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https://www.readbyqxmd.com/read/28822772/differentiation-of-candida-albicans-candida-glabrata-and-candida-krusei-by-ft-ir-and-chemometrics-by-chromagar%C3%A2-candida
#1
Denise Wohlmeister, Débora Renz Barreto Vianna, Virginia Etges Helfer, Luciane Noal Calil, Andréia Buffon, Alexandre Meneghello Fuentefria, Valeriano Antonio Corbellini, Diogo André Pilger
Pathogenic Candida species are detected in clinical infections. CHROMagar™ is a phenotypical method used to identify Candida species, although it has limitations, which indicates the need for more sensitive and specific techniques. Infrared Spectroscopy (FT-IR) is an analytical vibrational technique used to identify patterns of metabolic fingerprint of biological matrixes, particularly whole microbial cell systems as Candida sp. in association of classificatory chemometrics algorithms. On the other hand, Soft Independent Modeling by Class Analogy (SIMCA) is one of the typical algorithms still little employed in microbiological classification...
August 16, 2017: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/28822683/hsp90-sensitivity-to-adp-reveals-hidden-regulation-mechanisms
#2
Jackson C Halpin, Timothy O Street
The ATPase cycle of the Hsp90 molecular chaperone is essential for maintaining the stability of numerous client proteins. Extensive analysis has focused on ATP-driven conformational changes of Hsp90, however, little is known about how Hsp90 operates under physiological nucleotide conditions in which both ATP and ADP are present. By quantifying Hsp90 activity under mixed nucleotide conditions we find dramatic differences in ADP-sensitivity among Hsp90 homologs. ADP acts as a strong ATPase inhibitor of cytosol-specific Hsp90 homologs, whereas organellular Hsp90 homologs (Grp94 and TRAP1) are relatively insensitive to the presence of ADP...
August 16, 2017: Journal of Molecular Biology
https://www.readbyqxmd.com/read/28822286/effect-of-torrefaction-conditions-on-greenhouse-crop-residue-optimization-of-conditions-to-upgrade-solid-characteristics
#3
Irene Iáñez-Rodríguez, María Ángeles Martín-Lara, Gabriel Blázquez, Antonio Pérez, Mónica Calero
This work investigated the possibility of using a greenhouse crop waste as a fuel, since it is an abundant residue in the Mediterranean area of Spain. The residue is mainly composed by biomass with a little quantity of plastic. The physical and chemical characteristics of the biomass were determined by elemental analysis, proximate analysis, FT-IR, FE-SEM and thermogravimetry. Additionally, a torrefaction process was carried out as a pre-treatment to improve the energy properties of the biomass material. The optimal conditions (time and temperature) of torrefaction were found to be 263°C and 15min using the gain and loss method...
August 10, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28822240/statin-use-and-venous-thromboembolism-in-cancer-a-large-active-comparator-propensity-score-matched-cohort-study
#4
Sherif M El-Refai, Esther P Black, Val R Adams, Jeffery C Talbert, Joshua D Brown
BACKGROUND: Statins have been shown to have a protective effect for venous thromboembolism (VTE) in the general population. This study sought to assess the association between statins and the risk for cancer-associated deep vein thrombosis (DVT) and pulmonary embolism (PE). METHODS: Patients with newly diagnosed cancer were followed for up to one year in a healthcare claims database (2010-2013). Three treatment groups included statin users, non-statin cholesterol lowering medication users, and an untreated group with pre-existing indications for statin therapy (hyperlipidemia, diabetes, or heart disease)...
August 10, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28822166/-clinical-observation-of-modified-da-chaihu-decoction-in-treating-essential-hypertension-with-anxiety
#5
Xiang-Dong Zhang, Wang-Qiang Cheng, Yong-Gang Wang, Zheng Zhang
To observe the clinical efficacy of modified Da Chaihu decoction in treating essential hypertension with anxiety, the randomized, controlled, clinical trial was performed in this study. One hundred and twenty-six hypertensive patients with anxiety meeting the inclusive criteria were randomized into the treatment group and the control group. All of the included patients in the above 2 groups were treated by amlodipine besylate tablets. Patients in the treatment group were given Chinese herbal medicine modified Da Chaihu decoction every day...
