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https://www.readbyqxmd.com/read/29909605/anemia-in-conventional-hemodialysis-finding-the-optimal-treatment-balance
#1
Takeshi Hasegawa, Fumihiko Koiwa, Tadao Akizawa
Renal anemia is a serious and common complication in hemodialysis (HD) patients. The introduction of erythropoiesis-stimulating agents (ESAs) has dramatically improved hemoglobin levels and outcomes. Several interventional studies reported that excessive correction of anemia and the massive use of ESA can trigger cardiovascular disease (CVD), and consequently may worsen the prognosis of patients undergoing HD. Therefore, it has been widely recognized that large doses of ESA should be used with caution. An effective use of iron preparations is required to yield the optimal effect of ESA...
June 17, 2018: Seminars in Dialysis
https://www.readbyqxmd.com/read/29909603/urinary-outcomes-in-patients-with-down-s-syndrome-and-hirschsprung-s-disease
#2
Alexander Johannes Martinus Dingemans, Carlos Albert Reck-Burneo, Molly Fuchs, Alejandra Vilanova Sanchez, Victoria Alison Lane, Erin Hoover, Tassiana Maloof, Laura Weaver, Marc A Levitt, Richard J Wood
INTRODUCTION:  Previous research in children with Hirschsprung's disease (HD) and Down's syndrome (DS) has focused on colorectal outcomes. We set out to review urinary outcomes in this patient group. METHODS:  The medical records of all patients aged five years and older with HD were reviewed, and patients and caregivers filled out the Vancouver Symptom Score at intake, which is designed and validated to diagnose dysfunctional elimination syndrome. RESULTS:  A total of 104 patients with HD were included in this study...
June 17, 2018: European Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29909602/traumatic-stress-among-school-aged-pediatric-surgery-patients-and-their-parents
#3
Amichai Ben Ari, Daniella Margalit, Raphael Udassin, Fortu Benarroch
INTRODUCTION:  Since hospitalization can be a traumatic event for children, many of them may suffer from a cluster of chronic psychological and emotional difficulties called Pediatric Medical Traumatic Stress (PMTS). Although PMTS causes considerable functional impairment and psychological distress and may decrease the children's compliance with post-surgical care, awareness of this condition is low and thus not enough effort is made to prevent it. The objective of this study is to assess prospectively the prevalence and characteristics of PMTS in school-age children following hospitalization in a general pediatric surgery ward and in their parents, which has not been documented before...
June 17, 2018: European Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29909594/the-influence-of-adolescence-on-parents-perspectives-of-testing-and-discussing-inherited-cancer-predisposition
#4
Corinna L Schultz, Melissa A Alderfer, Robert B Lindell, Zachary McClain, Kristin Zelley, Kim E Nichols, Carol A Ford
Li-Fraumeni syndrome (LFS) is a highly penetrant cancer predisposition syndrome that may present with a first cancer before or during adolescence/young adulthood. Families offered LFS genetic testing for their children can inform our understanding of how the unique developmental context of adolescence influences parental perspectives about genetic testing and discussions of cancer risk. In this study, semi-structured interviews were conducted with 46 parents of children at risk for LFS to capture those perspectives...
June 16, 2018: Journal of Genetic Counseling
https://www.readbyqxmd.com/read/29909592/combined-strategy-of-transcription-factor-manipulation-and-%C3%AE-glucosidase-gene-overexpression-in-trichoderma-reesei-and-its-application-in-lignocellulose-bioconversion
#5
Ying Xia, Lirong Yang, Liming Xia
The industrial application of Trichoderma reesei has been greatly limited by insufficient β-glucosidase activity in its cellulase system. In this study, a novel β-glucosidase expression cassette was constructed and integrated at the target site in T. reesei ZU-02, which achieved the overexpression of β-glucosidase gene and in situ disruption of the cellulase transcriptional repressor ACE1. The resulting transformants showed significant increase in both β-glucosidase activity (BGA) and filter paper activity (FPA)...
