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https://www.readbyqxmd.com/read/28532049/co-delivery-of-cisplatin-and-doxorubicin-from-calcium-phosphate-beads-matrix-scaffolds-for-osteosarcoma-therapy
#1
Ulrike Hess, Shakiba Shahabi, Laura Treccani, Philipp Streckbein, Christian Heiss, Kurosch Rezwan
Bone substitute materials with a controlled drug release ability can fill cavities caused by the resection of bone tumours and thereby combat any leftover bone cancer cells. The combined release of different cytostatics seems to enhance their toxicity. In this study, calcium phosphate beads and matrix scaffolds are combined for a long-term co-delivery of cis-diamminedichloroplatinum (cisplatin, CDDP) and doxorubicin hydrochloride (DOX) as clinical relevant model drugs. Tricalcium phosphate/alginate beads as additional drug carrier are produced by droplet extrusion with ionotropic gelation and incorporated in scaffold matrix by freeze gelation without sintering...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28531992/boronate-functionalized-hydrogel-as-a-novel-biosensing-interface-for-the-glycated-hemoglobin-a1c-hba1c-based-on-the-competitive-binding-with-signaling-glycoprotein
#2
Yong Duk Han, Ka Ram Kim, Yoo Min Park, Seung Yeon Song, Yong Ju Yang, Kangsun Lee, Yunhee Ku, Hyun C Yoon
According to recent increases in public healthcare costs associated with diabetes mellitus, the development of new glycemic monitoring techniques based on the biosensing of glycated hemoglobin A1c (HbA1c), a promising long-term glycemic biomarker, has become a major challenge. In the development of HbA1c biosensors for point-of-care applications, the selection of an effective biorecognition layer that provides a high reaction yield and specificity toward HbA1c is regarded as the most significant issue. To address this, we developed a novel HbA1c biosensing interfacial material by the integration of boronate hydrogel with glass fiber membrane...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28531889/gender-specific-differences-in-peritoneal-dialysis
#3
Daniel Kitterer, Stephan Segerer, Niko Braun, M Dominik Alscher, Joerg Latus
BACKGROUND/AIMS: Gender-specific differences between patients on renal replacement therapy have so far rarely been investigated. In the present study we aimed to describe gender-specific differences in a large cohort of peritoneal dialysis (PD) patients. METHODS: Clinical information for all patients who started PD at our center has been collected since the start of the PD-program in 1979. We used Cox regression to examine associations between technique failure and gender...
May 25, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28531882/%C3%AE-thromboglobulin-and-incident-cardiovascular-disease-risk-the-atherosclerosis-risk-in-communities-study
#4
Yasuhiko Kubota, Alvaro Alonso, Aaron R Folsom
INTRODUCTION: Although it has been suggested that increased concentrations of activated platelet biomarkers are associated with increased risk of incident cardiovascular disease (CVD) in the general population, evidence for this association is still controversial. Thus, we tested the hypothesis that activated platelets, measured by higher concentrations of β-thromboglobulin, are associated with increased risk of incident CVD (coronary heart disease, heart failure ischemic stroke, and atrial fibrillation)...
May 17, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28531378/cognitive-ability-in-young-adulthood-and-risk-of-dementia-in-a-cohort-of-danish-men-brothers-and-twins
#5
Merete Osler, Gunhild T Christensen, Ellen Garde, Erik L Mortensen, Kaare Christensen
INTRODUCTION: We examined the association between cognitive ability in young adulthood and dementia in Danish men, brothers, and male twins. METHODS: In total, 666,986 men born between 1939 and 1959 were identified for dementia diagnosis in national registries from 1969 to 2016. The association between cognitive ability from draft board examination and dementia was examined using Cox regression. RESULTS: During a 44-year follow-up, 6416 (0...
