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https://www.readbyqxmd.com/read/28208797/multi-mycotoxin%C3%A2-analysis%C3%A2-in%C3%A2-durum%C3%A2-wheat%C3%A2-pasta%C3%A2-by%C3%A2-liquid%C3%A2-chromatography%C3%A2-coupled%C3%A2-to%C3%A2-quadrupole%C3%A2-orbitrap%C3%A2-mass%C3%A2-spectrometry
#1
Josefa Tolosa, Giulia Graziani, Anna Gaspari, Donato Chianese, Emilia Ferrer, Jordi Mañes, Alberto Ritieni
A simple and rapid multi-mycotoxin method for the determination of 17 mycotoxins  simultaneously  is  described  in  the  present  survey  on  durum  and  soft  wheat  pasta  samples.  Mycotoxins included in the study were those mainly reported in cereal samples: ochratoxin-A  (OTA), aflatoxin B1 (AFB1), zearalenone (ZON), deoxynivalenol (DON), 3-and 15-acetyl-deoxynivalenol  (3-AcDON and 15-AcDON), nivalenol (NIV), neosolaniol (NEO), fusarenon-X, (FUS-X), T-2 toxin  (T-2) and HT-2 toxin (HT-2), fumonisin B1 and B2 (FB1 and FB2), and four emerging mycotoxins:  three  enniatins  (ENA,  ENA1,  and  ENB),  and  beauvericin  (BEA)...
February 9, 2017: Toxins
https://www.readbyqxmd.com/read/28196303/the-long-noncoding-rna-schlah-suppresses-metastasis-of-hepatocellular-carcinoma-through-interacting-with-fus
#2
Zhouhong Ge, Zhuoan Cheng, Xinrong Yang, Xisong Huo, Ning Wang, Hui Wang, Cun Wang, Dishui Gu, Fangyu Zhao, Ming Yao, Jia Fan, Wenxin Qin
Emerging evidence has indicated that deregulation of long non-coding RNAs (lncRNAs) can contribute to the progression and metastasis of human cancer, including hepatocellular carcinoma (HCC). However, the roles of most lncRNAs in HCC remain largely unknown. Here we found a long noncoding RNA termed SchLAH (seven chromosome locus associated with HCC; also called BC035072) was generally downregulated in HCC. Low expression of SchLAH was significantly correlated with shorter overall survival of HCC patients. In vitro and in vivo assays indicated that overexpression of SchLAH inhibited the migration and lung metastasis of HCC cells...
February 14, 2017: Cancer Science
https://www.readbyqxmd.com/read/28176659/intrinsically-disordered-domains-amyloids-and-protein-liquid-phases-evolving-concepts-and-open-questions
#3
Miguel Ángel Mompeán, Douglas Vinson Laurents
Enzymes and structural proteins dominated thinking about protein structure and function for most of the twentieth century. In recent decades, however, we have begun to appreciate the significant physiological and pathological roles of nonglobular proteins. Amyloids first gained infamy from their implications in a score of human mortal diseases. However, they have recently been discovered to play vital physiological roles, such as memory consolidation in humans. This raises an important question: Can we inhibit pathological amyloids without affecting functional amyloids? Intrinsically disordered proteins (IDPs), many of which are prone to form amyloids, perform many essential functions, yet their importance has only been recognized in the last quarter century...
February 6, 2017: Protein and Peptide Letters
https://www.readbyqxmd.com/read/28167899/cysteine-modifications-in-the-pathogenesis-of-als
#4
REVIEW
Cristiana Valle, Maria Teresa Carrì
Several proteins are found misfolded and aggregated in sporadic and genetic forms of amyotrophic lateral sclerosis (ALS). These include superoxide dismutase (SOD1), transactive response DNA-binding protein (TDP-43), fused in sarcoma/translocated in liposarcoma protein (FUS/TLS), p62, vasolin-containing protein (VCP), Ubiquilin-2 and dipeptide repeats produced by unconventional RAN-translation of the GGGGCC expansion in C9ORF72. Up to date, functional studies have not yet revealed a common mechanism for the formation of such diverse protein inclusions...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28167348/3d-functional-ultrasound-imaging-of-the-cerebral-visual-system-in-rodents
#5
Marc Gesnik, Kevin Blaize, Thomas Deffieux, Jean-Luc Gennisson, José-Alain Sahel, Mathias Fink, Serge Picaud, Mickaël Tanter
3D functional imaging of the whole brain activity during visual task is a challenging task in rodents due to the complex tri-dimensional shape of involved brain regions and the fine spatial and temporal resolutions required to reveal the visual tract. By coupling functional ultrasound (fUS) imaging with a translational motorized stage and an episodic visual stimulation device, we managed to accurately map and to recover the activity of the visual cortices, the Superior Colliculus (SC) and the Lateral Geniculate Nuclei (LGN) in 3D...
