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https://www.readbyqxmd.com/read/28102025/the-direct-referral-to-endovascular-center-criteria-a-proposal-for-pre-hospital-evaluation-of-acute-stroke-in-the-madrid-stroke-network
#1
J Rodríguez-Pardo, B Fuentes, M Alonso de Leciñana, Á Ximénez-Carrillo, G Zapata-Wainberg, J Álvarez-Fraga, F J Barriga, L Castillo, J Carneado-Ruiz, J Díaz-Guzman, J Egido-Herrero, A de Felipe, J Fernández-Ferro, L Frade-Pardo, Á García-Gallardo, A García-Pastor, A Gil-Núñez, C Gómez-Escalonilla, M Guillán, Y Herrero-Infante, J Masjuan-Vallejo, M Á Ortega-Casarrubios, J Vivancos-Mora, E Díez-Tejedor
BACKGROUND AND PURPOSE: For patients with acute ischaemic stroke due to large-vessel occlusion, it has recently been shown that mechanical thrombectomy (MT) with stent retrievers is better than medical treatment alone. However, few hospitals can provide MT 24 h/day 365 days/year, and it remains unclear whether selected patients with acute stroke should be directly transferred to the nearest MT-providing hospital to prevent treatment delays. Clinical scales such as Rapid Arterial Occlusion Evaluation (RACE) have been developed to predict large-vessel occlusion at a pre-hospital level, but their predictive value for MT is low...
January 19, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28100784/mitochondrial-o-glcnac-transferase-mogt-regulates-mitochondrial-structure-function-and-survival-in-hela-cells
#2
Juliana L Sacoman, Raul Y Dagda, Amanda R Burnham-Marusich, Ruben K Dagda, Patricia M Berninsone
O-linked N-acetylglucosamine transferase (OGT) catalyzes O-GlcNAcylation of target proteins and regulates numerous biological processes. OGT is encoded by a single gene that yields nucleocytosolic and mitochondrial isoforms. To date, the role of the mitochondrial isoform of OGT (mOGT) remains largely unknown. Using high-throughput proteomics, we identified 84 candidate mitochondrial glycoproteins, of which 44 are novel. Notably, two of the candidate glycoproteins identified (cytochrome oxidase 2 (COX2) and NADH: ubiquinone oxidoreductase core subunit 4 (MT-ND4)) are encoded by mitochondrial DNA...
January 18, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28100752/differential-vulnerability-of-ca1-versus-ca3-pyramidal-neurons-after-ischemia-possible-relationship-to-sources-of-zn2-accumulation-and-its-entry-into-and-prolonged-effects-on-mitochondria
#3
Yuliya V Medvedeva, Sung G Ji, Hong Z Yin, John H Weiss
: Excitotoxic mechanisms contribute to the degeneration of hippocampal pyramidal neurons after recurrent seizures and brain ischemia. However, susceptibility differs, with CA1 neurons degenerating preferentially after global ischemia and CA3 neurons after limbic seizures. Whereas most studies address contributions of excitotoxic Ca(2+) entry, it is apparent that Zn(2+) also contributes, reflecting accumulation in neurons either after synaptic release and entry through postsynaptic channels or upon mobilization from intracellular Zn(2+)-binding proteins such as metallothionein-III (MT-III)...
January 18, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28100467/an-essential-role-of-cbl-and-cbl-b-ubiquitin-ligases-in-mammary-stem-cell-maintenance
#4
Bhopal Mohapatra, Neha Zutshi, Wei An, Benjamin Goetz, Priyanka Arya, Timothy A Bielecki, Insha Mustaq, Matthew D Storck, Jane L Meza, Vimla Band, Hamid Band
CBL and CBL-B ubiquitin ligases are negative regulators of tyrosine kinase signaling with established roles in the immune system. However, their physiological roles in epithelial tissues are unknown. Here we used the MMTV-Cre-mediated Cbl gene deletion on a Cbl-b-null background as well as a tamoxifen-inducible mammary stem cell (MaSC)-specific Cbl/Cbl-b double knockout (DKO), using Lgr5-GFP-CreERT, to demonstrate a mammary epithelial cell-autonomous requirement of CBL and CBL-B in the maintenance of MaSCs...
