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histone deacetylase inflammation

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https://www.readbyqxmd.com/read/28515914/analysis-of-the-function-of-microrna-375-in-humans-using-bioinformatics
#1
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
#2
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...
May 4, 2017: Redox Biology
https://www.readbyqxmd.com/read/28482944/increased-birth-weight-is-associated-with-altered-gene-expression-in-neonatal-foreskin
#3
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
#4
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
https://www.readbyqxmd.com/read/28451285/chemical-optogenetic-modulation-of-inflammation-and-immunity
#5
Bibudha Parasar, Pamela V Chang
The immune system is an essential component of host defense against pathogens and is largely mediated by inflammatory molecules produced by immune cells, such as macrophages. These inflammatory mediators are regulated at the transcriptional level by chromatin-modifying enzymes including histone deacetylases (HDACs). Here we describe a strategy to regulate inflammation and immunity with photocontrolled HDAC inhibitors, which can be selectively delivered to target cells by UV irradiation to minimize off-target effects...
February 1, 2017: Chemical Science
https://www.readbyqxmd.com/read/28447718/role-of-histone-deacetylase-expression-levels-and-activity-in-the-inflammatory-responses-of-patients-with-chronic-hepatitis-b
#6
Haiyue Zhang, Xun Li, Qian Zhang, Fan Yang, Xiaogang Chu, Di Zhang, Luwen Wang, Zuojiong Gong
Histone acetylation has been demonstrated to serve a pivotal role in numerous inflammatory diseases. The present study examined histone acetylation in patients with chronic hepatitis B (CHB) and CHB with liver failure by detecting histone deacetylase (HDAC) activity. Mice with acute liver failure (ALF) were treated with the HDAC inhibitor entinostat (MS275) and alterations in HDAC activity and pro‑inflammatory cytokine expression levels were detected. The effect of HDAC1 silencing on LPS-treated RAW264.7 murine macrophages was examined using specific small interfering RNA sequences, and the acetylation level of the non‑histone nuclear factor‑κB (NF‑κB) p65 subunit was additionally examined...
May 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28388587/micro-rna-19a-interferes-with-il-10-expression-in-peripheral-dendritic-cells-of-patients-with-nasal-polyposis
#7
Xiang-Qian Luo, Jian-Bo Shao, Rui-Di Xie, Lu Zeng, Xiao-Xi Li, Shu-Qi Qiu, Xiao-Rui Geng, Li-Tao Yang, Lin-Jing Li, Da-Bo Liu, Zhi-Gang Liu, Ping-Chang Yang
The pathogenesis of nasal polyp is to be further investigated. Micro RNA (miR) plays a role in the development of allergic inflammation. Interleukin (IL)-10-producing dendritic cells (DC) have immune tolerogenic properties. This study test a hypothesis that miR-17-92 cluster is associated with suppressing IL-10 in peripheral DC. In this study, peripheral blood samples were obtained from 26 patients with nasal polyp. The CD11c DCs were isolated from the blood samples and analyzed for the expression of IL-10...
March 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28386366/micro-rna-19a-suppresses-interleukin-10-in-peripheral-b-cells-of-patients-with-diabetic-retinopathy
#8
Cong Wang, Qisheng You, Xusheng Cao, Huiling Guo, Xinxiao Gao, Xiaoyan Peng
A number of patients with diabetes suffer from retinopathy; the pathogenesis is to be further investigated. Recent reports indicate that micro RNA (miR) plays critical roles in the development of immune inflammation. This study test a hypothesis that miR-17-92 cluster is associated with the pathogenesis of diabetes retinopathy (DR). In this study, peripheral blood samples were collected from DR patients and healthy subjects. B cells were isolated from the blood samples to be analyzed the expression of interleukin (IL)-10...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28382171/hdac6-regulates-il-17-expression-in-t-lymphocytes-implications-for-hdac6-targeted-therapies
#9
Bing Yan, Yang Liu, Hong Bai, Miao Chen, Songbo Xie, Dengwen Li, Min Liu, Jun Zhou
The pro-inflammatory cytokine interleukin 17 (IL-17) is critically involved in immunity and inflammation. T-helper 17 and γδ T cells are the predominant sources of IL-17 in the immune system. However, the mechanisms by which the expression of IL-17 is regulated in T cells remain elusive. Here, we demonstrate that loss of histone deacetylase 6 (HDAC6) in mice does not affect the generation of CD4(+) or CD8(+) T cells, but stimulates the development of IL-17-producing γδ T cells. Our data further show that HDAC6 deficiency increases the production of IL-17 by Vγ4(+) γδ T cells in the spleen and lymph nodes...
