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https://www.readbyqxmd.com/read/28805067/the-lncrna-nespas-is-associated-with-osteoarthritis-progression-and-serves-as-a-potential-new-prognostic-biomarker
#1
Sujung Park, Myeungsoo Lee, Churl-Hong Chun, Eun-Jung Jin
INTRODUCTION: In this article, we explored the hypothesis that the long noncoding RNA, Nespas, promotes osteoarthritis (OA) by supporting abnormal lipid metabolism in human chondrocytes. MATERIALS AND METHODS: Human articular chondrocytes from osteoarthritis patients were used and expression level of Nespas were determined by real-time polymerase chain reaction. Introduction of Nespas and Nespas-associated genes/miRNAs were performed by using a lentiviral system...
August 1, 2017: Cartilage
https://www.readbyqxmd.com/read/28797602/venlafaxine-exerts-antidepressant-effects-possibly-by-activating-mapk-erk1-2-and-p13k-akt-pathways-in-the-hippocampus
#2
Peng Shen, Qingchuan Hu, Meixue Dong, Shunjie Bai, Zihong Liang, Zhi Chen, Pengfei Li, Zicheng Hu, Xiaogang Zhong, Dan Zhu, Haiyang Wang, Peng Xie
Serotonin noradrenaline reuptake inhibitors are effective antidepressant drugs, which include venlafaxine and duloxetine. Venlafaxine is commonly used in a clinical context, but the molecular biological mechanisms behind its effects have not been fully determined. Here, we explored the potential biological effects of venlafaxine on mouse hippocampus. Mice were randomly divided into two groups and injected daily with 0.9% NaCl solution or venlafaxine. A GC-MS-based metabolomic approach was used to identify possible metabolic differences between these groups, and the key proteins involved in the relevant pathways were validated by western blotting...
August 7, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28795083/mechanical-instability-and-titanium-particles-induce-similar-transcriptomic-changes-in-a-rat-model-for-periprosthetic-osteolysis-and-aseptic-loosening
#3
Mehdi Amirhosseini, Göran Andersson, Per Aspenberg, Anna Fahlgren
Wear debris particles released from prosthetic bearing surfaces and mechanical instability of implants are two main causes of periprosthetic osteolysis. While particle-induced loosening has been studied extensively, mechanisms through which mechanical factors lead to implant loosening have been less investigated. This study compares the transcriptional profiles associated with osteolysis in a rat model for aseptic loosening, induced by either mechanical instability or titanium particles. Rats were exposed to mechanical instability or titanium particles...
December 2017: Bone Reports
https://www.readbyqxmd.com/read/28781988/multiple-response-regression-analysis-links-magnetic-resonance-imaging-features-to-de-regulated-protein-expression-and-pathway-activity-in-lower-grade-glioma
#4
Michael Lehrer, Anindya Bhadra, Visweswaran Ravikumar, James Y Chen, Max Wintermark, Scott N Hwang, Chad A Holder, Erich P Huang, Brenda Fevrier-Sullivan, John B Freymann, Arvind Rao
BACKGROUND AND PURPOSE: Lower grade gliomas (LGGs), lesions of WHO grades II and III, comprise 10-15% of primary brain tumors. In this first-of-a-kind study, we aim to carry out a radioproteomic characterization of LGGs using proteomics data from the TCGA and imaging data from the TCIA cohorts, to obtain an association between tumor MRI characteristics and protein measurements. The availability of linked imaging and molecular data permits the assessment of relationships between tumor genomic/proteomic measurements with phenotypic features...
May 2017: Oncoscience
https://www.readbyqxmd.com/read/28776448/an-exploratory-genome-wide-analysis-of-genetic-risk-for-alcoholic-hepatitis
#5
James J Beaudoin, Nanye Long, Suthat Liangpunsakul, Puneet Puri, Patrick S Kamath, Vijay Shah, Arun J Sanyal, David W Crabb, Naga P Chalasani, Thomas J Urban
OBJECTIVES: To elucidate the genetic variability between heavy drinkers with and without alcoholic hepatitis (AH). MATERIALS AND METHODS: An exploratory genome-wide association study (GWAS; NCT02172898) was conducted comparing 90 AH cases with 93 heavy drinking matched controls without liver disease in order to identify variants or genes associated with risk for AH. Individuals were genotyped using the multi-ethnic genotyping array, after which the data underwent conventional quality control...
