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https://www.readbyqxmd.com/read/28439835/the-uea-small-rna-workbench-a-suite-of-computational-tools-for-small-rna-analysis
#1
Irina Mohorianu, Matthew Benedict Stocks, Christopher Steven Applegate, Leighton Folkes, Vincent Moulton
RNA silencing (RNA interference, RNAi) is a complex, highly conserved mechanism mediated by short, typically 20-24 nt in length, noncoding RNAs known as small RNAs (sRNAs). They act as guides for the sequence-specific transcriptional and posttranscriptional regulation of target mRNAs and play a key role in the fine-tuning of biological processes such as growth, response to stresses, or defense mechanism.High-throughput sequencing (HTS) technologies are employed to capture the expression levels of sRNA populations...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28438284/intradiscal-o2o3-rationale-injection-technique-short-and-long-term-outcomes-for-the-treatment-of-low-back-pain-due-to-disc-herniation
#2
REVIEW
Francesco Giurazza, Gianluigi Guarnieri, Kieran J Murphy, Mario Muto
The management of low back pain should always start with a conservative approach; however, when it fails, intervention is required and at that moment the most appropriate choice remains unclear. Before invasive surgery, minimally invasive techniques can be adopted. In European trials and in a trans-Canadian clinical trial 03 ozone has been used successfully. In total over 50,000 patients have been treated safely. Ozone is a gas normally present in the atmosphere with potent oxidizing power; it has been used for percutaneous intradiscal injection combined with oxygen (O2O3) at very low concentrations for 15 years in Europe...
May 2017: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/28435912/one-and-two-level-posterior-lumbar-interbody-fusion-plif-using-an-expandable-stand-alone-interbody-fusion-device-a-varilift-%C3%A2-case-series
#3
Rebecca Barrett-Tuck, Diana Del Monaco, Jon E Block
BACKGROUND: Surgical interventions such as posterior lumbar interbody fusion (PLIF) with and without posterior instrumentation are often employed in patients with degenerative spinal conditions that fail to respond to conservative medical management. The VariLift(®) Interbody Fusion System was developed as a stand-alone solution to provide the benefits of an intervertebral fusion device without the requirement of supplemental pedicle screw fixation. METHODS: In this retrospective case series, 25 patients underwent PLIF with a stand-alone VariLift(®) expandable interbody fusion device without adjunctive pedicle screw fixation...
March 2017: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/28427472/optimising-conservative-management-of-chronic-low-back-pain-study-protocol-for-a-randomised-controlled-trial
#4
Katherine J Simson, Clint T Miller, Jon Ford, Andrew Hahne, Luana Main, Timo Rantalainen, Wei-Peng Teo, Megan Teychenne, David Connell, Guy Trudel, Guoyan Zheng, Gary Thickbroom, Daniel L Belavy
BACKGROUND: Lower back pain is a global health issue affecting approximately 80% of people at some stage in their life. The current literature suggests that any exercise is beneficial for reducing back pain. However, as pain is a subjective evaluation and physical deficits are evident in low back pain, using it as the sole outcome measure to evaluate superiority of an exercise protocol for low back pain treatment is insufficient. The overarching goal of the current clinical trial is to implement two common, conservative intervention approaches and examine their impact on deficits in chronic low back pain...
April 20, 2017: Trials
https://www.readbyqxmd.com/read/28424460/generation-of-heritable-germline-mutations-in-the-jewel-wasp-nasonia-vitripennis-using-crispr-cas9
#5
Ming Li, Lauren Yun Cook Au, Deema Douglah, Abigail Chong, Bradley J White, Patrick M Ferree, Omar S Akbari
The revolutionary RNA-guided endonuclease CRISPR/Cas9 system has proven to be a powerful tool for gene editing in a plethora of organisms. Here, utilizing this system we developed an efficient protocol for the generation of heritable germline mutations in the parasitoid jewel wasp, Nasonia vitripennis, a rising insect model organism for the study of evolution, development of axis pattern formation, venom production, haplo-diploid sex determination, and host-symbiont interactions. To establish CRISPR-directed gene editing in N...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28418397/bap180-baf180-is-required-to-maintain-homeostasis-of-intestinal-innate-immune-response-in-drosophila-and-mice
#6
Xiaomeng He, Junjing Yu, Min Wang, Yang Cheng, Yanan Han, Shuo Yang, Guizhi Shi, Lei Sun, Ying Fang, Si-Tang Gong, Zhong Wang, Yang-Xin Fu, Lei Pan, Hong Tang
Immune homeostasis is a prerequisite to protective immunity against gastrointestinal infections. In Drosophila, immune deficiency (IMD) signalling (tumour necrosis factor receptor/interleukin-1 receptor, TNFR/IL-1R in mammals) is indispensable for intestinal immunity against invading bacteria. However, how this local antimicrobial immune response contributes to inflammatory regulation remains poorly defined. Here, we show that flies lacking intestinal Bap180 (a subunit of the chromatin-remodelling switch/sucrose non-fermentable (SWI/SNF) complex) are susceptible to infection as a result of hyper-inflammation rather than bacterial overload...
