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https://www.readbyqxmd.com/read/28482356/heart-type-fatty-acid-binding-protein-after-ultramarathon-running-and-relationship-with-high-sensitivity-troponin-i
#1
Giuseppe Lippi, Mariella Dipalo, Rosalia Aloe, Gian Luca Salvagno, Federico Schena
No abstract text is available yet for this article.
December 2016: Journal of Cardiovascular Medicine
https://www.readbyqxmd.com/read/28477031/fulvestrant-500-milligrams-as-endocrine-therapy-for-endocrine-sensitive-advanced-breast-cancer-patients-in-the-real-world-the-ful500-prospective-observational-trial
#2
Luca Moscetti, Maria Agnese Fabbri, Clara Natoli, Patrizia Vici, Teresa Gamucci, Isabella Sperduti, Laura Iezzi, Elena Iattoni, Laura Pizzuti, Carmine Roma, Angela Vaccaro, Giuliana D'Auria, Mariella Mauri, Lucia Mentuccia, Antonino Grassadonia, Maddalena Barba, Enzo Maria Ruggeri
The observational prospective trial herein presented aimed at evaluating the efficacy of fulvestrant 500 mg in the treatment of endocrine sensitive advanced breast cancer patients from the real world setting. The primary end point was clinical benefit rate (CBR). Secondary end points were overall survival (OS), progression free survival (PFS) and tolerability. One hundred sixty three patients were enrolled. At a median follow up of 20 months, the 61% of patients reached CBR, whose median duration was 10.8 months...
April 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/28476462/new-insights-into-the-antioxidant-activity-and-cytotoxicity-of-arzanol-and-effect-of-methylation-on-its-biological-properties
#3
Antonella Rosa, Angela Atzeri, Mariella Nieddu, Giovanni Appendino
The heterodimeric phloroglucinyl pyrone arzanol (Arz) has raised considerable interest because of its antiviral, anti-inflammatory, and antioxidant activity. We have investigated the effect of methylation of the pyrone moiety on the antioxidant activity and cytotoxicity of Arz. This manoeuvre, that left the polyphenolic moiety unscathed, was nevertheless detrimental for antioxidant activity in both the cholesterol thermal degradation- and the Cu(2+)-induced liposome oxidation assays, providing evidence of structure-activity relationships that go beyond the preservation of the polyphenolic pharmacophore...
May 3, 2017: Chemistry and Physics of Lipids
https://www.readbyqxmd.com/read/28475942/distinct-cognitive-performance-and-patterns-of-drug-use-among-early-and-late-onset-cocaine-users
#4
Bruna Mayara Lopes, Priscila Dib Gonçalves, Mariella Ometto, Bernardo Dos Santos, Mikael Cavallet, Tiffany Moukbel Chaim-Avancini, Mauricio Henriques Serpa, Sergio Nicastri, André Malbergier, Geraldo F Busatto, Arthur Guerra de Andrade, Paulo Jannuzzi Cunha
INTRODUCTION: Adolescence is a crucial period for neurodevelopment, but few studies have investigated the impact of early cocaine use on cognitive performance and patterns of substance use. METHODS: We evaluated 103 cocaine dependent inpatients divided in two groups: early-onset users (EOG; n=52), late-onset users (LOG; n=51), and 63 healthy controls. Neuropsychological functioning was evaluated using Digits Forward (DF) and Backward (DB), Trail Making Test (TMT), Stroop Color Word Test (SCWT), Controlled Oral Word Association Test (COWAT), Wisconsin Card Sorting Test (WCST), Rey Osterrieth Complex Figure Test (ROCFT), Frontal Assessment Battery (FAB), and Iowa Gambling Test (IGT)...