August 4, 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/28771594/patients-experiencing-statin-induced-myalgia-exhibit-a-unique-program-of-skeletal-muscle-gene-expression-following-statin-re-challenge
#6
Marshall B Elam, Gipsy Majumdar, Khyobeni Mozhui, Ivan C Gerling, Santiago R Vera, Hannah Fish-Trotter, Robert W Williams, Richard D Childress, Rajendra Raghow
Statins, the 3-hydroxy-3-methyl-glutaryl (HMG)-CoA reductase inhibitors, are widely prescribed for treatment of hypercholesterolemia. Although statins are generally well tolerated, up to ten percent of statin-treated patients experience myalgia symptoms, defined as muscle pain without elevated creatinine phosphokinase (CPK) levels. Myalgia is the most frequent reason for discontinuation of statin therapy. The mechanisms underlying statin myalgia are not clearly understood. To elucidate changes in gene expression associated with statin myalgia, we compared profiles of gene expression in skeletal muscle biopsies from patients with statin myalgia who were undergoing statin re-challenge (cases) versus those of statin-tolerant controls...
2017: PloS One
https://www.readbyqxmd.com/read/28768233/identification-of-transcriptome-signature-for-myocardial-reductive-stress
#7
Justin M Quiles, Madhusudhanan Narasimhan, Timothy Mosbruger, Gobinath Shanmugam, David Crossman, Namakkal S Rajasekaran
The nuclear factor erythroid 2 like 2 (Nfe2l2/Nrf2) is a master regulator of antioxidant gene transcription. We recently identified that constitutive activation of Nrf2 (CaNrf2) caused reductive stress (RS) in the myocardium. Here we investigate how chronic Nrf2 activation alters myocardial mRNA transcriptome in the hearts of CaNrf2 transgenic (TG-low and TG-high) mice using an unbiased integrated systems approach and next generation RNA sequencing followed by qRT-PCR methods. A total of 246 and 1031 differentially expressed genes (DEGs) were identified in the heart of TGL and TGH in relation to NTG littermates at ~ 6 months of age...
July 24, 2017: Redox Biology
https://www.readbyqxmd.com/read/28756295/actin-alpha-cardiac-muscle-1-gene-expression-is-upregulated-in-the-skeletal-muscle-of-men-undergoing-androgen-deprivation-therapy-for-prostate-cancer
#8
Ada S Cheung, Casey de Rooy, Itamar Levinger, Kesha Rana, Michele V Clarke, Jackie M How, Andrew Garnham, Catriona McLean, Jeffrey D Zajac, Rachel A Davey, Mathis Grossmann
Androgen deprivation therapy (ADT) decreases muscle mass and function but no human studies have investigated the underlying genetic or cellular effects. We tested the hypothesis that ADT will lead to changes in skeletal muscle gene expression, which may explain the adverse muscle phenotype seen clinically. We conducted a prospective cohort study of 9 men with localised prostate cancer who underwent a vastus lateralis biopsy before and after 4 weeks of ADT. Next-generation RNA sequencing was performed and genes differentially expressed following ADT underwent gene ontology mining using Ingenuity Pathway Analysis...
July 27, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28755974/a-pilot-study-exploring-the-effects-of-ubiquinol-on-brain-genomics-after-traumatic-brain-injury
#9
Janet D Pierce, Qiuhua Shen, Jill Peltzer, Amanda Thimmesch, John B Hiebert
BACKGROUND: Traumatic brain injury is a major cause of morbidity and mortality that affects military service members and veterans. PURPOSE: Explore the effects of ubiquinol before traumatic brain injury on cerebral gene expression to elucidate molecular mechanisms of ubiquinol neuroprotection. METHOD: In this experimental study, Fisher rats in the untreated (n = 2) and ubiquinol-treated (n = 2) groups received respectively either normal saline or ubiquinol 30 min before traumatic brain injury induced by controlled cortical impact...
July 1, 2017: Nursing Outlook
https://www.readbyqxmd.com/read/28755841/gene-expression-profiles-in-whole-blood-and-associations-with-metabolic-dysregulation-in-obesity
#10
Amanda J Cox, Ping Zhang, Tiffany J Evans, Rodney J Scott, Allan W Cripps, Nicholas P West
BACKGROUND: Gene expression data provides one tool to gain further insight into the complex biological interactions linking obesity and metabolic disease. This study examined associations between blood gene expression profiles and metabolic disease in obesity. METHODS: Whole blood gene expression profiles, performed using the Illumina HT-12v4 Human Expression Beadchip, were compared between (i) individuals with obesity (O) or lean (L) individuals (n=21 each), (ii) individuals with (M) or without (H) Metabolic Syndrome (n=11 each) matched on age and gender...