2017: Theranostics
https://www.readbyqxmd.com/read/28380414/the-role-of-sirt1-in-diabetic-cardiomyopathy
#10
REVIEW
Hedyieh Karbasforooshan, Gholamreza Karimi
The prevalence of diabetes mellitus (DM) has been increasing worldwide. Diabetic cardiomyopathy (DCP) is the major risk for diabetes associated morbidity and mortality. Hyperglycemia and hyperinsulinemia play an indispensable role in underlying mechanisms of DCP. They increase advanced glycation end products (AGEs) following a series of events leading to myocardial damage and cardiomyopathy which include oxidative stress, increased inflammation, fibrosis, hypertrophy and apoptosis. SIRT1 is a nicotinamide adenosine dinucleotide (NAD)-dependent deacetylase that removes acetyl groups from proteins which can be implicated in DCP...
June 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28351995/sirt6-deficiency-results-in-progression-of-glomerular-injury-in-the-kidney
#11
Wen Huang, Hua Liu, Shuang Zhu, Michael Woodson, Rong Liu, Ronald G Tilton, Jordan D Miller, Wenbo Zhang
Aging is associated with an increased incidence and prevalence of renal glomerular diseases. Sirtuin (Sirt) 6, a nicotinamide adenine dinucleotide (NAD)-dependent histone deacetylase, has been shown to protect against multiple age-associated phenotypes; however it is unknown whether Sirt6 has a direct pathophysiologic role in the kidney. In the present study, we demonstrate that Sirt6 is expressed in the kidney and aging Sirt6-deficient mice exhibit renal hypertrophy with glomerular enlargement. Sirt6 deletion induces podocyte injury, including decreases in slit diaphragm proteins, foot process effacement, and cellular loss, resulting in proteinuria...
March 28, 2017: Aging
https://www.readbyqxmd.com/read/28344354/hdac1-3-inhibitor-ms-275-enhances-il10-expression-in-raw264-7-macrophages-and-reduces-cigarette-smoke-induced-airway-inflammation-in-mice
#12
Niek G J Leus, Thea van den Bosch, Petra E van der Wouden, Kim Krist, Maria E Ourailidou, Nikolaos Eleftheriadis, Loes E M Kistemaker, Sophie Bos, Rutger A F Gjaltema, Solomon A Mekonnen, Rainer Bischoff, Reinoud Gosens, Hidde J Haisma, Frank J Dekker
Chronic obstructive pulmonary disease (COPD) constitutes a major health burden. Studying underlying molecular mechanisms could lead to new therapeutic targets. Macrophages are orchestrators of COPD, by releasing pro-inflammatory cytokines. This process relies on transcription factors such as NF-κB, among others. NF-κB is regulated by lysine acetylation; a post-translational modification installed by histone acetyltransferases and removed by histone deacetylases (HDACs). We hypothesized that small molecule HDAC inhibitors (HDACi) targeting class I HDACs members that can regulate NF-κB could attenuate inflammatory responses in COPD via modulation of the NF-κB signaling output...
March 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28257794/sirt1-a-class-iii-histone-deacetylase-regulates-lps-induced-inflammation-in-human-keratinocytes-and-mediates-the-anti-inflammatory-effects-of-hinokitiol
#13
Ju-Hee Lee, Ji-Hong Moon, You-Jin Lee, Sang-Youel Park
Skin inflammation is a response of the immune system to infection and injury. In this study, we report that hinokitiol, a tropolone-related natural compound that exhibits anti-oxidant, anti-inflammatory, and anti-cancer properties in various cell types, can modulate the inflammatory responses of primary human keratinocytes challenged with lipopolysaccharide (LPS). Hinokitiol treatment inhibited LPS-mediated upregulation of pro-inflammatory factors including tumor necrosis factor alpha (TNF-α), interleukin-6 (IL-6), and prostaglandin E2 (PGE2)...
February 28, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28224747/why-do-lactobacilli-dominate-the-human-vaginal-microbiota
#14
REVIEW
S S Witkin, I M Linhares
Lactobacilli are the most abundant vaginal bacteria in women. They inhibit binding of other bacteria to epithelial cells and produce lactic acid that kills or inhibits the growth of many other bacteria. Lactic acid blocks histone deacetylases, thereby enhancing gene transcription and DNA repair. Lactic acid induces autophagy in epithelial cells to degrade intracellular microorganisms and promote homeostasis. Lactobacilli are tolerated by vaginal epithelial cells and inhibit induction of pro-inflammatory cytokines...
March 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28219521/butyrate-influences-intracellular-levels-of-adenine-and-adenine-derivatives-in-the-fungus-penicillium-restrictum
#15
Christoph Zutz, Yi Ming Chiang, Bettina Faehnrich, Markus Bacher, Roland Hellinger, Bernhard Kluger, Martin Wagner, Joseph Strauss, Kathrin Rychli
Butyrate, a small fatty acid, has an important role in the colon of ruminants and mammalians including the inhibition of inflammation and the regulation of cell proliferation. There is also growing evidence that butyrate is influencing the histone structure in mammalian cells by inhibition of histone deacetylation. Butyrate shows furthermore an antimicrobial activity against fungi, yeast and bacteria, which is linked to its toxicity at a high concentration. In fungi there are indications that butyrate induces the production of secondary metabolites potentially via inhibition of histone deacetylases...
