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https://www.readbyqxmd.com/read/28433812/the-perlecan-interacting-growth-factor-progranulin-regulates-ubiquitination-sorting-and-lysosomal-degradation-of-sortilin
#1
Ryuta Tanimoto, Chiara Palladino, Shi-Qiong Xu, Simone Buraschi, Thomas Neill, Leonard G Gomella, Stephen C Peiper, Antonino Belfiore, Renato V Iozzo, Andrea Morrione
Despite extensive clinical and experimental studies over the past decades, the pathogenesis and progression to the castration-resistant stage of prostate cancer remains largely unknown. Progranulin, a secreted growth factor, strongly binds the heparin-sulfate proteoglycan perlecan, and counteracts its biological activity. We established that progranulin acts as an autocrine growth factor and promotes prostate cancer cell motility, invasion, and anchorage-independent growth. Progranulin was overexpressed in prostate cancer tissues vis-à-vis non-neoplastic tissues supporting the hypothesis that progranulin may play a key role in prostate cancer progression...
April 20, 2017: Matrix Biology: Journal of the International Society for Matrix Biology
https://www.readbyqxmd.com/read/28433557/early-changes-of-left-ventricular-filling-pattern-after-reperfused-st-elevation-myocardial-infarction-and-doxycycline-therapy-insights-from-the-tiptop-trial
#2
Giampaolo Cerisano, Piergiovanni Buonamici, Guido Parodi, Alberto Santini, Guia Moschi, Renato Valenti, Angela Migliorini, Paolo Colonna, Benedetta Bellandi, Anna Maria Gori, David Antoniucci
AIM: Metalloproteinases inhibition by doxycycline reduces cardiac protein degradation at extracellular and intracellular level in the experimental model ischemia/reperfusion injury. Since both extracellular cardiac matrix and titin filaments inside the cardiomyocyte are responsible for the myocardial stiffness, we hypothesized that doxycycline could favorably act on left ventricular (LV) filling pressures in patients after reperfused acute ST-elevation myocardial infarction (STEMI). METHODS AND RESULTS: Seventy-three of 110 patients of the TIPTOP trial underwent a 2D-Echo-Doppler on admission, and at pre-discharge and at 6-month after a primary PCI for STEMI and LV dysfunction...
April 7, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28432999/effect-of-intra-oral-aging-on-t%C3%A2-m-phase-transformation-microstructure-and-mechanical-properties-of-y-tzp-dental-ceramics
#3
Luciana Meireles Miragaya, Renato Bastos Guimarães, Rodrigo Othávio de Assunção E Souza, Glauco Dos Santos Botelho, José Guilherme Antunes Guimarães, Eduardo Moreira da Silva
The aim of the present study was to evaluate the influence of intra-oral aging on the tetragonal-to-monoclinic (t→m) phase transformation of two Y-TZP dental ceramics - Lava Frame (Frame) and Lava Plus (Plus) - and determine the impact of this response on their microstructures and mechanical properties: flexural strength, Young's modulus, microhardness and fracture toughness. Standardized ceramic specimens were analyzed by X-ray diffraction (XRD), scanning electron microscopy (SEM) and atomic force microscopy (AFM)...
April 13, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28432340/phenome-wide-association-study-for-cyp2a6-alleles-rs113288603-is-associated-with-hearing-loss-symptoms-in-elderly-smokers
#4
Renato Polimanti, Kevin P Jensen, Joel Gelernter
To identify novel phenotypic associations related to Cytochrome P450 Family 2 Subfamily A Member 6 (CYP2A6), we investigated the human phenome in a total of 11,271 individuals. Initially, we conducted a phenome-wide association study in 3,401 nicotine-exposed elderly subjects considering 358 phenotypic traits. We identified a significant association between CYP2A6 rs113288603 and hearing loss symptoms (p = 5.75 × 10(-5)). No association was observed in a sample of 3,245 nicotine-unexposed individuals from the same discovery cohort, consistent with the conclusion that the finding is related to CYP2A6 involvement in nicotine metabolism...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28429680/the-inhibitory-effects-of-hydamtiq-a-novel-parp-inhibitor-on-growth-in-human-tumor-cell-lines-with-defective-dna-damage-response-pathways
#5
Enrico Mini, Ida Landini, Laura Lucarini, Andrea Lapucci, Cristina Napoli, Gabriele Perrone, Renato Tassi, Emanuela Masini, Flavio Moroni, Stefania Nobili
The poly(ADP-ribose) polymerase (PARP) enzymes play key roles in the regulation of cellular processes (e.g. DNA damagerepair, genomic stability). It has been shown that PARP inhibitors (PARPIs) are selectively cytotoxic against cells with dysfunctions in genes involved in DNA repair mechanisms (synthetic lethality). Drug induced PARP inhibition potentiates the activity of anticancer drugs such as 5-fluorouracil in enhancing DNA damage, whose repair involves PARP1 activity.The aim of this study was to evaluate the growth inhibitory effects of a novel PARPI, HYDAMTIQ, on human tumor cell lines characterized by different features with regard to DNA damage response pathways (BRCA mutational status, microsatellite status and ATM expression level) and degree of sensitivity/resistance to 5-fluorouracil...
