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https://www.readbyqxmd.com/read/28108217/cdk3-is-a-major-target-of-mir-150-in-cell-proliferation-and-anti-cancer-effect
#1
Liang Wang, Yongyong Xi, Chengcao Sun, Feng Zhang, Heng Jiang, Qiqiang He, Dejia Li
MiR-150, a member of small non-coding RNAs, has been proven to dysregulate in different types of tumor and bear on carcinogenesis and cancer prognosis by regulating the expression of a series of gene including utrophin. Given that utrophin can compensate for dystrophin's absence and be regarded as a promising therapeutic target for Duchenne Muscular Dystrophy (DMD), we further detected the deep role of miR-150 in dystrophic muscle. Using a range of bioinformatic, molecular and cell biology techniques, we declared that miR-150 directly targets cyclin-dependent kinase 3 (CDK3) and leads to the regulation of CDK3 gene expression in both muscle-derived and non-muscle cells...
January 17, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28108125/interventions-to-support-risk-and-benefit-understanding-of-disease-modifying-drugs-in-multiple-sclerosis-patients-a-systematic-review
#2
REVIEW
Gurpreet K Reen, Eli Silber, Dawn W Langdon
OBJECTIVE: The present review evaluates interventions that have been designed to improve understanding of the complex risk-benefit profiles of disease-modifying drugs (DMDs) in patients with Multiple Sclerosis (MS). METHODS: A systematic search conducted using PubMed, Embase, Google Scholar and PsycINFO identified 15 studies. Interventions which provided treatment information were present across a range of study designs. A narrative synthesis was conducted due to heterogeneity of research findings...
December 28, 2016: Patient Education and Counseling
https://www.readbyqxmd.com/read/28104258/the-impact-of-betaplus-program-on-patient-treatment-satisfaction-with-interferon-beta-1b-in-multiple-sclerosis-multicentric-cross-sectional-survey-in-the-western-balkan-countries
#3
Jelena Drulovic, Mirjana Cukic, Sanja Grgic, Evica Dincic, Ranko Raicevic, Congor Nadj, Gordana Toncev, Slobodan Vojinovic, Sarlota Mesaros, Darija Kisic Tepavcevic, Irena Dujmovic, Daliborka Tadic, Svetlana Miletic-Drakulic, Jelena Dackovic, Smiljana Kostic, Jevto Erakovic, Lorand Sakalas, Dejan Savic, Vesna Suknjaja, Vanja Martinovic, Gorica Maric, Tatjana Pekmezovic
BACKGROUND: Long-term treatment adherence to disease-modifying drugs (DMDs) may have significant impact on clinical outcomes in multiple sclerosis (MS). It has been recently emphasized that low treatment satisfaction (TS) may be an important factor for achieving high rates of treatment adherence. Interferon (IFN) beta-1b was the first DMD approved for the treatment of MS. The aims of our study were to assess TS in subjects with relapsing-remitting (RR) MS treated with IFN beta-1b in Serbia, Montenegro and the Republika Srpska, Bosnia and Herzegovina (B&H), and additionally, to evaluate the impact of patient support program on TS and adherence...
January 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28103859/treatment-with-soluble-activin-type-iib-receptor-improves-bone-mass-and-strength-in-a-mouse-model-of-duchenne-muscular-dystrophy
#4
Tero Puolakkainen, Hongqian Ma, Heikki Kainulainen, Arja Pasternack, Timo Rantalainen, Olli Ritvos, Kristiina Heikinheimo, Juha J Hulmi, Riku Kiviranta
BACKGROUND: Inhibition of activin/myostatin pathway has emerged as a novel approach to increase muscle mass and bone strength. Duchenne muscular dystrophy (DMD) is a neuromuscular disorder that leads to progressive muscle degeneration and also high incidence of fractures. The aim of our study was to test whether inhibition of activin receptor IIB ligands with or without exercise could improve bone strength in the mdx mouse model for DMD. METHODS: Thirty-two mdx mice were divided to running and non-running groups and to receive either PBS control or soluble activin type IIB-receptor (ActRIIB-Fc) once weekly for 7 weeks...
January 19, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28096053/a-potential-new-therapeutic-approach-to-dmd-pkc-theta-inhibition
#5
Maria Julia Marques
No abstract text is available yet for this article.