April 2017: Microbiological Research
https://www.readbyqxmd.com/read/28218840/drug-repurposing-of-histone-deacetylase-inhibitors-that-alleviate-neutrophilic-inflammation-in-acute-lung-injury-and-idiopathic-pulmonary-fibrosis-via-inhibiting-leukotriene-a4-hydrolase-and-blocking-ltb4-biosynthesis
#16
Weiqiang Lu, Xue Yao, Ping Ouyang, Ningning Dong, Dang Wu, Xingwu Jiang, Zengrui Wu, Chen Zhang, Zhongyu Xu, Yun Tang, Shien Zou, Mingyao Liu, Jian Li, Minghua Zeng, Ping Lin, Feixiong Cheng, Jin Huang
Acute lung injury (ALI) and idiopathic pulmonary fibrosis (IPF) are both serious public health problems with high incidence and mortality rate in adults, and with few drugs available for the efficient treatment in clinic. In this study, we identified that two known histone deacetylase (HDAC) inhibitors, suberanilohydroxamic acid (SAHA, 1) and its analogue 4-(dimethylamino)-N-[7-(hydroxyamino)-7-oxoheptyl]benzamide (2), are effective inhibitors of Leukotriene A4 hydrolase (LTA4H), a key enzyme in the biosynthesis of leukotriene B4 (LTB4), across a panel of 18 HDAC inhibitors, using enzymatic assay, thermofluor assay, and X-ray crystallographic investigation...
February 28, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28195362/low-intensity-ultrasound-enhances-histone-acetylation-and-inhibition-of-interleukin-6-messenger-rna-expression-by-the-histone-deacetylase-inhibitor-sodium-butyrate-in-fibroblasts
#17
Noriaki Maeshige, Yuka Koga, Masayuki Tanaka, Michiko Aoyama-Ishikawa, Makoto Miyoshi, Makoto Usami, Hidemi Fujino
OBJECTIVES: Sodium butyrate, an inhibitor of histone deacetylase, has several therapeutic actions, including anti-inflammation. These actions depend on the concentration of sodium butyrate. In addition, lower concentrations have shown no effect on inflammation. Sonoporation by ultrasound can modify the permeability of the cell plasma membrane. Thus, the effects of sodium butyrate may be enhanced by the ultrasonic acoustics. Therefore, the facilitative effects of low-intensity ultrasound on histone acetylation and interleukin 6 (IL-6) regulation by sodium butyrate were investigated in this study...
May 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28187734/the-potential-neuroprotective-role-of-a-histone-deacetylase-inhibitor-sodium-butyrate-after-neonatal-hypoxia-ischemia
#18
Joanna Jaworska, Malgorzata Ziemka-Nalecz, Joanna Sypecka, Teresa Zalewska
BACKGROUND: Histone deacetylase inhibitor (HDACi), sodium butyrate (SB), has been shown to be neuroprotective in adult brain injury models. Potential explanation for the inhibitor action involves among others reduced inflammation. We therefore anticipated that SB will provide a suitable option for brain injury in immature animals. The aim of our study was to test the hypothesis that one of the mechanisms of protection afforded by SB after neonatal hypoxia-ischemia is associated with anti-inflammatory action...
February 10, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28162182/-therapeutic-effects-of-histone-deacetylase-inhibitor-givinostat-on-air-inflammation-and-high-airway-resistance-in-a-murine-asthma-model
#19
X M Su, Y Ren, L F Kong, J Kang
Objective: To investigate the therapeutic effects of givinostat, a histone deacetylase inhibitor (HDACI), on the development of chronic asthma with airway inflammation, airway remodeling and airway hyperresponsiveness (AHR). Methods: BALB/C mice were randomly divided into control group, asthma group, dexamethasone group and givinostat group (n=12 per group). AHR was assessed. Total cell numbers and differential counts, interleukin-4(IL-4), interleukin-5(IL-5) and interferon-γ (IFNγ) levels in the bronchoalveolar lavage fluid (BALF) were measured in the above 4 groups...
February 1, 2017: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/28106794/a-thoroughly-validated-virtual-screening-strategy-for-discovery-of-novel-hdac3-inhibitors
#20
Huabin Hu, Jie Xia, Dongmei Wang, Xiang Simon Wang, Song Wu
Histone deacetylase 3 (HDAC3) has been recently identified as a potential target for the treatment of cancer and other diseases, such as chronic inflammation, neurodegenerative diseases, and diabetes. Virtual screening (VS) is currently a routine technique for hit identification, but its success depends on rational development of VS strategies. To facilitate this process, we applied our previously released benchmarking dataset, i.e., MUBD-HDAC3 to the evaluation of structure-based VS (SBVS) and ligand-based VS (LBVS) combinatorial approaches...
January 18, 2017: International Journal of Molecular Sciences
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