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https://www.readbyqxmd.com/read/27914092/synthesis-characterization-and-study-of-in-vitro-cytotoxicity-of-zno-fe3o4-magnetic-composite-nanoparticles-in-human-breast-cancer-cell-line-mda-mb-231-and-mouse-fibroblast-nih-3t3
#1
Gunjan Bisht, Sagar Rayamajhi, Biplab Kc, Siddhi Nath Paudel, Deepak Karna, Bhupal G Shrestha
Novel magnetic composite nanoparticles (MCPs) were successfully synthesized by ex situ conjugation of synthesized ZnO nanoparticles (ZnO NPs) and Fe3O4 NPs using trisodium citrate as linker with an aim to retain key properties of both NPs viz. inherent selectivity towards cancerous cell and superparamagnetic nature, respectively, on a single system. Successful characterization of synthesized nanoparticles was done by XRD, TEM, FTIR, and VSM analyses. VSM analysis showed similar magnetic profile of thus obtained MCPs as that of naked Fe3O4 NPs with reduction in saturation magnetization to 16...
December 2016: Nanoscale Research Letters
https://www.readbyqxmd.com/read/27914018/encapsulation-of-%C3%AE-sitosterol-in-polyurethane-by-sol-gel-electrospinning
#2
Musarat Amina, Touseef Amna, Nawal Al-Musayeib, Sami A Zabin, M Shamshi Hassan, Myung-Seob Khil
Pristine β-sitosterol or in combination with other phytosterols is utilized in an array of enriched commercial foods. Considering the presence of β-sitosterol in different functional foods and its potential role in prevention and cure of neurodegenerative diseases, the aims of our investigation were to encapsulate β-sitosterol in nanofibers and to estimate influence of β-sitosterol on proliferation of fibroblasts. Electrospun nanofibers have widely been used as scaffolds to mimic natural extracellular matrix...
December 2, 2016: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/27913885/effect-of-sensor-location-on-regional-cerebral-oxygen-saturation-measured-by-invos-5100-in-on-pump-cardiac-surgery
#3
Ah-Reum Cho, Jae-Young Kwon, Choongrak Kim, Jung-Min Hong, Christine Kang
PURPOSE: Near-infrared spectroscopy sensors often cannot be attached at the commercially recommended locations because combined use of neurological monitoring systems is common during on-pump cardiac surgery. The primary purpose of this study was to compare the incidence of regional cerebral oxygen desaturation and regional cerebral oxygen saturation values detected using near-infrared spectroscopy between the upper and lower forehead during on-pump cardiac surgery. METHODS: A prospective observational study was conducted with 25 adult patients scheduled for elective on-pump cardiac surgery...
December 2, 2016: Journal of Anesthesia
https://www.readbyqxmd.com/read/27910033/cytogenetic-resources-and-information
#4
Etienne De Braekeleer, Jean-Loup Huret, Hossain Mossafa, Philippe Dessen
The main databases devoted stricto sensu to cancer cytogenetics are the "Mitelman Database of Chromosome Aberrations and Gene Fusions in Cancer" ( http://cgap.nci.nih.gov/Chromosomes/Mitelman ), the "Atlas of Genetics and Cytogenetics in Oncology and Haematology" ( http://atlasgeneticsoncology.org ), and COSMIC ( http://cancer.sanger.ac.uk/cosmic ).However, being a complex multistep process, cancer cytogenetics are broadened to "cytogenomics," with complementary resources on: general databases (nucleic acid and protein sequences databases; cartography browsers: GenBank, RefSeq, UCSC, Ensembl, UniProtKB, and Entrez Gene), cancer genomic portals associated with recent international integrated programs, such as TCGA or ICGC, other fusion genes databases, array CGH databases, copy number variation databases, and mutation databases...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27907900/insulin-resistance-in-polycystic-ovary-syndrome-a-systematic-review-and-meta-analysis-of-euglycaemic-hyperinsulinaemic-clamp-studies
#5
Samantha Cassar, Marie L Misso, William G Hopkins, Christopher S Shaw, Helena J Teede, Nigel K Stepto
STUDY QUESTION: What is the degree of intrinsic insulin resistance (IR) in women with polycystic ovary syndrome (PCOS) and the relative contribution of BMI to overall IR based on meta-analysis of gold standard insulin clamp studies? SUMMARY ANSWER: We report an inherent reduction (-27%) of insulin sensitivity (IS) in PCOS patients, which was independent of BMI. WHAT IS ALREADY KNOWN: PCOS is prevalent, complex and underpinned by IR but controversies surround the degree of intrinsic IR in PCOS, the effect of BMI and the impact of the different diagnostic criteria (NIH versus Rotterdam) in PCOS...
