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Melissa Faria, Inmaculada Fuertes, Eva Prats, Jose Luis Abad, Francesc Padrós, Cristian Gomez-Canela, Josefina Casas, Jorge Estevez, Eugenio Vilanova, Benjamin Piña, Demetrio Raldúa
Inhibition and aging of neuropathy target esterase (NTE) by exposure to neuropathic organophosphorus compounds (OPs) can result in OP-induced delayed neuropathy (OPIDN). In the present study we aimed to build a model of OPIDN in adult zebrafish. First, inhibition and aging of zebrafish NTE activity were characterized in the brain by using the prototypic neuropathic compounds cresyl saligenin phosphate (CBDP) and diisopropylphosphorofluoridate (DFP). Our results show that, as in other animal models, zebrafish NTE is inhibited and aged by both neuropathic OPs...
March 19, 2018: Scientific Reports
Chantal Beatrice Magne Nde, Gloria Casas Gimeno, Maria Docanto, Kevin C Knower, Morag J Young, Jakob Buehn, Edris Sayed, Colin D Clyne
Activation of oestrogen receptor α (ERα) stimulates cell division and tumour growth by modulating the expression of ERα target genes. This activation involves the recruitment of specific proteins with activities that are still not fully understood. Timeless, the human homologue of the Drosophila gene involved in circadian rhythm, was previously shown to be a strong predictor of tamoxifen relapse, and is involved in genomic stability and cell cycle control. In this study, we investigated the interplay between Timeless and ERα, and showed that human Timeless is an ERα coactivator...
March 16, 2018: Journal of Molecular Biology
Luis R Ramos-Pascua, Víctor Bárcena-Tricio, Sergio Sánchez Herráez, Paula Casas-Ramos, Francisco M Izquierdo-García
PURPOSE: To describe the results of nonsurgical and surgical treatment of enchondromas of the distal phalanx of the hand. METHODS: Eleven enchondromas of the distal phalanx were retrospectively reviewed. Five patients underwent surgery (curettage and autogenous cancellous bone graft from the iliac crest) and 6 patients were treated nonsurgically. Clinical records and radiographs were reviewed for each patient. We recorded complications and cosmetic and functional results...
March 15, 2018: Journal of Hand Surgery
Fabrizio Pancaldi, Marco Sebastiani, Giulia Cassone, Fabrizio Luppi, Stefania Cerri, Giovanni Della Casa, Andreina Manfredi
The diagnosis of interstitial lung diseases in patients affected by rheumatoid arthritis is fundamental to improving their survival rate. In particular, the average survival time of patients affected by rheumatoid arthritis with pulmonary implications is approximately 3 years. The gold standard for confirming the diagnosis of this disease is computer tomography. However, it is very difficult to raise diagnosis suspicion because the symptoms of the disease are extremely common in elderly people. The detection of the so-called velcro crackle in lung sounds can effectively raise the suspicion of an interstitial disease and speed up diagnosis...
March 9, 2018: Computers in Biology and Medicine
Min-Seob Seo, Sumin Jang, Hyunwoo Kim
A chiral aluminum solvating agent (CASA) was demonstrated to be a general and efficient reagent for 1H NMR chiral analysis of alcohols. The sodium salt of the CASA (CASA-Na) showed a complete baseline peak separation of the hydroxyl group for various chiral alcohols including primary, secondary, and tertiary alcohols with alkyl and aryl substituents in CD3CN. Due to the weak intermolecular interaction, 1H NMR measurement at low temperature (-40 to 10 °C) was required.
March 16, 2018: Chemical Communications: Chem Comm
Bivas Panigrahi, Chang-Hung Lu, Neha Ghayal, Chia-Yuan Chen
The zebrafish sperm activation profoundly depends upon the homogeneous mixing of the sperm cells with its diluent in a quick succession as it alters the cell's extracellular medium and initiates their motility. Manual stirring, the traditional method for zebrafish sperm activation is tedious, time-consuming, and has a poor outcome. In this aspect, an artificial cilia embedded serpentine microfluidic is designed through which hydrodynamic factors of the microfluidic environment can be precisely regulated to harness uniform mixing, hence ensuring a superior sperm activation...
March 15, 2018: Scientific Reports
L Tagliaferri, C Casà, G Macchia, A Pesce, G Garganese, B Gui, G Perotti, S Gentileschi, F Inzani, R Autorino, S Cammelli, A G Morganti, V Valentini, M A Gambacorta
OBJECTIVE/PURPOSE: Extramammary Paget disease (EMPD) is a rare neoplasm of the skin generally affecting the anogenital area. Because of the low-frequency of the disease, no specific guidelines about the treatment strategy are available. Surgery is the recommended therapy for resectable and localized disease, but several other local treatments have been reported such as radiotherapy (RT). Most articles report small retrospective studies, referring to patients treated decades ago with large heterogeneity in terms of RT dose and technique...
