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https://www.readbyqxmd.com/read/28744146/rna-sequencing-identifies-gene-expression-profile-changes-associated-with-%C3%AE-estradiol-treatment-in-u2os-osteosarcoma-cells
#1
Bin Chen, Zude Liu, Jidong Zhang, Hantao Wang, Bo Yu
This study was conducted to identify gene expression profile changes associated with β-estradiol (E2) treatment in U2OS osteosarcoma cells by high-throughput RNA sequencing (RNA-seq). Two U2OS cell samples treated with E2 (15 μmol/L) and two untreated control U2OS cell samples were subjected to RNA-seq. Differentially expressed genes (DEGs) between the groups were identified, and main biological process enrichment was performed using gene ontology (GO) analysis. A protein-protein interaction (PPI) network was constructed using Cytoscape based on the Human Protein Reference Database...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28688716/exercise-induced-glut4-transcription-via-inactivation-of-hdac4-5-in-mouse-skeletal-muscle-in-an-ampk%C3%AE-2-dependent-manner
#2
Yanmei Niu, Tianyi Wang, Sujuan Liu, Hairui Yuan, Huige Li, Li Fu
Abnormal glucose metabolism induces various metabolic disorders such as insulin resistance and type 2 diabetes. Regular exercise improved glucose uptake and enhanced glucose oxidation by increasing GLUT4 transcription in skeletal muscle. However, the regulatory mechanisms of GLUT4 transcription in response to exercise are poorly understood. AMPK is a sensor of exercise and upstream kinase of class II HDACs that act as transcriptional repressors. We used 6-week treadmill exercise or one single-bout exercise wild type or AMPKα2(-/-) C57BL/6J mice to explore how HDACs regulate GLUT4 transcription and the underlying molecular mechanisms mediated by AMPK in the physiologic process of exercise...
July 6, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28681592/oleanolic-acid-promotes-neuronal-differentiation-and-histone-deacetylase-5-phosphorylation-in-rat-hippocampal-neurons
#3
Hye-Ryeong Jo, Sung Eun Wang, Yong-Seok Kim, Chang Ho Lee, Hyeon Son
Oleanolic acid (OA) has neurotrophic effects on neurons, although its use as a neurological drug requires further research. In the present study, we investigated the effects of OA and OA derivatives on the neuronal differentiation of rat hippocampal neural progenitor cells. In addition, we investigated whether the class II histone deacetylase (HDAC) 5 mediates the gene expression induced by OA. We found that OA and OA derivatives induced the formation of neurite spines and the expression of synapse-related molecules...
July 31, 2017: Molecules and Cells
https://www.readbyqxmd.com/read/28635037/novel-role-and-regulation-of-hdac4-in-cocaine-related-behaviors
#4
Rachel D Penrod, Maria B Carreira, Makoto Taniguchi, Jaswinder Kumar, Stephanie A Maddox, Christopher W Cowan
Epigenetic mechanisms have been proposed to contribute to persistent aspects of addiction-related behaviors. One family of epigenetic molecules that may regulate maladaptive behavioral changes produced by cocaine use are the histone deacetylases (HDACs)-key regulators of chromatin and gene expression. In particular, the class IIa HDACs (HDAC4, HDAC5, HDAC7 and HDAC9) respond to changes in neuronal activity by modulating their distribution between the nucleus and cytoplasm-a process controlled in large part by changes in phosphorylation of conserved residues...
June 21, 2017: Addiction Biology
https://www.readbyqxmd.com/read/28577999/ketamine-induces-brain-derived-neurotrophic-factor-expression-via-phosphorylation-of-histone-deacetylase-5-in-rats
#5
Miyeon Choi, Seung Hoon Lee, Min Hyeop Park, Yong-Seok Kim, Hyeon Son
Ketamine shows promise as a therapeutic agent for the treatment of depression. The increased expression of brain-derived neurotrophic factor (BDNF) has been associated with the antidepressant-like effects of ketamine, but the mechanism of BDNF induction is not well understood. In the current study, we demonstrate that the treatment of rats with ketamine results in the dose-dependent rapid upregulation of Bdnf promoter IV activity and expression of Bdnf exon IV mRNAs in rat hippocampal neurons. Transfection of histone deacetylase 5 (HDAC5) into rat hippocampal neurons similarly induces Bdnf mRNA expression in response to ketamine, whereas transfection of a HDAC5 phosphorylation-defective mutant (Ser259 and Ser498 replaced by Ala259 and Ala498), results in the suppression of ketamine-mediated BDNF promoter IV transcriptional activity...