November 2016: Human Reproduction
https://www.readbyqxmd.com/read/27906559/december-highlights-papers-by-junior-investigators-nih-news
#6
(no author information available yet)
No abstract text is available yet for this article.
December 2016: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/27904782/prognostic-values-of-dlk1-for-surgery-and-imatinib-mesylate-adjuvant-therapy-in-gastrointestinal-stromal-tumors
#7
Jia Xu, Ming Wang, Zizhen Zhang, Wenyi Zhao, Chaojie Wang, Lin Tu, Yeqian Zhang, Hui Cao
The Delta-like 1 homolog (DLK1) gene is a paternal imprinting gene located on human chromosome 14q32, a site associated with frequent chromosomal mutations in GIST. The expression level of DLK1 is closely associated with the outcome of tumours. However, no study has reported the DLK1 expression in GIST. Here, we demonstrated that DLK1 showed low expression in GIST patients with low risk according to the modified National Institute of Health (NIH) criteria. With increasing tumour risk level, DLK1 gene and protein expression levels gradually increased...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/27903890/pharos-collating-protein-information-to-shed-light-on-the-druggable-genome
#8
Dac-Trung Nguyen, Stephen Mathias, Cristian Bologa, Soren Brunak, Nicolas Fernandez, Anna Gaulton, Anne Hersey, Jayme Holmes, Lars Juhl Jensen, Anneli Karlsson, Guixia Liu, Avi Ma'ayan, Geetha Mandava, Subramani Mani, Saurabh Mehta, John Overington, Juhee Patel, Andrew D Rouillard, Stephan Schürer, Timothy Sheils, Anton Simeonov, Larry A Sklar, Noel Southall, Oleg Ursu, Dusica Vidovic, Anna Waller, Jeremy Yang, Ajit Jadhav, Tudor I Oprea, Rajarshi Guha
The 'druggable genome' encompasses several protein families, but only a subset of targets within them have attracted significant research attention and thus have information about them publicly available. The Illuminating the Druggable Genome (IDG) program was initiated in 2014, has the goal of developing experimental techniques and a Knowledge Management Center (KMC) that would collect and organize information about protein targets from four families, representing the most common druggable targets with an emphasis on understudied proteins...
November 29, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27900791/robust-graft-survival-and-normalized-dopaminergic-innervation-does-not-obligate-recovery-in-a-pd-patient
#9
Jeffrey H Kordower, Christopher G Goetz, Yaping Chu, Glenda M Halliday, Daniel A Nicholson, Timothy Musial, David J Marmion, A Jon Stoessl, Vesna Sossi, Thomas B Freeman, C Warren Olanow
OBJECTIVE: The main goal of dopamine cell replacement therapy in Parkinson's disease (PD) is to provide clinical benefit mediated by graft survival with nigrostriatal reinnervation. We report a dichotomy between graft structure and clinical function in a patient dying sixteen years following fetal nigral grafting. METHODS: A 55-year-old levodopa-responsive woman with PD received bilateral putamenal fetal mesencephalic grafts as part of an NIH-sponsored double-blind sham-controlled trial...
