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histone deacetylase inflammation

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https://www.readbyqxmd.com/read/28742231/different-resuscitation-strategies-and-novel-pharmacologic-treatment-with-valproic-acid-in-traumatic-brain-injury
#1
REVIEW
Simone E Dekker, Vahagn C Nikolian, Martin Sillesen, Ted Bambakidis, Patrick Schober, Hasan B Alam
Traumatic brain injury (TBI) is a leading cause of death in young adults, and effective treatment strategies have the potential to save many lives. TBI results in coagulopathy, endothelial dysfunction, inflammation, cell death, and impaired epigenetic homeostasis, ultimately leading to morbidity and/or mortality. Commonly used resuscitation fluids such as crystalloids or colloids have several disadvantages and might even be harmful when administered in large quantities. There is a need for next-generation treatment strategies (especially in the prehospital setting) that minimize cellular damage, improve survival, and enhance neurological recovery...
July 25, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/28736194/the-epigenetic-drug-trichostatin-a-ameliorates-experimental-autoimmune-encephalomyelitis-via-t-cell-tolerance-induction-and-impaired-influx-of-t-cells-into-the-spinal-cord
#2
Arathi Jayaraman, Advait Soni, Bellur Prabhakar, Mark Holterman, Sundararajan Jayaraman
Multiple sclerosis is a T cell mediated chronic demyelinating disease of the central nervous system. Although currently available therapies reduce relapses, they do not facilitate tolerization of myelin antigen-specific T lymphocytes to ensure prolonged protection against multiple sclerosis. Here, we show that treatment of NOD mice with the histone deacetylase inhibitor, Trichostatin A affords robust protection against myelin peptide induced experimental autoimmune encephalomyelitis, a mouse model of multiple sclerosis...
July 20, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/28733560/mir-122-socs1-jak2-axis-regulates-allergic-inflammation-and-allergic-inflammation-promoted-cellular-interactions
#3
Kyeonga Noh, Misun Kim, Youngmi Kim, Hanearl Kim, Hyuna Kim, Jaehwan Byun, Yeongseo Park, Hansoo Lee, Yun Sil Lee, Jongseon Choe, Young Myeong Kim, Dooil Jeoung
The regulatory role of suppressor of cytokine signaling 1 (SOCS1) in inflammation has been reported. However, its role in allergic inflammation has not been previously reported. SOCS1 mediated in vitro and in vivo allergic inflammation. Histone deacetylase-3 (HDAC3), a mediator of allergic inflammation, interacted with SOCS1, and miR-384 inhibitor, a positive regulator of HDAC3, induced features of allergic inflammation in an SOCS1-dependent manner. miRNA array analysis showed that the expression of miR-122 was decreased by antigen-stimulation...
July 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28719070/sirtuin-1-attenuates-inflammation-and-hepatocellular-damage-in-liver-transplant-ischemia-reperfusion-from-mouse-to-human
#4
Kojiro Nakamura, Shoichi Kageyama, Bibo Ke, Takehiro Fujii, Rebecca A Sosa, Elaine F Reed, Nakul Datta, Ali Zarrinpar, Ronald W Busuttil, Jerzy W Kupiec-Weglinski
Hepatic ischemia-reperfusion injury (IRI), an inevitable antigen-independent inflammation response in cadaveric liver transplantation, correlates with poor early graft function, rejection episodes, and contributes to donor organ shortage. Sirtuin 1 (SIRT1) is a histone deacetylase which may regulate inflammatory cell activity and manage liver function in IRI, though its functional role and clinical relevance remains to be elucidated. We investigated the efficacy of SIRT1 activation in murine liver IRI model and verified the concept of putative SIRT1-mediated hepatoprotection in clinical liver transplantation...
July 18, 2017: Liver Transplantation
https://www.readbyqxmd.com/read/28693431/the-attenuation-of-renal-fibrosis-by-histone-deacetylase-inhibitors-is-associated-with-the-plasticity-of-foxp3-il-17-t-cells
#5
Wen-Pyng Wu, Yi-Giien Tsai, Tze-Yi Lin, Ming-Ju Wu, Ching-Yuang Lin
BACKGROUND: The histone deacetylase (HDAC) inhibitor, which has potential effects on epigenetic modifications, had been reported to attenuate renal fibrosis. CD4(+) forkhead box P3 (FOXP3)(+) T regulatory (Treg) cells may be converted to inflammation-associated T helper 17 cells (Th17) with tissue fibrosis properties. The association between FOXP3(+)IL-17(+) T cells and the attenuation of renal fibrosis by the HDAC inhibitor is not clear. METHODS: This study evaluated the roles of the HDAC inhibitor, Treg cells and their differentiation into Th17 cells, which aggravate chronic inflammation and renal fibrosis in a unilateral ureteral obstruction (UUO) mouse model...