February 3, 2017: NeuroImage
https://www.readbyqxmd.com/read/28164659/analysis-of-four-automated-urinalysis-systems-compared-to-reference-methods
#6
Kamila Bartosova, Zdenek Kubicek, Janka Franekova, Gustav Louzensky, Petra Lavrikova, Antonin Jabor
BACKGROUND: The aim of this study was to compare four automated urinalysis systems: the Iris iQ200 Sprint (Iris Diagnostics, U.S.A.) combined with the Arkray AUTION MAX AX 4030, Iris + AUTION, Arkray AU 4050 (Arkray Global Business, Inc., Japan), Dirui FUS 2000 (Dirui Industrial Co., P.R.C.), and Menarini sediMAX (Menarini, Italy). METHODS: Urine concentrations of protein and glucose (Iris, Dirui) were compared using reference quantitative analysis on an Abbott Architect c16000...
November 1, 2016: Clinical Laboratory
https://www.readbyqxmd.com/read/28163215/vegf-alleviates-als-csf-induced-cytoplasmic-accumulations-of-tdp-43-and-fus-tls-in-nsc-34-cells
#7
Shubham Shantanu, K Vijayalakshmi, S Shruthi, B K Chandrasekhar Sagar, T N Sathyaprabha, A Nalini, Trichur R Raju, Phalguni Anand Alladi
Cytoplasmic mislocalisation and aggregation of TDP-43 and FUS/TLS proteins in spinal motor neurons contribute to the pathogenesis of the highly fatal disorder amyotrophic lateral sclerosis (ALS). We investigated the neuroprotective effect of VEGF on expression of these proteins in the motor neuronal cell line NSC-34 modelled to reminisce sporadic form of ALS. We studied the expression of TDP-43 and FUS/TLS proteins after exposure to ALS-CSF and following VEGF supplementation by quantitative confocal microscopy and electron microscopy...
February 2, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28161363/molecular-determinants-of-cytochrome-c-oxidase-iv-mrna-axonal-trafficking
#8
Amar N Kar, Jose Norberto S Vargas, Cai-Yun Chen, Jeffrey A Kowalak, Anthony E Gioio, Barry B Kaplan
In previous studies, we identified a putative 38-nucleotide stem-loop structure (zipcode) in the 3' untranslated region of the cytochrome c oxidase subunit IV (COXIV) mRNA that was necessary and sufficient for the axonal localization of the message in primary superior cervical ganglion (SCG) neurons. However, little is known about the proteins that interact with the COXIV-zipcode and regulate the axonal trafficking and local translation of the COXIV message. To identify proteins involved in the axonal transport of the COXIV mRNA, we used the biotinylated 38-nucleotide COXIV RNA zipcode as bait in the affinity purification of COXIV zipcode binding proteins...
February 1, 2017: Molecular and Cellular Neurosciences
https://www.readbyqxmd.com/read/28160950/comprehensive-targeted-next-generation-sequencing-in-japanese-familial-amyotrophic-lateral-sclerosis
#9
Ayumi Nishiyama, Tetsuya Niihori, Hitoshi Warita, Rumiko Izumi, Tetsuya Akiyama, Masaaki Kato, Naoki Suzuki, Yoko Aoki, Masashi Aoki
Amyotrophic lateral sclerosis (ALS) is an adult-onset neurodegenerative disease characterized by loss of motor neurons. We have recently identified SOD1 and FUS mutations as the most common causes in a consecutive series of 111 familial ALS pedigrees in Japan. To reveal possible genetic causes for the remaining 51 patients with familial ALS (45 pedigrees), we performed targeted next-generation sequencing of 35 known ALS/motor neuron diseases-related genes. Known variants in ANG, OPTN, SETX, and TARDBP were identified in 6 patients...
January 10, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28159885/genetic-testing-in-als-a-survey-of-current-practices
#10
Alice Vajda, Russell L McLaughlin, Mark Heverin, Owen Thorpe, Sharon Abrahams, Ammar Al-Chalabi, Orla Hardiman
OBJECTIVE: To determine the degree of consensus among clinicians on the clinical use of genetic testing in amyotrophic lateral sclerosis (ALS) and the factors that determine decision-making. METHODS: ALS researchers worldwide were invited to participate in a detailed online survey to determine their attitudes and practices relating to genetic testing. RESULTS: Responses from 167 clinicians from 21 different countries were analyzed. The majority of respondents (73...
