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https://www.readbyqxmd.com/read/28646020/mcam-mediates-chemoresistance-in-small-cell-lung-cancer-via-the-pi3k-akt-sox2-signaling-pathway
#1
Satyendra C Tripathi, Johannes F Fahrmann, Muge Celiktas, Mitzi Aguilar, Kieren D Marini, Mohit Kumar Jolly, Hiroyuki Katayama, Hong Wang, Eunice N Murage, Jennifer B Dennison, D Neil Watkins, Herbert Levine, Edwin J Ostrin, Ayumu Taguchi, Samir M Hanash
Despite favorable responses to initial therapy, small cell lung cancer (SCLC) relapse occurs within a year and exhibits resistance to multiple drugs. Due to limited accessibility of patient tissues for research purposes, SCLC-patient derived xenografts (PDX) have provided the best opportunity to address this limitation. Here we sought to identify novel mechanisms involved in SCLC chemoresistance. Through in-depth proteomic profiling, we identified MCAM as a markedly upregulated surface receptor in chemoresistant SCLC cell lines and in chemoresistant PDX compared to matched treatment-naïve tumors...
June 23, 2017: Cancer Research
https://www.readbyqxmd.com/read/28646013/doxorubicin-effect-on-myocardial-metabolism-as-a-pre-requisite-for-subsequent-development-of-cardiac-toxicity-a-translational-18-f-fdg-pet-ct-observation
#2
Matteo Bauckneht, Giulia Ferrarazzo, Francesco Fiz, Silvia Morbelli, Matteo Sarocchi, Fabio Pastorino, Alberto Ghidella, Elena Pomposelli, Maurizio Miglino, Pietro Ameri, Laura Emionite, Flavia Ticconi, Eleonora Arboscello, Ambra Buschiazzo, Elena Augusta Massimelli, Salvatore Fiordoro, Anna Borra, Vanessa Cossu, Annalisa Bozzano, Adalberto Ibatici, Mirco Ponzoni, Paolo Spallarossa, Andrea Gallamini, Paolo Bruzzi, Gianmario Sambuceti, Cecilia Marini
The present translational study aimed to verify whether serial (18)F-fluoro-deoxyglucose Positron Emission Tomography/Computed Tomography (FDG-PET/CT), predicts doxorubicin cardiotoxicity. Methods: Fifteen athymic mice were treated with intravenous administration of saline (n = 5), doxorubicin 5 mg/Kg (n = 5) or doxorubicin 7.5 mg/Kg (n = 5) and submitted to dynamic microPET scan to estimate left ventricular glucose consumption (LV-MRGlu) before and after chemotherapy. Thereafter, we retrospectively identified 69 patients successfully treated with Adriamycin, Bleomycin, Vinblastine, and Dacarbazine (ABVD) regimen for Hodgkin's Disease (HD) and submitted to four consecutive FDG-PET/CT scans...
June 23, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28645109/elevated-hemoglobin-glycation-index-identify-non-diabetic-individuals-at-increased-risk-of-kidney-dysfunction
#3
Teresa Vanessa Fiorentino, Maria Adelaide Marini, Elena Succurro, Angela Sciacqua, Francesco Andreozzi, Francesco Perticone, Giorgio Sesti
Hemoglobin glycation index (HGI), calculated as the difference between the observed value of HbA1 and the predicted HbA1c based on plasma glucose concentration, is a measure of the individual tendency toward non-enzymatic hemoglobin glycation which has been found to be positively associated with nephropathy in subjects with diabetes. In this cross-sectional study we aimed to evaluate whether higher HGI levels are associated with impaired kidney function also among nondiabetic individuals.The study group comprised 1505 White nondiabetic individuals stratified in quartiles according to HGI levels...
June 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28642279/role-of-myd88-signaling-in-the-imiquimod-induced-mouse-model-of-psoriasis-focus-on-innate-myeloid-cells
#4
Sara Costa, Olivia Marini, Dalila Bevilacqua, Anthony L DeFranco, Baidong Hou, Silvia Lonardi, William Vermi, Pamela Rodegher, Anna Panato, Franco Tagliaro, Clifford A Lowell, Marco A Cassatella, Giampiero Girolomoni, Patrizia Scapini
Psoriasis is a chronic skin disease associated with deregulated activation of immune cells and keratinocytes. In this study, we used the imiquimod (IMQ)-induced mouse model of psoriasis to dissect better the contribution of hematopoietic and skin-resident stromal cells to psoriasis development. The comparison of disease development in mice carrying the hematopoietic cell-specific deletion of MyD88 (Myd88(fl/fl)Vav-cre(+) mice) with mice carrying the total MyD88 deficiency (Myd88(-/-) mice), we show that the progression of skin and systemic inflammation, as well as of epidermal thickening, was completely dependent on MyD88 expression in hematopoietic cells...
