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https://www.readbyqxmd.com/read/28350665/moderate-intensity-intermittent-external-volume-expansion-optimizes-the-soft-tissue-response-in-a-murine-model
#1
Giorgio Giatsidis, Liying Cheng, Federico Facchin, Anthony Haddad, Jorge Lujan-Hernandez, Luca Lancerotto, Christoph Gunther Nabzdyk, Hajime Matsumine, Dennis P Orgill
BACKGROUND: Intermittent external volume expansion using suction enhances the vascular network of soft tissues, possibly increasing fat graft survival. However, the optimal kinetics of application have not been determined. Based on their previous experience, the authors hypothesized that moderate-intensity intermittent external volume expansion application may further enhance both the angiogenic and adipogenic potential. METHODS: Fifty 12-week-old wild-type mice were assigned to five experimental groups (n = 10 per group) and underwent five different intermittent applications of external volume expansion (i...
April 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28350487/epidemiology-and-outcomes-of-lisfranc-injuries-identified-at-the-national-football-league-scouting-combine
#2
Kevin J McHale, Bryan G Vopat, Brendin R Beaulieu-Jones, George Sanchez, James M Whalen, Lucas S McDonald, Christopher W DiGiovanni, George H Theodore, Matthew T Provencher
BACKGROUND: Lisfranc injuries are challenging to treat and may have a detrimental effect on athletic performance. PURPOSE: (1) Determine the epidemiological characteristics of Lisfranc injuries at the annual National Football League (NFL) Scouting Combine, (2) define player positions at risk for these injuries, and (3) evaluate the impact that these injuries and radiographic findings have on NFL draft position and performance. STUDY DESIGN: Cohort study; Level of evidence, 3...
March 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28346937/in-crystal-reaction-cycle-of-a-toluene-bound-diiron-hydroxylase
#3
Justin F Acheson, Lucas J Bailey, Thomas C Brunold, Brian G Fox
Electrophilic aromatic substitution is one of the most important and recognizable classes of organic chemical transformation. Enzymes create the strong electrophiles that are needed for these highly energetic reactions by using O2, electrons, and metals or other cofactors. Although the nature of the oxidants that carry out electrophilic aromatic substitution has been deduced from many approaches, it has been difficult to determine their structures. Here we show the structure of a diiron hydroxylase intermediate formed during a reaction with toluene...
March 27, 2017: Nature
https://www.readbyqxmd.com/read/28346821/structure-activity-relationships-on-cynnamoyl-derivatives-as-inhibitors-of-p300-histone-acetyltransferase
#4
Valentina Noemi Madia, Rosaria Benedetti, Maria Letizia Barreca, Liza Ngo, Luca Pescatori, Antonella Messore, Giovanni Pupo, Francesco Saccoliti, Sergio Valente, Antonello Mai, Luigi Scipione, Yujun George Zheng, Cristina Tintori, Maurizio Botta, Violetta Cecchetti, Lucia Altucci, Roberto Di Santo, Roberta Costi
Human p300 is a polyhedric transcriptional coactivator, playing a crucial role by acetylating histones on specific lysine residues. A great deal of evidences shows that p300 is involved in several diseases as leukemia, tumors and viral infection. Its involvement in pleiotropic biological roles and connections to diseases provide the rationale as to how its modulation could represent an amenable drug target. Several p300 inhibitors (HATi) have been described so far, but all suffer from low potency, lack of specificity or low cell-permeability, highlighting the need to find more effective inhibitors...
March 27, 2017: ChemMedChem
https://www.readbyqxmd.com/read/28346716/vinylpyridines-as-building-blocks-for-the-photocatalyzed-synthesis-of-alkylpyridines
#5
Luca Capaldo, Maurizio Fagnoni, Davide Ravelli
The photocatalyzed addition of several hydrogen donors (ethers, aldehydes, alkanes, amides) onto vinylpyridines has been achieved. This approach gave access to alkylpyridines, important building blocks for the preparation of compounds having biological activity. The strategy is very simple and straightforward, since it requires only a small amount of a cheap decatungstate salt as the photocatalyst. As an added value, the reaction can be carried out under sunlight irradiation, as well as under flow conditions...