April 18, 2017: Nature Microbiology
https://www.readbyqxmd.com/read/28415471/synthesis-and-characterization-of-ti-27-5nb-alloy-made-by-clad%C3%A2-additive-manufacturing-process-for-biomedical-applications
#7
M Fischer, P Laheurte, P Acquier, D Joguet, L Peltier, T Petithory, K Anselme, P Mille
Biocompatible beta-titanium alloys such as Ti-27.5(at.%)Nb are good candidates for implantology and arthroplasty applications as their particular mechanical properties, including low Young's modulus, could significantly reduce the stress-shielding phenomenon usually occurring after surgery. The CLAD® process is a powder blown additive manufacturing process that allows the manufacture of patient specific (i.e. custom) implants. Thus, the use of Ti-27.5(at.%)Nb alloy formed by CLAD® process for biomedical applications as a mean to increase cytocompatibility and mechanical biocompatibility was investigated in this study...
June 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28388969/is-ct-indicated-in-diagnosing-sacroiliac-joint-degeneration
#8
J Bäcklund, E Clewett Dahl, M Skorpil
AIM: To assess the value of computed tomography (CT) in the diagnosis of symptomatic sacroiliac (SI) joint degeneration. MATERIALS AND METHODS: CT images from 123 patients with clinically diagnosed SI joint pain were compared to age- and gender-matched controls without chronic back pain or previous back surgery. Degeneration was graded assessing joint space narrowing, osteophytes, subchondral sclerosis, cysts, and vacuum phenomena. RESULTS: The mean total score for the patients was 9...
April 4, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28386893/cheap-non-toxic-non-corrosive-method-of-glass-cleaning-evaluated-by-contact-angle-afm-and-sem-edx-measurements
#9
Tania Dey, Daragh Naughton
Glass surface cleaning is the very first step in advanced coating deposition and it also finds use in conserving museum objects. However, most of the wet chemical methods of glass cleaning use toxic and corrosive chemicals like concentrated sulfuric acid (H2SO4), piranha (a mixture of concentrated sulfuric acid and 30% hydrogen peroxide), and hydrogen fluoride (HF). On the other hand, most of the dry cleaning techniques like UV-ozone, plasma, and laser treatment require costly instruments. In this report, five eco-friendly wet chemical methods of glass cleaning were evaluated in terms of contact angle (measured by optical tensiometer), nano-scale surface roughness (measured by atomic force microscopy or AFM), and elemental composition (measured by energy dispersive x-ray spectroscopy or SEM-EDX)...
April 6, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28384950/familial-schwannomatosis-a-diagnostic-challenge
#10
Sameer Ajit Mansukhani, Rajendra Prasad R Butala, Sunil H Shetty, Ravindra G Khedekar
Schwannomatosis is a disease characterized by the development of multiple benign tumours originating from Schwann cells. Schwannomatosis is a member of the family of diseases known as Neurofibromatosis (NF). Patients with Schwannomatosis develop multiple Schwannomas on cranial, spinal and peripheral nerves. We report a rare case of a 60-year-old female who presented with a painful swelling on the ulnar aspect of her distal forearm. She underwent an excisional biopsy for it; which was suggestive of a Schwannoma...
