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https://www.readbyqxmd.com/read/29232019/thalamic-deep-brain-stimulation-for-essential-tremor-also-reduces-voice-tremor
#1
Bornali Kundu, Lauren Schrock, Tyler Davis, Paul A House
OBJECTIVE: Voice tremor is a common feature of essential tremor (ET) that is difficult to treat medically and significantly affects quality of life. Deep brain stimulation (DBS) of the ventral intermediate nucleus (Vim) of the thalamus is effective in improving contralateral distal limb tremor and has been shown in limited studies to affect voice tremor. Our objective was to retrospectively evaluate whether Vim-DBS used to treat patients with essential motor tremor also effectively treated underlying concurrent voice tremor and assess whether particular lead locations were favorable for treating vocal tremor...
December 12, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/29228717/somatic-prdm2-c-4467dela-mutations-in-colorectal-cancers-control-histone-methylation-and-tumor-growth
#2
Tatjana Pandzic, Veronica Rendo, Jinyeong Lim, Chatarina Larsson, Jimmy Larsson, Ivaylo Stoimenov, Snehangshu Kundu, Muhammad Akhtar Ali, Mats Hellström, Liqun He, Anders M Lindroth, Tobias Sjöblom
The chromatin modifier PRDM2/RIZ1 is inactivated by mutation in several forms of cancer and is a putative tumor suppressor gene. Frameshift mutations in the C-terminal region of PRDM2, affecting (A)8 or (A)9 repeats within exon 8, are found in one third of colorectal cancers with microsatellite instability, but the contribution of these mutations to colorectal tumorigenesis is unknown. To model somatic mutations in microsatellite unstable tumors, we devised a general approach to perform genome editing while stabilizing the mutated nucleotide repeat...
November 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29228692/epigenetic-landscape-change-analysis-during-human-emt-sheds-light-on-a-key-emt-mediator-trim29
#3
Sung Kyung Choi, Kurinji Pandiyan, Jung Woo Eun, Xiaojing Yang, Seong Hwi Hong, Suk Woo Nam, Peter A Jones, Gangning Liang, Jueng Soo You
Epithelial to mesenchymal transition (EMT) is a key trans-differentiation process, which plays a critical role in physiology and pathology. Although gene expression changes in EMT have been scrutinized, study of epigenome is in its infancy. To understand epigenetic changes during TWIST-driven EMT, we used the AcceSssIble assay to study DNA methylation and chromatin accessibility in human mammary epithelial cells (HMECs). The DNA methylation changes were found to have functional significance in EMT - i.e. methylated genes were enriched for E-box motifs that can be recognized by TWIST, at the promoters suggesting a potential targeting phenomenon, whereas the demethylated regions were enriched for pro-metastatic genes, supporting the role of EMT in metastasis...
November 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29216906/detection-of-metallo-%C3%AE-lactamases-encoding-genes-among-clinical-isolates-of-pseudomonas-aeruginosa-in-a-tertiary-care-hospital-kathmandu-nepal
#4
Mahesh Acharya, Prabhu R Joshi, Kamal Thapa, Rajan Aryal, Trishna Kakshapati, Supriya Sharma
OBJECTIVES: This study was carried out to determine the prevalence of metallo-β-lactamases (MBLs) producing Pseudomonas aeruginosa in imipenem-nonsusceptible isolates and to detect MBL-encoding genes among MBLs-positive isolates. RESULTS: Metallo-β-lactamases production was detected in 68.6% isolates of P. aeruginosa with reduced susceptibility to imipenem. The bla VIM-2 gene was detected in 75% isolates and bla IMP-1 was detected in 25% isolates. All MBLs-positive isolates were multidrug resistant with a high level of resistance to imipenem (MIC 16 to ≥ 32 µg/ml), meropenem (MIC 16 to ≥ 32 µg/ml), and ceftazidime (MIC 64 to ≥ 512 µg/ml)...
