technique is successfully used in the diagnosis of hepatoblastoma. To evaluate the value of FNA in the diagnosis and subtyping of HBL, we report our experience correlated to histological sections (core needle biopsy, CNB). METHODS: From 1991 to 2015, 21 cases from 20 patients were cytologically diagnosed as HBL...
December 9, 2016: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/27933737/testing-the-influence-of-surfactant-based-wound-dressings-on-proteinase-activity
#7
Sunyoung Jeong, Gregory S Schultz, Daniel J Gibson
Proteinases are enzymes that can digest other proteins. In chronic wounds, a sub-class of these enzymes with the ability to degrade the extracellular matrix (matrix metalloproteinases, MMPs) have been found to both inhibit healing and to be able to aid in enzymatically debriding a wound. Enzymatic debridement using the enzymes present in a wound is generally called autolytic debridement. Clinicians seeking to employ autolytic debridement typically use occlusive materials such as medical honey, alginate dressings and other occlusive dressings...
December 8, 2016: International Wound Journal
https://www.readbyqxmd.com/read/27933734/improved-quality-of-life-in-asthma-patients-under-long-term-therapy-assessed-by-ahq-japan
#8
Yuji Tohda, Takashi Iwanaga, Hiroyuki Sano, Hiroaki Kume, Kazuto Hirata, Noriyuki Ohkura, Isao Tachibana, Yoshihiro Nishimura, Hisako Matsumoto, Yoshiaki Minakata, Masanori Yoshikawa, Masaki Fujimura
BACKGROUND AND OBJECTIVES: Assessment of the effects of long-term management on patient quality of life (QOL) would be extremely useful for determining asthma treatment strategies. However, no studies have evaluated QOL over an extended period of time. This study evaluated the changes in QOL, drug management and disease severity in the same asthma patients at an interval of approximately 9 years. METHODS: We re-surveyed asthma patients enrolled in a survey conducted in 2004 to evaluate the effects of approximately a decade of treatment on disease severity and QOL assessed by the Japanese Asthma Health Questionnaire (AHQ-JAPAN)...
December 9, 2016: International Journal of Clinical Practice
https://www.readbyqxmd.com/read/27933733/mannich-bases-of-1-2-4-triazole-3-thione-containing-adamantane-moiety-synthesis-preliminary-anticancer-evaluation-and-molecular-modeling-studies
#9
Milorad Z Milošev, Katarina Jakovljević, Milan D Joksović, Tatjana Stanojković, Ivana Z Matić, Milka Perović, Vesna Tešić, Selma Kanazir, Milan Mladenović, Marko V Rodić, Vukadin M Leovac, Snežana Trifunović, Violeta Marković
A series of 18 novel N-Mannich bases derived from 5-adamantyl-1,2,4-triazole-3-thione was synthesized and characterized using NMR spectroscopy and X-ray diffraction technique. All derivatives were evaluated for their anticancer potential against four human cancer cell lines. Several tested compounds exerted good cytotoxic activities on K562 and HL-60 cell lines, along with pronounced selectivity, showing lower cytotoxicity against normal fibroblasts MRC-5 compared to cancer cells. The effects of compounds 5b, 5e and 5j on the cell cycle were investigated by flow cytometric analysis...
December 9, 2016: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/27933732/hypothesis-driven-physical-examination-curriculum
#10
Sharon Allen, Andrew Olson, Jeremiah Menk, James Nixon
BACKGROUND: Medical students traditionally learn physical examination skills as a rote list of manoeuvres. Alternatives like hypothesis-driven physical examination (HDPE) may promote students' understanding of the contribution of physical examination to diagnostic reasoning. We sought to determine whether first-year medical students can effectively learn to perform a physical examination using an HDPE approach, and then tailor the examination to specific clinical scenarios. Medical students traditionally learn physical examination skills as a rote list of manoeuvres CONTEXT: First-year medical students at the University of Minnesota were taught both traditional and HDPE approaches during a required 17-week clinical skills course in their first semester...
