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https://www.readbyqxmd.com/read/28088797/automated-interpretation-of-pulmonary-function-tests-in-adults-with-respiratory-complaints
#1
Marko Topalovic, Stefan Laval, Jean-Marie Aerts, Thierry Troosters, Marc Decramer, Wim Janssens
BACKGROUND: The use of pulmonary function tests is primarily based on expert opinion and international guidelines. Current interpretation strategies are using predefined cutoffs for the description of a typical pattern. OBJECTIVES: We aimed to explore the predicted disease outcome based on the American Thoracic Society/European Respiratory Society (ATS/ERS) interpreting strategy. Subsequently, we investigated whether an unbiased machine learning framework integrating lung function with clinical variables may provide alternative decision trees resulting in a more accurate diagnosis...
January 12, 2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28088719/low-temperature-mbbr-nitrification-microbiome-analysis
#2
Bradley Young, Robert Delatolla, Kevin Kennedy, Edith Laflamme, Alain Stintzi
This study aims to investigate post carbon removal moving bed biofilm reactor (MBBR) nitrification through the transition from 20 °C to 1 °C and during through long term operation at 1 °C. Four pilot nitrifying MBBR reactors were operated at various ammonia loading rates to elucidate the temperature effects on ammonia removal rates, cell viability and bacterial communities. The transition from 20 °C to 1 °C and during long term operation at 1 °C were modeled using Arrhenius temperature correction coefficients...
January 5, 2017: Water Research
https://www.readbyqxmd.com/read/28088714/children-s-and-adults-use-of-verbal-information-to-visually-anticipate-others-actions-a-study-on-explicit-and-implicit-social-cognitive-processing
#3
Markus Paulus, Tobias Schuwerk, Beate Sodian, Kerstin Ganglmayer
According to recent theories, social cognition is based on two different types of information-processing; an implicit or action-based one and an explicit or verbal one. The present study examined whether implicit and explicit social-cognitive information processing interact with each other by investigating young children's and adults' use of verbal (i.e., explicit) information to predict others' actions. Employing eye-tracking to measure anticipatory eye-movements as a measure of implicit processing, Experiment 1 presented 1...
January 12, 2017: Cognition
https://www.readbyqxmd.com/read/28088677/the-relationship-between-children-s-sensitivity-to-dominant-and-non-dominant-patterns-of-lexical-stress-and-reading-accuracy
#4
Joanne Arciuli
This study reports on a new task for assessing children's sensitivity to lexical stress for words with different stress patterns and demonstrates that this task is useful in examining predictors of reading accuracy during the elementary years. In English, polysyllabic words beginning with a strong syllable exhibit the most common or dominant pattern of lexical stress (e.g., "coconut"), whereas polysyllabic words beginning with a weak syllable exhibit a less common non-dominant pattern (e.g., "banana"). The new Aliens Talking Underwater task assesses children's ability to match low-pass filtered recordings of words to pictures of objects...
January 12, 2017: Journal of Experimental Child Psychology
https://www.readbyqxmd.com/read/28088629/induction-of-hypothyroidism-during-early-postnatal-stages-triggers-a-decrease-in-cognitive-performance-by-decreasing-hippocampal-synaptic-plasticity
#5
Paulina Salazar, Pedro Cisternas, Juan Francisco Codocedo, Nibaldo C Inestrosa
Thyroid hormones are vital in the control of multiple body functions, including the correct performance of the brain. Multiple diseases are associated with thyroid gland functioning, including hypothyroidism. To date, little is known regarding the effects of the establishment of this condition at a young age on brain function. Here, we evaluated the effect of hypothyroidism in an early postnatal stage in cognitive abilities with focus on the hippocampus. In our model, hypothyroidism was induced in young rats at 21days of age using 0...