December 8, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/29208669/vimentin-is-required-for-lung-adenocarcinoma-metastasis-via-heterotypic-tumor-cell-cancer-associated-fibroblast-interactions-during-collective-invasion
#5
Alessandra M Richardson, Lauren Havel, Allyson E Koyen, Jessica M Konen, John A Shupe, W G Wiles, W David Martin, Hans Grossniklaus, Gabriel L Sica, Melissa Gilbert-Ross, Adam Marcus
PURPOSE: Vimentin is an epithelial to mesenchymal transition (EMT) biomarker and intermediate filament protein that functions during cell migration to maintain structure and motility. Despite the abundance of clinical data linking vimentin to poor patient outcome, it is unclear if vimentin is required for metastasis or is a correlative biomarker. We developed a novel genetically engineered mouse model (GEMM) to probe vimentin in lung adenocarcinoma metastasis. EXPERIMENTAL DESIGN: We used the LSL-Kras G12D/Lkb1 fl/fl/Vim-/-model (KLV-/-), which incorporates a whole-body knockout of vimentin and is derived from the Cre-dependent LSL-Kras G12D/Lkb1 fl/fl model (KLV+/+)...
December 5, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29203059/increased-glutamate%C3%A2-glutamine-levels-in-the-thalamus-of-patients-with-essential-tremor-a-preliminary-proton-mr-spectroscopic-study
#6
Gaetano Barbagallo, Gennarina Arabia, Fabiana Novellino, Rita Nisticò, Maria Salsone, Maurizio Morelli, Federico Rocca, Andrea Quattrone, Manuela Caracciolo, Umberto Sabatini, Andrea Cherubini, Aldo Quattrone
INTRODUCTION: The aim of this study was to investigate the thalamic biochemical profile in patients with essential tremor (ET), using proton magnetic resonance spectroscopy (1H-MRS), and to explore the correlations between clinical and biochemical data. METHODS: Sixteen patients with ET and 14 healthy controls participated in this study. After conventional MR imaging, single-voxel 1H-MRS (TR = 2000 ms; TE = 28 ms) was performed by using a PROBE-SV system implemented on a 3-T scanner...
November 28, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/29196249/deep-brain-stimulation-for-essential-tremor-a-comparison-of-targets
#7
Joost A H Holslag, Nienke Neef, Martijn Beudel, Gea Drost, D L Marinus Oterdoom, Naomi I Kremer, Teus van Laar, J Marc C van Dijk
INTRODUCTION: Deep Brain Stimulation (DBS) is an established treatment for refractory Essential Tremor (ET). Initially, the target of choice was the thalamic Ventral Inter Mediate nucleus (VIM). However, the Zona Incerta (ZI) has been put forward as a superior target. Both targets are considered safe and effective, but a direct comparison between these targets is lacking. METHODS: We analyzed a single-center cohort of 44 ET-patients treated with DBS between 1998 and 2017, targeting the VIM and/or ZI...
November 28, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29193730/the-3p14-2-tumour-suppressor-adamts9-is-inactivated-by-promoter-cpg-methylation-and-inhibits-tumour-cell-growth-in-breast-cancer
#8
Bianfei Shao, Yixiao Feng, Hongbin Zhang, Fang Yu, Qianqian Li, Cui Tan, Hongying Xu, Jianming Ying, Lili Li, Dejuan Yang, Weiyan Peng, Jun Tang, Shuman Li, Guosheng Ren, Qian Tao, Tingxiu Xiang
Chromosome region 3p12-14 is an important tumour suppressor gene (TSG) locus for multiple cancers. ADAMTS9, a member of the metalloprotease large family, has been identified as a candidate 3p14.2 TSG inactivated by aberrant promoter CpG methylation in several carcinomas, but little known about its expression and function in breast cancer. In this report, ADAMTS9 expression and methylation was analysed in breast cancer cell lines and tissue samples. ADAMTS9 RNA was significantly down-regulated in breast cancer cell lines (6/8)...
