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https://www.readbyqxmd.com/read/28730230/magnetic-nanoparticles-based-therapy-for-malignant-mesothelioma
#1
Ion Mîndrilă, Sandra Alice Buteică, Dan Eduard Mihaiescu, Florin Burada, Bogdan Mîndrilă, Maria Cristina Predoi, Ionica Pirici, Adrian Fudulu, Octavian Croitoru
This work was aimed to analyze the versatility of the chick embryo chorioallantoic membrane (CAM) as in vivo model for the study of the malignant pleural mesothelioma (MPM) and the therapeutic potential of Fe3O4÷salicylic acid magnetic nanoparticles (SaMNPs) on MPM cells. The antitumor effects of SaMNPs were studied by in vitro and in vivo tests on CARM-L12 TG3 rat malignant mesothelioma cells and human MPM xenografts implanted on CAMs. In order to assess the human MPM xenograft growth characteristics, calretinin, HBME-1 (Hector Battifora mesothelial epitope-1), and cytokeratins immunohistochemical stainings were performed...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28724308/eus-guided-recanalization-of-complete-gastrointestinal-strictures
#2
Miguel Martínez-Guillén, Joan B Gornals, Claudia F Consiglieri, Josep M Castellvi, Carme Loras
BACKGROUND AND AIM: Complete gastrointestinal strictures are a technically demanding problem. In this setting, an anterograde technique is associated with a high risk of complications and a combined anterograde-retrograde technique requires a prior ostomy. Our aim was to assess the outcome of a first case series for the management of complete gastrointestinal strictures using endoscopic ultrasound (EUS)-guided puncture as a novel endoscopic approach. PATIENTS AND METHODS: This retrospective case-series describes four cases that were referred for treatment of complete benign gastrointestinal strictures, three upper and one lower...
July 14, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28714429/structural-brain-correlations-of-visuospatial-and-visuoperceptual-tests-in-parkinson-s-disease
#3
Anna Isabel Garcia-Diaz, Barbara Segura, Hugo Cesar Baggio, Maria Jose Marti, Francesc Valldeoriola, Yaroslau Compta, Nuria Bargallo, Carme Uribe, Anna Campabadal, Alexandra Abos, Carme Junque
BACKGROUND: Diagnosis of mild cognitive impairment in Parkinson's disease (PD) is relevant because it is a marker for evolution to dementia. However, the selection of suitable tests to evaluate separate cognitive domains in mild cognitive impairment related to PD remains an open question. The current work aims to investigate the neuroanatomical correlates of several visuospatial/visuoperceptual tests using the same sample and a multimodal MRI approach. METHODS: The study included 36 PD patients and 20 healthy subjects matched for age, sex, and education...
July 17, 2017: Journal of the International Neuropsychological Society: JINS
https://www.readbyqxmd.com/read/28710482/protocol-for-regional-implementation-of-community-based-collaborative-management-of-complex-chronic-patients
#4
Isaac Cano, Ivan Dueñas-Espín, Carme Hernandez, Jordi de Batlle, Jaume Benavent, Juan Carlos Contel, Erik Baltaxe, Joan Escarrabill, Juan Manuel Fernández, Judith Garcia-Aymerich, Miquel Àngel Mas, Felip Miralles, Montserrat Moharra, Jordi Piera, Tomas Salas, Sebastià Santaeugènia, Nestor Soler, Gerard Torres, Eloisa Vargiu, Emili Vela, Josep Roca
No abstract text is available yet for this article.
July 14, 2017: NPJ Primary Care Respiratory Medicine
https://www.readbyqxmd.com/read/28702354/white-matter-integrity-in-dyskinetic-cerebral-palsy-relationship-with-intelligence-quotient-and-executive-function
#5
Olga Laporta-Hoyos, Kerstin Pannek, Júlia Ballester-Plané, Lee B Reid, Élida Vázquez, Ignacio Delgado, Leire Zubiaurre-Elorza, Alfons Macaya, Pilar Póo, Mar Meléndez-Plumed, Carme Junqué, Roslyn Boyd, Roser Pueyo
BACKGROUND: Dyskinetic cerebral palsy (CP) is one of the most disabling motor types of CP and has been classically associated with injury to the basal ganglia and thalamus. Although cognitive dysfunction is common in CP, there is a paucity of published quantitative analyses investigating the relationship between white matter (WM) microstructure and cognition in this CP type. AIMS: This study aims (1) to compare brain WM microstructure between people with dyskinetic CP and healthy controls, (2) to identify brain regions where WM microstructure is related to intelligence and (3) to identify brain regions where WM microstructure is related to executive function in people with dyskinetic CP and (4) to identify brain regions where the correlations are different between controls and people with CP in IQ and executive functions...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28701455/cautious-look-at-the-2017-carms-match-results
#6
Francine Lemire
No abstract text is available yet for this article.
