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https://www.readbyqxmd.com/read/29783124/neural-organization-of-ventral-white-matter-tracts-parallels-the-initial-steps-of-reading-development-a-dti-tractography-study
#1
Jolijn Vanderauwera, Astrid De Vos, Stephanie J Forkel, Marco Catani, Jan Wouters, Maaike Vandermosten, Pol Ghesquière
Insight in the developmental trajectory of the neuroanatomical reading correlates is important to understand related cognitive processes and disorders. In adults, a dual pathway model has been suggested encompassing a dorsal phonological and a ventral orthographic white matter system. This dichotomy seems not present in pre-readers, and the specific role of ventral white matter in reading remains unclear. Therefore, the present longitudinal study investigated the relation between ventral white matter and cognitive processes underlying reading in children with a broad range of reading skills (n = 61)...
May 18, 2018: Brain and Language
https://www.readbyqxmd.com/read/29783102/strain-analysis-from-nano-beam-electron-diffraction-influence-of-specimen-tilt-and-beam-convergence
#2
Tim Grieb, Florian F Krause, Marco Schowalter, Dennis Zillmann, Roman Sellin, Knut Müller-Caspary, Christoph Mahr, Thorsten Mehrtens, Dieter Bimberg, Andreas Rosenauer
Strain analyses from experimental series of nano-beam electron diffraction (NBED) patterns in scanning transmission electron microscopy are performed for different specimen tilts. Simulations of NBED series are presented for which strain analysis gives results that are in accordance with experiment. This consequently allows to study the relation between measured strain and actual underlying strain. A two-tilt method which can be seen as lowest-order electron beam precession is suggested and experimentally implemented...
April 12, 2018: Ultramicroscopy
https://www.readbyqxmd.com/read/29782823/changing-the-site-energy-of-per-614-in-the-peridinin-chlorophyll-a-protein-does-not-alter-its-capability-of-chlorophyll-triplet-quenching
#3
Alessandro Agostini, Jens Niklas, Tim Schulte, Marilena Di Valentin, Marco Bortolus, Eckhard Hofmann, Wolfgang Lubitz, Donatella Carbonera
The peridinin-chlorophyll-a protein (PCP) is a water-soluble light harvesting protein of the dinoflagellate Amphidinium carterae, employing peridinin (Per) as the main carotenoid to fulfil light harvesting and photo-protective functions. Per molecules bound to the protein experience specific molecular surroundings which lead to different electronic and spectral properties. In the refolded N89 L variant PCP (N89 L-RFPCP) a significant part of the intensity on the long wavelength side of the absorption spectrum is shifted to shorter wavelengths due to a significant change in the Per-614 site energy...
May 18, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29782670/surface-enhanced-chiroptical-spectroscopy-with-superchiral-surface-waves
#4
Giovanni Pellegrini, Marco Finazzi, Michele Celebrano, Lamberto Duò, Paolo Biagioni
No abstract text is available yet for this article.
May 21, 2018: Chirality
https://www.readbyqxmd.com/read/29782551/structural-insights-on-the-efficient-catalysis-of-hydroperoxide-reduction-by-ohr-crystallographic-and-molecular-dynamics-approaches
#5
Erika Piccirillo, Thiago G P Alegria, Karen F Discola, José R R Cussiol, Renato M Domingos, Marcos A de Oliveira, Leandro de Rezende, Luis E S Netto, Antonia T-do Amaral
Organic hydroperoxide resistance (Ohr) enzymes are highly efficient Cys-based peroxidases that play central roles in bacterial response to fatty acid hydroperoxides and peroxynitrite, two oxidants that are generated during host-pathogen interactions. In the active site of Ohr proteins, the conserved Arg (Arg19 in Ohr from Xylella fastidiosa) and Glu (Glu51 in Ohr from Xylella fastidiosa) residues, among other factors, are involved in the extremely high reactivity of the peroxidatic Cys (Cp) toward hydroperoxides...
2018: PloS One
https://www.readbyqxmd.com/read/29782537/changes-in-the-vibration-sensitivity-and-pressure-pain-thresholds-in-patients-with-burning-mouth-syndrome
#6
Brenda de Souza Moura, Natália Dos Reis Ferreira, Marcos F DosSantos, Maria Elisa Rangel Janini
OBJECTIVE: To investigate the presence of changes in vibration detection and pressure pain threshold in patients with burning-mouth syndrome (BMS). DESIGN OF THE STUDY: Case-control study. The sample was composed of 30 volunteers, 15 with BMS and 15 in the control group. The pressure-pain threshold (PPT) and vibration-detection threshold (VDT) were examined. The clinical evaluation was complemented with the McGill Pain Questionnaire (MPQ), Douleur Neuropathique 4 (DN4) and Beck Depression and Anxiety Inventories (BDI and BAI, respectively)...