April 29, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28467974/expression-of-sialyl-tn-sugar-antigen-in-bladder-cancer-cells-affects-response-to-bacillus-calmette-gu%C3%A3-rin-bcg-and-to-oxidative-damage
#5
Paulo F Severino, Mariana Silva, Mylene Carrascal, Nadia Malagolini, Mariella Chiricolo, Giulia Venturi, Annalisa Astolfi, Mariangela Catera, Paula A Videira, Fabio Dall'Olio
The sialyl-Tn (sTn) antigen is an O-linked carbohydrate chain aberrantly expressed in bladder cancer (BC), whose biosynthesis is mainly controlled by the sialyltransferase ST6GALNAC1. Treatment with Bacillus Calmette-Guérin (BCG) is the most effective adjuvant immunotherapy for superficial BC but one third of the patients fail to respond. A poorly understood correlation between the expression of sTn and BC patient's response to BCG was previously observed. By analyzing tumor tissues, we showed that patients with high ST6GALNAC1 and IL-6 mRNA expression were BCG responders...
April 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28454109/anthropometric-clinical-and-molecular-determinants-of-treatment-outcomes-in-postmenopausal-hormone-receptor-positive-metastatic-breast-cancer-patients-treated-with-fulvestrant-results-from-a-real-word-setting
#6
Laura Pizzuti, Clara Natoli, Teresa Gamucci, Mariella Mauri, Domenico Sergi, Luigi Di Lauro, Giancarlo Paoletti, Enzo Ruggeri, Laura Iezzi, Isabella Sperduti, Lucia Mentuccia, Agnese Fabbri, Marcello Maugeri-Saccà, Luca Moscetti, Maddalena Barba, Patrizia Vici
To characterize determinants of treatment outcome in a real world population of 161 post-menopausal hormone receptor-positive metastatic breast cancer patients treated with fulvestrant. Descriptive statistics for demographics, anthropometrics, clinical and molecular characteristic were compared across subgroups of sensitivity/resistance to prior endocrine therapy and tested in uni/multivariate models. Clinical benefit was more common in sensitive patients with higher estrogen receptor expression and when fulvestrant was given in first line (p=0...
April 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28449369/exposure-to-the-insecticide-endosulfan-induces-liver-morphology-alterations-and-oxidative-stress-in-fruit-eating-bats-artibeus-lituratus
#7
Jerusa Maria Oliveira, Alessandro Brinati, Liany Divina Lima Miranda, Danielle Barbosa Morais, José Cola Zanuncio, Reggiani Vilela Gonçalves, Maria do Carmo Gouveia Peluzio, Mariella Bontempo Freitas
Exposure to pesticides may increase the generation of reactive oxygen species (ROS), leading to oxidation of cell membrane lipids and proteins. Although fruit bats are potentially exposed to pesticides during their entire lifespan, the impacts of this exposure are still poorly investigated. We examined the effects of low, commercially recommended concentrations (0, 1.05 and 2.1 g/l) of an organochlorine insecticide endosulfan (EDS) formulation on oxidative responses in the liver and kidneys of Neotropical fruit bats (Artibeus lituratus), as well as possible liver morphological alterations following a 35-day oral exposure...
April 27, 2017: International Journal of Experimental Pathology
https://www.readbyqxmd.com/read/28445460/polyglutamine-tracts-regulate-beclin-1-dependent-autophagy
#8
Avraham Ashkenazi, Carla F Bento, Thomas Ricketts, Mariella Vicinanza, Farah Siddiqi, Mariana Pavel, Ferdinando Squitieri, Maarten C Hardenberg, Sara Imarisio, Fiona M Menzies, David C Rubinsztein
Nine neurodegenerative diseases are caused by expanded polyglutamine (polyQ) tracts in different proteins, such as huntingtin in Huntington's disease and ataxin 3 in spinocerebellar ataxia type 3 (SCA3). Age at onset of disease decreases with increasing polyglutamine length in these proteins and the normal length also varies. PolyQ expansions drive pathogenesis in these diseases, as isolated polyQ tracts are toxic, and an N-terminal huntingtin fragment comprising exon 1, which occurs in vivo as a result of alternative splicing, causes toxicity...