December 9, 2016: Clinical Teacher
https://www.readbyqxmd.com/read/27933731/independent-risk-factors-for-the-development-of-skin-erosion-due-to-incontinence-incontinence-associated-dermatitis-category-2-in-nursing-home-residents-results-from-a-multivariate-binary-regression-analysis
#11
Nele Van Damme, Karen Van den Bussche, Dorien De Meyer, Ann Van Hecke, Sofie Verhaeghe, Dimitri Beeckman
The aim of this study was to identify characteristics independently associated with a higher risk of developing skin damage because of incontinence [incontinence-associated dermatitis (IAD) category 2] in nursing home residents. As part of a larger randomised controlled trial, IAD incidence was monitored for 1 month in a sample of 381 incontinent residents using a validated IAD Severity Categorisation Tool. Data on demographical, physical, functional and psychological characteristics were collected. The overall IAD incidence (category 1-2) was 30·0%, and 6% of the participants developed skin damage (IAD category 2)...
December 9, 2016: International Wound Journal
https://www.readbyqxmd.com/read/27933730/reactivity-of-9-aminoacridine-drug-quinacrine-with-glutathione-limits-its-anti-prion-activity
#12
Martin Šafařík, Tibor Moško, Zbigniew Zawada, Eva Šafaříková, Martin Dračínský, Karel Holada, Jaroslav Šebestík
Quinacrine - the drug based on 9-aminoacridine - failed in clinical trials for prion diseases, whereas it was active in in-vitro studies. We hypothesize that aromatic nucleophilic substitution at C9 could be contributing factor responsible for this failure because of the transfer of acridine moiety from quinacrine to abundant glutathione. Here, we described the semi-large-scale synthesis of the acridinylated glutathione and the consequences of its formation on biological and biophysical activities. The acridinylated glutathione is one order of magnitude weaker prion protein binder than the parent quinacrine...
December 9, 2016: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/27933728/sequential-change-detection-and-monitoring-of-temporal-trends-in-random-effects-meta-analysis
#13
Samson Henry Dogo, Allan Clark, Elena Kulinskaya
Temporal changes in magnitude of effect sizes reported in many areas of research are a threat to the credibility of the results and conclusions of meta-analysis. Numerous sequential methods for meta-analysis have been proposed to detect changes and monitor trends in effect sizes so that meta-analysis can be updated when necessary and interpreted based on the time it was conducted. The difficulties of sequential meta-analysis under the random-effects model are caused by dependencies in increments introduced by the estimation of the heterogeneity parameter τ(2) ...
December 8, 2016: Research Synthesis Methods
https://www.readbyqxmd.com/read/27933726/inheritance-of-evolved-clethodim-resistance-in-lolium-rigidum-populations-from-australia
#14
Rupinder Kaur Saini, Jenna Malone, Gurjeet Gill, Christopher Preston
BACKGROUND: In Australia, the extensive use of clethodim for the control of Lolium rigidum has resulted in the evolution of many clethodim-resistant L.rigidum populations. Five clethodim-resistant populations of L. rigidum were analysed for the inheritance of clethodim resistance. RESULTS: Reciprocal crosses were made between resistant (R) and susceptible (S) populations. Within crosses, dose responses of reciprocal F1 families of all populations, except A61 were similar each other, indicating clethodim resistance in these populations is encoded on the nuclear genome...
December 8, 2016: Pest Management Science
https://www.readbyqxmd.com/read/27933725/cellular-engineering-for-therapeutic-protein-production-product-quality-host-modification-and-process-improvement
#15
REVIEW
Evan Wells, Anne Skaja Robinson
Recombinant proteins offer many therapeutic advantages unavailable in traditional small molecule drugs, but the need for cellular versus chemical synthesis complicates production. Avenues for producing therapeutic biologics are continuously expanding, and developments in biochemistry, cell biology, and bioengineering fuel new discoveries that promise safer, more efficient, and cheaper drugs for consumers. Numerous approaches to express recombinant proteins exist, but Escherichia coli, Saccharomyces cerevisiae, and mammalian systems (e...