June 22, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28635674/exploring-wound-healing-genomic-machinery-with-a-network-based-approach
#5
Francesca Vitali, Simone Marini, Martina Balli, Hanne Grosemans, Maurilio Sampaolesi, Yves A Lussier, Maria Gabriella Cusella De Angelis, Riccardo Bellazzi
The molecular mechanisms underlying tissue regeneration and wound healing are still poorly understood despite their importance. In this paper we develop a bioinformatics approach, combining biology and network theory to drive experiments for better understanding the genetic underpinnings of wound healing mechanisms and for selecting potential drug targets. We start by selecting literature-relevant genes in murine wound healing, and inferring from them a Protein-Protein Interaction (PPI) network. Then, we analyze the network to rank wound healing-related genes according to their topological properties...
June 21, 2017: Pharmaceuticals
https://www.readbyqxmd.com/read/28635330/multiple-functions-of-insulin-degrading-enzyme-a-metabolic-crosslight
#6
Grazia R Tundo, Diego Sbardella, Chiara Ciaccio, Giuseppe Grasso, Magda Gioia, Andrea Coletta, Fabio Polticelli, Donato Di Pierro, Danilo Milardi, Peter Van Endert, Stefano Marini, Massimo Coletta
Insulin-degrading enzyme (IDE) is a ubiquitous zinc peptidase of the inverzincin family, which has been initially discovered as the enzyme responsible for insulin catabolism; therefore, its involvement in the onset of diabetes has been largely investigated. However, further studies on IDE unraveled its ability to degrade several other polypeptides, such as β-amyloid, amylin, and glucagon, envisaging the possible implication of IDE dys-regulation in the "aggregopathies" and, in particular, in neurodegenerative diseases...
June 21, 2017: Critical Reviews in Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28634201/phosphoproteomic-profiling-reveals-alk-and-met-as-novel-actionable-targets-across-synovial-sarcoma-subtypes
#7
Emmy D G Fleuren, Myrella Vlenterie, Winette van der Graaf, Melissa H S Hillebrandt-Roeffen, James Blackburn, Xiuquan Ma, Howard Chan, Mandy C Magias, Anke van Erp, Laurens van Houdt, Sabri Cebeci, Amy van de Ven, Uta E Flucke, Erin E Heyer, David M Thomas, Christopher J Lord, Kieren D Marini, Vijesh Vaghjiani, Tim Mercer, Jason E Cain, Jianmin Wu, Yvonne M H Versleijen-Jonkers, Roger J Daly
Despite intensive multi-modal treatment of sarcomas, a heterogeneous group of malignant tumors arising from connective tissue, survival remains poor. Candidate-based targeted treatments have demonstrated limited clinical success, urging an unbiased and comprehensive analysis of oncogenic signaling networks to reveal therapeutic targets and personalized treatment strategies. Here we applied mass spectrometry-based phosphoproteomic profiling to the largest and most heterogeneous set of sarcoma cell lines characterized to date and identified novel tyrosine phosphorylation patterns, enhanced tyrosine kinases in specific subtypes, and potential driver kinases...
June 20, 2017: Cancer Research
https://www.readbyqxmd.com/read/28631765/-noninvasive-ventilation-and-sedation-evidence-and-practical-tools-for-its-utilization
#8
Ilaria Battistoni, Marco Marini, Giorgio Caretta, Fabio Vagnarelli, Fabiana Lucà, Emilia Biscottini, Alberto Lavorgna, Vincenza Procaccini, Letizia Riva, Gabriele Vianello, Nadia Aspromonte, Massimo Iacoviello, Renata De Maria, Serafina Valente, Michele Massimo Gulizia
Noninvasive ventilation (NIV) has gained increased acceptance inside the critical area, since it has been shown to be effective in reducing or avoiding the need for oro-tracheal intubation. NIV efficacy is dependent on the selection of the appropriate patients and on their compliance to therapy. Actually, full collaboration is not easily reached especially in agitated patients.Sedation during NIV is useful to reduce the rate of treatment failure, but robust data to guide the development of best practice are limited and sometimes local customs appear to exert a strong influence on patterns of care...
June 2017: Giornale Italiano di Cardiologia
https://www.readbyqxmd.com/read/28631764/-hemodynamic-effects-of-positive-end-expiratory-pressure
#9
Marco Marini, Giorgio Caretta, Fabio Vagnarelli, Fabiana Lucà, Emilia Biscottini, Alberto Lavorgna, Vincenza Procaccini, Letizia Riva, Gabriele Vianello, Nadia Aspromonte, Andrea Mortara, Renata De Maria, Piera Capasso, Serafina Valente, Michele Massimo Gulizia
The application of a positive end-expiratory pressure (PEEP), the cornerstone of noninvasive ventilation (NIV), causes hemodynamic changes in the cardiovascular system. To understand the benefits of NIV it is necessary to resume concepts of cardiovascular physiology and pathophysiology about cardiac function determinants, venous return, ventricular interdependence and heart-lung interaction, and to understand how PEEP interacts with them. The hemodynamic effects of PEEP are mediated by the increase in transpulmonary pressure, which results in increased pulmonary vascular resistance and in an attending small reduction of venous return in conditions of euvolemia, in a substantial reduction of left ventricular afterload and a potential positive effect on left ventricular stroke volume...
