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https://www.readbyqxmd.com/read/29156067/pilot-testing-a-coaching-intervention-to-improve-certified-nursing-assistants-dressing-of-nursing-home-residents
#1
Kerry Jean Jordan, Pao-Feng Tsai, Seongkum Heo, Shasha Bai, Deborah Dailey, Cornelia K Beck, Lindsey M Butler, Rachel L Greenwood
The purpose of the current study was to identify initial effects of a coaching training intervention using Level of Assistance (LoA) strategies compared with traditional lecture techniques on the appropriateness of LoA use by certified nursing assistants (CNAs) and independence of dressing of nursing home residents with dementia. Seventeen CNA-resident dyads participated in this pilot randomized controlled trial (RCT). Control and experimental group CNAs received a 25-minute traditional lecture. Experimental group CNAs also underwent three coaching sessions over 4 weeks...
November 1, 2017: Research in Gerontological Nursing
https://www.readbyqxmd.com/read/29146499/antimicrobial-resistance-and-virulence-genes-profiling-of-methicillin-resistant-staphylococcus-aureus-isolates-in-a-burn-center-a-5-year-study
#2
Bei Jiang, Supeng Yin, Bo You, Yali Gong, Guangtao Huang, Zichen Yang, Yulong Zhang, Yu Chen, Jing Chen, Zhiqiang Yuan, Xiaomei Hu, Yizhi Peng
Methicillin-resistant S. aureus (MRSA) has attracted more and more attention in recent years, especially in burn medical centers. Here we conducted a 5-year period study to evaluate the MRSA infection in our burn center. The staphylococcal chromosomal cassette mec (SCCmec) typing, antimicrobials susceptibility and virulence profiles were also performed among the MRSA isolates. Of the 259 S. aureus isolates, 239 (92.28%) isolates were identified as MRSA. A decreased trend of MRSA isolation rate over time was found (P = 0...
November 13, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29140994/copy-number-gains-at-chr3p25-and-chr11p11-are-associated-with-lymph-node-involvement-and-survival-in-muscle-invasive-bladder-tumors
#3
Karla J Lindquist, Thomas Sanford, Terence W Friedlander, Pamela L Paris, Sima P Porten
Patients with muscle-invasive bladder cancer (MIBC) have poorer prognoses if cancer has metastasized to the lymph nodes. Genomic markers of lymph node involvement (LNI) would be useful for treatment planning, especially if measured at the biopsy stage, but large-scale studies of tumor tissue at any stage are needed to discover robust markers of LNI. We performed a genome-wide query of copy number alterations (CNA) in 237 MIBC surgical tumor specimens from patients in The Cancer Genome Atlas who had radical cystectomy and lymphadenectomy without neoadjuvant treatment...
2017: PloS One
https://www.readbyqxmd.com/read/29136813/isolation-of-236-u-and-239-240-pu-from-seawater-samples-and-its-determination-by-accelerator-mass-spectrometry
#4
Mercedes López-Lora, Elena Chamizo, María Villa-Alfageme, Santiago Hurtado-Bermúdez, Núria Casacuberta, Manuel García-León
In this work we present and evaluate a radiochemical procedure optimised for the analysis of (236)U and (239,240)Pu in seawater samples by Accelerator Mass Spectrometry (AMS). The method is based on Fe(OH)3 co-precipitation of actinides and uses TEVA® and UTEVA® extraction chromatography resins in a simplified way for the final U and Pu purification. In order to improve the performance of the method, the radiochemical yields are analysed in 1 to 10L seawater volumes using alpha spectrometry (AS) and Inductively Coupled Plasma Mass Spectrometry (ICP-MS)...
