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https://www.readbyqxmd.com/read/28444573/the-effect-of-different-types-of-nanoparticles-on-fus-and-tdp-43-solubility-and-subcellular-localization
#1
Jasna Lojk, Sonja Prpar Mihevc, Vladimir Boštjan Bregar, Mojca Pavlin, Boris Rogelj
Increased environmental pollution has been suggested as one of the possible causes for increased incidence of neurodegenerative and developmental disorders. Through the environmental pollution, everyday consumer products and nanomedical applications, we are also exposed to various nanoparticles (NPs). Specific types of NPs have been shown to be able to cause neural damage in vivo through processes such as disruption of the blood-brain barrier, induction of neuroinflammation, increase in oxidative stress and protein aggregation...
April 25, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/28444446/comparison-of-the-clinical-and-cognitive-features-of-genetically-positive-als-patients-from-the-largest-tertiary-center-in-serbia
#2
Ivan V Marjanović, Biljana Selak-Djokić, Stojan Perić, Milena Janković, Vladimir Arsenijević, Ivana Basta, Dragana Lavrnić, Elka Stefanova, Zorica Stević
Discovering novel mutations in C9orf72, FUS, ANG, and TDP-43 genes in ALS patients arises necessities for better clinical characterizations of these subjects. The aim is to determine clinical and cognitive profile of genetically positive Serbian ALS patients. 241 ALS patients were included in the study (17 familiar and 224 apparently sporadic). The following genes were analyzed: SOD1, C9orf72, ANG, FUS, and TDP-43. An extensive battery of classic neuropsychological tests was used in 27 ALS patients (22 SOD1 positive and 5 SOD1 negative) and 82 healthy controls (HCs)...
April 25, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28443681/preventing-the-forgotten-ureteral-stent-by-using-a-mobile-point-of-care-application
#3
Justin Bradley Ziemba, Wesley Ludwig, Leticia Ruiz, Eduardo Carvalhal, Brian Matlaga
INTRODUCTION: The forgotten ureteral stent (FUS) can lead to patient morbidity. To date, tracking ureteral stents is a cumbersome task, given their high frequency of insertion and variable indwelling times. To simplify this process, an application was developed to track patients with indwelling ureteral stents. We report our initial user-experience and clinical outcomes with this application. METHODS: Ureteral Stent Tracker™ (UST) is a secure, HIPPA compliant, cloud based point-of-care (POC) application...
April 26, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28432364/rrm-domain-of-als-ftd-causing-fus-characteristic-of-irreversible-unfolding-spontaneously-self-assembles-into-amyloid-fibrils
#4
Yimei Lu, Liangzhong Lim, Jianxing Song
526-residue FUS functions to self-assemble into reversible droplets/hydrogels, which could be further solidified into pathological fibrils. FUS is intrinsically prone to aggregation, composed of N-terminal low-sequence complexity (LC); RNA-recognition motif (RRM) and C-terminal LC domains. Intriguingly, previous in vivo studies revealed that its RRM is required for manifesting FUS cytotoxicity but the underlying mechanism remains unknown. Here, we characterized solution conformations of FUS and its five differentially dissected fragments, followed by detailed investigations on thermal unfolding, NMR dynamics and self-assembly of RRM...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28430856/a-comprehensive-analysis-of-rare-genetic-variation-in-amyotrophic-lateral-sclerosis-in-the-uk
#5
Sarah Morgan, Aleksey Shatunov, William Sproviero, Ashley R Jones, Maryam Shoai, Deborah Hughes, Ahmad Al Khleifat, Andrea Malaspina, Karen E Morrison, Pamela J Shaw, Christopher E Shaw, Katie Sidle, Richard W Orrell, Pietro Fratta, John Hardy, Alan Pittman, Ammar Al-Chalabi
Amyotrophic lateral sclerosis is a progressive neurodegenerative disease of motor neurons. About 25 genes have been verified as relevant to the disease process, with rare and common variation implicated. We used next generation sequencing and repeat sizing to comprehensively assay genetic variation in a panel of known amyotrophic lateral sclerosis genes in 1126 patient samples and 613 controls. About 10% of patients were predicted to carry a pathological expansion of the C9orf72 gene. We found an increased burden of rare variants in patients within the untranslated regions of known disease-causing genes, driven by SOD1, TARDBP, FUS, VCP, OPTN and UBQLN2...
