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https://www.readbyqxmd.com/read/29475118/kockdown-of-oip5-as1-expression-inhibits-proliferation-metastasis-and-emt-progress-in-hepatoblastoma-cells-through-up-regulating-mir-186a-5p-and-down-regulating-zeb1
#1
Ze Zhang, Feng Liu, Fan Yang, Yahui Liu
Long non-coding RNA OIP5-AS1 has been studied in human diseases, including several kinds of cancers. It was not studied or reported in hepatoblastoma, so we chose it to do our research in hepatoblastoma. We thought OIP5-AS1 was oncogenic in hepatoblastoma for the high expression of it in hepatoblastoma tissues and cells. OIP5-AS1 knockdown was carried out in cancer cells. Unsurprisingly, this action was verified to be able to inhibit cell proliferation, metastasis and EMT progress in hepatoblastoma. We then measured the low expression level of miR-186a-5p and the high expression level of ZEB1 in hepatoblastoma tissues and cells...
February 20, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29474921/inborn-errors-of-rna-lariat-metabolism-in-humans-with-brainstem-viral-infection
#2
Shen-Ying Zhang, Nathaniel E Clark, Catherine A Freije, Elodie Pauwels, Allison J Taggart, Satoshi Okada, Hanna Mandel, Paula Garcia, Michael J Ciancanelli, Anat Biran, Fabien G Lafaille, Miyuki Tsumura, Aurélie Cobat, Jingchuan Luo, Stefano Volpi, Bastian Zimmer, Sonoko Sakata, Alexandra Dinis, Osamu Ohara, Eduardo J Garcia Reino, Kerry Dobbs, Mary Hasek, Stephen P Holloway, Karen McCammon, Stacy A Hussong, Nicholas DeRosa, Candice E Van Skike, Adam Katolik, Lazaro Lorenzo, Maki Hyodo, Emilia Faria, Rabih Halwani, Rie Fukuhara, Gregory A Smith, Veronica Galvan, Masad J Damha, Saleh Al-Muhsen, Yuval Itan, Jef D Boeke, Luigi D Notarangelo, Lorenz Studer, Masao Kobayashi, Luisa Diogo, William G Fairbrother, Laurent Abel, Brad R Rosenberg, P John Hart, Amos Etzioni, Jean-Laurent Casanova
Viruses that are typically benign sometimes invade the brainstem in otherwise healthy children. We report bi-allelic DBR1 mutations in unrelated patients from different ethnicities, each of whom had brainstem infection due to herpes simplex virus 1 (HSV1), influenza virus, or norovirus. DBR1 encodes the only known RNA lariat debranching enzyme. We show that DBR1 expression is ubiquitous, but strongest in the spinal cord and brainstem. We also show that all DBR1 mutant alleles are severely hypomorphic, in terms of expression and function...
February 22, 2018: Cell
https://www.readbyqxmd.com/read/29474918/dissecting-the-causal-mechanism-of-x-linked-dystonia-parkinsonism-by-integrating-genome-and-transcriptome-assembly
#3
Tatsiana Aneichyk, William T Hendriks, Rachita Yadav, David Shin, Dadi Gao, Christine A Vaine, Ryan L Collins, Aloysius Domingo, Benjamin Currall, Alexei Stortchevoi, Trisha Multhaupt-Buell, Ellen B Penney, Lilian Cruz, Jyotsna Dhakal, Harrison Brand, Carrie Hanscom, Caroline Antolik, Marisela Dy, Ashok Ragavendran, Jason Underwood, Stuart Cantsilieris, Katherine M Munson, Evan E Eichler, Patrick Acuña, Criscely Go, R Dominic G Jamora, Raymond L Rosales, Deanna M Church, Stephen R Williams, Sarah Garcia, Christine Klein, Ulrich Müller, Kirk C Wilhelmsen, H T Marc Timmers, Yechiam Sapir, Brian J Wainger, Daniel Henderson, Naoto Ito, Neil Weisenfeld, David Jaffe, Nutan Sharma, Xandra O Breakefield, Laurie J Ozelius, D Cristopher Bragg, Michael E Talkowski
X-linked Dystonia-Parkinsonism (XDP) is a Mendelian neurodegenerative disease that is endemic to the Philippines and is associated with a founder haplotype. We integrated multiple genome and transcriptome assembly technologies to narrow the causal mutation to the TAF1 locus, which included a SINE-VNTR-Alu (SVA) retrotransposition into intron 32 of the gene. Transcriptome analyses identified decreased expression of the canonical cTAF1 transcript among XDP probands, and de novo assembly across multiple pluripotent stem-cell-derived neuronal lineages discovered aberrant TAF1 transcription that involved alternative splicing and intron retention (IR) in proximity to the SVA that was anti-correlated with overall TAF1 expression...
