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https://www.readbyqxmd.com/read/27911483/effects-of-dietary-heme-iron-and-exercise-training-on-abdominal-fat-accumulation-and-lipid-metabolism-in-high-fat-diet-fed-mice
#1
Masanori Katsumura, Shoko Takagi, Hana Oya, Shohei Tamura, Takaoki Saneyasu, Kazuhisa Honda, Hiroshi Kamisoyama
Animal by-products can be recycled and used as sources of essential nutrients. Water-soluble heme iron (WSHI), a functional food additive for supplementing iron, is produced by processing animal blood. In this study, we investigated the effects of dietary supplementation of 3% WSHI and exercise training for 4 weeks on the accumulation of abdominal fat and lipid metabolism in mice fed high-fat diet. Exercise-trained mice had significantly less perirenal adipose tissue, whereas WSHI-fed mice tended to have less epididymal adipose tissue...
December 2, 2016: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/27911471/the-effects-of-coenzyme-q10-supplementation-on-glucose-metabolism-and-lipid-profiles-in-women-with-polycystic-ovary-syndrome-a-randomized-double-blind-placebo-controlled-trial
#2
Mansooreh Samimi, Maryam Zarezade Mehrizi, Fatemeh Foroozanfard, Hossein Akbari, Mehri Jamilian, Shahnaz Ahmadi, Zatollah Asemi
BACKGROUND: Data on the effects of coenzyme Q10 (CoQ10) supplementation on metabolic profiles among subjects with polycystic ovary syndrome (PCOS) are scarce. OBJECTIVE: This study was done to evaluate the effects of CoQ10 supplementation on glucose metabolism and lipid profiles in subjects with PCOS. DESIGN, PATIENTS AND MEASUREMENTS: This randomized double-blind, placebo-controlled trial was conducted on 60 women diagnosed with PCOS. Subjects were randomly assigned into two groups to intake either 100 mg CoQ10 supplements (N=30) or placebo (N=30) per day for 12 weeks...
December 2, 2016: Clinical Endocrinology
https://www.readbyqxmd.com/read/27911467/a-systematic-investigation-of-the-charging-effect-in-scanning-electron-microscopy-for-metal-nanostructures-on-insulating-substrates
#3
R Flatabø, A Coste, M M Greve
Scanning electron microscopy is perhaps the most important method for investigating and characterizing nanostructures. A well-known challenge in scanning electron microscopy is the investigation of insulating materials. As insulating materials do not provide a path to ground they accumulate charge, evident as image drift and image distortions. In previous work, we have seen that sample charging in arrays of metal nanoparticles on glass substrates leads to a shrinkage effect, resulting in a measurement error in the nanoparticle dimension of up to 15% at 10 kV and a probe current of 80 ± 10 pA...
December 2, 2016: Journal of Microscopy
https://www.readbyqxmd.com/read/27911439/evidence-for-a-role-of-viruses-in-the-thermal-sensitivity-of-coral-photosymbionts
#4
Rachel Ashley Levin, Christian Robert Voolstra, Karen Dawn Weynberg, Madeleine Josephine Henriette van Oppen
Symbiodinium, the dinoflagellate photosymbiont of corals, is posited to become more susceptible to viral infections when heat-stressed. To investigate this hypothesis, we mined transcriptome data of a thermosensitive and a thermotolerant type C1 Symbiodinium population at ambient (27 °C) and elevated (32°C) temperatures. We uncovered hundreds of transcripts from nucleocytoplasmic large double-stranded DNA viruses (NCLDVs) and the genome of a novel positive-sense single-stranded RNA virus (+ssRNAV). In the transcriptome of the thermosensitive population only, +ssRNAV transcripts had remarkable expression levels in the top 0...