June 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28821976/dysbiosis-signature-of-mycobiota-in-colon-polyp-and-colorectal-cancer
#6
R Gao, C Kong, H Li, L Huang, X Qu, N Qin, H Qin
Microbiota refers to a colony of microorganisms, and they are found in all multicellular organisms. This colony plays a major role in both the physiology and disease of the organism it inhabits. Much attention has been paid to host-microbiota interactions, but there has been little investigation on its role in carcinogenesis. In this study, we characterized a fecal mycobiota, also known as fungal signature, for the first time with 131 subjects, comprising polyp and colorectal cancer (CRC) patients, as well as a healthy control population...
August 18, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28821856/smoking-obstructive-sleep-apnea-syndrome-and-their-combined-effects-on-metabolic-parameters-evidence-from-a-large-cross-sectional-study
#7
Huaming Zhu, Huajun Xu, Rui Chen, Suru Liu, Yunyan Xia, Yiqun Fu, Xinyi Li, Yingjun Qian, Jianyin Zou, Hongliang Yi, Jian Guan
Metabolic disorders have been separately associated with obstructive sleep apnea syndrome (OSAS) and smoking. However, no study has examined their interactions with metabolic parameters, including insulin resistance and dyslipidemia. To investigate whether the combination of OSAS and smoking results in an additive detriment in metabolic disorder parameters, we enrolled consecutive adult men during 2014-2015. Fasted blood samples were taken to determine glucose, insulin, and lipid levels. A questionnaire including an item on smoking pack-year exposure was administered, and the Epworth Sleepiness Scale and overnight polysomnography were performed...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821255/the-whole-genomic-analysis-of-orf-virus-strain-hn3-12-isolated-from-henan-province-central-china
#8
Huiqin Chen, Wei Li, Zhenzhan Kuang, Daxiang Chen, Xiaoqing Liao, Ming Li, Shuhong Luo, Wenbo Hao
BACKGROUND: The Orf virus (ORFV) is the causative agent of orf, a globally-occurring, acute, pustular, contagious disease affecting sheep, goats and humans with a worldwide distribution. Currently, the genomic analysis of four ORFV strains from the Fujian province in southern China and a NA1/11 strain isolated from the Jilin province in northeast China have been reported. However, little is known about the genomic information of ORFV strains from central China. RESULTS: From a recent outbreak in a sheep herd in the Henan province of central China, a novel ORFV strain (HN3/12) was isolated and cultured in ovine fetal turbinate (OFTu) cells...
August 18, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28821164/cape-gooseberry-physalis-peruviana-juice-as-a-modulator-agent-for-hepatocellular-carcinoma-linked-apoptosis-and-cell-cycle-arrest
#9
Hanaa A Hassan, Hanaa M Serag, Makwan S Qadir, Mohamed Fawzy Ramadan
BACKGROUND: Cape gooseberry (Physalis peruviana) fruit is highly nutritious with high content of health-promoting compounds including minerals, phenolic compounds, as well as vitamins A and C. Physalis peruviana fruits were used as mutagenic, antispasmodic, anticoagulant, and antileucemis agents. OBJECTIVE: The objective of the present work was to study the role of cape gooseberry juice (CG) as a natural modulator agent for adverse aspects associated with hepatocellular carcinoma (HCC)...
August 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28820675/on-the-role-of-situational-stressors-in-the-disruption-of-global-neural-network-stability-during-problem-solving
#10
Mengting Liu, Chad E Forbes, Rachel C Amey
When individuals are placed in stressful situations, they are likely to exhibit deficits in cognitive capacity over and above situational demands. Despite this, individuals may still persevere and ultimately succeed in these situations. Little is known, however, about neural network properties that instantiate success or failure in both neutral and stressful situations, particularly with respect to regions integral for problem-solving processes that are necessary for optimal performance on more complex tasks...
August 18, 2017: Journal of Cognitive Neuroscience
https://www.readbyqxmd.com/read/28820646/consequences-of-puberty-on-efficacy-of-intraocular-pressure-lowering-drugs-in-male-dutch-belted-rabbits
#11
Cassandra L Hays, Kingsley C Okafor, Shan Fan, Robin High, Dhirendra P Singh, Carol B Toris
PURPOSE: To investigate the changes in intraocular pressure (IOP), aqueous flow, and outflow facility, as well as efficacy of IOP-lowering drugs before and after sexual development in rabbits. METHODS: Male Dutch-belted rabbits were studied at night between the ages of 8 and 44 weeks. During these times, body weight, testicular volume, and serum testosterone were measured to monitor sexual maturity. Ocular measurements included anterior chamber depth, central corneal thickness, IOP, aqueous flow, and outflow facility...