February 22, 2018: Cell
https://www.readbyqxmd.com/read/29474893/better-airway-resistance-reduction-profile-in-intubated-copd-patients-by-personalized-bronchodilator-dosing-a-pilot-randomized-control-trial
#4
Shin-Hwar Wu, Lih-Jen Shyu, Chin-Hsing Li, Chao-Hung Yu, Huang-Chi Chen, Chew-Teng Kor, Chu-Hsien Wang, Kai-Huang Lin
INTRODUCTION: The optimal dose of inhaled metered-dose bronchodilators for intubated patients with chronic obstructive pulmonary disease (COPD) is unknown. In this study, we proposed a bronchodilator dosing schedule based on an individual's airway resistance (Raw ) and tested its efficacy in reducing Raw . METHODS: A total of 51 newly admitted patients with invasively ventilated COPD were randomly assigned to receive personalized or fixed bronchodilator dosing. Personal target Raw was defined by measuring each individual's Raw after maximal pharmacologic bronchodilatation...
February 20, 2018: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29474534/cdkl5-protein-substitution-therapy-rescues-neurological-phenotypes-of-a-mouse-model-of-cdkl5-disorder
#5
Stefania Trazzi, Marianna De Franceschi, Claudia Fuchs, Stefano Bastianini, Rocchina Viggiano, Leonardo Lupori, Raffaele Mazziotti, Giorgio Medici, Viviana Lo Martire, Elisa Ren, Roberto Rimondini, Giovanna Zoccoli, Renata Bartesaghi, Tommaso Pizzorusso, Elisabetta Ciani
Cyclin-dependent kinase like-5 (CDKL5) disorder is a rare neurodevelopmental disease caused by mutations in the CDKL5 gene. The consequent misexpression of the CDKL5 protein in the nervous system leads to a severe phenotype characterized by intellectual disability, motor impairment, visual deficits, and early-onset epilepsy. No therapy is available for CDKL5 disorder. It has been reported that a protein transduction domain (TAT) is able to deliver macromolecules into cells and even into the brain when fused to a given protein...
February 20, 2018: Human Molecular Genetics
https://www.readbyqxmd.com/read/29474532/infliximab-as-rescue-treatment-in-a-sweet-s-syndrome-related-to-corticodependent-ulcerative-colitis
#6
C Moreno Márquez, B Maldonado Pérez, L Castro Laria
No abstract text is available yet for this article.
February 21, 2018: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/29474366/cr6-interacting-factor-1-deficiency-promotes-endothelial-inflammation-by-sirt1-downregulation
#7
Shuyu Piao, Jun Wan Lee, Harsha Nagar, Saet-Byel Jung, Sujeong Choi, Seonhee Kim, Ikjun Lee, Sung-Min Kim, Nara Shin, Yu Ran Lee, Sang Do Lee, Jin Bong Park, Kaikobad Irani, Minho Won, Gang Min Hur, Byeong Hwa Jeon, Dong Woon Kim, Cuk-Seong Kim
AIMS: CR6 interacting factor 1 (CRIF1) deficiency impairs mitochondrial oxidative phosphorylation complexes, contributing to increased mitochondrial and cellular reactive oxygen species (ROS) production. CRIF1 downregulation has also been revealed to decrease sirtuin 1 (SIRT1) expression and impair vascular function. Inhibition of SIRT1 disturbs oxidative energy metabolism and stimulates nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB)-induced inflammation. Therefore, we hypothesized that both CRIF1 deficiency-induced mitochondrial ROS production and SIRT1 reduction play stimulatory roles in vascular inflammation...