January 13, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28089792/pharmacological-inhibition-of-pkc%C3%AE-counteracts-muscle-disease-in-a-mouse-model-of-duchenne-muscular-dystrophy
#6
V Marrocco, P Fiore, A Benedetti, S Pisu, E Rizzuto, A Musarò, L Madaro, B Lozanoska-Ochser, M Bouché
: Inflammation plays a considerable role in the progression of Duchenne Muscular Dystrophy (DMD), a severe muscle disease caused by a mutation in the dystrophin gene. We previously showed that genetic ablation of Protein Kinase C θ (PKCθ) in mdx, the mouse model of DMD, improves muscle healing and regeneration, preventing massive inflammation. To establish whether pharmacological targeting of PKCθ in DMD can be proposed as a therapeutic option, in this study we treated young mdx mice with the PKCθ inhibitor Compound 20 (C20)...
January 7, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28088410/short-communication-sodium-salicylate-negatively-affects-rumen-fermentation-in-vitro-and-in-situ
#7
A J Carpenter, C F Vargas Rodriguez, J A B Jantz, B J Bradford
Administration of sodium salicylate (SS) to cows in early lactation has a positive effect on whole-lactation milk production but a negative effect on metabolism in some cases. The objective of this trial was to determine whether SS directly affects rumen fermentation. Experiment 1 was designed to investigate the effects of direct inclusion of SS in a 24-h batch culture, and experiment 2 was designed to test the fermentative ability of rumen fluid from heifers who had received SS. In experiment 1, we combined strained and pooled rumen fluid from 3 heifers in a 2:1 ratio with McDougall's buffer, and added 150 mL of the inoculum to each flask (n = 5/treatment) with 2...
January 11, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28087735/relationships-linking-emotional-motor-cognitive-and-gabaergic-dysfunctions-in-dystrophin-deficient-mdx-mice
#8
Cyrille Vaillend, Rémi Chaussenot
Alterations in the Duchenne muscular dystrophy (DMD) gene have been associated with enhanced stress reactivity in vertebrate species, suggesting a role for brain dystrophin in fear-related behavioral and cognitive processes. Because the loss of dystrophin (Dp427) reduces clustering of central GABAA receptors, it is suspected that local inhibitory tuning and modulation of neuronal excitability are perturbed in a distributed brain circuit that normally controls such critical behavioral functions. In this study we undertook a large-scale behavioral study to evaluate fear-related behavioral disturbances in dystrophin-deficient mdx mice...
January 13, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28081371/gwas-identifies-new-loci-for-painful-temporomandibular-disorder
#9
A E Sanders, D Jain, T Sofer, K F Kerr, C C Laurie, J R Shaffer, M L Marazita, L M Kaste, G D Slade, R B Fillingim, R Ohrbach, W Maixner, T Kocher, O Bernhardt, A Teumer, C Schwahn, K Sipilä, R Lähdesmäki, M Männikkö, P Pesonen, M Järvelin, C M Rizzatti-Barbosa, C B Meloto, M Ribeiro-Dasilva, L Diatchenko, P Serrano, S B Smith
Temporomandibular disorder (TMD) is a musculoskeletal condition characterized by pain and reduced function in the temporomandibular joint and/or associated masticatory musculature. Prevalence in the United States is 5% and twice as high among women as men. We conducted a discovery genome-wide association study (GWAS) of TMD in 10,153 participants (769 cases, 9,384 controls) of the US Hispanic Community Health Study/Study of Latinos (HCHS/SOL). The most promising single-nucleotide polymorphisms (SNPs) were tested in meta-analysis of 4 independent cohorts...
January 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28079318/duchenne-muscular-dystrophy-and-becker-muscular-dystrophy-confirmed-by-multiplex-ligation-dependent-probe-amplification-genotype-phenotype-correlation-in-a-large-cohort
#10
Seena Vengalil, Veeramani Preethish-Kumar, Kiran Polavarapu, Manjunath Mahadevappa, Deepha Sekar, Meera Purushottam, Priya Treesa Thomas, Saraswathi Nashi, Atchayaram Nalini
BACKGROUND AND PURPOSE: Studies of cases of Duchenne muscular dystrophy (DMD) and Becker muscular dystrophy (BMD) confirmed by multiplex ligation-dependent probe amplification (MLPA) have determined the clinical characteristics, genotype, and relations between the reading frame and phenotype for different countries. This is the first such study from India. METHODS: A retrospective genotype-phenotype analysis of 317 MLPA-confirmed patients with DMD or BMD who visited the neuromuscular clinic of a quaternary referral center in southern India...