July 2017: Canadian Family Physician Médecin de Famille Canadien
https://www.readbyqxmd.com/read/28699532/modulation-of-heart-rate-by-acute-or-chronic-aerobic-exercise-potential-effects-on-blood-pressure-control
#7
Carme Perez-Quilis, J Derek Kingsley, Kabir Malkani, Gianfranco Cervellin, Giuseppe Lippi, Fabian Sanchis-Gomar
It was initially assumed that heart rate and arterial blood pressure were modulated by normal respiration and muscle contraction. The arterial baroreflex, an inverse relationship between blood pressure and heart rate, was later reported. Nonetheless, it was then assumed that those responses involved vagal modulation. We summarize available evidence on the modulation of heart rate by acute or chronic aerobic exercise as well as its potential implications on BP control. Numerous studies have tried to clarify whether aerobic exercise modifies neurally-mediated vasoconstriction, but they report contradictory results...
July 10, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28685671/experimental-models-for-aging-and-their-potential-for-novel-drug-discovery
#8
Jaume Folch, Oriol Busquets, Miren EttchetoElena Sánchez-López, Mercè Pallàs, Carlos Beas-Zarate, Miguel Marin, Gemma Casadesus, Jordi Olloquequi, Carme Auladell, Antoni Camins
The development of antiaging drugs is an interesting area of scientific research. In order to evaluate the beneficial effects of new potential drugs, it is necessary to gather the specific knowledge on the adequate preclinical models that are available. This review focuses on invertebrate and vertebrate preclinical models used to evaluate the efficacy of antiaging compounds, with the objective to extend lifespan and health span. Dietary restriction (DR), a common experimental process to extend lifespan in all organisms, is also discussed...
July 7, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28683307/recruitment-of-staufen2-enhances-dendritic-localization-of-an-intron-containing-camkii%C3%AE-mrna
#9
Raúl Ortiz, Maya V Georgieva, Sara Gutiérrez, Neus Pedraza, Sandra M Fernández-Moya, Carme Gallego
Regulation of mRNA localization is a conserved cellular process observed in many types of cells and organisms. Asymmetrical mRNA distribution plays a particularly important role in the nervous system, where local translation of localized mRNA represents a key mechanism in synaptic plasticity. CaMKIIα is a very abundant mRNA detected in neurites, consistent with its crucial role at glutamatergic synapses. Here, we report the presence of CaMKIIα mRNA isoforms that contain intron i16 in dendrites, RNA granules, and synaptoneurosomes from primary neurons and brain...
July 5, 2017: Cell Reports
https://www.readbyqxmd.com/read/28681634/sex-differences-in-patients-with-occult-cancer-after-venous-thromboembolism
#10
Luis Jara-Palomares, Remedios Otero, David Jiménez, Juan Manuel Praena-Fernández, Agustina Rivas, Carme Font, Philip S Wells, Raquel López-Reyes, José González-Martínez, Manuel Monreal
In patients with venous thromboembolism (VTE), male sex has been associated with an increased risk of occult cancer. The influence of sex on clinical characteristics, treatment, cancer sites, and outcome has not been thoroughly investigated yet. We used the Registro Informatizado Enfermedad TromboEmbólica registry to compare the clinical characteristics, treatment strategies, cancer sites, and clinical outcomes in patients with VTE having occult cancer, according to sex. As of June 2014, 5864 patients were recruited, of whom 444 (7...
January 1, 2017: Clinical and Applied Thrombosis/hemostasis
https://www.readbyqxmd.com/read/28672792/biodegradable-femnsi-sputter-coated-macroporous-polypropylene-membranes-for-the-sustained-release-of-drugs
#11
Jordina Fornell, Jorge Soriano, Miguel Guerrero, Juan de Dios Sirvent, Marta Ferran-Marqués, Elena Ibáñez, Leonardo Barrios, Maria Dolors Baró, Santiago Suriñach, Carme Nogués, Jordi Sort, Eva Pellicer
Pure Fe and FeMnSi thin films were sputtered on macroporous polypropylene (PP) membranes with the aim to obtain biocompatible, biodegradable and, eventually, magnetically-steerable platforms. Room-temperature ferromagnetic response was observed in both Fe- and FeMnSi-coated membranes. Good cell viability was observed in both cases by means of cytotoxicity studies, though the FeMnSi-coated membranes showed higher biodegradability than the Fe-coated ones. Various strategies to functionalize the porous platforms with transferrin-Alexa Fluor 488 (Tf-AF488) molecules were tested to determine an optimal balance between the functionalization yield and the cargo release...
