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histone deacetylase inflammation

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https://www.readbyqxmd.com/read/27919737/histone-deacetylases-3-deletion-restrains-pm2-5-induced-mice-lung-injury-by-regulating-nf-%C3%AE%C2%BAb-and-tgf-%C3%AE-smad2-3-signaling-pathways
#1
Li-Zhi Gu, Hong Sun, Jian-Hui Chen
Acute lung injury (ALI) as a serious disease with high mortality has been emphasized as a threat to human health and life. Accumulating studies demonstrated that PM2.5 plays a significant role in metabolic and lung diseases. Histone deacetylases 3 (HDAC3) is an important regulator in control of gene transcription, required in up-regulation of inflammation-related signaling, and has been known as a key hotpot in treating a lot of chronic inflammatory diseases. TGF-β/Smad signaling pathway has been proven to be of significance in fibrosis development...
December 2, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27914813/normal-human-gingival-fibroblasts-undergo-cytostasis-and-apoptosis-after-long-term-exposure-to-butyric-acid
#2
Michihiro Shirasugi, Keisuke Nishioka, Toshiro Yamamoto, Takaaki Nakaya, Narisato Kanamura
The causes of periodontal disease are complex. Butyric acid, a metabolite of periodontopathic bacteria such as Porphyromonas gingivalis, acts as a histone deacetylase inhibitor that has a direct effect on mRNA expression. Butyric acid produced by Clostridium butyricum in the intestinal tract induces differentiation of regulatory T cells, thereby suppressing inflammation in the gut. Mice lacking Clostridium butyricum in the intestinal tract suffer from colitis. By contrast, butyric acid in the oral cavity worsens periodontal disease...
November 30, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27913583/epigenetic-control-of-microsomal-prostaglandin-e-synthase-1-by-hdac-mediated-recruitment-of-p300
#3
Christian Fork, Andrea E Vasconez, Patrick Janetzko, Carlo Angioni, Yannick Schreiber, Nerea Ferreiros, Gerd Geisslinger, Matthias S Leisegang, Dieter Steinhilber, Ralf P Brandes
: Nonsteroidal anti-inflammatory drugs (NSAIDs) are the most widely used medicine to treat pain, fever, inflammation and to inhibit platelet function. Understanding the expression regulation of enzymes of the prostanoid pathway is of great medical relevance. Histone acetylation crucially controls gene expression. We set out to identify the impact of histone deacetylases (HDACs) on the generation of prostanoids and examine the consequences on vascular function. Inhibition of HDACs (HDACi) with the pan HDAC inhibitor SAHA attenuated prostaglandin E2 (PGE2) generation in the murine vasculature and in human vascular smooth muscle cells...
December 2, 2016: Journal of Lipid Research
https://www.readbyqxmd.com/read/27897220/impact-of-the-microbial-derived-short-chain-fatty-acid-propionate-on-host-susceptibility-to-bacterial-and-fungal-infections-in-vivo
#4
Eleonora Ciarlo, Tytti Heinonen, Jacobus Herderschee, Craig Fenwick, Matteo Mombelli, Didier Le Roy, Thierry Roger
Short chain fatty acids (SCFAs) produced by intestinal microbes mediate anti-inflammatory effects, but whether they impact on antimicrobial host defenses remains largely unknown. This is of particular concern in light of the attractiveness of developing SCFA-mediated therapies and considering that SCFAs work as inhibitors of histone deacetylases which are known to interfere with host defenses. Here we show that propionate, one of the main SCFAs, dampens the response of innate immune cells to microbial stimulation, inhibiting cytokine and NO production by mouse or human monocytes/macrophages, splenocytes, whole blood and, less efficiently, dendritic cells...
November 29, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27886118/natural-compound-histone-deacetylase-inhibitors-hdaci-synergy-with-inflammatory-signaling-pathway-modulators-and-clinical-applications-in-cancer
#5
REVIEW
Hélène Losson, Michael Schnekenburger, Mario Dicato, Marc Diederich
The remarkable complexity of cancer involving multiple mechanisms of action and specific organs led researchers Hanahan and Weinberg to distinguish biological capabilities acquired by cancer cells during the multistep development of human tumors to simplify its understanding. These characteristic hallmarks include the abilities to sustain proliferative signaling, evade growth suppressors, resist cell death, enable replicative immortality, induce angiogenesis, activate invasion and metastasis, avoid immune destruction, and deregulate cellular energetics...
