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https://www.readbyqxmd.com/read/28941453/development-of-a-dna-aptamer-for-screening-neisseria-meningitidis-serogroup-b-by-cell-selex
#1
Kimia Mirzakhani, Seyed Latif Mousavi Gargari, Iraj Rasooli, Samaneh Rasoulinejad
Background: Artificial oligonucleotides like DNA or RNA aptamers can be used as biodiagnostic alternatives for antibodies to detect pathogens. Comparing to antibodies, artificial oligonucleotides are produced easily at lower costs and are more stable. Neisseria meningitidis, the causative agent of meningitis, is responsible for about 1% of infections in an epidemic period. Specific DNA aptamers that bind to N. meningitidis serogroup B were identified by whole-cell Systemic Evolution of Ligands by EXponential Enrichment (SELEX)...
September 24, 2017: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/28941414/synthesis-spectral-and-luminescence-study-crystal-structure-determination-and-dft-calculation-of-binuclear-palladium-ii-complexes
#2
S Seyfi, R Alizadeh, M Darvish Ganji, V Amani
Binuclear palladium(II) complexes with metal-metal (d(8)-d(8)) bonding interaction were synthesized by reactions of the 1-methyl-1H-1,2,3,4-tetrazole-5-thiol (Hmtzt) or a mixture of Hmtzt and 1,3-propanediamine (1,3-pda) ligands. Complex [Pd2(μ-mtzt)4]·2CH3CN (1) was synthesized by the reaction of Pd(OAc)2 with Hmtzt dissolved in acetonitrile and complex [Pd2(μ-mtzt)2(mtzt)2(1,3-pda)] (2) was synthesized by reaction of a mixture of Hmtzt and 1,3-propanediamine (dissolved in methanol) with PdCl2 (dissolved in acetonitrile) and were identified through elemental analysis, IR, UV-Vis, (1)H NMR, luminescence spectroscopy as well as single-crystal X-ray diffraction method...
September 14, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28941391/chlorinated-paraffins-leaking-from-hand-blenders-can-lead-to-significant-human-exposures
#3
Bo Yuan, Anna Strid, Per Ola Darnerud, Cynthia A de Wit, Jessica Nyström, Åke Bergman
BACKGROUND: Chlorinated paraffins (CPs, polychlorinated n-alkanes) are versatile, high-production-volume chemicals. A previous study indicated that hand blenders leak CPs into prepared food. OBJECTIVES: (1) to estimate exposure to CPs from hand blender use compared to background CP exposure from diet; (2) to assess the risk from human dietary exposure to CPs from hand blender use; (3) to investigate how hand blenders leak out CPs. METHODS: CPs were analyzed in food market baskets, in cooking oil/water samples (1g oil/100mL water) mixed using 16 different hand blenders, and in dismantled components of the hand blenders...
September 20, 2017: Environment International
https://www.readbyqxmd.com/read/28941364/nonalcoholic-fatty-liver-disease-incidence-and-impact-on-metabolic-burden-and-death-a-20-year-community-study
#4
Alina M Allen, Therneau M Terry, Joseph J Larson, Alexandra Coward, Virend K Somers, Patrick S Kamath
Recent population-based data on nonalcoholic fatty liver disease (NAFLD) epidemiology in general and incidence in particular, are lacking. We examined trends in NAFLD incidence in a US community, and the impact of NAFLD on incident metabolic comorbidities (MC), cardiovascular (CV) events and mortality. A community cohort of all adults diagnosed with NAFLD in Olmsted County, MN between 1997-2014 was constructed using the Rochester Epidemiology Project database. The yearly incidence rate was calculated. The impact of NAFLD on incident MC, CV events and mortality was studied using a multi-state model, with a 4:1 age and sex-matched general population as reference...
September 23, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28938794/association-between-plant-based-diets-and-plasma-lipids-a-systematic-review-and-meta-analysis
#5
Yoko Yokoyama, Susan M Levin, Neal D Barnard
Context: Although a recent meta-analysis of randomized controlled trials showed that adoption of a vegetarian diet reduces plasma lipids, the association between vegetarian diets and long-term effects on plasma lipids has not been subjected to meta-analysis. Objective: The aim was to conduct a systematic review and meta-analysis of observational studies and clinical trials that have examined associations between plant-based diets and plasma lipids. Data Sources: MEDLINE, Web of Science, and the Cochrane Central Register of Controlled Trials were searched for articles published in English until June 2015...