February 1, 2018: Talanta
https://www.readbyqxmd.com/read/29132872/an-nrg-oncology-gog-study-of-molecular-classification-for-risk-prediction-in-endometrioid-endometrial-cancer
#5
Casey M Cosgrove, David L Tritchler, David E Cohn, David G Mutch, Craig M Rush, Heather A Lankes, William T Creasman, David S Miller, Nilsa C Ramirez, Melissa A Geller, Matthew A Powell, Floor J Backes, Lisa M Landrum, Cynthia Timmers, Adrian A Suarez, Richard J Zaino, Michael L Pearl, Paul A DiSilvestro, Shashikant B Lele, Paul J Goodfellow
OBJECTIVES: The purpose of this study was to assess the prognostic significance of a simplified, clinically accessible classification system for endometrioid endometrial cancers combining Lynch syndrome screening and molecular risk stratification. METHODS: Tumors from NRG/GOG GOG210 were evaluated for mismatch repair defects (MSI, MMR IHC, and MLH1 methylation), POLE mutations, and loss of heterozygosity. TP53 was evaluated in a subset of cases. Tumors were assigned to four molecular classes...
November 10, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/29127303/comprehensive-genomic-analysis-of-oesophageal-squamous-cell-carcinoma-reveals-clinical-relevance
#6
Peina Du, Peide Huang, Xuanlin Huang, Xiangchun Li, Zhimin Feng, Fengyu Li, Shaoguang Liang, Yongmei Song, Jan Stenvang, Nils Brünner, Huanming Yang, Yunwei Ou, Qiang Gao, Lin Li
Oesophageal carcinoma is the fourth leading cause of cancer-related death in China, and more than 90% of these tumours are oesophageal squamous cell carcinoma (ESCC). Although several ESCC genomic sequencing studies have identified mutated somatic genes, the number of samples in each study was relatively small, and the molecular basis of ESCC has not been fully elucidated. Here, we performed an integrated analysis of 490 tumours by combining the genomic data from 7 previous ESCC projects. We identified 18 significantly mutated genes (SMGs)...
November 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29121185/molecular-characteristics-of-conjunctival-melanoma-using-whole-exome-sequencing
#7
Swarup S Swaminathan, Matthew G Field, David Sant, Gaofeng Wang, Anat Galor, Sander R Dubovy, J William Harbour, Carol L Karp
Importance: Conjunctival melanoma (CM) is a highly aggressive ocular cancer for which treatment options are limited; the molecular pathogenesis is poorly understood. Objective: To identify the molecular characteristics of CM using next-generation whole-exome sequencing (WES). Design, Setting, and Participants: Whole-exome sequencing was performed on tumor DNA extracted from the archived specimens of 5 patients with CM who had been treated with surgical excision between 2006 and 2011...
November 9, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/29108255/comprehensive-bioinformatics-analysis-of-the-characterization-and-determination-underlying-mechanisms-of-over-expression-and-co-expression-of-genes-residing-on-20q-in-colorectal-cancer
#8
Daojiang Li, Changwei Lin, Miao Chen, Nanpeng Li, Yuheng Du, Chen Su, Chunxing Yang, Ni Gong, Hao Wu, Runliu Wu, Arad Jain, Yi Zhang, Xiaorong Li
The Long arm of chromosome 20 (20q) is closely related to the development of colorectal cancer, so identifying the expression profile of genes on 20q through a comprehensive overview is indispensable. In this article, preliminar experimental data, several available databases and bioinformatics tools such as the Cancer Genome Atlas, the Encyclopedia of DNA Elements, the JASPAR database and starBase were combined to analyze the correlation between genes and chromosomal aberrations, microRNA and transcription factors, as well as to explore the expression feature and potential regulative mechanism...
October 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29100312/molecular-signatures-reflecting-microenvironmental-metabolism-and-chemotherapy-induced-immunogenic-cell-death-in-colorectal-liver-metastases
#9
Olga Østrup, Vegar Johansen Dagenborg, Einar Andreas Rødland, Veronica Skarpeteig, Laxmi Silwal-Pandit, Krzysztof Grzyb, Audun Elnæs Berstad, Åsmund Avdem Fretland, Gunhild Mari Mælandsmo, Anne-Lise Børresen-Dale, Anne Hansen Ree, Bjørn Edwin, Vigdis Nygaard, Kjersti Flatmark
Background: Metastatic colorectal cancer (CRC) is associated with highly variable clinical outcome and response to therapy. The recently identified consensus molecular subtypes (CMS1-4) have prognostic and therapeutic implications in primary CRC, but whether these subtypes are valid for metastatic disease is unclear. We performed multi-level analyses of resectable CRC liver metastases (CLM) to identify molecular characteristics of metastatic disease and evaluate the clinical relevance...