August 5, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28567090/expression-of-class-i-and-class-ii-a-b-histone-deacetylase-is-dysregulated-in-hypertensive-animal-models
#6
Hae Jin Kee, Gwi Ran Kim, Ming Quan Lin, Sin Young Choi, Yuhee Ryu, Li Jin, Zhe Hao Piao, Myung Ho Jeong
BACKGROUND AND OBJECTIVES: Dysregulation of histone deacetylase expression and enzymatic activity is associated with a number of diseases. It has been reported that protein levels of histone deacetylase (HDAC)1 and HDAC5 increase during human pulmonary hypertension, and that the enzymatic activity of HDAC6 is induced in a chronic hypertensive animal model. This study investigated the protein expression profiles of class I and II a/b HDACs in three systemic hypertension models. SUBJECTS AND METHODS: We used three different hypertensive animal models: (i) Wistar-Kyoto rats (n=8) and spontaneously hypertensive rats (SHR; n=8), (ii) mice infused with saline or angiotensin II to induce hypertension, via osmotic mini-pump for 2 weeks, and (iii) mice that were allowed to drink L-N(G)-nitro-L-arginine methyl ester (L-NAME) to induce hypertension...
May 2017: Korean Circulation Journal
https://www.readbyqxmd.com/read/28526090/reduced-hdac2-in-skeletal-muscle-of-copd-patients
#7
Masako To, Elisabeth B Swallow, Kenich Akashi, Kosuke Haruki, S Amanda Natanek, Michael I Polkey, Kazuhiro Ito, Peter J Barnes
BACKGROUND: Skeletal muscle weakness in chronic obstructive pulmonary disease (COPD) is an important predictor of poor prognosis, but the molecular mechanisms of muscle weakness in COPD have not been fully elucidated. The aim of this study was to investigate the role of histone deacetylases(HDAC) in skeletal muscle weakness in COPD. METHODS AND RESULTS: Twelve COPD patients, 8 smokers without COPD (SM) and 4 healthy non-smokers (NS) were recruited to the study. HDAC2 protein expression in quadriceps muscle biopsies of COPD patients (HDAC2/β-actin: 0...
May 19, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28505206/effects-of-%C3%AE-tat1-and-hdac5-on-axonal-regeneration-in-adult-neurons
#8
Shen Lin, Noelle A Sterling, Ian P Junker, Courtney T Helm, George M Smith
The role of posttranslational modifications in axonal injury and regeneration has been widely studied but there has been little consensus over the mechanism by which each modification affects adult axonal growth. Acetylation is known to play an important role in a variety of neuronal functions and its homeostasis is controlled by two enzyme families: the Histone Deacetylases (HDACs) and Histone Acetyl Transferases (HATs). Recent studies show that HDAC5 deacetylates microtubules in the axonal cytoplasm as part of an injury-induced regeneration response, but little is known about how acetylation of microtubules plays a role...
2017: PloS One
https://www.readbyqxmd.com/read/28496307/developing-selective-histone-deacetylases-hdacs-inhibitors-through-ebselen-and-analogs
#9
Yuren Wang, Jason Wallach, Stephanie Duane, Yuan Wang, Jianghong Wu, Jeffrey Wang, Adeboye Adejare, Haiching Ma
Histone deacetylases (HDACs) are key regulators of gene expression in cells and have been investigated as important therapeutic targets for cancer and other diseases. Different subtypes of HDACs appear to play disparate roles in the cells and are associated with specific diseases. Therefore, substantial effort has been made to develop subtype-selective HDAC inhibitors. In an effort to discover existing scaffolds with HDAC inhibitory activity, we screened a drug library approved by the US Food and Drug Administration and a National Institutes of Health Clinical Collection compound library in HDAC enzymatic assays...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28475869/glucose-sensing-by-skeletal-myocytes-couples-nutrient-signaling-to-systemic-homeostasis
#10
Zhuo-Xian Meng, Jianke Gong, Zhimin Chen, Jingxia Sun, Yuanyuan Xiao, Lin Wang, Yaqiang Li, Jianfeng Liu, X Z Shawn Xu, Jiandie D Lin
Skeletal muscle is a major site of postprandial glucose disposal. Inadequate insulin action in skeletal myocytes contributes to hyperglycemia in diabetes. Although glucose is known to stimulate insulin secretion by β cells, whether it directly engages nutrient signaling pathways in skeletal muscle to maintain systemic glucose homeostasis remains largely unexplored. Here we identified the Baf60c-Deptor-AKT pathway as a target of muscle glucose sensing that augments insulin action in skeletal myocytes. Genetic activation of this pathway improved postprandial glucose disposal in mice, whereas its muscle-specific ablation impaired insulin action and led to postprandial glucose intolerance...