November 23, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27866836/physiological-suppression-of-lipotoxic-liver-damage%C3%A2-by-complementary-actions-of-hdac3-and%C3%A2-scap-srebp
#6
Romeo Papazyan, Zheng Sun, Yong Hoon Kim, Paul M Titchenell, David A Hill, Wenyun Lu, Manashree Damle, Min Wan, Yuxiang Zhang, Erika R Briggs, Joshua D Rabinowitz, Mitchell A Lazar
Liver fat accumulation precedes non-alcoholic steatohepatitis, an increasing cause of end-stage liver disease. Histone deacetylase 3 (HDAC3) is required for hepatic triglyceride homeostasis, and sterol regulatory element binding protein (SREBP) regulates the lipogenic response to feeding, but the crosstalk between these pathways is unknown. Here we show that inactivation of SREBP by hepatic deletion of SREBP cleavage activating protein (SCAP) abrogates the increase in lipogenesis caused by loss of HDAC3, but fatty acid oxidation remains defective...
November 10, 2016: Cell Metabolism
https://www.readbyqxmd.com/read/27827303/an-hdac6-inhibitor-confers-protection-and-selectively-inhibits-b-cell-infiltration-in-dss-induced-colitis-in-mice
#7
Anh Do, Robert C Reid, Rink-Jan Lohman, Matthew J Sweet, David P Fairlie, Abishek Iyer
Small molecule histone deacetylase (HDAC) inhibitors with anti-inflammatory activity may be candidates for targeting intestinal inflammatory pathways in inflammatory bowel disease (IBD). This study investigated whether treatment with a potent HDAC6 inhibitor, BML-281, could protect against colonic inflammation and prevent inflammatory cell infiltration into the colon to drive disease pathology in a mouse model of acute DSS-colitis. Control and acute DSS-colitis mice were treated with BML-281 (1mg/kg/day s.c...
November 8, 2016: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/27826689/%C3%AE-hydroxybutyrate-in-the-brain-one-molecule-multiple-mechanisms
#8
Lavanya B Achanta, Caroline D Rae
β-Hydroxybutyrate (βOHB), a ketone body, is oxidised as a brain fuel. Although its contribution to energy metabolism in the healthy brain is minimal, it is an interesting metabolite which is not only oxidised but also has other direct and collateral effects which make it a molecule of interest for therapeutic purposes. In brain βOHB can be produced in astrocytes from oxidation of fatty acids or catabolism of amino acids and is metabolised in the mitochondria of all brain cell types although uptake across the blood brain barrier is a metabolic control point...
November 8, 2016: Neurochemical Research
https://www.readbyqxmd.com/read/27801948/cooperation-between-the-bacterial-derived-short-chain-fatty-acid-butyrate-and-interleukin-22-detected-in-human-caco2-colon-epithelial-carcinoma-cells
#9
Malte Bachmann, Carlotta Meissner, Josef Pfeilschifter, Heiko Mühl
By generating biologically active factors luminal microbiota shape the intestinal micro-milieu thereby regulating pathological processes such as inflammation and carcinogenesis. Preclinical data suggest that bacterial-derived butyrate and the signal transducer and activator of transcription (STAT)-3 activating cytokine interleukin (IL)-22 display concordant protective properties at the inflamed colonic epithelium. Herein, biochemical cooperation between the short-chain fatty acid butyrate and IL-22 was investigated by focusing on human Caco2 colon epithelial/carcinoma cells...
November 1, 2016: BioFactors
https://www.readbyqxmd.com/read/27801710/glucocortiosteroid-subsensitivity-and-asthma-severity
#10
Manali Mukherjee, Sarah Svenningsen, Parameswaran Nair
PURPOSE OF REVIEW: Glucocorticosteroids (GCSs) remain the cornerstone of therapy for treating the inflammatory component of asthma. Clinical response to GCS is heterogeneous, varying both within asthma 'endotypes', as well as the same individual. Different factors and micro-environment can alter the canonical GCS-induced signalling pathways leading to reduced efficacy, collectively termed as GCS subsensitivity, which includes the entire spectrum of steroid insensitivity and steroid resistance...