April 20, 2017: Oncology Research
https://www.readbyqxmd.com/read/28429045/assessment-of-the-alpha-angle-and-mobility-of-the-hip-in-patients-with-noncontact-anterior-cruciate-ligament-injury
#6
Osmar Valadao Lopes, Gustavo Tragnago, Cristiano Gatelli, Rogério Nascimento Costa, Leandro de Freitas Spinelli, Paulo Renato Fernandes Saggin, André Kuhn
PURPOSE: To evaluate the alpha angle of the hip in patients with noncontact anterior cruciate ligament (ACL) injury and compare it with patients without injury. In addition, external and internal rotation of the hip was assessed and correlated with the alpha angle. METHODS: The alpha angle of the ipsilateral hip was assessed in 41 subjects with non-contact ACL tear and compared with 39 subjects with no tear. The external and internal rotation of the ipsilateral hip was also evaluated...
April 20, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28428839/population-genomics-meet-lagrangian-simulations-oceanographic-patterns-and-long-larval-duration-ensure-connectivity-among-paracentrotus-lividus-populations-in-the%C3%A2-adriatic-and-ionian-seas
#7
Marta Paterno, Marcello Schiavina, Giorgio Aglieri, Jamila Ben Souissi, Elisa Boscari, Renato Casagrandi, Aurore Chassanite, Mariachiara Chiantore, Leonardo Congiu, Giuseppe Guarnieri, Claudia Kruschel, Vesna Macic, Ilaria A M Marino, Chiara Papetti, Tomaso Patarnello, Lorenzo Zane, Paco Melià
Connectivity between populations influences both their dynamics and the genetic structuring of species. In this study, we explored connectivity patterns of a marine species with long-distance dispersal, the edible common sea urchin Paracentrotus lividus, focusing mainly on the Adriatic-Ionian basins (Central Mediterranean). We applied a multidisciplinary approach integrating population genomics, based on 1,122 single nucleotide polymorphisms (SNPs) obtained from 2b-RAD in 275 samples, with Lagrangian simulations performed with a biophysical model of larval dispersal...
April 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28427464/accuracy-of-low-density-lipoprotein-cholesterol-estimation-at-very-low-levels
#8
Renato Quispe, Aditya Hendrani, Mohamed B Elshazly, Erin D Michos, John W McEvoy, Michael J Blaha, Maciej Banach, Krishnaji R Kulkarni, Peter P Toth, Josef Coresh, Roger S Blumenthal, Steven R Jones, Seth S Martin
BACKGROUND: As the approach to low-density lipoprotein cholesterol (LDL-C) lowering becomes increasingly intensive, accurate assessment of LDL-C at very low levels warrants closer attention in individualized clinical efficacy and safety evaluation. We aimed to assess the accuracy of LDL-C estimation at very low levels by the Friedewald equation, the de facto clinical standard, and compare its accuracy with a novel, big data-derived LDL-C estimate. METHODS: In 191,333 individuals with Friedewald LDL-C < 70 mg/dL, we compared the accuracy of Friedewald and novel LDL-C values in relation to direct measurements by Vertical Auto Profile ultracentrifugation...
April 20, 2017: BMC Medicine
https://www.readbyqxmd.com/read/28425884/a-brief-course-on-clinical-communication-skills-a-multi-centered-study
#9
Camila Franco, Renato Franco, Milton Severo, Maria Amélia Ferreira
INTRODUCTION: This paper describes and analyses the results of a multicenter course on clinical communication skills with the use of the learning in small groups, patient actors and feedback. The aim of the course was to encourage participants to develop a more effective clinical communication to recognize the different manifestations of the same disease in different patients (disease versus illness). MATERIAL AND METHODS: The course was applied to third and fourth year medical students in three Brazilian universities and one university in Portugal...
