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https://www.readbyqxmd.com/read/28432091/suppressive-effects-of-tnf%C3%AE-il6-and-macrophages-on-thecal-androgen-production
#1
Moafaq S Samir, Claire Glister, Dareen Mattar, Mhairi Laird, Philip G Knight
Pro-inflammatory cytokines secreted by macrophages and other cell-types are implicated as intra-ovarian factors affecting different aspects of ovarian function including follicle and corpus luteum 'turnover', steroidogenesis and angiogenesis. Here, we compared granulosal (GC) and thecal (TC) expression of TNF, IL6 and their receptors (TNFR1, TNFRSF1B, IL6R) during bovine antral follicle development; all five mRNA transcripts were detected in both GC and TC and statistically significant cell-type and follicle stage-related differences were evident...
April 21, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28430922/yet-another-scenario-in-the-regulation-of-the-steroidogenic-acute-regulatory-star-protein-gene
#2
Douglas M Stocco, Vimal Selvaraj
No abstract text is available yet for this article.
February 1, 2017: Endocrinology
https://www.readbyqxmd.com/read/28430586/epidermal-growth-factor-receptor-egfr-a-rising-star-in-the-era-of-precision-medicine-of-lung-cancer
#3
REVIEW
Xiaomin Liu, Ping Wang, Caiyan Zhang, Zhongliang Ma
Lung cancer is a leading cause of cancer mortality worldwide. In tumors, the important role of noncoding RNA regulatory networks has been more and more reveal. EGFR has been identified as an oncogenic driver of NSCLC, especially activating mutations EGFR and its inhibition with specific TKIs can generate dramatic tumor responses. Studies have shown that EGFR plays significant roles in the progression of NSCLC. Subset analysis of the small proportion of patients with EGFR-mutant lung cancer showed a disease-free survival benefit, but was underpowered to detect a survival advantage...
April 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430132/celestial-object-imaging-model-and-parameter-optimization-for-an-optical-navigation-sensor-based-on-the-well-capacity-adjusting-scheme
#4
Hao Wang, Jie Jiang, Guangjun Zhang
The simultaneous extraction of optical navigation measurements from a target celestial body and star images is essential for autonomous optical navigation. Generally, a single optical navigation sensor cannot simultaneously image the target celestial body and stars well-exposed because their irradiance difference is generally large. Multi-sensor integration or complex image processing algorithms are commonly utilized to solve the said problem. This study analyzes and demonstrates the feasibility of simultaneously imaging the target celestial body and stars well-exposed within a single exposure through a single field of view (FOV) optical navigation sensor using the well capacity adjusting (WCA) scheme...
April 21, 2017: Sensors
https://www.readbyqxmd.com/read/28429685/interlayer-crosslinked-micelles-prepared-from-star-shaped-copolymers-via-click-chemistry-for-sustained-drug-release
#5
Xiaojin Zhang, Hongquan Wang, Yu Dai
To balance the stability and the particle size of polymeric micelles, star-shaped copolymers Hx-yne-N3-PEG containing both alkynyl and azido groups were synthesized from hyperbranched 2,2-bismethylolpropionic acid polyester (H20 with 16 hydroxyl, H30 with 32 hydroxyl, H40 with 64 hydroxyl) to develop interlayer-crosslinked micelles by click chemistry. The results of dynamic light scattering indicate that the crosslinking could enhance the stability of polymeric micelles. The crosslinked micelles are regular nanosized (approximately 20 nm) spheres observed by a transmission electron microscope...
April 21, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28427559/stress-induced-nlrp3-inflammasome-in-human-diseases
#6
Elísabet Alcocer-Gómez, Beatriz Castejón-Vega, Mario D Cordero
Stress is a complex event that induces disturbances to physiological and psychological homeostasis, and it may have a detrimental impact on certain brain and physiological functions. In the last years, a dual role of the stress effect has been studied in order to elucidate the molecular mechanism by which can induce physiological symptoms after psychological stress exposition and vice versa. In this sense, inflammation has been proposed as an important starring. And in the same line, the inflammasome complex has emerged to give responses because of its role of stress sensor...