March 27, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28346509/systematic-identification-of-phosphorylation-mediated-protein-interaction-switches
#6
Matthew J Betts, Oliver Wichmann, Mathias Utz, Timon Andre, Evangelia Petsalaki, Pablo Minguez, Luca Parca, Frederick P Roth, Anne-Claude Gavin, Peer Bork, Robert B Russell
Proteomics techniques can identify thousands of phosphorylation sites in a single experiment, the majority of which are new and lack precise information about function or molecular mechanism. Here we present a fast method to predict potential phosphorylation switches by mapping phosphorylation sites to protein-protein interactions of known structure and analysing the properties of the protein interface. We predict 1024 sites that could potentially enable or disable particular interactions. We tested a selection of these switches and showed that phosphomimetic mutations indeed affect interactions...
March 27, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28346421/serpinb2-regulates-stromal-remodelling-and-local-invasion-in-pancreatic-cancer
#7
N L E Harris, C Vennin, J R W Conway, K L Vine, M Pinese, M J Cowley, R F Shearer, M C Lucas, D Herrmann, A H Allam, M Pajic, J P Morton, A V Biankin, M Ranson, P Timpson, D N Saunders
Pancreatic cancer has a devastating prognosis, with an overall 5-year survival rate of ~8%, restricted treatment options and characteristic molecular heterogeneity. SerpinB2 expression, particularly in the stromal compartment, is associated with reduced metastasis and prolonged survival in pancreatic ductal adenocarcinoma (PDAC) and our genomic analysis revealed that SERPINB2 is frequently deleted in PDAC. We show that SerpinB2 is required by stromal cells for normal collagen remodelling in vitro, regulating fibroblast interaction and engagement with collagen in the contracting matrix...
March 27, 2017: Oncogene
https://www.readbyqxmd.com/read/28345867/correction-to-recent-advances-in-the-analysis-of-single-cells
#8
Lucas Armbrecht, Petra S Dittrich
No abstract text is available yet for this article.
March 27, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28345362/mindfulness-based-movement
#9
Alexander R Lucas, Heidi D Klepin, Stephen W Porges, W Jack Rejeski
Compelling evidence suggests that physical activity is an effective intervention for cancer survivors, including for those undergoing active cancer treatments. However, to date most evidence has emerged from interventions that have promoted moderate to vigorous physical activity. In this conceptual review, we argue that attention should be given to the entire continuum of physical activity from reducing sedentary behavior to increasing higher levels of physical activity when possible. In addition, considerable evidence in the cancer literature supports the value of mindfulness-based interventions as a means of helping patients and survivors cope with the variety of threats that accompany this disease...
December 1, 2016: Integrative Cancer Therapies
https://www.readbyqxmd.com/read/28344857/metastatic-braf-k601e-mutated-melanoma-reaches-complete-response-to-mek-inhibitor-trametinib-administered-for-over-36%C3%A2-months
#10
Riccardo Marconcini, Luca Galli, Andrea Antonuzzo, Simona Bursi, Claudia Roncella, Gabriella Fontanini, Elisa Sensi, Alfredo Falcone
BACKGROUND: The BRAF K601E mutation occurs in 5% of patients with melanoma, and is the third most common type of BRAF mutation. However, treatment with BRAF and mitogen-activated extracellular signal-regulated kinase (MEK) inhibitors is only approved in patients with BRAF V600-positive melanoma, and patients with K601E-mutated melanoma do not have access to such drugs. CASE PRESENTATION: A female patient was diagnosed with high tumor burden metastatic melanoma harboring the BRAF K601E mutation...
2017: Experimental Hematology & Oncology
https://www.readbyqxmd.com/read/28344749/heavily-calcified-gastrointestinal-stromal-tumors-pathophysiology-and-implications-of-a-rare-clinicopathologic-entity
#11
Massimiliano Salati, Giulia Orsi, Luca Reggiani Bonetti, Fabrizio Di Benedetto, Giuseppe Longo, Stefano Cascinu
Gastrointestinal stromal tumors (GISTs) are the most common mesenchymal neoplasms of the gastrointestinal tract, and are characterized by a broad spectrum of clinical, histological and molecular features at presentation. Although focal and scattered calcifications are not uncommon within the primary tumor mass, heavy calcification within a GIST is rarely described in the literature and the clinical-biological meaning of this feature remains unclear. Cases with such an atypical presentation are challenging and may be associated with diagnostic pitfalls...