July 26, 2017: Obesity Research & Clinical Practice
https://www.readbyqxmd.com/read/28755009/transcriptomic-signature-of-the-follicular-somatic-compartment-surrounding-an-oocyte-with-high-developmental-competence
#11
Satoshi Sugimura, Norio Kobayashi, Hiroaki Okae, Tadayuki Yamanouchi, Hideo Matsuda, Takumi Kojima, Akira Yajima, Yutaka Hashiyada, Masahiro Kaneda, Kan Sato, Kei Imai, Kentaro Tanemura, Takahiro Arima, Robert B Gilchrist
During antral folliculogenesis, developmental competence of prospective oocytes is regulated in large part by the follicular somatic component to prepare the oocyte for the final stage of maturation and subsequent embryo development. The underlying molecular mechanisms are poorly understood. Oocytes reaching the advanced stage of follicular growth by administration of exogenous follicle-stimulating hormone (FSH) possess higher developmental competence than oocytes in FSH-untreated smaller follicles. In this study, the transcriptomic profile of the cumulus cells from cows receiving FSH administration (FSH-priming) was compared, as a model of high oocyte competence, with that from untreated donor cows (control)...
July 28, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28745316/elevation-of-adenylate-energy-charge-by-angiopoietin-like-4-enhances-epithelial-mesenchymal-transition-by-inducing-14-3-3%C3%AE-expression
#12
Z Teo, M K Sng, J S K Chan, M M K Lim, Y Li, L Li, T Phua, J Y H Lee, Z W Tan, P Zhu, N S Tan
Metastatic cancer cells acquire energy-intensive processes including increased invasiveness and chemoresistance. However, how the energy demand is met and the molecular drivers that coordinate an increase in cellular metabolic activity to drive epithelial-mesenchymal transition (EMT), the first step of metastasis, remain unclear. Using different in vitro and in vivo EMT models with clinical patient's samples, we showed that EMT is an energy-demanding process fueled by glucose metabolism-derived adenosine triphosphate (ATP)...
July 24, 2017: Oncogene
https://www.readbyqxmd.com/read/28730381/pooled-human-serum-increases-regenerative-potential-of-in-vitro-expanded-stem-cells-from-human-extracted-deciduous-teeth
#13
Nazmul Haque, Noor Hayaty Abu Kasim
In regenerative therapy, in vitro expansion of stem cells is critical to obtain a significantly higher number of cells for successful engraftment after transplantation. However, stem cells lose its regenerative potential and enter senescence during in vitro expansion. In this study, the influence of foetal bovine serum (FBS) and pooled human serum (pHS) on the proliferation, morphology and migration of stem cells from human extracted deciduous teeth (SHED) was compared. SHED (n = 3) was expanded in KnockOut DMEM supplemented with either pHS (pHS-SM) or FBS (FBS-SM)...
July 21, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28722160/placental-proteomics-reveal-insights-into-fetal-alcohol-spectrum-disorders
#14
Katie L Davis-Anderson, Sebastian Berger, Emilie R Lunde-Young, Vishal D Naik, Heewon Seo, Greg A Johnson, Hanno Steen, Jayanth Ramadoss
Fetal alcohol spectrum disorders (FASD) describe many of the well-known neurodevelopmental deficits afflicting children exposed to alcohol in utero. The effects of alcohol on the maternal-fetal interface, especially the placenta, have been less explored. We herein hypothesized that chronic binge alcohol exposure during pregnancy significantly alters the placental protein profile in a rat FASD model METHODS: Pregnant rats were orogastrically treated daily with alcohol (4.5 g/kg, gestational day (GD) 5-10; 6...
July 19, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28720371/genetic-risk-factors-for-idiopathic-urolithiasis-a-systematic-review-of-the-literature-and-causal-network-analysis
#15
REVIEW
Kazumi Taguchi, Takahiro Yasui, Dawn Schmautz Milliner, Bernd Hoppe, Thomas Chi
CONTEXT: Urolithiasis has a high prevalence and recurrence rate. Prevention is key to patient management, but risk stratification is challenging. In particular, genetic predisposition for urinary stones is not fully understood. OBJECTIVE: To review current evidence of potential causative genes for idiopathic urolithiasis and map their relationships to one another. This evidence is essential for future establishment of molecular targeted therapy. EVIDENCE ACQUISITION: A systematic literature review from 2007 to 2017 was performed in accordance with the Preferred Reporting Items for Systematic Review and Meta-analyses guidelines...