February 3, 2017: Neurology
https://www.readbyqxmd.com/read/28159640/focused-ultrasound-triggered-release-of-tyrosine-kinase-inhibitor-from-thermosensitve-liposomes-for-treatment-of-renal-cell-carcinoma
#11
Caleb Abshire, Hakm Y Murad, Jaspreet S Arora, James Liu, Sree Harsha Mandava, Vijay T John, Damir B Khismatullin, Benjamin R Lee
This study reports, for the first time, development of tyrosine kinase inhibitor-loaded, thermosensitive liposomes (TKI/TSLs) and their efficacy for treatment of renal cell carcinoma when triggered by focused ultrasound (FUS). Uptake of these nanoparticles into renal cancer cells was visualized with confocal and fluorescent imaging of rhodamine B-loaded liposomes. The combination of TKI/TSLs and focused ultrasound was tested in an in vitro tumor model of renal cell carcinoma. According to MTT cytotoxic assay and flow cytometric analysis the combined treatment led to the least viability (23...
January 31, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28159329/new-horizons-for-focused-ultrasound-fus-therapeutic-applications-in-neurodegenerative-diseases
#12
Diane B Miller, James P O'Callaghan
Access to the CNS and delivery of therapeutics across the blood-brain barrier remains a challenge for most treatments of major neurological diseases such as AD or PD. Focused ultrasound represents a potential approach for overcoming these barriers to treating AD and PD and perhaps other neurological diseases. Ultrasound (US) is best known for its imaging capabilities of organs in the periphery, but various arrangements of the transducers producing the acoustic signal allow the energy to be precisely focused (F) within the skull...
January 11, 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28147269/altered-tau-isoform-ratio-caused-by-loss-of-fus-and-sfpq-function-leads-to-ftld-like-phenotypes
#13
Shinsuke Ishigaki, Yusuke Fujioka, Yohei Okada, Yuichi Riku, Tsuyoshi Udagawa, Daiyu Honda, Satoshi Yokoi, Kuniyuki Endo, Kensuke Ikenaka, Shinnosuke Takagi, Yohei Iguchi, Naruhiko Sahara, Akihiko Takashima, Hideyuki Okano, Mari Yoshida, Hitoshi Warita, Masashi Aoki, Hirohisa Watanabe, Haruo Okado, Masahisa Katsuno, Gen Sobue
Fused in sarcoma (FUS) and splicing factor, proline- and glutamine-rich (SFPQ) are RNA binding proteins that regulate RNA metabolism. We found that alternative splicing of the Mapt gene at exon 10, which generates 4-repeat tau (4R-T) and 3-repeat tau (3R-T), is regulated by interactions between FUS and SFPQ in the nuclei of neurons. Hippocampus-specific FUS- or SFPQ-knockdown mice exhibit frontotemporal lobar degeneration (FTLD)-like behaviors, reduced adult neurogenesis, accumulation of phosphorylated tau, and hippocampal atrophy with neuronal loss through an increased 4R-T/3R-T ratio...
January 31, 2017: Cell Reports
https://www.readbyqxmd.com/read/28145994/pulsed-focused-ultrasound-changes-nerve-conduction-of-earthworm-giant-axonal-fibers
#14
Sarah H Yoo, Phillip Croce, Ryan W Margolin, Stephanie D Lee, Wonhye Lee
This study examined the effects of pulsed focused ultrasound (FUS) in disrupting nerve conduction. FUS operating at a 210 kHz fundamental frequency was administered to the medial and lateral giant axonal nerve fibers of earthworms in a burst of pulses (1 ms tone burst duration, 20 Hz pulse repetition frequency). The magnitude and latencies of the nerve potentials induced by electrical stimulation were measured under three experimental conditions - (I) no sonication, (II) sonication at 600 mW/cm spatial-peak temporal-average intensity (Ispta), and (III) sonication at 200 mW/cm Ispta...
January 31, 2017: Neuroreport
https://www.readbyqxmd.com/read/28127426/mri-guided-coupling-for-a-focused-ultrasound-system-using-a-top-to-bottom-propagation
#15
Marinos Yiannakou, George Menikou, Christos Yiallouras, Christakis Damianou
BACKGROUND: A novel magnetic resonance imaging (MRI)-conditional coupling system was developed that accommodates a focused ultrasound (FUS) transducer. With this coupling system, the transducer can access targets from top to bottom. The intended clinical application is treatment of fibroids using FUS with the patient placed in supine position. METHODS: The coupling system was manufactured using a rapid prototyping device using acrylonitrile butadiene styrene (ABS) plastic...