November 30, 2016: Annals of Neurology
https://www.readbyqxmd.com/read/27899743/e-aspects-software-is-non-inferior-to-neuroradiologists-in-applying-the-aspect-score-to-computed-tomography-scans-of-acute-ischemic-stroke-patients
#10
Simon Nagel, Devesh Sinha, Diana Day, Wolfgang Reith, René Chapot, Panagiotis Papanagiotou, Elizabeth A Warburton, Paul Guyler, Sharon Tysoe, Klaus Fassbender, Silke Walter, Marco Essig, Jens Heidenrich, Angelos A Konstas, Michael Harrison, Michalis Papadakis, Eric Greveson, Olivier Joly, Stephen Gerry, Holly Maguire, Christine Roffe, James Hampton-Till, Alastair M Buchan, Iris Q Grunwald
BACKGROUND: The Alberta Stroke Program Early Computed Tomography Score (ASPECTS) is an established 10-point quantitative topographic computed tomography scan score to assess early ischemic changes. We performed a non-inferiority trial between the e-ASPECTS software and neuroradiologists in scoring ASPECTS on non-contrast enhanced computed tomography images of acute ischemic stroke patients. METHODS: In this multicenter study, e-ASPECTS and three independent neuroradiologists retrospectively and blindly assessed baseline non-contrast enhanced computed tomography images of 132 patients with acute anterior circulation ischemic stroke...
November 29, 2016: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/27899678/virus-variation-resource-improved-response-to-emergent-viral-outbreaks
#11
Eneida L Hatcher, Sergey A Zhdanov, Yiming Bao, Olga Blinkova, Eric P Nawrocki, Yuri Ostapchuck, Alejandro A Schäffer, J Rodney Brister
The Virus Variation Resource is a value-added viral sequence data resource hosted by the National Center for Biotechnology Information. The resource is located at http://www.ncbi.nlm.nih.gov/genome/viruses/variation/ and includes modules for seven viral groups: influenza virus, Dengue virus, West Nile virus, Ebolavirus, MERS coronavirus, Rotavirus A and Zika virus Each module is supported by pipelines that scan newly released GenBank records, annotate genes and proteins and parse sample descriptors and then map them to controlled vocabulary...
November 28, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27899674/cdd-sparcle-functional-classification-of-proteins-via-subfamily-domain-architectures
#12
Aron Marchler-Bauer, Yu Bo, Lianyi Han, Jane He, Christopher J Lanczycki, Shennan Lu, Farideh Chitsaz, Myra K Derbyshire, Renata C Geer, Noreen R Gonzales, Marc Gwadz, David I Hurwitz, Fu Lu, Gabriele H Marchler, James S Song, Narmada Thanki, Zhouxi Wang, Roxanne A Yamashita, Dachuan Zhang, Chanjuan Zheng, Lewis Y Geer, Stephen H Bryant
NCBI's Conserved Domain Database (CDD) aims at annotating biomolecular sequences with the location of evolutionarily conserved protein domain footprints, and functional sites inferred from such footprints. An archive of pre-computed domain annotation is maintained for proteins tracked by NCBI's Entrez database, and live search services are offered as well. CDD curation staff supplements a comprehensive collection of protein domain and protein family models, which have been imported from external providers, with representations of selected domain families that are curated in-house and organized into hierarchical classifications of functionally distinct families and sub-families...
November 29, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27899660/cebs-a-comprehensive-annotated-database-of-toxicological-data
#13
Isabel A Lea, Hui Gong, Anand Paleja, Asif Rashid, Jennifer Fostel
The Chemical Effects in Biological Systems database (CEBS) is a comprehensive and unique toxicology resource that compiles individual and summary animal data from the National Toxicology Program (NTP) testing program and other depositors into a single electronic repository. CEBS has undergone significant updates in recent years and currently contains over 11 000 test articles (exposure agents) and over 8000 studies including all available NTP carcinogenicity, short-term toxicity and genetic toxicity studies...
November 28, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27899644/the-dbgap-data-browser-a-new-tool-for-browsing-dbgap-controlled-access-genomic-data
#14
Kira M Wong, Kristofor Langlais, Geoffrey S Tobias, Colette Fletcher-Hoppe, Donna Krasnewich, Hilary S Leeds, Laura Lyman Rodriguez, Georgy Godynskiy, Valerie A Schneider, Erin M Ramos, Stephen T Sherry
The database of Genotypes and Phenotypes (dbGaP) Data Browser (https://www.ncbi.nlm.nih.gov/gap/ddb/) was developed in response to requests from the scientific community for a resource that enable view-only access to summary-level information and individual-level genotype and sequence data associated with phenotypic features maintained in the controlled-access tier of dbGaP. Until now, the dbGaP controlled-access environment required investigators to submit a data access request, wait for Data Access Committee review, download each data set and locally examine them for potentially relevant information...