March 17, 2018: International Journal of Gynecological Cancer
Toria Herd, Mengjiao Li, Dominique Maciejewski, Jacob Lee, Kirby Deater-Deckard, Brooks King-Casas, Jungmeen Kim-Spoon
Past research has demonstrated negative associations between exposure to stressors and quality of interpersonal relationships among children and adolescents. Nevertheless, underlying mechanisms of this association remain unclear. Chronic stress has been shown to disrupt prefrontal functioning in the brain, including inhibitory control abilities, and evidence is accumulating that inhibitory control may play an important role in secure interpersonal relationship quality, including peer problems and social competence...
2018: Frontiers in Psychology
Eduardo Casas, Guohong Cai, Larry A Kuehn, Karen B Register, Tara G McDaneld, John D Neill
BACKGROUND: High throughput sequencing allows identification of small non-coding RNAs. Transfer RNA Fragments are a class of small non-coding RNAs, and have been identified as being involved in inhibition of gene expression. Given their role, it is possible they may be involved in mediating the infection-induced defense response in the host. Therefore, the objective of this study was to identify 5' transfer RNA fragments (tRF5s) associated with a serum antibody response to M. bovis in beef cattle...
March 13, 2018: BMC Veterinary Research
Marc Yeste, Sergi Bonet, Joan E Rodríguez-Gil, Maria M Rivera Del Álamo
Computer-aided sperm analysis (CASA) is now routinely used in IVF clinics, animal breeding centres and research laboratories. Although CASA provides a more objective way to evaluate sperm parameters, a significant number of factors can affect these measurements. This paper classifies these factors into four categories: (1) sample and slide (e.g. preincubation time, type of specimen and type of chamber slide); (2) microscope (e.g. light source and microscope stage); (3) hardware and software, including the settings of each system; and (4) user-related factors...
March 14, 2018: Reproduction, Fertility, and Development
Anna E Long, Isabel V Wilson, Dorothy J Becker, Ingrid M Libman, Vincent C Arena, F Susan Wong, Andrea K Steck, Marian J Rewers, Liping Yu, Peter Achenbach, Rosaura Casas, Johnny Ludvigsson, Alistair J K Williams, Kathleen M Gillespie
AIMS/HYPOTHESIS: Multiple islet autoimmunity increases risk of diabetes, but not all individuals positive for two or more islet autoantibodies progress to disease within a decade. Major islet autoantibodies recognise insulin (IAA), GAD (GADA), islet antigen-2 (IA-2A) and zinc transporter 8 (ZnT8A). Here we describe the baseline characteristics of a unique cohort of 'slow progressors' (n = 132) who were positive for multiple islet autoantibodies (IAA, GADA, IA-2A or ZnT8A) but did not progress to diabetes within 10 years...
March 12, 2018: Diabetologia
Jie Huang, G Patricia Casas Garcia, Matthew A Perugini, Archa Fox, Charles Bond, Mihwa Lee
Members of the Drosophila Behavior Human Splicing (DBHS) protein family are nuclear proteins implicated in many layers of nuclear functions, including RNA biogenesis as well as DNA repair. Definitive of the DBHS protein family, the conserved DBHS domain provides a dimerization platform that is critical for the structural integrity and function of these proteins. The three human DBHS proteins - splicing factor proline- and glutamine-rich (SFPQ), paraspeckle component 1 (PSPC1), and non-POU domain-containing octamer binding protein (NONO) - form either homo- or heterodimers; however, the relative affinity and mechanistic details of preferential heterodimerization are yet to be deciphered...
March 12, 2018: Journal of Biological Chemistry
Nuria Alcubierre, Esmeralda Castelblanco, Montserrat Martínez-Alonso, Minerva Granado-Casas, Aureli Esquerda, Alicia Traveset, Dolores Martinez-Gonzalez, Josep Franch-Nadal, Didac Mauricio
BACKGROUND: In this cross-sectional study, we assessed the possible association of vitamin D deficiency with self-reported treatment satisfaction and health-related quality of life in patients with type 2 diabetes. METHODS: We performed a sub-analysis of a previous study and included a total of 292 type 2 diabetic patients. We evaluated treatment satisfaction and health-related quality of life through specific tools: the Diabetes Treatment Satisfaction Questionnaire and the Audit of Diabetes-Dependent Quality of Life...