February 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28383423/treating-osteoporotic-vertebral-compression-fractures-with-intraosseous-vacuum-phenomena-using-high-viscosity-bone-cement-via-bilateral-percutaneous-vertebroplasty
#11
Dan Guo, Jun Cai, Shengfei Zhang, Liang Zhang, Xinmin Feng
Osteoporotic vertebral compression fractures with intraosseous vacuum phenomena could cause persistent back pains in patients, even after receiving conservative treatment. The aim of this study was to evaluate the efficacy of using high-viscosity bone cement via bilateral percutaneous vertebroplasty in treating patients who have osteoporotic vertebral compression fractures with intraosseous vacuum phenomena.Twenty osteoporotic vertebral compression fracture patients with intraosseous vacuum phenomena, who received at least 2 months of conservative treatment, were further treated by injecting high-viscosity bone cement via bilateral percutaneous vertebroplasty due to failure of conservative treatment...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28382391/maverick-total-disc-arthroplasty-performs-well-at-10%C3%A2-years-follow-up-a-prospective-study-with-hrql-and-balance-analysis
#12
N Plais, X Thevenot, A Cogniet, J Rigal, J C Le Huec
PURPOSE: The treatment of low back pain associated to Disc Degenerative Disease (DDD) is still controversial. Segmental Fusion is the gold standard, but many studies have reported that motion-preserving devices bring substantial clinical benefits to patients. Concerns on the associated complications and on the long-term clinical effectiveness of such instrumentations are still present and have led recently to a decrease of the number of Lumbar Total Disk Replacements (TDR). The objective of this prospective study is to present the clinical and radiographic outcomes of the Maverick Lumbar disk prostheses (Medtronic, TE, Memphis, USA) at long-term follow-up...
April 5, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28380286/folding-of-proteins-with-a-flavodoxin-like-architecture
#13
REVIEW
Joseline A Houwman, Carlo P M van Mierlo
The flavodoxin-like fold is a protein-architecture that can be traced back to the universal ancestor of the three kingdoms of life. Many proteins share this α-β parallel topology and hence it is highly relevant to illuminate how they fold. Here, we review experiments and simulations concerning the folding of flavodoxins and CheY-like proteins, which share the flavodoxin-like fold. These polypeptides tend to temporarily misfold during unassisted folding to their functionally active forms. This susceptibility to frustration is caused by the more rapid formation of an α-helix compared to a β-sheet, particularly when a parallel β-sheet is involved...
April 5, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28378460/chlorosis-caused-by-two-recessively-interacting-genes-reveals-a-role-of-rna-helicase-in-hybrid-breakdown-in-arabidopsis-thaliana
#14
Björn Plötner, Markus Nurmi, Axel Fischer, Mutsumi Watanabe, Korbinian Schneeberger, Svante Holm, Neha Vaid, Mark Aurel Schöttler, Dirk Walther, Rainer Hoefgen, Detlef Weigel, Roosa A E Laitinen
Hybrids often differ in fitness from their parents. They may be superior, translating into hybrid vigour or heterosis, but they may also be markedly inferior, because of hybrid weakness or incompatibility. The underlying genetic causes for the latter can often be traced back to genes that evolve rapidly because of sexual or host-pathogen conflicts. Hybrid weakness may manifest itself only in later generations, in a phenomenon called hybrid breakdown. We have characterized a case of hybrid breakdown among two Arabidopsis thaliana accessions, Shahdara (Sha, Tajikistan) and Lövvik-5 (Lov-5, Northern Sweden)...
April 4, 2017: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/28378136/parenting-programs-for-the-prevention-of-child-physical-abuse-recurrence-a-systematic-review-and-meta-analysis
#15
REVIEW
Kristina Vlahovicova, G J Melendez-Torres, Patty Leijten, Wendy Knerr, Frances Gardner
Child physical abuse is an issue of global concern. Conservative estimates set global prevalence of this type of maltreatment at 25%, its consequences and cost to society escalating with increasing frequency and severity of episodes. Syntheses of the evidence on parenting programs for reducing rates of physical abuse recidivism have, to date, not been able to establish effectiveness. Paucity of data and inconsistent inclusion criteria in past reviews made meta-analysis often impossible or uninformative. The current systematic review updates prior reviews and overcomes some of the methodological issues they encountered by pooling trial-level data from a well-defined scope of trials of parenting interventions aimed at preventing the re-abuse of children by parents with substantiated or suspected physical abuse history...
