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https://www.readbyqxmd.com/read/29159788/the-fight-against-tuberculosis-in-the-mid-nineteenth-century-the-pivotal-contribution-of-edoardo-maragliano-1849-1940
#1
Mariano Martini, Ilaria Barberis, Nicola Luigi Bragazzi, Filippo Paluan
The second half of the nineteenth century saw the development of new medical "specialties", which, like the idea of constitutional disease, had a profound influence on medical practice. Against this lively "backdrop", Edoardo Maragliano played a central role in medicine's "renaissance" in Italy. Having graduated in medicine in 1870 at the University of Naples, he worked as an assistant in the University Medical Clinic. After beginning his academic career as professor of pathology at the Faculty of Medicine in Genoa in 1877, he became full professor of internal medicine in 1881...
November 21, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29155907/surface-fe-vacancy-defects-on-haematite-and-their-role-in-light-induced-water-splitting-in-artificial-photosynthesis
#2
Fabio Ribeiro Negreiros, Luana Sucupira Pedroza, Flavio Leandro Souza, Gustavo Martini Dalpian
Haematite (α-Fe2O3) is a potential candidate for photo-electrochemical water splitting. It is abundant and its electronic properties fit those needed for this kind of device. However, very little is known about the intermediate steps of this photon-induced water splitting process. We propose here that surface iron vacancies can be the main defects responsible for the activity of haematite in the photoelectrochemical reaction. We perform DFT+U calculations and explicitly add holes to show that these defects are common in iron-terminated (0001) surfaces...
November 20, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/29147509/composition-driven-cu-speciation-and-reducibility-in-cu-cha-zeolite-catalysts-a-multivariate-xas-ftir-approach-to-complexity
#3
A Martini, E Borfecchia, K A Lomachenko, I A Pankin, C Negri, G Berlier, P Beato, H Falsig, S Bordiga, C Lamberti
The small pore Cu-CHA zeolite is attracting increasing attention as a versatile platform to design novel single-site catalysts for deNO x applications and for the direct conversion of methane to methanol. Understanding at the atomic scale how the catalyst composition influences the Cu-species formed during thermal activation is a key step to unveil the relevant composition-activity relationships. Herein, we explore by in situ XAS the impact of Cu-CHA catalyst composition on temperature-dependent Cu-speciation and reducibility...
October 1, 2017: Chemical Science
https://www.readbyqxmd.com/read/29144135/parameterization-of-palmitoylated-cysteine-farnesylated-cysteine-geranylgeranylated-cysteine-and-myristoylated-glycine-for-the-martini-force-field
#4
Yoav Atsmon-Raz, D Peter Tieleman
Peripheral membrane proteins go through various post-translational modifications that covalently bind fatty acid tails to specific amino acids. These post translational modifications significantly alter the lipophilicity of the modified proteins and allow them to anchor to biological membranes. Over 1000 different proteins have been identified to date that require such membrane-protein interactions in order to carry out their biological functions, including members of the Src and Ras superfamilies that play key roles in cell signaling and carcinogenesis...
November 16, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/29143799/effect-of-a-partially-hydrolysed-whey-infant-formula-supplemented-with-starch-and-lactobacillus-reuteri-dsm-17938-on-regurgitation-and-gastric-motility
#5
Flavia Indrio, Giuseppe Riezzo, Paola Giordano, Maria Ficarella, Maria Paola Miolla, Silvia Martini, Luigi Corvaglia, Ruggiero Francavilla
Functional regurgitation (FR) is common in early infancy and represents a major drain on healthcare resources. This double-blind, randomized controlled trial investigated the effects of a formula containing partially hydrolysed, 100% whey protein, starch and Lactobacillus reuteri (DSM 17938) on gastric emptying rate (GErate) and regurgitation frequency in infants with FR. Enrolled infants were randomly allocated to receive either the test formula or a standard starter formula for four weeks. Ultrasound GErate assessment was performed at baseline (week 0) and at week 4; the number of regurgitations, feed volumes and potential adverse events were recorded in a daily diary...
October 28, 2017: Nutrients
https://www.readbyqxmd.com/read/29143449/osteoinductivity-of-nanostructured-hydroxyapatite-functionalized-gelatin-modulated-by-human-and-endogenous-mesenchymal-stromal-cells
#6
E Della Bella, A Parrilli, A Bigi, S Panzavolta, S Amadori, G Giavaresi, L Martini, V Borsari, M Fini
The demand of new strategies for the induction of bone regeneration is continuously increasing. Biomimetic porous gelatin-nanocrystalline hydroxyapatite scaffolds with tailored properties were previously developed, showing a positive response in terms of cell adhesion, proliferation, and differentiation. In the present paper, we focused on their osteoinductive properties. The effect of scaffolds on osteogenic differentiation of human mesenchymal stromal cells (hMSCs) was investigated in vitro. hMSCs were seeded on GEL (type A gelatin) and GEL containing 10wt% hydroxyapatite (GEL-HA) and cultured in osteogenic medium...