September 1, 2017: Nutrition Reviews
https://www.readbyqxmd.com/read/28938771/comparative-estimation-of-inevitable-endogenous-ileal-flow-of-amino-acids-in-pekin-ducks-under-varying-dietary-or-physiological-conditions-and-their-significance-to-nutritional-requirements-for-amino-acids
#6
D O Akinde
In 2 experiments in Pekin ducks the inevitable endogenous ileal flow (IEIF) of AA was estimated at changing intake and source of crude fiber (CF) or soybean oil (SO) level. Also the roles of dry matter intake (DMI) and BW or age as well as the proportion of IEIF in the dietary requirement for AA were studied. In experiment 1 three basal CP (20, 60, or 100 g/kg) diets were formulated containing a low CF (LCF, 30 g/kg) or high (HCF, 80 g/kg) level; achieved with cellulose supplementation. All diets were similar in every other respect including having SO content of 40 g/kg...
October 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/28938763/abnormal-histopathology-fat-percent-and-hepatic-apolipoprotein-a-i-and-apolipoprotein-b100-mrna-expression-in-fatty-liver-hemorrhagic-syndrome-and-their-improvement-by-soybean-lecithin
#7
Yalu Song, Jiming Ruan, Junrong Luo, Tiancheng Wang, Fei Yang, Huabin Cao, Jianzhen Huang, Guoliang Hu
To investigate the etiopathogenesis of fatty liver hemorrhagic syndrome (FLHS) and the protective effects of soybean lecithin against FLHS in laying hens, 135 healthy 300-day-old Hyline laying hens were randomly divided into groups: control (group 1), diseased (group 2), and protected (group 3). Each group contained 45 layers with 3 replicates. The birds in these 3 groups were fed a control diet, a high-energy/low-protein (HELP) diet or the HELP diet supplemented with 3% soybean lecithin instead of maize. The fat percent in the liver was calculated...
October 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/28938740/selective-outcome-reporting-and-sponsorship-in-randomized-controlled-trials-in-ivf-and-icsi
#8
M Braakhekke, I Scholten, F Mol, J Limpens, B W Mol, F van der Veen
STUDY QUESTION: Are randomized controlled trials (RCTs) on IVF and ICSI subject to selective outcome reporting and is this related to sponsorship? SUMMARY ANSWER: There are inconsistencies, independent from sponsorship, in the reporting of primary outcome measures in the majority of IVF and ICSI trials, indicating selective outcome reporting. WHAT IS KNOWN ALREADY: RCTs are subject to bias at various levels. Of these biases, selective outcome reporting is particularly relevant to IVF and ICSI trials since there is a wide variety of outcome measures to choose from...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938728/modeling-of-live-birth-rates-and-cost-effectiveness-of-oocyte-cryopreservation-for-cancer-patients-prior-to-high-and-low-risk-gonadotoxic-chemotherapy
#9
B Lyttle Schumacher, N Grover, T Mesen, A Steiner, J Mersereau
STUDY QUESTION: What is the live-birth rate (LBR) and cost-effectiveness of fertility preservation with oocyte cryopreservation (FP-OC) compared to expectant management in cancer patients age 25-40 based on estimated gonadotoxicity of treatments 5 years after cancer diagnosis? SUMMARY ANSWER: Oocyte cryopreservation prior to cancer treatment is more costly, yet more effective (producing more live births), than not undergoing oocyte cryopreservation but it is most beneficial for patients undergoing high-risk chemotherapy (HRC)...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938690/p-akt-as-a-potential-poor-prognostic-factor-for-gastric-cancer-a-systematic-review-and-meta-analysis
#10
REVIEW
Fang Cao, Cong Zhang, Wei Han, Xiao-Jiao Gao, Jun Ma, Yong-Wei Hu, Xing Gu, Hou-Zhong Ding, Li-Xia Zhu, Qin Liu
To understand the relationship between p-Akt expression and the prognosis of patients with gastric cancer, we searched six databases, Pubmed, EMBASE, Cochrane Library, CNKI, Wanfang and CBM for relevant articles in order to conduct this metaanalysis. The pooled hazard ratios and corresponding 95%CI of overall survival were calculated to evaluate the prognostic value of p-Akt expression in patients with gastric cancer. With 2261 patients combined from 13 available studies, the pooled HR showed a poor prognosis in patients with gastric cancer in the univariate analysis (HR=1...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938689/efficacy-and-safety-of-traditional-chemotherapies-for-patients-with-ovarian-neoplasm-a-network-meta-analysis