January 2017: Current Opinion in Pulmonary Medicine
https://www.readbyqxmd.com/read/27799462/sodium-butyrate-activates-nrf2-to-ameliorate-diabetic-nephropathy-possibly-via-inhibition-of-hdac
#11
Wenpeng Dong, Ye Jia, Xiuxia Liu, Huan Zhang, Tie Li, Wenlin Huang, Xudong Chen, Fuchun Wang, Weixia Sun, Hao Wu
Oxidative stress contributes to the pathogenesis of diabetic nephropathy (DN). Nuclear factor erythroid 2-related factor 2 (NRF2) plays a key role in cellular defense against oxidative stress. NRF2 activators have shown promising preventive effects on DN. Sodium butyrate (NaB) is a known activator of NRF2. However, it is unknown whether NRF2 is required for NaB protection against DN. Therefore, streptozotocin-induced diabetic C57BL/6 Nrf2 knockout and their wild-type mice were treated in the presence or absence of NaB for 20 weeks...
January 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/27796513/glucocorticosteroids
#12
Peter J Barnes
Glucocorticosteroids are the most effective anti-inflammatory therapy for asthma but are relatively ineffective in COPD. Glucocorticoids are broad-spectrum anti-inflammatory drugs that suppress inflammation via several molecular mechanisms. Glucocorticoids suppress the multiple inflammatory genes that are activated in asthma by reversing histone acetylation of activated inflammatory genes through binding of ligand-bound glucocorticoid receptors (GR) to coactivator molecules and recruitment of histone deacetylase-2 (HDAC2) to the activated inflammatory gene transcription complex (trans-repression)...
October 28, 2016: Handbook of Experimental Pharmacology
https://www.readbyqxmd.com/read/27791204/e-cigarettes-and-flavorings-induce-inflammatory-and-pro-senescence-responses-in-oral-epithelial-cells-and-periodontal-fibroblasts
#13
Isaac K Sundar, Fawad Javed, Georgios E Romanos, Irfan Rahman
Electronic-cigarettes (e-cigs) represent a significant and increasing proportion of tobacco product consumption, which may pose an oral health concern. Oxidative/carbonyl stress via protein carbonylation is an important factor in causing inflammation and DNA damage. This results in stress-induced premature senescence (a state of irreversible growth arrest which re-enforces chronic inflammation) in gingival epithelium, which may contribute to the pathogenesis of oral diseases. We show that e-cigs with flavorings cause increased oxidative/carbonyl stress and inflammatory cytokine release in human periodontal ligament fibroblasts, Human Gingival Epithelium Progenitors pooled (HGEPp), and epigingival 3D epithelium...
October 24, 2016: Oncotarget
https://www.readbyqxmd.com/read/27754271/sy-17-1-dynamic-regulation-of-redox-regulating-factor-ape1-ref-1-on-the-oxidative-stress-and-vascular-inflammation
#14
Byeong Hwa Jeon
Apurinic/apyrimidinic endonuclease 1/redox factor-1 (APE1/Ref-1) is a multifunctional protein that plays a central role in the cellular response to DNA damage and redox regulation against oxidative stress. APE1/Ref-1 is essential for cellular survival and embryonic lethal in knockout mouse models. Heterozygous APE1/Ref-1 mice showed impaired endothelium-dependent vasorelaxation, reduced vascular NO levels, and are hypertensive. APE1/Ref-1 reduces intracellular reactive oxygen species production by negatively regulating the activity of the NADPH oxidase...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27736946/expression-and-functions-of-immediate-early-response-gene-x-1-iex-1-in-rheumatoid-arthritis-synovial-fibroblasts
#15
Akio Morinobu, Shino Tanaka, Keisuke Nishimura, Soshi Takahashi, Goichi Kageyama, Yasushi Miura, Masahiro Kurosaka, Jun Saegusa, Shunichi Kumagai
In rheumatoid arthritis (RA), synovial fibroblasts (RA-SFs) accumulate in affected joints, where they play roles in inflammation and joint destruction. RA-SFs exhibit tumor-like proliferation and are resistant to apoptosis. Although RA-SF activation is well described, negative regulators of RA-SF activation are unknown. We previously reported that histone deacetylase (HDAC) inhibitors facilitate apoptosis in RA-SFs. Here we found that RA-SFs treated with the HDAC inhibitor Trichostatin A (TSA) exhibited an upregulation of the immediate early response gene X-1 (IEX-1)...
2016: PloS One
https://www.readbyqxmd.com/read/27724948/valproic-acid-ameliorates-coxsackievirus-b3-induced-viral-myocarditis-by-modulating-th17-treg-imbalance
#16
Haibin Jin, Xiaoming Guo
BACKGROUND: Viral myocarditis, which is often caused by coxsackievirus B3 (CVB3), is a serious clinical disorder characterized by excessive myocardial inflammation. Valproic acid (VPA) is described as a histone deacetylase inhibitor that has anti-inflammatory effects in several inflammatory diseases. However, the role and the detailed mechanism of VPA in viral myocarditis remain unclear. METHODS: Experimental CVB3-induced myocarditis was induced in mice by intraperitoneally (i...