December 2, 2016: ISME Journal
https://www.readbyqxmd.com/read/27911427/-modern-approach-to-early-diagnosis-and-pathogenetic-treatment-of-diabetic-retinopathy
#5
I V Vorob'eva
AIM: To improve the approach to pathogenetic treatment of diabetic retinopathy (DR) through early diagnosis and a new method for predicting disease progression. MATERIAL AND METHODS: The study enrolled 330 type 2 diabetes patients with DR (660 eyes), of whom women constituted 64.6%, men - 35.4%. The mean patient age was 62.3±2.3 years. Three groups were formed: the controls - 30 healthy volunteers (60 eyes) and 30 type 2 diabetes patients without ocular involvement (DR 0, 60 eyes); group 1 - 30 type 2 diabetes patients with DR I but no diabetic macular edema (DR I without DME, 60 eyes) that were treated with calcium dobesilate; group 2 - 240 type 2 diabetes patients, who had diabetic retinopathy of different stages (DR I, II, or III with DME, 480 eyes) and received laser retinal photocoagulation (LRP)...
2016: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/27911398/evaluation-of-bioenergetic-function-in-cerebral-vascular-endothelial-cells
#6
Stephanie L Rellick, Heng Hu, James W Simpkins, Xuefang Ren
The integrity of the blood-brain-barrier (BBB) is critical to prevent brain injury. Cerebral vascular endothelial (CVE) cells are one of the cell types that comprise the BBB; these cells have a very high-energy demand, which requires optimal mitochondrial function. In the case of disease or injury, the mitochondrial function in these cells can be altered, resulting in disease or the opening of the BBB. In this manuscript, we introduce a method to measure mitochondrial function in CVE cells by using whole, intact cells and a bioanalyzer...
November 19, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27911393/a-detailed-protocol-for-perspiration-monitoring-using-a-novel-small-wireless-device
#7
Kazuhiro Ogai, Masakazu Fukuoka, Kei-Ichiro Kitamura, Kiyoshi Uchide, Tetsu Nemoto
Perspiration monitoring can be utilized for the detection of certain diseases, such as thermoregulation and mental disorders, particularly when the patients are unaware of such disorders or are having difficulty expressing their symptoms. Until now, several devices for perspiration monitoring have been developed; however, such devices tend to have a relatively large exterior, considerable power consumption, and/or less sensitivity. Recently, we developed a small, wireless device for perspiration monitoring...
November 24, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27911383/parallel-measurement-of-circadian-clock-gene-expression-and-hormone-secretion-in-human-primary-cell-cultures
#8
Volodymyr Petrenko, Camille Saini, Laurent Perrin, Charna Dibner
Circadian clocks are functional in all light-sensitive organisms, allowing for an adaptation to the external world by anticipating daily environmental changes. Considerable progress in our understanding of the tight connection between the circadian clock and most aspects of physiology has been made in the field over the last decade. However, unraveling the molecular basis that underlies the function of the circadian oscillator in humans stays of highest technical challenge. Here, we provide a detailed description of an experimental approach for long-term (2-5 days) bioluminescence recording and outflow medium collection in cultured human primary cells...
November 11, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27911378/iridium-oxide-reduced-graphene-oxide-nanohybrid-thin-film-modified-screen-printed-electrodes-as-disposable-electrochemical-paper-microfluidic-ph-sensors
#9
Jiang Yang, Tae-Joon Kwak, Xiaodong Zhang, Robert McClain, Woo-Jin Chang, Sundaram Gunasekaran
A facile, controllable, inexpensive and green electrochemical synthesis of IrO2-graphene nanohybrid thin films is developed to fabricate an easy-to-use integrated paper microfluidic electrochemical pH sensor for resource-limited settings. Taking advantages from both pH meters and strips, the pH sensing platform is composed of hydrophobic barrier-patterned paper micropad (µPAD) using polydimethylsiloxane (PDMS), screen-printed electrode (SPE) modified with IrO2-graphene films and molded acrylonitrile butadiene styrene (ABS) plastic holder...
November 22, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27911360/development-of-a-more-sensitive-and-specific-chromogenic-agar-medium-for-the-detection-of-vibrio-parahaemolyticus-and-other-vibrio-species
#10
Marie Yeung, Trevor Thorsen
Foodborne infections in the US caused by Vibrio species have shown an upward trend. In the genus Vibrio, V. parahaemolyticus is responsible for the majority of Vibrio-associated infections. Thus, accurate differentiation among Vibrio spp. and detection of V. parahaemolyticus is critically important to ensure the safety of our food supply. Although molecular techniques are increasingly common, culture-depending methods are still routinely done and they are considered standard methods in certain circumstances...
