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https://www.readbyqxmd.com/read/27933748/exploring-glucocorticoid-receptor-agonists-mechanism-of-action-through-mass-cytometry-and-radial-visualizations
#1
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/27933287/the-generalized-relative-pairs-ibd-distribution-its-use-in-the-detection-of-linkage
#2
Quan Zou
I introduce a novel approach to derive the distribution of disease affectional status given alleles identical by descent (IBD) sharing through ITO method. My approach tremendously simplifies the calculation of the affectional status distribution compared to the conventional method, which requires the parental mating information, and could be applied to disease with both dichotomous trait and quantitative trait locus (QTL). This distribution is shown to be independent of relative relationship and be employed to develop the marker IBD distributions for relative relationship...
2016: Frontiers in Public Health
https://www.readbyqxmd.com/read/27932987/limits-of-applicability-of-the-voronoi-tessellation-determined-by-centers-of-cell-nuclei-to-epithelium-morphology
#3
Sara Kaliman, Christina Jayachandran, Florian Rehfeldt, Ana-Sunčana Smith
It is well accepted that cells in the tissue can be regarded as tiles tessellating space. A number of approaches were developed to find an appropriate mathematical description of such cell tiling. A particularly useful approach is the so called Voronoi tessellation, built from centers of mass of the cell nuclei (CMVT), which is commonly used for estimating the morphology of cells in epithelial tissues. However, a study providing a statistically sound analysis of this method's accuracy is not available in the literature...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27932697/htra3-isoform-specific-elisas-for-early-detection-of-preeclampsia
#4
Yao Wang, Ying Li, Jonathan Hyett, Fabricio da Silva Costa, Guiying Nie
Preeclampsia is a serious disorder of human pregnancy occurring after 20 weeks of gestation. It can be divided into subtypes of early onset (<34 weeks of gestation) and late onset (>34 weeks). Presymptomatic detection to identify those at high risk is important for managing this disease. HtrA3, a serine protease with high expression in the developing placenta, exists in long (HtrA3-L) and short (HtrA3-S) isoforms. They are identical, except HtrA3-S lacks the C-terminal PDZ domain. We have previously shown by Western blot analysis that serum HtrA3 levels at the end of the first trimester are significantly higher in women who later develop preeclampsia than in controls...
December 8, 2016: Journal of Biomolecular Screening
https://www.readbyqxmd.com/read/27930938/short-forms-of-the-utrecht-management-of-identity-commitments-scale-u-mics-with-the-domains-of-job-romantic-relationship-and-region
#5
Elisabeth Schubach, Julia Zimmermann, Peter Noack, Franz J Neyer
The U-MICS is a self-report questionnaire designed to assess the identity dimensions from a domain-specific perspective. The present study reports on the development of a short-form version for the domains of job and romantic relationship in young adults from Germany and extends this scale to include the domain of region (nSample1 = 95, 84% female, mean age 22.45 years; nSample2 = 1,795, 71% female, mean age 24.53 years). We found the short form to possess adequate psychometric properties and to demonstrate a factor structure congruent to the long-form version...
December 5, 2016: Journal of Adolescence
https://www.readbyqxmd.com/read/27930669/development-of-rna-fish-assay-for-detection-of-oncogenic-fgfr3-tacc3-fusion-genes-in-ffpe-samples
#6
Masahiro Kurobe, Takahiro Kojima, Kouichi Nishimura, Shuya Kandori, Takashi Kawahara, Takayuki Yoshino, Satoshi Ueno, Yuichi Iizumi, Koji Mitsuzuka, Yoichi Arai, Hiroshi Tsuruta, Tomonori Habuchi, Takashi Kobayashi, Yoshiyuki Matsui, Osamu Ogawa, Mikio Sugimoto, Yoshiyuki Kakehi, Yoshiyuki Nagumo, Masakazu Tsutsumi, Takehiro Oikawa, Koji Kikuchi, Hiroyuki Nishiyama
INTRODUCTION AND OBJECTIVES: Oncogenic FGFR3-TACC3 fusions and FGFR3 mutations are target candidates for small molecule inhibitors in bladder cancer (BC). Because FGFR3 and TACC3 genes are located very closely on chromosome 4p16.3, detection of the fusion by DNA-FISH (fluorescent in situ hybridization) is not a feasible option. In this study, we developed a novel RNA-FISH assay using branched DNA probe to detect FGFR3-TACC3 fusions in formaldehyde-fixed paraffin-embedded (FFPE) human BC samples...
