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https://www.readbyqxmd.com/read/28454138/programmable-single-pixel-based-broadband-stimulated-raman-scattering
#1
Pascal Berto, Camille Scotté, Frédéric Galland, Hervè Rigneault, Hilton B de Aguiar
We report a simple add-on for broadband stimulated Raman scattering (SRS) microscopes to enable fast and programmable spectroscopy acquisition. It comprises a conventional dispersive spectrometer layout incorporating a fast digital micromirror device (DMD). The approach is validated by acquiring SRS spectra of standard chemicals. We demonstrate a DMD's advantage in broadband SRS by showing higher signal-to-noise ratio using a multiplexed Hadamard spectral basis and compressive sensing detection. Our results apply to a variety of frequency-domain pump-probe spectroscopy...
May 1, 2017: Optics Letters
https://www.readbyqxmd.com/read/28453531/structural-diversity-of-burkholderia-pseudomallei-lipopolysaccharides-affects-innate-immune-signaling
#2
Michael H Norris, Herbert P Schweizer, Apichai Tuanyok
Burkholderia pseudomallei (Bp) causes the disease melioidosis. The main cause of mortality in this disease is septic shock triggered by the host responding to lipopolysaccharide (LPS) components of the Gram-negative outer membrane. Bp LPS is thought to be a weak inducer of the host immune system. LPS from several strains of Bp were purified and their ability to induce the inflammatory mediators TNF-α and iNOS in murine macrophages at low concentrations was investigated. Innate and adaptive immunity qPCR arrays were used to profile expression patterns of 84 gene targets in response to the different LPS types...
April 28, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28453387/if-they-don-t-count-us-we-don-t-count-trump-administration-rolls-back-sexual-orientation-and-gender-identity-data-collection
#3
Sean R Cahill, Harvey J Makadon
The Trump Administration recently removed sexual orientation and gender identity (SOGI) questions from a national aging survey, and decided not to add a sexual orientation category and a transgender identity field to a national disability survey as planned. These actions have raised concerns that the major expansion of SOGI data collection on surveys and in clinical settings, which has occurred in recent years, may be under threat. SOGI data collection is essential to understand lesbian, gay, bisexual, and transgender (LGBT) health and the extent to which LGBT people access critical social services, including elder and disability services essential for living in community...
April 28, 2017: LGBT Health
https://www.readbyqxmd.com/read/28453295/postinjury-exercise-and-platelet-rich-plasma-therapies-improve-skeletal-muscle-healing-in-rats-but-are-not-synergistic-when-combined
#4
Paola Contreras-Muñoz, Joan Ramon Torrella, Xavier Serres, David Rizo-Roca, Meritxell De la Varga, Ginés Viscor, Vicente Martínez-Ibáñez, José Luis Peiró, Tero A H Järvinen, Gil Rodas, Mario Marotta
BACKGROUND: Skeletal muscle injuries are the most common sports-related injury and a major concern in sports medicine. The effect of platelet-rich plasma (PRP) injections on muscle healing is still poorly understood, and current data are inconclusive. PURPOSE: To evaluate the effects of an ultrasound-guided intramuscular PRP injection, administered 24 hours after injury, and/or posttraumatic daily exercise training for 2 weeks on skeletal muscle healing in a recently established rat model of skeletal muscle injury that highly mimics the muscle trauma seen in human athletes...
April 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28449233/an-evaluation-of-the-international-society-for-animal-genetics-recommended-parentage-and-identification-panel-for-the-domestic-pigeon-columba-livia-domestica
#5
M de Groot, W A van Haeringen
In this study, the International Society for Animal Genetics (ISAG) recommended panel for the identification of the domestic pigeon (Columba livia domestica) is characterized based on commonly used statistical parameters. The marker panel is based on 16 short tandem repeat (STR) loci (PIGN15, PIGN10, PIGN57, PIGN26, CliμD16, CliμD19, PIGN12, CliμD17, CliμT17, PIGN04, CliμD01, CliμD11, CliμD35, CliμT02, CliμT13, CliμT43). The alleles of the 16 loci consist of a mixture of tri-, tetra-, penta- and hexameric repeat patterns...
