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https://www.readbyqxmd.com/read/28109074/determination-of-four-nadolol-stereoisomers-in-capsules-by-high-performance-liquid-chromatography-and-circular-dichroism
#1
Grazielle Prado Alexandre, Márcio Nardelli Wandermuren, Adriano Peron, Vanessa Franco Tavares, Denis Alexandre Ramalho Padeiro, Kelly Alessandra Sakiara, María Segunda Aurora-Prado, Anil Kumar Singh, Erika Rosa Maria Kedor-Hackmann, Maria Inês Rocha Miritello Santoro
Nadolol is a blocking agent with activity in β-adrenergic receptors. The objective of this research was to develop andvalidate an HPLC and circular dichroism method for the quantification of four nadolol stereoisomers in capsules. The HPLC method was validated using a Chiralcel OD column (250 × 4,6 mm, 10 μm). The mobile phase consisted of hexane-ethanol-diethylamine-acetic acid(86 + 14 + 0.3 + 0.3, v/v/v/v), with a flow rate of 0.7 mL/min and temperature of 25 ± 1°C and UV detection carried out at 220 nm...
January 21, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28108698/genome-wide-analysis-of-fatty-acid-desaturation-and-its-response-to-temperature
#2
Guillaume Menard, Jose Martin Moreno, Fiona Bryant, Olaya Munoz-Azcarate, Amélie A Kelly, Keywan Hassani-Pak, Smita Kurup, Peter J Eastmond
Plants modify the polyunsaturated fatty acid content of their membrane and storage lipids in order to adapt to changes in temperature. In developing seeds this response is largely controlled by the activities of the microsomal ω-6 and ω-3 fatty acid desaturases, FAD2 and FAD3. Although temperature-regulation of desaturation has been studied at the molecular and biochemical level, the genetic control of this trait is poorly understood. Here we have characterised the response of Arabidopsis thaliana seed lipids to variation in ambient temperature and found that heat inhibits both ω-6 and ω-3 desaturation in phosphatidylcholine, leading to a proportional change in triacylglycerol composition...
January 20, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28108597/bispecific-antibodies-and-antibody-drug-conjugates-adcs-bridging-her2-and-prolactin-receptor-improve-efficacy-of-her2-adcs
#3
Julian Andreev, Nithya Thambi, Andres E Perez Bay, Frank J Delfino, Joel H Martin, Marcus P Kelly, Jessica R Kirshner, Ashique Rafique, Arthur Kunz, Thomas Nittoli, Douglas MacDonald, Christopher Daly, William Olson, Gavin Thurston
The properties of cell surface proteins targeted by Antibody-drug conjugates (ADCs) have not been fully exploited; of particular importance are the rate of internalization and the route of intracellular trafficking. In this study we compared the trafficking of HER2, which is the target of the clinically approved ADC ado-trastuzumab emtansine (T-DM1), with that of prolactin receptor (PRLR), another potential target in breast cancer. In contrast to HER2, we found that PRLR is rapidly and constitutively internalized, and traffics efficiently to lysosomes, where it is degraded...
January 20, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28108448/arnapipe-a-balanced-efficient-and-distributed-pipeline-for-processing-rna-seq-data-in-high-performance-computing-environments
#4
Arnald Alonso, Brittany N Lasseigne, Kelly Williams, Josh Nielsen, Ryne C Ramaker, Andrew A Hardigan, Bobbi Johnston, Brian S Roberts, Sara J Cooper, Sara Marsal, Richard M Myers
The wide range of RNA-seq applications and their high computational needs require the development of pipelines orchestrating the entire workflow and optimizing usage of available computational resources. We present aRNApipe, a project-oriented pipeline for processing of RNA-seq data in high performance cluster environments. aRNApipe is highly modular and can be easily migrated to any high performance computing (HPC) environment. The current applications included in aRNApipe combine the essential RNA-seq primary analyses, including quality control metrics, transcript alignment, count generation, transcript fusion identification, alternative splicing, and sequence variant calling...
January 19, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28108139/emergency-department-waiting-room-nurse-role-a-key-informant-perspective
#5
Innes Kelli, Jackson Debra, Plummer Virginia, Elliott Doug
BACKGROUND: Emergency departments have become overcrowded with increased waiting times. Strategies to decrease waiting times include time-based key performance indicators and introduction of a waiting room nurse role. The aim of the waiting room nurse role is to expedite care by assessing and managing patients in the waiting room. There is limited literature examining this role. METHODS: This paper presents results of semi-structured interviews with five key informants to explore why and how the waiting room nurse role was implemented in Australian emergency departments...