November 29, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27899599/pubchem-bioassay-2017-update
#15
Yanli Wang, Stephen H Bryant, Tiejun Cheng, Jiyao Wang, Asta Gindulyte, Benjamin A Shoemaker, Paul A Thiessen, Siqian He, Jian Zhang
PubChem's BioAssay database (https://pubchem.ncbi.nlm.nih.gov) has served as a public repository for small-molecule and RNAi screening data since 2004 providing open access of its data content to the community. PubChem accepts data submission from worldwide researchers at academia, industry and government agencies. PubChem also collaborates with other chemical biology database stakeholders with data exchange. With over a decade's development effort, it becomes an important information resource supporting drug discovery and chemical biology research...
November 29, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27899564/genbank
#16
Dennis A Benson, Mark Cavanaugh, Karen Clark, Ilene Karsch-Mizrachi, David J Lipman, James Ostell, Eric W Sayers
GenBank(®) (www.ncbi.nlm.nih.gov/genbank/) is a comprehensive database that contains publicly available nucleotide sequences for 370 000 formally described species. These sequences are obtained primarily through submissions from individual laboratories and batch submissions from large-scale sequencing projects, including whole genome shotgun (WGS) and environmental sampling projects. Most submissions are made using the web-based BankIt or the NCBI Submission Portal. GenBank staff assign accession numbers upon data receipt...
November 28, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27899561/database-resources-of-the-national-center-for-biotechnology-information
#17
(no author information available yet)
The National Center for Biotechnology Information (NCBI) provides a large suite of online resources for biological information and data, including the GenBank(®) nucleic acid sequence database and the PubMed database of citations and abstracts for published life science journals. The Entrez system provides search and retrieval operations for most of these data from 37 distinct databases. The E-utilities serve as the programming interface for the Entrez system. Augmenting many of the Web applications are custom implementations of the BLAST program optimized to search specialized data sets...
November 28, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27898175/interventions-for-promoting-participation-in-shared-decision-making-for-children-with-cancer
#18
REVIEW
Imelda Coyne, Dónal P O'Mathúna, Faith Gibson, Linda Shields, Edith Leclercq, Greg Sheaf
BACKGROUND: This is an update of the Cochrane systematic review of shared decision-making (SMD) making published in 2013. Children's rights to have their views heard in matters that affect their lives are now well established since the publication of the UN Convention treaty (1989). Children with cancer generally prefer to be involved in decision-making and consider it important that they have the opportunity to take part in decision-making concerning their health care, even in end-of-life decisions...
November 29, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27897014/the-training-of-next-generation-data-scientists-in-biomedicine
#19
Lana X Garmire, Stephen Gliske, Quynh C Nguyen, Jonathan H Chen, Shamim Nemati, John D VAN Horn, Jason H Moore, Carol Shreffler, Michelle Dunn
With the booming of new technologies, biomedical science has transformed into digitalized, data intensive science. Massive amount of data need to be analyzed and interpreted, demand a complete pipeline to train next generation data scientists. To meet this need, the transinstitutional Big Data to Knowledge (BD2K) Initiative has been implemented since 2014, complementing other NIH institutional efforts. In this report, we give an overview the BD2K K01 mentored scientist career awards, which have demonstrated early success...
2016: Pacific Symposium on Biocomputing
https://www.readbyqxmd.com/read/27896972/data-sharing-and-reproducible-clinical-genetic-testing-successes-and-challenges
#20
Shan Yang, Melissa Cline, Can Zhang, Benedict Paten, Stephen E Lincoln
Open sharing of clinical genetic data promises to both monitor and eventually improve the reproducibility of variant interpretation among clinical testing laboratories. A significant public data resource has been developed by the NIH ClinVar initiative, which includes submissions from hundreds of laboratories and clinics worldwide. We analyzed a subset of ClinVar data focused on specific clinical areas and we find high reproducibility (>90% concordance) among labs, although challenges for the community are clearly identified in this dataset...
2016: Pacific Symposium on Biocomputing
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