2017: Advances in Protein Chemistry and Structural Biology
https://www.readbyqxmd.com/read/28427474/assessment-of-surgical-antimicrobial-prophylaxis-in-orthopaedics-and-traumatology-surgical-unit-of-a-tertiary-care-teaching-hospital-in-addis-ababa
#7
Nitsuh Alemayehu Argaw, Kibruyisfawe Zewdie Shumbash, Alemseged Ayele Asfaw, Segewkal Hawaze
BACKGROUND: Prophylactic antimicrobials have a starring role in prevention of surgical site infection. This study assesses the practice of surgical antimicrobial prophylaxis (SAP) and development of surgical site infection (SSI) based on patient chart review in patients who underwent surgery in the Orthopaedics and Traumatology Surgical Unit of Tikur Anbesa Specialized Hospital (TASH). RESULTS: Majority of the patients 144 (72%) were males. 108 (54%) of the surgical wounds were clean and 63 (31%) were clean contaminated...
April 20, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28426003/a-temperate-rocky-super-earth-transiting-a-nearby-cool-star
#8
Jason A Dittmann, Jonathan M Irwin, David Charbonneau, Xavier Bonfils, Nicola Astudillo-Defru, Raphaëlle D Haywood, Zachory K Berta-Thompson, Elisabeth R Newton, Joseph E Rodriguez, Jennifer G Winters, Thiam-Guan Tan, Jose-Manuel Almenara, François Bouchy, Xavier Delfosse, Thierry Forveille, Christophe Lovis, Felipe Murgas, Francesco Pepe, Nuno C Santos, Stephane Udry, Anaël Wünsche, Gilbert A Esquerdo, David W Latham, Courtney D Dressing
M dwarf stars, which have masses less than 60 per cent that of the Sun, make up 75 per cent of the population of the stars in the Galaxy. The atmospheres of orbiting Earth-sized planets are observationally accessible via transmission spectroscopy when the planets pass in front of these stars. Statistical results suggest that the nearest transiting Earth-sized planet in the liquid-water, habitable zone of an M dwarf star is probably around 10.5 parsecs away. A temperate planet has been discovered orbiting Proxima Centauri, the closest M dwarf, but it probably does not transit and its true mass is unknown...
April 19, 2017: Nature
https://www.readbyqxmd.com/read/28424534/corneal-flap-thickness-with-the-moria-m2-single-use-head-90-microkeratome-in-72-consecutive-lasik-procedures
#9
Yunus Karabela, Orkun Muftuoglu, Faruk Kaya
PURPOSE: This study aimed to evaluate the accuracy and consistency of corneal flap thickness in laser-assisted in situ keratomileusis (LASIK) with the Moria M2 single-use head 90 microkeratome. METHODS: The central corneal thickness of 72 (37 right, 35 left) eyes of 37 patients was measured by ultrasonic pachymetry preoperatively and intraoperatively after flap cut. The Moria M2 single-use head 90 microkeratome was used to create a superior hinged flap in all eyes...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28424334/glycosaminoglycan-based-hydrogels-capture-inflammatory-chemokines-and-rescue-defective-wound-healing-in-mice
#10
Nadine Lohmann, Lucas Schirmer, Passant Atallah, Elke Wandel, Ruben A Ferrer, Carsten Werner, Jan C Simon, Sandra Franz, Uwe Freudenberg
Excessive production of inflammatory chemokines can cause chronic inflammation and thus impair cutaneous wound healing. Capturing chemokine signals using wound dressing materials may offer powerful new treatment modalities for chronic wounds. Here, a modular hydrogel based on end-functionalized star-shaped polyethylene glycol (starPEG) and derivatives of the glycosaminoglycan (GAG) heparin was customized for maximal chemokine sequestration. The material is shown to effectively scavenge the inflammatory chemokines MCP-1 (monocyte chemoattractant protein-1), IL-8 (interleukin-8), and MIP-1α (macrophage inflammatory protein-1α) and MIP-1β (macrophage inflammatory protein-1β) in wound fluids from patients suffering from chronic venous leg ulcers and to reduce the migratory activity of human monocytes and polymorphonuclear neutrophils...
April 19, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28423333/hunting-down-the-hiv-1-reservoir-a-starring-role-for-antibodies
#11
Hugo Mouquet
The persistence of viruses "hidden" in a reservoir of latently infected CD4(+) T cells under antiretroviral therapy is the major obstacle to an HIV-1 cure. Recently published in Nature, two seminal studies from Descours et al. (2017) and Nishimura et al. (2017) bring hope for tracking and possibly eradicating the HIV-1 reservoir.