2018: PloS One
https://www.readbyqxmd.com/read/29474345/opioid-related-genetic-polymorphisms-do-not-influence-postoperative-opioid-requirement-a-prospective-observational-study
#8
Frédéric Aubrun, Noël Zahr, Olivier Langeron, Nicolas Boccheciampe, Nathalie Cozic, Lisa Belin, Jean-Sebastien Hulot, Frederic Khiami, Bruno Riou
BACKGROUND: Among the various factors that may influence the pharmacological response to opioids, genetic polymorphisms [single nucleotide polymorphisms (SNP)] have generated some interest. OBJECTIVES: To examine the influence on morphine dose requirements and adverse events in the postoperative period of four SNP [opioid receptor mu1 (OPRM1), ATP-binding cassette subfamily B, member 1 (ABCB1) ex-21 and ex-26, catechol-o-methyltransferase (COMT)] in candidate genes involved in morphine pharmacodynamics and pharmacokinetics...
February 22, 2018: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/29474201/mechanical-ventilation-induces-desensitization-of-lung-axl-tyrosine-kinase-receptors
#9
Gail Otulakowski, Doreen Engelberts, Martin Post, Claire Masterson, Brian P Kavanagh
BACKGROUND: Lower tidal volumes are increasingly used in acute respiratory distress syndrome, but mortality has changed little in the last 20 yr. Therefore, in addition to ventilator settings, it is important to target molecular mediators of injury. Sepsis and other inflammatory states increase circulating concentrations of Gas6, a ligand for the antiinflammatory receptor Axl, and of a soluble decoy form of Axl. We investigated the effects of lung stretch on Axl signaling. METHODS: We used a mouse model of early injury from high tidal volume and assessed the effects of inhibiting Axl on in vivo lung injury (using an antagonist R428, n = 4/group)...
February 23, 2018: Anesthesiology
https://www.readbyqxmd.com/read/29474172/haploinsufficiency-of-trp53-dramatically-extends-the-lifespan-of-sirt6-deficient-mice
#10
Shrestha Ghosh, Sheung Kin Wong, Zhixin Jiang, Baohua Liu, Yi Wang, Quan Hao, Vera Gorbunova, Xinguang Liu, Zhongjun Zhou
Mammalian sirtuin 6 (Sirt6) is a conserved NAD+ -dependent deacylase and mono-ADP ribosylase that is known to be involved in DNA damage repair, metabolic homeostasis, inflammation, tumorigenesis, and aging. Loss of Sirt6 in mice results in accelerated aging and premature death within a month. Here, we show that haploinsufficiency ( i.e. , heterozygous deletion) of Trp53 dramatically extends the lifespan of both female and male Sirt6 -deficient mice. Haploinsufficiency of Trp53 in Sirt6 -deficient mice rescues several age-related phenotypes of Sirt6-deficient mice, including reduced body size and weight, lordokyphosis, colitis, premature senescence, apoptosis, and bone marrow stem cell decline...
February 23, 2018: ELife
https://www.readbyqxmd.com/read/29473905/the-in-vitro-effects-of-enzymatic-digested-gliadin-on-the-functionality-of-the-autophagy-process
#11
Federico Manai, Alberto Azzalin, Fabio Gabriele, Carolina Martinelli, Martina Morandi, Marco Biggiogera, Mauro Bozzola, Sergio Comincini
Gliadin, the alcohol-soluble protein fraction of wheat, contains the factor toxic for celiac disease (CD), and its toxicity is not reduced by digestion with gastro-pancreatic enzymes. Importantly, it is proved that an innate immunity to gliadin plays a key role in the development of CD. The immune response induces epithelial stress and reprograms intraepithelial lymphocytes into natural killer (NK)-like cells, leading to enterocyte apoptosis and an increase in epithelium permeability. In this contribution, we have reported that in Caco-2 cells the administration of enzymatically digested gliadin (PT-gliadin) reduced significantly the expression of the autophagy-related marker LC3-II...