November 16, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/29140521/prevalence-of-catatonia-and-its-moderators-in-clinical-samples-results-from-a-meta-analysis-and-meta-regression-analysis
#7
Marco Solmi, G Giorgio Pigato, Beatrice Roiter, Argentina Guaglianone, Luca Martini, Michele Fornaro, Francesco Monaco, Andrè F Carvalho, Brendon Stubbs, Nicola Veronese, Christoph U Correll
Catatonia is an independent syndrome that co-occurs with several mental and medical conditions. We performed a systematic literature review in PubMed/Scopus until February 2017 and meta-analyzed studies reporting catatonia prevalence. Across 74 studies (cross-sectional = 32, longitudinal = 26, retrospective = 16) providing data collected from 1935 to 2017 across all continents, mean catatonia prevalence was 9.0% (k = 80, n = 110764; 95% CI = 6.9-11.7, I2 = 98%, publication bias P < .01), decreasing to 7...
November 13, 2017: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/29138307/microdiversity-of-an-abundant-terrestrial-bacterium-encompasses-extensive-variation-in-ecologically-relevant-traits
#8
Alexander B Chase, Ulas Karaoz, Eoin L Brodie, Zulema Gomez-Lunar, Adam C Martiny, Jennifer B H Martiny
Much genetic diversity within a bacterial community is likely obscured by microdiversity within operational taxonomic units (OTUs) defined by 16S rRNA gene sequences. However, it is unclear how variation within this microdiversity influences ecologically relevant traits. Here, we employ a multifaceted approach to investigate microdiversity within the dominant leaf litter bacterium, Curtobacterium, which comprises 7.8% of the bacterial community at a grassland site undergoing global change manipulations. We use cultured bacterial isolates to interpret metagenomic data, collected in situ over 2 years, together with lab-based physiological assays to determine the extent of trait variation within this abundant OTU...
November 14, 2017: MBio
https://www.readbyqxmd.com/read/29138058/the-diagnostic-value-and-histologic-correlate-of-distinct-patterns-of-shiny-white-streaks-for-the-diagnosis-of-melanoma-a-retrospective-case-control-study
#9
Anna Eliza Verzi, Victor L Quan, Kara Walton, Mary C Martini, Ashfaq A Marghoob, Erin M Garfield, Betty Kong, Maria Cristina Isales, Timothy VandenBoom, Bin Zhang, Dennis West, Pedram Gerami
BACKGROUND: Shiny white streaks (SWS) are best visualized with polarized dermoscopy, and correlate with dermal fibroplasia histopathologically. SWS have been described at higher frequencies in melanomas than benign nevi. OBJECTIVE: We assessed the diagnostic value of different patterns of SWS and their histologic correlate in melanocytic lesions. METHODS: Polarized dermoscopic images of 1507 histopathologically diagnosed melanocytic neoplasms were analyzed for presence and pattern of SWS...
November 11, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29137301/antitumor-efficacy-of-triple-monoclonal-antibody-inhibition-of-epidermal-growth-factor-receptor-egfr-with-mm151-in-egfr-dependent-and-in-cetuximab-resistant-human-colorectal-cancer-cells
#10
Stefania Napolitano, Giulia Martini, Erika Martinelli, Carminia Maria Della Corte, Floriana Morgillo, Valentina Belli, Claudia Cardone, Nunzia Matrone, Fortunato Ciardiello, Teresa Troiani
Purpose: We investigated the effect of triple monoclonal antibody inhibition of EGFR to overcome acquired resistance to first generation of anti-EGFR inhibitors. Experimental design: MM151 is a mixture of three different monoclonal IgG1 antibodies directed toward three different, non-overlapping, epitopes of the EGFR. We performed an in vivo study by using human CRC cell lines (SW48, LIM 1215 and CACO2) which are sensitive to EGFR inhibitors, in order to evaluate the activity of MM151 as compared to standard anti-EGFR mAbs, such as cetuximab, as single agent or in a sequential strategy of combination MM151 with irinotecan (induction therapy) followed by MM151 with a selective MEK1/2 inhibitor (MEKi) (maintenance therapy)...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29131844/excessive-aggregation-of-membrane-proteins-in-the-martini-model
#11
Matti Javanainen, Hector Martinez-Seara, Ilpo Vattulainen
The coarse-grained Martini model is employed extensively to study membrane protein oligomerization. While this approach is exceptionally promising given its computational efficiency, it is alarming that a significant fraction of these studies demonstrate unrealistic protein clusters, whose formation is essentially an irreversible process. This suggests that the protein-protein interactions are exaggerated in the Martini model. If this held true, then it would limit the applicability of Martini to study multi-protein complexes, as the rapidly clustering proteins would not be able to properly sample the correct dimerization conformations...