November 29, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/29186432/bacterial-zincophore-s-s-ethylenediamine-n-n-disuccinic-acid-is-an-effective-inhibitor-of-mbls
#9
Anna Proschak, Jan Kramer, Ewgenij Proschak, Thomas A Wichelhaus
Objectives: Carbapenemases such as MBLs are spreading among Gram-negative bacterial pathogens. Infections due to these MDR bacteria constitute a major global health challenge. Therapeutic strategies against carbapenemase-producing bacteria include β-lactamase inhibitor combinations. [S,S]-ethylenediamine-N,N'-disuccinic acid (EDDS) is a chelator and potential inhibitor of MBLs. We investigated the activity of EDDS in combination with imipenem against MBL-producing bacteria in vitro as well as in vivo...
November 23, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29181555/predicting-vection-and-visually-induced-motion-sickness-based-on-spontaneous-postural-activity
#10
Stephen Palmisano, Benjamin Arcioni, Paul J Stapley
Evidence is mounting that differences in postural instability can be used to predict who will experience strong illusory self-motions (vection) and become sick when exposed to global patterns of optical flow (e.g., Apthorp et al., PLoS One 9(12):e113897, 2014; Stoffregen and Smart, Brain Res Bull 47:437-448, 1998). This study compared the predictive ability of traditional and recurrence quantification analysis (RQA) based measures of postural activity. We initially measured spontaneous fluctuations in the centre of foot pressure (CoP) of our subjects as they stood quietly with their eyes open and closed...
November 27, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/29166378/blood-pressure-variability-is-independent-of-systolic-pressure-in-adolescent-and-young-adult-patients-undergoing-hemodialysis
#11
Jingjing Da, Zulong Zhang, Yan Shen, Qian Li, Ying Hu, Yan Zha
OBJECTIVE: Pre-dialysis blood pressure variability (BPV) in adolescent and young-adult maintenance hemodialysis (MHD) patients remains unknown. This study aimed to show the degree of 44-hour BPV and to explore its related risk factors in adolescent and young-adult MHD patients. METHOD: One hundred and fifty-three hemodialysis patients aged from 14 to 29 were selected from 11 medical facilities in Guizhou, China. Variability independent of mean BP (VIM) obtained by 44-hour ambulatory BP monitoring was used to calculate BPV...
November 22, 2017: Pediatric Research
https://www.readbyqxmd.com/read/29165508/-test-evaluation-and-strategy-proposal-to-detect-and-to-characterize-carbapenemase-producing-gram-negative-bacilli
#12
Constanza Muñoz, Cecilia Zumarán, Tamara González, Aniela Wozniak, Claudia Castillo, Patricia García
INTRODUCTION: The detection of carbapenemase-producing gram negative bacilli is complicated, because there are available multiple options of test. The confirmation of the enzyme by molecular characterization is not available in all laboratories in our country. OBJECTIVE: To propose a fast, efficient and simple strategy to detect and confirm CPB. MATERIALS AND METHODS: 39 CPB isolates and 8 non-producing were used to evaluate the phenotypic test Carba NP, CarbAcineto NP and Blue-Carba, validating the test Xpert® Carba-R, to be used directly with bacterial colonies with conventional PCR...