June 16, 2018: Journal of Industrial Microbiology & Biotechnology
https://www.readbyqxmd.com/read/29909590/do-cta-measurements-of-annular-diameter-perimeter-and-area-result-in-different-tavi-prosthesis-sizes
#6
Barbora Horehledova, Casper Mihl, Babs M F Hendriks, Nienke G Eijsvoogel, Jindrich Vainer, Leo F Veenstra, Joachim E Wildberger, Marco Das
Incorrect prosthesis size has direct impact on patient outcome after transcatheter aortic valve implantation (TAVI) procedure. Currently, annular diameter, area or perimeter may be used for prosthesis size selection. The aim was to evaluate whether the use different annular dimensions would result in the selection of different prosthesis sizes, when assessed in the same TAVI-candidate during the same phase of a cardiac cycle. Fifty consecutive TAVI-candidates underwent retrospectively ECG-gated computed tomography angiography (CTA)...
June 16, 2018: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/29909584/comparison-of-clinical-results-between-novel-percutaneous-pedicle-screw-and-traditional-open-pedicle-screw-fixation-for-thoracolumbar-fractures-without-neurological-deficit
#7
Ming Yang, Qinpeng Zhao, Dingjun Hao, Zhen Chang, Shichang Liu, Xinhua Yin
OBJECTIVES: To compare the efficacy and safety of novel percutaneous minimally invasive pedicle screw fixation and traditional open surgery for thoracolumbar fractures without neurological deficit. METHODS: Sixty adult patients with single thoracolumbar fracture between June 2014 and June 2016 were recruited in this study, randomly divided into open fixation group (group A) or minimally invasive percutaneous fixation group (group B). Clinical and surgical evaluation including surgery time, blood losses, radiation times, hospital stay, and complication were performed...
June 16, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29909582/analyzing-zno-clusters-through-the-density-functional-theory
#8
Irineo-Pedro Zaragoza, Luis-Antonio Soriano-Agueda, Raymundo Hernández-Esparza, Rubicelia Vargas, Jorge Garza
The potential energy surface of Zn n O n clusters (n = 2, 4, 6, 8) has been explored by using a simulated annealing method. For n = 2, 4, and 6, the CCSD(T)/TZP method was used as the reference, and from here it is shown that the M06-2X/TZP method gives the lowest deviations over PBE, PBE0, B3LYP, M06, and MP2 methods. Thus, with the M06-2X method we predict isomers of Zn n O n clusters, which coincide with some isomers reported previously. By using the atoms in molecules analysis, possible contacts between Zn and O atoms were found for all structures studied in this article...
June 16, 2018: Journal of Molecular Modeling
https://www.readbyqxmd.com/read/29909581/switch-maintenance-therapy-with-docetaxel-and-bevacizumab-after-induction-therapy-with-cisplatin-pemetrexed-and-bevacizumab-in-advanced-non-squamous-non-small-cell-lung-cancer-a-phase-ii-study
#9
Koji Nishimoto, Masato Karayama, Naoki Inui, Hideki Yasui, Hironao Hozumi, Yuzo Suzuki, Kazuki Furuhashi, Tomoyuki Fujisawa, Noriyuki Enomoto, Yutaro Nakamura, Nao Inami, Shun Matsuura, Yusuke Kaida, Takashi Matsui, Kazuhiro Asada, Hiroyuki Matsuda, Masato Fujii, Mikio Toyoshima, Shiro Imokawa, Takafumi Suda
Switch maintenance therapy, using alternative agents that were not administered during induction chemotherapy, is a treatment option for advanced non-squamous non-small cell lung cancer (NSCLC). Bevacizumab is known to increase the efficacy of other chemotherapeutic agents; however, switch maintenance therapy with docetaxel and bevacizumab has not been adequately studied. The goal of this study was to evaluate the efficacy and safety of switch maintenance therapy with docetaxel and bevacizumab following induction therapy with cisplatin, pemetrexed, and bevacizumab...
June 16, 2018: Medical Oncology
https://www.readbyqxmd.com/read/29909576/comparative-risks-of-bleeding-ischemic-stroke-and-mortality-with-direct-oral-anticoagulants-versus-phenprocoumon-in-patients-with-atrial-fibrillation
#10
Mariam Ujeyl, Ingrid Köster, Hans Wille, Thomas Stammschulte, Rebecca Hein, Sebastian Harder, Ursula Gundert-Remy, Julian Bleek, Peter Ihle, Helmut Schröder, Gerhard Schillinger, Anette Zawinell, Ingrid Schubert
PURPOSE: The pivotal trials for stroke prevention in non-valvular atrial fibrillation (NVAF) compared rivaroxaban, dabigatran, and apixaban with warfarin, as did most claims-based studies. Comparisons with phenprocoumon, the most frequently used vitamin K antagonist (VKA) in Germany, are scarce. METHODS: Risk of bleeding, ischemic stroke, and all-cause mortality in patients with NVAF were analyzed using data for 2010 to 2014 from a large German claims database. New users of oral anticoagulants from January 2012 to December 2013 were included and observed over 1 year...