March 15, 2017: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28344653/characterization-of-a-de-novo-ssmc-17-detected-in-a-girl-with-developmental-delay-and-dysmorphic-features
#12
Lana Stavber, Sara Bertok, Jernej Kovač, Marija Volk, Luca Lovrečić, Tadej Battelino, Tinka Hovnik
BACKGROUND: The majority of small supernumerary marker chromosome cases arise de novo and their frequency in newborns is 0.04%. We report on a girl with developmental delay and dysmorphic features with a non-mosaic de novo sSMC that originated from the pericentric region of q arm in chromosome 17. CASE PRESENTATION: The girl presented with developmental delay, speech delay, myopia, mild muscle hypotonia, hypoplasia of orbicular muscle, poor concentration, and hyperactivity...
2017: Molecular Cytogenetics
https://www.readbyqxmd.com/read/28344121/brevibacillus-laterosporus-pathogenesis-and-local-immune-response-regulation-in-the-house-fly-midgut
#13
Maria Elena Mura, Luca Ruiu
The insect midgut represents the primary site of action of the entompathogenic bacterium Brevibacillus laterosporus. Whilst most studies on this microorganism focus on the identification and characterization of possible virulence factors and toxins, little is known about the insect immune defense mechanisms that are activated against this pathogen. In this study we have investigated the local immune response of different house fly stages to B. laterosporus at the transcriptional level, and we tested the hypothesis that an improvement in entomopathogenicity can be achieved by impairing host innate immunity...
March 23, 2017: Journal of Invertebrate Pathology
https://www.readbyqxmd.com/read/28343954/a-new-whole-mitochondrial-genome-qpcr-wmg-qpcr-with-sybr-green-%C3%A2-to-identify-phlebotomine-sand-fly-blood-meals
#14
Ana Caroline Moura Rodrigues, Rafaela Damasceno Magalhães, Kalil Andrade Mubarac Romcy, Jeferson Lucas Sousa Freitas, Ana Carolina Fonseca Lindoso Melo, Fernanda Cristina Macedo Rodon, Claudia Maria Leal Bevilaqua, Luciana Magalhães Melo
Phlebotomine sand flies are blood-feeding insects of marked medical and veterinary significance. Investigations on the biology of these insects hold great importance for both ecological and epidemiological purposes. The present work describes a new approach for real-time PCR (qPCR) with SYBR Green(®), named WMG-qPCR, to identify phlebotomine blood meals. The novelty of the assay was to design primers based on the Whole Mitochondrial Genome (WMG) of the potential hosts (human, dog, cat, brown rat and chicken) aiming to amplify through qPCR the regions of mitochondrial DNA (mtDNA) which are less conserved among all species...
March 9, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28343754/feeding-a-cancer-patient-much-more-than-supportive-care
#15
EDITORIAL
Alessandro Laviano, Luca Di Lazzaro, Maria Isabel T D Correia
No abstract text is available yet for this article.
February 22, 2017: Nutrition
https://www.readbyqxmd.com/read/28343449/post-mortem-study-of-the-association-between-cardiac-iron-and-fibrosis-in-transfusion-dependent-anaemia
#16
Paul Kirk, Mary Sheppard, John-Paul Carpenter, Lisa Anderson, Taigang He, Tim St Pierre, Renzo Galanello, Gualtiero Catani, John Wood, Suthat Fucharoen, John B Porter, J Malcolm Walker, Gian Luca Forni, Dudley J Pennell
BACKGROUND: Heart failure related to cardiac siderosis remains a major cause of death in transfusion dependent anaemias. Replacement fibrosis has been reported as causative of heart failure in siderotic cardiomyopathy in historical reports, but these findings do not accord with the reversible nature of siderotic heart failure achievable with intensive iron chelation. METHODS: Ten whole human hearts (9 beta-thalassemia major, 1 sideroblastic anaemia) were examined for iron loading and fibrosis (replacement and interstitial)...