2018: PloS One
https://www.readbyqxmd.com/read/29782471/new-approach-in-acne-therapy-a-specific-bacteriocin-activity-and-a-targeted-anti-il-8-property-in-just-1-probiotic-strain-the-l-salivarius-ls03
#7
Francesca Deidda, Angela Amoruso, Stefania Nicola, Teresa Graziano, Marco Pane, Luca Mogna
GOALS: The aim of this research was to assess the antibacterial activity of Lactobacillus salivarius LS03 (DSM 22776) against Propionibacterium acnes and its anti-inflammatory properties by inhibiting P. acnes-induced interleukin-8 (IL-8) release. BACKGROUND: Acne is the most common skin disease, causing significant psychosocial problems for those afflicted. Currently available agents for acne treatment, such as oral antibiotics, have limited use. Thus, development of novel agents to treat this disease is needed...
May 18, 2018: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/29782468/potential-role-of-gut-microbiota-in-als-pathogenesis-and-possible-novel-therapeutic-strategies
#8
Letizia Mazzini, Luca Mogna, Fabiola De Marchi, Angela Amoruso, Marco Pane, Irene Aloisio, Nicole Bozzi Cionci, Francesca Gaggìa, Ausiliatrice Lucenti, Enrica Bersano, Roberto Cantello, Diana Di Gioia, Giovanni Mogna
BACKGROUND: Recent preclinical studies suggest that dysfunction of gastrointestinal tract may play a role in amyotrophic lateral sclerosis (ALS) pathogenesis through a modification of the gut microbiota brain axis. Our study is the first focused on microbiota analysis in ALS patients. AIM: Our aim was to study the main human gut microbial groups and the overall microbial diversity in ALS and healthy subjects. Moreover we have examined the influence of a treatment with a specific bacteriotherapy composed of Lactobacillus strains (Lactobacillus fermentum, Lactobacillus delbrueckii, Lactobacillus plantarum, Lactobacillus salivarius) acting on the gastrointestinal barrier...
May 18, 2018: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/29782463/gut-microbiota-probiotics-and-sport-from-clinical-evidence-to-agonistic-performance
#9
Marco Pane, Angela Amoruso, Francesca Deidda, Teresa Graziano, Serena Allesina, Luca Mogna
Human beings harbor clusters of bacteria in different parts of the body, such as the surface or the deep layers of the skin, the mouth, the lungs, the intestine, the vagina, and all the surfaces exposed to the outer world. The majority of microbes resides in the gut, have a weighty influence on human physiology and nutrition and are vital for human life. There is growing evidence showing that the gut microbiota plays important roles in the maturation of the immune system and the protection against some infectious agents...
May 18, 2018: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/29782393/clinical-and-prognostic-value-of-18f-fdg-pet-ct-in-restaging-of-pancreatic-cancer
#10
Domenico Albano, Demetrio Familiari, Roberta Gentile, Salvatore Scalisi, Federico Midiri, Marco Messina, Massimiliano Spada, Maria C Fornito, Massimo Galia, Massimo Midiri, Pierpaolo Alongi
AIM: The aim of this retrospective multicentre study was to evaluate the clinical and prognostic effect of fluorine-18-fluorodeoxyglucose (F-FDG)-PET/computed tomography (CT) in the restaging process of pancreatic cancer (PC). MATERIALS AND METHODS: Data from patients treated for primary PC, who underwent F-FDG-PET/CT for suspicious of disease progression, were collected. Accuracy was assessed employing conventional diagnostic procedures, multidisciplinary team case notes, further F-FDG-PET/CT scans and/or follow-up...
