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https://www.readbyqxmd.com/read/28231642/meniscal-transplants-and-scaffolds-a-systematic-review-of-the-literature
#1
REVIEW
Sean Dangelmajer, Filippo Familiari, Roberto Simonetta, Mehmet Kaymakoglu, Gazi Huri
The reported incidence of meniscal tears is approximately 61 per 100,000. In instances where preservation of the native meniscus is no longer a feasible option, meniscal allograft transplantation (MAT) and implants or scaffolds may be considered. The goal of this review was to compare the success and failure rates of two techniques, MAT and meniscal scaffolds, and make an inference which treatment is more preferable at the present time and future. Studies that met inclusion criteria were assessed for technique used, type of transplant used, number of procedures included in the study, mean age of patients, mean follow-up time, number of failures, failure rate, and reported reoperation rate...
March 1, 2017: Knee Surgery & related Research
https://www.readbyqxmd.com/read/28231559/prostate-cancer-heterogeneity-discovering-novel-molecular-targets-for-therapy
#2
REVIEW
Chiara Ciccarese, Francesco Massari, Roberto Iacovelli, Michelangelo Fiorentino, Rodolfo Montironi, Vincenzo Di Nunno, Francesca Giunchi, Matteo Brunelli, Giampaolo Tortora
Prostate cancer (PCa) shows a broad spectrum of biological and clinical behavior, which represents the epiphenomenon of an extreme genetic heterogeneity. Recent genomic profiling studies have deeply improved the knowledge of the genomic landscape of localized and metastatic PCa. The AR and PI3K/Akt/mTOR signaling pathways are the two most frequently altered, representing therefore interestingly targets for therapy. Moreover, somatic or germline aberrations of DNA repair genes (DRGs) have been observed at high frequency, supporting the potential role of platinum derivatives and PARP inhibitors as effective therapeutic strategies...
February 11, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28231347/histomorphometric-results-after-postextraction-socket-healing-with-different-biomaterials-a-systematic-review-of-the-literature-and-meta-analysis
#3
Stefano Corbella, Silvio Taschieri, Luca Francetti, Roberto Weinstein, Massimo Del Fabbro
PURPOSE: The aim of this systematic review was to investigate which material is the most effective bone substitute for alveolar bone healing by evaluating histomorphometric outcomes after healing of postextraction sockets in humans. MATERIALS AND METHODS: A manual and electronic search (PubMed, EMBASE, Cochrane Library) was performed using a search string prepared ad hoc. Data were statistically analyzed by calculating weighted mean percentage of new bone formation (primary outcome) and weighted mean percentage of residual biomaterial, soft/connective tissue, and nonmineralized tissue (secondary outcomes) in the biopsies...
February 23, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28231241/hydrocephalus-and-arthrogryposis-in-an-immunocompetent-mouse-model-of-zika-teratogeny-a-developmental-study
#4
Jose Xavier-Neto, Murilo Carvalho, Bruno Dos Santos Pascoalino, Alisson Campos Cardoso, Ângela Maria Sousa Costa, Ana Helena Macedo Pereira, Luana Nunes Santos, Ângela Saito, Rafael Elias Marques, Juliana Helena Costa Smetana, Silvio Roberto Consonni, Carla Bandeira, Vivian Vasconcelos Costa, Marcio Chaim Bajgelman, Paulo Sérgio Lopes de Oliveira, Marli Tenorio Cordeiro, Laura Helena Vega Gonzales Gil, Bianca Alves Pauletti, Daniela Campos Granato, Adriana Franco Paes Leme, Lucio Freitas-Junior, Carolina Borsoi Moraes Holanda de Freitas, Mauro Martins Teixeira, Estela Bevilacqua, Kleber Franchini
The teratogenic mechanisms triggered by ZIKV are still obscure due to the lack of a suitable animal model. Here we present a mouse model of developmental disruption induced by ZIKV hematogenic infection. The model utilizes immunocompetent animals from wild-type FVB/NJ and C57BL/6J strains, providing a better analogy to the human condition than approaches involving immunodeficient, genetically modified animals, or direct ZIKV injection into the brain. When injected via the jugular vein into the blood of pregnant females harboring conceptuses from early gastrulation to organogenesis stages, akin to the human second and fifth week of pregnancy, ZIKV infects maternal tissues, placentas and embryos/fetuses...
