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https://www.readbyqxmd.com/read/28551855/characterization-of-a-novel-theme-c-glycoside-hydrolase-family-9-cellulase-and-its-cbm-chimeric-enzymes
#1
Cheng-Jie Duan, Ming-Yue Huang, Hao Pang, Jing Zhao, Chao-Xing Wu, Jia-Xun Feng
In bacterial cellulase systems, glycoside hydrolase family 9 (GH9) cellulases are generally regarded as the major cellulose-degrading factors besides GH48 exoglucanase. In this study, umcel9A, which was cloned from uncultured microorganisms from compost, with the encoded protein being theme C GH9 cellulase, was heterologously expressed in Escherichia coli, and the biochemical properties of the purified enzyme were characterized. Hydrolysis of carboxylmethylcellulose (CMC) by Umcel9A led to the decreased viscosity of CMC solution and production of reducing sugars...
May 27, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28551775/lbec0101-a-proposed-etanercept-biosimilar-pharmacokinetics-immunogenicity-and-tolerability-profiles-compared-with-a-reference-biologic-product-in-healthy-male-subjects
#2
Heechan Lee, Hyewon Chung, SeungHwan Lee, Howard Lee, Sung Mo Yang, Seo Hyun Yoon, Joo-Youn Cho, In-Jin Jang, Kyung-Sang Yu
OBJECTIVES: We performed this study to compare the pharmacokinetic (PK), immunogenicity, and tolerability profiles of etanercept between LBEC0101, a proposed biosimilar, and Enbrel(®), the reference biological product. METHODS: A randomized, double-blind, single-dose, two-treatment, two-period, two-sequence, crossover study was conducted in 48 healthy males. In each period, a single dose of LBEC0101 or Enbrel(®) was subcutaneously injected at 25 mg and serial blood samples for PK evaluation were collected up to 648 h post-dose...
May 27, 2017: BioDrugs: Clinical Immunotherapeutics, Biopharmaceuticals and Gene Therapy
https://www.readbyqxmd.com/read/28551764/autofluorescence-spectroscopy-for-nerve-sparing-laser-surgery-of-the-head-and-neck-the-influence-of-laser-tissue-interaction
#3
Florian Stelzle, Maximilian Rohde, Max Riemann, Nicolai Oetter, Werner Adler, Katja Tangermann-Gerk, Michael Schmidt, Christian Knipfer
The use of remote optical feedback systems represents a promising approach for minimally invasive, nerve-sparing laser surgery. Autofluorescence properties can be exploited for a fast, robust identification of nervous tissue. With regard to the crucial step towards clinical application, the impact of laser ablation on optical properties in the vicinity of structures of the head and neck has not been investigated up to now. We acquired 24,298 autofluorescence spectra from 135 tissue samples (nine ex vivo tissue types from 15 bisected pig heads) both before and after ER:YAG laser ablation...
May 27, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28551606/grey-turner-s-sign-following-iatrogenic-duodenal-perforation
#4
Mark McKelvie, Michael Bath, James Max Wilde
No abstract text is available yet for this article.
May 27, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28551355/roles-of-diacylglycerols-and-ceramides-in-hepatic-insulin-resistance
#5
REVIEW
Max C Petersen, Gerald I Shulman
Although ample evidence links hepatic lipid accumulation with hepatic insulin resistance, the mechanistic basis of this association is incompletely understood and controversial. Diacylglycerols (DAGs) and ceramides have emerged as the two best-studied putative mediators of lipid-induced hepatic insulin resistance. Both lipids were first associated with insulin resistance in skeletal muscle and were subsequently hypothesized to mediate insulin resistance in the liver. However, the putative roles for DAGs and ceramides in hepatic insulin resistance have proved more complex than originally imagined, with various genetic and pharmacologic manipulations yielding a vast and occasionally contradictory trove of data to sort...
May 24, 2017: Trends in Pharmacological Sciences
https://www.readbyqxmd.com/read/28551342/r-scan-imaging-for-pediatric-simple-febrile-seizures
#6
Sarah Lee, Paul Fisher, Gerald A Grant, Brenda Porter, Bernard Dannenberg, Max Wintermark
No abstract text is available yet for this article.
