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https://www.readbyqxmd.com/read/28434175/myoxinol-ointment-for-the-treatment-of-acute-fissure
#1
J Martellucci, G Rossi, I Corsale, P Carrieri, M D'Elia, I Giani
Myoxinol is a complex of oligopeptides obtained from the seeds of Hibiscus esculentus used in cosmetic as natural alternative to botulin toxin. The aim of the study was to evaluate the safety and effectiveness of local myoxinol for the treatment of acute anal fissure. All the consecutive patients with acute fissure treated from January to June 2014 underwent 30 days of topical treatment (twice/day) with a mioxinol based ointment. Pain, symptomatic relief, fissure healing and re-epithelization, 1-year recurrence rate, subjective satisfaction and need for further treatments were evaluated...
April 22, 2017: Updates in Surgery
https://www.readbyqxmd.com/read/28434022/effects-of-vestibular-disorders-on-vestibular-reflex-and-imagery
#2
B S Cohen, J Provasi, P Leboucher, I Israël
The aim of this study was to establish the effect of vestibular lesion on vestibular imagery. Subjects were required to estimate verbally their passively travelled rotation angles in complete darkness, i.e., to activate vestibular imagery. During motion, the vestibulo-ocular reflex (VOR) was measured. Thus, we examined the coherence between the vestibulo-ocular reflex and self-rotation imagery, with vestibular-lesioned patients and healthy participants. Unilateral acute and chronic patients, bilateral patients, and healthy subjects were compared...
April 22, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28433833/in-vitro-antitumor-activity-metal-uptake-and-reactivity-with-ascorbic-acid-and-bsa-of-some-gold-iii-complexes-with-n-n-ethylenediamine-bidentate-ester-ligands
#3
Nebojša Pantelić, Bojana B Zmejkovski, Branka Kolundžija, Marija Đorđić Crnogorac, Jelena M Vujić, Biljana Dojčinović, Srećko R Trifunović, Tatjana P Stanojković, Tibor J Sabo, Goran N Kaluđerović
Four novel gold(III) complexes of general formulae [AuCl2{(S,S)-R2eddl}]PF6 (R2eddl=O,O'-dialkyl-(S,S)-ethylenediamine-N,N'-di-2-(4-methyl)pentanoate, R=n-Pr, n-Bu, n-Pe, i-Bu; 1-4, respectively), were synthesized and characterized by elemental analysis, UV/Vis, IR, and NMR spectroscopy, as well as high resolution mass spectrometry. Density functional theory calculations pointed out that (R,R)-N,N'-configuration diastereoisomers were energetically the most favorable. Duo to high cytotoxic activity complex 3 was chosen for stability study in DMSO, no decomposition occurs within 24h, and for the reaction with ascorbic acid in which was reduced immediately...
April 4, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/28433760/elucidation-of-the-dynamic-nature-of-interactome-networks-a-practical-tutorial
#4
Sandra I Anjo, Tania Martins-Marques, Paulo Pereira, Henrique Girão, Bruno Manadas
Considering that proteins are usually engaged in complex and dynamic networks of interactions to exert their activity, a way to understand proteins' functions and the molecular mechanisms in which those proteins are involved, is by studying their interactome. In this sense, this tutorial presents a simple pipeline for the analysis of the network of interactions of a protein in order to reach a biological interpretation of the mechanisms modulated by those interactions, and understand how these interactions are affected by the experimental conditions...
April 19, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28433695/disinfection-of-water-inoculated-with-enterococcus-faecalis-using-solar-fe-iii-edds-h2o2-or-s2o8-2-process
#5
A Bianco, M I Polo López, P Fernández Ibáñez, M Brigante, G Mailhot
In this study, the activation of H2O2 and persulfate ions induced by solar photolysis of Fe(III)EDDS complex were investigated in water disinfection, applying solar AOPs processes. The use of Fe(III)EDDS complex maintains iron in soluble form until slightly basic pH and so the photolysis is efficient in a large range of pH compatible with natural waters. Moreover, for the first time, the impact of photogenerated hydroxyl and sulfate radicals on the inactivation of Enterococcus faecalis in water was studied...
