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https://www.readbyqxmd.com/read/28087763/circadian-kinetics-of-cell-cycle-progression-in-adult-neurogenic-niches-of-a-diurnal-vertebrate
#1
Veronica Akle, Alexander J Stankiewicz, Vasili Kharchenko, Lili Yu, Peter V Kharchenko, Irina V Zhdanova
: The circadian system may regulate adult neurogenesis via intracellular molecular clock mechanisms or by modifying the environment of neurogenic niches, with daily variation in growth factors or nutrients depending on the animal's diurnal or nocturnal life-style. In a diurnal vertebrate, zebrafish, we studied circadian distribution of immunohistochemical markers of the cell division cycle (CDC) in five of the sixteen neurogenic niches of adult brain, the dorsal telencephalon, habenula, preoptic area, hypothalamus and cerebellum...
January 13, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28087607/type-2-diabetes-obesity-and-breast-cancer-risk-the-multiethnic-cohort
#2
Gertraud Maskarinec, Simone Jacobs, Song-Yi Park, Christopher A Haiman, Veronica Wendy Setiawan, Lynne R Wilkens, Loic Le Marchand
BACKGROUND: Obesity has been more consistently associated with breast cancer than type 2 diabetes (T2D). This analysis examined the combination of the two factors in the Multiethnic Cohort (MEC). METHODS: Women aged 45-75 years entered the MEC in 1993-1996 by completing a questionnaire. T2D status was self-reported at baseline, two follow-up questionnaires, and confirmed by administrative data. Cancers were identified from tumor registries and deaths through vital records until 2010...
January 13, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28087441/blastocystis-and-irritable-bowel-syndrome-frequency-and-subtypes-from-iranian-patients
#3
Shahram Khademvatan, Rahim Masjedizadeh, Fakher Rahim, Hamidreza Mahbodfar, Roya Salehi, Ehsan Yousefi-Razin, Masoud Foroutan
There are inconsistent findings about the role of Blastocystis infection in irritable bowel syndrome (IBS). The present study was aimed to determine the frequency of Blastocystis and their subtypes (ST) in patients with IBS. A total of 122 patients with IBS and 122 healthy individuals referred to the medical laboratory centers in Ahvaz (southwest of Iran) participated in the study. The frequency of Blastocystis was determined. Blastocystis genomic DNA was extracted from positive feces, and PCR was performed using seven primer pairs targeting the SSU rDNA gene...
January 10, 2017: Parasitology International
https://www.readbyqxmd.com/read/28087422/nano-qsar-in-cell-biology-model-of-cell-viability-as-a-mathematical-function-of-available-eclectic-data
#4
Alla P Toropova, Andrey A Toropov
The prediction of biochemical endpoints is an important task of the modern medicinal chemistry, cell biology, and nanotechnology. Simplified molecular input-line entry system (SMILES) is a tool for representation of the molecular structure. In particular, SMILES can be used to build up the quantitative structure - property / activity relationships (QSPRs/QSARs). The QSPR/QSAR is a tool to predict an endpoint for a new substance, which has not been examined in experiment. Quasi-SMILES are representation of eclectic data related to an endpoint...
January 10, 2017: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/28087266/assessment-of-sex-differences-in-body-composition-among-adolescents-with-anorexia-nervosa
#5
Jason M Nagata, Neville H Golden, Rebecka Peebles, Jin Long, Stuart B Murray, Mary B Leonard, Jennifer L Carlson
PURPOSE: To compare deficits in fat mass (FM) and lean body mass (LM) among male and female adolescents with anorexia nervosa (AN) and to identify other covariates associated with body composition. METHODS: We retrospectively reviewed electronic medical records of all subjects aged 9-20 years with a Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition diagnosis of AN and dual-energy x-ray absorptiometry scans after initial evaluation at Stanford between March 1997 and February 2011...
January 11, 2017: Journal of Adolescent Health: Official Publication of the Society for Adolescent Medicine
https://www.readbyqxmd.com/read/28087135/surgical-site-infection-related-to-use-of-elastomeric-pumps-in-pectus-excavatum-repair-lessons-learned-from-root-cause-analysis
#6
Nadja Apelt, Joshua Schaffzin, Christina Bates, Rebeccah L Brown, Marc Mecoli, Senthilkumar Sadhasivam, Victor Garcia
BACKGROUND: Pectus excavatum repair (PEX) is among the most painful thoracic procedures performed. Continuous peripheral nerve blockade (CPNB) is known to be efficacious in optimizing pain control while limiting narcotic use in adult thoracic procedures. It was introduced in May 2015 as a bridge to oral pain control in children undergoing PEX. Consequently, the surgical site infection (SSI) rate increased from 2.7% to 27.7%. METHODS: SSI surveillance followed national guidelines...
January 6, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28087124/the-acoustic-breathiness-index-abi-a-multivariate-acoustic-model-for-breathiness
#7
Ben Barsties V Latoszek, Youri Maryn, Ellen Gerrits, Marc De Bodt
OBJECTIVE: The evaluation of voice quality is a major component of voice assessment. The aim of the present study was to develop a new multivariate acoustic model for the evaluation of breathiness. METHOD: Concatenated voice samples of continuous speech and the sustained vowel [a:] from 970 subjects with dysphonia and 88 vocally healthy subjects were perceptually judged for breathiness severity. Acoustic analyses were conducted on the same concatenated voice samples after removal of the non-voiced segments of the continuous speech sample...