May 4, 2017: Nature
https://www.readbyqxmd.com/read/28441010/instrumental-setup-for-simultaneous-total-and-speciation-analysis-of-volatile-arsenic-compounds-in-gas-and-liquefied-gas-samples
#9
Laura Freije-Carrelo, Mariella Moldovan, J Ignacio García Alonso, Thuy Diep Thanh Vo, Jorge Ruiz Encinar
Although analysis of metals and metalloids, such as arsenic, is widely spread in many different fields, their analysis in gas and liquefied gas samples is still a challenge. A new GC-ICP-MS set up has been developed for their simultaneous total and speciation analysis in gas and liquefied gas samples without the need of a preconcentration step. An arsine in nitrogen standard was used for optimization and evaluation of the system. Good linearity and detection limits in the very low ppt level for both total and speciation analyses were found...
May 8, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28435647/helical-tomotherapy%C3%A2-is-a-safe-and-feasible-technique-for-total-scalp-irradiation
#10
Francesco Cuccia, Vanessa Figlia, Antonella Palmeri, Francesco Verderame, Antonio Lo Casto, Mariella Mannino, Giuseppe Ferrera
Angiosarcoma of the scalp is a rare aggressive tumor that affects elderly patients. Chemoradiation is the treatment of choice for multicentric and extensive disease. The shape of the scalp represents a dosimetric challenge in terms of achieving a homogeneous concave dose distribution with coverage of the entire target volume and an acceptable organs-at-risk sparing. We report a case of an 81-year-old man with a multifocal angiosarcoma of the scalp treated with Helical TomoTherapy® (Accuray Inc., Sunnyvale, CA, USA) intensity modulated radiotherapy...
March 24, 2017: Rare Tumors
https://www.readbyqxmd.com/read/28424964/pharmacodynamic-effects-in-the-cerebrospinal-fluid-of-rats-after-intravenous-administration-of-different-asparaginase-formulations
#11
Andrea Ballerini, Federico Moro, Ilaria Fuso Nerini, Claudio Marcello Marzo, Angelo Di Clemente, Mariella Ferrari, Maurizio D'Incalci, Andrea Biondi, Antonella Colombini, Valentino Conter, Luca Porcu, Luigi Cervo, Carmelo Rizzari, Massimo Zucchetti
PURPOSE: Asparaginase (ASNase) is used to treat various hematological malignancies for its capacity to deplete asparagine (ASN) in serum and cerebrospinal fluid (CSF). Since the biological mechanisms underlying CSF asparagine depletion in humans are not yet fully elucidated, this study compared, for the first time, the pharmacological properties of three clinically used ASNase formulations in a rodent model. METHODS: Male Wistar rats were treated with E.coli-ASNase, PEG-ASNase, or ERW-ASNase at different doses...
June 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28415725/stat3-positive-tumor-cells-contribute-to-vessels-neoformation-in-primary-central-nervous-system-lymphoma
#12
Simona Ruggieri, Roberto Tamma, Nicoletta Resta, Francesco Albano, Nicoletta Coccaro, Daria Loconte, Tiziana Annese, Mariella Errede, Giorgina Specchia, Rebecca Senetta, Paola Cassoni, Domenico Ribatti, Beatrice Nico
With the aim of elucidating the relationship between Stat3 expression and tumor vessels abnormalities in the PCNLs, in this study we evaluated Stat3 and pStat3 expression by Real-time PCR and by immunohistochemistry in biopsy sections from PCNSL patients. Correlations of the expression levels with the presence of aberrant vessels were analyzed by confocal laser microscopy analysis, using FVIII as endothelial cell marker, CD133 and nestin as cancer stem cell (CSC) marker, CD20 as tumor cell marker, and Stat3...
May 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28407851/time-dependent-changes-and-prognostic-value-of-lactatemia-during-the-first-24%C3%A2-h-of-life-in-brachycephalic-newborn-dogs
#13
C Castagnetti, M Cunto, C Bini, J Mariella, S Capolongo, D Zambelli
Blood lactate concentration is known to be a good prognostic indicator associated with the severity of illness and the patient's outcome both in human and veterinary medicine. It also plays a significant role in the assessment of the newborn, being a good indicator of fetal hypoxia and the ideal predictor of morbidity at term in babies. In veterinary neonatal medicine, hyperlactatemia is considered a valid prognostic marker in critically ill foals; moreover, blood lactate measurement has been proposed for the evaluation of newborn viability and the assessment of fetal distress during delivery in dogs...