May 25, 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28551265/comprehensive-phenolic-composition-analysis-and-evaluation-of-yak-kong-soybean-glycine-max-for-the-prevention-of-atherosclerosis
#7
Charles C Lee, Stéphanie Dudonné, Pascal Dubé, Yves Desjardins, Jong Hun Kim, Ji Seung Kim, Jong-Eun Kim, Jung Han Yoon Park, Ki Won Lee, Chang Yong Lee
Yak-Kong (YK) (Glycine max), a small black soybean cultivar with a green embryo, was evaluated for functional constituents with a focus on atherosclerosis prevention. In comparison to common yellow and black soybean cultivars, YK contains significantly higher concentrations of antioxidants, particularly in its seed coat. A comprehensive phenolic composition analysis revealed that proanthocyanidins were the major phenolic group in YK. In contrast to other proanthocyanidin-rich foods, YK was rich in bioavailable proanthocyanidins (with a degree of polymerization ≤3) specifically with A-type dimers...
November 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28550937/increase-in-computed-tomography-in-australia-driven-mainly-by-practice-change-a-decomposition-analysis
#8
Cameron M Wright, Max K Bulsara, Richard Norman, Rachael E Moorin
BACKGROUND: Publicly funded computed tomography (CT) procedure descriptions in Australia often specify the body site, rather than indication for use. This study aimed to evaluate the relative contribution of demographic versus non-demographic factors in driving the increase in CT services in Australia. METHODS: A decomposition analysis was conducted to assess the proportion of additional CT attributable to changing population structure, CT use on a per capita basis (CPC, a proxy for change in practice) and/or cost of CT...
April 28, 2017: Health Policy
https://www.readbyqxmd.com/read/28550356/orbital-malignant-lesions-in-adults-multiparametric-mr-imaging
#9
Bo Sun, Liyuan Song
PURPOSE: To assess the benefit of combining diffusion-weighted imaging and dynamic contrast-enhanced (DCE) MR imaging in the preoperative evaluation of orbital lymphoma and other malignancies in adults. MATERIALS AND METHODS: This retrospective study was institutional review board-approved and informed consent was waived. Pretreatment MR imaging was performed in 52 patients with malignant orbital lesions. Apparent diffusion coefficient (ADC) and DCE MR parameters were evaluated in 30 patients with orbital lymphoma and 22 patients with other orbital malignancies...
May 26, 2017: Japanese Journal of Radiology
https://www.readbyqxmd.com/read/28549836/heterogeneity-of-tumor-and-immune-cell-pd-l1-expression-and-lymphocyte-counts-in-surgical-nsclc-samples
#10
David Casadevall, Sergi Clavé, Álvaro Taus, Max Hardy-Werbin, Pedro Rocha, Marta Lorenzo, Silvia Menéndez, Marta Salido, Joan Albanell, Lara Pijuan, Edurne Arriola
BACKGROUND: Immune-checkpoint inhibitors against programmed cell death protein 1 (PD-1)/programmed death-ligand 1 (PD-L1) have shown remarkable therapeutic activity in non-small-cell lung cancer (NSCLC). However, biomarker-based patient selection remains a challenge. Our aim was to assess the heterogeneity of various immune markers between different tumor areas of surgically resected NSCLC specimens. MATERIALS AND METHODS: We included 94 adenocarcinoma (ADC) and 50 squamous cell carcinoma (SCC) specimens...
May 4, 2017: Clinical Lung Cancer
https://www.readbyqxmd.com/read/28549782/central-trkb-blockade-attenuates-icv-angiotensin-ii-hypertension-and-sympathetic-nerve-activity-in-male-sprague-dawley-rats
#11
Bryan K Becker, Hanjun Wang, Irving H Zucker
Increased sympathetic nerve activity and the activation of the central renin-angiotensin system are commonly associated with cardiovascular disease states such as hypertension and heart failure, yet the precise mechanisms contributing to the long-term maintenance of this sympatho-excitation are incompletely understood. Due to the established physiological role of neurotrophins contributing toward neuroplasticity and neuronal excitability along with recent evidence linking the renin-angiotensin system and brain-derived neurotrophic factor (BDNF) along with its receptor (TrkB), it is likely the two systems interact to promote sympatho-excitation during cardiovascular disease...
