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J B Olivato, J Marini, F Yamashita, E Pollet, M V E Grossmann, L Avérous
The effects of sepiolite addition (0, 1, 3 and 5wt%) were evaluated on dynamic-mechanical behaviour, water uptake, thermal and optical properties of thermoplastic starch (TPS)/poly (butylene adipate-co-terephthalate) (PBAT) nano-biocomposites, with different TPS/PBAT (w/w) ratios and nanofiller contents. The results highlighted the improvement of the dynamic-mechanical behaviour with the addition of sepiolite, producing high performance materials. An increase of 25°C in the Tg of TPS was recorded by DMTA analysis at sepiolite content of 5wt%...
January 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
Gaia Palmini, Roberto Zonefrati, Carmelo Mavilia, Alessandra Aldinucci, Ettore Luzi, Francesca Marini, Alessandro Franchi, Rodolfo Capanna, Annalisa Tanini, Maria Luisa Brandi
The current improvements in therapy against osteosarcoma (OS) have prolonged the lives of cancer patients, but the survival rate of five years remains poor when metastasis has occurred. The Cancer Stem Cell (CSC) theory holds that there is a subset of tumor cells within the tumor that have stem-like characteristics, including the capacity to maintain the tumor and to resist multidrug chemotherapy. Therefore, a better understanding of OS biology and pathogenesis is needed in order to advance the development of targeted therapies to eradicate this particular subset and to reduce morbidity and mortality among patients...
October 14, 2016: Journal of Visualized Experiments: JoVE
Elisa Bustaffa, Annamaria De Marinis Loiotile, Genoveffa Farella, Stefania Petraccone, Gianluigi De Gennaro, Fabrizio Bianchi
La continua espansione delle attività di perforazione ai fini dell'estrazione petrolifera in prossimità di aree abitate ha fatto sì che negli ultimi anni l'attenzione si focalizzasse sull'impatto di questo processo fortemente industrializzato sulla salute pubblica. Le comunità che vivono nei dintorni di impianti di questo tipo devono, infatti, fronteggiare diversi problemi, quali l'inquinamento atmosferico e acustico, la contaminazione del suolo e delle acque sotterranee, il traffico dei camion da e verso il sito, incidenti e malfunzionamenti all'interno dell'impianto...
September 2016: Epidemiologia e Prevenzione
Jiangming Sun, Yang De Marinis, Peter Osmark, Pratibha Singh, Annika Bagge, Bérengère Valtat, Petter Vikman, Peter Spégel, Hindrik Mulder
RNA editing is a post-transcriptional alteration of RNA sequences that, via insertions, deletions or base substitutions, can affect protein structure as well as RNA and protein expression. Recently, it has been suggested that RNA editing may be more frequent than previously thought. A great impediment, however, to a deeper understanding of this process is the paramount sequencing effort that needs to be undertaken to identify RNA editing events. Here, we describe an in silico approach, based on machine learning, that ameliorates this problem...
2016: PloS One
Damien Seth Hunter, Susan J Hazel, Karen L Kind, Hong Liu, Danila Marini, Lynne C Giles, Miles J De Blasio, Julie A Owens, Julia B Pitcher, Kathryn L Gatford
Poor perinatal growth in humans results in asymmetrical grey matter loss in fetuses and infants and increased functional and behavioural asymmetry, but specific contributions of pre- and postnatal growth are unclear. We therefore compared strength and direction of lateralization in obstacle avoidance and maze exit preference tasks in offspring of placentally restricted (PR: 10M, 13F) and control (CON: 23M, 17F) sheep pregnancies at 18 and 40 weeks of age, and examined gross brain structure of the prefrontal cortex at 52 weeks of age (PR: 14M, 18F; CON: 23M, 25F)...