2017: PloS One
https://www.readbyqxmd.com/read/29130972/human-dendritic-cells-with-th2-polarizing-capacity-analysis-using-label-free-quantitative-proteomics
#12
Leonie Hussaarts, Maria Mardalena Martini Kaisar, Arzu Tugce Guler, Hans Dalebout, Bart Everts, André M Deelder, Magnus Palmblad, Maria Yazdanbakhsh
BACKGROUND: Dendritic cells (DCs) are the sentinels of the immune system. Upon recognition of a pathogen, they mature and migrate to draining lymph nodes to prime and polarize T cell responses. Although it is known that helminths and helminth-derived molecules condition DCs to polarize T helper (Th) cells towards Th2, the underlying mechanisms remain incompletely understood. OBJECTIVES: The aim of this study was to conduct a proteome analysis of helminth antigen-stimulated DCs in order to gain more insight into the cellular processes associated with their ability to polarize immune responses...
November 10, 2017: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/29125291/identification-of-a-new-pyrazolo-1-5-a-quinazoline-ligand-highly-affine-to-%C3%AE-aminobutyric-type-a-gabaa-receptor-subtype-with-anxiolytic-like-and-antihyperalgesic-activity
#13
Gabriella Guerrini, Giovanna Ciciani, Letizia Crocetti, Simona Daniele, Carla Ghelardini, Maria Paola Giovannoni, Antonella Iacovone, Lorenzo Di Cesare Mannelli, Claudia Martini, Claudia Vergelli
Compounds that can act on GABAA receptor subtype in selective manner, without the side effects of classical benzodiazepine ligands, represent promising therapeutic tools in neurological disorder, as well as for relief of pain or in comorbidity of anxiety states and depression. Continuing our research on GABAA receptor subtype ligands, here is reported the synthesis of a series of pyrazolo[1,5-a]quinazoline 3 and/or 8 substituted as 5-deaza analogues of previous reported pyrazolo[5,1-c][1,2,4]benzotriazine, already identified as selective GABAA receptor subtype ligands endowed with anxiolytic-like and antihyperalgesic action or enhancer cognition...
November 10, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29123505/staphylococcus-aureus-in-some-brazilian-dairy-industries-changes-of-contamination-and-diversity
#14
Karen K Dittmann, Luíza T Chaul, Sarah H I Lee, Carlos H Corassin, Carlos A Fernandes de Oliveira, Elaine C Pereira De Martinis, Virgínia F Alves, Lone Gram, Virginie Oxaran
Staphylococcus aureus, a major food-poisoning pathogen, is a common contaminant in dairy industries worldwide, including in Brazil. We determined the occurrence of S. aureus in five dairies in Brazil over 8 months. Of 421 samples, 31 (7.4%) were positive for S. aureus and prevalence varied from 0 to 63.3% between dairies. Sixty-six isolates from the 31 samples were typed by Multi-Locus Sequence Typing to determine if these isolates were persistent or continuously reintroduced. Seven known sequence types (STs), ST1, ST5, ST30, ST97, ST126, ST188 and ST398, and four new ST were identified, ST3531, ST3540, ST3562 and ST3534...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29123181/carnosol-controls-the-human-glioblastoma-stemness-features-through-the-epithelial-mesenchymal-transition-modulation-and-the-induction-of-cancer-stem-cell-apoptosis
#15
Chiara Giacomelli, Simona Daniele, Letizia Natali, Caterina Iofrida, Guido Flamini, Alessandra Braca, M Letizia Trincavelli, Claudia Martini
A high cell proliferation rate, invasiveness and resistance to chemotherapy are the main features of glioblastoma (GBM). GBM aggressiveness has been widely associated both with a minor population of cells presenting stem-like properties (cancer stem-like cells, CSCs) and with the ability of tumor cells to acquire a mesenchymal phenotype (epithelial-mesenchymal transition, EMT). Carnosol (CAR), a natural inhibitor of MDM2/p53 complex, has been attracted attention for its anti-cancer effects on several tumor types, including GBM...