October 10, 2016: Virology Journal
https://www.readbyqxmd.com/read/27704212/high-mobility-group-box-1-hmgb1-dual-functions-in-the-cochlear-auditory-neurons-in-response-to-stress
#17
Sabine Ladrech, Jing Wang, Marc Mathieu, Jean-Luc Puel, Marc Lenoir
High mobility group box 1 (HMGB1) is a DNA-binding protein that facilitates gene transcription and may act extracellularly as a late mediator of inflammation. The roles of HMGB1 in the pathogenesis of the spiral ganglion neurons (SGNs) of the cochlea are currently unknown. In the present study, we tested the hypothesis that early phenotypical changes in the SGNs of the amikacin-poisoned rat cochlea are mediated by HMGB1. Our results showed that a marked downregulation of HMGB1 had occurred by completion of amikacin treatment, coinciding with acute damage at the dendrite extremities of the SGNs...
October 4, 2016: Histochemistry and Cell Biology
https://www.readbyqxmd.com/read/27684049/an-orally-administered-butyrate-releasing-derivative-reduces-neutrophil-recruitment-and-inflammation-in-dextran-sulphate-sodium-induced-murine-colitis
#18
Raffaele Simeoli, Giuseppina Mattace Raso, Claudio Pirozzi, Adriano Lama, Anna Santoro, Roberto Russo, Trinidad Montero-Melendez, Roberto Berni Canani, Antonio Calignano, Mauro Perretti, Rosaria Meli
BACKGROUND AND PURPOSE: Butyrate has shown benefits in inflammatory bowel diseases (IBD). However, its oral administration is infrequent due to rancid smell and unpleasant taste. The efficacy of a more palatable butyrate-releasing derivative, N-(1-carbamoyl-2-phenylethyl) butyramide (FBA), was evaluated in a mouse model of colitis induced by dextran sodium sulphate (DSS). EXPERIMENTAL APPROACH: Male 10-week-old BALB/c mice received DSS (2.5%) in drinking water (for 5d) followed by DSS-free water for 7d (DSS group)...
September 29, 2016: British Journal of Pharmacology
https://www.readbyqxmd.com/read/27665119/epigenetic-regulation-of-pro-inflammatory-cytokine-genes-in-lipopolysaccharide-stimulated-peripheral-blood-mononuclear-cells-from-broilers
#19
Jing Shen, Shengru Wu, Wei Guo, Saisai Liang, Xueyuan Li, Xiaojun Yang
Inflammatory response which can be mediated by inflammatory genes, can be induced by pathogenic microorganisms, be associated with enteric diseases and the loss of growth performance in broilers. The understanding of epigenetic regulation of inflammatory genes could help explain the response to infection of microorganisms and inhibit the reaction of inflammation in broilers. This study investigated the effect of histone acetylation by histone deacetylases (HDAC) inhibitors trichostain A (TSA) and DNA methylation by demethylation agent 5-Aza-2'-deoxycytidine (AZA) and methyl donor methionine (Met) and folic acid (FA) on the expression of pro-inflammatory cytokines in lipopolysaccharide (LPS)-stimulated peripheral blood mononuclear cells (PBMC) from healthy broilers...
September 18, 2016: Immunobiology
https://www.readbyqxmd.com/read/27650558/age-associated-sirtuin-1-reduction-in-vascular-smooth-muscle-links-vascular-senescence-and-inflammation-to-abdominal-aortic-aneurysm
#20
Hou-Zao Chen, Fang Wang, Peng Gao, Jian-Fei Pei, Yue Liu, Ting-Ting Xu, Xiaoqiang Tang, Wen-Yan Fu, Jie Lu, Yun-Fei Yan, Xiao-Man Wang, Lei Han, Zhu-Qin Zhang, Ran Zhang, Ming-Hui Zou, De-Pei Liu
RATIONALE: Uncontrolled growth of abdominal aortic aneurysms (AAAs) is a life-threatening vascular disease without an effective pharmaceutical treatment. AAA incidence dramatically increases with advancing age in men. However, the molecular mechanisms by which aging predisposes individuals to AAAs remain unknown. OBJECTIVE: In this study, we investigated the role of SIRT1 (Sirtuin 1), a class III histone deacetylase, in AAA formation and the underlying mechanisms linking vascular senescence and inflammation...
October 28, 2016: Circulation Research
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