January 2017: Journal of Clinical Neurology
https://www.readbyqxmd.com/read/28076894/electrical-impedance-myography-for-assessment-of-duchenne-muscular-dystrophy
#11
Seward B Rutkove, Kush Kapur, Craig Zaidman, Jim S Wu, Amy Pasternak, Lavanya Madabusi, Sung Yim, Adam Pacheck, Heather Szelag, Tim Harrington, Basil T Darras
OBJECTIVE: Sensitive, objective and easily applied methods for evaluating disease progression and response to therapy are needed for clinical trials in Duchenne muscular dystrophy (DMD). In this study, we evaluated whether electrical impedance myography (EIM) could serve this purpose. METHODS: In this non-blinded study, 36 boys with DMD and 29 age-similar healthy boys underwent multifrequency EIM measurements for up to 2 years on 6 muscles unilaterally along with functional assessments...
January 11, 2017: Annals of Neurology
https://www.readbyqxmd.com/read/28074489/a-novel-nf-%C3%AE%C2%BAb-inhibitor-edasalonexent-cat-1004-in-development-as-a-disease-modifying-treatment-for-patients-with-duchenne-muscular-dystrophy-phase-1-safety-pharmacokinetics-and-pharmacodynamics-in-adult-subjects
#12
Joanne M Donovan, Michael Zimmer, Elliot Offman, Toni Grant, Michael Jirousek
In Duchenne muscular dystrophy (DMD), NF-κB is activated in skeletal muscle from infancy regardless of the underlying dystrophin mutation and drives inflammation and muscle degeneration while inhibiting muscle regeneration. Edasalonexent (CAT-1004) is a bifunctional orally administered small molecule that covalently links 2 compounds known to inhibit NF-κB, salicylic acid and docosahexaenoic acid (DHA). Edasalonexent is designed to inhibit activated NF-κB upon intracellular cleavage to these bioactive components...
January 11, 2017: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28074281/one-step-cad-cam-titanium-cranioplasty-after-drilling-template-assisted-resection-of-intraosseous-skull-base-meningioma-technical-note
#13
A Carolus, S Weihe, K Schmieder, C Brenke
INTRODUCTION: Cranial defects following intra-osseous tumor removal may be large and require adequate reconstruction. CAD/CAM implants have been used for years to achieve an optimal cosmetic result. The disadvantage is that such implants require a second surgery. A preoperative virtual planning of resection margins and the simultaneously fabrication of the cranioplasty could be a possibility to subsume the steps tumor resection and cosmetic restoration to a single procedure. METHODS: We present two cases of patients with complex intra-osseous spheno-orbital meningioma...
January 10, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28069416/abnormal-lipid-metabolism-in-skeletal-muscle-tissue-of-patients-with-muscular-dystrophy-in-vitro-high-resolution-nmr-spectroscopy-based-observation-in-early-phase-of-the-disease
#14
Niraj Kumar Srivastava, Ramakant Yadav, Somnath Mukherjee, Lily Pal, Neeraj Sinha
PURPOSE: Qualitative (assignment of lipid components) and quantitative (quantification of lipid components) analysis of lipid components were performed in skeletal muscle tissue of patients with muscular dystrophy in early phase of the disease as compared to control/normal subjects. METHODS: Proton nuclear magnetic resonance (NMR) spectroscopy based experiment was performed on the lipid extract of skeletal muscle tissue of patients with muscular dystrophy in early phase of the disease and normal individuals for the analysis of lipid components [triglycerides, phospholipids, total cholesterol and unsaturated fatty acids (arachidonic, linolenic and linoleic acid)]...
January 7, 2017: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/28065609/sexually-dimorphic-differentiation-of-a-c-%C3%A2-elegans-hub-neuron-is-cell-autonomously-controlled-by-a-conserved-transcription-factor
#15
Esther Serrano-Saiz, Meital Oren-Suissa, Emily A Bayer, Oliver Hobert
Functional and anatomical sexual dimorphisms in the brain are either the result of cells that are generated only in one sex or a manifestation of sex-specific differentiation of neurons present in both sexes. The PHC neuron pair of the nematode C. elegans differentiates in a strikingly sex-specific manner. In hermaphrodites the PHC neurons display a canonical pattern of synaptic connectivity similar to that of other sensory neurons, but in males PHC differentiates into a densely connected hub sensory neuron/interneuron, integrating a large number of male-specific synaptic inputs and conveying them to both male-specific and sex-shared circuitry...