January 18, 2017: Development
https://www.readbyqxmd.com/read/28100285/characterization-of-the-complete-mitochondrial-genome-of-setaria-digitata-nematoda-setariidae-from-china
#5
G-H Liu, J-Y Li, X-Q Zhu
Setaria digitata is a filarial parasite that causes fatal cerebrospinal nematodiasis in goats, horses and sheep, resulting in substantial economic losses to livestock farmers. In the present study, the complete mitochondrial (mt) genome of S. digitata from China was determined, characterized and compared with that of S. digitata from Sri Lanka. The identity of the mt genomes was 98.3% between S. digitata from China and Sri Lanka, and the complete mt genome sequence of S. digitata from China was slightly shorter (25 bp) than that from Sri Lanka...
January 19, 2017: Journal of Helminthology
https://www.readbyqxmd.com/read/28100262/dental-caries-status-of-patients-with-schizophrenia-in-seville-spain-a-case-control-study
#6
Eugenio Velasco-Ortega, L Monsalve-Guil, I Ortiz-Garcia, A Jimenez-Guerra, J Lopez-Lopez, J J Segura-Egea
BACKGROUND: The aim of this study was to assess the dental status (DMFT) in patients with schizophrenia compared with a control group. MATERIAL: In this case-control study, 50 patients with schizophrenia attended in the Psychiatric Unit at the Virgen Macarena University Hospital of Seville were compared with 50 people (without systemic diseases and not taking psychotropic drugs) in a control group attended in the School of Dentistry of Seville. Decayed, missing and filled teeth (DMFT) were assessed according to the World Health Organization WHO criteria...
January 18, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28099435/insensitivity-of-tree-ring-growth-to-temperature-and-precipitation-sharpens-the-puzzle-of-enhanced-pre-eruption-ndvi-on-mt-etna-italy
#7
Ruedi Seiler, James W Kirchner, Paul J Krusic, Roberto Tognetti, Nicolas Houlié, Daniele Andronico, Sebastiano Cullotta, Markus Egli, Rosanne D'Arrigo, Paolo Cherubini
On Mt. Etna (Italy), an enhanced Normalized Difference in Vegetation Index (NDVI) signature was detected in the summers of 2001 and 2002 along a distinct line where, in November 2002, a flank eruption subsequently occurred. These observations suggest that pre-eruptive volcanic activity may have enhanced photosynthesis along the future eruptive fissure. If a direct relation between NDVI and future volcanic eruptions could be established, it would provide a straightforward and low-cost method for early detection of upcoming eruptions...
2017: PloS One
https://www.readbyqxmd.com/read/28097310/combined-intravenous-thrombolysis-and-thrombectomy-vs-thrombectomy-alone-for-acute-ischemic-stroke-a-pooled-analysis-of-the-swift-and-star-studies
#8
Jonathan M Coutinho, David S Liebeskind, Lee-Anne Slater, Raul G Nogueira, Wayne Clark, Antoni Dávalos, Alain Bonafé, Reza Jahan, Urs Fischer, Jan Gralla, Jeffrey L Saver, Vitor M Pereira
Importance: Mechanical thrombectomy (MT) improves clinical outcomes in patients with acute ischemic stroke (AIS) caused by a large vessel occlusion. However, it is not known whether intravenous thrombolysis (IVT) is of added benefit in patients undergoing MT. Objective: To examine whether treatment with IVT before MT with a stent retriever is beneficial in patients undergoing MT. Design, Setting, and Participants: This post hoc analysis used data from 291 patients treated with MT included in 2 large, multicenter, prospective clinical trials that evaluated MT for AIS (Solitaire With the Intention for Thrombectomy performed from January 1, 2010, through December 31, 2011, and Solitaire Flow Restoration Thrombectomy for Acute Revascularization from January 1, 2010, through December 31, 2012)...
January 9, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/28097161/effects-of-extremely-low-frequency-electromagnetic-field-on-expression-levels-of-some-antioxidant-genes-in-human-mcf-7-cells
#9
Hamideh Mahmoudinasab, Fatemeh Sanie-Jahromi, Mostafa Saadat
In the past three decades, study on the biological effects of extremely low-frequency electromagnetic fields (ELF-EMFs) has been of interest to scientists. Although the exact mechanism of its effect is not fully understood, free radical processes has been proposed as a possible mechanism. This study was designed to evaluate the effect of 50-Hz EMFs on the mRNA levels of seven antioxidant genes (CAT, SOD1, SOD2, GSTO1, GSTM3, MSGT1, and MSGT3) in human MCF-7 cells. The EMF exposure patterns were: 1) 5 min field-on/5 min filed-off, 2) 15 min field-on/15 min field-off, 3) 30 min field-on continuously...