January 11, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28088601/mid-term-outcomes-in-patients-with-congenitally-corrected-transposition-of-the-great-arteries-a-single-center-experience
#6
Luis E De León, Carlos M Mery, Raymond A Verm, Daniel Trujillo-Díaz, Ankita Patro, Francisco A Guzmán-Pruneda, Iki Adachi, Jeffrey S Heinle, Lauren C Kane, E Dean McKenzie, Charles D Fraser
INTRO: The optimal management of patients with congenitally-corrected transposition of the great arteries (ccTGA) is unclear. The goal of this study was to compare the outcomes in patients with ccTGA undergoing different management strategies. METHODS: Patients with ccTGA believed suitable for biventricular circulation treated in 1995-2016 were included. The cohort was divided into four groups: systemic right ventricle (RV) (patients without surgical intervention or with a classic repair), anatomic repair, Fontan palliation, and patients only receiving a pulmonary artery band (PAB) or a shunt...
January 11, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28088591/specific-agreement-on-dichotomous-outcomes-in-the-situation-of-more-than-two-raters
#7
Henrica C W de Vet, Rieky E Dikmans, Iris Eekhout
OBJECTIVE: For assessing inter-rater agreement the concepts of observed agreement and specific agreement have been proposed. The situation of two raters and dichotomous outcomes has been described, whereas often times multiple raters are involved. We aim to extend it for more than two raters and examine how to calculate agreement estimates and 95% confidence intervals (CIs). STUDY DESIGN AND SETTING: As an illustration we used a reliability study that includes the scores of 4 plastic surgeons classifying photographs of breasts of 50 women, after breast reconstruction into 'satisfied' or 'not satisfied'...
January 11, 2017: Journal of Clinical Epidemiology
https://www.readbyqxmd.com/read/28088573/heat-shock-proteins-and-cancer-how-can-nanomedicine-be-harnessed
#8
REVIEW
Félix Sauvage, Samir Messaoudi, Elias Fattal, Gillian Barratt, Juliette Vergnaud-Gauduchon
Heat shock protein (hsp90) is an interesting target for cancer therapy because it is involved in the folding and stabilization of numerous proteins, including many that contribute to the development of cancer. It is part of the chaperone machinery that includes other heat shock proteins (hsp70, hsp27, hsp40) and is mainly localized in the cytosol, although many analogues or isoforms can be found in mitochondrion, endoplasmic reticulum and the cell membrane. Many potential inhibitors of hsp90 have been tested for cancer therapy but their usefulness is limited by their poor solubility in water and their ability to reach the target cells and the correct intracellular compartment...
January 11, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28088548/soil-carbon-dioxide-emissions-from-a-rubber-plantation-on-tropical-peat
#9
Nur Wakhid, Takashi Hirano, Yosuke Okimoto, Siti Nurzakiah, Dedi Nursyamsi
Land-use change in tropical peatland potentially results in a large amount of carbon dioxide (CO2) emissions owing to drainage, which lowers groundwater level (GWL) and consequently enhances oxidative peat decomposition. However, field information on carbon balance is lacking for rubber plantations, which are expanding into Indonesia's peatlands. To assess soil CO2 emissions from an eight-year-old rubber plantation established on peat after compaction, soil CO2 efflux was measured monthly using a closed chamber system from December 2014 to December 2015, in which a strong El Niño event occurred, and consequently GWL lowered deeply...
January 12, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28088483/physiology-recording-with-magnetic-field-probes-for-fmri-denoising
#10
Simon Gross, Laetitia Vionnet, Lars Kasper, Benjamin E Dietrich, Klaas P Pruessmann
Physiological noise originating in cardiovascular and respiratory processes is a substantial confound in BOLD fMRI. When unaccounted for it reduces the temporal SNR and causes error in inferred brain activity and connectivity. Physiology correction typically relies on auxiliary measurements with peripheral devices such as ECG, pulse oximeters, and breathing belts. These require direct skin contact or at least a tight fit, impairing subject comfort and adding to the setup time. In this work, we explore a touch-free alternative for physiology recording, using magnetic detection with NMR field probes...
January 11, 2017: NeuroImage
https://www.readbyqxmd.com/read/28088422/effects-of-clay-after-an-aflatoxin-challenge-on-aflatoxin-clearance-milk-production-and-metabolism-of-holstein-cows
#11
S A Sulzberger, S Melnichenko, F C Cardoso
Oral supplementation of clay to dairy cattle has been reported to reduce toxicity of aflatoxin (AF) in contaminated feed. The objective of this study was to determine the effects of 3 concentrations of dietary clay supplementation in response to an AF challenge. Ten multiparous rumen-cannulated Holstein cows [body weight (mean ± SD) = 669 ± 20 kg and 146 ± 69 d in milk], were assigned to 1 of 5 treatments in a randomized replicated 5 × 5 Latin square design balanced to measure carryover effects. Periods (21 d) were divided in an adaptation phase (d 1 to 14) and a measurement phase (d 15 to 21)...