September 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/29097495/ebv-associated-primary-nodal-t-nk-cell-lymphoma-shows-distinct-molecular-signature-and-copy-number-changes
#10
Siok-Bian Ng, Tae-Hoon Chung, Seiichi Kato, Shigeo Nakamura, Emiko Takahashi, Young-Hyeh Ko, Joseph D Khoury, C Cameron Yin, Richie Soong, Anand D Jeyasekharan, Michal Marek Hoppe, Viknesvaran Selvarajan, Soo-Yong Tan, Soon-Thye Lim, Choon-Kiat Ong, Maarja-Liisa Nairismägi, Priyanka Maheshwari, Shoa-Nian Choo, Shuangyi Fan, Chi-Kuen Lee, Shih-Sung Chuang, Wee-Joo Chng
The molecular biology of primary nodal T- and NK-cell lymphoma and its relationsihp with extranodal NK/T-cell lymphoma, nasal type is poorly understood. In this study, we assessed the relationship between nodal and extranodal EBV-positive T/NK-cell lymphomas using gene expression profiling and copy number aberration analyses. We performed GEP and CNA analysis on 66 cases of EBV-associated T/NK-cell lymphoma from nodal and extranodal sites, and correlated the molecular signatures with clinicopathologic features...
November 2, 2017: Haematologica
https://www.readbyqxmd.com/read/29069730/inhibition-of-colorectal-cancer-genomic-copy-number-alterations-and-chromosomal-fragile-site-tumor-suppressor-fhit-and-wwox-deletions-by-dna-mismatch-repair
#11
Sohail Jahid, Jian Sun, Ozkan Gelincik, Pedro Blecua, Winfried Edelmann, Raju Kucherlapati, Kathy Zhou, Maria Jasin, Zeynep H Gümüş, Steven M Lipkin
Homologous recombination (HR) enables precise DNA repair after DNA double strand breaks (DSBs) using identical sequence templates, whereas homeologous recombination (HeR) uses only partially homologous sequences. Homeologous recombination introduces mutations through gene conversion and genomic deletions through single-strand annealing (SSA). DNA mismatch repair (MMR) inhibits HeR, but the roles of mammalian MMR MutL homologues (MLH1, PMS2 and MLH3) proteins in HeR suppression are poorly characterized. Here, we demonstrate that mouse embryonic fibroblasts (MEFs) carrying Mlh1, Pms2, and Mlh3 mutations have higher HeR rates, by using 7,863 uniquely mapping paired direct repeat sequences (DRs) in the mouse genome as endogenous gene conversion and SSA reporters...
September 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28991255/patient-derived-xenografts-undergo-mouse-specific-tumor-evolution
#12
Uri Ben-David, Gavin Ha, Yuen-Yi Tseng, Noah F Greenwald, Coyin Oh, Juliann Shih, James M McFarland, Bang Wong, Jesse S Boehm, Rameen Beroukhim, Todd R Golub
Patient-derived xenografts (PDXs) have become a prominent cancer model system, as they are presumed to faithfully represent the genomic features of primary tumors. Here we monitored the dynamics of copy number alterations (CNAs) in 1,110 PDX samples across 24 cancer types. We observed rapid accumulation of CNAs during PDX passaging, often due to selection of preexisting minor clones. CNA acquisition in PDXs was correlated with the tissue-specific levels of aneuploidy and genetic heterogeneity observed in primary tumors...