August 2017: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
https://www.readbyqxmd.com/read/29163422/a-novel-inca-c1-group-conjugative-plasmid-encoding-vim-1-metallo-beta-lactamase-mediates-the-acquisition-of-carbapenem-resistance-in-st104-klebsiella-pneumoniae-isolates-from-neonates-in-the-intensive-care-unit-of-v-monaldi-hospital-in-naples
#13
Eliana P Esposito, Stefano Gaiarsa, Mariateresa Del Franco, Valeria Crivaro, Mariano Bernardo, Susanna Cuccurullo, Francesca Pennino, Maria Triassi, Piero Marone, Davide Sassera, Raffaele Zarrilli
The emergence of carbapenemase producing Enterobacteriaceae has raised major public health concern. The aim of this study was to investigate the molecular epidemiology and the mechanism of carbapenem resistance acquisition of multidrug-resistant Klebsiella pneumoniae isolates from 20 neonates in the neonatal intensive care unit (NICU) of the V. Monaldi Hospital in Naples, Italy, from April 2015 to March 2016. Genotype analysis by pulsed-field gel electrophoresis (PFGE) and multi-locus sequence typing (MLST) identified PFGE type A and subtypes A1 and A2 in 17, 2, and 1 isolates, respectively, and assigned all isolates to sequence type (ST) 104...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29152775/new-insights-into-diagnosis-and-therapeutic-options-for-proliferative-hepatoblastoma
#14
Katarzyna B Hooks, Jérôme Audoux, Helena Fazli, Sarah Lesjean, Tony Ernault, Nathalie-Dugot Senant, Thierry Leste-Lasserre, Martin Hagedorn, Benoit Rousseau, Coralie Danet, Sophie Branchereau, Laurence Brugières, Sophie Taque, Catherine Guettier, Monique Fabre, Anne Rullier, Marie-Annick Buendia, Thérèse Commes, Christophe F Grosset, Anne-Aurélie Raymond
Surgery and cisplatin-based treatment of hepatoblastoma (HB) currently guarantee the survival of 70-80% of patients. However, some important challenges remain in diagnosing high risk tumors and identifying relevant targetable pathways offering new therapeutic avenues. Previously, two molecular subclasses of hepatoblastoma tumors have been described, namely C1 and C2; C2 being the subgroup with the poorest prognosis, a more advanced tumor stage and the worst overall survival rate. An associated 16-gene signature to discriminate the two tumoral subgroups was proposed but it has not been transferred into clinical routine...
November 20, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29139094/investigating-the-therapeutic-potential-and-mechanism-of-curcumin-in-breast-cancer-based-on-rna-sequencing-and-bioinformatics-analysis
#15
Rong Wang, Jinbin Li, Yulan Zhao, Yapeng Li, Ling Yin
BACKGROUND: Breast cancer is a prevalent cancer in female. This study aims to investigate the therapeutic potential and mechanism of curcumin in breast cancer. METHODS: After cultivation, human breast cancer cells (MCF-7 cells) were treated with 0.1% (v/v) 15 µmol/ml curcumin-dimethylsulfoxide solution and 0.1% (v/v) dimethylsulfoxide, respectively, at 37 °C and 5% CO2 for 48 h. Total RNA was extracted, cDNA library was constructed, and cDNAs were amplified and sequenced...
November 14, 2017: Breast Cancer: the Journal of the Japanese Breast Cancer Society
https://www.readbyqxmd.com/read/29133364/day-by-day-variability-of-home-blood-pressure-and-incident-cardiovascular-disease-in-clinical-practice-the-j-hop-study-japan-morning-surge-home-blood-pressure
#16
Satoshi Hoshide, Yuichiro Yano, Hiroyuki Mizuno, Hiroshi Kanegae, Kazuomi Kario
We assessed the relationship between day-by-day home blood pressure (BP) variability and incident cardiovascular disease (CVD) in clinical practice. J-HOP study (Japan Morning Surge-Home Blood Pressure) participants underwent home BP monitoring in the morning and evening for a 14-day period, and their BP levels and BP variability independent of the mean (VIM) were assessed. Incident CVD events included coronary heart disease and stroke. Cox models were fitted to assess the home BP variability-CVD risk association...