March 12, 2018: Health and Quality of Life Outcomes
Branislav Jeremić, Francesc Casas, Pavol Dubinsky, Antonio Gomez-Caamano, Nikola Čihorić, Gregory Videtic, Ivan Igrutinovic
While there are no established pretreatment predictive and prognostic factors in patients with stage IIIA/pN2 non-small cell lung cancer (NSCLC) indicating a benefit to surgery as a part of trimodality approach, little is known about treatment-related predictive and prognostic factors in this setting. A literature search was conducted to identify possible treatment-related predictive and prognostic factors for patients for whom trimodality approach was reported on. Overall survival was the primary endpoint of this study...
2018: Frontiers in Oncology
Hédia Manai-Djebali, Imen Oueslati, Manuel A Martínez-Cañas, Mokhtar Zarrouk, Jacinto Sánchez-Casas
The chemical composition of extra virgin olive oils (EVOOs) from six new progenies, obtained through controlled crossings between the main Tunisian variety Chemlali and autochthonous (Chemcheli) and foreign cultivars (Sigoise, Coratina, Koroneiki, and Arbequina) used as pollen acceptor or pollinator, were compared with the EVOO of Chemlali cultivar known to be the main one cultivated in Tunisia as it is the most adapted to the arid climate. Several analytical determinations of major and minor components of EVOO were employed, especially triacylglycerol and sterol fractions...
March 9, 2018: Journal of Oleo Science
Tímea Kollár, Eszter Kása, Árpád Ferincz, Béla Urbányi, Zsolt Csenki-Bakos, Ákos Horváth
The effect of seven heavy metals on the motility parameter of zebrafish sperm was tested in order to develop an in vitro toxicological test system as an alternative to live animal testing. In vitro test systems are currently preferred in ecotoxicology due to their practical and ethical advantages and fish sperm can be a suitable model. A number of studies had been carried out previously on this topic, but the described methods had not been standardized in numerous aspects (donor species, measured endpoint, etc...
March 10, 2018: Environmental Science and Pollution Research International
Dominique Maciejewski, Nina Lauharatanahirun, Toria Herd, Jacob Lee, Kirby Deater-Deckard, Brooks King-Casas, Jungmeen Kim-Spoon
Adolescence is a critical period for the initiation of risk-taking behaviors. We examined the longitudinal interplay between neural correlates of risk processing and cognitive control in predicting risk-taking behaviors via stress. The sample consisted of 167 adolescents (53% males) who were assessed twice (MAgeTime1  = 14.13, MAgeTime2  = 15.05). Neural risk processing was operationalized as blood-oxygen-level-dependent (BOLD) responses in the anterior insula during a lottery choice task and neural cognitive control as BOLD responses during an inhibitory control task...
February 14, 2018: Developmental Cognitive Neuroscience
Francisco Javier García-Alonso, Isabel Manzano Santamaría, Antonio Guardiola Arévalo, Rubén Pique Becerra, Amanda Leandro Barros, Noelia de Sande Rivera, Guillermo Moreno Casas, Silvia Arribas Terradillos, Álvaro Llerena Riofrío, Cristian Aitor Escolano Peco, Emma Alguacil Rodríguez, Fernando Bermejo
BACKGROUND AND AIMS: Accurate optical diagnosis of diminutive polyps would allow implementing a resect and discard strategy. We evaluated the learning curve of a single training session followed by self-education in subjects with no endoscopic experience. METHODS: Learning curves were evaluated in 38 subjects employing learning curve-cumulative summation (LC-CUSUM) tests, with each participant attending one training session regarding narrow band imaging and optical diagnosis and then individually assessing 100 lesions, receiving feedback after each diagnosis...
March 9, 2018: Digestive Diseases and Sciences
María Nieves-Moreno, José M Martínez-de-la-Casa, Laura Morales-Fernández, Rubén Sánchez-Jean, Federico Sáenz-Francés, Julián García-Feijoó
OBJECTIVE: To examine differences in individual retinal layer thicknesses measured by spectral domain optical coherence tomography (SD-OCT) (Spectralis®) produced with age and according to sex. DESIGN: Cross-sectional, observational study. METHODS: The study was conducted in 297 eyes of 297 healthy subjects aged 18 to 87 years. In one randomly selected eye of each participant the volume and mean thicknesses of the different macular layers were measured by SD-OCT using the instrument's macular segmentation software...
2018: PloS One
J Das Neves, I E J Barnhoorn, G M Wagenaar
The organochlorine pesticides aldrin (0.14 μg/L) and methoxychlor (0.23 μg/L) were both present in the Albasini Dam, Limpopo Province, South Africa, during a field survey in 2014. The use of aldrin has been banned in the USA since 1987 and restricted in South Africa since 1992. The use of methoxychlor, however, remains undefined with little information available about its registration in South Africa despite being banned in Europe (2002) and USA (2003). The aim of this study was to determine the potential effects of environmentally relevant concentrations of aldrin and methoxychlor on the reproductive system of male catfish, Clarias gariepinus...
March 9, 2018: Fish Physiology and Biochemistry
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