July 10, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28684291/lysine-demethylase-inhibition-protects-pancreatic-%C3%AE-cells-from-apoptosis-and-improves-%C3%AE-cell-function
#6
Marie Balslev Backe, Jan Legaard Andersson, Karl Bacos, Dan Ploug Christensen, Jakob Bondo Hansen, Jerzy Jòzef Dorosz, Michael Gajhede, Tina Dahlby, Madhusudhan Bysani, Line Hyltoft Kristensen, Charlotte Ling, Lars Olsen, Thomas Mandrup-Poulsen
Transcriptional changes control β-cell survival in response to inflammatory stress. Posttranslational modifications of histone and non-histone transcriptional regulators activate or repress gene transcription, but the link to cell-fate signaling is unclear. Inhibition of lysine deacetylases (KDACs) protects β cells from cytokine-induced apoptosis and reduces type 1 diabetes incidence in animals. We hypothesized that also lysine demethylases (KDMs) regulate β-cell fate in response to inflammatory stress. Expression of the demethylase Kdm6B was upregulated by proinflammatory cytokines suggesting a possible role in inflammation-induced β-cell destruction...
July 4, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28678523/nutritional-biomarkers-current-view-and-future-perspectives
#7
Shubhra Pande, Valentina A Kratasyuk, Nadezhda N Medvedeva, Oxana A Kolenchukova, Alla B Salmina
There is a poor relationship between nutrient intake and existing nutritional biomarkers due to variety of factors affecting their sensitivity and specificity. To explore the impact of nutrients at molecular level and devising a sensitive biomarker, proteomics is a central technology with sirtuins as one of the most promising nutritional biomarker. Sirtuins (seven mammalian sirtuins reported so far), have been reported to perform protein deacetylases and ADP-ribosyltransferases activity. It is distributed in different cellular compartments thereby controlling several metabolic processes...
July 5, 2017: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/28677769/valproic-acid-enforces-the-priming-effect-of-sphingosine-1-phosphate-on-human-mesenchymal-stem-cells
#8
Jisun Lim, Seungun Lee, Hyein Ju, Yonghwan Kim, Jinbeom Heo, Hye-Yeon Lee, Kyung-Chul Choi, Jaekyoung Son, Yeon-Mok Oh, In-Gyu Kim, Dong-Myung Shin
Engraftment and homing of mesenchymal stem cells (MSCs) are modulated by priming factors including the bioactive lipid sphingosine-1-phosphate (S1P), by stimulating CXCR4 receptor signaling cascades. However, limited in vivo efficacy and the remaining priming molecules prior to administration of MSCs can provoke concerns regarding the efficiency and safety of MSC priming. Here, we showed that valproic acid (VPA), a histone deacetylase inhibitor, enforced the priming effect of S1P at a low dosage for human umbilical cord-derived MSCs (UC-MSCs)...
July 3, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28673995/inhibition-of-acute-lethal-pulmonary-inflammation-by-the-ido-ahr-pathway
#9
Soung-Min Lee, Ha Young Park, Young-Sill Suh, Eun Hye Yoon, Juyang Kim, Won Hee Jang, Won-Sik Lee, Sae-Gwang Park, Il-Whan Choi, Inhak Choi, Sun-Woo Kang, Hwayoung Yun, Takanori Teshima, Byungsuk Kwon, Su-Kil Seo
The lung is a prototypic organ that was evolved to reduce immunopathology during the immune response to potentially hazardous endogenous and exogenous antigens. In this study, we show that donor CD4(+) T cells transiently induced expression of indoleamine 2,3-dioxygenase (IDO) in lung parenchyma in an IFN-γ-dependent manner early after allogeneic hematopoietic stem cell transplantation (HSCT). Abrogation of host IDO expression by deletion of the IDO gene or the IFN-γ gene in donor T cells or by FK506 treatment resulted in acute lethal pulmonary inflammation known as idiopathic pneumonia syndrome (IPS)...
July 3, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28644902/sirt6-alters-adult-hippocampal-neurogenesis
#10
Eitan Okun, Daniel Marton, Daniel Cohen, Kathleen Griffioen, Yariv Kanfi, Tomer Illouz, Ravit Madar, Haim Y Cohen
Sirtuins are pleiotropic NAD+ dependent histone deacetylases involved in metabolism, DNA damage repair, inflammation and stress resistance. SIRT6, a member of the sirtuin family, regulates the process of normal aging and increases the lifespan of male mice over-expressing Sirt6 by 15%. Neurogenesis, the formation of new neurons within the hippocampus of adult mammals, involves several complex stages including stem cell proliferation, differentiation, migration and network integration. During aging, the number of newly generated neurons continuously declines, and this is correlated with a decline in neuronal plasticity and cognitive behavior...