June 2016: Molecular Biology Research Communications
https://www.readbyqxmd.com/read/28097006/contribution-of-sigma-1-receptor-to-cytoprotective-effect-of-afobazole
#10
Mikhail V Voronin, Ilya A Kadnikov
Anxiolytic afobazole (5-Ethoxy-2-[2-(morpholino)-ethylthio]benzimidazole dihidrochloride) has pronounced ligand properties toward Sigma-1 receptor (σ1 receptor,SigmaR1) and MT 3 receptors. Our previous work demonstrated that afobazole possess cytoprotective effect in the in vitro model of menadione genotoxicity (Woods et al. 1997) through interaction with MT 3 receptor (Kadnikov et al. 2014). Present study utilized previously described models to address the contribution of SigmaR1 to cytoprotective action of afobazole...
December 2016: Pharmacology Research & Perspectives
https://www.readbyqxmd.com/read/28096853/microsporidial-spores-in-fecal-samples-of-some-domesticated-animals-living-in-giza-egypt
#11
Ahmad Z Al-Herrawy, Mahmoud A Gad
BACKGROUND: The aim of the present work was to investigate the prevalence and species of intestinal microsporidiosis among animals in Giza, Egypt. METHODS: A total of 869 animal fecal samples were collected from domesticated animals (dogs, cats, rabbits, cattle, buffaloes, sheep, goats, donkeys and pigs) living in Giza, Egypt. Spores of microsporidia were concentrated from collected samples by centrifugation and finally stained with modified trichrome (MT) stain to detect microsporidial spores...
April 2016: Iranian Journal of Parasitology
https://www.readbyqxmd.com/read/28096269/differentiation-between-radiation-necrosis-and-tumor-progression-using-chemical-exchange-saturation-transfer
#12
Hatef Mehrabian, Kimberly L Desmond, Hany Soliman, Arjun Sahgal, Gregory J Stanisz
PURPOSE: Stereotactic radiosurgery (SRS) is a common treatment used in patients with brain metastases and is associated with high rates of local control, however, at the risk of radiation necrosis. It is difficult to differentiate radiation necrosis from tumor progression using conventional MRI making it a major diagnostic dilemma for practitioners. This prospective study investigated whether chemical exchange saturation transfer (CEST) was able to differentiate these two conditions. MATERIALS & METHODS: Fifteen patients with brain metastases who had been previously treated with SRS were included...
January 17, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28096060/nutritional-status-and-bioelectrical-phase-angle-assessment-in-adult-crohn-disease-patients-receiving-anti-tnf%C3%AE-therapy
#13
Sara Emerenziani, Livia Biancone, Michele Pier Luca Guarino, Paola Balestrieri, Elisa Stasi, Mentore Ribolsi, Maria Paola Rescio, Annamaria Altomare, Silvia Cocca, Francesco Pallone, Michele Cicala
BACKGROUND: Altered body composition is frequently observed in Crohn's disease (CD) patients. AIMS: To investigate the nutritional status, and the effect of different therapeutic regimes in adult CD patients. METHODS: Fat free mass (FFM) and BIA-derived phase angle (PhA) were assessed in 45 CD patients, 22 on conventional therapy (CT) and 23 on maintenance therapy with infliximab (MT). Nutritional status was also assessed in 12 CD patients before and following the induction protocol with infliximab...
December 30, 2016: Digestive and Liver Disease
https://www.readbyqxmd.com/read/28095679/non-naturally-occurring-small-molecule-microtubule-stabilizing-agents-a-potential-tactic-for-cns-directed-therapies
#14
Carlo Ballatore, Kurt R Brunden, John Q Trojanowski, Virginia M-Y Lee, Amos B Smith
Several independent studies indicate that microtubule (MT)-stabilizing agents hold considerable promise as candidate therapeutics for a wide spectrum of conditions of the central nervous system (CNS), from brain tumors to spinal cord injury, as well as a number of neurodegenerative diseases, including Alzheimer's disease, frontotemporal lobar degeneration, Parkinson's disease, and amyotrophic lateral sclerosis. Although the identification and development of candidate compounds for CNS-directed MT-stabilizing therapies has been a challenge in drug discovery for many years, a growing number of molecules have now been identified that exhibit both MT-stabilizing activity and brain penetration...
18, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28095669/complete-mitochondrial-genome-of-a-tongue-worm-armillifer-agkistrodontis
#15
Jian Li, Fu-Nan He, Hong-Xiang Zheng, Rui-Xiang Zhang, Yi-Jing Ren, Wei Hu
Armillifer agkistrodontis (Ichthyostraca: Pantastomida) is a parasitic pathogen, only reported in China, which can cause a zoonotic disease, pentastomiasis. A complete mitochondrial (mt) genome was 16,521 bp comprising 13 protein-coding genes (PCGs), 22 tRNA genes, 2 rRNA genes, and 1 non-coding region (NCR). A phylogenetic tree drawn with the concatenated amino acid sequences of the 6 conserved PCGs (atp6, cox1-3, and nad2) showed that A. agkistrodontis and Armillifer armillatus constituted a clade Pentastomida which was a sister group of the Branchiura...
December 2016: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28095667/sequence-analysis-of-mitochondrial-genome-of-toxascaris-leonina-from-a-south-china-tiger
#16
Kangxin Li, Fang Yang, A Y Abdullahi, Meiran Song, Xianli Shi, Minwei Wang, Yeqi Fu, Weida Pan, Fang Shan, Wu Chen, Guoqing Li
Toxascaris leonina is a common parasitic nematode of wild mammals and has significant impacts on the protection of rare wild animals. To analyze population genetic characteristics of T. leonina from South China tiger, its mitochondrial (mt) genome was sequenced. Its complete circular mt genome was 14,277 bp in length, including 12 protein-coding genes, 22 tRNA genes, 2 rRNA genes, and 2 non-coding regions. The nucleotide composition was biased toward A and T. The most common start codon and stop codon were TTG and TAG, and 4 genes ended with an incomplete stop codon...
December 2016: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28095310/ilex-paraguariensis-supplementation-may-be-an-effective-nutritional-approach-to-modulate-oxidative-stress-during-perimenopause
#17
Ariana Aparecida Ferreira Pereira, Keny Gonçalves Tirapeli, Antonio Hernandes Chaves Neto, Matheus da Silva Brasilino, Cláudia Quintino da Rocha, Adriane Belló-Klein, Suzana Francisca Llesuy, Rita Cássia Menegati Dornelles, Ana Cláudia de Melo Stevanato Nakamune
Perimenopause is a period in a woman's life that precedes menopause and is characterized by hormonal changes that results in increased oxidative stress. Since oxidative stress is associated with age-related diseases and perimenopausal symptoms including somato-vegetative manifestations, nutritional antioxidant supplementation may be an effective approach to minimizing this stress. Mate tea (MT) (Ilex paraguariensis), a typical and inexpensive beverage consumed in the Brazilian south-east, Argentina and Uruguay, increases antioxidant defense...
January 14, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28094584/cytoskeletal-alteration-and-change-of-retinal-nerve-fiber-layer-birefringence-in-hypertensive-retina
#18
Xiang-Run Huang, Robert W Knighton, Ye Z Spector, William J Feuer
PURPOSE: Glaucoma damages the retinal nerve fiber layer (RNFL). Both RNFL thickness and retardance can be used to assess the damage, but birefringence, the ratio of retardance to thickness, is a property of the tissue itself. This study investigated the relationship between axonal cytoskeleton and RNFL birefringence in retinas with hypertensive damage. MATERIALS AND METHODS: High intraocular pressure (IOP) was induced unilaterally in rat eyes. RNFL retardance in isolated retinas was measured...
January 17, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28093935/new-methods-for-monitoring-mitochondrial-biogenesis-and-mitophagy-in%C3%A2-vitro-and-in%C3%A2-vivo
#19
Jessica A Williams, Katrina Zhao, Shengkan Jin, Wen-Xing Ding
Removal of damaged mitochondria through mitophagy is critical for maintaining cellular homeostasis and functions. Increasing evidence implicates mitophagy in red blood cell differentiation, neurodegeneration, macrophage-mediated inflammation, ischemia, adipogenesis, drug-induced tissue injury, and cancer. Considerable progress has been made toward understanding the biochemical mechanisms involved in mitophagy regulation. However, few reliable assays to monitor and quantify mitophagy have been developed, particularly in vivo...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28093405/distributedfba-jl-high-level-high-performance-flux-balance-analysis-in-julia
#20
Laurent Heirendt, Ines Thiele, Ronan M T Fleming
MOTIVATION: Flux balance analysis, and its variants, are widely used methods for predicting steady-state reaction rates in biochemical reaction networks. The exploration of high dimensional networks with such methods is currently hampered by software performance limitations. RESULTS: DistributedFBA.jl is a high-level, high-performance, open-source implementation of flux balance analysis in Julia. It is tailored to solve multiple flux balance analyses on a subset or all the reactions of large and huge-scale networks, on any number of threads or nodes...
January 16, 2017: Bioinformatics
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