April 27, 2017: Animal Genetics
https://www.readbyqxmd.com/read/28449086/a-coordinated-action-of-blood-borne-and-brain-insulin-like-growth-factor-i-in-the-response-to-traumatic-brain-injury
#6
A Santi, L Genis, I Torres Aleman
In response to injury, the brain produces different neuroprotective molecules, such as insulin-like growth factor I (IGF-I). However, IGF-I is also taken up by the brain from the circulation in response to physiological stimuli. Herein, we analyzed in mice the relative contribution of circulating and locally produced IGF-I to increased brain IGF-I levels after insult. Traumatic brain injury (TBI) induced by a controlled impact resulted in increased IGF-I levels in the vicinity of the lesion, but mice with low serum IGF-I showed significantly lower increases...
April 26, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28448616/abundance-profiling-of-specific-gene-groups-using-precomputed-gut-metagenomes-yields-novel-biological-hypotheses
#7
Konstantin Yarygin, Alexander Tyakht, Andrey Larin, Elena Kostryukova, Sergei Kolchenko, Vilgelm Bitner, Dmitry Alexeev
The gut microbiota is essentially a multifunctional bioreactor within a human being. The exploration of its enormous metabolic potential provides insights into the mechanisms underlying microbial ecology and interactions with the host. The data obtained using "shotgun" metagenomics capture information about the whole spectrum of microbial functions. However, each new study presenting new sequencing data tends to extract only a little of the information concerning the metabolic potential and often omits specific functions...
2017: PloS One
https://www.readbyqxmd.com/read/28448508/a-longitudinal-cline-characterizes-the-genetic-structure-of-human-populations-in-the-tibetan-plateau
#8
Choongwon Jeong, Benjamin M Peter, Buddha Basnyat, Maniraj Neupane, Cynthia M Beall, Geoff Childs, Sienna R Craig, John Novembre, Anna Di Rienzo
Indigenous populations of the Tibetan plateau have attracted much attention for their good performance at extreme high altitude. Most genetic studies of Tibetan adaptations have used genetic variation data at the genome scale, while genetic inferences about their demography and population structure are largely based on uniparental markers. To provide genome-wide information on population structure, we analyzed new and published data of 338 individuals from indigenous populations across the plateau in conjunction with worldwide genetic variation data...
2017: PloS One
https://www.readbyqxmd.com/read/28448420/inflow-angle-of-small-paraophthalmic-aneurysms-is-a-determinant-of-adjacent-sphenoid-bone-remodeling
#9
Gianni Giancaspro, Thierry Gagné, Donatella Tampieri, Maria DelPilar Cortes
OBJECTIVE: Large internal carotid artery aneurysms can cause remodeling of the sphenoid bone with subsequent hemorrhage into the sinus. No reports have demonstrated small unruptured lesions causing similar bone remodeling. The purpose of this study was to demonstrate our experience with small unruptured paraophthalmic aneurysms causing sphenoid bone remodeling, specifically when the optimal aneurysm inflow angle is present. METHODS: We searched our database for computed tomography angiography studies of small paraophthalmic aneurysms and assessed adjacent sphenoid bone remodeling and inflow angle...
April 26, 2017: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/28448307/explaining-performance-in-health-care-how-and-when-top-management-competencies-make-the-difference
#10
Milena Vainieri, Francesca Ferrè, Giorgio Giacomelli, Sabina Nuti
BACKGROUND: One of the most distinctive management competencies is related to the ability to structure the strategic vision, develop long-term plans, and communicate them efficiently to the employees in order to empower them to enact. These managerial competencies in complex organizations are strongly related to the capacity to engage professionals as a predictor of high-performing organizations. PURPOSE: The aim of this study was to investigate the relationship between top management competencies, information sharing, and organizational performance in public health care system and to look at the management role in assuring information sharing on organizational strategies to achieve professionals' engagement...