November 2017: Nature Genetics
https://www.readbyqxmd.com/read/28942120/immobilization-induced-osteolysis-and-recovery-in-neuropathic-foot-impairments
#13
David R Sinacore, Mary K Hastings, Kathryn L Bohnert, Michael J Strube, David J Gutekunst, Jeffrey E Johnson
BACKGROUND: Neuropathic foot impairments treated with immobilization and off-loading result in osteolysis. In order to prescribe and optimize rehabilitation programs after immobilization we need to understand the magnitude of pedal osteolysis after immobilization and the time course for recovery. OBJECTIVE: To determine differences in a) foot skin temperature; b) calcaneal bone mineral density (BMD) after immobilization; c) calcaneal BMD after 33-53weeks of recovery; and d) percent of feet classified as osteopenic or osteoporotic after recovery in participants with neuropathic plantar ulcers (NPU) compared to Charcot neuroarthropathy (CNA)...
December 2017: Bone
https://www.readbyqxmd.com/read/28931414/coagulase-gene-polymorphism-enterotoxigenecity-biofilm-production-and-antibiotic-resistance-in-staphylococcus-aureus-isolated-from-bovine-raw-milk-in-north-west-india
#14
Vishnu Sharma, Sanjita Sharma, Dinesh Kumar Dahiya, Aarif Khan, Manisha Mathur, Aayushi Sharma
BACKGROUND: Staphylococcus aureus is the predominant bacterium responsible for various diseases in animals and humans. Preventive strategies could be better implemented by understanding the prevalence, genetic patterns, and the presence of enterotoxin and biofilm-producing genes along with the antibiotic susceptibility of this organism. This study was conducted in Rajasthan, the northwestern state of India, holding the largest population of cattle that makes it the second largest milk producer in India and no such prior information is available on these aspects...
September 20, 2017: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/28924241/clinical-impact-of-the-subclonal-architecture-and-mutational-complexity-in-chronic-lymphocytic-leukemia
#15
F Nadeu, G Clot, J Delgado, D Martín-García, T Baumann, I Salaverria, S Beà, M Pinyol, P Jares, A Navarro, H Suárez-Cisneros, M Aymerich, M Rozman, N Villamor, D Colomer, M González, M Alcoceba, M J Terol, B Navarro, E Colado, Á R Payer, X S Puente, C López-Otín, A López-Guillermo, A Enjuanes, E Campo
Genome studies of chronic lymphocytic leukemia (CLL) have revealed the remarkable subclonal heterogeneity of the tumors, but the clinical implications of this phenomenon are not well known. We assessed the mutational status of 28 CLL driver genes by deep-targeted next-generation sequencing and copy number alterations (CNA) in 406 previously untreated patients and 48 sequential samples. We detected small subclonal mutations (0.6-25% of cells) in nearly all genes (26/28), and they were the sole alteration in 22% of the mutated cases...
September 19, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28916733/clonal-expansion-and-epigenetic-reprogramming-following-deletion-or-amplification-of-mutant-idh1
#16
Tali Mazor, Charles Chesnelong, Aleksandr Pankov, Llewellyn E Jalbert, Chibo Hong, Josie Hayes, Ivan V Smirnov, Roxanne Marshall, Camila F Souza, Yaoqing Shen, Pavithra Viswanath, Houtan Noushmehr, Sabrina M Ronen, Steven J M Jones, Marco A Marra, J Gregory Cairncross, Arie Perry, Sarah J Nelson, Susan M Chang, Andrew W Bollen, Annette M Molinaro, Henrik Bengtsson, Adam B Olshen, Samuel Weiss, Joanna J Phillips, H Artee Luchman, Joseph F Costello
IDH1 mutation is the earliest genetic alteration in low-grade gliomas (LGGs), but its role in tumor recurrence is unclear. Mutant IDH1 drives overproduction of the oncometabolite d-2-hydroxyglutarate (2HG) and a CpG island (CGI) hypermethylation phenotype (G-CIMP). To investigate the role of mutant IDH1 at recurrence, we performed a longitudinal analysis of 50 IDH1 mutant LGGs. We discovered six cases with copy number alterations (CNAs) at the IDH1 locus at recurrence. Deletion or amplification of IDH1 was followed by clonal expansion and recurrence at a higher grade...