April 18, 2017: Water Research
https://www.readbyqxmd.com/read/28433641/analysis-of-complications-of-pelvic-mesh-excision-surgery-using-the-clavien-dindo-classification-system
#6
Goran Rac, Alyssa Greiman, Andrew Rabley, T J Tipton, Leah R Chiles, Drew A Freilich, Ross Rames, Lindsey Cox, Michelle Koski, Eric S Rovner
PURPOSE: To describe and categorize complications in patients undergoing vaginal mesh excision surgery using the Clavien-Dindo classification system. MATERIALS AND METHODS: A retrospective review of 277 patients who underwent vaginal mesh extraction between 2007 and 2015 at a single institution was conducted with Institutional Review Board approval. Surgical complications were stratified using the Clavien-Dindo classification system. Complications were noted to be either peri-operative (prior to discharge) or post-operative (within 90 days)...
April 19, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28433527/characterization-of-leukocyte-subsets-in-buffalo-bubalus-bubalis-with-cross-reactive-monoclonal-antibodies-specific-for-bovine-mhc-class-i-and-class-ii-molecules-and-leukocyte-differentiation-molecules
#7
Francesco Grandoni, Mahmoud M Elnaggar, Gaber S Abdellrazeq, Federica Signorelli, Lindsay M Fry, Cinzia Marchitelli, Victoria Hulubei, Samy A Khaliel, Helmy A Torky, William C Davis
Although buffaloes (Bubalus bubalis) are a major component of the livestock industry worldwide, limited progress has been made in the study of the mechanisms regulating the immune response to pathogens and parasites affecting their health and productivity. This has been, in part, attributable to the limited availability of reagents to study immune responses in buffalo. As reported here, a set of cross-reactive monoclonal antibodies (mAbs), developed against bovine, ovine and caprine leukocyte differentiation molecules (LDM) and major histocompatibility complex (MHC) molecules, were identified and used to compare expression of LDM in Italian and Egyptian buffalo...
April 19, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/28433479/modeling-short-range-substitution-order-and-disorder-in-crystals-application-to-the-ga-si-distribution-in-a-natrolite-zeolite
#8
Sylvian Cadars, Nak Ho Ahn, Kirill Okhotnikov, Jiho Shin, Aurélie Vicente, Suk Bong Hong, Christian Fernandez
Atomic substitutions are a central feature of the physicochemical properties of an increasing number of solid-state materials. The complexity that this chemical disorder locally generates in otherwise crystalline solids poses a major challenge to the understanding of the relationships between the structure and properties of materials at the atomic and molecular level. Strategies designed to efficiently explore the ensemble of local chemical environments present in disordered crystals and predict their signatures in local spectroscopies such as solid-state nuclear magnetic resonance (NMR) are therefore essential...
April 13, 2017: Solid State Nuclear Magnetic Resonance
https://www.readbyqxmd.com/read/28433398/multi-state-survey-of-healthcare-associated-infections-in-acute-care-hospitals-in-brazil
#9
C Magno Castelo Branco Fortaleza, M C Padoveze, C R Veiga Kiffer, A L Barth, Irna C do Rosário Souza Carneiro, H I Garcia Giamberardino, J L Nobre Rodrigues, L Santos Filho, M J Gonçalves de Mello, M Severino Pereira, P Pinto Gontijo Filho, M Rocha, E A Servolo de Medeiros, A C Campos Pignatari
BACKGROUND: Healthcare-associated infections (HCAIs) challenge public health in developing countries such as Brazil, which harbour social inequalities and variations in the complexity of healthcare and regional development. AIM: To describe the prevalence of HCAIs in hospitals in a sample of hospitals in Brazil. METHODS: A prevalence survey conducted in 2011-13 enrolled 152 hospitals from the five macro-regions in Brazil. Hospitals were classified as large (≥200 beds), medium (50-199 beds) or small sized (<50 beds)...
March 23, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/28433235/-stone-free-rate-assesment-after-percutaneous-nephrolithotomy-using-nephrolitometric-nomogram
#10
Jason Damián Landa-Salas, Juan Ramón Torres-Anguiano, Efraín Maldonado-Alcaraz, Virgilio Augusto Lopez-Samano, Eduardo Alonso Serrano-Brambila, Jorge Moreno-Palacios
BACKGROUND: Percutaneous nephrolithotomy remains the standard of care for kidney stones larger than 2cm. Therefore, setting a prognosis for complete stone resolution through this method is essential. The prognostic tools available have limited prediction. OBJECTIVES: To evaluate the stone-free rate in patients undergoing percutaneous nephrolithotomy with the Clinical Research Office of the Endourological Society nomogram and suggest modifications to improve the classification...