2016: PloS One
https://www.readbyqxmd.com/read/27930437/case-of-metastatic-urothelial-carcinoma-of-the-retina-and-vitreous
#7
Katherine E Whalen, Ralph C Eagle, Tamara R Vrabec
PURPOSE: To report a rare case of vitreo-retinal metastasis from urothelial carcinoma of the bladder. METHODS: Case report. RESULTS: A 55-year-old man with a history of bladder cancer developed atypical vitritis and a white fundus mass. Intravenous fluorescein angiography demonstrated connection between the retinal and tumor vasculature consistent with a retinal malignancy. Cytologic analysis of the vitreous sample revealed large, atypical cells with pleomorphic nuclei, mucin vacuoles, and rare mitotic figures...
December 7, 2016: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/27928670/tensile-strength-and-failure-load-of-sutures-for-robotic-surgery
#8
Ahmad Abiri, Omeed Paydar, Anna Tao, Megan LaRocca, Kang Liu, Bradley Genovese, Robert Candler, Warren S Grundfest, Erik P Dutson
BACKGROUND: Robotic surgical platforms have seen increased use among minimally invasive gastrointestinal surgeons (von Fraunhofer et al. in J Biomed Mater Res 19(5):595-600, 1985. doi: 10.1002/jbm.820190511 ). However, these systems still suffer from lack of haptic feedback, which results in exertion of excessive force, often leading to suture failures (Barbash et al. in Ann Surg 259(1):1-6, 2014. doi: 10.1097/SLA.0b013e3182a5c8b8 ). This work catalogs tensile strength and failure load among commonly used sutures in an effort to prevent robotic surgical consoles from exceeding identified thresholds...
December 7, 2016: Surgical Endoscopy
https://www.readbyqxmd.com/read/27927998/role-and-functioning-of-bhlh-transcription-factors-in-jasmonate-signalling
#9
REVIEW
Jonas Goossens, Jan Mertens, Alain Goossens
Plant growth, development and interaction with the environment involve the action of multiple phytohormones. Transcription factors (TFs) of diverse families play essential roles in the signalling cascades triggered by the perception of a particular hormone. TFs may act alone or in a combinatorial fashion with other TFs, and may act specifically in a single hormonal signalling cascade or as signalling hubs for multiple hormones. In the signalling cascades triggered by the phytohormone jasmonate (JA), which modulates a diverse, but specific, range of aspects of plant growth, development and defence, the TFs of the basic helix-loop-helix (bHLH) family play an essential and often conserved role in the plant kingdom...
December 7, 2016: Journal of Experimental Botany
https://www.readbyqxmd.com/read/27927684/in-vitro-patterning-of-pluripotent-stem-cell-derived-intestine-recapitulates-in-vivo-human-development
#10
Yu-Hwai Tsai, Roy Nattiv, Priya H Dedhia, Melinda S Nagy, Alana M Chin, Matthew Thomson, Ophir Klein, Jason Spence
The intestine plays a central role in digestion, nutrient absorption and metabolism, with individual regions of the intestine having distinct functional roles. For example, the most proximal region of the small intestine, the duodenum, is associated with absorption of micronutrients such as iron and folate, whereas the more distal ileum is responsible for recycling bile salts. Many examples of region-specific gene expression in the adult intestine are known, but how intestinal regional identity is established during development is a largely open question...