April 26, 2017: Health Care Management Review
https://www.readbyqxmd.com/read/28448185/addition-of-spironolactone-in-patients-with-resistant-hypertension-a-meta-analysis-of-randomized-controlled-trials
#11
Liping Liu, Bing Xu, Yunfeng Ju
This study was designed to assess the effect of additional spironolactone on blood pressure in patients with resistant hypertension. MEDLINE, EMBASE, and Cochrane Library were searched to identify randomized controlled trials (RCTs) that determined the effect of add-on spironolactone on blood pressure in patients with resistant hypertension compared with a control group. A total of five RCTs met the inclusion criteria. Spironolactone reduced office systolic blood pressure (SBP) by 15.73 mmHg (95% CI -20.45 to -11...
2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/28447898/splenic-epstein-barr-virus-associated-inflammatory-pseudotumor
#12
Chris Van Baeten, Jo Van Dorpe
Splenic inflammatory pseudotumor (IPT) is an uncommon lesion with an inflammatory morphologic aspect that often poses a diagnostic challenge. The etiology of IPT can be infectious, autoimmune, reactive, or neoplastic. Splenic Epstein-Barr virus (EBV)-associated IPTs form a subset of splenic IPTs in which there is a spindle cell component infected by EBV. The best characterized and most frequent subgroup of splenic EBV-associated IPT is IPT-like follicular dendritic cell tumor. This review also focusses on EBV-associated splenic IPTs without follicular dendritic cell marker expression...
May 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28447592/the-phantom-derivative-method-when-a-structure-model-is-available-about-its-theoretical-basis
#13
Maria Cristina Burla, Giovanni Luca Cascarano, Carmelo Giacovazzo, Giampiero Polidori
This study clarifies why, in the phantom derivative (PhD) approach, randomly created structures can help in refining phases obtained by other methods. For this purpose the joint probability distribution of target, model, ancil and phantom derivative structure factors and its conditional distributions have been studied. Since PhD may use n phantom derivatives, with n ≥ 1, a more general distribution taking into account all the ancil and derivative structure factors has been considered, from which the conditional distribution of the target phase has been derived...
May 1, 2017: Acta Crystallographica. Section A, Foundations and Advances
https://www.readbyqxmd.com/read/28447384/alpha-lipoic-acid-an-inimitable-feed-supplement-for-poultry-nutrition
#14
REVIEW
M Sohaib, F M Anjum, M Nasir, F Saeed, M S Arshad, S Hussain
Alpha-lipoic acid (ALA) is a multifunction antioxidant that is produced in small amount by cells as well as its dietary provision facilitates fatty acid mobilization, energy expenditure as well as can scavenge free radicals in poultry birds. It exists in oxidized as well as reduced form, characterized by growth promoting, anti-inflammatory, antioxidative, immunostimulatory, and hypocholesterolemic properties when fed as dietary supplement to farm animals particularly chicken birds. Recently, several studies reported that dietary supplementation of ALA can influence growth performance indicators, immunological, biochemical characteristics, lipid metabolism, and oxidative stress as well as increase antioxidant potential and storability of poultry meat and meat products...