#11
REVIEW
Lili Yang, Gongliang Guo, Liqun Sun, Chenhao Li, Haipeng Zhang
BACKGROUND: Ovarian neoplasm is a kind of high risky cancer among female. This paper assessed the efficacy and safety of twelve therapies and figured out the superior chemotherapeutic drug for ovarian cancer through network meta-analysis (NMA). METHOD: Eligible randomized controlled trials (RCTs) were retrieved from electronic databases. Primary outcomes concerning efficacy, overall survival (OS) and progression-free survival (PFS), were presented as hazard ratio (HR) and the associated 95% credible interval(CrI), while outcomes concerning safety were assessed by odds ratio (OR) and the corresponding 95% CrI...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938679/association-of-immunologic-markers-from-complete-blood-counts-with-the-response-to-preoperative-chemoradiotherapy-and-prognosis-in-locally-advanced-rectal-cancer
#12
Sung Woo Jung, In Ja Park, Se Heon Oh, Seung-Seop Yeom, Jong Lyul Lee, Yong Sik Yoon, Chan Wook Kim, Seok-Byung Lim, Jung Bok Lee, Chang Sik Yu, Jin Cheon Kim
We investigated retrospectively whether immunologic markers from a complete blood count (CBC) are associated with the responsiveness to preoperative chemoradiotherapy (PCRT) and oncologic outcomes in 984 patients with locally advanced rectal cancer (LARC) who also underwent radical surgery from 2005 to 2013. CBC parameters including the neutrophil to lymphocyte ratio (NLR), lymphocyte to monocyte ratio (LMR), and platelet to lymphocyte ratio (PLR) were recorded. Pathologic responses to PCRT were evaluated in the resected specimens using the tumor regression grade system...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938677/comparison-of-18-fdg-pet-pet-ct-and-bone-scintigraphy-for-detecting-bone-metastases-in-patients-with-nasopharyngeal-cancer-a-meta-analysis
#13
Chuanhui Xu, Ruiming Zhang, Huanlei Zhang, Zhenyan Zhang
OBJECTIVE: We performed a meta-analysis to compare the diagnostic efficacy of (18)FDG PET/PET-CT and bone scintigraphy (BS) for diagnosing bone metastatic cancers in nasopharyngeal cancer patients. RESULTS: 6 studies (1238 patients) fulfilled the inclusion criteria. The pooled sensitivities for (18)FDG PET/PET-CT and BS were 0.81 (95% confidence interval [CI] = 0.70 to 0.98) and 0.39 (95% CI = 0.26 to 0.54), specificities were 0.99 (95% CI = 0.98 to 0.99) and 0...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938674/network-meta-analysis-of-the-efficacy-and-adverse-effects-of-several-treatments-for-advanced-metastatic-prostate-cancer
#14
Jing Wu, Wei-Kang Chen, Wei Zhang, Jin-Song Zhang, Jian-He Liu, Yong-Ming Jiang, Ke-Wei Fang
This network meta-analysis was conducted to compare the efficacy and adverse effects of several treatments for advanced/metastatic prostate cancer (PC). The PubMed and Cochrane Library databases were searched for randomized controlled trials of treatments for advanced/metastatic PC. Eighteen studies covering 6,340 patients were included in this analysis. The calculated were odds ratios, 95% confidence intervals, and the surface under the cumulative ranking (SUCRA) curve. Pairwise meta-analysis showed that overall survival rates achieved with radiotherapy or endocrine therapy were lower than obtained with radiotherapy + endocrine therapy...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938653/overexpression-of-emt-inducing-transcription-factors-as-a-potential-poor-prognostic-factor-for-hepatocellular-carcinoma-in-asian-populations-a-meta-analysis
#15
Tao Wan, Tianwei Zhang, Xiaoying Si, Yanming Zhou
BACKGROUND AND OBJECTIVES: The clinical relevance of epithelial to mesenchymal transition (EMT) in hepatocellular carcinoma (HCC) progression has been highlighted during the last decade. The zinc finger E-box binding homeobox (ZEB) family, the zinc-finger transcriptional repressor (SNAI) family, and the basic helix-loop-helix transcription factor (Twist) family, known as the prominent EMT-inducing transcription factors (EMT-TFs), played a crucial role in the process of EMT. Here, this meta-analysis aimed to evaluate the prognostic value of EMT-TFs high expression in patients with HCC after hepatectomy...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938625/predictive-value-of-preoperative-retinal-nerve-fiber-layer-thickness-for-postoperative-visual-recovery-in-patients-with-chiasmal-compression
#16
