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https://www.readbyqxmd.com/read/29148421/a-validation-study-of-the-simple-psoriatic-arthritis-screening-sipas-questionnaire-to-screen-psoriasis-patients-for-psoriatic-arthritis
#1
Fausto Salaffi, Marco Di Carlo, Michele Maria Luchetti, Eleonora Di Donato, Anna Campanati, Devis Benfaremo, Massimiliano Nicolini, Marina Carotti, Alfredo Giacchetti, Giulia Ganzetti, Leonardo Bugatti, Armando Gabrielli, Anna Maria Offidani
OBJECTIVES: To validate in a multicentric cohort of patients a self-administered PsA screening tool, called Simple Psoriatic Arthritis Screening (SiPAS) questionnaire, to screen psoriasis patients for signs and symptoms of PsA. METHODS: The SiPAS questionnaire was validated in a multicentric Italian cohort of psoriasis patients referred to two rheumatological centres. RESULTS: A total of 202 psoriasis patients were screened with SiPAS in the validation study...
November 16, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/29145694/engineered-and-natural-promoters-and-chromatin-modifying-elements-for-recombinant-protein-expression-in-cho-cells
#2
REVIEW
Nadiya Romanova, Thomas Noll
Promoters play a pivotal role in integrating and processing the signals related to transcription initiation. Strong natural viral promoters, such as hCMV or SV40E, have been routinely employed to achieve a high rate of gene expression in ubiquitously used Chinese hamster ovary (CHO) cells. However, viral promoters are susceptible to epigenetic silencing and lack precise regulation levers. This has paved the way to more sensible control elements: endogenous, inducible and synthetic promoters. In this review we summarise and discuss the use of natural viral, mammalian and endogenous promoters, as well as recent advances in synthetic promoters and inducible systems for protein expression in CHO cells...
November 16, 2017: Biotechnology Journal
https://www.readbyqxmd.com/read/29145318/an-unusual-cause-of-fever-of-unknown-origin-with-enlarged-lymph-nodes-relapsing-polychondritis-a-case-report
#3
Wei Liu, Hongli Jiang, Han Jing, Bing Mao
INTRODUCTION: Fever of unknown origin (FUO) is a common initial presentation leading to a diagnostic challenge. PATIENT CONCERNS: A 3-month history of moderate-to-high fever was reported in an otherwise healthy 54-year-old man. Enhanced computed tomography (CT) scans of his chest showed a remarkable progressive enlargement of bilateral cervical, supraclavicular, hilar, and mediastinal lymph nodes within 2 weeks. Bronchofibroscopy manifested obvious luminal stenosis with swelling, thick pale mucosa, and disappearing of structures of trachea cricoid cartilage, followed by a 18F-fluorodeoxyglucose positron-emission tomography-computed tomography (18F-FDG PET/CT) with intense symmetric FDG uptake in larynx, tracheobronchial tree, and hilar, mediastinal, and axillary lymph nodes being demonstrated...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29144197/evaluation-of-umelisa-%C3%A2-t4-neonatal-and-umelisa-%C3%A2-t4-using-polystyrene-plates-coated-with-anti-thyroxine-t4-monoclonal-antibodies
#4
Elisa M Castells, Ernesto C González, Pedro L Pérez, Lesley Del Río, Yileidis Tejeda, Yenitse Perea, Odalys Martín, Maryeris Espinosa, Jose A Rivero, Amarilys Frómeta
Congenital hypothyroidism is one of the most common preventable causes of mental retardation. The Center of Immunoassay has developed the UMELISA(®) T4 NEONATAL and UMELISA(®) T4 to determine neonatal T4 levels in dried blood and serum samples. Both reagent kits use the same polystyrene plates coated with anti- thyroxine (T4) polyclonal antibodies as solid phase. This work shows the re-standardization of the UMELISA(®) T4 NEONATAL and UMELISA(®) T4 using plates coated with anti-T4 monoclonal antibodies (T4Mabs)...