May 18, 2018: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/29782330/a-transgenic-mouse-model-for-hla-b-57-01-linked-abacavir-drug-tolerance-and-reactivity
#11
Marco Cardone, Karla Garcia, Mulualem E Tilahun, Lisa F Boyd, Sintayehu Gebreyohannes, Masahide Yano, Gregory Roderiquez, Adovi D Akue, Leslie Juengst, Elliot Mattson, Suryatheja Ananthula, Kannan Natarajan, Montserrat Puig, David H Margulies, Michael A Norcross
Adverse drug reactions (ADRs) are a major obstacle to drug development, and some of these, including hypersensitivity reactions to the HIV reverse transcriptase inhibitor abacavir (ABC), are associated with HLA alleles, particularly HLA-B*57:01. However, not all HLA-B*57:01+ patients develop ADRs, suggesting that in addition to the HLA genetic risk, other factors may influence the outcome of the response to the drug. To study HLA-linked ADRs in vivo, we generated HLA-B*57:01-Tg mice and show that, although ABC activated Tg mouse CD8+ T cells in vitro in a HLA-B*57:01-dependent manner, the drug was tolerated in vivo...
May 21, 2018: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29782139/obstetric-outcomes-after-fresh-versus-frozen-thawed-embryo-transfers-a-systematic-review-and-meta-analysis
#12
Matheus Roque, Marcello Valle, Marcos Sampaio, Selmo Geber
OBJECTIVE: To evaluate if there are differences in the risks of obstetric outcomes in IVF/ICSI singleton pregnancies when compared fresh to frozen-thawed embryo transfers (FET). METHODS: This was a systematic review and meta-analysis evaluating the obstetric outcomes in singleton pregnancies after FET and fresh embryo transfer. The outcomes included in this study were pregnancy-induced hypertension (PIH), pre-eclampsia, placenta previa, and placenta accreta. RESULTS: The search yielded 654 papers, 6 of which met the inclusion criteria and reported on obstetric outcomes...
May 21, 2018: JBRA Assisted Reproduction
https://www.readbyqxmd.com/read/29781934/absolute-reliability-and-concurrent-validity-of-the-stryd-system-for-the-assessment-of-running-stride-kinematics-at-different-velocities
#13
Felipe García-Pinillos, Luis E Roche-Seruendo, Noel Marcén-Cinca, Luis A Marco-Contreras, Pedro A Latorre-Román
García-Pinillos, F, Roche-Seruendo, LE, Marcen-Cinca, N, Marco-Contreras, LA, and Latorre-Román, PA. Absolute reliability and concurrent validity of the Stryd system for the assessment of running stride kinematics at different velocities. J Strength Cond Res XX(X): 000-000, 2018-This study aimed to determine the absolute reliability and to evaluate the concurrent validity of the Stryd system for measuring spatiotemporal variables during running at different velocities (8-20 km·h) by comparing data with another widely used device (the OptoGait system)...
May 17, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29781626/on-selecting-evidence-to-test-hypotheses-a-theory-of-selection-tasks
#14
Marco Ragni, Ilir Kola, Philip N Johnson-Laird
How individuals choose evidence to test hypotheses is a long-standing puzzle. According to an algorithmic theory that we present, it is based on dual processes: individuals' intuitions depending on mental models of the hypothesis yield selections of evidence matching instances of the hypothesis, but their deliberations yield selections of potential counterexamples to the hypothesis. The results of 228 experiments using Wason's selection task corroborated the theory's predictions. Participants made dependent choices of items of evidence: the selections in 99 experiments were significantly more redundant (using Shannon's measure) than those of 10,000 simulations of each experiment based on independent selections...
May 21, 2018: Psychological Bulletin
https://www.readbyqxmd.com/read/29781588/smoking-in-systemic-sclerosis-a-longitudinal-european-scleroderma-trials-and-research-group-study
#15
Veronika K Jaeger, Gabriele Valentini, Eric Hachulla, Franco Cozzi, Oliver Distler, Paolo Airó, Laszlo Czirják, Yannick Allanore, Elise Siegert, Edoardo Rosato, Marco Matucci-Cerinic, Cristian Caimmi, Jörg Henes, Patricia E Carreira, Vanessa Smith, Francesco Del Galdo, Christopher P Denton, Susanne Ullman, Ellen De Langhe, Valeria Riccieri, Juan J Alegre-Sancho, Simona Rednic, Ulf Müller-Ladner, Ulrich A Walker
OBJECTIVES: Data on the role of tobacco exposure in systemic sclerosis (SSc) severity and progression are scarce. We aimed to assess the effects of smoking on the evolution of pulmonary and skin manifestations in the EUSTAR database. METHODS: Adult SSc patients with data on smoking history and a 12-24 months follow-up visit were included. Associations of severity and progression of organ involvement with smoking history and the comprehensive smoking index (CSI) were assessed using multivariable regression analyses...