December 9, 2016: Biotechnology Journal
https://www.readbyqxmd.com/read/27933723/comfa-topomer-comfa-and-hqsar-studies-on-a-series-of-novel-hiv-1-protease-inhibitors
#16
Afsane Heidari, Mohammad H Fatemi
Comparative molecular field analysis (CoMFA), topomer CoMFA and hologram QSAR (HQSAR) as three efficient methods of QSAR have been performed on 40 newly synthesized inhibitors against HIV-1 protease. Molecular alignment was done by aid of crystallographic structure of template inhibitor (indirectly alignment) and also by the molecular mechanic (MM) minimized structure. Both alignment methods produced satisfactory statistics for training set, but indirectly alignment had more predictive power. Generated counter maps, especially by topomer CoMFA, give comprehensive information about structural features affecting the inhibitory activities of studied chemicals...
December 9, 2016: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/27933721/shared-molecular-networks-in-orofacial-and-neural-tube-development
#17
Youssef A Kousa, Tamer A Mansour, Haitham Seada, Samaneh Matoo, Brian C Schutte
BACKGROUND: Single genetic variants can affect multiple tissues during development. Thus it is possible that disruption of shared gene regulatory networks might underlie syndromic presentations. In this study, we explore this idea through examination of two critical developmental programs that control orofacial and neural tube development and identify shared regulatory factors and networks. Identification of these networks has the potential to yield additional candidate genes for poorly understood developmental disorders and assist in modeling and perhaps managing risk factors to prevent morbidly and mortality...
December 9, 2016: Birth Defects Research. Part A, Clinical and Molecular Teratology
https://www.readbyqxmd.com/read/27933720/autogenous-bone-grafting-for-treatment-of-osseous-defect-after-impacted-mandibular-third-molar-extraction-a-randomized-controlled-trial
#18
Jing Ge, Chi Yang, Jiawei Zheng, Yingkai Hu
BACKGROUND: Extraction of impacted mandibular third molar (M3) has been cited as causing osseous defect at the distal aspect of the adjacent second molar (M2). PURPOSE: This randomized controlled trial was aimed to evaluate the effect of autogenous bone grafting in situ for regeneration of periodontal osseous defect distal to the M2 compared with non-grafting after impacted M3 removal. MATERIALS AND METHODS: A total of 60 sites in 51 adult patients were enrolled and randomly assigned to the control group or the test group...
December 8, 2016: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/27933719/depth-profiling-cross-linked-poly-methyl-methacrylate-films-a-tof-sims-approach
#19
Soheila Naderi-Gohar, Kevin M H Huang, Yiliang Wu, Woon Ming Lau, Heng-Yong Nie
RATIONALE: In order to determine the degree of cross-linking on the surface and its variations in a nanometer-scale depth of organic materials, we developed an approach based on time-of-flight secondary ion mass spectrometry (TOF-SIMS), which provides rich chemical information in the form of fragment ions. TOF-SIMS is extremely surface sensitive and capable of depth profiling with the use of a sputter ion beam to remove controllable amounts of substance. METHODS: Poly(methyl methacrylate) (PMMA) films spin-coated on a Si substrate were cross-linked using a recently developed, surface sensitive, hyperthermal hydrogen projectile bombardment technique...
December 9, 2016: Rapid Communications in Mass Spectrometry: RCM
https://www.readbyqxmd.com/read/27933718/constipation-in-older-people-a-consensus-statement
#20
Anton Emmanuel, Francesco Mattace-Raso, Maria Cristina Neri, Karl-Uwe Petersen, Enrique Rey, June Rogers
BACKGROUND AND AIMS: Chronic constipation is a serious medical condition that affects 30%-40% of people over 60 years old. Although not normally life threatening, constipation reduces quality of life by the same extent as diabetes and osteoarthritis. There are currently no Europe-wide guidelines for treating constipation in older people, although there is some country-level guidance for the general population. We have evaluated the existing guidance and best clinical practice to improve the care of older people with constipation...
December 9, 2016: International Journal of Clinical Practice
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