June 16, 2018: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/29909573/efficient-removal-of-atrazine-from-aqueous-solutions-using-magnetic-saccharomyces-cerevisiae-bionanomaterial
#11
Xin Wu, Huijun He, William L Yang, Jiaping Yu, Chunping Yang
A novel bionanomaterial comprising Saccharomyces cerevisiae (S. cerevisiae) and Fe3 O4 nanoparticles encapsulated in a sodium alginate-polyvinyl alcohol (SA-PVA) matrix was synthesized for the efficient removal of atrazine from aqueous solutions. The effects of the operating parameters, nitrogen source, and glucose and Fe3+ contents on atrazine removal were investigated, and the intermediates were detected by gas chromatography-mass spectrometry (GC-MS). In addition, the synthesized Fe3 O4 particles were characterized by XRD, EDX, HR-TEM, FTIR, and hysteresis loops, and the bionanomaterial was characterized by SEM...
June 17, 2018: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29909572/the-%C3%AE-%C3%AE-crystallin-domain-of-lysinibacillus-sphaericus-phosphatidylinositol-phospholipase-c-plays-a-central-role-in-protein-stability
#12
Sebastián Cerminati, Luciana Paoletti, Salvador Peirú, Hugo G Menzella, María Eugenia Castelli
βγ-crystallin has emerged as a superfamily of structurally homologous proteins with representatives across all domains of life. A major portion of this superfamily is constituted by microbial members. This superfamily has also been recognized as a novel group of Ca2+ -binding proteins with a large diversity and variable properties in Ca2+ binding and stability. We have recently described a new phosphatidylinositol phospholipase C from Lysinibacillus sphaericus (LS-PIPLC) which was shown to efficiently remove phosphatidylinositol from crude vegetable oil...
June 16, 2018: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29909571/future-direction-in-marine-bacterial-agarases-for-industrial-applications
#13
REVIEW
Saeid Tamadoni Jahromi, Noora Barzkar
The marine ecosystem has been known to be a rich source of novel enzymes. Agarase is a key enzyme that can hydrolyze agar in the marine environment. Marine bacterial agarase has been isolated from various sources, such as sediments, coastal water, and deep sea and from the surface of crustaceans and seaweeds. This review presents an account of the agarase production of marine bacteria. General information about agar, agarase, isolation, and purification of marine bacterial agarases; the biochemical properties of native agarase from marine bacteria; the biochemical properties of recombinant marine bacterial agarases from engineered microorganisms; and the industrial future of marine bacterial agarases is analyzed...
June 16, 2018: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29909570/functions-and-impact-of-tal-like-genes-in-animals-with-regard-to-applied-aspects
#14
REVIEW
Min Zhu, Xiaolong Hu, Guangli Cao, Renyu Xue, Chengliang Gong
A large number of DNAs in eukaryote genomes can code for atypical transcripts, and their functions are controversial. It has been reported that the transcripts contain many small open reading frames (sORFs), which were originally considered as non-translatable RNAs. However, increasing evidence has suggested that some of these sORFs can encode for small peptides and some are conserved across large evolutionary distances. It has been reported that the small peptides have functions and may be involved in varieties of cellular processes, playing important roles in development, physiology, and metabolism...
June 16, 2018: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29909568/association-between-chek2-1100delc-and-breast-cancer-a-systematic-review-and-meta-analysis
#15
REVIEW
Mingming Liang, Yun Zhang, Chenyu Sun, Feras Kamel Rizeq, Min Min, Tingting Shi, Yehuan Sun
INTRODUCTION: The association between the checkpoint kinase 2*1100delC (CHEK2*1100delC) and breast cancer has been extensively explored. OBJECTIVE: In light of the recent publication of studies on these specific findings, particularly regarding male patients with breast cancer, we performed an updated meta-analysis to investigate a more reliable estimate. METHODS: This meta-analysis included 26 published studies selected in a search of electronic databases up to January 2018, including 118,735 breast cancer cases and 195,807 controls...