May 4, 2017: Molecular Cell
https://www.readbyqxmd.com/read/28472784/correction-hdac5-a-potential-therapeutic-target-and-prognostic-biomarker-promotes-proliferation-invasion-and-migration-in-human-breast-cancer
#11
Anqi Li, Zebing Liu, Ming Li, Shuling Zhou, Yan Xu, Yaoxing Xiao, Wentao Yang
No abstract text is available yet for this article.
May 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28466138/a-translational-approach-from-an-animal-model-identifies-cd80-as-a-candidate-gene-for-the-study-of-bone-phenotypes-in-postmenopausal-women
#12
L Panach, E Serna, J J Tarín, A Cano, M Á García-Pérez
This study represented a translational study that first compared gene expression of B cells of BM from ovariectomized and control mice, and then analyzed some of the differentially expressed genes in women. Results showed novel genetic associations with bone phenotypes and points to the CD80 gene as relevant in postmenopausal bone loss. INTRODUCTION: Osteoporosis is a multifactorial disease with a strong genetic component. However, to date, research into osteoporosis has only been able to explain a small part of its heritability...
August 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28440397/hypermethylation-of-mirna-589-promoter-leads-to-upregulation-of-hdac5-which-promotes-malignancy-in-non-small-cell-lung-cancer
#13
Changhong Liu, Desheng Lv, Mo Li, Xuefei Zhang, Ge Sun, Yu Bai, Dongmin Chang
Histone deacetylases (HDACs) are crucial for regulating chromatin activity, which plays a critical role in cell proliferation, differentiation, and apoptosis of various cancers. Therefore, HDAC inhibitors have been applied as effective therapeutic agents for cancer treatment. However, the expression profiles and regulatory mechanisms of histone deacetylases in lung cancer are not well understood. In the present study, aberrant high levels of HDAC5 were observed in non-small cell lung cancer (NSCLC) and further analysis indicated a negative relationship between HDAC5 and a tumor suppressor, miR‑589‑5p, in NSCLC specimens...
April 20, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28414307/metabolic-inhibitors-accentuate-the-anti-tumoral-effect-of-hdac5-inhibition
#14
E Hendrick, P Peixoto, A Blomme, C Polese, N Matheus, J Cimino, A Frère, A Mouithys-Mickalad, D Serteyn, L Bettendorff, B Elmoualij, P De Tullio, G Eppe, F Dequiedt, V Castronovo, D Mottet
The US FDA approval of broad-spectrum histone deacetylase (HDAC) inhibitors has firmly laid the cancer community to explore HDAC inhibition as a therapeutic approach for cancer treatment. Hitting one HDAC member could yield clinical benefit but this required a complete understanding of the functions of the different HDAC members. Here we explored the consequences of specific HDAC5 inhibition in cancer cells. We demonstrated that HDAC5 inhibition induces an iron-dependent reactive oxygen species (ROS) production, ultimately leading to apoptotic cell death as well as mechanisms of mitochondria quality control (mitophagy and mitobiogenesis)...
April 17, 2017: Oncogene
https://www.readbyqxmd.com/read/28389765/sodium-butyrate-controls-cardiac-hypertrophy-in-experimental-models-of-rats
#15
Bhoomika M Patel
The aim of the present research was to study the effect of sodium butyrate (SB) on partial abdominal aorta constriction (PAAC)-induced cardiac hypertrophy and determine its mechanism of action. Healthy Wistar rats were exposed to PAAC for eight weeks. After eight weeks, we carried out hypertrophic and hemodynamic evaluation and measured oxidative stress parameters and mitochondrial DNA concentration. PAAC control animals exhibited cardiac hypertrophy, decreased hemodynamic functions and oxidative stress. Treatment with SB reduced hypertrophic indices, LV wall thickness, LV collagen levels, cardiomyocyte diameter, serum lipid levels and serum cardiac biomarkers...
April 7, 2017: Cardiovascular Toxicology
https://www.readbyqxmd.com/read/28343149/%C3%AE-adrenergic-stimulation-induces-histone-deacetylase-5-hdac5-nuclear-accumulation-in-cardiomyocytes-by-b55%C3%AE-pp2a-mediated-dephosphorylation
#16
Kate L Weeks, Antonella Ranieri, Agnieszka Karaś, Bianca C Bernardo, Alexandra S Ashcroft, Chris Molenaar, Julie R McMullen, Metin Avkiran
BACKGROUND: Class IIa histone deacetylase (HDAC) isoforms such as HDAC5 are critical signal-responsive repressors of maladaptive cardiomyocyte hypertrophy, through nuclear interactions with transcription factors including myocyte enhancer factor-2. β-Adrenoceptor (β-AR) stimulation, a signal of fundamental importance in regulating cardiac function, has been proposed to induce both phosphorylation-independent nuclear export and phosphorylation-dependent nuclear accumulation of cardiomyocyte HDAC5...