November 16, 2017: Journal of Immunoassay & Immunochemistry
https://www.readbyqxmd.com/read/29140378/perception-by-osseointegrated-dental-implants-supporting-a-fixed-prosthesis-a-prospective-study
#5
Purva V Bakshi, Srinath Thakur, Sudhindra Kulkarni
PURPOSE: Osseointegrated implants have been shown to transmit a certain sensibility termed as osseoperception. The purpose of this study was to determine the perception by implants over a period of 6 months after loading in comparison to the natural dentition. MATERIALS AND METHODS: Twenty subjects (ages 40 to 50 years) were included in this split-mouth clinical trial. The subjects were divided into two groups (n = 10) as follows: group 1-subjects with recently cemented implant-supported fixed prosthesis opposing natural teeth; group 2-subjects with recently cemented implant-supported fixed prosthesis in both arches...
November 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29140304/ultra-fast-microwave-synthesis-of-zno-nanorods-on-cellulose-substrates-for-uv-sensor-applications
#6
Ana Pimentel, Ana Samouco, Daniela Nunes, Andreia Araújo, Rodrigo Martins, Elvira Fortunato
In the present work, tracing and Whatman papers were used as substrates to grow zinc oxide (ZnO) nanostructures. Cellulose-based substrates are cost-efficient, highly sensitive and environmentally friendly. ZnO nanostructures with hexagonal structure were synthesized by hydrothermal under microwave irradiation using an ultrafast approach, that is, a fixed synthesis time of 10 min. The effect of synthesis temperature on ZnO nanostructures was investigated from 70 to 130 °C. An Ultra Violet (UV)/Ozone treatment directly to the ZnO seed layer prior to microwave assisted synthesis revealed expressive differences regarding formation of the ZnO nanostructures...
November 15, 2017: Materials
https://www.readbyqxmd.com/read/29137991/spectrally-decomposed-dark-to-light-transitions-in-a-psi-deficient-mutant-of-synechocystis-sp-pcc-6803
#7
Alonso M Acuña, Pascal van Alphen, Filipe Branco Dos Santos, Rienk van Grondelle, Klaas J Hellingwerf, Ivo H M van Stokkum
Cyanobacterial thylakoid membranes are known to host photosynthetic and respiratory complexes. This hampers a straight forward interpretation of the highly dynamic fluorescence originating from photosynthetic units. The present study focuses on dark-to-light transitions in whole cells of a PSI-deficient mutant of the cyanobacterium Synechocystis sp. PCC 6803. The time-dependent cellular fluorescence spectrum has been measured, while having previously exposed the cells to different conditions that affect respiratory activity...
November 11, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29137946/distinct-environmental-enrichment-protocols-reduce-anxiety-but-differentially-modulate-pain-sensitivity-in-rats
#8
Louise Faggionato Kimura, Vânia Gomes de Moura Mattaraia, Gisele Picolo
Environmental enrichment (EE) can alter anxiety as well as perception of nociceptive stimuli, suggesting a relationship between well-being and analgesia. Considering that, we aimed to evaluate the influence of different EE types on anxiety and peripheral pain sensibility of male Wistar rats. Animals were submitted to two different types of EE: On the first one, animals were housed in standard size cages after weaning and received three different objects, one type per week, on a regular basis (simple EE - sEE)...
November 11, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/29137782/compensating-effect-of-ultrasonic-waves-on-retarding-action-of-nanoparticles-in-drops-liquid-liquid-extraction
#9
Javad Saien, Sana Daneshamoz
The influence of ultrasonic waves on liquid-liquid extraction of circulating drops and in the presence of magnetite nanoparticles was investigated. Experiments were conducted in a column equipped with an ultrasound transducer. The frequency and intensity of received waves, measured by the hydrophone standard method, were 35.40 kHz and 0.37 mW/cm(2), respectively. The recommended chemical system of cumene-isobutyric acid-water was used in which mass transfer resistance lies in the aqueous phase. Nanoparticles, within concentration range of (0...