January 17, 2017: Australasian Emergency Nursing Journal: AENJ
https://www.readbyqxmd.com/read/28107878/effect-of-strategic-administration-of-an-encapsulated-blend-of-formic-acid-citric-acid-and-essential-oils-on-salmonella-carriage-seroprevalence-and-growth-of-finishing-pigs
#6
Kavita Walia, Hector Argüello, Helen Lynch, Finola C Leonard, Jim Grant, Dermot Yearsley, Sinead Kelly, Geraldine Duffy, Gillian E Gardiner, Peadar G Lawlor
Controlling Salmonella at farm level can act as the first line of defence in reducing salmonellosis from pork. This study investigated the efficacy of an encapsulated blend of formic acid, citric acid, and essential oils (FormaXOL™) administered to finisher pigs for 28days prior to slaughter in controlling Salmonella shedding on a commercial farm with a history of high Salmonella seroprevalence. Fourteen pens of 8-10 pigs/pen were randomly assigned to a control (finisher diet without additive) or a treatment group (the same diet with 4kg/t of FormaXOL™) for 28 days...
February 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28107374/combining-social-norms-and-social-marketing-to-address-underage-drinking-development-and-process-evaluation-of-a-whole-of-community-intervention
#7
Sandra C Jones, Kelly Andrews, Kate Francis
Youth alcohol consumption has been steadily declining in Australia, as in other countries; fewer young people are drinking and the age of initiation is increasing. However, young people, their parents and others in their communities continue to believe that adolescent (excessive) drinking is the norm. This perception, and the concurrent misperception that the majority of parents are happy to provide their underage children with alcohol, creates a perceived culture of acceptance of youth alcohol consumption...
2017: PloS One
https://www.readbyqxmd.com/read/28107367/first-molecular-characterization-of-feline-immunodeficiency-virus-in-domestic-cats-from-mainland-china
#8
Jilei Zhang, Liang Wang, Jing Li, Patrick Kelly, Stuart Price, Chengming Wang
The feline immunodeficiency virus (FIV) is a retrovirus of the Lentivirus genus that was initially isolated from a colony of domestic cats in California in 1986 and has now been recognized as a common feline pathogen worldwide. To date, there is only one recent serology-based report on FIV in mainland China which was published in 2016. We designed this study to investigate the molecular prevalence and diversity of feline immunodeficiency virus (FIV) in domestic cats from mainland China. We studied the prevalence of FIV in whole blood samples of 615 domestic cats in five cities (Beijing, Guangzhou, Nanjing, Shanghai and Yangzhou) of mainland China and examined them using FRET-PCR (Fluorescence Resonance Energy Transfer-Polymerase Chain Reaction) and regular PCRs for the gag and env genes...
2017: PloS One
https://www.readbyqxmd.com/read/28107316/lymphedema-improving-screening-and-treatment-among-at-risk-breast-cancer-survivors
#9
Kelly Reichart
Inadequate peripheral lymphedema screening is a persistent gap in the provision of quality survivorship care at many breast cancer centers. Lymphedema should be identified and treated during the subclinical stage, when it is more likely reversible. The purpose of this project was to integrate a screening process for patients with breast cancer at risk for lymphedema, using bioimpedance spectroscopy via the L-Dex®, in a breast cancer center. A protocol was developed that included specific criteria for early patient referral to physical therapy...
February 1, 2017: Clinical Journal of Oncology Nursing
https://www.readbyqxmd.com/read/28107181/cyclin-e-overexpression-as-a-biomarker-for-combination-treatment-strategies-in-inflammatory-breast-cancer
#10
Angela Alexander, Cansu Karakas, Xian Chen, Jason P W Carey, Min Yi, Melissa Bondy, Patricia Thompson, Kwok Leung Cheung, Ian O Ellis, Yun Gong, Savitri Krishnamurthy, Ricardo H Alvarez, Naoto T Ueno, Kelly K Hunt, Khandan Keyomarsi
Inflammatory breast cancer (IBC) is a virulent form of breast cancer, and novel treatment strategies are urgently needed. Immunohistochemical analysis of tumors from women with a clinical diagnosis of IBC (n = 147) and those with non-IBC breast cancer (n = 2510) revealed that, whereas in non-IBC cases cytoplasmic cyclin E was highly correlated with poor prognosis (P < 0.001), in IBC cases both nuclear and cytoplasmic cyclin E were indicative of poor prognosis. These results underscored the utility of the cyclin E/CDK2 complex as a novel target for treatment...