May 19, 2017: Alzheimer's & Dementia: the Journal of the Alzheimer's Association
https://www.readbyqxmd.com/read/28531348/plant-derived-transcription-factors-for-orthologous-regulation-of-gene-expression-in-the-yeast-saccharomyces-cerevisiae
#6
Gita Naseri, Salma Balazadeh, Fabian Machens, Iman Kamranfar, Katrin Messerschmidt, Bernd Mueller-Roeber
Control of gene expression by transcription factors (TFs) is central in many synthetic biology projects where tailored expression of one or multiple genes is often needed. As TFs from evolutionary distant organisms are unlikely to affect gene expression in a host of choice, they represent excellent candidates for establishing orthogonal control systems. To establish orthogonal regulators for use in yeast (Saccharomyces cerevisiae), we chose TFs from the plant Arabidopsis thaliana. We established a library of 106 different combinations of chromosomally integrated TFs, activation domains (yeast GAL4 AD, herpes simplex virus VP64, and plant EDLL) and synthetic promoters harbouring cognate cis-regulatory motifs driving a yEGFP reporter...
May 22, 2017: ACS Synthetic Biology
https://www.readbyqxmd.com/read/28530847/repeatability-of-mr-elastography-of-liver-a-meta-analysis
#7
Suraj D Serai, Nancy A Obuchowski, Sudhakar K Ventakesh, Claude B Sirlin, Frank H Miller, Edward Ashton, Patricia E Cole, Richard L Ehman
Purpose To perform a meta-analysis to generate an estimate of the repeatability coefficient (RC) for magnetic resonance (MR) elastography of the liver. Materials and Methods A systematic search of databases was performed for publications on MR elastography during the 10-year period between 2006 and 2015. The identified studies were screened independently and were verified reciprocally by all authors. Two reviewers independently determined the percentage RC and effective sample size from each article. A forest plot was constructed of the percentage RC estimates from the 12 studies...
May 22, 2017: Radiology
https://www.readbyqxmd.com/read/28530506/racial-differences-in-20-year-cardiovascular-mortality-risk-among-childhood-and-young-adult-cancer-survivors
#8
Amy M Berkman, Abenaa M Brewster, Lee W Jones, Jun Yu, J Jack Lee, S Andrew Peng, Abigail Crocker, Joann L Ater, Susan C Gilchrist
PURPOSE: Whether cardiovascular disease (CVD) risk differs according to race and cancer type among survivors of childhood or young adulthood cancers is unknown. METHODS: Data from the years 1973-2011 were analyzed using the Surveillance, Epidemiology, and End Results (SEER) registries. Cases were categorized by ICD-0-3/WHO 2008 Adolescent and Young Adult classification. CVD death was determined by ICD-10 codes for diseases of the heart, atherosclerosis, cerebrovascular diseases, or other diseases of the arteries...
May 22, 2017: Journal of Adolescent and Young Adult Oncology
https://www.readbyqxmd.com/read/28530448/carbohydrates-alone-or-mixing-with-beef-or-whey-protein-promote-similar-training-outcomes-in-resistance-training-males-a-double-blind-randomized-controlled-clinical-trial
#9
Fernando Naclerio, Marco Seijo-Bujia, Eneko Larumbe-Zabala, Conrad P Earnest
Beef powder is a new high-quality protein source scarcely researched relative to exercise performance. The present study examined the impact of ingesting hydrolyzed beef protein, whey protein, and carbohydrate on strength performance (1RM), body composition (via plethysmography), limb circumferences and muscular thickness (via ultrasonography), following an 8-week resistance-training program. After being randomly assigned to one of the following groups: Beef, Whey, or Carbohydrate, twenty four recreationally physically active males (n=8 per treatment) ingested 20 g of supplement, mixed with orange juice, once a day (immediately after workout or before breakfast)...
May 22, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/28530072/-factors-predicting-overall-and-disease-free-survival-after-surgery-for-invasive-bladder-cancer
#10
Eli Fried, Vladimir Yutkin, Dov Pode, Amos Shapiro, Guy Hidas, Ilan Gielchinsky, Ezekiel H Landau, Shilo Rosenberg, Mordechai Duvdevani, Ofer N Gofrit
OBJECTIVES: To evaluate the prognosis of patients who underwent surgery for invasive bladder cancer and to search for prognostic factors. METHODS: The files of all the patients who underwent radical or partial cystectomy for invasive bladder cancer between 1992 and 2014 were reviewed. The effect of various prognostic factors was evaluated by uni- and multivariate analyses. RESULTS: A total of 160 patients were included in the study and were followed for a median period of 25...