April 18, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28429524/the-investigation-of-genetic-and-clinical-features-in-chinese-patients-with-juvenile-amyotrophic-lateral-sclerosis
#6
Z-J Liu, H-X Lin, G-L Liu, Q-Q Tao, W Ni, B-G Xiao, Z-Y Wu
Juvenile amyotrophic lateral sclerosis (JALS) occurs at an age of onset below 25 years with a heterogeneous disease onset location, variable progression and survival time. To investigate whether an ALS gene profile could resolve any aspects of clinical symptom heterogeneity, we have used targeted sequencing technology in a cohort of 12 JALS patients of Chinese descent. We detected 5 likely pathogenic mutations, 2 in familial probands and 3 in sporadic patients. One was a known TARDBP mutation (p.G348V) and 4 were FUS frameshift mutations including a known p...
March 16, 2017: Clinical Genetics
https://www.readbyqxmd.com/read/28429234/neuron-to-neuron-transfer-of-fus-in-drosophila-primary-neuronal-culture-is-enhanced-by-als-associated-mutations
#7
Sébastien Feuillette, Morgane Delarue, Gaëtan Riou, Anne-Lise Gaffuri, Jane Wu, Zsolt Lenkei, Olivier Boyer, Thierry Frébourg, Dominique Campion, Magalie Lecourtois
The DNA- and RNA-binding protein fused in sarcoma (FUS) has been pathologically and genetically linked to amyotrophic lateral sclerosis (ALS) or frontotemporal lobar degeneration (FTLD). Cytoplasmic FUS-positive inclusions were identified in the brain and spinal cord of a subset of patients suffering with ALS/FTLD. An increasing number of reports suggest that FUS protein can behave in a prion-like manner. However, no neuropathological studies or experimental data were available regarding cell-to-cell spread of these pathological protein assemblies...
April 20, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28425493/characterization-of-different-microbubbles-in-assisting-focused-ultrasound-induced-blood-brain-barrier-opening
#8
Sheng-Kai Wu, Po-Chun Chu, Wen-Yen Chai, Shih-Tsung Kang, Chih-Hung Tsai, Ching-Hsiang Fan, Chih-Kuang Yeh, Hao-Li Liu
Microbubbles (MBs) serve as a critical catalyst to amplify local cavitation in CNS capillary lumen to facilitate focused ultrasound (FUS) to transiently open the blood-brain barrier (BBB). However, limited understanding is available regarding the effect of different microbubbles to induce BBB opening. The aim of this study is to characterize different MBs on their effect in FUS-induced BBB opening. Three MBs, SonoVue, Definity, and USphere, were tested, with 0.4-MHz FUS exposure at 0.62-1.38 of mechanical index (MI) on rats...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28424484/the-tandem-agenet-domain-of-fragile-x-mental-retardation-protein-interacts-with-fus
#9
Qingzhong He, Wei Ge
The tandem Agenet domain (TAD) of fragile X mental retardation protein (FMRP) protein is considered to be a member of the methyl-lysine-binding Tudor domain "Royal family". Several groups have reported that the TAD binds with methylated histones and plays a role in DNA damage responses. FMRP is a RNA-binding protein predominantly resident in cytoplasm. Therefore, in this study, we identified DDX5, FUS, EWSR1 and LSM14A as TAD-interacting proteins sensitive to F32L and/or Y96L mutation by pull-down assays and mass spectrometry...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28421535/microrna-metabolism-and-dysregulation-in-amyotrophic-lateral-sclerosis
#10
REVIEW
Paola Rinchetti, Mafalda Rizzuti, Irene Faravelli, Stefania Corti
MicroRNAs (miRNAs) are a subset of endogenous, small, non-coding RNA molecules involved in the post-transcriptional regulation of eukaryotic gene expression. Dysregulation in miRNA-related pathways in the central nervous system (CNS) is associated with severe neuronal injury and cell death, which can lead to the development of neurodegenerative disorders, such as amyotrophic lateral sclerosis (ALS). ALS is a fatal adult onset disease characterized by the selective loss of upper and lower motor neurons. While the pathogenesis of ALS is still largely unknown, familial ALS forms linked to TAR DNA-binding protein 43 (TDP-43) and fused in sarcoma (FUS) gene mutations, as well as sporadic forms, display changes in several steps of RNA metabolism, including miRNA processing...
April 18, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28413711/high-throughput-sequencing-revealed-a-novel-setx-mutation-in-a-hungarian-patient-with-amyotrophic-lateral-sclerosis
#11
Kornélia Tripolszki, Dóra Török, David Goudenège, Katalin Farkas, Adrienn Sulák, Nóra Török, József I Engelhardt, Péter Klivényi, Vincent Procaccio, Nikoletta Nagy, Márta Széll
BACKGROUND: Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disease characterized by the degeneration of the motor neurons. To date, 126 genes have been implicated in ALS. Therefore, the heterogenous genetic background of ALS requires comprehensive genetic investigative approaches. METHODS: In this study, DNA from 28 Hungarian ALS patients was subjected to targeted high-throughput sequencing of the coding regions of three Mendelian ALS genes: FUS, SETX, and C9ORF72...