June 24, 2017: Nanomaterials
https://www.readbyqxmd.com/read/28665176/does-acinetobacter-baumannii-serve-as-a-source-for-blandm-dissemination-into-enterobacteriaceae-in-hospitalized-patients
#12
Amos Adler, Rivka Glick, Ziv Lifshitz, Yehuda Carmeli
The goal was to study the possibility that Acinetobacter baumannii serve as an epidemiologically significant source for transmission of the blaNDM gene to Enterobacteriaceae by horizontal gene transfer (HGT) in hospitalized patients. The study was done at the Tel-Aviv Sourasky Medical Center from December 2014 until August 2015. Clinical and surveillance rectal cultures were collected as per hospital policies and were analyzed for the presence of New Delhi metallo-beta-lactamase-producing Enterobacteriaceae (NDME) and A...
June 30, 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/28664455/neuroprotective-effects-of-the-absence-of-jnk1-or-jnk3-isoforms-on-kainic-acid-induced-temporal-lobe-epilepsy-like-symptoms
#13
Luisa de Lemos, Felix Junyent, Antoni Camins, Rubén Darío Castro-Torres, Jaume Folch, Jordi Olloquequi, Carlos Beas-Zarate, Ester Verdaguer, Carme Auladell
The activation of c-Jun-N-terminal kinases (JNK) pathway has been largely associated with the pathogenesis and the neuronal death that occur in neurodegenerative diseases. Altogether, this justifies why JNKs have become a focus of screens for new therapeutic strategies. The aim of the present study was to identify the role of the different JNK isoforms (JNK1, JNK2, and JNK3) in apoptosis and inflammation after induction of brain damage. To address this aim, we induced excitotoxicity in wild-type and JNK knockout mice (jnk1 (-/-) , jnk2 (-/-) , and jnk3 (-/-) ) via an intraperitoneal injection of kainic acid, an agonist of glutamic-kainate-receptors, that induce status epilepticus...
June 29, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28662500/overview-of-chromosome-abnormalities-in-first-trimester-miscarriages-a-series-of-1-011-consecutive-chorionic-villi-sample-karyotypes
#14
Anna Soler, Carme Morales, Irene Mademont-Soler, Ester Margarit, Antoni Borrell, Virginia Borobio, Miriam Muñoz, Aurora Sánchez
In order to contribute to the knowledge of type and frequency of chromosome abnormalities in early pregnancy losses, we analyzed the cytogenetic results from a large series of first trimester miscarriages, using a diagnostic approach with a high success rate and no maternal contamination. A total of 1,119 consecutive chorionic villi samples were obtained before evacuation, and karyotypes were prepared after short-term culture (STC). In 603 samples, a long-term culture (LTC) was also performed. The overall and individual frequencies of the different types of chromosome abnormalities were established, including placental mosaicisms, and their relationship with maternal age and gestational weeks was assessed...
June 30, 2017: Cytogenetic and Genome Research
https://www.readbyqxmd.com/read/28655169/hospital-at-home-integrated-care-programme-for-the-management-of-disabling-health-crises-in-older-patients-comparison-with-bed-based-intermediate-care
#15
Miquel À Mas, Marco Inzitari, Sergi Sabaté, Sebastià J Santaeugènia, Ramón Miralles
Objective: to analyse the clinical impact of a home-based Intermediate Care model in the Catalan health system, comparing it with usual bed-based care. Design: quasi-experimental longitudinal study. Setting: hospital Municipal de Badalona and El Carme Intermediate Care Hospital, Badalona, Catalonia, Spain. Participants: we included older patients with medical and orthopaedic disabling health crises in need of Comprehensive Geriatric Assessment (CGA) and rehabilitation...