April 18, 2017: Immunity
https://www.readbyqxmd.com/read/28423002/human-sr-bii-mediates-saa-uptake-and-contributes-to-saa-pro-inflammatory-signaling-in-vitro-and-in-vivo
#12
Irina N Baranova, Ana C P Souza, Alexander V Bocharov, Tatyana G Vishnyakova, Xuzhen Hu, Boris L Vaisman, Marcelo J Amar, Zhigang Chen, Alan T Remaley, Amy P Patterson, Peter S T Yuen, Robert A Star, Thomas L Eggerman
Serum amyloid A (SAA) is an acute phase protein with cytokine-like and chemotactic properties, that is markedly up-regulated during various inflammatory conditions. Several receptors, including FPRL-1, TLR2, TLR4, RAGE, class B scavenger receptors, SR-BI and CD36, have been identified as SAA receptors. This study provides new evidence that SR-BII, splice variant of SR-BI, could function as an SAA receptor mediating its uptake and pro-inflammatory signaling. The uptake of Alexa Fluor488 SAA was markedly (~3 fold) increased in hSR-BII-expressing HeLa cells when compared with mock-transfected cells...
2017: PloS One
https://www.readbyqxmd.com/read/28421523/response-of-marine-benthic-fauna-to-thin-layer-capping-with-activated-carbon-in-a-large-scale-field-experiment-in-the-grenland-fjords-norway
#13
Göran S Samuelsson, Caroline Raymond, Stefan Agrenius, Morten Schaanning, Gerard Cornelissen, Jonas S Gunnarsson
A field experiment with thin-layer capping was conducted in the Grenland fjords, Norway, for remediation in situ of mercury and dioxin-contaminated sediments. Experimental fields at 30 and 95 m depth were capped with (i) powdered activated carbon (AC) mixed with clay (AC+cla`y), (ii) clay, and (iii) crushed limestone. Ecological effects on the benthic community and species-feeding guilds were studied 1 and 14 months after capping, and a total of 158 species were included in the analyses. The results show that clay and limestone had only minor effects on the benthic community, while AC+clay caused severe perturbations...
April 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28420709/thermal-imprinting-modifies-adult-stress-and-innate-immune-responsiveness-in-the-teleost-sea-bream
#14
Ana Patrícia Mateus, Rita Costa, João C R Cardoso, Karl B Andree, Alicia Estévez, Enric Gisbert, Deborah M Power
The impact of thermal imprinting during development on the plasticity of the hypothalamic-pituitary-interrenal (HPI) axis and stress response in an adult ectotherm, the gilthead sea bream (Sparus aurata, L.), was assessed. Fish were reared under 4 thermal regimes and the resulting adults exposed to acute confinement stress and plasma cortisol levels and genes of the HPI axis monitored. Changes in immune function, a common result of stress, was also evaluated using histomorphometric measurements of melano-macrophages centres (MMCs) in the head kidney and by monitoring macrophage related transcripts...
April 18, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28420595/using-an-array-of-implementation-strategies-to-improve-success-rates-of-pharmacist-initiated-medication-therapy-management-services-in-community-pharmacies
#15
Rachel Stafford, Jeremy Thomas, Nalin Payakachat, Tiffany Diemer, Michele Lang, Brooke Kordsmeier, Geoffrey Curran
BACKGROUND: With the introduction of the Centers for Medicare and Medicaid Services Stars Measure program has come a greater expectation of Medication Therapy Management (MTM) services from community pharmacies. To meet the growing demand of these services, pharmacies have sought out various methods of engaging pharmacists to provide MTM. Barriers for completing MTM include inadequate time to complete the services, insufficient staffing, lack of sufficient compensation, billing difficulty, lack of interest among patients (including refusing MTM services when offered), inadequate training/experience, and lack of support from management...