April 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28411885/characterization-of-a-novel-caudal-vertebral-interbody-fusion-in-a-rat-tail-model-an-implication-for-future-material-and-mechanical-testing
#12
Yu-Cheng Yeh, Cheng-Chun Yang, Ching-Lung Tai, Tsung-Ting Tsai, Po-Liang Lai, Tsai-Sheng Fu, Chi-Chien Niu, Lih-Huei Chen, Wen-Jer Chen
BACKGROUND: Of the proposed animal interbody fusion models, rat caudal discs have gained popularity in disc research due to their strong resemblance to human discs with respect to geometry, composition and mechanical properties. The purpose of this study is to demonstrate an efficient, repeatable and easily accessible animal model of interbody fusion for future research into mechanical testing and graft materials. METHODS: Twelve 12-week-old female Sprague-Dawley (SD) rats underwent caudal interbody fusion of the third and fourth coccygeal vertebrae of the tail...
February 2017: Biomedical Journal
https://www.readbyqxmd.com/read/28408200/angiogenesis-targeting-microbubbles-combined-with-ultrasound-mediated-gene-therapy-in-brain-tumors
#13
En-Ling Chang, Chien-Yu Ting, Po-Hong Hsu, Yu-Chun Lin, En-Chi Liao, Chiung-Yin Huang, Yuan-Chih Chang, Hong-Lin Chan, Chi-Shiun Chiang, Hao-Li Liu, Kuo-Chen Wei, Ching-Hsiang Fan, Chih-Kuang Yeh
The major challenges in gene therapy for brain cancer are poor transgene expression due to the blood-brain barrier (BBB) and neurologic damage caused by conventional intracerebral injection. Non-viral gene delivery using ultrasound-targeted microbubble (MB) oscillation via the systematic transvascular route is attractive, but there is currently no high-yielding and targeted gene expression method. In this study, we developed a non-viral and angiogenesis-targeting gene delivery approach for efficient brain tumor gene therapy without brain damage...
April 10, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28404604/unusual-semi-extractability-as-a-hallmark-of-nuclear-body-associated-architectural-noncoding-rnas
#14
Takeshi Chujo, Tomohiro Yamazaki, Tetsuya Kawaguchi, Satoshi Kurosaka, Toru Takumi, Shinichi Nakagawa, Tetsuro Hirose
NEAT1_2 long noncoding RNA (lncRNA) is the molecular scaffold of paraspeckle nuclear bodies. Here, we report an improved RNA extraction method: extensive needle shearing or heating of cell lysate in RNA extraction reagent improved NEAT1_2 extraction by 20-fold (a property we term "semi-extractability"), whereas using a conventional method NEAT1_2 was trapped in the protein phase. The improved extraction method enabled us to estimate that approximately 50 NEAT1_2 molecules are present in a single paraspeckle...
April 12, 2017: EMBO Journal
https://www.readbyqxmd.com/read/28402267/contrast-enhanced-ultrasound-evaluation-of-pancreatic-cancer-xenografts-in-nude-mice-after-irradiation-with-sub-threshold-focused-ultrasound-for-tumor-ablation
#15
Yi Hui Gao, Lei Wu, Rui Wang, Qian Guo, Yi Ni Chen, Bing Hu, Li Xin Jiang
We evaluated the efficacy of contrast-enhanced ultrasound for assessing tumors after irradiation with sub-threshold focused ultrasound (FUS) ablation in pancreatic cancer xenografts in nude mice. Thirty tumor-bearing nude mice were divided into three groups: Group A received sham irradiation, Group B received a moderate-acoustic energy dose (sub-threshold), and Group C received a high-acoustic energy dose. In Group B, B-mode ultrasound (US), color Doppler US, and dynamic contrast-enhanced ultrasound (DCE-US) studies were conducted before and after irradiation...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28401346/crispr-cas9-mediated-targeted-gene-correction-in-amyotrophic-lateral-sclerosis-patient-ipscs
#16
Lixia Wang, Fei Yi, Lina Fu, Jiping Yang, Si Wang, Zhaoxia Wang, Keiichiro Suzuki, Liang Sun, Xiuling Xu, Yang Yu, Jie Qiao, Juan Carlos Izpisua Belmonte, Ze Yang, Yun Yuan, Jing Qu, Guang-Hui Liu
Amyotrophic lateral sclerosis (ALS) is a complex neurodegenerative disease with cellular and molecular mechanisms yet to be fully described. Mutations in a number of genes including SOD1 and FUS are associated with familial ALS. Here we report the generation of induced pluripotent stem cells (iPSCs) from fibroblasts of familial ALS patients bearing SOD1 (+/A272C) and FUS (+/G1566A) mutations, respectively. We further generated gene corrected ALS iPSCs using CRISPR/Cas9 system. Genome-wide RNA sequencing (RNA-seq) analysis of motor neurons derived from SOD1 (+/A272C) and corrected iPSCs revealed 899 aberrant transcripts...