June 2017: Giornale Italiano di Cardiologia
https://www.readbyqxmd.com/read/28631763/-noninvasive-ventilation-general-characteristics-indications-and-review-of-the-literature
#10
Fabio Vagnarelli, Marco Marini, Giorgio Caretta, Fabiana Lucà, Emilia Biscottini, Alberto Lavorgna, Vincenza Procaccini, Letizia Riva, Gabriele Vianello, Nadia Aspromonte, Daniela Pini, Alessandro Navazio, Renata De Maria, Serafina Valente, Michele Massimo Gulizia
Noninvasive ventilation (NIV), including both continuous and bilevel positive airway pressure, plays a pivotal role in the treatment of acute respiratory failure secondary to acute heart failure. For an appropriate use of NIV, it is essential to consider the underlying pathophysiological principles, the differences between the different modes of ventilation, the main indications, contraindications and complications. The aim of this review is also to give practical guidance on how and when to start NIV at the bedside, how to monitor the response and how to choose the most appropriate interface...
June 2017: Giornale Italiano di Cardiologia
https://www.readbyqxmd.com/read/28625144/detection-of-poor-quality-artemisinin-based-combination-therapy-act-medicines-marketed-in-benin-using-simple-and-advanced-analytical-techniques
#11
Achille Yemoa, Védaste Habyalimana, Jérémie K Mbinze, Victoria Crickboom, Benjamin Muhigirwa, Agnès Ngoya, Pierre-Yves Sacré, Fernand Gbaguidi, Joëlle Quetin-Leclercq, Philippe Hubert, Roland D Marini
BACKGROUND: Poor quality antimalarial medicines still represent a threat to the public health, especially in Sub-Saharan Africa who bears a disproportionate share of the global burden of malaria. It is essential and urgent to strengthen mechanisms against counterfeit medicines. One of the approaches is regular market surveillance through quality controls. METHODS: 12 samples of artemether/lumefantrine were collected from formal and informal drug sellers in Cotonou (Benin) as well as additional other similar samples from Rwanda (13 samples) and from D...
June 15, 2017: Current Drug Safety
https://www.readbyqxmd.com/read/28624464/complex-phenotypes-associated-with-stim1-mutations-in-both-coiled-coil-and-ef-hand-domains
#12
Elizabeth Harris, Umar Burki, Chiara Marini-Bettolo, Marcella Neri, Chiara Scotton, Judith Hudson, Marta Bertoli, Teresinha Evangelista, Bas Vroling, Tuomo Polvikoski, Mark Roberts, Ana Töpf, Kate Bushby, Daniel McArthur, Hanns Lochmüller, Alessandra Ferlini, Volker Straub, Rita Barresi
Dominant mutations in STIM1 are a cause of three allelic conditions: tubular aggregate myopathy, Stormorken syndrome (a complex phenotype including myopathy, hyposplenism, hypocalcaemia and bleeding diathesis), and a platelet dysfunction disorder, York platelet syndrome. Previous reports have suggested a genotype-phenotype correlation with mutations in the N-terminal EF-hand domain associated with tubular aggregate myopathy, and a common mutation at p.R304W in a coiled coil domain associated with Stormorken syndrome...
May 4, 2017: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/28623979/placental-glucose-transporter-glut-1-is-down-regulated-in-preeclampsia
#13
Benjamin P Lüscher, Camilla Marini, Marianne S Joerger-Messerli, Xiao Huang, Matthias A Hediger, Christiane Albrecht, Marc U Baumann, Daniel V Surbek
INTRODUCTION: Transplacental fetal glucose supply is predominantly regulated by glucose transporter-1 (GLUT1). Altered expression and/or function of GLUT1 may affect the intrauterine environment, which could compromise fetal development and may contribute to fetal programming. To date it is unknown whether placental GLUT1 is affected by preeclampsia, which is often associated with intrauterine growth restriction (IUGR). We addressed the hypothesis that preeclampsia leads to decreased expression and function of placental GLUT1...
July 2017: Placenta
https://www.readbyqxmd.com/read/28622382/correction-aberrant-neuronal-activity-induced-signaling-and-gene-expression-in-a-mouse-model-of-rasopathy
#14
Franziska Altmüller, Santosh Pothula, Anil Annamneedi, Saeideh Nakhaei-Rad, Carolina Montenegro-Venegas, Eneko Pina-Fernández, Claudia Marini, Monica Santos, Denny Schanze, Dirk Montag, Mohammad R Ahmadian, Oliver Stork, Martin Zenker, Anna Fejtova
[This corrects the article DOI: 10.1371/journal.pgen.1006684.].