May 21, 2018: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29781581/brain-correlates-of-continuous-pain-in-rheumatoid-arthritis-as-measured-by-pulsed-arterial-spin-labeling
#16
Yvonne C Lee, Alexander Fine, Ekaterina Protsenko, Elena Massarotti, Robert R Edwards, Ishtiaq Mawla, Vitaly Napadow, Marco L Loggia
OBJECTIVE: Central nervous system pathways involving pain modulation shape the pain experience in patients with chronic pain. Our objectives were to understand the mechanisms underlying pain in rheumatoid arthritis (RA) and identify brain signals that may serve as imaging markers for developing targeted treatments for RA pain. METHODS: Subjects with RA and matched controls underwent functional magnetic resonance imaging, using pulsed arterial spin labeling (pASL)...
May 21, 2018: Arthritis Care & Research
https://www.readbyqxmd.com/read/29781555/dependence-on-others-for-oral-hygiene-and-its-association-with-hand-deformities-and-functional-impairment-in-elders-with-a-history-of-leprosy
#17
Raquel Conceição Ferreira, Talita Xavier Gonçalves, Anna Rachel Dos Santos Soares, Luísa Rodrigues de Abreu Carvalho, Fernanda Lamounier Campos, Marco Túlio de Freitas Ribeiro, Andrea Maria Eleutério de Barros Lima Martins, Efigênia Ferreira E Ferreira
OBJECTIVE: To analyse the frequency of dependence on others for oral hygiene and its association with hand deformities, frailty and dependence on others for basic activities of daily living (BADL) among elders with a history of leprosy. BACKGROUND: Dependence on others for oral hygiene has not been considered in multifunctional geriatric assessments. MATERIAL AND METHODS: Edentulous elders with a history of leprosy who used complete dentures and resided in a former leprosy colony were classified as independent or partially/completely dependent on others for brushing their dentures or rinsing and for BADL, and as frail or robust...
May 21, 2018: Gerodontology
https://www.readbyqxmd.com/read/29781370/re-treatment-of-an-unruptured-anterior-communicating-artery-aneurysm-using-the-new-pconus-2-device-description-of-a-case
#18
Marco Varrassi, Sergio Carducci, Aldo V Giordano, Carlo Masciocchi
Endovascular approach represents today the first option in treatment of ruptured and unruptured cerebral aneurysms. Nevertheless, wide-neck bifurcation aneurysms still represent a technical challenge for endovascular treatment due to the need to protect vessels arising next to the aneurysmal neck. A variety of devices have been implemented to ensure adequate assistance for coiling of these lesions. Among these devices, the new pCONus 2 represents an evolution of the well-known pCONus; compared to the previous one in fact, it allows a degree of articulation and flexibility between the shaft and the distal part (crown), making it more suitable for treatment of aneurysms presenting an angle between the longitudinal axis of the dome and parent vessel...
January 1, 2018: Interventional Neuroradiology
https://www.readbyqxmd.com/read/29781304/a-phytochemical-study-of-the-cuphea-glutinosa-from-southern-brazil-na-k-atpase-activity-inhibition-and-antioxidant-properties
#19
Adriana M Zago, Fabiano B Carvalho, Jessié Martins Gutierres, Crystiani Bohnert, Marilda da Cruz Fernandes, Liziane M Morandini, Helena S Coelho, Aline O Fogaça, Cinthia M Andrade, Marco A Mostardeiro, Ionara I Dalcol, Ademir F Morel
This study investigated the antioxidant activity of Cuphea glutinosa (CG) and its effect on Na+ , K+ -ATPase from cardiac muscle. The ethanolic extract showed higher antioxidant capacity compared to aqueous and ethyl acetate fraction. Ethyl acetate fraction showed β-sitosterol-3-O-β-glucoside, kaempferol, quercetin, isoquercetin, gallic acid methyl ester, and gallic acid. The ethanolic extract also reduced the Na+ ,K+ -ATPase activity. CG presented a promising antioxidant activity and inhibitory effect on the Na+ , K+ -ATPase activity, supporting biochemical evidences the popular use of this plant in the treatment of heart failure...
May 21, 2018: Natural Product Research
https://www.readbyqxmd.com/read/29781265/lymphocytic-variant-of-hypereosinophilic-syndrome-presenting-with-polymorphic-cutaneous-manifestations-and-nonspecific-histopathological-findings
#20
Marco Cusini, Alessio Pizzati, Giovanni Genovese, Simona Muratori, Giuseppina Schinco, Emilio Berti
No abstract text is available yet for this article.
May 16, 2018: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
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