April 11, 2017: Protein & Cell
https://www.readbyqxmd.com/read/28396410/spinal-motor-neuron-protein-supersaturation-patterns-are-associated-with-inclusion-body-formation-in-als
#17
Prajwal Ciryam, Isabella A Lambert-Smith, Daniel M Bean, Rosie Freer, Fernando Cid, Gian Gaetano Tartaglia, Darren N Saunders, Mark R Wilson, Stephen G Oliver, Richard I Morimoto, Christopher M Dobson, Michele Vendruscolo, Giorgio Favrin, Justin J Yerbury
Amyotrophic lateral sclerosis (ALS) is a heterogeneous degenerative motor neuron disease linked to numerous genetic mutations in apparently unrelated proteins. These proteins, including SOD1, TDP-43, and FUS, are highly aggregation-prone and form a variety of intracellular inclusion bodies that are characteristic of different neuropathological subtypes of the disease. Contained within these inclusions are a variety of proteins that do not share obvious characteristics other than coaggregation. However, recent evidence from other neurodegenerative disorders suggests that disease-affected biochemical pathways can be characterized by the presence of proteins that are supersaturated, with cellular concentrations significantly greater than their solubilities...
April 10, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28392367/six-gu-rich-6gur-fus-binding-motifs-detected-by-normalization-of-clip-seq-by-nascent-seq
#18
Jun-Ichi Takeda, Akio Masuda, Kinji Ohno
FUS, an RNA-binding protein (RBP), is mutated or abnormally regulated in neurodegenerative disorders. FUS regulates various aspects of RNA metabolisms. FUS-binding sites are rich in GU contents and are highly degenerative. FUS-binding motifs of GGU, GGUG, GUGGU and CGCGC have been previously reported. These motifs, however, are applicable to a small fraction of FUS-binding sites. As CLIP-seq tags are enriched in genes that are highly expressed, we normalized CLIP-seq tags by Nascent-seq tags or RNA-seq tags of mouse N2a cells...
April 6, 2017: Gene
https://www.readbyqxmd.com/read/28389532/rna-binding-proteins-with-prion-like-domains-in-health-and-disease
#19
REVIEW
Alice Ford Harrison, James Shorter
Approximately 70 human RNA-binding proteins (RBPs) contain a prion-like domain (PrLD). PrLDs are low-complexity domains that possess a similar amino acid composition to prion domains in yeast, which enable several proteins, including Sup35 and Rnq1, to form infectious conformers, termed prions. In humans, PrLDs contribute to RBP function and enable RBPs to undergo liquid-liquid phase transitions that underlie the biogenesis of various membraneless organelles. However, this activity appears to render RBPs prone to misfolding and aggregation connected to neurodegenerative disease...
April 7, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28383167/hspa8-as-a-novel-fusion-partner-of-nr4a3-in-extraskeletal-myxoid-chondrosarcoma
#20
Milena Urbini, Annalisa Astolfi, Maria Abbondanza Pantaleo, Salvatore Serravalle, Angelo Paolo Dei Tos, Piero Picci, Valentina Indio, Marta Sbaraglia, Stefania Benini, Alberto Righi, Marco Gambarotti, Alessandro Gronchi, Chiara Colombo, Gian Paolo Dagrada, Silvana Pilotti, Roberta Maestro, Maurizio Polano, Maristella Saponara, Giuseppe Tarantino, Andrea Pession, Guido Biasco, Paolo Giovanni Casali, Silvia Stacchiotti
Extraskeletal myxoid chondrosarcoma (EMC) is a very rare sarcoma most often arising in the soft tissue. Rare EMC of the bone have been reported. EMC exhibits distinctive clinico-pathological and genetic features; however, despite the name, it lacks any feature of cartilaginous differentiation. EMC is characterized by the rearrangement of the NR4A3, which, in most cases (about 62-75%), is fused with EWSR1 and less frequently with other partners, including TAF15 (27%), TCF12 (4%), TFG and FUS. We herein report the identification by whole-transcriptome sequencing of HSPA8 as a novel fusion partner of NR4A3 in a case of EMC...
April 6, 2017: Genes, Chromosomes & Cancer
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