May 19, 2017: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/28549456/association-mapping-of-loci-controlling-genetic-and-environmental-interaction-of-soybean-flowering-time-under-various-photo-thermal-conditions
#12
Tingting Mao, Jinyu Li, Zixiang Wen, Tingting Wu, Cunxiang Wu, Shi Sun, Bingjun Jiang, Wensheng Hou, Wenbin Li, Qijian Song, Dechun Wang, Tianfu Han
BACKGROUND: Soybean (Glycine max (L.) Merr.) is a short day plant. Its flowering and maturity time are controlled by genetic and environmental factors, as well the interaction between the two factors. Previous studies have shown that both genetic and environmental factors, mainly photoperiod and temperature, control flowering time of soybean. Additionally, these studies have reported gene × gene and gene × environment interactions on flowering time. However, the effects of quantitative trait loci (QTL) in response to photoperiod and temperature have not been well evaluated...
May 26, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28549241/establishing-the-brief-assessment-of-cognition-short-form
#13
Max Lam, Mingyuan Wang, Wanping Huang, Goi Khia Eng, Attilio Rapisarda, Michael Kraus, Sim Kang, R S E Keefe, Jimmy Lee
The study aims to identify and validate a parsimonious subset of tests in the commonly used Brief Assessment of Cognition in Schizophrenia (BACS) that allows the evaluation of global cognitive ability. Several permutations of subtests from the BACS were examined to identify the best subset of tests to compose the short form measure. The Brief Assessment of Cognition-Short Form (BAC-SF) was evaluated for convergent validity in healthy and psychiatric samples (N = 3718). Verbal Memory, Digit Sequencing, and Symbol Coding subtests were found to best summarize the variance of composite scores in both Asian and US Norming samples (r = 0...
May 17, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28548992/gut-microbiota-and-host-defense-in-critical-illness
#14
Max C Jacobs, Bastiaan W Haak, Floor Hugenholtz, W Joost Wiersinga
PURPOSE OF REVIEW: The review aims to discuss emerging evidence in the field of microbiome-dependent roles in host defense during critical illness with a focus on lung, kidney, and brain inflammation. RECENT FINDINGS: The gut microbiota of critical ill patients is characterized by lower diversity, lower abundances of key commensal genera, and in some cases overgrowth by one bacterial genera, a state otherwise known as dysbiosis. Increasing evidence suggests that microbiota-derived components can reach the circulatory system from the gut and modulate immune homeostasis...
May 25, 2017: Current Opinion in Critical Care
https://www.readbyqxmd.com/read/28548865/a-national-survey-of-canadian-psychiatrists-attitudes-toward-medical-assistance-in-death
#15
Skye Rousseau, Sarah Turner, Harvey Max Chochinov, Murray W Enns, Jitender Sareen
BACKGROUND: Bill C-14 allows for medical assistance in dying (MAID) for patients who have intolerable physical or psychological suffering that occurs in the context of a reasonably foreseeable death. In Canada, psychiatrist support for MAID on the basis of mental illness and beliefs influencing level of support are unknown. The objectives of this research were to 1) determine if psychiatrists are supportive of MAID under certain conditions and on the basis of mental illness and 2) determine what factors are related to psychiatrist support for MAID on the basis of mental illness...