June 16, 2018: Molecular Diagnosis & Therapy
https://www.readbyqxmd.com/read/29909551/combined-use-of-leptin-and-mechanical-stress-has-osteogenic-effects-on-ossification-of-the-posterior-longitudinal-ligament
#16
Shuai Chen, Haifeng Zhu, Gangliang Wang, Ziang Xie, Jiying Wang, Jian Chen
PURPOSE: To evaluate the effects of leptin/leptin receptor (LepR) combined with mechanical stress on the development of ossification of the posterior longitudinal ligament (OPLL), which is a disease characterized by ectopic bone formation of the posterior longitudinal ligament (PLL) and can lead to radiculopathy and myelopathy. METHODS: Six human samples of the PLL were analyzed for the expression of leptin and LepR by RT-PCR and western blotting. PLL cells were stimulated with leptin and mechanical stress delivered via a Flexcell tension system, and osteogenic differentiation was evaluated by RT-PCR and western blotting analysis of osteogenic marker expression as well as by alkaline phosphatase (ALP) staining and alizarin red S staining...
June 16, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29909550/methods-for-measuring-risk-for-type-2-diabetes-in-youth-the-oral-glucose-tolerance-test-ogtt
#17
REVIEW
Melinda E Chen, Rebecca S Aguirre, Tamara S Hannon
PURPOSE OF REVIEW: The oral glucose tolerance test (OGTT) is used both in clinical practice and research to assess glucose tolerance. In addition, the OGTT is utilized for surrogate measures of insulin sensitivity and the insulin response to enteral glucose and has been widely applied in the evaluation of β-cell dysfunction in obesity, prediabetes, and type 2 diabetes. Here we review the use of the OGTT and the OGTT-derived indices for measurement of risk markers for type 2 diabetes in youth...
June 16, 2018: Current Diabetes Reports
https://www.readbyqxmd.com/read/29909549/pharmacokinetics-of-ombitasvir-paritaprevir-ritonavir-and-dasabuvir-in-healthy-chinese-subjects-and-hcv-gt1b-infected-chinese-south-korean-and-taiwanese-patients
#18
Jiuhong Zha, Bifeng Ding, Haoyu Wang, Weihan Zhao, Chen Yu, Katia Alves, Niloufar Mobashery, Yan Luo, Rajeev M Menon
BACKGROUND/PURPOSE: The 3 direct-acting antiviral (3D) regimen of ombitasvir/paritaprevir/ritonavir plus dasabuvir has recently been approved in several Asian geographic regions for the treatment of hepatitis C virus (HCV) genotype (GT) 1 infection. The pharmacokinetics of the components of the 3D regimen with or without ribavirin were evaluated in healthy Chinese subjects and HCV GT1b-infected Chinese, South Korean, and Taiwanese patients, with or without cirrhosis, to determine how the drug exposures in Asian populations compare with historical data in Western populations...
June 16, 2018: European Journal of Drug Metabolism and Pharmacokinetics
https://www.readbyqxmd.com/read/29909545/coalitional-physical-competition-acute-salivary-steroid-hormone-responses-among-juvenile-male-soccer-players-in-hong-kong
#19
Timothy S McHale, Wai-Chi Chee, Ka-Chun Chan, David T Zava, Peter B Gray
A large body of research links testosterone and cortisol to male-male competition. Yet, little work has explored acute steroid hormone responses to coalitional, physical competition during middle childhood. Here, we investigate testosterone, dehydroepiandrosterone (DHEA), androstenedione, and cortisol release among ethnically Chinese boys in Hong Kong (N = 102), aged 8-11 years, during a soccer match (n = 84) and an intrasquad soccer scrimmage (n = 81), with 63 participants competing in both treatments. The soccer match and intrasquad soccer scrimmage represented out-group and in-group treatments, respectively...
June 16, 2018: Human Nature: An Interdisciplinary Biosocial Perspective
https://www.readbyqxmd.com/read/29909537/existing-agricultural-ecosystem-in-china-leads-to-environmental-pollution-an-econometric-approach
#20
Lei Hongdou, Li Shiping, Li Hao
Sustainable agriculture ensures food security and prevents starvation. However, the need to meet the increasing food demands of the growing population has led to poor and unsustainable agricultural practices, which promote environmental degradation. Given the contributions of agricultural ecosystems to environmental pollution, we investigated the impact of the agricultural ecosystem on environmental pollution in China using time series data from 1960 to 2014. We employed several methods for econometric analysis including the unit root test, Johansen test of cointegration, Granger causality test, and vector error correction model...
June 17, 2018: Environmental Science and Pollution Research International
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