February 23, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29473278/both-widespread-pep-cterm-proteins-and-exopolysaccharides-are-required-for-floc-formation-of-zoogloea-resiniphila-and-other-activated-sludge-bacteria
#12
Na Gao, Ming Xia, Jingcheng Dai, Dianzhen Yu, Weixin An, Shuyang Li, Shuangyuan Liu, Penghui He, Liping Zhang, Zhenbin Wu, Xuezhi Bi, Shouwen Chen, Daniel H Haft, Dongru Qiu
Bacterial floc formation plays a central role in the activated sludge (AS) process, which has been widely utilized for sewage and wastewater treatment. The formation of AS flocs has long been known to require exopolysaccharide biosynthesis. This study demonstrates an additional requirement for a PEP-CTERM protein in Zoogloea resiniphila, a dominant AS bacterium harboring a large exopolysaccharide biosynthesis gene cluster. Two members of a wide-spread family of high copy number-per-genome PEP-CTERM genes, transcriptionally regulated by the RpoN sigma factor and accessory PrsK-PrsR two-component system, and at least one of these, pepA, must be expressed for Zoogloea to build the floc structures that allow gravitational sludge settling and recycling...
February 23, 2018: Environmental Microbiology
https://www.readbyqxmd.com/read/29472839/ketamine-modulates-zic5-expression-via-the-notch-signaling-pathway-in-neural-crest-induction
#13
Yu Shi, Jiejing Li, Chunjiang Chen, Yongwu Xia, Yanxi Li, Pan Zhang, Ying Xu, Tingyu Li, Weihui Zhou, Weihong Song
Ketamine is a potent dissociative anesthetic and the most commonly used illicit drug. Many addicts are women at childbearing age. Although ketamine has been extensively studied as a clinical anesthetic, its effects on embryonic development are poorly understood. Here, we applied the Xenopus model to study the effects of ketamine on development. We found that exposure to ketamine from pre-gastrulation (stage 7) to early neural plate (stage 13.5) resulted in disruption of neural crest (NC) derivatives. Ketamine exposure did not affect mesoderm development as indicated by the normal expression of Chordin, Xbra, Wnt8, and Fgf8...
2018: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/29472758/predictors-of-reoperation-and-failure-to-rescue-in-bariatric-surgery
#14
Jeanie L Gribben, Nicole Ilonzo, Sean Neifert, I Michael Leitman
Background and Objectives: Morbidity and mortality have been shown to increase several-fold in patients who have undergone bariatric surgery and returned to the operating room after their initial procedures. Failure-to-rescue (FTR) analyses allow for an understanding of patient management and outcomes that is more distinguished than assessments of adverse occurrences and mortality rates alone. The objective of this study was to assess failure to rescue (FTR) and the characteristics and outcomes of patients undergoing reoperation after laparoscopic gastric bypass (LGBP) and laparoscopic sleeve gastrectomy (LSG)...
January 2018: JSLS: Journal of the Society of Laparoendoscopic Surgeons
https://www.readbyqxmd.com/read/29472715/desumoylation-switches-kaiso-from-activator-to-repressor-upon-hyperosmotic-stress
#15
Svetlana Zhenilo, Igor Deyev, Ekaterina Litvinova, Nadezhda Zhigalova, Daria Kaplun, Alexey Sokolov, Alexander Mazur, Egor Prokhortchouk
Kaiso is a member of the BTB/POZ zinc finger family, which is involved in cancer progression, cell cycle control, apoptosis, and WNT signaling. Depending on promoter context, it may function as either a transcriptional repressor or activator. Previous studies found that Kaiso might be SUMOylated due to heat shock, but the biological significance of Kaiso SUMOylation is unclear. Here, we find that K42 is the only amino acid within Kaiso that is modified with SUMO. Kaiso is monoSUMOylated at lysine 42 in cell lines of kidney origin under normal physiological conditions...
February 22, 2018: Cell Death and Differentiation
https://www.readbyqxmd.com/read/29472582/p2x7-receptor-regulates-osteoclast-function-and-bone-loss-in-a-mouse-model-of-osteoporosis
#16
Ning Wang, Ankita Agrawal, Niklas Rye Jørgensen, Alison Gartland
Post-menopausal osteoporosis is a condition that affects millions worldwide and places a huge socio-economic burden on society. Previous research has shown an association of loss of function SNPs in the gene for the purinergic receptor P2X7R with low bone mineral density, increased rates of bone loss and vertebral fractures in post-menopausal women. In this study we use a mouse model of oestrogen deficiency-induced bone loss and the BALB/cJ P2X7R-/- to show that absence of the P2X7R resulted in increased bone loss...