October 19, 2016: Laterality
Andrew V Dane, Zopito A Marini, Anthony A Volk, Tracy Vaillancourt
Taking an evolutionary psychological perspective, we investigated whether involvement in bullying as a perpetrator or victim was more likely if adolescents reported having more dating and sexual partners than their peers, an indication of greater engagement in competition for mates. A total of 334 adolescents (173 boys, 160 girls) between the ages of 12 and 16 years (M = 13.6, SD = 1.3), recruited from community youth organizations, completed self-report measures of physical and relational bullying and victimization, as well as dating and sexual behavior...
October 17, 2016: Aggressive Behavior
Beejal R Ganti, Bernard L Marini, Jerod Nagel, Dale Bixby, Anthony J Perissinotti
PURPOSE: This study evaluated the impact of antibacterial prophylaxis with levofloxacin in relapsed/refractory acute myeloid leukemia (AML) patients. METHODS: This was a retrospective, single-center, cohort study. Adult patients with relapsed/refractory AML admitted for reinduction chemotherapy between November 1, 2006 and June 15, 2015 were screened for inclusion. A protocol initiating levofloxacin prophylaxis was implemented on December 1, 2013. Patients receiving hypomethylating agents (decitabine/azacitidine) were not administered antibacterial prophylaxis and thus not included in this analysis...
October 14, 2016: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
F Barchetti, A Stagnitti, V Megna, N Al Ansari, A Marini, D Musio, M L Monti, G Barchetti, V Tombolini, C Catalano, V Panebianco
OBJECTIVE: The aim of this study was to evaluate the accuracy of unenhanced whole-body MRI, including whole-body Diffusion Weighted Imaging (DWI), used as a diagnostic modality to detect  pathologic lymph nodes and skeletal metastases in patients with prostate cancer (PCa) undergoing restaging after primary treatment. PATIENTS AND METHODS: 152 male patients with biochemical recurrence after radical prostatectomy (RP) or external beam radiation therapy (EBRT) underwent MRI at a 1...
September 2016: European Review for Medical and Pharmacological Sciences
Débora de Paula Michelatto, Leif Karlsson, Ana Letícia Gori Lusa, Camila D'Almeida Mgnani Silva, Linus Joakim Östberg, Bengt Persson, Gil Guerra-Júnior, Sofia Helena Valente de Lemos-Marini, Michela Barbaro, Maricilda Palandi de Mello, Svetlana Lajic
We present the functional and structural effects of seven novel (p.Leu12Met, p.Arg16Cys, p.Ser101Asn, p.Ser202Gly, p.Pro267Leu, p.Gln389_Ala391del, and p.Thr450Met) and two previously reported but not studied (p.Ser113Phe and p.Thr450Pro) CYP21A2 mutations. Functional analyses were complemented with in silico prediction of mutation pathogenicity based on the recently crystallized human CYP21A2 structure. Mutated proteins were transiently expressed in COS-1 cells and enzyme activities towards 17-hydroxyprogesterone and progesterone were determined...
2016: International Journal of Endocrinology
Giovanni Gherardi, Claudio Palmieri, Emanuela Marini, Arianna Pompilio, Valentina Crocetta, Giovanni Di Bonaventura, Roberta Creti, Bruna Facinelli
This study aimed to retrospectively identify 22Streptococcus bovis clinical strains based on the new taxonomy, as well as to investigate their antibiotic-resistance and clonality. Strains were identified by Phoenix100 system, 16S rRNA sequencing, and two MALDI-TOF MS platforms (Bruker Biotyper, Vitek MS). Antibiotic resistance was determined both phenotypically and genotypically, and clonality was assessed by PFGE. Most of strains (63.6%) were isolated from urine, and diabetes was the most common underlying disease (31...
September 24, 2016: Diagnostic Microbiology and Infectious Disease
Elvira Sondo, Emanuela Pesce, Valeria Tomati, Monica Marini, Nicoletta Pedemonte
BACKGROUND: Deletion of phenylalanine 508 is the most frequent mutation causing cystic fibrosis. It causes multiple defects: 1) misfolding of the protein causing retention at the ER (processing defect); 2) reduced channel activity (gating defect); 3) reduced plasma membrane residency time due to increased internalization rate and defective recycling. METHODS: Druggability of F508del-CFTR was demonstrated by several studies. Correctors are molecules able to improve maturation and trafficking to the membrane of F508del-CFTR...