November 8, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27911353/computer-aided-classification-of-mammographic-masses-using-visually-sensitive-image-features
#11
Yunzhi Wang, Faranak Aghaei, Ali Zarafshani, Yuchen Qiu, Wei Qian, Bin Zheng
PURPOSE: To develop a new computer-aided diagnosis (CAD) scheme that computes visually sensitive image features routinely used by radiologists to develop a machine learning classifier and distinguish between the malignant and benign breast masses detected from digital mammograms. METHODS: An image dataset including 301 breast masses was retrospectively selected. From each segmented mass region, we computed image features that mimic five categories of visually sensitive features routinely used by radiologists in reading mammograms...
November 30, 2016: Journal of X-ray Science and Technology
https://www.readbyqxmd.com/read/27911351/evaluation-of-differential-phase-contrast-cone-beam-ct-imaging-system
#12
Jiangkun Liu, Weixing Cai, Ruola Ning
Grating-based differential phase contrast (DPC) imaging enables the use of a hospital-grade X-ray tube, but compromises the image quality due to insufficiently coherent illumination. In this research, a bench-top DPC cone beam CT (DPC-CBCT) was systematically evaluated and compared with the traditional attenuation-based CBCT in terms of contrast to noise ratio, noise property, and contrast resolution through phantom studies. In order to evaluate DPC-CBCT for soft tissue imaging, breast specimen and small animal studies were carried out...
November 30, 2016: Journal of X-ray Science and Technology
https://www.readbyqxmd.com/read/27911322/shape-attributes-of-brain-structures-as-biomarkers-for-alzheimer-s-disease
#13
Tanya Glozman, Justin Solomon, Franco Pestilli, Leonidas Guibas
We describe a fully automatic framework for classification of two types of dementia based on the differences in the shape of brain structures. We consider Alzheimer's disease (AD), mild cognitive impairment of individuals who converted to AD within 18 months (MCIc), and normal controls (NC). Our approach uses statistical learning and a feature space consisting of projection-based shape descriptors, allowing for canonical representation of brain regions. Our framework automatically identifies the structures most affected by the disease...
November 26, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27911309/longitudinal-characterization-of-18f-fdg-and-18f-av45-uptake-in-the-double-transgenic-tastpm-mouse-model
#14
Ann-Marie Waldron, Leonie Wyffels, Jeroen Verhaeghe, Jill C Richardson, Mark Schmidt, Sigrid Stroobants, Xavier Langlois, Steven Staelens
We aimed to monitor the timing of amyloid-β deposition in relation to changes in brain function using in vivo imaging with [18F]-AV45 and [18F]-FDG in a mouse model of Alzheimer's disease. TASTPM transgenic mice and wild-type controls were scanned longitudinally with [18F]-AV45 and [18F]-FDG before (3 months of age) and at multiple time points after the onset of amyloid deposition (6, 9, 12, and 15 months of age). As expected with increasing amyloidosis, TASTPM mice demonstrated progressive age-dependent increases in [18F]-AV45 uptake that were significantly higher than for WT from 9 months onwards and correlated to ex vivo measures of amyloid burden...
November 25, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27911283/association-between-physical-activity-and-pain-processing-in-adults-with-chronic-low-back-pain-compared-to-pain-free-controls
#15
Lindsay C Orr, Steven Z George, Corey B Simon
BACKGROUND: Pain sensitivity has been negatively associated with physical activity levels. Few studies have examined associations between experimentally induced pain sensitivity and physical activity in adults with chronic low back pain and pain-free controls. OBJECTIVE: The objective of this study was to examine associations between physical activity levels and how an individual processes pain using experimentally induced pain stimuli. METHODS: Seventy subjects (CLBP = 49; mean age = 46...