January 11, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28088401/pharmacological-rescue-of-adult-hippocampal-neurogenesis-in-a-mouse-model-of-x-linked-intellectual-disability
#12
Manuela Allegra, Cristina Spalletti, Beatrice Vignoli, Stefano Azzimondi, Irene Busti, Pierre Billuart, Marco Canossa, Matteo Caleo
Oligophrenin-1 (OPHN1) is a Rho GTPase activating protein whose mutations cause X-linked intellectual disability (XLID). How loss of function of Ophn1 affects neuronal development is only partly understood. Here we have exploited adult hippocampal neurogenesis to dissect the steps of neuronal differentiation that are affected by Ophn1 deletion. We found that mice lacking Ophn1 display a reduction in the number of newborn neurons in the dentate gyrus. A significant fraction of the Ophn1-deficient newly generated neurons failed to extend an axon towards CA3, and showed an altered density of dendritic protrusions...
January 11, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/28088355/kir-genes-and-hla-class-i-ligands-in-a-caucasian-brazilian-population-with-colorectal-cancer
#13
Pâmela Portela, Joice Merzoni, Juliana D Lindenau, Daniel C Damin, Timothy John Wilson, Rafael Roesler, Gilberto Schwartsmann, Luiz Mariana Fernando Jobim Jobim
Colorectal cancer (CRC) can occur anywhere in the colon or rectum and represents the third most common cancer in the world in both sexes. Natural killer cells (NK) are part of the innate immune system recognizing class I HLA molecules on target cells through their membrane receptors, called killer cell immunoglobulin-like receptors (KIR). The aim of our study was to evaluate the association between the KIR genes and HLA ligands in patients with colorectal cancer and healthy controls. We examined the polymorphism of 16 KIR genes and their HLA ligands in 154 caucasoid CRC patients and 216 controls...
January 11, 2017: Human Immunology
https://www.readbyqxmd.com/read/28088327/cftr-impairment-upregulates-c-src-activity-through-il-1%C3%AE-autocrine-signaling
#14
María Macarena Massip-Copiz, Mariángeles Clauzure, Ángel Gabriel Valdivieso, Tomás Antonio Santa-Coloma
Cystic Fibrosis (CF) is a disease caused by mutations in the cystic fibrosis transmembrane conductance regulator (CFTR) gene. Previously, we found several genes showing a differential expression in CFDE cells (epithelial cells derived from a CF patient). One corresponded to c-Src; its expression and activity was found increased in CFDE cells, acting as a signaling molecule between the CFTR activity and MUC1 overexpression. Here we report that bronchial IB3-1 cells (CF cells) also showed increased c-Src activity compared to 'CFTR-corrected' S9 cells...
January 11, 2017: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28088311/prevalence-of-preoperative-penile-abnormalities-among-voluntary-male-medical-circumcision-patients-in-swaziland
#15
Anthony R Oddo, Elizabeth Ruedrich, Christopher Zust, Lindsey Marugg, Echo VanderWal, Harry VanderWal, Rebekah Sartori, Ronald Markert, Mary C McCarthy
BACKGROUND: Circumcision has been found to be an effective strategy for lowering the transmission of HIV in Africa. The Luke Commission, a mobile hospital outreach program, has used this information to decrease the rate of HIV in Swaziland by performing voluntary male medical circumcisions throughout the country. During many of these circumcisions, genital medical conditions and penile abnormalities are simultaneously discovered and corrected. PURPOSE: The goal of our study was to evaluate the prevalence of penile abnormalities discovered and treated during voluntary male medical circumcisions performed by The Luke Commission (TLC) throughout rural Swaziland...