April 4, 2017: Clinical Child and Family Psychology Review
https://www.readbyqxmd.com/read/28377250/acute-spinal-epidural-hematoma-after-acupuncture-personal-case-and-literature-review
#16
Maurizio Domenicucci, Daniele Marruzzo, Alessandro Pesce, Antonino Raco, Paolo Missori
BACKGROUND: Spinal acupuncture is a relatively safe and common analgesic treatment, but it may be complicated by serious adverse effects such as direct spinal cord and nerve root injury, subdural empyema and epidural abscesses. In this report we are comparing our case of an extremely uncommon spinal epidural hematoma which appeared following treatment by acupuncture with other similar documented cases. CASE DESCRIPTION: This is the case of a 64-year-old man who presented a left hemiparesis associated with paraesthesias...
April 1, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28375914/low-back-pain
#17
Jinny O Tavee, Kerry H Levin
PURPOSE OF REVIEW: This article provides an overview of evaluating and treating low back pain in the outpatient setting. RECENT FINDINGS: As most cases of acute low back pain have a favorable prognosis, current guidelines on imaging studies recommend conservative treatment for 6 weeks prior to obtaining an MRI if no red flags are present. Of these red flags, a prior history of cancer is the strongest risk factor for a malignant etiology and requires urgent evaluation with MRI...
April 2017: Continuum: Lifelong Learning in Neurology
https://www.readbyqxmd.com/read/28369621/critical-23s-rrna-interactions-for-macrolide-dependent-ribosome-stalling-on-the-ermcl-nascent-peptide-chain
#18
Miriam Koch, Jessica Willi, Ugo Pradère, Jonathan Hall, Norbert Polacek
The nascent peptide exit tunnel has recently been identified as a functional region of ribosomes contributing to translation regulation and co-translational protein folding. Inducible expression of the erm resistance genes depends on ribosome stalling at specific codons of an upstream open reading frame in the presence of an exit tunnel-bound macrolide antibiotic. The molecular basis for this translation arrest is still not fully understood. Here, we used a nucleotide analog interference approach to unravel important functional groups on 23S rRNA residues in the ribosomal exit tunnel for ribosome stalling on the ErmC leader peptide...
March 21, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28358055/fus-affects-circular-rna-expression-in-murine-embryonic-stem-cell-derived-motor-neurons
#19
Lorenzo Errichelli, Stefano Dini Modigliani, Pietro Laneve, Alessio Colantoni, Ivano Legnini, Davide Capauto, Alessandro Rosa, Riccardo De Santis, Rebecca Scarfò, Giovanna Peruzzi, Lei Lu, Elisa Caffarelli, Neil A Shneider, Mariangela Morlando, Irene Bozzoni
The RNA-binding protein FUS participates in several RNA biosynthetic processes and has been linked to the pathogenesis of amyotrophic lateral sclerosis (ALS) and frontotemporal dementia. Here we report that FUS controls back-splicing reactions leading to circular RNA (circRNA) production. We identified circRNAs expressed in in vitro-derived mouse motor neurons (MNs) and determined that the production of a considerable number of these circRNAs is regulated by FUS. Using RNAi and overexpression of wild-type and ALS-associated FUS mutants, we directly correlate the modulation of circRNA biogenesis with alteration of FUS nuclear levels and with putative toxic gain of function activities...
March 30, 2017: Nature Communications
https://www.readbyqxmd.com/read/28357587/three-cases-of-l4-5-baastrup-s-disease-due-to-l5-s1-spondylolytic-spondylolisthesis
#20
Jin-Suk Seo, Sang-Ho Lee, Han Joong Keum, Sang Soo Eun
PURPOSE: Baastrup's disease is characterized by degeneration of spinous processes and interspinous soft tissue, which may cause spinal stenosis. Purpose of this article is to report the possible new cause of Baastrup's disease and result of surgical treatments. METHODS: Authors treated three cases of Baastrup's disease on L4-L5 with L5-S1 spondylolytic listhesis. Conservative treatment did not relieve the pain; therefore, surgical treatments were planned according to each specific disease condition...
March 29, 2017: European Spine Journal
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