May 2017: Theriogenology
https://www.readbyqxmd.com/read/28397366/changes-in-the-global-strain-of-the-puborectalis-muscle-during-pregnancy-and-postpartum
#14
Anique T M Grob, Niklas Hitschrich, Maria K van de Waarsenburg, Mariëlla I J Withagen, Karlijn J Schweitzer, Carl H van der Vaart
INTRODUCTION: One of the functional parameters that can be assessed by ultrasound is muscle strain. Strain represents the amount of deformation from its original shape when forces are applied to the tissue under study. We set out to assess the global strain of the puborectalis muscle during and after pregnancy. OBJECTIVE: To evaluate the effect of pregnancy and child-delivery on global strain of the puborectalis muscle. METHOD: This is a secondary analysis of a prospective observational study on the association between stress urinary incontinence and levator muscle avulsion after delivery...
April 11, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28394807/patient-health-communication-mediating-effects-between-gastrointestinal-symptoms-and-gastrointestinal-worry-in-pediatric-inflammatory-bowel-disease
#15
James W Varni, Robert J Shulman, Mariella M Self, Shehzad A Saeed, Ashish S Patel, Samuel Nurko, Deborah A Neigut, Miguel Saps, George M Zacur, Chelsea V Dark, Cristiane B Bendo, John F Pohl
BACKGROUND: To investigate the effects of patient health communication regarding their inflammatory bowel disease (IBD) to their health care providers and significant others in their daily life as a mediator in the relationship between gastrointestinal symptoms and gastrointestinal worry in pediatric patients. METHODS: The Pediatric Quality of Life Inventory Gastrointestinal Symptoms, Gastrointestinal Worry, and Communication Scales, and Pediatric Quality of Life Inventory 4...
May 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28365909/a-mosaic-pattern-of-ini1-smarcb1-protein-expression-distinguishes-schwannomatosis-and-nf2-associated-peripheral-schwannomas-from-solitary-peripheral-schwannomas-and-nf2-associated-vestibular-schwannomas
#16
Rosario Caltabiano, Gaetano Magro, Agata Polizzi, Andrea Domenico Praticò, Andrea Ortensi, Valerio D'Orazi, Andrea Panunzi, Pietro Milone, Luigi Maiolino, Francesco Nicita, Gabriele Lorenzo Capone, Roberta Sestini, Irene Paganini, Mariella Muglia, Sebastiano Cavallaro, Salvatore Lanzafame, Laura Papi, Martino Ruggieri
BACKGROUND: The INI1/SMARCB1 gene protein product has been implicated in the direct pathogenesis of schwannomas from patients with one form of schwannomatosis [SWNTS1; MIM # 162091] showing a mosaic pattern of loss of protein expression by immunohistochemistry [93% in familial vs. 55% in sporadic cases]. AIM OF STUDY: To verify whether such INI1/SMARCB1 mosaic pattern could be extended to all schwannomas arising in the sporadic and familial schwannomatoses [i.e...