January 3, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28088283/quantification-of-plasma-sulfatides-by-mass-spectrometry-utility-for-metachromatic-leukodystrophy
#16
Jennifer T Saville, Nicholas J C Smith, Janice M Fletcher, Maria Fuller
Impaired sulfatide catabolism is the primary biochemical insult in patients with the inherited neurodegenerative disease, metachromatic leukodystrophy (MLD), and sulfatide elevation in body fluids is useful in the diagnostic setting. Here we used mass spectrometry to quantify fourteen species of sulfatide, in addition to the deacetylated derivative, lyso-sulfatide, using high pressure liquid chromatography-electrospray ionisation-tandem mass spectrometry in both positive and negative ion mode. A single phase extraction of 0...
February 22, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28088280/comparative-study-of-colloidal-gold-and-quantum-dots-as-labels-for-multiplex-screening-tests-for-multi-mycotoxin-detection
#17
Astrid Foubert, Natalia V Beloglazova, Sarah De Saeger
Quantum dots (QDs) and colloidal gold nanoparticles (CG) were evaluated as labels for multiplex lateral flow immunoassay (LFIA) for determination of mycotoxins deoxynivalenol (DON), zearalenone (ZEN) and T2/HT2-toxin (T2/HT2) in cereal matrices. Both developed assays were based on the same immunoreagents (except for the labels), therefore their analytical characteristics could be objectively compared. For both LFIAs antigens (DON-ovalbumin (OVA), ZEN-OVA and T2-OVA) and rabbit anti-mouse immunoglobulin were immobilized on a nitrocellulose membrane as three test lines and one control line, respectively...
February 22, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28088278/metabolomic-analysis-of-urine-samples-by-uhplc-qtof-ms-impact-of-normalization-strategies
#18
Yoric Gagnebin, David Tonoli, Pierre Lescuyer, Belen Ponte, Sophie de Seigneux, Pierre-Yves Martin, Julie Schappler, Julien Boccard, Serge Rudaz
Among the various biological matrices used in metabolomics, urine is a biofluid of major interest because of its non-invasive collection and its availability in large quantities. However, significant sources of variability in urine metabolomics based on UHPLC-MS are related to the analytical drift and variation of the sample concentration, thus requiring normalization. A sequential normalization strategy was developed to remove these detrimental effects, including: (i) pre-acquisition sample normalization by individual dilution factors to narrow the concentration range and to standardize the analytical conditions, (ii) post-acquisition data normalization by quality control-based robust LOESS signal correction (QC-RLSC) to correct for potential analytical drift, and (iii) post-acquisition data normalization by MS total useful signal (MSTUS) or probabilistic quotient normalization (PQN) to prevent the impact of concentration variability...
February 22, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28088252/quantification-of-whey-protein-content-in-infant-formulas-by-sds-cge
#19
Ping Feng, Christophe Fuerer, Adrienne McMahon
Protein separation by SDS-CGE (Sodium Dodecyl Sulfate - Capillary Gel Electrophoresis) followed by UV absorption at 220nm allows quantification of major proteins in raw milk. In processed dairy samples such as skim milk powder and infant formulas, signals from individual proteins are less resolved, but caseins still migrate as one family between two groups of whey proteins. In the first group, α-Lactalbumin and β-Lactoglobulin migrate as two distinct peaks. Lactosylated adducts show delayed migration times and interfere with peak separation, but both native and modified forms, as well as other low molecular weight whey proteins, still elute before the caseins...
November 18, 2016: Journal of AOAC International
https://www.readbyqxmd.com/read/28088197/production-of-human-pro-relaxin-h2-in-the-yeast-pichia-pastoris
#20
D Cimini, K Della Corte, R Finamore, L Andreozzi, A Stellavato, A V A Pirozzi, F Ferrara, R Formisano, M De Rosa, M Chino, L Lista, A Lombardi, V Pavone, C Schiraldi
BACKGROUND: Initially known as the reproductive hormone, relaxin was shown to possess other therapeutically useful properties that include extracellular matrix remodeling, anti-inflammatory, anti-ischemic and angiogenic effects. All these findings make relaxin a potential drug for diverse medical applications. Its precursor, pro-relaxin, is an 18 kDa protein, that shows activity in in vitro assays. Since extraction of relaxin from animal tissues raises several issues, prokaryotes and eukaryotes were both used as expression systems for recombinant relaxin production...
January 14, 2017: BMC Biotechnology
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