November 13, 2017: Hypertension
https://www.readbyqxmd.com/read/29129916/a-post-transcriptional-program-coordinated-by-csde1-prevents-intrinsic-neural-differentiation-of-human-embryonic-stem-cells
#17
Hyun Ju Lee, Deniz Bartsch, Cally Xiao, Santiago Guerrero, Gaurav Ahuja, Christina Schindler, James J Moresco, John R Yates, Fátima Gebauer, Hisham Bazzi, Christoph Dieterich, Leo Kurian, David Vilchez
While the transcriptional network of human embryonic stem cells (hESCs) has been extensively studied, relatively little is known about how post-transcriptional modulations determine hESC function. RNA-binding proteins play central roles in RNA regulation, including translation and turnover. Here we show that the RNA-binding protein CSDE1 (cold shock domain containing E1) is highly expressed in hESCs to maintain their undifferentiated state and prevent default neural fate. Notably, loss of CSDE1 accelerates neural differentiation and potentiates neurogenesis...
November 13, 2017: Nature Communications
https://www.readbyqxmd.com/read/29128955/right-brodmann-area-18-predicts-tremor-arrest-after-vim-radiosurgery-a-voxel-based-morphometry-study
#18
Constantin Tuleasca, Tatiana Witjas, Dimitri Van de Ville, Elena Najdenovska, Antoine Verger, Nadine Girard, Jerome Champoudry, Jean-Philippe Thiran, Meritxell Bach Cuadra, Marc Levivier, Eric Guedj, Jean Régis
INTRODUCTION: Drug-resistant essential tremor (ET) can benefit from open standard stereotactic procedures, such as deep-brain stimulation or radiofrequency thalamotomy. Non-surgical candidates can be offered either high-focused ultrasound (HIFU) or radiosurgery (RS). All procedures aim to target the same thalamic site, the ventro-intermediate nucleus (e.g., Vim). The mechanisms by which tremor stops after Vim RS or HIFU remain unknown. We used voxel-based morphometry (VBM) on pretherapeutic neuroimaging data and assessed which anatomical site would best correlate with tremor arrest 1 year after Vim RS...
November 11, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29126393/genomic-characterisation-of-clinical-and-environmental-pseudomonas-putida-group-strains-and-determination-of-their-role-in-the-transfer-of-antimicrobial-resistance-genes-to-pseudomonas-aeruginosa
#19
Silke Peter, Philipp Oberhettinger, Leonard Schuele, Ariane Dinkelacker, Wichard Vogel, Daniela Dörfel, Daniela Bezdan, Stephan Ossowski, Matthias Marschal, Jan Liese, Matthias Willmann
BACKGROUND: Pseudomonas putida is a Gram-negative, non-fermenting bacterium frequently encountered in various environmental niches. P. putida rarely causes disease in humans, though serious infections and outbreaks have been reported from time to time. Some have suggested that P. putida functions as an exchange platform for antibiotic resistance genes (ARG), and thus represents a serious concern in the spread of ARGs to more pathogenic organisms within a hospital. Though poorly understood, the frequency of ARG exchange between P...
November 10, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29123267/bpifb1-lplunc1-inhibits-migration-and-invasion-of-nasopharyngeal-carcinoma-by-interacting-with-vtn-and-vim
#20
Fang Wei, Yingfen Wu, Le Tang, Yi He, Lei Shi, Fang Xiong, Zhaojian Gong, Can Guo, Xiayu Li, Qianjin Liao, Wenling Zhang, Ming Zhou, Bo Xiang, Xiaoling Li, Yong Li, Guiyuan Li, Wei Xiong, Zhaoyang Zeng
BACKGROUND: Bactericidal/Permeability-increasing-fold-containing family B member 1 (BPIFB1, previously termed LPLUNC1) is highly expressed in the nasopharynx, significantly downregulated in nasopharyngeal carcinoma (NPC), and associated with prognosis in NPC patients. Because metastasis represents the primary cause of NPC-related death, we explored the role of BPIFB1 in NPC migration and invasion. METHODS: The role of BPIFB1 in NPC metastasis was investigated in vitro and in vivo...
November 9, 2017: British Journal of Cancer
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