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https://www.readbyqxmd.com/read/28092670/neuropilin-1-is-upregulated-in-the-adaptive-response-of-prostate-tumors-to-androgen-targeted-therapies-and-is-prognostic-of-metastatic-progression-and-patient-mortality
#1
B W C Tse, M Volpert, E Ratther, N Stylianou, M Nouri, K McGowan, M L Lehman, S J McPherson, M Roshan-Moniri, M S Butler, J Caradec, C Y Gregory-Evans, J McGovern, R Das, M Takhar, N Erho, M Alshalafa, E Davicioni, E M Schaeffer, R B Jenkins, A E Ross, R J Karnes, R B Den, L Fazli, P A Gregory, M E Gleave, E D Williams, P S Rennie, R Buttyan, J H Gunter, L A Selth, P J Russell, C C Nelson, B G Hollier
Recent evidence has implicated the transmembrane co-receptor neuropilin-1 (NRP1) in cancer progression. Primarily known as a regulator of neuronal guidance and angiogenesis, NRP1 is also expressed in multiple human malignancies, where it promotes tumor angiogenesis. However, non-angiogenic roles of NRP1 in tumor progression remain poorly characterized. In this study, we define NRP1 as an androgen-repressed gene whose expression is elevated during the adaptation of prostate tumors to androgen-targeted therapies (ATTs), and subsequent progression to metastatic castration-resistant prostate cancer (mCRPC)...
January 16, 2017: Oncogene
https://www.readbyqxmd.com/read/28091644/chiral-bidentate-n-s-ferrocene-ligands-based-on-a-thiazoline-framework-synthesis-and-use-in-palladium-catalyzed-asymmetric-allylic-alkylation
#2
E P Sánchez-Rodríguez, F Hochberger-Roa, R Corona-Sánchez, J E Barquera-Lozada, R A Toscano, M Urrutigoïty, M Gouygou, M C Ortega-Alfaro, J G López-Cortés
An efficient method to obtain chiral 1,2-disubstituted ferrocenyl ligands has been developed. The introduction of planar chirality was accomplished by using 2-thiazoline as an ortho-directing lithiation group, and moreover, these kinds of ligands possess a central chirality from the amino alcohol used in their synthesis. The X-ray analysis and DFT calculations confirmed the diastereoselectivity of ortho-lithiation and the configuration of the planar chirality. The ability of these new bidentate [N,S]-ferrocene ligands to act in Pd-catalyzed asymmetric allylic alkylation has also been demonstrated and compared with their oxazoline counterparts...
January 16, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28089911/atypical-composition-and-structure-of-the-mitochondrial-dimeric-atp-synthase-from-euglena-gracilis
#3
K N Sathish Yadav, Héctor V Miranda-Astudillo, Lilia Colina-Tenorio, Fabrice Bouillenne, Hervé Degand, Pierre Morsomme, Diego González-Halphen, Egbert J Boekema, Pierre Cardol
Mitochondrial respiratory-chain complexes from Euglenozoa comprise classical subunits described in other eukaryotes (i.e. mammals and fungi) and subunits that are restricted to Euglenozoa (e.g. Euglena gracilis and Trypanosoma brucei). Here we studied the mitochondrial F1FO-ATP synthase (or Complex V) from the photosynthetic eukaryote E. gracilis in detail. The enzyme was purified by a two-step chromatographic procedure and its subunit composition was resolved by a three-dimensional gel electrophoresis (BN/SDS/SDS)...
January 12, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28089850/impact-of-radiofrequency-ablation-treatment-of-barrett-s-esophagus-on-esophageal-adenocarcinoma-a-comparative-modeling-analysis
#4
Sonja Kroep, Curtis R Heberle, Kit Curtius, Chung Yin Kong, Iris Lansdorp-Vogelaar, Ayman Ali, W Asher Wolf, Nicholas J Shaheen, Stuart J Spechler, Joel H Rubenstein, Norman S Nishioka, Stephen J Meltzer, William D Hazelton, Marjolein van Ballegooijen, Angela C Tramontano, G Scott Gazelle, E Georg Luebeck, John M Inadomi, Chin Hur
No abstract text is available yet for this article.
January 12, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28089533/bias-and-association-of-sediment-organic-matter-source-apportionment-indicators-a-case-study-in-a-eutrophic-lake-chaohu-china
#5
Fu-Liu Xu, Chen Yang, Wei He, Qi-Shuang He, Yi-Long Li, Lei Kang, Wen-Xiu Liu, Yong-Qiang Xiong, Baoshan Xing
The sources of sediment organic matter (SOM) could be explained by various indicators. To test their biases and associations, the present study determined multiple indicators for SOM source apportionment, including elemental analysis (carbon and nitrogen, and their stable isotope δ(13)C and δ(15)N), n-alkanes compositions as well as derivative indicators (e.g., terrigenous to aquatic ratio), and carbon isotopes of n-alkane in Lake Chaohu, a eutrophic lake. The spatial variation of anthropogenic effects could be revealed by SOM elemental variations...