June 24, 2017: Age and Ageing
https://www.readbyqxmd.com/read/28646794/dexibuprofen-prevents-neurodegeneration-and-cognitive-decline-in-appswe-ps1de9-through-multiple-signaling-pathways
#16
Miren Ettcheto, Elena Sánchez-López, Laura Pons, Oriol Busquets, Jordi Olloquequi, Carlos Beas-Zarate, Merce Pallas, Maria Luisa García, Carme Auladell, Jaume Folch, Antoni Camins
The aim of the present study is to elucidate the neuronal pathways associated to NSAIDs causing a reduction of the risk and progression of Alzheimer's disease. The research was developed administering the active enantiomer of ibuprofen, dexibuprofen (DXI), in order to reduce associated gastric toxicity. DXI was administered from three to six-month-old female APPswe/PS1dE9 mice as a model of familial Alzheimer's disease. DXI treatment reduced the activation of glial cells and the cytokine release involved in the neurodegenerative process, especially TNFα...
June 15, 2017: Redox Biology
https://www.readbyqxmd.com/read/28638770/sequential-uncaging-with-green-light-can-be-achieved-by-fine-tuning-the-structure-of-a-dicyanocoumarin-chromophore
#17
Albert Gandioso, Marta Palau, Alba Nin-Hill, Ivanna Melnyk, Carme Rovira, Santi Nonell, Dolores Velasco, Jaume García-Amorós, Vicente Marchán
We report the synthesis and photochemical properties of a series of dicyanocoumarinylmethyl (DEAdcCM)- and dicyanocoumarinylethyl (DEAdcCE)-based photocages of carboxylic acids and amines with absorption maximum around 500 nm. Photolysis studies with green light have demonstrated that the structure of the coumarin chromophore as well as the nature of the leaving group and the type of bond to be photocleaved (ester or carbamate) have a strong influence on the rate and efficiency of the uncaging process. These experimental observations were also supported by DFT calculations...
June 2017: ChemistryOpen
https://www.readbyqxmd.com/read/28608616/whole-brain-structural-connectivity-in-dyskinetic-cerebral-palsy-and-its-association-with-motor-and-cognitive-function
#18
Júlia Ballester-Plané, Ruben Schmidt, Olga Laporta-Hoyos, Carme Junqué, Élida Vázquez, Ignacio Delgado, Leire Zubiaurre-Elorza, Alfons Macaya, Pilar Póo, Esther Toro, Marcel A de Reus, Martijn P van den Heuvel, Roser Pueyo
Dyskinetic cerebral palsy (CP) has long been associated with basal ganglia and thalamus lesions. Recent evidence further points at white matter (WM) damage. This study aims to identify altered WM pathways in dyskinetic CP from a standardized, connectome-based approach, and to assess structure-function relationship in WM pathways for clinical outcomes. Individual connectome maps of 25 subjects with dyskinetic CP and 24 healthy controls were obtained combining a structural parcellation scheme with whole-brain deterministic tractography...
June 13, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28604696/a-front-face-sni-synthase-engineered-from-a-retaining-double-sn2-hydrolase
#19
Javier Iglesias-Fernández, Susan M Hancock, Seung Seo Lee, Maola Khan, Jo Kirkpatrick, Neil J Oldham, Katherine McAuley, Anthony Fordham-Skelton, Carme Rovira, Benjamin G Davis
SNi-like mechanisms, which involve front-face leaving group departure and nucleophile approach, have been observed experimentally and computationally in chemical and enzymatic substitution at α-glycosyl electrophiles. Since SNi-like, SN1 and SN2 substitution pathways can be energetically comparable, engineered switching could be feasible. Here, engineering of Sulfolobus solfataricus β-glycosidase, which originally catalyzed double SN2 substitution, changed its mode to SNi-like. Destruction of the first SN2 nucleophile through E387Y mutation created a β-stereoselective catalyst for glycoside synthesis from activated substrates, despite lacking a nucleophile...
June 12, 2017: Nature Chemical Biology
https://www.readbyqxmd.com/read/28600975/relationship-and-significance-of-gait-deviations-associated-with-limb-length-discrepancy-a-systematic-review
#20
REVIEW
Sam Khamis, Eli Carmeli
Controversy still exists as to the clinical significance of leg length discrepancy (LLD) in spite of the fact that further evidence has been emerging regarding the relationship between several clinical conditions and LLD. The objectives of our study were to review the available research with regard to LLD as a cause of clinically significant gait deviations, to determine if there is a relationship between the magnitude of LLD and the presence of gait deviations and to identify the most common gait deviations associated with LLD...
May 31, 2017: Gait & Posture
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