March 2018: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/29137394/measuring-plasma-levels-of-three-micrornas-can-improve-the-accuracy-for-identification-of-malignant-breast-lesions-in-women-with-bi-rads-4-mammography
#10
Julia Alejandra Pezuk, Thiago Luiz Araujo Miller, José Luiz Barbosa Bevilacqua, Alfredo Carlos Simões Dornellas de Barros, Felipe Eduardo Martins de Andrade, Luiza Freire de Andrade E Macedo, Vera Aguilar, Amanda Natasha Menardo Claro, Anamaria Aranha Camargo, Pedro Alexandre Favoretto Galante, Luiz F L Reis
A BI-RADS category of 4 from a mammogram indicates suspicious breast lesions, which require core biopsies for diagnosis and have an approximately one third chance of being malignant. Human plasma contains many circulating microRNAs, and variations in their circulating levels have been associated with pathologies, including cancer. Here, we present a novel methodology to identify malignant breast lesions in women with BI-RADS 4 mammography. First, we used the miRNome array and qRT-PCR to define circulating microRNAs that were differentially represented in blood samples from women with breast tumor (BI-RADS 5 or 6) in comparison to controls (BI-RADS 1 or 2)...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29136315/deficient-pain-modulation-in-patients-with-a-chronic-hemiplegic-shoulder-pain
#11
Yafit Kashi, Motti Ratmansky, Ruth Defrin
BACKGROUND: Hemiplegic Shoulder Pain (HSP) following stroke significantly affects the individual's function and quality of life. The mechanism of HSP is not clearly understood, hence it is unclear why HSP resolves spontaneously or following routine care in some patients, while in others it becomes persistent. The aim was therefore, to study whether HSP is associated with deficient pain modulation. METHODS: Thirty post-stroke patients; 16 with HSP and 14 without HSP, and 20 matched controls participated...
November 14, 2017: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/29132349/measurement-properties-of-comorbidity-indices-in-maternal-health-research-a-systematic-review
#12
Kazuyoshi Aoyama, Rohan D'Souza, Eiichi Inada, Stephen E Lapinsky, Robert A Fowler
BACKGROUND: Maternal critical illness occurs in 1.2 to 4.7 of every 1000 live births in the United States and approximately 1 in 100 women who become critically ill will die. Patient characteristics and comorbid conditions are commonly summarized as an index or score for the purpose of predicting the likelihood of dying; however, most such indices have arisen from non-pregnant patient populations. We sought to systematically review comorbidity indices used in health administrative datasets of pregnant women, in order to critically appraise their measurement properties and recommend optimal tools for clinicians and maternal health researchers...
November 13, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29131931/covariate-adjusted-spearman-s-rank-correlation-with-probability-scale-residuals
#13
Qi Liu, Chun Li, Valentine Wanga, Bryan E Shepherd
It is desirable to adjust Spearman's rank correlation for covariates, yet existing approaches have limitations. For example, the traditionally defined partial Spearman's correlation does not have a sensible population parameter, and the conditional Spearman's correlation defined with copulas cannot be easily generalized to discrete variables. We define population parameters for both partial and conditional Spearman's correlation through concordance-discordance probabilities. The definitions are natural extensions of Spearman's rank correlation in the presence of covariates and are general for any orderable random variables...
November 13, 2017: Biometrics
https://www.readbyqxmd.com/read/29130980/circulating-lncrnas-serve-as-diagnostic-markers-for-hepatocellular-carcinoma
#14
Weidong Yuan, Yong Sun, Ling Liu, Bing Zhou, Shuming Wang, Dianhua Gu
BACKGROUND/AIMS: Circulating (serous or plasmic) long non-coding RNA (lncRNA) as biomarkers for predicting the diagnosis or prognosis of human disease have been well documented. Due to the sensibility or specificity limitation of Alpha Fetoprotein (AFP), a cluster lncRNAs were revealed as fingerprints for hepatocellular carcinoma (HCC). In this study, we enrolled all the reported circulating lncRNAs in HCC as candidate targets and examined in an independent cohort. METHODS: The candidate lncRNAs were determined by qRT-PCR divided into training and validation sets...
November 6, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29128986/longitudinal-neurophysiological-assessment-of-intramuscular-type-a-botulin-toxin-in-healthy-humans
#15
L Lispi, L Leonardi, A Petrucci
The aim of this study is to assess the neurophysiological abnormalities of type A botulin toxin-infiltrated human muscle, and their evolution over time. Seried cMAP measurements, 3 and 20 Hz repetitive nerve stimulation, EMG, SFEMG over 3 months from toxin injection. Our findings consist in lack of decrement with 3 Hz repetitive nerve stimulation and facilitation with 20 Hz repetitive nerve stimulation; progressive increasing of jitter; early appearance of fibrillations; small and short motor unit action potential in the first 3 weeks, followed by increasing of MUAP amplitude and duration, with polyphasic morphology...