January 12, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28089301/time-since-discharge-of-9mm-cartridges-by-headspace-analysis-part-2-ageing-study-and-estimation-of-the-time-since-discharge-using-multivariate-regression
#6
M Gallidabino, F S Romolo, C Weyermann
Estimating the time since discharge of spent cartridges can be a valuable tool in the forensic investigation of firearm-related crimes. To reach this aim, it was previously proposed that the decrease of volatile organic compounds released during discharge is monitored over time using non-destructive headspace extraction techniques. While promising results were obtained for large-calibre cartridges (e.g., shotgun shells), handgun calibres yielded unsatisfying results. In addition to the natural complexity of the specimen itself, these can also be attributed to some selective choices in the methods development...
December 27, 2016: Forensic Science International
https://www.readbyqxmd.com/read/28089297/time-since-discharge-of-9mm-cartridges-by-headspace-analysis-part-1-comprehensive-optimisation-and-validation-of-a-headspace-sorptive-extraction-hsse-method
#7
M Gallidabino, F S Romolo, C Weyermann
Estimating the time since discharge of spent cartridges can be a valuable tool in the forensic investigation of firearm-related crimes. To reach this aim, it was previously proposed that the decrease of volatile organic compounds released during discharge is monitored over time using non-destructive headspace extraction techniques. While promising results were obtained for large-calibre cartridges (e.g., shotgun shells), handgun calibres yielded unsatisfying results. In addition to the natural complexity of the specimen itself, these can also be attributed to some selective choices in the methods development...
December 24, 2016: Forensic Science International
https://www.readbyqxmd.com/read/28089188/barriers-to-providing-maternity-care-to-women-with-physical-disabilities-perspectives-from-health-care-practitioners
#8
Monika Mitra, Lauren D Smith, Suzanne C Smeltzer, Linda M Long-Bellil, Nechama Sammet Moring, Lisa I Iezzoni
BACKGROUND: Women with physical disabilities are known to experience disparities in maternity care access and quality, and communication gaps with maternity care providers, however there is little research exploring the maternity care experiences of women with physical disabilities from the perspective of their health care practitioners. OBJECTIVE: This study explored health care practitioners' experiences and needs around providing perinatal care to women with physical disabilities in order to identify potential drivers of these disparities...
January 3, 2017: Disability and Health Journal
https://www.readbyqxmd.com/read/28088929/morphologic-analysis-of-sperm-from-two-neotropical-primate-species-comparisons-between-the-squirrel-monkeys-saimiri-collinsi-and-saimiri-vanzolinii
#9
Wlaisa V Sampaio, Karol G Oliveira, Danuza L Leão, Maria C Caldas-Bussiere, Helder L Queiroz, Fernanda P Paim, Regiane R Santos, Sheyla F S Domingues
Sperm morphometry can be applied to identify different animal groups and species and to evaluate sperm quality. Furthermore, knowledge on species-specific differences will help to enhance biological information, as well as to develop efficient reproductive technologies. The aims in the present study were to describe sperm morphometry from the recently characterized species S. collinsi and S. vanzolinii, to verify if the morphometric sperm patterns are similar or different between both species, and to determine if the sperm morphometry is affected by the levels of sperm defects using the S...
January 16, 2017: Zygote: the Biology of Gametes and Early Embryos
https://www.readbyqxmd.com/read/28088798/the-intracranial-b2leed3s-score-and-the-risk-of-intracranial-hemorrhage-in-ischemic-stroke-patients-under-antiplatelet-treatment
#10
Pierre Amarenco, Leila Sissani, Julien Labreuche, Eric Vicaut, Marie Germaine Bousser, Angel Chamorro, Marc Fisher, Ian Ford, Kim M Fox, Michael G Hennerici, Heinrich Mattle, Peter M Rothwell, Philippe Gabriel Steg, Hans-Christoph Diener, Ralph L Sacco, Jacoba P Greving, Ale Algra
BACKGROUND: Chronic antiplatelet therapy in the post-acute phase of non-cardioembolic ischemic stroke is limited by the risk of intracranial hemorrhage (ICH) complications. METHODS: We developed an ICH risk score based on the PERFORM trial cohort (n = 19,100), which included patients with a non-cardioembolic ischemic stroke or transient ischemic attack, and externally validated this score in one contemporary trial of very similar size and inclusion criteria, the PRoFESS trial (n = 20,332 patients)...