2017: PloS One
https://www.readbyqxmd.com/read/28599297/long-term-cigarette-smoke-exposure-inhibits-histone-deacetylase-2-expression-and-enhances-the-nuclear-factor-%C3%AE%C2%BAb-activation-in-skeletal-muscle-of-mice
#11
Dongmei Huang, Zhiying Ma, Yili He, Ying Xiao, Honglin Luo, Qiuli Liang, Xiaoning Zhong, Jing Bai, Zhiyi He
Long-term cigarette smoke induces lung inflammatory injury and chronic obstructive pulmonary disease (COPD), associated with skeletal muscle inflammation. This study aimed at investigating how cigarette smoke promotes skeletal muscle inflammation and its molecular pathogenesis. Mice were exposed to air or cigarette smoke for 12 or 24 weeks, and C2C12 cells were stimulated with cigarette smoke extract (CSE). The mass and function, myotube formation, inflammatory cytokine production, histone deacetylase 2 (HDAC2) and nuclear factor-κB (NF-κB) p65 expression were detected in the gastrocnemius muscles of mice and C2C12 cells...
May 23, 2017: Oncotarget
https://www.readbyqxmd.com/read/28566502/inhibition-of-hdac-enhances-stat-acetylation-blocks-nf-%C3%AE-b-and-suppresses-the-renal-inflammation-and-fibrosis-in-npr1-haplotype-male-mice
#12
Prerna Kumar, Venkateswara R Gogulamudi, Ramu Peryasamy, Giri Raghavaraju, Umadevi Subramania, Kailash N Pandey
Guanylyl cyclase/natriuretic peptide receptor-A (GC-A/NPRA) plays a critical role in the regulation of blood pressure and fluid volume homeostasis. Mice lacking functional Npr1 (coding for GC-A/NPRA) exhibit hypertension and congestive heart failure. However, the underlying mechanisms remain largely less clear. The objective of the present study was to determine the physiological efficacy and impact of all-trans retinoic acid (ATRA) and sodium butyrate (NaBu) in ameliorating the renal fibrosis, inflammation, and hypertension in Npr1 gene-disrupted haplotype (1-copy; +/-) mice (50% expression levels of NPRA)...
May 31, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28553227/srt1720-alleviates-anit-induced-cholestasis-in-a-mouse-model
#13
Linxi Yu, Xiaoxin Liu, Zihang Yuan, Xiaojiaoyang Li, Hang Yang, Ziqiao Yuan, Lixin Sun, Luyong Zhang, Zhengzhou Jiang
Intrahepatic cholestasis is a kind of clinical syndrome along with hepatotoxicity which caused by intrahepatic and systemic accumulations of bile acid. There are several crucial generating factors of the pathogenesis of cholestasis, such as inflammation, dysregulation of bile acid transporters and oxidative stress. SIRT1 is regarded as a class III histone deacetylase (HDAC). According to a set of researches, SIRT1 is one of the most important factors which can regulate the hepatic bile acid metabolism. SRT1720 is a kind of activator of SIRT1 which is 1000 times more potent than resveratrol, and this paper is aimed to study its protective influence on hepatotoxicity and cholestasis induced by alpha-naphthylisothiocyanate (ANIT) in mice...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28550123/essential-role-for-histone-deacetylase-11-hdac11-in-neutrophil-biology
#14
Eva Sahakian, Jie Chen, John J Powers, Xianghong Chen, Kamira Maharaj, Susan L Deng, Maritza Lienlaf, Hong Wei Wang, Fengdong Cheng, Andressa L Sodré, Allison Distler, Limin Xing, Patricio Perez-Villarroel, Sheng Wei, Alejandro Villagra, Ed Seto, Eduardo M Sotomayor, Pedro Horna, Javier Pinilla-Ibarz
Epigenetic changes in chromatin structure have been recently associated with the deregulated expression of critical genes in normal and malignant processes. HDAC11, the newest member of the HDAC family of enzymes, functions as a negative regulator of IL-10 expression in APCs, as previously described by our lab. However, at the present time, its role in other hematopoietic cells, specifically in neutrophils, has not been fully explored. In this report, for the first time, we present a novel physiologic role for HDAC11 as a multifaceted regulator of neutrophils...
May 26, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28533215/inhibition-of-hdac3-prevents-diabetic-cardiomyopathy-in-ove26-mice-via-epigenetic-regulation-of-dusp5-erk1-2-pathway
#15
Zheng Xu, Qian Tong, Zhiguo Zhang, Shudong Wang, Yang Zheng, Qiuju Liu, Lingbo Qian, Shao-Yu Chen, Jian Sun, Lu Cai
Inhibition of total histone deacetylases (HDACs) was phenomenally associated with the prevention of diabetic cardiomyopathy (DCM). However, which specific HDAC plays the key role in DCM remains unclear. The present study was designed to determine whether DCM can be prevented by specific inhibition of HDAC3 and to elucidate the mechanisms by which inhibition of HDAC3 prevent DCM. Type 1 diabetes OVE26 and age-matched wild-type mice were given the selective HDAC3 inhibitor RGFP966 or vehicle for 3 months. These mice were then sacrificed immediately or 3 months later for cardiac function and pathological examination...