December 30, 2016: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/28425713/synthesis-of-diverse-n-acryloyl-azetidines-and-evaluation-of-their-enhanced-thiol-reactivities
#10
Maximilian D Palkowitz, Bo Tan, Haitao Hu, Kenneth Roth, Renato A Bauer
Acyl azetidines exhibit nonplanar hybridization, leading to lower amide-like character of the corresponding (O)C-N bonds. This impacts N-acryloyl azetidines by producing enhanced electrophilicy at appended Michael acceptors. Herein, reactivity data are reported in the presence of glutathione (GSH) in phosphate buffer (pH 7.4) at 37 °C. Wide reactivity ranges are observed by varying substitution at the Michael acceptor or by modulating the electron-withdrawing character of substituents at the C3 position of the azetidine...
April 20, 2017: Organic Letters
https://www.readbyqxmd.com/read/28424427/nos2-expression-in-glioma-cell-lines-and-glioma-primary-cell-cultures-correlation-with-neurosphere-generation-and-sox-2-expression
#11
Paola Palumbo, Gianfranca Miconi, Benedetta Cinque, Francesca Lombardi, Cristina La Torre, Soheila Raysi Dehcordi, Renato Galzio, Annamaria Cimini, Antonio Giordano, Maria Grazia Cifone
Nitric oxide has been implicated in biology and progression of glioblastoma (GBM) being able to influence the cellular signal depending on the concentration and duration of cell exposure. NOS2 (inducible nitric oxide synthase) have been proposed as a component of molecular profile of several tumors, including glioma, one of the most aggressive primary brain tumor featuring local cancer stem cells responsible for enhanced resistance to therapies and for tumor recurrence. Here, we investigated the NOS2 mRNA expression by reverse transcription-PCR in human glioma primary cultures at several grade of malignancy and glioma stem cell (GSC) derived neurospheres...
March 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423701/identification-of-protein-clusters-predictive-of-tumor-response-in-rectal-cancer-patients-receiving-neoadjuvant-chemo-radiotherapy
#12
Ombretta Repetto, Valli De Re, Antonino De Paoli, Claudio Belluco, Lara Alessandrini, Vincenzo Canzonieri, Renato Cannizzaro
Preoperative neoadjuvant chemoradiotherapy (nCRT) is the gold standard in locally advanced rectal cancer, only 10-30% of patients achieving benefits. Currently, there is a need of a reliable selection of markers for the identification of poor or non-responders prior to therapy. In this work, we compared protein profiles before therapy of patients differing in their responses to nCRT to find novel predictive markers of response to therapy. Patients were grouped into 3 groups according to their tumor regression grading (TRG) after surgery: 'TRG 1-2', good responders, 'TRG 3' and 'TRG 4', poor responders...
March 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423423/invertebrates-fungal-biomass-and-leaf-breakdown-in-pools-and-riffles-of-neotropical-streams
#13
Renato Tavares Martins, Lidimara Souza da Silveira, Marcos Pereira Lopes, Roberto Gama Alves
We evaluated fungal biomass (as ergosterol concentration) and invertebrate colonization during leaf breakdown of Picramnia sellowii Planch. (Picramniaceae) in pools and riffles of three low-order forested streams in southeastern Brazil. We hypothesized that leaf breakdown will be higher in riffles due to the high physical fragmentation and fungal activity. The experiment was carried out during the dry season of 2012, using 108 litter bags, each containing 3 ± 0.05 g of air-dried leaves. After 7, 15, 30, 60, 90, and 120 d of incubation, six litter bags (riffle = 3 and pool = 3) were removed from each stream...
January 1, 2017: Journal of Insect Science
https://www.readbyqxmd.com/read/28423386/early-longitudinal-spectral-domain-optical-coherence-tomography-findings-in-subacute-sclerosing-panencephalitis
#14
João Beato, Manuel S Falcão, Henrique Costa, Luís Figueira, Renato Santos-Silva, Susana Penas, Elisete Brandão, Ângela Carneiro, Fernando Falcão-Reis
No abstract text is available yet for this article.
May 2017: Retina
https://www.readbyqxmd.com/read/28423066/influence-of-maternal-anxiety-on-child-anxiety-during-dental-care-cross-sectional-study
#15
Paloma Busato, Raíssa Rigo Garbín, Catielma Nascimento Santos, Luiz Renato Paranhos, Lilian Rigo
CONTEXT AND OBJECTIVES: Anxiety is usually classified as a disorder of neurotic nature and is often related to contexts of stress, which may include worries, motor tension and autonomic hyperactivity. The aim of this study was to assess the influence of mothers' anxiety on their children's anxiety during dental care. DESIGN AND SETTING: Analytical cross-sectional study conducted at in a private dentistry school in the south of Brazil. METHODS: Convenience sampling was used...