November 25, 2016: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/27911273/robust-detection-of-immune-transcripts-in-ffpe-samples-using-targeted-rna-sequencing
#16
Benjamin E Paluch, Sean T Glenn, Jeffrey M Conroy, Antonios Papanicolau-Sengos, Wiam Bshara, Angela R Omilian, Elizabeth Brese, Mary Nesline, Blake Burgher, Jonathan Andreas, Kunle Odunsi, Kevin Eng, Ji He, Maochun Qin, Mark Gardner, Lorenzo Galluzzi, Carl D Morrison
Current criteria for identifying cancer patients suitable for immunotherapy with immune checkpoint blockers (ICBs) are subjective and prone to misinterpretation, as they mainly rely on the visual assessment of CD274 (best known as PD-L1) expression levels by immunohistochemistry (IHC). To address this issue, we developed a RNA sequencing (RNAseq)-based approach that specifically measures the abundance of immune transcripts in formalin-fixed paraffin embedded (FFPE) specimens. Besides exhibiting superior sensitivity as compared to whole transcriptome RNAseq, our assay requires little starting material, implying that it is compatible with RNA degradation normally caused by formalin...
November 29, 2016: Oncotarget
https://www.readbyqxmd.com/read/27911269/the-matricellular-protein-cyr61-promotes-breast-cancer-lung-metastasis-by-facilitating-tumor-cell-extravasation-and-suppressing-anoikis
#17
Yu-Ting Huang, Qiang Lan, Girieca Lorusso, Nathalie Duffey, Curzio Rüegg
Matricellular proteins play multiple roles in primary tumor growth, local invasion and tumor angiogenesis. However, their contribution to metastasis and the putative mechanisms involved are less well characterized. In ER-negative human breast cancer, elevated expression levels of the matricellular protein Cysteine-rich angiogenic inducer 61 (CYR61) are associated with more aggressive progression. Here, we investigated the role of CYR61 in breast cancer lung metastasis using the triple negative human breast cancer cell lines MDA-MB-231 and SUM159...
November 29, 2016: Oncotarget
https://www.readbyqxmd.com/read/27911259/the-goldilocks-zone-in-neural-circuits
#18
Mark D Humphries
How do networks of neurons remain both stable and sensitive to new inputs?
December 2, 2016: ELife
https://www.readbyqxmd.com/read/27911236/patient-versus-physician-reported-facial-disability-in-vestibular-schwannoma-an-international-cross-sectional-study
#19
Øystein Vesterli Tveiten, Matthew L Carlson, Frederik Goplen, Erling Myrseth, Colin L W Driscoll, Rupavathana Mahesparan, Michael J Link, Morten Lund-Johansen
OBJECTIVE Patient-reported outcomes are increasingly used in studies of vestibular schwannoma (VS); however, few studies have examined self-evaluated facial nerve function and its relation to physician-reported outcomes. The primary objective of this study was to compare patient self-evaluations of facial disability with physician-evaluated facial nerve status and with self-evaluations of a healthy control group. The second objective was to provide insight into the controversial subject of the optimal initial management of small- and medium-sized VSs; consequently, the authors compared patient-reported facial nerve disability following treatment via observation (OBS), Gamma Knife surgery (GKS), or microsurgery (MS)...
December 2, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27911168/effectiveness-of-communication-specific-coping-intervention-for-adults-with-traumatic-brain-injury-preliminary-results
#20
Jacinta M Douglas, Lucy Knox, Carren De Maio, Helen Bridge, Melanie Drummond, Joanne Whiteoak
People with traumatic brain injury (TBI) describe everyday interactions as a long-term challenge frequently associated with ongoing stress. Communication-specific Coping Intervention (CommCope-I) is a new treatment developed to target coping in the context of communication breakdown. The intervention incorporates principles of cognitive behavioural therapy, self-coaching and context-sensitive social communication therapy. The purpose of this study was to examine the effectiveness of CommCope-I in a group of adults with severe TBI and ongoing functional communication difficulties...
December 2, 2016: Neuropsychological Rehabilitation
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