January 10, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28086965/probabilistic-liver-atlas-construction
#8
Esther Dura, Juan Domingo, Guillermo Ayala, Luis Marti-Bonmati, E Goceri
BACKGROUND: Anatomical atlases are 3D volumes or shapes representing an organ or structure of the human body. They contain either the prototypical shape of the object of interest together with other shapes representing its statistical variations (statistical atlas) or a probability map of belonging to the object (probabilistic atlas). Probabilistic atlases are mostly built with simple estimations only involving the data at each spatial location. RESULTS: A new method for probabilistic atlas construction that uses a generalized linear model is proposed...
January 13, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28086962/inhibitory-effects-of-serum-from-sepsis-patients-on-epithelial-cell-migration-in-vitro-a-case-control-study
#9
Henna Jaurila, Vesa Koivukangas, Marjo Koskela, Fiia Gäddnäs, Sirpa Salo, Johanna Korvala, Maija Risteli, Toni Karhu, Karl-Heinz Herzig, Tuula Salo, Tero I Ala-Kokko
BACKGROUND: Sepsis delays wound re-epithelialization. In this study we explored the effect of human sepsis sera as well as the effects of cytokines, growth factors and exosomes of sepsis sera treated normal fibroblasts (NF) on keratinocyte migration and proliferation in vitro. METHODS: Serum samples were taken on days 1, 4, and 9 from 44 patients diagnosed with severe sepsis, and from 14 matching healthy controls. We evaluated the effects of sepsis serum with or without TNF-α, EGF, EGF receptor inhibitor or exosomes of sepsis sera treated NF on human keratinocyte (HaCaT) proliferation (BrdU assay), viability (MTT assay), and migration (horizontal wound healing model)...
January 13, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28086939/feasibility-study-for-the-non-invasive-blood-pressure-estimation-based-on-ppg-morphology-normotensive-subject-study
#10
Hangsik Shin, Se Dong Min
BACKGROUND: Blood pressure is a critical bio-signal and its importance has been increased with the aged society and the growth of cardiovascular disease population. However, most of hypertensive patients have been suffered the inconvenience in monitoring blood pressure in daily life because the measurement of the blood pressure depends on the cuff-based technique. Nowadays there are many trials to measure blood pressure without cuff, especially, photoplethysmography (PPG) based research is carried out in various ways...
January 10, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28086936/association-between-low-blood-lead-levels-and-increased-risk-of-dental-caries-in-children-a-cross-sectional-study
#11
Young-Suk Kim, Mina Ha, Ho-Jang Kwon, Hae-Young Kim, Youn-Hee Choi
BACKGROUND: The objective of this study was to examine the association between low blood lead levels of <5 μg/dL and the development of dental caries among children. METHODS: The Children's Health and Environment Research (CHEER) group recruited a cohort of 7,059 school-aged children from six Korean cities. The final study populations in the permanent and deciduous teeth groups were 1,564 and 1,241 children, respectively, after excluding 4 children with blood lead levels of >5 μg/dL...
January 13, 2017: BMC Oral Health
https://www.readbyqxmd.com/read/28086921/a-randomized-controlled-trial-focusing-on-socio-economic-status-for-promoting-vegetable-intake-among-adults-using-a-web-based-nutrition-intervention-programme-study-protocol
#12
Saki Nakamura, Takayo Inayama, Takashi Arao
BACKGROUND: Web-based nutritional education programmes appear to be comparable to those delivered face-to-face. However, no existing web-based nutrition education or similar programme has yet been evaluated with consideration of socio-economic status. The objective of a nutritional education programme of promoting vegetable intake designed a randomized controlled trial (RCT) is to evaluate the results of intervention and to determine how socio-economic status influences the programme effects...
January 13, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28086902/exploiting-temporal-and-nonstationary-features-in-breathing-sound-analysis-for-multiple-obstructive-sleep-apnea-severity-classification
#13
Jaepil Kim, Taehoon Kim, Donmoon Lee, Jeong-Whun Kim, Kyogu Lee
BACKGROUND: Polysomnography (PSG) is the gold standard test for obstructive sleep apnea (OSA), but it incurs high costs, requires inconvenient measurements, and is limited by a one-night test. Thus, a repetitive OSA screening test using affordable data would be effective both for patients interested in their own OSA risk and in-hospital PSG. The purpose of this research was to develop a four-OSA severity classification model using a patient's breathing sounds. METHODS: Breathing sounds were recorded from 83 subjects during a PSG test...
January 7, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28086898/the-intergenerational-production-of-depression-in-south-korea-results-from-a-cross-sectional-study
#14
B G Jeong, G Veenstra
BACKGROUND: Although a number of studies have uncovered relationships between parental capital and the manifestation of depression in their children, little is known about the mechanisms that undergird the relationships. This study investigates the intergenerational effects of the cultural and economic capitals of South Korean parents on depressive symptoms in their adult children and the degree to which the capitals of the adult children explain them. METHODS: We employed nationally representative cross-sectional survey data from the 2006 Korea Welfare Panel Study...