February 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28231163/gluten-free-bread-influence-of-sourdough-and-compressed-yeast-on-proofing-and-baking-properties
#5
Carola Cappa, Mara Lucisano, Andrea Raineri, Lorenzo Fongaro, Roberto Foschino, Manuela Mariotti
The use of sourdough is the oldest biotechnological process to leaven baked goods, and it represents a suitable technology to improve traditional bread texture, aroma, and shelf life. A limited number of studies concerning the use of sourdough in gluten-free (GF) breadmaking have been published in comparison to those on traditional bread. The aim of this study was to compare the properties of GF breads obtained by using a previously in-lab developed GF-sourdough (SD), compressed yeast (CY; Saccharomyces cerevisiae) or their mixture (SDCY) as leavening agents; more specifically, it aims to confirm the findings of a previous studies and to further improve (both in terms of recipe and process) the features of the resulting GF breads...
October 23, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28230790/influence-of-chitosan-swelling-behaviour-on-controlled-release-of-tenofovir-from-mucoadhesive-vaginal-systems-for-prevention-of-sexual-transmission-of-hiv
#6
Fernando Notario-Pérez, Araceli Martín-Illana, Raúl Cazorla-Luna, Roberto Ruiz-Caro, Luis-Miguel Bedoya, Aitana Tamayo, Juan Rubio, María-Dolores Veiga
The main challenges facing efforts to prevent the transmission of human immunodeficiency virus (HIV) are the lack of access to sexual education services and sexual violence against young women and girls. Vaginal formulations for the prevention of sexually transmitted infections are currently gaining importance in drug development. Vaginal mucoadhesive tablets can be developed by including natural polymers that have good binding capacity with mucosal tissues, such as chitosan or guar gum, semisynthetic polymers such as hydroxypropylmethyl cellulose, or synthetic polymers such as Eudragit(®) RS...
February 21, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28230468/the-role-of-transmission-electron-microscopy-in-vacuole-associated-myopathies
#7
Valentina Papa, Roberta Costa, Roberto D'Angelo, Rita Rinaldi, Elena Pegoraro, Marina Fanin, Corrado Angelini, Giovanna Cenacchi
No abstract text is available yet for this article.
January 2017: Ultrastructural Pathology
https://www.readbyqxmd.com/read/28229815/correlation-between-essdai-and-clinessdai-in-a-real-life-cohort-of-patients-with-sj%C3%A3-gren-s-syndrome
#8
Luca Quartuccio, Chiara Baldini, Elena Bartoloni, Roberta Priori, Francesco Carubbi, Alessia Alunno, Saviana Gandolfo, Angelica Gattamelata, Roberto Giacomelli, Roberto Gerli, Guido Valesini, Stefano Bombardieri, Salvatore De Vita
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February 10, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28229340/theoretical-calculation-of-polarizability-isotope-effects
#9
Félix Moncada, Roberto Flores-Moreno, Andrés Reyes
We propose a scheme to estimate hydrogen isotope effects on molecular polarizabilities. This approach combines the any-particle molecular orbital method, in which both electrons and H/D nuclei are described as quantum waves, with the auxiliary density perturbation theory, to calculate analytically the polarizability tensor. We assess the performance of method by calculating the polarizability isotope effect for 20 molecules. A good correlation between theoretical and experimental data is found. Further analysis of the results reveals that the change in the polarizability of a X-H bond upon deuteration decreases as the electronegativity of X increases...
March 2017: Journal of Molecular Modeling
https://www.readbyqxmd.com/read/28228912/anatomical-variation-t1-spina-bifida-occulta-radiological-findings
#10
Guglielmo Manenti, Riccardo Iundusi, Eliseo Picchi, Salvatore Marsico, Adolfo D'Onofrio, Giorgia Rossi, Umberto Tarantino, Roberto Floris
We report a 26-year-old male patient who was admitted to our emergency department after a traffic accident and who suffered from neck pain. We have found accidentally a dorsal spinous process schisis, a very rare vertebral abnormality, that we recognized in the X-rays imaging performed for the study of the lung parenchyma.