October 6, 2016: Current Pharmaceutical Design
Luigi Giannetti, Giovanni Ferretti, Valentina Gallo, Francesco Necci, Andrea Giorgi, Francesca Marini, Elisa Gennuso, Bruno Neri
Beta-sympathomimetic compounds are widely used in therapy because of the bronchodilator, smooth muscle-relaxant and tocolytic properties. However, their growth promoting and performance enhancing effects are often subject to illegal use. The present work describes the development of a fast and reliable analytical multiresidue method for the confirmation 20 β-agonist compounds in animal hair. The procedure is based on alkaline digestion, LLE with organic solvents, SPE clean up and liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) analysis, and is suitable for the public Official control of β-agonist residues in hair sample...
September 28, 2016: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
Alessandra Guarini, Francesca De Marinis, Anna Kohn, Nicoletta Orzes, Renata D'Incà, Teresa Iannone, Antonella Giaquinto, Cinzia Rivara, Lorenzo Ridola, Roberto Lorenzetti, Angelo Zullo
BACKGROUND: Management of inflammatory bowel disease (IBD) patients requires a multidisciplinary approach. Among the working team, the role of IBD nurse is expected to be particularly relevant when managing patients receiving biological therapies. We performed a survey to assess the presence of IBD nurse in centers where patients were receiving biologics. METHODS: For this Italian nationwide survey a specific questionnaire was prepared. IBD nurse was defined as a nurse directly involved in all phases of biological therapy, from pre-therapy screening, administration and monitoring during therapy, to follow up performed by a dedicated helpline, completed a specific training on biological therapy therapy, and observed international guidelines...
October 2016: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
Valentina Biagioli, Michela Piredda, Maria Rita Mauroni, Rosaria Alvaro, Maria Grazia De Marinis
PURPOSE: Patients undergoing allogeneic haematopoietic stem cell transplantation (HSCT) usually receive hospital care in protective isolation until full neutrophil recovery. Although the aim of protective isolation is to benefit patients' health by preventing risks of infection, it could have severe psychological implications. The aim of this study was to explore the lived experiences of protective isolation in adult patients who had been treated with allogeneic HSCT. METHOD: A descriptive phenomenological inquiry based on Giorgi's approach was conducted in a university hospital in Italy...
October 2016: European Journal of Oncology Nursing: the Official Journal of European Oncology Nursing Society
Raffaele Manta, Elisabetta Nardi, Nico Pagano, Claudio Ricci, Mariano Sica, Danilo Castellani, Helga Bertani, Micaela Piccoli, Barbara Mullineris, Alberto Tringali, Francesco Marini, Ugo Germani, Vincenzo Villanacci, Riccardo Casadei, Massimiliano Mutignani, Rita Conigliaro, Gabrio Bassotti, Angelo Zullo
BACKGROUND AND AIMS: Diagnosis of pancreatic neuroendocrine tumors (p-NETs) is frequently challenging. We describe a large series of patients with p-NETs in whom both pre-operative Computed Tomography (CT) and Endoscopic Ultrasonography (EUS) were performed. METHODS: This was a retrospective analysis of prospectively collected sporadic p-NET cases. All patients underwent both standard multidetector CT study and EUS with fine-needle aspiration (FNA). The final histological diagnosis was achieved on a post-surgical specimen...