January 2, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28063157/a-new-method-of-genotyping-mdx-4cv-mice-by-pcr-rflp-analysis
#16
Elisia D Tichy, Foteini Mourkioti
INTRODUCTION: The mdx(4cv) mouse is a common model to study Duchenne muscular dystrophy (DMD). The most utilized methodology to identify the genotype of these mice is Sanger DNA sequencing. METHODS: Here, we provide a simple, cost-effective alternative approach to identify the wildtype, heterozygous, or homozygous/hemizygous genotypes of these mice, using commonly available laboratory equipment and reagents. RESULTS: Our technique exploits a restriction fragment length polymorphism (RFLP) that is generated by the point mutation found in exon 53 of mdx(4cv) mice...
January 7, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28062421/intraoperative-oct-assisted-descemetopexy-with-stromal-vent-incisions-and-intracameral-gas-injection-for-case-of-non-resolving-descemet-s-membrane-detachment
#17
Archita Singh, Murugesan Vanathi, Suman Sahu, Saranya Devi
Descemet's membrane detachment (DMD) though uncommon in the present day scenario of advancing surgical techniques is a significant complication that requires prompt diagnosis and management. A middle-aged man presented to our hospital with poor gain of vision following cataract surgery. There was significant corneal oedema with DMD which was confirmed on anterior segment optical coherence tomography. We describe a modified continuous intraoperative-guided approach for the management of DMD in cases with oedematous hazy corneas...
January 6, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28057817/contractile-efficiency-of-dystrophic-mdx-mouse-muscle-in-vivo-and-ex-vivo-assessment-of-adaptation-to-exercise-of-functional-end-points
#18
Roberta Francesca Capogrosso, Paola Mantuano, Anna Cozzoli, Francesca Sanarica, Ada Maria Massari, Elena Conte, Adriano Fonzino, Arcangela Giustino, Jean-Francois Rolland, Angelo Quaranta, Michela De Bellis, Giulia Maria Camerino, Robert W Grange, Annamaria De Luca
Progressive weakness is a typical feature of Duchenne muscular dystrophy (DMD) patients and is exacerbated in the benign mdx mouse model by in vivo treadmill exercise. We hypothesized a different threshold for functional adaptation of mdx muscles in response to the duration of the exercise protocol. In vivo weakness was confirmed by grip strength after 4, 8 and 12 weeks of exercise in mdx mice. Torque measurements revealed that exercise-related weakness in mdx mice correlated with the duration of the protocol, while wild-type (wt) mice were stronger...
January 5, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28053227/a-hypothalamic-circuit-that-controls-body-temperature
#19
Zheng-Dong Zhao, Wen Z Yang, Cuicui Gao, Xin Fu, Wen Zhang, Qian Zhou, Wanpeng Chen, Xinyan Ni, Jun-Kai Lin, Juan Yang, Xiao-Hong Xu, Wei L Shen
The homeostatic control of body temperature is essential for survival in mammals and is known to be regulated in part by temperature-sensitive neurons in the hypothalamus. However, the specific neural pathways and corresponding neural populations have not been fully elucidated. To identify these pathways, we used cFos staining to identify neurons that are activated by a thermal challenge and found induced expression in subsets of neurons within the ventral part of the lateral preoptic nucleus (vLPO) and the dorsal part of the dorsomedial hypothalamus (DMD)...
January 4, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28049684/the-benefit-of-a-switch-answer-changing-on-multiple-choice-exams-by-first-year-dental-students
#20
Sarah E Pagni, Anna G Bak, Steven E Eisen, Jennipher L Murphy, Matthew D Finkelman, Gerard Kugel
The aim of this study was to determine if dental students would benefit from changing their initial responses to what they have deemed to be more suitable answers during high-stakes multiple-choice examinations. Students are often advised to stay with their first answers despite evidence from other fields suggesting this is not the best course for obtaining optimal final exam scores. Data were collected for 160 first-year DMD students in fall 2013 for three operative dentistry and four biochemistry exams at Tufts University School of Dental Medicine...
January 2017: Journal of Dental Education
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