January 13, 2017: International Journal for Equity in Health
https://www.readbyqxmd.com/read/28086803/compendium-of-tcdd-mediated-transcriptomic-response-datasets-in-mammalian-model-systems
#15
Stephenie D Prokopec, Kathleen E Houlahan, Ren X Sun, John D Watson, Cindy Q Yao, Jamie Lee, Christine P'ng, Renee Pang, Alexander H Wu, Lauren C Chong, Ashley B Smith, Nicholas J Harding, Ivy D Moffat, Jere Lindén, Sanna Lensu, Allan B Okey, Raimo Pohjanvirta, Paul C Boutros
BACKGROUND: 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) is the most potent congener of the dioxin class of environmental contaminants. Exposure to TCDD causes a wide range of toxic outcomes, ranging from chloracne to acute lethality. The severity of toxicity is highly dependent on the aryl hydrocarbon receptor (AHR). Binding of TCDD to the AHR leads to changes in transcription of numerous genes. Studies evaluating the transcriptional changes brought on by TCDD may provide valuable insight into the role of the AHR in human health and disease...
January 13, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28086782/in-vivo-antiplasmodial-activity-and-toxicological-assessment-of-hydroethanolic-crude-extract-of-ajuga-remota
#16
Aschalew Nardos, Eyasu Makonnen
BACKGROUND: Malaria is one of the most life-threatening health problems worldwide and treatment has been compromised by drug resistance. Identifying lead molecules from natural products might help to find better anti-malarial drugs, since those obtained from natural sources are still effective against malarial parasites. This study aimed at investigating the in vivo antiplasmodial activity of crude extract of the leaves of Ajuga remota together with its safety in mice models. METHODS: In vivo parasite growth inhibitory effect of crude extract was assessed in mice inoculated with Plasmodium berghei (ANKA strain)...
January 13, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28081571/robust-inference-from-conditional-logistic-regression-applied-to-movement-and-habitat-selection-analysis
#17
Marie-Caroline Prima, Thierry Duchesne, Daniel Fortin
Conditional logistic regression (CLR) is widely used to analyze habitat selection and movement of animals when resource availability changes over space and time. Observations used for these analyses are typically autocorrelated, which biases model-based variance estimation of CLR parameters. This bias can be corrected using generalized estimating equations (GEE), an approach that requires partitioning the data into independent clusters. Here we establish the link between clustering rules in GEE and their effectiveness to remove statistical biases in variance estimation of CLR parameters...
2017: PloS One
https://www.readbyqxmd.com/read/28081518/development-of-a-biometric-method-to-estimate-age-on-hand-radiographs
#18
Floriane Remy, Gabriela Hossu, Romain Cendre, Emilien Micard, Laurence Mainard-Simard, Jacques Felblinger, Laurent Martrille, Loïc Lalys
Age estimation of living individuals aged less than 13, 18 or 21 years, which are some relevant legal ages in most European countries, is currently problematic in the forensic context. Thus, numerous methods are available for legal authorities, although their efficiency can be discussed. For those reasons, we aimed to propose a new method, based on the biometric analysis of hand bones. 451 hand radiographs of French individuals under the age of 21 were retrospectively analyzed. This total sample was divided into three subgroups bounded by the relevant legal ages previously mentioned: 0-13, 13-18 and 18-21 years...
December 23, 2016: Forensic Science International
https://www.readbyqxmd.com/read/28081509/in-silico-prediction-of-toxicity-of-phenols-to-tetrahymena-pyriformis-by-using-genetic-algorithm-and-decision-tree-based-modeling-approach
#19
Fatemeh Abbasitabar, Vahid Zare-Shahabadi
Risk assessment of chemicals is an important issue in environmental protection; however, there is a huge lack of experimental data for a large number of end-points. The experimental determination of toxicity of chemicals involves high costs and time-consuming process. In silico tools such as quantitative structure-toxicity relationship (QSTR) models, which are constructed on the basis of computational molecular descriptors, can predict missing data for toxic end-points for existing or even not yet synthesized chemicals...
January 2, 2017: Chemosphere
https://www.readbyqxmd.com/read/28081258/the-effect-of-individual-and-neighbourhood-socioeconomic-status-on-diabetes-mellitus-survival-in-working-age-patients-in-taiwan
#20
Shih-Hsien Yang, Su-Feng Chen, Shin Nieh, Chia-Lin Liu, Yaoh-Shiang Lin, Ching-Chih Lee, Fu-Huang Lin
PURPOSE: Diabetes mellitus (DM) is a global pandemic metabolic disorder. In recent years, the amount of medical resources required for the treatment of diabetes has increased as diabetes rates have gradually risen. The combined effects of individual and neighbourhood socio-economic status (SES) on DM survival rates are still not clear, especially in patients of working age. In this paper, we aim to analyze the combined effects of neighbourhood and individual SES on DM survival rates in patients of working age in Taiwan...
2017: PloS One
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