April 13, 2017: São Paulo Medical Journal, Revista Paulista de Medicina
https://www.readbyqxmd.com/read/28422425/negativization-of-viremia-prior-to-liver-transplant-reduces-early-allograft-dysfunction-in-hepatitis-c-recipients
#16
Silvia Martini, Francesco Tandoi, Lodovico Terzi di Bergamo, Silvia Strona, Bruna Lavezzo, Marco Sacco, Francesca Maione, Federica Gonella, Paolo Strignano, Dominic Dell Olio, Mauro Salizzoni, Giorgio Maria Saracco, Renato Romagnoli
Although early allograft dysfunction (EAD) negatively impacts on survival from the first months following liver transplantation (LT), direct-acting antivirals (DAAs) have revolutionized HCV therapy. We investigated the EAD definition best predicting 90-day graft loss and identified EAD risk factors in HCV positive recipients. From 11-2002 to 06-2016, 603 HCV-positive patients (hepatocellular carcinoma 53.4%) underwent a first LT with HCV-negative donors. Median recipient MELD score 15, median donor age 63 years...
April 19, 2017: Liver Transplantation
https://www.readbyqxmd.com/read/28422165/structural-basis-of-inhibition-of-lipid-linked-oligosaccharide-flippase-pglk-by-a-conformational-nanobody
#17
Camilo Perez, Martin Köhler, Daniel Janser, Els Pardon, Jan Steyaert, Renato Zenobi, Kaspar P Locher
PglK is an ABC transporter that flips a lipid-linked oligosaccharide (LLO) that serves as a donor in protein N-glycosylation. Previous structures revealed two inward-facing conformations, both with very large separations of the nucleotide binding domains (NBDs), and a closed, ADP-bound state that featured an occluded cavity. To investigate additional states, we developed conformation-sensitive, single-domain camelid nanobodies (Nb) and studied their effect on PglK activity. Biochemical, structural, and mass spectrometric analyses revealed that one inhibitory Nb binds as a single copy to homodimeric PglK...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28420799/neonatal-hypothyroidism-does-not-increase-sertoli-cell-proliferation-in-inos-mice
#18
Nathalia de Lima E Martins Lara, Luiz Renato de França
Sertoli cell (SC) proliferation in mice occurs until two weeks after birth and is mainly regulated by FSH and thyroid hormones. Previous studies have shown that transient neonatal hypothyroidism in laboratory rodents is able to extend SC mitotic activity, leading ultimately to higher testis size and daily sperm production (DSP) in adult animals. Moreover, we have shown that due to higher SC proliferation and lower germ cell apoptosis, iNOS deficiency in mice also results in higher testis size and DSP. Although the cell size was smaller, the Leydig cells (LC) number per testis also significantly increased in iNOS(-/-) mice...
April 18, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28420110/chemical-sensors-and-biosensors-in-italy-a-review-of-the-2015-literature
#19
REVIEW
Dario Compagnone, Girolamo Di Francia, Corrado Di Natale, Giovanni Neri, Renato Seeber, Antonella Tajani
The contributions of Italian researchers to sensor research in 2015 is reviewed. The analysis of the activities in one year allows one to obtain a snapshot of the Italian scenario capturing the main directions of the research activities. Furthermore, the distance of more than one year makes meaningful the bibliometric analysis of the reviewed papers. The review shows a research community distributed among different scientific disciplines, from chemistry, physics, engineering, and material science, with a strong interest in collaborative works...
April 14, 2017: Sensors
https://www.readbyqxmd.com/read/28419317/high-dose-and-high-frequency-lanreotide-autogel-in-acromegaly-a-randomized-multicenter-study
#20
Andrea Giustina, Gherardo Mazziotti, Salvatore Cannavò, Roberto Castello, Giorgio Arnaldi, Giovanna Bugari, Renato Cozzi, Diego Ferone, Anna Maria Formenti, Enza Gatti, Silvia Grottoli, Pietro Maffei, Filippo Maffezzoni, Marcella Montini, Massimo Terzolo, Ezio Ghigo
Context: The increase in drug frequency or dose is recommended for acromegaly patients with partial response to long-acting somatostatin receptor ligands (SRLs). However, the efficacy and safety data with lanreotide autogel (LAN-ATG) at high-dose (HD) or high-frequency (HF) are still scanty and anecdotal. Objective: To evaluate the biochemical efficacy and safety of HF- and HD LAN-ATG in patients with active acromegaly. Design: 24-week prospective, multicentre, randomized, open-label trial...
April 17, 2017: Journal of Clinical Endocrinology and Metabolism
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