January 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28106821/a-protective-vaccine-against-chlamydia-genital-infection-using-vault-nanoparticles-without-an-added-adjuvant
#11
Janina Jiang, Guangchao Liu, Valerie A Kickhoefer, Leonard H Rome, Lin-Xi Li, Stephen J McSorley, Kathleen A Kelly
Chlamydia trachomatis genital infection is the most common sexually transmitted bacterial disease, causing a significant burden to females due to reproductive dysfunction. Intensive screening and antibiotic treatment are unable to completely prevent female reproductive dysfunction, thus, efforts have become focused on developing a vaccine. A major impediment is identifying a safe and effective adjuvant which induces cluster of differentiation 4 (CD4) cells with attributes capable of halting genital infection and inflammation...
January 19, 2017: Vaccines
https://www.readbyqxmd.com/read/28106678/the-influence-of-emerging-nursing-administrative-and-leadership-researchers-an-interview-with-dr-lesly-kelly
#12
Jeffrey M Adams
This department highlights emerging nursing leaders who have demonstrated leadership in advancing innovation and patient care in practice, policy, research, education, and theory. This interview profiles Lesly Kelly, PhD, RN, Assistant Professor at the Arizona State University College of Nursing and Health Innovation and Nursing and Clinical Research Program Director at Banner-University Medical Center Phoenix.
February 2017: Journal of Nursing Administration
https://www.readbyqxmd.com/read/28106320/classification-of-genes-standardized-clinical-validity-assessment-of-gene-disease-associations-aids-diagnostic-exome-analysis-and-reclassifications
#13
Erica D Smith, Kelly Radtke, Mari Rossi, Deepali N Shinde, Sourat Darabi, Dima El-Khechen, Zöe Powis, Katherine Helbig, Kendra Waller, Dorothy K Grange, Sha Tang, Kelly D Farwell Hagman
Ascertaining a diagnosis through exome sequencing can provide potential benefits to patients, insurance companies, and the healthcare system. Yet as diagnostic sequencing is increasingly employed, vast amounts of human genetic data are produced that need careful curation. We discuss methods for accurately assessing the clinical validity of gene-disease relationships to interpret new research findings in a clinical context and increase the diagnostic rate. The specifics of a gene-disease scoring system adapted for use in a clinical laboratory are described...
January 20, 2017: Human Mutation
https://www.readbyqxmd.com/read/28106310/mechanism-of-type-iii-protein-secretion-regulation-of-flha-conformation-by-a-functionally-critical-charged-residue-cluster
#14
Marc Erhardt, Paige Wheatley, Eun A Kim, Takanori Hirano, Yang Zhang, Mayukh K Sarkar, Kelly T Hughes, David F Blair
The bacterial flagellum contains a specialized secretion apparatus in its base that pumps certain protein subunits through the growing structure to their sites of installation beyond the membrane. A related apparatus functions in the injectisomes of gram-negative pathogens to export virulence factors into host cells. This mode of protein export is termed type-III secretion (T3S). Details of the T3S mechanism are unclear. It is energized by the proton gradient; here, a mutational approach was used to identify proton-binding groups that might function in transport...
January 20, 2017: Molecular Microbiology
https://www.readbyqxmd.com/read/28106230/the-value-of-serial-metal-ion-levels-in-following-up-patients-with-metal-on-metal-hip-arthroplasty
#15
Gavin McHugh, Rajiv Merchant, Gabrielle E Kelly, Karen M Bergin, Gerald F McCoy, Andrew P Wozniak, John F Quinlan
BACKGROUND: The sensitivity of cobalt (Co) and chromium (Cr) ion-levels in detecting poorly performing metal-on-metal hip implants is low. This study proposes that serial changes in ion-levels are a more accurate marker of arthroplasties at risk. METHODS: Serial metal ion-levels and implant data of 285 patients with ASR resurfacing or replacement were studied. Patient and implant characteristics were analysed using univariate and multivariate analyses. RESULTS: 111 (39%) had revision surgery...