February 22, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29472524/pu-1-microrna-142-3p-targets-atg5-atg16l1-to-inactivate-autophagy-and-sensitize-hepatocellular-carcinoma-cells-to-sorafenib
#17
Kai Zhang, Jing Chen, Hao Zhou, Ying Chen, Yingru Zhi, Bei Zhang, Longbang Chen, Xiaoyuan Chu, Rui Wang, Chunni Zhang
Sorafenib is currently the only systemic agent approved for treatment of advanced hepatocellular carcinoma (HCC). However, intrinsic and acquired resistance to sorafenib remains a great challenge with respect to improving the prognoses of patients with HCC. The cyto-protective functions of autophagy have been suggested as a potential mechanism by which chemoresistance or targeted drug resistance occurs in tumour cells. In the present study, miR-142-3p was identified as a novel autophagy-regulating microRNA (miRNA) that plays a vital role in sorafenib resistance in HCC cells...
February 22, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29472291/outcomes-after-surgical-coronary-artery-revascularisation-in-children-with-congenital-heart-disease
#18
Kalpana Thammineni, Jeffrey M Vinocur, Brian Harvey, Jeremiah S Menk, Michael Scott Kelleman, Anna-Maria Korakiti, Amanda S Thomas, James H Moller, James D St Louis, Lazaros K Kochilas
OBJECTIVE: Surgical coronary revascularisation in children with congenital heart disease (CHD) is a rare event for which limited information is available. In this study, we review the indications and outcomes of surgical coronary revascularisation from the Pediatric Cardiac Care Consortium, a large US-based multicentre registry of interventions for CHD. METHODS: This is a retrospective cohort study of children (<18 years old) with CHD who underwent surgical coronary revascularisation between 1982 and 2011...
February 22, 2018: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/29472246/counteracting-the-effects-of-tnf-receptor-1-has-therapeutic-potential-in-alzheimer-s-disease
#19
Sophie Steeland, Nina Gorlé, Charysse Vandendriessche, Sriram Balusu, Marjana Brkic, Caroline Van Cauwenberghe, Griet Van Imschoot, Elien Van Wonterghem, Riet De Rycke, Anneke Kremer, Saskia Lippens, Edward Stopa, Conrad E Johanson, Claude Libert, Roosmarijn E Vandenbroucke
Alzheimer's disease (AD) is the most common form of dementia, and neuroinflammation is an important hallmark of the pathogenesis. Tumor necrosis factor (TNF) might be detrimental in AD, though the results coming from clinical trials on anti-TNF inhibitors are inconclusive. TNFR1, one of the TNF signaling receptors, contributes to the pathogenesis of AD by mediating neuronal cell death. The blood-cerebrospinal fluid (CSF) barrier consists of a monolayer of choroid plexus epithelial (CPE) cells, and AD is associated with changes in CPE cell morphology...
February 22, 2018: EMBO Molecular Medicine
https://www.readbyqxmd.com/read/29472234/hypoxia-triggers-senp1-sentrin-specific-protease-1-modulation-of-klf15-kruppel-like-factor-15-and-transcriptional-regulation-of-arg2-arginase-2-in-pulmonary-endothelium
#20
Deepesh Pandey, Yohei Nomura, Max C Rossberg, Daijiro Hori, Anil Bhatta, Gizem Keceli, Thorsten Leucker, Lakshmi Santhanam, Larissa A Shimoda, Dan Berkowitz, Lewis Romer
OBJECTIVE: KLF15 (Kruppel-like factor 15) has recently been shown to suppress activation of proinflammatory processes that contribute to atherogenesis in vascular smooth muscle, however, the role of KLF15 in vascular endothelial function is unknown. Arginase mediates inflammatory vasculopathy and vascular injury in pulmonary hypertension. Here, we tested the hypothesis that KLF15 is a critical regulator of hypoxia-induced Arg2 (arginase 2) transcription in human pulmonary microvascular endothelial cells (HPMEC)...
February 22, 2018: Arteriosclerosis, Thrombosis, and Vascular Biology
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