January 1, 2017: Canadian Journal of Psychiatry. Revue Canadienne de Psychiatrie
https://www.readbyqxmd.com/read/28548102/replicating-viral-vector-platform-exploits-alarmin-signals-for-potent-cd8-t-cell-mediated-tumour-immunotherapy
#16
Sandra M Kallert, Stephanie Darbre, Weldy V Bonilla, Mario Kreutzfeldt, Nicolas Page, Philipp Müller, Matthias Kreuzaler, Min Lu, Stéphanie Favre, Florian Kreppel, Max Löhning, Sanjiv A Luther, Alfred Zippelius, Doron Merkler, Daniel D Pinschewer
Viral infections lead to alarmin release and elicit potent cytotoxic effector T lymphocyte (CTL(eff)) responses. Conversely, the induction of protective tumour-specific CTL(eff) and their recruitment into the tumour remain challenging tasks. Here we show that lymphocytic choriomeningitis virus (LCMV) can be engineered to serve as a replication competent, stably-attenuated immunotherapy vector (artLCMV). artLCMV delivers tumour-associated antigens to dendritic cells for efficient CTL priming. Unlike replication-deficient vectors, artLCMV targets also lymphoid tissue stroma cells expressing the alarmin interleukin-33...
May 26, 2017: Nature Communications
https://www.readbyqxmd.com/read/28547918/exercise-with-weight-loss-improves-adipose-tissue-and-skeletal-muscle-markers-of-fatty-acid-metabolism-in-postmenopausal-women
#17
Heidi K Ortmeyer, Andrew P Goldberg, Alice S Ryan
OBJECTIVE: The effects of 6-month weight loss (WL) versus aerobic exercise training (AEX)+WL on fat and skeletal muscle markers of fatty acid metabolism were determined in normal (NGT) and impaired (IGT) glucose tolerant African-American and Caucasian postmenopausal women with overweight/obesity. METHODS: Fat (gluteal and abdominal) lipoprotein lipase (LPL), skeletal muscle LPL, acyl-CoA synthase (ACS), ß-hydroxacyl-CoA dehydrogenase, carnitine palmitoyltransferase (CPT-1), and citrate synthase (CS) activities were measured at baseline (n = 104) and before and after WL (n = 34) and AEX+WL (n = 37)...
May 26, 2017: Obesity
https://www.readbyqxmd.com/read/28546842/opportunities-and-challenges-for-the-sustainable-production-of-structurally-complex-diterpenoids-in-recombinant-microbial-systems
#18
REVIEW
Katarina Kemper, Max Hirte, Markus Reinbold, Monika Fuchs, Thomas Brück
With over 50.000 identified compounds terpenes are the largest and most structurally diverse group of natural products. They are ubiquitous in bacteria, plants, animals and fungi, conducting several biological functions such as cell wall components or defense mechanisms. Industrial applications entail among others pharmaceuticals, food additives, vitamins, fragrances, fuels and fuel additives. Central building blocks of all terpenes are the isoprenoid compounds isopentenyl diphosphate and dimethylallyl diphosphate...
2017: Beilstein Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28546634/high-gain-graphene-transistors-with-a-thin-alox-top-gate-oxide
#19
Erica Guerriero, Paolo Pedrinazzi, Aida Mansouri, Omid Habibpour, Michael Winters, Niklas Rorsman, Ashkan Behnam, Enrique A Carrion, Amaia Pesquera, Alba Centeno, Amaia Zurutuza, Eric Pop, Herbert Zirath, Roman Sordan
The high-frequency performance of transistors is usually assessed by speed and gain figures of merit, such as the maximum oscillation frequency f max, cutoff frequency f T, ratio f max/f T, forward transmission coefficient S 21, and open-circuit voltage gain A v. All these figures of merit must be as large as possible for transistors to be useful in practical electronics applications. Here we demonstrate high-performance graphene field-effect transistors (GFETs) with a thin AlOx gate dielectric which outperform previous state-of-the-art GFETs: we obtained f max/f T > 3, A v > 30 dB, and S 21 = 12...
May 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28546553/symbiont-community-stability-through-severe-coral-bleaching-in-a-thermally-extreme-lagoon
#20
E G Smith, G O Vaughan, R N Ketchum, D McParland, J A Burt
Coral reefs are threatened by climate change as coral-algal symbioses are currently living close to their upper thermal limits. The resilience of the algal partner plays a key role in determining the thermal tolerance of the coral holobiont and therefore, understanding the acclimatory limits of present day coral-algal symbioses is fundamental to forecasting corals' responses to climate change. This study characterised the symbiont community in a highly variable and thermally extreme (Max = 37.5 °C, Min = 16...
May 25, 2017: Scientific Reports
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