December 7, 2016: Development
https://www.readbyqxmd.com/read/27927181/genome-wide-identification-phylogeny-and-expression-analysis-of-pectin-methylesterases-reveal-their-major-role-in-cotton-fiber-development
#11
Weijie Li, Haihong Shang, Qun Ge, Changsong Zou, Juan Cai, Daojie Wang, Senmiao Fan, Zhen Zhang, Xiaoying Deng, Yunna Tan, Weiwu Song, Pengtao Li, Palanga Kibalou Koffi, Muhammad Jamshed, Quanwei Lu, Wankui Gong, Junwen Li, Yuzhen Shi, Tingting Chen, Juwu Gong, Aiying Liu, Youlu Yuan
BACKGROUND: Pectin methylesterase (PME, EC 3.1.1.11) is a hydrolytic enzyme that utilizes pectin as substrates, and plays a significant role in regulating pectin reconstruction thereby regulating plant growth. Pectin is one of the important components of the plant cell wall, which forms the main structural material of cotton fiber. In this research, cotton genome information was used to identify PMEs. RESULTS: We identified 80 (GaPME01-GaPME80) PME genes from diploid G...
December 7, 2016: BMC Genomics
https://www.readbyqxmd.com/read/27924537/targeting-aflatoxin-biosynthetic-genes
#12
Ali Y Srour, Ahmad M Fakhoury, Robert L Brown
Chemical detoxification and physical destruction of aflatoxins in foods and feed commodities are mostly unattainable in a way that preserves the edibility of the food. Therefore, preventing mycotoxins in general and aflatoxins in particular from entering the food chain is a better approach. This requires early detection of the aflatoxin-causing organisms. Detection and quantification of aflatoxin-producing fungi has always been a challenge, especially within species of Aspergillus and Penicillium. Culture-based methods require a high level of expertise and a list of sophisticated equipment...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27924139/outcome-of-a-four-hour-smoking-cessation-counselling-workshop-for-medical-students
#13
Kurosch Purkabiri, Valentina Steppacher, Kathrin Bernardy, Nikola Karl, Verena Vedder, Michèle Borgmann, Anja Rogausch, Uz Stammberger, Robert Bals, Tobias Raupach, Volker Koellner, Jürg Hamacher
BACKGROUND: Lack of smoking cessation education in undergraduate medical training hinders healthcare professionals in providing adequate tobacco cessation counselling. We developed a comprehensive 4-h smoking cessation counselling course for medical students that is easy to incorporate in a medical school curriculum, and assessed its short-term outcome for knowledge, skills, and attitudes. METHODS: Eighty-eight medical students (53f, 35 m) were educated by a doctoral student in five identical 4-h courses...
2016: Tobacco Induced Diseases
https://www.readbyqxmd.com/read/27923908/estrogen-activation-of-microglia-underlies-the-sexually-dimorphic-differences-in-nf1-optic-glioma-induced-retinal-pathology
#14
Joseph A Toonen, Anne C Solga, Yu Ma, David H Gutmann
Children with neurofibromatosis type 1 (NF1) develop low-grade brain tumors throughout the optic pathway. Nearly 50% of children with optic pathway gliomas (OPGs) experience visual impairment, and few regain their vision after chemotherapy. Recent studies have revealed that girls with optic nerve gliomas are five times more likely to lose vision and require treatment than boys. To determine the mechanism underlying this sexually dimorphic difference in clinical outcome, we leveraged Nf1 optic glioma (Nf1-OPG) mice...
December 6, 2016: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/27923589/comparative-detection-of-a-large-population-of-grapevine-viruses-by-taqman-%C3%A2-rt-qpcr-and-elisa
#15
Sébastien Bruisson, Sylvain Lebel, Bernard Walter, Laurent Prevotat, Sam Seddas, Paul Schellenbaum
Grapevine (Vitis spp) can be infected by numerous viruses that are often widespread and of great economic importance. Reliable detection methods are necessary for sanitary selection which is the only way to partly control grapevine virus diseases. Biological indexing and ELISA are currently the standard methods for screening propagation material, and PCR-methods are becoming increasingly popular. Due to the diversity of virus isolates, it is essential to verify that the tests allow the detection of the largest possible virus populations...