November 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29121975/the-pocket-4-life-project-bioavailability-and-beneficial-properties-of-the-bioactive-compounds-of-espresso-coffee-and-cocoa-based-confectionery-containing-coffee-study-protocol-for-a-randomized-cross-over-trial
#16
Pedro Mena, Michele Tassotti, Daniela Martini, Alice Rosi, Furio Brighenti, Daniele Del Rio
BACKGROUND: Coffee is an important source of bioactive compounds, including caffeine, phenolic compounds (mainly chlorogenic acids), trigonelline, and diterpenes. Several studies have highlighted the preventive effects of coffee consumption on major cardiometabolic diseases, but the impact of coffee dosage on markers of cardiometabolic risk is not well understood. Moreover, the pool of coffee-derived circulating metabolites and the contribution of each metabolite to disease prevention still need to be evaluated in real-life settings...
November 9, 2017: Trials
https://www.readbyqxmd.com/read/29120391/cytotoxicity-of-labruscol-a-new-resveratrol-dimer-produced-by-grapevine-cell-suspensions-on-human-skin-melanoma-cancer-cell-line-ht-144
#17
Laetitia Nivelle, Jane Hubert, Eric Courot, Nicolas Borie, Jean-Hugues Renault, Jean-Marc Nuzillard, Dominique Harakat, Christophe Clément, Laurent Martiny, Dominique Delmas, Philippe Jeandet, Michel Tarpin
A new resveratrol dimer (1) called labruscol, has been purified by centrifugal partition chromatography of a crude ethyl acetate stilbene extract obtained from elicited grapevine cell suspensions of Vitis labrusca L. cultured in a 14-liter stirred bioreactor. One dimensional (1D) and two dimensional (2D) nuclear magnetic resonance (NMR) analyses including ¹H, (13)C, heteronuclear single-quantum correlation (HSQC), heteronuclear multiple bond correlation (HMBC), and correlation spectroscopy (COSY) as well as high-resolution electrospray ionisation mass spectrometry (HR-ESI-MS) were used to characterize this compound and to unambiguously identify it as a new stilbene dimer, though its relative stereochemistry remained unsolved...
November 9, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29119761/-mortality-of-immigrants-in-tuscany-region-central-italy-1997-2013
#18
Nawal Dakka, Andrea Martini, Lucia Giovannetti, Elisabetta Chellini
OBJECTIVES: to evaluate mortality in immigrants dwelling in Tuscany Region (Central Italy) compared to mortality data relating to the Italian population residing in the same region. DESIGN: cross-sectional descriptive mortality study relying on a unique data source, i.e., the Regional Mortality Registry of Tuscany, for the period 1997-2013. SETTING AND PARTICIPANTS: in the analysis, immigrants residing in Tuscany were included; Italian residing in the same region were the comparison population...
September 2017: Epidemiologia e Prevenzione
https://www.readbyqxmd.com/read/29119257/risky-decision-making-and-affective-features-of-impulse-control-disorders-in-parkinson-s-disease
#19
Alice Martini, Simon J Ellis, James A Grange, Stefano Tamburin, Denise Dal Lago, Greta Vianello, Nicola M J Edelstyn
Impulse control disorders (ICDs) in Parkinson's disease (PD) are considered dopaminergic treatment side effects. Cognitive and affective factors may increase the risk of ICD in PD. The aim is to investigate risky decision-making and associated cognitive processes in PD patients with ICDs within a four-stage conceptual framework. Relationship between ICDs and affective factors was explored. Thirteen PD patients with ICD (ICD+), 12 PD patients without ICD (ICD-), and 17 healthy controls were recruited. Overall risky decision-making and negative feedback effect were examined with the Balloon Analogue Risk Task (BART)...
November 8, 2017: Journal of Neural Transmission
https://www.readbyqxmd.com/read/29117827/tuberculosis-of-the-elbow-region-in-pediatric-age-group-experiences-from-a-single-centre
#20
Anil Agarwal, Anuj Rastogi
BACKGROUND: Clinical series of tuberculosis of elbow region in children are few. The purpose of our study was to retrospectively review the presentation, healing response and functional results of 30 children. METHODS: The pretreatment disease presentation was studied from patient's case records. Serial radiographs of the patients were studied to see remineralization and healing of radiological lesions. For elbow's functional evaluation, pain, range of motion and recurrence were observed at final follow up...
December 2017: Journal of Hand Surgery Asian-Pacific Volume
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