March 2017: Radiology case reports
https://www.readbyqxmd.com/read/28228785/mesenchymal-stem-cells-in-post-surgical-cavities-of-large-maxillary-bone-lesions
#11
Roberto Bertolai, Carlo Catelani, Mattia Signorini, Alessandro Rossi, Domenico Giannini
BACKGROUND: Recent studies have highlighted that MSCs are capable of regenerating large bone defects when used in combination with bone substitutes and increasing allo-graft osteointegration. We investigated the hypothesis that autologous MSCs may lead to increased bone regeneration and reduced healing time in post-surgical cavities of large maxillary bone lesions. METHODS: This study involved 10 patients (TEST GROUP) (6 males and 4 females). All patients had expansive mandibular lesions larger than 3 cm...
September 2016: Clinical Cases in Mineral and Bone Metabolism
https://www.readbyqxmd.com/read/28228725/differential-effects-of-corm-2-and-corm-401-in-murine-intestinal-epithelial-mode-k-cells-under-oxidative-stress
#12
Dinesh Babu, Georges Leclercq, Roberto Motterlini, Romain A Lefebvre
Carbon monoxide (CO)-releasing molecules (CO-RMs) are intensively studied to provide cytoprotective and anti-inflammatory effects of CO in inflammatory conditions including intestinal inflammation. The water-soluble CORM-A1 reduced apoptosis and NADPH oxidase (NOX)-derived reactive oxygen species (ROS) induced by tumor necrosis factor (TNF)-α/cycloheximide (CHX) in mouse MODE-K intestinal epithelial cells (IECs), without influencing TNF-α/CHX-induced mitochondrial superoxide anion ([Formula: see text]). The aim of the present study in the same model was to comparatively investigate the influence of lipid-soluble CORM-2 and water-soluble CORM-401, shown in vitro to release more CO under oxidative conditions...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28228682/espeletia-praesidentis-a-new-species-of-espeletiinae-millerieae-asteraceae-from-northeastern-colombia
#13
Mauricio Diazgranados, Luis Roberto Sánchez
A new species of Espeletia from the Páramo de Presidente in northeastern Colombia is described. The species is named Espeletia praesidentis after the name of the páramo, and it is dedicated to the President Juan Manuel Santos, for his persistent efforts in working for peace for Colombia. The new species is closely related to Espeletia dugandii, but differs in the shape and colour of the leaves and arrangements of the capitulescences. A large population was found, but its total extension is yet to be determine...
2017: PhytoKeys
https://www.readbyqxmd.com/read/28228653/drug-prescription-appropriateness-in-the-elderly-an-italian-study
#14
Nicola Allegri, Federica Rossi, Federica Del Signore, Paolo Bertazzoni, Roberto Bellazzi, Giorgio Sandrini, Tomaso Vecchi, Davide Liccione, Alessia Pascale, Stefano Govoni
PURPOSE: Correct drug prescription in the elderly is a difficult task that requires careful survey of the current pharmacological therapies. In this article, we reviewed the drug prescriptions provided to 860 persons aged 65 years or over, residing in a small city of Lombardy, Italy. METHODS: Subjects were recruited from a local nursing home, the Pavia and Vigevano Neuropsychological Center for Alzheimer's Disease, general practitioners' offices, and the local University of the Third Age...
2017: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/28228627/orthodontic-archwire-composition-and-phase-analyses-by-neutron-spectroscopy
#15
Kun V Tian, Giulia Festa, Francesco Basoli, Giuseppina Laganà, Antonella Scherillo, Carla Andreani, Patrizio Bollero, Silvia Licoccia, Roberto Senesi, Paola Cozza
Quantitative metallurgical and phase analyses employing neutron diffraction technique were conducted on two as-received commercial rectangular austenitic stainless steel orthodontic archwires, G&H and Azdent, 0.43×0.64 mm (0.017×0.025 inch). Results showed a bi-phase structure containing martensitic phase (45.67% for G&H and 6.62% for Azdent) in addition to the expected metastable austenite. The former may be a strain-induced phase-transformation arising during the cold working process of wire fabrication...