June 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28621970/anomalies-in-the-charge-yields-of-fission-fragments-from-the-238-u-n-f-reaction
#15
J N Wilson, M Lebois, L Qi, P Amador-Celdran, D Bleuel, J A Briz, R Carroll, W Catford, H De Witte, D T Doherty, R Eloirdi, G Georgiev, A Gottardo, A Goasduff, K Hadyńska-Klęk, K Hauschild, H Hess, V Ingeberg, T Konstantinopoulos, J Ljungvall, A Lopez-Martens, G Lorusso, R Lozeva, R Lutter, P Marini, I Matea, T Materna, L Mathieu, A Oberstedt, S Oberstedt, S Panebianco, Zs Podolyák, A Porta, P H Regan, P Reiter, K Rezynkina, S J Rose, E Sahin, M Seidlitz, O Serot, R Shearman, B Siebeck, S Siem, A G Smith, G M Tveten, D Verney, N Warr, F Zeiser, M Zielinska
Fast-neutron-induced fission of ^{238}U at an energy just above the fission threshold is studied with a novel technique which involves the coupling of a high-efficiency γ-ray spectrometer (MINIBALL) to an inverse-kinematics neutron source (LICORNE) to extract charge yields of fission fragments via γ-γ coincidence spectroscopy. Experimental data and fission models are compared and found to be in reasonable agreement for many nuclei; however, significant discrepancies of up to 600% are observed, particularly for isotopes of Sn and Mo...
June 2, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28620702/optic-neuropathy-due-to-nutritional-deficiency-in-a-male-adolescent-with-avoidant-restrictive-food-intake-disorder-a-case-report
#16
Francesca Chiarello, Elisa Marini, Andrea Ballerini, Valdo Ricca
No abstract text is available yet for this article.
June 15, 2017: Eating and Weight Disorders: EWD
https://www.readbyqxmd.com/read/28620108/marini-o-costa-s-bevilacqua-d-et-al-mature-cd10-and-immature-cd10-neutrophils-present-in-g-csf-treated-donors-display-opposite-effects-on-t-cells-blood-2017-129-10-1343-1356
#17
https://www.readbyqxmd.com/read/28617261/health-promotion-theories-in-nutritional-interventions-for-community-dwelling-older-adults-a-systematic-review
#18
Barbara Raffaele, Maria Matarese, Rosaria Alvaro, Maria Grazia De Marinis
OBJECTIVE: To identify theories applied in interventions promoting healthy nutrition among community-dwelling older adults and determine the efficacy of theories in changing knowledge, attitudes, and behaviors. MATERIAL AND METHODS: The PubMed, PsycINFO, Embase, and ERIC databases were searched for English articles from January 1990 to December 2015. Mono or multicomponent randomized controlled trial studies were included, whereas research on nutritional interventions related to acute or chronic diseases were excluded...
April 2017: Annali Dell'Istituto Superiore di Sanità
https://www.readbyqxmd.com/read/28611027/the-intestinal-renal-axis-for-arginine-synthesis-is-present-and-functional-in-the-neonatal-pig
#19
Juan C Marini, Umang Agarwal, Jason L Robinson, Yang Yuan, Inka Cajo Didelija, Barbara Stoll, Douglas G Burrin
The intestinal-renal axis for endogenous arginine synthesis is an interorgan process in which citrulline produced in the small intestine is utilized by the kidney for arginine synthesis. The function of this axis in neonates has been questioned because during this period the enzymes needed for arginine synthesis argininosuccinate synthase and lyase (ASS1 and ASL) are present in the gut. However, evidence of high plasma citrulline concentrations in neonates suggests otherwise. We quantified in vivo citrulline production in premature (10 d preterm), neonatal (7 d old) and young pigs (35 d old) using citrulline tracers...
June 13, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28609193/dna-methylome-profiling-on-the-infinium-humanmethylation450-array-from-limiting-quantities-of-genomic-dna-from-a-single-small-archived-bloodspot
#20
Kripa Asrani, Gary M Shaw, Jasper Rine, Nicholas J Marini
AIMS: Archived newborn bloodspots are valuable sample collections for genetic and epigenetic disease research. However, they have often been stored for long periods of time, under less than ideal circumstances, and nucleic acid yields can be low, particularly when samples become limiting. We wished to determine whether the quantity and quality of genomic DNA (gDNA) isolated from a single, surgical bloodspot punch (2 mm dia.) were adequate for accurate and reliable DNA methylome profiling on the Illumina HumanMethylation450 array...
June 13, 2017: Genetic Testing and Molecular Biomarkers
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