March 27, 2017: Journal of Cardiovascular Magnetic Resonance
https://www.readbyqxmd.com/read/28343416/cuff-leak-test-for-the-diagnosis-of-post-extubation-stridor
#17
David Schnell, Benjamin Planquette, Asaël Berger, Sybille Merceron, Julien Mayaux, Lucas Strasbach, Stéphane Legriel, Sandrine Valade, Michael Darmon, Ferhat Meziani
BACKGROUND: Cuff leak test was developed to predict the occurrence of post-extubation stridor (PES). This study evaluated the diagnostic performance of this test in unselected critically ill patients. METHODS: Multicenter prospective study including unselected ventilated patients at the time of their first planned extubation. The diagnostic performance of 4 different cuff leak tests was assessed. RESULTS: Post-extubation stridor occurred in 34 (9...
January 1, 2017: Journal of Intensive Care Medicine
https://www.readbyqxmd.com/read/28343387/hydroxyl-and-methoxyl-derivatives-of-benzylglucosinolate-in-lepidium-densiflorum-with-hydrolysis-to-isothiocyanates-and-non-isothiocyanate-products-substitution-governs-product-type-and-mass-spectral-fragmentation
#18
Eleonora Pagnotta, Niels Agerbirk, Carl Erik Olsen, Luisa Ugolini, Susanna Cinti, Luca Lazzeri
A system of benzylic glucosinolates was found and characterized in common pepperweed, Lepidium densiflorum Schrad. The major glucosinolate was the novel 4-hydroxy-3,5-dimethoxybenzylglucosinolate (3,5-dimethoxysinalbin), present at high levels in seeds, leaves and roots. Medium level glucosinolates were 3,4-dimethoxybenzylglucosinolate and 3,4,5-trimethoxybenzylglucosinolate. Minor glucosinolates included benzylglucosinolate, 3-hydroxy and 3-methoxybenzylglucosinolate, 4-hydroxybenzylglucosinolate (sinalbin), the novel 4-hydroxy-3-methoxybenzylglucosinolate (3-methoxysinalbin) and indole-type glucosinolates...
March 25, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28342984/hdac4-and-hdac6-sustain-dna-double-strand-break-repair-and-stem-like-phenotype-by-promoting-radioresistance-in-glioblastoma-cells
#19
Francesco Marampon, Francesca Megiorni, Simona Camero, Clara Crescioli, Heather P McDowell, Roberta Sferra, Antonella Vetuschi, Simona Pompili, Luca Ventura, Francesca De Felice, Vincenzo Tombolini, Carlo Dominici, Roberto Maggio, Claudio Festuccia, Giovanni Luca Gravina
The role of histone deacetylase (HDAC) 4 and 6 in glioblastoma (GBM) radioresistance was investigated. We found that tumor samples from 31 GBM patients, who underwent temozolomide and radiotherapy combined treatment, showed HDAC4 and HDAC6 expression in 93.5% and 96.7% of cases, respectively. Retrospective clinical data analysis demonstrated that high-intensity HDAC4 and/or HDAC6 immunostaining was predictive of poor clinical outcome. In vitro experiments revealed that short hairpin RNA-mediated silencing of HDAC4 or HDAC6 radiosensitized U87MG and U251MG GBM cell lines by promoting DNA double-strand break (DSBs) accumulation and by affecting DSBs repair molecular machinery...
March 22, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28342748/rnai-of-arcrna-hsr%C3%AF-affects-sub-cellular-localization-of-drosophila-fus-to-drive-neurodiseases
#20
Luca Lo Piccolo, Masamitsu Yamaguchi
Defective RNA metabolism is common pathogenic mechanisms involved in neurological disorders. Indeed, a conspicuous feature of some neurodegenerative diseases is the loss of nuclear activities of RNA-binding proteins (RBPs) like Fused in sarcoma (FUS) and eventually, their accumulation in cytoplasmic proteinaceous inclusions. Long non-coding RNAs (lncRNAs) are emerging as important regulators of tissue physiology and disease processes, including neurological disorders. A subset of these lncRNAs is the core of nuclear bodies (NBs), which are the sites of RNA processing and sequestration of specific ribonucleoproteins (RNPs) complexes...
March 22, 2017: Experimental Neurology
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