February 22, 2017: Dental Materials Journal
https://www.readbyqxmd.com/read/28228588/investigation-of-the-role-of-protein-kinase-d-in-human-rhinovirus-replication
#16
Anabel Guedán, Dawid Swieboda, Mark Charles, Marie Toussaint, Sebastian L Johnston, Amin Asfor, Anusha Panjwani, Tobias J Tuthill, Henry Danahay, Tony Raynham, Aurelie Mousnier, Roberto Solari
Picornavirus replication is known to cause extensive remodelling of Golgi and endoplasmic reticulum membranes and a number of the host proteins involved in the viral replication complex have been identified, including oxysterol binding protein (OSBP) and phosphatidylinositol 4-kinase III beta (PI4KB). Since both OSBP and PI4KB are substrates for protein kinase D (PKD) and PKD is known to be involved in the control of Golgi vesicular and lipid transport, we hypothesised that PKD played a role in viral replication...
February 22, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28228577/the-basilar-artery-on-computed-tomography-angiography-prognostic-score-for-basilar-artery-occlusion
#17
Fana Alemseged, Darshan G Shah, Marina Diomedi, Fabrizio Sallustio, Andrew Bivard, Gagan Sharma, Peter J Mitchell, Richard J Dowling, Steven Bush, Bernard Yan, Carlo Caltagirone, Roberto Floris, Mark W Parsons, Christopher R Levi, Stephen M Davis, Bruce C V Campbell
BACKGROUND AND PURPOSE: Basilar artery occlusion is associated with high risk of disability and mortality. This study aimed to assess the prognostic value of a new radiological score: the Basilar Artery on Computed Tomography Angiography (BATMAN) score. METHODS: A retrospective analysis of consecutive stroke patients with basilar artery occlusion diagnosed on computed tomographic angiography was performed. BATMAN score is a 10-point computed tomographic angiography-based grading system which incorporates thrombus burden and the presence of collaterals...
February 22, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28228503/extreme-prematurity-outcomes-have-we-really-reached-the-limit
#18
Luigi Gagliardi, Roberto Bellù
No abstract text is available yet for this article.
February 22, 2017: Pediatrics
https://www.readbyqxmd.com/read/28228265/e3-ligase-rnf126-directly-ubiquitinates-frataxin-promoting-its-degradation-identification-of-a-potential-therapeutic-target-for-friedreich-ataxia
#19
Monica Benini, Silvia Fortuni, Ivano Condò, Giulia Alfedi, Florence Malisan, Nicola Toschi, Dario Serio, Damiano Sergio Massaro, Gaetano Arcuri, Roberto Testi, Alessandra Rufini
Friedreich ataxia (FRDA) is a severe genetic neurodegenerative disease caused by reduced expression of the mitochondrial protein frataxin. To date, there is no therapy to treat this condition. The amount of residual frataxin critically affects the severity of the disease; thus, attempts to restore physiological frataxin levels are considered therapeutically relevant. Frataxin levels are controlled by the ubiquitin-proteasome system; therefore, inhibition of the frataxin E3 ligase may represent a strategy to achieve an increase in frataxin levels...
February 21, 2017: Cell Reports
https://www.readbyqxmd.com/read/28228253/sirt6-suppresses-cancer-stem-like-capacity-in-tumors-with-pi3k-activation-independently-of-its-deacetylase-activity
#20
Rafael M Ioris, Mirco Galié, Giorgio Ramadori, Jason G Anderson, Anne Charollais, Georgia Konstantinidou, Xavier Brenachot, Ebru Aras, Algera Goga, Nicholas Ceglia, Carlos Sebastián, Denis Martinvalet, Raul Mostoslavsky, Pierre Baldi, Roberto Coppari
Cancer stem cells (CSCs) have high tumorigenic capacity. Here, we show that stem-like traits of specific human cancer cells are reduced by overexpression of the histone deacetylase sirtuin 6 (SIRT6). SIRT6-sensitive cancer cells bear mutations that activate phosphatidylinositol-3-kinase (PI3K) signaling, and overexpression of SIRT6 reduces growth, progression, and grade of breast cancer in a mouse model with PI3K activation. Tumor metabolomic and transcriptomic analyses reveal that SIRT6 overexpression dampens PI3K signaling and stem-like characteristics and causes metabolic rearrangements in this cancer model...
February 21, 2017: Cell Reports
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