April 26, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28446905/okara-a-nutritionally-valuable-by-product-able-to-stabilize-lactobacillus-plantarum-during-freeze-drying-spray-drying-and-storage
#15
Gabriel Quintana, Esteban Gerbino, Andrea Gómez-Zavaglia
Okara is a nutritionally valuable by-product produced in large quantities as result of soymilk elaboration. This work proposes its use as both culture and dehydration medium during freeze-drying, spray-drying, and storage of Lactobacillus plantarum CIDCA 83114. Whole and defatted okara were employed as culture media for L. plantarum CIDCA 83114. The growth kinetics were followed by plate counting and compared with those of bacteria grown in MRS broth (control). No significant differences in plate counting were observed in the three media...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28446864/neural-entrainment-to-polyrhythms-a-comparison-of-musicians-and-non-musicians
#16
Jan Stupacher, Guilherme Wood, Matthias Witte
Music can be thought of as a dynamic path over time. In most cases, the rhythmic structure of this path, such as specific sequences of strong and weak beats or recurring patterns, allows us to predict what and particularly when sounds are going to happen. Without this ability we would not be able to entrain body movements to music, like we do when we dance. By combining EEG and behavioral measures, the current study provides evidence illustrating the importance of ongoing neural oscillations at beat-related frequencies-i...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28446778/tumor-necrosis-factor-prevents-candida-albicans-biofilm-formation
#17
Francisco Airton Castro Rocha, Anelise Maria Costa Vasconcelos Alves, Marcos Fábio Gadelha Rocha, Rossana de Aguiar Cordeiro, Raimunda Sâmia Nogueira Brilhante, Ana Carolina Matias Dinelly Pinto, Rodolfo de Melo Nunes, Virgínia Cláudia Carneiro Girão, José Julio Costa Sidrim
Candida species are commensals but some develop biofilms in prosthetic materials and host surfaces that may represent up to 30% of deaths related to infections, particularly in immunosuppressed patients. Tumor necrosis factor (TNF) exhibits a plethora of functions in host defense mechanisms whereas excessive release of TNF in inflammation promotes tissue damage. Cytokines released in an inflammatory milieu may influence the development of microorganisms either by promoting their growth or displaying antimicrobial activity...
April 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28446777/structural-investigations-on-orotate-phosphoribosyltransferase-from-mycobacterium-tuberculosis-a-key-enzyme-of-the-de-novo-pyrimidine-biosynthesis
#18
Stefano Donini, Davide M Ferraris, Riccardo Miggiano, Alberto Massarotti, Menico Rizzi
The Mycobacterium tuberculosis orotate phosphoribosyltransferase (MtOPRT) catalyses the conversion of α-D-5-phosphoribosyl-1-pyrophosphate (PRPP) and orotate (OA) in pyrophosphate and orotidine 5'-monophosphate (OMP), in presence of Mg(2+). This enzyme is the only responsible for the synthesis of orotidine 5'-monophosphate, a key precursor in the de novo pyrimidine biosynthesis pathway, making MtOPRT an attractive drug target for the development of antitubercular agents. We report the crystal structures of MtOPRT in complex with PRPP (2...
April 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28446734/iron-deficiency-and-anemia-in-heart-failure
#19
Yüksel Çavuşoğlu, Hakan Altay, Mustafa Çetiner, Tolga Sinan Güvenç, Ahmet Temizhan, Dilek Ural, Dilek Yeşilbursa, Nesligül Yıldırım, Mehmet Birhan Yılmaz
Heart failure is an important community health problem. Prevalence and incidence of heart failure have continued to rise over the years. Despite recent advances in heart failure therapy, prognosis is still poor, rehospitalization rate is very high, and quality of life is worse. Co-morbidities in heart failure have negative impact on clinical course of the disease, further impair prognosis, and add difficulties to treatment of clinical picture. Therefore, successful management of co-morbidities is strongly recommended in addition to conventional therapy for heart failure...
March 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28446678/differential-involvement-during-latent-hsv-1-infection-of-the-superior-and-inferior-divisions-of-the-vestibular-ganglia-implications-for-vestibular-neuritis
#20
Susanne Himmelein, Anja Lindemann, Inga Sinicina, Anja K E Horn, Thomas Brandt, Michael Strupp, Katharina Hüfner
Controversy still surrounds both the etiology and pathophysiology of vestibular neuritis (VN). Especially uncertain is why the superior vestibular nerve (SVN) is more frequently affected than the inferior part (IVN), which is partially or totally spared. To address this question we developed an improved method for preparing human vestibular ganglia (VG) and nerve. Subsequently macro- and micro-anatomical as well as PCR studies were performed on 38 human ganglia from 38 individuals. The SVN was 2.4 mm longer than the IVN, and in 65% of the cases the IVN ran in two separate bony canals, which was not the case for the SVN...
April 26, 2017: Journal of Virology
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