April 1, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28360267/decoupling-genetics-lineages-and-microenvironment-in-idh-mutant-gliomas-by-single-cell-rna-seq
#17
Andrew S Venteicher, Itay Tirosh, Christine Hebert, Keren Yizhak, Cyril Neftel, Mariella G Filbin, Volker Hovestadt, Leah E Escalante, McKenzie L Shaw, Christopher Rodman, Shawn M Gillespie, Danielle Dionne, Christina C Luo, Hiranmayi Ravichandran, Ravindra Mylvaganam, Christopher Mount, Maristela L Onozato, Brian V Nahed, Hiroaki Wakimoto, William T Curry, A John Iafrate, Miguel N Rivera, Matthew P Frosch, Todd R Golub, Priscilla K Brastianos, Gad Getz, Anoop P Patel, Michelle Monje, Daniel P Cahill, Orit Rozenblatt-Rosen, David N Louis, Bradley E Bernstein, Aviv Regev, Mario L Suvà
Tumor subclasses differ according to the genotypes and phenotypes of malignant cells as well as the composition of the tumor microenvironment (TME). We dissected these influences in isocitrate dehydrogenase (IDH)-mutant gliomas by combining 14,226 single-cell RNA sequencing (RNA-seq) profiles from 16 patient samples with bulk RNA-seq profiles from 165 patient samples. Differences in bulk profiles between IDH-mutant astrocytoma and oligodendroglioma can be primarily explained by distinct TME and signature genetic events, whereas both tumor types share similar developmental hierarchies and lineages of glial differentiation...
March 31, 2017: Science
https://www.readbyqxmd.com/read/28349974/sex-related-alterations-of-gut-microbiota-composition-in-the-btbr-mouse-model-of-autism-spectrum-disorder
#18
Lorena Coretti, Claudia Cristiano, Ermanno Florio, Giovanni Scala, Adriano Lama, Simona Keller, Mariella Cuomo, Roberto Russo, Raffaela Pero, Orlando Paciello, Giuseppina Mattace Raso, Rosaria Meli, Sergio Cocozza, Antonio Calignano, Lorenzo Chiariotti, Francesca Lembo
Alterations of microbiota-gut-brain axis have been invoked in the pathogenesis of autism spectrum disorders (ASD). Mouse models could represent an excellent tool to understand how gut dysbiosis and related alterations may contribute to autistic phenotype. In this study we paralleled gut microbiota (GM) profiles, behavioral characteristics, intestinal integrity and immunological features of colon tissues in BTBR T + tf/J (BTBR) inbred mice, a well established animal model of ASD. Sex differences, up to date poorly investigated in animal models, were specifically addressed...
March 28, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28301534/the-spermatogenic-process-of-the-common-vampire-bat-desmodus-rotundus-under-a-histomorphometric-view
#19
Danielle Barbosa Morais, Luciano Carlos Heringer Porcaro Puga, Tarcízio Antônio Rêgo de Paula, Mariella Bontempo Duca Freitas, Sérgio Luis Pinto da Matta
Among all bat species, Desmodus rotundus stands out as one of the most intriguing due to its exclusively haematophagous feeding habits. However, little is known about their spermatogenic cycle. This study aimed at describing the spermatogenic process of common vampire bats through testicular histomorphometric characterization of adult specimens, spermatogenic production indexes, description of stages of the seminiferous epithelium cycle and estimative of the spermatogenic process duration. Morphometrical and immunohistochemical analyzes for bromodeoxiuridine were conducted under light microscopy and ultrastructural analyzes were performed under transmission electron microscopy...
2017: PloS One
https://www.readbyqxmd.com/read/28279350/autophagy-and-neurodegeneration-pathogenic-mechanisms-and-therapeutic-opportunities
#20
REVIEW
Fiona M Menzies, Angeleen Fleming, Andrea Caricasole, Carla F Bento, Stephen P Andrews, Avraham Ashkenazi, Jens Füllgrabe, Anne Jackson, Maria Jimenez Sanchez, Cansu Karabiyik, Floriana Licitra, Ana Lopez Ramirez, Mariana Pavel, Claudia Puri, Maurizio Renna, Thomas Ricketts, Lars Schlotawa, Mariella Vicinanza, Hyeran Won, Ye Zhu, John Skidmore, David C Rubinsztein
Autophagy is a conserved pathway that delivers cytoplasmic contents to the lysosome for degradation. Here we consider its roles in neuronal health and disease. We review evidence from mouse knockout studies demonstrating the normal functions of autophagy as a protective factor against neurodegeneration associated with intracytoplasmic aggregate-prone protein accumulation as well as other roles, including in neuronal stem cell differentiation. We then describe how autophagy may be affected in a range of neurodegenerative diseases...
March 8, 2017: Neuron
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