September 2016: Journal of Gastrointestinal and Liver Diseases: JGLD
Antonella Grottola, Maurilia Marcacci, Sara Tagliazucchi, William Gennari, Annapia Di Gennaro, Massimiliano Orsini, Federica Monaco, Patrizia Marchegiano, Valeria Marini, Marisa Meacci, Fabio Rumpianesi, Alessio Lorusso, Monica Pecorari, Giovanni Savini
OBJECTIVES: We aimed to monitor the spread and to evaluate the role for public health of Usutu virus (USUV) in an endemic area of Italy. METHODS: The survey was retrospectively conducted by detecting USUV-RNA and USUV-antibodies in cerebrospinal fluid (CSF) and serum samples collected between 2008 and 2011 from 915 patients with or without neurological impairments in the area of the municipality of Modena, Italy. Real time RT-PCR was performed on CSF and serum specimens while serum-neutralization was used to detect antibodies...
September 24, 2016: Clinical Microbiology and Infection
Attia Anwar, Marina Marini, Provvidenza Maria Abruzzo, Alessandra Bolotta, Alessandro Ghezzo, Paola Visconti, Paul J Thornalley, Naila Rabbani
AIMS/HYPOTHESIS: To assess thiamine and related metabolite status by analysis of plasma and urine in autistic children and healthy controls, correlations to clinical characteristics and link to plasma protein markers of oxidative damage. METHODS: 27 children with autism (21 males and 6 females) and 21 (15 males and 6 females) age-matched healthy control children were recruited. The concentration of thiamine and related phosphorylated metabolites in plasma and urine and plasma protein content of dityrosine, N-formylkynurenine and 3-nitrotyrosine was determined...
September 25, 2016: Free Radical Research
S Grether-Beck, A Marini, T Jaenicke, W Stahl, J Krutmann
BACKGROUND: Increasing evidence suggests photo-protection by oral supplementation with ß-carotene and lycopene. OBJECTIVES: We examined the capacity of lycopene rich tomato nutrient complex (TNC) and lutein, to protect against UVA/B- and UVA1 radiation at a molecular level. METHODS: In a placebo-controlled, double blinded, randomized cross over study two actives containing either TNC or lutein were assessed for their capacity to decrease the expression of UVA1 radiation-inducible genes including heme oxygenase-1 (HO-1), intercellular adhesion molecule-1 (ICAM-1) and matrix metalloproteinase-1 (MMP-1)...
September 23, 2016: British Journal of Dermatology
J Maxwell, C Gwardschaladse, G Lombardo, P Petrone, A Policastro, D Karev, K Prabhakaran, A Betancourt, C P Marini
BACKGROUND: This study evaluated the impact of IC on the optimization of nutritional support and the achievement of +NB in patients with TBI. MATERIALS AND METHODS: 27 patients (GCS ≤ 8), treated with a 5-day multimodality monitoring and goal-directed therapy protocol, received enteral nutrition on day 1 followed by IC on days 3 and 5 and assessment of NB on day 7. In the first cohort (n = 11), no adjustment in kcal was made. In the second cohort (n = 16), nutrition was targeted to an RQ of 0...
September 22, 2016: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
Carolien G F de Kovel, Eva H Brilstra, Marjan J A van Kempen, Ruben Van't Slot, Isaac J Nijman, Zaid Afawi, Peter De Jonghe, Tania Djémié, Renzo Guerrini, Katia Hardies, Ingo Helbig, Rik Hendrickx, Moine Kanaan, Uri Kramer, Anna-Elina E Lehesjoki, Johannes R Lemke, Carla Marini, Davide Mei, Rikke S Møller, Manuela Pendziwiat, Hannah Stamberger, Arvid Suls, Sarah Weckhuysen, Bobby P C Koeleman
BACKGROUND: Many genes are candidates for involvement in epileptic encephalopathy (EE) because one or a few possibly pathogenic variants have been found in patients, but insufficient genetic or functional evidence exists for a definite annotation. METHODS: To increase the number of validated EE genes, we sequenced 26 known and 351 candidate genes for EE in 360 patients. Variants in 25 genes known to be involved in EE or related phenotypes were followed up in 41 patients...
September 2016: Molecular Genetics & Genomic Medicine
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