August 18, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28820312/architecture-of-the-atg2b-wdr45-complex-and-an-aromatic-y-hf-motif-crucial-for-complex-formation
#12
Jing-Xiang Zheng, Yan Li, Yue-He Ding, Jun-Jie Liu, Mei-Jun Zhang, Meng-Qiu Dong, Hong-Wei Wang, Li Yu
PtdIns3P signaling is critical for dynamic membrane remodeling during autophagosome formation. Proteins in the Atg18/WIPI family are PtdIns3P-binding effectors which can form complexes with proteins in the Atg2 family, and both families are essential for macroautophagy/autophagy. However, little is known about the biophysical properties and biological functions of the Atg2-Atg18/WIPI complex as a whole. Here, we demonstrate that an ortholog of yeast Atg18, mammalian WDR45/WIPI4 has a stronger binding capacity for mammalian ATG2A or ATG2B than the other 3 WIPIs...
August 18, 2017: Autophagy
https://www.readbyqxmd.com/read/28819722/carbon-and-amide-detect-backbone-assignment-methods-of-a-novel-repeat-protein-from-the-staphylocoagulase-in-s-aureus
#13
Markus Voehler, Maddur Appajaiah Ashoka, Jens Meiler, Paul E Bock
The C-terminal repeat domain of staphylocoagulase that is secreted by the S. aureus is believed to play an important role interacting with fibrinogen and promotes blood clotting. To study this interaction by NMR, full assignment of each amide residue in the HSQC spectrum was required. Despite of the short sequence of the repeat construct, the HSQC spectrum contained a substantial amount of overlapped and exchange broadened resonances, indicating little secondary or tertiary structure. This caused severe problems while using the conventional, amide based NMR method for the backbone assignment...
August 17, 2017: Biomolecular NMR Assignments
https://www.readbyqxmd.com/read/28819672/folding-sticky-elastica-dynamics-and-reversibility-of-folds-in-langmuir-monolayers
#14
L C Foucard, J M Eaton, M Dennin, Alex J Levine
Lipid monolayers at the air/water interface are often subject to large mechanical stresses when compressed laterally. For large enough compression they fold in the out-of-plane direction to relax stress. The repetitive folding and unfolding of lung surfactant monolayers during breathing plays a critical role in conserving monolayer material at the air/water interface lining the lung. Although the mechanisms behind the folding have been explored recently, relatively little information exists regarding the implications of folding dynamics on the long-term stability of the monolayer...
August 18, 2017: Soft Matter
https://www.readbyqxmd.com/read/28819565/genomic-and-immune-heterogeneity-are-associated-with-differential-responses-to-therapy-in-melanoma
#15
Alexandre Reuben, Christine N Spencer, Peter A Prieto, Vancheswaran Gopalakrishnan, Sangeetha M Reddy, John P Miller, Xizeng Mao, Mariana Petaccia De Macedo, Jiong Chen, Xingzhi Song, Hong Jiang, Pei-Ling Chen, Hannah C Beird, Haven R Garber, Whijae Roh, Khalida Wani, Eveline Chen, Cara Haymaker, Marie-Andrée Forget, Latasha D Little, Curtis Gumbs, Rebecca L Thornton, Courtney W Hudgens, Wei-Shen Chen, Jacob Austin-Breneman, Robert Szczepaniak Sloane, Luigi Nezi, Alexandria P Cogdill, Chantale Bernatchez, Jason Roszik, Patrick Hwu, Scott E Woodman, Lynda Chin, Hussein Tawbi, Michael A Davies, Jeffrey E Gershenwald, Rodabe N Amaria, Isabella C Glitza, Adi Diab, Sapna P Patel, Jianhua Hu, Jeffrey E Lee, Elizabeth A Grimm, Michael T Tetzlaff, Alexander J Lazar, Ignacio I Wistuba, Karen Clise-Dwyer, Brett W Carter, Jianhua Zhang, P Andrew Futreal, Padmanee Sharma, James P Allison, Zachary A Cooper, Jennifer A Wargo
Appreciation for genomic and immune heterogeneity in cancer has grown though the relationship of these factors to treatment response has not been thoroughly elucidated. To better understand this, we studied a large cohort of melanoma patients treated with targeted therapy or immune checkpoint blockade (n = 60). Heterogeneity in therapeutic responses via radiologic assessment was observed in the majority of patients. Synchronous melanoma metastases were analyzed via deep genomic and immune profiling, and revealed substantial genomic and immune heterogeneity in all patients studied, with considerable diversity in T cell frequency, and few shared T cell clones (<8% on average) across the cohort...