December 3, 2016: Journal of Virological Methods
https://www.readbyqxmd.com/read/27923068/gene-expression-correlates-with-the-number-of-herpes-viral-genomes-initiating-infection-in-single-cells
#16
Efrat M Cohen, Oren Kobiler
Viral gene expression varies significantly among genetically identical cells. The sources of these variations are not well understood and have been suggested to involve both deterministic host differences and stochastic viral host interactions. For herpesviruses, only a limited number of incoming viral genomes initiate expression and replication in each infected cell. To elucidate the effect of this limited number of productively infecting genomes on viral gene expression in single cells, we constructed a set of fluorescence-expressing genetically tagged herpes recombinants...
December 6, 2016: PLoS Pathogens
https://www.readbyqxmd.com/read/27922934/psychometric-properties-of-the-chinese-version-of-the-menopause-specific-quality-of-life-questionnaire
#17
Guangning Nie, Hongyan Yang, Jian Liu, ChunMei Zhao, Xiaoyun Wang
OBJECTIVE: The Menopause-Specific Quality-of-Life (MENQOL) questionnaire was developed as a specific tool to measure the health-related quality-of-life of postmenopausal women. Thus far, the Chinese version questionnaire has not been subjected to psychometric assessment with a large sample. This study aims to evaluate the validity and reliability of the Chinese version of the MENQOL specific to postmenopausal women in China. METHODS: A total of 1,137 menopausal symptomatic and 491 menopausal asymptomatic women from eight cities in China were recruited using a convenience sampling method...
December 5, 2016: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/27922726/bichromophoric-compounds-with-orthogonally-and-parallelly-arranged-chromophores-separated-by-rigid-spacers
#18
Dirk N H Meineke, Mariano L Bossi, Haisen Ta, Vladimir N Belov, Stefan W Hell
Electronic energy transfer (EET) between chromophores is of fundamental importance for many biological processes and optoelectronic devices. However, common models fall short in fully describing the process, especially in bichromophoric model systems with a donor and acceptor connected by a rigid linker providing perpendicular geometries. Herein, we report a novel strategy to prepare bichromophores containing adamantane or 2-(2-adamantylidene)-adamantane as rigid spacers, providing a fixed distance between chromophores, and their parallel or perpendicular arrangement without chromophore rotation...
December 6, 2016: Chemistry: a European Journal
https://www.readbyqxmd.com/read/27922239/predictors-of-self-esteem-in-adolescents-with-a-psychiatric-referral
#19
Devrim Akdemir, Tuna Çak, Cihan Aslan, Büşra Sultan Aydos, Kevser Nalbant, Füsun Çuhadaroğlu-Çetin
In the literature self-esteem is found to be lower in clinically referred adolescents compared to adolescents without any psychiatric disorder. The aim of this study is to examine self-esteem and associated socio-demographical and psychological factors in clinically referred adolescents in Turkey. Three hundred forty-nine adolescents aged between 12 and 18 years admitted to the Department of Child and Adolescent Psychiatry with a psychiatric complaint were enrolled. Rosenberg Self-Esteem Scale (RSES), Brief Symptom Inventory (BSI), Parenting Style Scale (PSS) and Sense of Identity Assessment Form (SIAF) were used for the evaluation...
2016: Turkish Journal of Pediatrics
https://www.readbyqxmd.com/read/27921996/the-cns-connectome-of-a-tadpole-larva-of-ciona-intestinalis-l-highlights-sidedness-in-the-brain-of-a-chordate-sibling
#20
Kerrianne Ryan, Zhiyuan Lu, Ian A Meinertzhagen
Left-right asymmetries in brains are usually minor or cryptic. We report brain asymmetries in the tiny, dorsal tubular nervous system of the ascidian tadpole larva, Ciona intestinalis. Chordate in body plan and development, the larva provides an outstanding example of brain asymmetry. Although early neural development is well studied, detailed cellular organization of the swimming larva's CNS remains unreported. Using serial-section EM we document the synaptic connectome of the larva's 177 CNS neurons. These formed 6618 synapses including 1772 neuromuscular junctions, augmented by 1206 gap junctions...
December 6, 2016: ELife
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