November 2016: Harefuah
https://www.readbyqxmd.com/read/28529737/identifying-the-association-between-interleukin-6-and-lichen-planus-a-meta-analysis
#11
Meng Yin, Guifeng Li, Hui Song, Song Lin
Numerous studies have examined the association between interleukin-6 and the pathogenesis of lichen planus (LP)/oral LP (OLP) in various populations; however, there is a lack of systematic analysis. The aim of the present study was to assess this association more precisely, thus a meta-analysis was performed. Case-control studies, which were published up to December 2015, were obtained from PubMed, Embase and the China National Knowledge Infrastructure databases. Data were extracted and pooled mean differences (MDs) with 95% confidence intervals (CIs) were calculated...
May 2017: Biomedical Reports
https://www.readbyqxmd.com/read/28529519/genome-wide-identification-of-sorghum-bicolor-laccases-reveals-potential-targets-for-lignin-modification
#12
Jinhui Wang, Juanjuan Feng, Weitao Jia, Pengxiang Fan, Hexigeduleng Bao, Shizhong Li, Yinxin Li
Laccase is a key enzyme in plant lignin biosynthesis as it catalyzes the final step of monolignols polymerization. Sweet sorghum [Sorghum bicolor (L.) Moench] is considered as an ideal feedstock for ethanol production, but lignin greatly limits the production efficiency. No comprehensive analysis on laccase has ever been conducted in S. bicolor, although it appears as the most promising target for engineering lignocellulosic feedstock. The aim of our work is to systematically characterize S. bicolor laccase gene family and to identify the lignin-specific candidates...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28528905/a-pheromone-antagonist-regulates-optimal-mating-time-in-the-moth-helicoverpa-armigera
#13
Hetan Chang, Yang Liu, Dong Ai, Xingchuan Jiang, Shuanglin Dong, Guirong Wang
Many insect species use multi-component sex pheromones to discriminate among potential mating partners [1-5]. In moths, pheromone blends tend to be dominated by one or two major components, but behavioral responses are frequently optimized by the inclusion of less abundant minor components [6]. An increasing number of studies have shown that female insects use these chemicals to convey their mating availability to males, who can assess the maturity of females and thus decide when to mate [7, 8]. However, little is known about the biological mechanisms that enable males to assess female reproductive status...
May 17, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28528780/comparative-effectiveness-and-safety-of-apixaban-and-vitamin-k-antagonist-therapy-in-patients-with-nonvalvular-atrial-fibrillation-treated-in-routine-german-practice
#14
Craig I Coleman, W Frank Peacock, Matthias Antz
BACKGROUND: Scarce data comparing real-world outcomes between apixaban and vitamin K antagonist (VKA) users with nonvalvular atrial fibrillation (NVAF) are available. We sought to assess the effectiveness and safety of newly-initiated apixaban vs. VKA in German NVAF patients. MATERIALS AND METHODS: We performed a retrospective analysis in German outpatients using IMS Disease Analyzer data. Adults newly-initiated on apixaban or a VKA from January 2013 to March 2015 with a diagnosis of NVAF on the day of the first qualifying oral anticoagulant (OAC) prescription (index date) or any time during one year prior, and at least one year of follow-up were included...
May 3, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28528742/patterns-of-gun-deaths-across-us-counties-1999-2013
#15
Bindu Kalesan, Sandro Galea
PURPOSE: We examined the socio-demographic distribution of gun deaths across 3143 counties in 50 United States' states to understand the spatial patterns and correlates of high and low gun deaths. METHODS: We used aggregate counts of gun deaths and population in all counties from 1999 to 2013 from the Centers for Disease Control and Prevention's Wide-ranging Online Data for Epidemiologic Research (WONDER). We characterized four levels of gun violence, as distinct levels of gun death rates of relatively safe, unsafe, violent, and extremely violent counties, based on quartiles of 15-year county-specific gun death rates per 100,000 and used negative binomial regression models allowing clustering by state to calculate incidence rate ratios and 95% confidence intervals (95% CIs)...