January 14, 2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/28088762/the-super-n-motifs-model-a-novel-alignment-free-approach-for-representing-and-comparing-rna-secondary-structures
#11
Jean-Pierre Séhi Glouzon, Jean-Pierre Perreault, Shengrui Wang
MOTIVATION: Comparing ribonucleic acid (RNA) secondary structures of arbitrary size uncovers structural patterns that can provide a better understanding of RNA functions. However, performing fast and accurate secondary structure comparisons is challenging when we take into account the RNA configuration (i.e. linear or circular), the presence of pseudoknot and G-quadruplex (G4) motifs and the increasing number of secondary structures generated by high-throughput probing techniques. To address this challenge, we propose the super-n-motifs model based on a latent analysis of enhanced motifs comprising not only basic motifs but also adjacency relations...
January 14, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28088755/hispanic-mothers-beliefs-regarding-hpv-vaccine-series-completion-in-their-adolescent-daughters
#12
A M Roncancio, K K Ward, C C Carmack, B T Muñoz, F L Cribbs
Rates of human papillomavirus (HPV) vaccine series completion among adolescent Hispanic females in Texas in 2014 (∼39%) lag behind the Healthy People 2020 goal (80%). This qualitative study identifies Hispanic mothers' salient behavioral, normative and control beliefs regarding having their adolescent daughters complete the vaccine series. Thirty-two mothers of girls (aged 11-17) that had received at least one dose of the HPV vaccine, completed in-depth interviews. Six girls had received one dose of the HPV vaccine, 10 girls had received two doses, and 16 girls had received all three doses...
January 14, 2017: Health Education Research
https://www.readbyqxmd.com/read/28088201/anti-allodynic-effect-of-buja-in-a-rat-model-of-oxaliplatin-induced-peripheral-neuropathy-via-spinal-astrocytes-and-pro-inflammatory-cytokines-suppression
#13
Yongjae Jung, Ji Hwan Lee, Woojin Kim, Sang Hyub Yoon, Sun Kwang Kim
BACKGROUND: Oxaliplatin, a widely used anticancer drug against metastatic colorectal cancer, can induce acute peripheral neuropathy, which is characterized by cold and mechanical allodynia. Activation of glial cells (e.g. astrocytes and microglia) and increase of pro-inflammatory cytokines (e.g. IL-1β and TNF-α) in the spinal cord play a crucial role in the pathogenesis of neuropathic pain. Our previous study demonstrated that Gyejigachulbu-Tang (GBT), a herbal complex formula, alleviates oxaliplatin-induced neuropathic pain in rats by suppressing spinal glial activation...
January 14, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28088198/does-equity-in-healthcare-spending-exist-among-indian-states-explaining-regional-variations-from-national-sample-survey-data
#14
Rinshu Dwivedi, Jalandhar Pradhan
BACKGROUND: Equity and justice in healthcare payment form an integral part of health policy and planning. In the majority of low and middle-income countries (LMICs), healthcare inequalities are further aggravated by Out of Pocket Expenditure (OOPE). This paper examines the pattern of health equity and regional disparities in healthcare spending among Indian states by applying Andersen's behavioural model of healthcare utilization. METHODS: The present study uses data from the 66(th) quinquennial round of Consumer Expenditure Survey, of the National Sample Survey Organization (NSSO), conducted in 2009-10 by Ministry of Statistics and Programme Implementation (MoSPI), Government of India (GoI)...
January 14, 2017: International Journal for Equity in Health
https://www.readbyqxmd.com/read/28088008/instruments-evaluating-the-quality-of-the-clinical-learning-environment-in-nursing-education-a-systematic-review-of-psychometric-properties
#15
REVIEW
Irene Mansutti, Luisa Saiani, Luca Grassetti, Alvisa Palese
BACKGROUND: The clinical learning environment is fundamental to nursing education paths, capable of affecting learning processes and outcomes. Several instruments have been developed in nursing education, aimed at evaluating the quality of the clinical learning environments; however, no systematic review of the psychometric properties and methodological quality of these studies has been performed to date. OBJECTIVES: The aims of the study were: 1) to identify validated instruments evaluating the clinical learning environments in nursing education; 2) to evaluate critically the methodological quality of the psychometric property estimation used; and 3) to compare psychometric properties across the instruments available...