April 19, 2017: Cirugia y Cirujanos
https://www.readbyqxmd.com/read/28433029/early-stages-of-clathrin-aggregation-at-a-membrane-in-coarse-grained-simulations
#11
M Giani, W K den Otter, W J Briels
The self-assembly process of clathrin coated pits during endocytosis has been simulated by combining and extending coarse grained models of the clathrin triskelion, the adaptor protein AP2, and a flexible network membrane. The AP2's core, upon binding to membrane and cargo, releases a motif that can bind clathrin. In conditions where the core-membrane-cargo binding is weak, the binding of this motif to clathrin can result in a stable complex. We characterize the conditions and mechanisms resulting in the formation of clathrin lattices that curve the membrane, i...
April 21, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28432955/the-calorimetric-properties-of-liposomes-determine-the-morphology-of-dried-droplets
#12
Jorge González-Gutiérrez, Rosendo Pérez-Isidoro, M I Pérez-Camacho, J C Ruiz-Suárez
The evaporation of liquid droplets deposited on a substrate is a very complex phenomenon. Driven by capillary and Marangoni flows, particle-particle and particle-substrate interactions, the deposits they leave are vestiges of such complexity. We study the formation of patterns during the evaporation of liposome suspension droplets deposited on a hydrophobic substrate at different temperatures. We observed that as we change the temperature of the substrate, a morphological phase transition occurs at a given temperature Tm...
April 19, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28432762/microvascular-replantation-of-head-and-neck-amputated-parts-a-systematic-review
#13
REVIEW
Johnny I Efanov, Ixchel J Montoya, Ke N Huang, Charles Guertin, Patrick G Harris, Joseph Bou-Merhi, Alain M Danino
BACKGROUND: As opposed to upper and lower extremity amputations representing a considerable volume of admissions, the prowess of microsurgeons is seldom solicited in complex cases of head and neck replantation. Our aim was to determine the rate of successful replantation of craniofacial parts in a systematic review of the literature. METHODS: We performed a systematic review of English literature using PubMed/MEDLINE for every replantation of a head and neck parts...
April 22, 2017: Microsurgery
https://www.readbyqxmd.com/read/28432755/mitochondria-and-ageing-role-in-heart-skeletal-muscle-and-adipose-tissue
#14
REVIEW
Kerstin Boengler, Maik Kosiol, Manuel Mayr, Rainer Schulz, Susanne Rohrbach
Age is the most important risk factor for most diseases. Mitochondria play a central role in bioenergetics and metabolism. In addition, several lines of evidence indicate the impact of mitochondria in lifespan determination and ageing. The best-known hypothesis to explain ageing is the free radical theory, which proposes that cells, organs, and organisms age because they accumulate reactive oxygen species (ROS) damage over time. Mitochondria play a central role as the principle source of intracellular ROS, which are mainly formed at the level of complex I and III of the respiratory chain...
April 21, 2017: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/28432618/the-identification-of-key-genes-and-pathways-in-hepatocellular-carcinoma-by-bioinformatics-analysis-of-high-throughput-data
#15
Chaoyang Zhang, Li Peng, Yaqin Zhang, Zhaoyang Liu, Wenling Li, Shilian Chen, Guancheng Li
Liver cancer is a serious threat to public health and has fairly complicated pathogenesis. Therefore, the identification of key genes and pathways is of much importance for clarifying molecular mechanism of hepatocellular carcinoma (HCC) initiation and progression. HCC-associated gene expression dataset was downloaded from Gene Expression Omnibus database. Statistical software R was used for significance analysis of differentially expressed genes (DEGs) between liver cancer samples and normal samples. Gene Ontology (GO) term enrichment analysis and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis, based on R software, were applied for the identification of pathways in which DEGs significantly enriched...