Jing Zhang, Sunfu Zhang, Yanlin Song, Chenjing Zhu, Min He, Qingqing Ren, Baoyin Shan, Ziqiong Wang, Yunhui Zeng, Jianguo Xu
The aim of this study was to evaluate the predictive role of preoperative retinal nerve fiber layer (RNFL) thickness for postoperative visual recovery in patients with chiasmal compression through performing a meta-analysis. PubMed, EMBASE, Cochrane Library and China National Knowledge Infrastructure were searched for relevant studies. The study and patient characteristics were extracted. Pooled odds ratio (OR) with 95% confidence interval (CI) was calculated to estimate the predictive value of RNFL thickness...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938327/adipose-tissue-derived-stromal-vascular-fraction-increases-osteogenesis-in-an-experimental-design-zygomatic-bone-defect-model
#17
Gaye Toplu, Derya Ozcelik, Merdan Serin, Havva Erdem, Arzu Turkseven Topacoglu
INTRODUCTION: Facial bone defects are frequently encountered problems in clinical practice. Bone grafts, flaps, and alloplastic materials are often used in their treatment. This leads to donor site morbidity and prolongation of the operation. The authors have planned this study to examine whether adipose tissue derived stromal vascular fraction (SVF) has an osteogenic effect in the critical sized membranous bone defect of the zygomatic bone. MATERIALS AND METHODS: Twenty male Wistar Albino rats were used...
September 21, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28938284/longitudinal-validation-of-the-promis-physical-function-item-bank-in-upper-extremity-trauma
#18
Aaron J Kaat, Nan E Rothrock, Mark S Vrahas, Robert V OʼToole, Sarah K Buono, Timothy Zerhusen, Richard C Gershon
OBJECTIVES: To evaluate the reliability, validity, and responsiveness of the Patient-Reported Outcomes Measurement Information System (PROMIS) Upper Extremity Computer Adaptive Test (UE-CAT) and the 8-item Physical Function short form (PF-SF8a) for monitoring outcomes after musculoskeletal injuries in upper extremity trauma patients. DESIGN: Prospective cohort study. SETTING: Two Level-I trauma centers. PATIENTS: Eligible consecutive patients were approached and 424 consented at time 1 (median 9...
October 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28938266/identification-of-an-optimal-cut-off-for-drain-fluid-amylase-on-postoperative-day-1-for-predicting-clinically-relevant-fistula-after-distal-pancreatectomy-a-multi-institutional-analysis-and-external-validation
#19
Laura Maggino, Giuseppe Malleo, Claudio Bassi, Valentina Allegrini, Joal D Beane, Ross M Beckman, Bofeng Chen, Euan J Dickson, Jeffrey A Drebin, Brett L Ecker, Douglas L Fraker, Michael G House, Nigel B Jamieson, Ammar A Javed, Stacy J Kowalsky, Major K Lee, Matthew T McMillan, Robert E Roses, Roberto Salvia, Vicente Valero, Lavanniya K P Velu, Christopher L Wolfgang, Amer H Zureikat, Charles M Vollmer
OBJECTIVE: The aim of this study was to investigate the relationship between drain fluid amylase value on the first postoperative day (DFA1) and clinically relevant fistula (CR-POPF) after distal pancreatectomy (DP), and to identify the cut-off of DFA1 that optimizes CR-POPF prediction. BACKGROUND: DFA1 is a well-recognized predictor of CR-POPF after pancreatoduodenectomy, but its role in DP is largely unexplored. METHODS: DFA1 levels were correlated with CR-POPF in 2 independent multi-institutional sets of DP patients: developmental (n = 338; years 2012 to 2017) and validation cohort (n = 166; years 2006 to 2016)...
September 21, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28938247/challenges-with-percent-predicted-maximum-vo2-in-patients-with-heart-failure
#20
Clinton A Brawner, Jonathan K Ehrman, Ali Shafiq, Matthew A Saval, Stuart D Russell, David E Lanfear, Steven J Keteyian
PURPOSE: To describe the influence of different equations to predict maximum oxygen uptake (MVO2) on the percent predicted MVO2 (ppMVO2) and the resultant categorization of patients with heart failure with reduced ejection fraction (HFrEF) into high or low risk. METHODS: In this retrospective cohort study, ppMVO2 was calculated using six different equations to predict MVO2 among 1,168 patients with HFrEF (33% women). Repeated measures analysis of variance was used to compare within-subject differences in mean ppMVO2 between the prediction equations...
September 21, 2017: Medicine and Science in Sports and Exercise
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