October 3, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28915574/comparative-study-of-whole-genome-amplification-and-next-generation-sequencing-performance-of-single-cancer-cells
#17
Anna Babayan, Malik Alawi, Michael Gormley, Volkmar Müller, Harriet Wikman, Ryan P McMullin, Denis A Smirnov, Weimin Li, Maria Geffken, Klaus Pantel, Simon A Joosse
BACKGROUND: Whole genome amplification (WGA) is required for single cell genotyping. Effectiveness of currently available WGA technologies in combination with next generation sequencing (NGS) and material preservation is still elusive. RESULTS: In respect to the accuracy of SNP/mutation, indel, and copy number aberrations (CNA) calling, the HiSeq2000 platform outperformed IonProton in all aspects. Furthermore, more accurate SNP/mutation and indel calling was demonstrated using single tumor cells obtained from EDTA-collected blood in respect to CellSave-preserved blood, whereas CNA analysis in our study was not detectably affected by fixation...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28903078/derivation-of-reliable-empirical-models-describing-lead-transfer-from-metal-polluted-soils-to-radish-raphanus-sativa-l-determining-factors-and-soil-criteria
#18
Sha Zhang, Jing Song, Yinwen Cheng, Peter Christie, Jian Long, Lingfei Liu
Reliable models describing Pb transfer from soils to food crops are useful in the improvement of soil protection guidelines. This study provides mechanistic insights from in-situ soil solution measurement on the Pb uptake in the root tissues (RF) of radish, grown in 25 representative Pb-contaminated agricultural soils. Lead speciation and regression analysis indicate that >88.6% of the variation in RF Pb is attributable to free Pb(2+) activity (aPb(2+)) in the soil solution, which is predominantly controlled by pH and DOC...
February 1, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/28899736/characterization-of-genome-wide-copy-number-aberrations-in-colonic-mixed-adenoneuroendocrine-carcinoma-and-neuroendocrine-carcinoma-reveals-recurrent-amplification-of-ptger4-and-myc-genes
#19
Namita Sinha, Daniel Gaston, Daniel Manders, Marissa Goudie, Makoto Matsuoka, Tao Xie, Weei-Yuarn Huang
Colonic Mixed adenoneuroendocrine Carcinoma (MANEC) is an aggressive neoplasm with worse prognosis compared to adenocarcinoma. To gain a better understanding of the molecular features of colonic MANEC, we characterized the genome-wide copy number aberrations (CNA) of 14 MANECs and 5 neuroendocrine carcinomas using the OncoScan FFPE assay. Compared to 269 colonic adenocarcinomas, 19 of 42 chromosomal arms of MANEC exhibited a similar frequency of major aberrant events as adenocarcinomas, and 13 chromosomal arms exhibited a higher frequency of copy number gains...
September 9, 2017: Human Pathology
https://www.readbyqxmd.com/read/28892140/biofilm-formation-and-its-relationship-with-the-molecular-characteristics-of-food-related-methicillin-resistant-staphylococcus-aureus-mrsa
#20
Alberto Vergara, Giovanni Normanno, Pierluigi Di Ciccio, Francesca Pedonese, Roberta Nuvoloni, Antonio Parisi, Gianfranco Santagada, Angelo Colagiorgi, Emanuela Zanardi, Sergio Ghidini, Adriana Ianieri
The capability to produce biofilm is an important persistence and dissemination mechanism of some foodborne bacteria. This paper investigates the relationship between some molecular characteristics (SCCmec, ST, spa-type, agr-type, cna, sarA, icaA, icaD, clfA, fnbA, fnbB, hla, hlb) of 22 food-related methicillin-resistant Staphylococcus aureus (MRSA) strains and their ability to form biofilm on stainless steel and polystyrene. Five (22.7%, 5/22) strains were able to synthesize biofilm on polystyrene, and one of these (4...
October 2017: Journal of Food Science
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