2017: NPJ Genomic Medicine
https://www.readbyqxmd.com/read/28819171/thyroid-function-and-ischemic-heart-disease-a-mendelian-randomization-study
#16
Jie V Zhao, C Mary Schooling
To clarify the role of thyroid function in ischemic heart disease (IHD) we assessed IHD risk and risk factors according to genetically predicted thyroid stimulating hormone (TSH), free thyroxine (FT4) and thyroid peroxidase antibody (TPOAb) positivity. Separate-sample instrumental variable analysis with genetic instruments (Mendelian randomization) was used in an extensively genotyped case (n = 64,374)-control (n = 130,681) study, CARDIoGRAMplusC4D. Associations with lipids, diabetes and adiposity were assessed using the Global Lipids Genetics Consortium Results (n = 196,475), the DIAbetes Genetics Replication And Meta-analysis case (n = 34,380)-control (n = 114,981) study, and the Genetic Investigation of ANthropometric Traits (body mass index in 152,893 men and 171,977 women, waist-hip ratio in 93,480 men and 116,741 women)...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28819046/tuberculous-tales-an-east-london-experience
#17
REVIEW
Apeksha M Shah, Dominika Raciborska, Matthew Stevens, Sharmilee Gnanapavan, Veronica L C White, Benjamin Turner
Tuberculous meningitis presents a diagnostic and therapeutic challenge, and considering its long history and increasing global incidence, the evidence base for its treatment is relatively scanty. Many UK neurologists will have little first-hand experience of this deadly condition, and if faced with a patient with possible tuberculous meningitis will find decision making less than straightforward. In parts of East London (UK) the rates of tuberculosis and tuberculous meningitis are among the highest in Western Europe, and so the neurologists and respiratory physicians at the Royal London Hospital have encountered many such patients over the years...
August 17, 2017: Practical Neurology
https://www.readbyqxmd.com/read/28818867/exploring-potential-germline-associated-roles-of-the-trim-nhl-protein-nhl-2%C3%A2-through-rnai-screening
#18
Gregory M Davis, Wai Y Low, Joshua W T Anderson, Peter R Boag
TRIM-NHL proteins are highly conserved regulators of developmental pathways in vertebrates and invertebrates. The TRIM-NHL family member, NHL-2 in Caenorhabditis elegans functions as a miRNA cofactor to regulate developmental timing. Similar regulatory roles have been reported in other model systems, with the mammalian orthologue in mice, TRIM32, contributing to muscle and neuronal cell proliferation via miRNA activity. Given the interest associated with TRIM-NHL family proteins, we aimed to further investigate the role of NHL-2 in C...
August 17, 2017: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/28818374/cell-wall-modifications-of-two-arabidopsis-thaliana-ecotypes-col-and-sha-in-response-to-sub-optimal-growth-conditions-an-integrative-study
#19
Harold Duruflé, Vincent Hervé, Philippe Ranocha, Thierry Balliau, Michel Zivy, Josiane Chourré, Hélène San Clemente, Vincent Burlat, Cécile Albenne, Sébastien Déjean, Elisabeth Jamet, Christophe Dunand
With the global temperature change, plant adaptations are predicted, but little is known about the molecular mechanisms underlying them. Arabidopsis thaliana is a model plant adapted to various environmental conditions, in particular able to develop along an altitudinal gradient. Two ecotypes, Columbia (Col) growing at low altitude, and Shahdara (Sha) growing at 3400m, have been studied at optimal and sub-optimal growth temperature (22°C vs 15°C). Macro- and micro-phenotyping, cell wall monosaccharides analyses, cell wall proteomics, and transcriptomics have been performed in order to accomplish an integrative analysis...
October 2017: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/28818324/the-treatment-of-segmental-tibial-fractures-does-patient-preference-differ-from-surgeon-choice
#20
Z Little, T O Smith, S E McMahon, C Cooper, A Trompeter, M Pearse, S Britten, B Rogers, H Sharma, B Narayan, M Costa, D J Beard, C B Hing
INTRODUCTION: Segmental tibial fractures are complex injuries with a prolonged recovery time. Current definitive treatment options include intramedullary fixation or a circular external fixator. However, there is uncertainty as to which surgical option is preferable and there are no sufficiently rigorous multi-centre trials that have answered this question. The objective of this study was to determine whether patient and surgeon opinion was permissive for a randomised controlled trial (RCT) comparing intramedullary nailing to the application of a circular external fixator...
August 9, 2017: Injury
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