June 2017: Medical Oncology
https://www.readbyqxmd.com/read/28432453/the-influence-of-oxo-bridged-binuclear-gold-iii-complexes-on-na-k-atpase-activity-a-joint-experimental-and-theoretical-approach
#16
Aleksandra M Bondžić, Mirjana B Čolović, Goran V Janjić, Božidarka Zarić, Sandra Petrović, Danijela Z Krstić, Tiziano Marzo, Luigi Messori, Vesna M Vasić
The in vitro effects of oxo-bridged binuclear gold(III) complexes, i.e., [(bipy2Me)2Au2(μ-O)2][PF6]2 (Auoxo6), Au2[(bipydmb-H)2(μ-O)][PF6] (Au2bipyC) and [Au2(phen(2Me))2(μ-O)2](PF6)2 (Au2phen) on Na/K-ATPase, purified from the porcine cerebral cortex, were investigated. All three studied gold complexes inhibited the enzyme activity in a concentration-dependent manner achieving IC50 values in the low micromolar range. Kinetic analysis suggested an uncompetitive mode of inhibition for Auoxo6 and Au2bipyC, and a mixed type one for Au2phen...
April 21, 2017: Journal of Biological Inorganic Chemistry: JBIC
https://www.readbyqxmd.com/read/28432399/-when-is-surgical-resection-of-metastases-in-testicular-germ-cell-tumors-indicated-and-is-there-a-scientific-basis
#17
A Heidenreich, P Paffenholz, F Haidl, D Pfister
Surgical resection of metastases represents an integral part of curative management in patients with testicular germ cell tumors (GCT). Primary nerve-sparing retroperitoneal lymph node dissection (nsRPLND) for low volume metastases in clinical stages I-IIB has to be differentiated from the more complex and more extensive postchemotherapeutic procedures. In Europe, primary nerve-sparing retroperitoneal lymph node dissection (nsRPLND) for clinical stage I nonseminomatous GCT (NSGCT) plays a subordinate. In clinical stage IIA/B, nsRPLND is indicated for patients with marker-negative metastases in whom cure rates of about 65% can be achieved with surgery alone...
April 21, 2017: Der Urologe. Ausg. A
https://www.readbyqxmd.com/read/28432362/succinate-supplementation-improves-metabolic-performance-of-mixed-glial-cell-cultures-with-mitochondrial-dysfunction
#18
Susan Giorgi-Coll, Ana I Amaral, Peter J A Hutchinson, Mark R Kotter, Keri L H Carpenter
Mitochondrial dysfunction, the inability to efficiently utilise metabolic fuels and oxygen, contributes to pathological changes following traumatic spinal cord or traumatic brain injury (TBI). In the present study, we tested the hypothesis that succinate supplementation can improve cellular energy state under metabolically stressed conditions in a robust, reductionist in vitro model of mitochondrial dysfunction in which primary mixed glial cultures (astrocytes, microglia and oligodendrocytes) were exposed to the mitochondrial complex I inhibitor rotenone...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28432294/genome-wide-identification-characterization-of-the-mads-box-gene-family-in-chinese-jujube-and-their-involvement-in-flower-development
#19
Liman Zhang, Jin Zhao, Chunfang Feng, Mengjun Liu, Jiurui Wang, Yafei Hu
MADS-box genes encode transcription factors that are involved in plant development control (particularly in floral organogenesis) and signal transduction pathways, though a comprehensive analysis of MADS-box family proteins in Chinese jujube (Ziziphus jujuba Mill.) is still missing. Here, we report a genome-wide analysis of the MADS-box gene family in Chinese jujube. Based on phylogenetic analyses, 52 jujube MADS-box genes were classified into 25 MIKC(C)-type, 3 MIKC(*)-type, 16 Mα, 5 Mβ and 3 Mγ genes. 37 genes were randomly distributed across all 12 putative chromosomes...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28432290/a-tongue-for-all-seasons-extreme-phenotypic-flexibility-in-salamandrid-newts
#20
Egon Heiss, Stephan Handschuh, Peter Aerts, Sam Van Wassenbergh
Many organisms faced with seasonally fluctuating abiotic and biotic conditions respond by altering their phenotype to account for the demands of environmental changes. Here we discovered that newts, which switch seasonally between an aquatic and terrestrial lifestyle, grow a complex adhesive system on their tongue pad consisting of slender lingual papillae and mucus-producing cells to increase the efficiency of prey capture as they move from water onto land. The adhesive system is reduced again as newts switch back to their aquatic stage, where they use suction to capture prey...
April 21, 2017: Scientific Reports
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