April 27, 2017: Annals of Epidemiology
https://www.readbyqxmd.com/read/28528721/perspectives-on-gene-regulatory-network-evolution
#16
REVIEW
Marc S Halfon
Animal development proceeds through the activity of genes and their cis-regulatory modules (CRMs) working together in sets of gene regulatory networks (GRNs). The emergence of species-specific traits and novel structures results from evolutionary changes in GRNs. Recent work in a wide variety of animal models, and particularly in insects, has started to reveal the modes and mechanisms of GRN evolution. I discuss here various aspects of GRN evolution and argue that developmental system drift (DSD), in which conserved phenotype is nevertheless a result of changed genetic interactions, should regularly be viewed from the perspective of GRN evolution...
May 18, 2017: Trends in Genetics: TIG
https://www.readbyqxmd.com/read/28528597/adjunctive-memantine-for-schizophrenia-a-meta-analysis-of-randomized-double-blind-placebo-controlled-trials
#17
W Zheng, X-H Li, X-H Yang, D-B Cai, G S Ungvari, C H Ng, S-B Wang, Y-Y Wang, Y-P Ning, Y-T Xiang
BACKGROUND: Dysfunction of N-methyl-D-aspartate receptor (NMDAR) is involved in the pathophysiology of schizophrenia. A meta-analysis of randomized controlled trials (RCTs) was conducted to examine the efficacy and safety of memantine, a non-competitive NMDAR antagonist, in the treatment of schizophrenia. METHODS: Standardized/weighted mean differences (SMDs/WMDs), risk ratio (RR), and their 95% confidence intervals (CIs) were calculated and analyzed. RESULTS: Included in the meta-analysis were eight RCTs (n = 452) of 11...
May 22, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28528584/autism-risk-following-antidepressant-medication-during-pregnancy
#18
A Viktorin, R Uher, A Reichenberg, S Z Levine, S Sandin
BACKGROUND: Previous studies have examined if maternal antidepressant medication during pregnancy increase the risk of autism spectrum disorder (ASD) in the offspring, but the results have been conflicting. METHODS: In a population-based cohort of 179 007 children born in 2006 and 2007 and followed through 2014 when aged 7 and 8, we estimated relative risks (RRs) of ASD and 95% confidence intervals (CIs) from Cox regression in children exposed to any antidepressant medication during pregnancy, and nine specific antidepressant drugs...
May 22, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28528350/prevalence-and-impact-of-severe-fatigue-in-adolescent-and-young-adult-cancer-patients-in-comparison-with-population-based-controls
#19
Hanneke Poort, Suzanne E J Kaal, Hans Knoop, Rosemarie Jansen, Judith B Prins, Eveliene Manten-Horst, Petra Servaes, Olga Husson, Winette T A van der Graaf
PURPOSE: The current study determined the prevalence of severe fatigue in adolescent and young adult (AYA) cancer patients (aged 18-35 years at diagnosis) consulting a multidisciplinary AYA team in comparison with gender- and age-matched population-based controls. In addition, impact of severe fatigue on quality of life and correlates of fatigue severity were examined. METHODS: AYAs with cancer (n = 83) completed questionnaires including the Checklist Individual Strength (CIS-fatigue), Quality of Life (QoL)-Cancer Survivor, Hospital Anxiety and Depression Scale (reflecting psychological distress), and the Cancer Worry Scale (reflecting fear of cancer recurrence or progression)...
May 20, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28528164/mri-derived-myocardial-strain-measures-in-normal-subjects
#20
Ha Q Vo, Thomas H Marwick, Kazuaki Negishi
OBJECTIVES: The aim of this study was to perform a systematic review and meta-analysis to estimate the normal ranges of magnetic resonance imaging (MRI)-based feature tracking (FT) and to identify sources of variations. Similar analyses were also performed for strain encoding, displacement encoding with stimulated echoes, and myocardial tagging. BACKGROUND: MRI-FT is a novel technique for quantification of myocardial deformation using MRI cine images. However, the reported 95% confidence intervals (CIs) from the 2 largest studies have no overlaps...
May 11, 2017: JACC. Cardiovascular Imaging
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