March 25, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28332716/mir-124-and-mir-9-mediated-downregulation-of-hdac5-promotes-neurite-development-through-activating-mef2c-gpm6a-pathway
#17
Xi Gu, Congcong Fu, Lifang Lin, Shuhu Liu, Xiaohong Su, Aili Li, Qiaoqi Wu, Chunhong Jia, Peidong Zhang, Lu Chen, Xinhong Zhu, Xuemin Wang
The class IIa histone deacetylases (HDACs) play important roles in the central nervous system during diverse biological processes such as synaptic plasticity, axon regeneration, cell apoptosis, and neural differentiation. Although it is known that HDAC5 regulates neuronal differentiation, neither the physiological function nor the regulation of HDAC5 in neuronal differentiation is clear. Here, we identify HDAC5 as an inhibitor of neurite elongation and show that HDAC5 is regulated by the brain enriched microRNA miR-124 and miR-9...
March 23, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28260899/gene-expression-based-biological-test-for-major-depressive-disorder-an-advanced-study
#18
Shin-Ya Watanabe, Shusuke Numata, Jun-Ichi Iga, Makoto Kinoshita, Hidehiro Umehara, Kazuo Ishii, Tetsuro Ohmori
PURPOSE: Recently, we could distinguished patients with major depressive disorder (MDD) from nonpsychiatric controls with high accuracy using a panel of five gene expression markers (ARHGAP24, HDAC5, PDGFC, PRNP, and SLC6A4) in leukocyte. In the present study, we examined whether this biological test is able to discriminate patients with MDD from those without MDD, including those with schizophrenia and bipolar disorder. PATIENTS AND METHODS: We measured messenger ribonucleic acid expression levels of the aforementioned five genes in peripheral leukocytes in 17 patients with schizophrenia and 36 patients with bipolar disorder using quantitative real-time polymerase chain reaction (PCR), and we combined these expression data with our previous expression data of 25 patients with MDD and 25 controls...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28235630/comprehensive-immunohistochemical-analysis-of-histone-deacetylases-in-pancreatic-neuroendocrine-tumors-hdac5-as-a-predictor-of-poor-clinical-outcome
#19
Eckhard Klieser, Romana Urbas, Stefan Stättner, Florian Primavesi, Tarkan Jäger, Adam Dinnewitzer, Christian Mayr, Tobias Kiesslich, Klaus Holzmann, Pietro Di Fazio, Daniel Neureiter, Stefan Swierczynski
Epigenetic factors contribute to carcinogenesis, tumor promotion and chemoresistance. Histone deacetylases (HDACs) are epigenetic regulators that primarily cause chromatin compaction, leading to inaccessibility of promoter regions and eventually gene silencing. Many cancer entities feature over-expression of HDACs. Currently, the role of HDACs in pancreatic neuroendocrine tumors (pNETs) is unclear. We analyzed expression patterns of all HDAC classes (Class I, IIA, IIB, III & IV) in five human tissue microarrays (TMA) representing 57 pNETs resected between 1997 and 2013 and corresponding control tissue...
February 21, 2017: Human Pathology
https://www.readbyqxmd.com/read/28230854/opposite-effects-of-hdac5-and-p300-on-mrtf-a-related-neuronal-apoptosis-during-ischemia-reperfusion-injury-in-rats
#20
Na Li, Qiong Yuan, Xiao-Lu Cao, Ying Zhang, Zhen-Li Min, Shi-Qiang Xu, Zhi-Jun Yu, Jing Cheng, Chunxiang Zhang, Xia-Min Hu
Our recent study has revealed that the myocardin-related transcription factor-A (MRTF-A) is involved in the apoptosis of cortical neurons induced by ischemia/reperfusion (I/R). Histone deacetylase 5 (HDAC5) and histone acetyltransferase p300 (P300) are two well-known regulators for transcription factors; however, their roles in MRTF-A-related effect on neuronal injuries during I/R are still unclear. In this study, in a model rat cerebral I/R injury via middle cerebral artery occlusion and reperfusion, we found that the expression and activity of HDAC5 was upregulated, whereas p300 and MRTF-A were downregulated both in expression and activity during I/R...
February 23, 2017: Cell Death & Disease
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