April 8, 2017: Research in Social & Administrative Pharmacy: RSAP
https://www.readbyqxmd.com/read/28420556/can-paddock-scale-data-integration-achieve-more-cost-effective-outcomes-in-the-great-barrier-reef-a-case-study-in-the-fitzroy-basin
#16
Megan Star, John Rolfe, Miriam East, Terry Beutel, Kevin McCosker, Robin Ellis, Shaun Darr, Tom Coughlin
The decline in health of the Great Barrier Reef and the pressure on allocating funds efficiently has increased efforts to prioritise where public funds are invested. The Fitzroy basin and coastal catchments is 152,000 square kilometres and geographically diverse. Past work has identified that sediment loads leaving the catchment are posing a high risk to the ongoing health of the Reef and that there is a need to prioritise funds to achieve cost effective outcomes. In this paper we aim to present an alternative approach to effective prioritisation of sediment reductions...
April 15, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28419591/application-of-spin-echoes-in-the-regime-of-weak-dephasing-to-t1-mapping-of-the-lung
#17
Jakob Assländer, Steffen J Glaser, Jürgen Hennig
PURPOSE: This work presents an approach to mapping the entire lung's proton density and T1 within a single breath-hold and analyzes the apparent T1 when exciting with a spin echo generating pulse in comparison to a standard gradient echo acquisition. METHODS: An inversion-recovery SNAPSHOT-FLASH sequence with a stack-of-stars k-space readout with a golden angle increment was modified to use a spin echo generating radiofrequency-pulse for excitation. Data of five volunteers were acquired on a 3T scanner and image reconstruction was performed by an iterative algorithm adopted from MR-Fingerprinting...
April 17, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28418948/optical-coherence-tomography-in-neuroretinitis-epipapillary-infiltrates-and-retinal-folds
#18
Luca Zatreanu, Patrick A Sibony, Mark J Kupersmith
Neuroretinitis is a form of papillitis associated with the delayed onset of an exudative macular star among other inflammatory ocular findings. We describe 4 patients with neuroretinitis who displayed several distinctive and novel findings on spectral-domain optical coherence tomography (OCT) that include "epipapillary infiltrates" and an atypical pattern of inner retinal folds. The recognition of these findings on OCT may help in the early diagnosis of neuroretinitis.
April 14, 2017: Journal of Neuro-ophthalmology: the Official Journal of the North American Neuro-Ophthalmology Society
https://www.readbyqxmd.com/read/28418789/transitions-and-motivations-for-substance-misuse-in-prison-inmates-with-adhd-and-conduct-disorder-validation-of-a-new-instrument
#19
Susan Young, Rafael A González, Kim Wolff, Laura Mutch, Isabella Malet-Lambert, Gisli H Gudjonsson
OBJECTIVE: There is a reasonable theoretical base for understanding the possible causes and motivations behind substance misuse and its dependency. There is a need for a reliable and valid measure that delineates the markers of substance use from its initiation and identifies different motivations for drug use transitioning, maintenance, and dependency. We addressed this gap in the United Kingdom by examining and validating the Substance Transitions in Addiction Rating Scale (STARS). METHODS: For this review, 390 male prisoners were screened for conduct disorder and assessed with a clinical diagnostic interview for attention deficit/hyperactivity disorder (ADHD)...
April 18, 2017: Journal of Dual Diagnosis
https://www.readbyqxmd.com/read/28418238/specific-and-differential-binding-of-n-acetylgalactosamine-glycopolymers-to-the-human-macrophage-galactose-lectin-and-asialoglycoprotein-receptor
#20
Joji Tanaka, Anne S Gleinich, Qiang Zhang, Richard Whitfield, Kristian Kempe, David M Haddleton, Thomas P Davis, Sébastien Perrier, Daniel A Mitchell, Paul Wilson
A range of glycopolymers composed of N-acetylgalactosamine were prepared via sequential Cu(I)-mediated polymerization and alkyne-azide click (CuAAC). The resulting polymers were shown, via multichannel surface plasmon resonance, to interact specifically with human macrophage galactose lectin (MGL; CD301) with high affinity (KD = 1.11 μM), but they did not bind to the mannose/fucose-selective human lectin dendritic-cell-specific intercellular adhesion molecule-3-grabbing nonintegrin (DC-SIGN; CD209). The effect of sugar ligand valency on the binding (so-called "glycoside cluster effect") of poly(N-acetylgalactosamine) to MGL was investigated by varying first the polymer chain length (DP: 100, 64, 40, 23, 12) and then the architecture (4- and 8-arm star glycopolymers)...
April 18, 2017: Biomacromolecules
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