January 20, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28105753/efficacy-and-safety-of-high-dose-chemotherapy-with-autologous-stem-cell-transplantation-in-senior-versus-younger-adults-with-newly-diagnosed-multiple-myeloma
#16
Li-Wen Huang, Wendi Bacon, Constance Cirrincione, Bercedis Peterson, Gwynn Long, David Rizzieri, Keith M Sullivan, Kelly Corbet, Mitchell Horwitz, Nelson Chao, Cristina Gasparetto, Sascha A Tuchman
We retrospectively studied 340 fit patients with multiple myeloma (MM) who underwent autologous stem cell transplantation (ASCT). We hypothesized that progression-free survival (PFS) of older patients was non-inferior to that of younger patients after ASCT. Our null hypothesis was that the PFS hazard ratio (HR) for a 5-year increase in age was ≥1.05; the alternative (non-inferiority) hypothesis was that the HR was ≤1. The observed HR was 0.94 (95% confidence interval [CI] 0.86-1.03); since the CI upper bound was <1...
January 19, 2017: Hematological Oncology
https://www.readbyqxmd.com/read/28105646/the-prognostic-value-of-neutrophil-to-lymphocyte-ratio-in-colorectal-cancer-a-systematic-review
#17
Abdelhamed Haram, Michael R Boland, Michael E Kelly, Jarlath C Bolger, Ronan M Waldron, Michael J Kerin
BACKGROUND AND OBJECTIVES: The detection of a simple and reliable prognostic biomarker for colorectal cancer (CRC) outcomes remains a significant challenge. The use of neutrophil-to-lymphocyte ratio (NLR), has been reported to predict surgical and survival outcomes. The aim of our review was to assess the predictive value of pre-operative NLR in predicting post-operative outcomes in CRC. METHODS: A systematic review of the available studies on NLR in CRC was performed...
January 20, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28105640/the-genotype-phenotype-landscape-of-familial-amyotrophic-lateral-sclerosis-in-australia
#18
Emily P McCann, Kelly L Williams, Jennifer A Fifita, Ingrid S Tarr, Jody O'Connor, Dominic B Rowe, Garth A Nicholson, Ian P Blair
Amyotrophic lateral sclerosis (ALS) is a clinically and genetically heterogeneous fatal neurodegenerative disease. Around 10% of ALS cases are hereditary. ALS gene discoveries have provided most of our understanding of disease pathogenesis. We aimed to describe the genetic landscape of ALS in Australia by assessing 1013 Australian ALS patients for known ALS mutations by direct sequencing, whole exome sequencing or repeat primed PCR. Age of disease onset and disease duration were used for genotype-phenotype correlations...
January 20, 2017: Clinical Genetics
https://www.readbyqxmd.com/read/28104990/sitagliptin-in-patients-with-non-alcoholic-steatohepatitis-a-randomized-placebo-controlled-trial
#19
Tisha R Joy, Charles A McKenzie, Rommel G Tirona, Kelly Summers, Shannon Seney, Subrata Chakrabarti, Neel Malhotra, Melanie D Beaton
AIM: To evaluate the effect of sitagliptin vs placebo on histologic and non-histologic parameters of non-alcoholic steatohepatitis (NASH). METHODS: Twelve patients with biopsy-proven NASH were randomized to sitagliptin (100 mg daily) (n = 6) or placebo (n = 6) for 24 wk. The primary outcome was improvement in liver fibrosis after 24 wk. Secondary outcomes included evaluation of changes in NAFLD activity score (NAS), individual components of NAS (hepatocyte ballooning, lobular inflammation, and steatosis), glycemic control and insulin resistance [including measurements of glycated hemoglobin (HbA1C) and adipocytokines], lipid profile including free fatty acids, adipose distribution measured using magnetic resonance imaging (MRI), and thrombosis markers (platelet aggregation and plasminogen activator inhibitor 1 levels)...
January 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28104900/extremozymes-a-potential-source-for-industrial-applications
#20
REVIEW
Kelly Dumorné, David Camacho Córdova, Marcia Astorga-Eló, Prabhaharan Renganathan
Extremophilic microorganisms have established a diversity of molecular strategies in order to survive in extreme conditions. Biocatalysts isolated by these organisms are termed extremozymes, possess extraordinary properties are salt allowance thermostability and cold adaptivity. Extremozymes are very resistant in extreme conditions due to their great solidity and they propose new opportunities for biocatalysis and biotransformations, also for the development of the economy and new line of research through their application...
January 20, 2017: Journal of Microbiology and Biotechnology
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