November 11, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/29127638/technical-financial-evaluation-of-rainwater-harvesting-systems-in-commercial-buildings-case-ase-studies-from-sonae-sierra-in-portugal-and-brazil
#16
Vitor Sousa, Cristina Matos Silva, Inês C Meireles
Water is an essential and increasingly scarce resource that should be preserved. The evolution of the human population and communities has contributed to the global decrease of potable water availability and the reduction of its consumption is now compulsory. Rainwater harvesting systems (RWHS) are emerging as a viable alternative source for water consumption in non-potable uses. The present study aims to contribute to the promotion of water efficiency, focusing on the application of rainwater harvesting systems in commercial buildings, and comprises four stages: (i) development of a technical evaluation tool to aid the design of RWHS and support their financial evaluation; (ii) validation of the tool using operational data from an existing RWHS installed at Colombo Shopping Center, in Lisbon, Portugal; (iii) assessment of the sensibility of the technical evaluation tool results to the variation of the inputs, namely the precipitation and consumption, through a parametric analysis for the Colombo Shopping Center; and (iv) comparison of the performance and financial feasibility of hypothetical RWHS in two existing commercial buildings...
November 10, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29125486/putative-dementia-cases-fluctuate-as-a-function-of-mini-mental-state-examination-cut-off-points
#17
Ilka M Rosa, Ana G Henriques, Jens Wiltfang, Odete A B da Cruz E Silva
As the population ages, there is a growing need to quickly and accurately identify putative dementia cases. Many cognitive tests are available; among those commonly used are the Cognitive Dementia Rating (CDR) and the Mini-Mental Status Examination (MMSE). The aim of this work was to compare the validity and reliability of these cognitive tests in a primary care based cohort (pcb-Cohort). The MMSE and the CDR were applied to 568 volunteers in the pcb-Cohort. Distinct cut-off points for the MMSE were considered, namely MMSE 27, MMSE 24, and MMSE PT (adapted for the Portuguese population)...
November 8, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29124697/ultraviolet-b-radiation-the-vitamin-d-connection
#18
Michael F Holick
Vitamin D is known as the sunshine vitamin. During exposure to sunlight the skin transforms 7-dehydrocholesterol into vitamin D3. Throughout evolution vitamin D3 has played a pivotal role in the evolution of vertebrates. Vitamin D is not only critically important for bone health but has a multitude of other biologic functions to help reduce chronic illnesses. This Chapter reviews how vitamin D is produced in the skin, factors that affect its production and a prospective on how to obtain vitamin D from sensible sun exposure...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29121652/risk-of-predation-makes-foragers-less-choosy-about-their-food
#19
Alice Charalabidis, François-Xavier Dechaume-Moncharmont, Sandrine Petit, David A Bohan
Animals foraging in the wild have to balance speed of decision making and accuracy of assessment of a food item's quality. If resource quality is important for maximizing fitness, then the duration of decision making may be in conflict with other crucial and time consuming tasks, such as anti-predator behaviours or competition monitoring. Individuals facing the risk of predation and/or competition should adjust the duration of decision making and, as a consequence, their level of choosiness for resources. When exposed to predation, the forager could either maintain its level of choosiness for food items but accept a reduction in the amount of food items consumed or it could reduce its level of choosiness and accept all prey items encountered...
2017: PloS One
https://www.readbyqxmd.com/read/29121509/modifications-in-lower-leg-muscle-activation-when-walking-barefoot-or-in-minimalist-shoes-across-different-age-groups
#20
Simon Franklin, François-Xavier Li, Michael J Grey
Ageing is associated with a decline in muscle strength and impaired sensory mechanisms which contribute to an increased risk of falls. Walking barefooted has been suggested to promote increased muscle strength and improved proprioceptive sensibility through better activation of foot and ankle musculature. Minimalist footwear has been marketed as a method of reaping the suggested benefits of barefoot walking whilst still providing a protective surface. The aim of this study was to investigate if walking barefoot or in minimalist footwear provokes increased muscle activation compared to walking in conventional footwear...
October 28, 2017: Gait & Posture
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