May 22, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28527875/magnolol-attenuates-the-inflammation-and-apoptosis-through-the-activation-of-sirt1-in-experimental-stroke-rats
#16
Dong-Quan Kou, Yan-Ling Jiang, Jia-Hua Qin, Yin-Hui Huang
BACKGROUND: Silent information regulator 1 (SIRT1), a histone deacetylase, plays a protective role in ischemic brain injury. Previous studies have shown that magnolol has a beneficial effect on ischemic stroke; however, the role of SIRT1 in the protective effect of magnolol against cerebral ischemia has not been investigated. METHODS: We used a middle cerebral artery occlusion model of stroke in rats. Before stroke induction, the rats received intraperitoneal injections of magnolol with or without the SIRT1 inhibitor, EX527...
January 10, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28515914/analysis-of-the-function-of-microrna-375-in-humans-using-bioinformatics
#17
Xiaohua Chen, Baoxia Li, Rongcheng Luo, Sina Cai, Cao Zhang, Xiaolong Cao
MicroRNA-375 (miR-375) is expressed at low levels in many types of solid tumor, particularly in gastrointestinal tumors. It is considered to be important in the development of cancer and certain diseases. Thus, more detailed knowledge is required on the particular functions of miR-375. miRs function by regulating target genes. Therefore, in the current study, miRWalk (which includes the data from 10 prediction software programs) was used to predict the target genes of miR-375. The genes, which were co-predicted using five different software programs were further analyzed using Database for Annotation, Visualization and Integrated Discovery online software [including gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis]...
May 2017: Biomedical Reports
https://www.readbyqxmd.com/read/28499252/crosstalk-between-hdac6-and-nox2-based-nadph-oxidase-mediates-hiv-1-tat-induced-pro-inflammatory-responses-in-astrocytes
#18
Gi Soo Youn, Hyundong Cho, Donggyu Kim, Soo Young Choi, Jinseu Park
Histone deacetylase 6 (HDAC6) likely is important in inflammatory diseases. However, how HDAC6 exerts its effect on inflammatory processes remains unclear. HIV-1 transactivator of transcription (Tat) activates NADPH oxidase resulting in generation of reactive oxygen species (ROS), leading to extensive neuro-inflammation in the central nervous system. We investigated the correlation of HDAC6 and NADPH oxidase in HIV-1 Tat-stimulated astrocytes. HDAC6 knockdown attenuated HIV-1 Tat-induced ROS generation and NADPH oxidase activation...
August 2017: Redox Biology
https://www.readbyqxmd.com/read/28482944/increased-birth-weight-is-associated-with-altered-gene-expression-in-neonatal-foreskin
#19
L J Reynolds, R I Pollack, R J Charnigo, C S Rashid, A J Stromberg, S Shen, J M O'Brien, K J Pearson
Elevated birth weight is linked to glucose intolerance and obesity health-related complications later in life. No studies have examined if infant birth weight is associated with gene expression markers of obesity and inflammation in a tissue that comes directly from the infant following birth. We evaluated the association between birth weight and gene expression on fetal programming of obesity. Foreskin samples were collected following circumcision, and gene expression analyzed comparing the 15% greatest birth weight infants (n=7) v...
May 9, 2017: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/28468311/tubacin-an-hdac6-selective-inhibitor-reduces-the-replication-of-the-japanese-encephalitis-virus-via-the-decrease-of-viral-rna-synthesis
#20
Chien-Yi Lu, Yi-Chih Chang, Chun-Hung Hua, Chieh Chuang, Su-Hua Huang, Szu-Hao Kung, Mann-Jen Hour, Cheng-Wen Lin
Japanese encephalitis virus (JEV), a neurotropic flavivirus, annually causes over 30,000 Japanese Encephalitis (JE) cases in East and Southeast Asia. Histone deacetylases (HDACs) modulate lysine acetylation of histones and non-histone proteins, regulating many processes including inflammation and antiviral immune response. This study investigated antiviral activity of pan- and selective-HDAC inhibitors as host-targeting agents against JEV. Among HDAC inhibitors, selective HDAC6 inhibitors (tubastatin-A (TBSA) and tubacin) concentration-dependently inhibited JEV-induced cytopathic effect and apoptosis, as well as reduced virus yield in human cerebellar medulloblastoma cells...
May 1, 2017: International Journal of Molecular Sciences
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