January 4, 2017: International Journal of Nursing Studies
https://www.readbyqxmd.com/read/28081371/gwas-identifies-new-loci-for-painful-temporomandibular-disorder
#16
A E Sanders, D Jain, T Sofer, K F Kerr, C C Laurie, J R Shaffer, M L Marazita, L M Kaste, G D Slade, R B Fillingim, R Ohrbach, W Maixner, T Kocher, O Bernhardt, A Teumer, C Schwahn, K Sipilä, R Lähdesmäki, M Männikkö, P Pesonen, M Järvelin, C M Rizzatti-Barbosa, C B Meloto, M Ribeiro-Dasilva, L Diatchenko, P Serrano, S B Smith
Temporomandibular disorder (TMD) is a musculoskeletal condition characterized by pain and reduced function in the temporomandibular joint and/or associated masticatory musculature. Prevalence in the United States is 5% and twice as high among women as men. We conducted a discovery genome-wide association study (GWAS) of TMD in 10,153 participants (769 cases, 9,384 controls) of the US Hispanic Community Health Study/Study of Latinos (HCHS/SOL). The most promising single-nucleotide polymorphisms (SNPs) were tested in meta-analysis of 4 independent cohorts...
January 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28079159/socs1-favors-the-epithelial-mesenchymal-transition-in-melanoma-promotes-tumor-progression-and-prevents-antitumor-immunity-by-pd-l1-expression
#17
R Berzaghi, V S C Maia, F V Pereira, F M Melo, M S Guedes, C S T Origassa, J B Scutti, A L Matsuo, N O S Câmara, E G Rodrigues, L R Travassos
Silencing of SOCS1 protein with shRNAi lentivirus (shR-SOCS1) led to partial reversion of the tumorigenic phenotype of B16F10-Nex2 melanoma cells. SOCS1 silencing inhibited cell migration and invasion as well as in vitro growth by cell cycle arrest at S phase with increased cell size and nuclei. Down-regulation of SOCS1 decreased the expression of epidermal growth factor receptor, Ins-Rα, and fibroblast growth factor receptors. The present work aimed at analyzing the SOCS1 cell signaling and expression of proteins relevant to tumor development...
January 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28078785/risks-of-ocean-acidification-in-the-california-current-food-web-and-fisheries-ecosystem-model-projections
#18
Kristin N Marshall, Isaac C Kaplan, Emma E Hodgson, Albert Hermann, D Shallin Busch, Paul McElhany, Timothy E Essington, Chris J Harvey, Elizabeth A Fulton
The benefits and ecosystem services that humans derive from the oceans are threatened by numerous global change stressors, one of which is ocean acidification. Here, we describe the effects of ocean acidification on an upwelling system that already experiences inherently low pH conditions, the California Current. We used an end-to-end ecosystem model (Atlantis), forced by downscaled global climate models and informed by a meta-analysis of the pH sensitivities of local taxa, to investigate the direct and indirect effects of future pH on biomass and fisheries revenues...
January 12, 2017: Global Change Biology
https://www.readbyqxmd.com/read/28078559/empirical-combination-of-a-%C3%AE-lactam-to-vancomycin-may-not-improve-outcomes-of-methicillin-susceptible-staphylococcus-aureus-bacteremia-compared-to-vancomycin-monotherapy
#19
G E Park, J-H Ko, S Y Cho, Y E Ha, N Y Lee, C-I Kang, D R Chung, J-H Song, K R Peck
To evaluate effect of empirical combination of a β-lactam to vancomycin and vancomycin monotherapy in Staphylococcus aureus bacteremia (MSSA-B), we conducted a retrospective cohort study. Electronic medical records of individuals who were diagnosed with MSSA-B between January 2005 and February 2015 at a tertiary care center were reviewed. Patients were classified into three groups according to empirical antibiotic regimen (BL group, β-lactam; VAN group, vancomycin; BV group, combination of β-lactam and vancomycin), and 30-day all-cause mortality of each group was compared...
January 11, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28078226/clinical-utility-of-sperm-dna-fragmentation-testing-practice-recommendations-based-on-clinical-scenarios
#20
REVIEW
Ashok Agarwal, Ahmad Majzoub, Sandro C Esteves, Edmund Ko, Ranjith Ramasamy, Armand Zini
Sperm DNA fragmentation (SDF) has been generally acknowledged as a valuable tool for male fertility evaluation. While its detrimental implications on sperm function were extensively investigated, little is known about the actual indications for performing SDF analysis. This review delivers practice based recommendations on commonly encountered scenarios in the clinic. An illustrative description of the different SDF measurement techniques is presented. SDF testing is recommended in patients with clinical varicocele and borderline to normal semen parameters as it can better select varicocelectomy candidates...
December 2016: Translational Andrology and Urology
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