February 2017: European Urology Focus
https://www.readbyqxmd.com/read/28719177/classics-in-neuroimaging-imaging-the-dopaminergic-pathway-with-pet
#16
Meghna Kanthan, Paul Cumming, Jacob M Hooker, Neil Vasdev
The success of positron emission tomography (PET) for observing molecular processes underlying brain function and disease is underpinned by radiotracer chemistry. From the earliest applications of PET to measure dopamine synthesis capacity and the abundance of neuroreceptors and transporters, to the more recent topic of dynamic neurochemical imaging, interrogation of brain dopamine in conditions such as neurodegenerative diseases, schizophrenia, mood disorders, and addictions has been a driving force that challenges the ingenuity of radiopharmaceutical scientists...
July 18, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28713815/bioinformatic-prediction-of-possible-targets-and-mechanisms-of-action-of-the-green-tea-compound-epigallocatechin-3-gallate-against-breast-cancer
#17
Xinqiang Song, Mu Zhang, Lei Chen, Qingsong Lin
Epigallocatechin-3-gallate (EGCG), a bioactive compound in green tea, is the most abundant and biologically active catechin, and it exerts multiple effects in humans through mechanisms that remain to be clarified. The present study used bioinformatics to identify possible mechanisms by which EGCG reduces risk of breast cancer. Possible human protein targets of EGCG were identified in the PubChem database, possible human gene targets were identified in the NCBI database, and then both sets of targets were analyzed using Ingenuity Pathway Analysis to predict molecular networks affected by EGCG in breast cancer...
2017: Frontiers in Molecular Biosciences
https://www.readbyqxmd.com/read/28708104/fruit-and-juice-epigenetic-signatures-are-associated-with-independent-immunoregulatory-pathways
#18
Jessie Nicodemus-Johnson, Robert A Sinnott
Epidemiological evidence strongly suggests that fruit consumption promotes many health benefits. Despite the general consensus that fruit and juice are nutritionally similar, epidemiological results for juice consumption are conflicting. Our objective was to use DNA methylation marks to characterize fruit and juice epigenetic signatures within PBMCs and identify shared and independent signatures associated with these groups. Genome-wide DNA methylation marks (Illumina Human Methylation 450k chip) for 2,148 individuals that participated in the Framingham Offspring exam 8 were analyzed for correlations between fruit or juice consumption using standard linear regression...
July 14, 2017: Nutrients
https://www.readbyqxmd.com/read/28705996/different-gene-response-to-mechanical-loading-during-early-and-late-phases-of-rat-achilles-tendon-healing
#19
Malin Hammerman, Parmis Blomgran, Arie Dansac, Pernilla Eliasson, Per Aspenberg
Mechanical loading stimulates tendon healing both when applied in the inflammatory phase and in the early remodeling phase of the process, although not necessarily via the same mechanisms. We investigated the gene response to mechanical loading in these two phases of tendon healing. The right Achilles tendon in rats was transected and the hind limbs were unloaded by tail suspension. The rats were exposed to 5 minutes of treadmill running 3 or 14 days after tendon transection. Thereafter, they were re-suspended for 15 minutes or 3 hours until euthanasia...
July 13, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28699896/eb1-protein-alteration-characterizes-sporadic-but-not-ulcerative-colitis-associated-colorectal-cancer
#20
Timo Gemoll, Sophie L Kollbeck, Karl F Karstens, Gia G Hò, Sonja Hartwig, Sarah Strohkamp, Katharina Schillo, Christoph Thorns, Martina Oberländer, Kathrin Kalies, Stefan Lehr, Jens K Habermann
BACKGROUND: While carcinogenesis in Sporadic Colorectal Cancer (SCC) has been thoroughly studied, less is known about Ulcerative Colitis associated Colorectal Cancer (UCC). This study aimed to identify and validate differentially expressed proteins between clinical samples of SCC and UCC to elucidate new insights of UCC/SCC carcinogenesis and progression. RESULTS: Multiplex-fluorescence two-dimensional gel electrophoresis (2-D DIGE) and mass spectrometry identified 67 proteoforms representing 43 distinct proteins...
July 4, 2017: Oncotarget
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