2017: Journal of Therapeutic Ultrasound
https://www.readbyqxmd.com/read/28120053/restoring-neurological-physiology-the-innovative-role-of-high-energy-mr-guided-focused-ultrasound-himrgfus-preliminary-data-from-a-new-method-of-lesioning-surgery
#16
Antonella Giugno, Rosario Maugeri, Francesca Graziano, Cesare Gagliardo, Angelo Franzini, Carlo Catalano, Massimo Midiri, Domenico Gerardo Iacopino
BACKGROUND: Tremor is a disabling condition, common to several neurodegenerative diseases. Lesioning procedures and deep brain stimulation, respectively, of the ventralis intermedius nucleus for intentional tremor, and of the subthalamic nucleus for parkinsonian resting tremor, have been introduced in clinical practice for patients refractory to medical treatment. The combination of high-energy focused ultrasound (HIFUS) with sophisticated magnetic resonance (MR) instrumentation, together with accurate knowledge of the stereotactic brain coordinates, represents a revolution in neuromodulation...
2017: Acta Neurochirurgica. Supplement
https://www.readbyqxmd.com/read/28113252/focused-ultrasound-help-realize-high-spatio-temporal-brain-imaging-a-concept-on-acousto-electrophysiological-neuroimaging
#17
Bin He
We present a concept for integrating focused ultrasound (FUS) with electrophysiological neuroimaging, in order to achieve high spatio-temporal brain imaging. This approach, acousto-electrophysiological neuroimaging, leverages on the spatial focality and noninvasiveness of FUS, may potentially lead to a noninvasive human brain imaging modality with high resolution in both space and time domain. Through ultrasound modulation, spatial selectivity is accomplished for high resolution electrophysiological neuroimaging...
October 25, 2016: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28108880/unusual-signal-patterns-of-break-apart-fish-probes-used-in-the-diagnosis-of-soft-tissue-sarcomas
#18
Gergő Papp, Dóra Mihály, Zoltán Sápi
Break-apart FISH probes are the most popular and reliable type of FISH probes used to confirm certain pathological diagnoses. The interpretation is usually easy, however, in some instances it is not so unequivocal. Our aim was to reveal and elucidate the problems occurring in the process of evaluation of the break-apart probe results. Altogether 301 soft tissue sarcomas with confirmed molecular tests using break-apart probes were assessed to reveal the frequency and type of unusual signal pattern. Among 89 synovial sarcoma (SS18) 11%, 12 alveolar rhabdomyosarcoma (FOXO1) 50%, 53 myxoid liposarcoma (DDIT3) 7...
January 20, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28106655/transurethral-polyacrylamide-hydrogel-injection-therapy-in-women-not-eligible-for-midurethral-sling-surgery
#19
Daniel Altman, Francesca Ghilotti, Rino Bellocco, Jan Zetterström, Helena Kopp Kallner
OBJECTIVES: This study aims to determine the effects of transurethral polyacrylamide hydrogel injection in patients considered ineligible for midurethral sling surgery. METHODS: In this prospective observational study, 81 patients received treatment with transurethral polyacrylamide hydrogel injection. Patients were considered ineligible for placement of a midurethral sling based on significant comorbidity (48%), 1 or more previously failed invasive treatments (16%), mixed urinary incontinence (27%), continuous incontinence (5%), or previous pelvic radiation therapy (4%)...
January 18, 2017: Female Pelvic Medicine & Reconstructive Surgery
https://www.readbyqxmd.com/read/28105640/the-genotype-phenotype-landscape-of-familial-amyotrophic-lateral-sclerosis-in-australia
#20
Emily P McCann, Kelly L Williams, Jennifer A Fifita, Ingrid S Tarr, Jody O'Connor, Dominic B Rowe, Garth A Nicholson, Ian P Blair
Amyotrophic lateral sclerosis (ALS) is a clinically and genetically heterogeneous fatal neurodegenerative disease. Around 10% of ALS cases are hereditary. ALS gene discoveries have provided most of our understanding of disease pathogenesis. We aimed to describe the genetic landscape of ALS in Australia by assessing 1013 Australian ALS patients for known ALS mutations by direct sequencing, whole exome sequencing or repeat primed PCR. Age of disease onset and disease duration were used for genotype-phenotype correlations...
January 20, 2017: Clinical Genetics
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