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histone deacetylase inflammation

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https://www.readbyqxmd.com/read/28078853/oxidative-stress-in-asthma-a-distinct-clinical-and-pathologic-feature
#1
Y Li, G P Li
Asthma is a type of chronic airway inflammation. Corticosteroids are inadequate for asthma therapy. However, it remains unclear whether oxidative stress is a distinct clinical and pathologic feature in asthma. We reviewed the articles on asthma-associated oxidative stress. The exposures to airborne allergens, such as house dust mite (HDM) and birch pollen, may not only trigger innate and adaptive immune responses but also cause oxidative stress damage in the airways. Allergen-induced reactive oxygen species (ROS) is involved in p38 MAPK, phosphoinositide-3-kinase (PI3K)/Akt and nuclear factor erythroid 2-related factor (Nrf2) kinase pathway signaling...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28035377/histone-deacetylases-meet-microrna-associated-mmp-9-expression-regulation-in-glucocorticoid-sensitive-and-resistant-cell-lines
#2
Marwa Hentati-Kallel, Sébastien Le Jan, Philippe Bernard, Frank Antonicelli, Aurélie Trussardi-Régnier
Glucocorticoids are largely used in the treatment of inflammatory pathologies and/or hematological malignancies and regulate the expression of a variety of genes involved in inflammation or metastasis such as matrix metalloproteinases (MMP). Long-term exposure to glucocorticoids can result in failure of responsiveness, which is often associated with an unwanted gene expression. Epigenetic mechanisms are involved in gene expression modulated after development of glucocorticoid resistance but how these mechanisms take place must be further studied...
December 30, 2016: International Journal of Oncology
https://www.readbyqxmd.com/read/28012970/isoliquiritigenin-inhibits-tnf-%C3%AE-induced-release-of-high-mobility-group-box-1-through-activation-of-hdac-in-human-intestinal-epithelial-ht-29-cells
#3
Jin-Hua Chi, Geom Seog Seo, Jae Hee Cheon, Sung Hee Lee
The suppression of pro-inflammatory cytokine-induced inflammation responses is an attractive pharmacological target for the development of therapeutic strategies for inflammatory bowel disease (IBD). In the present study, we evaluated the anti-inflammatory properties of flavonoid isoliquiritigenin (ISL) in intestinal epithelial cells and determined its mechanism of action. ISL suppressed the expression of inflammatory molecules, including IL-8, IL-1β and COX-2, in TNF-α-stimulated HT-29 cells. Moreover, ISL induced activation of Nrf2 and expression of its target genes, such as HO-1 and NQO1...
December 21, 2016: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28008797/irf8-is-the-target-of-sirt1-for-the-inflammation-response-in-macrophages
#4
Yanhui Jia, Shichao Han, Jun Li, Hongtao Wang, Jiaqi Liu, Na Li, Xuekang Yang, Jihong Shi, Juntao Han, Yan Li, Xiaozhi Bai, Linlin Su, Dahai Hu
The type III histone deacetylase SIRT1 has recently emerged as a critical immune regulator by suppressing T-cell immunity and macrophage activation during inflammation, but its mechanism in regulating inflammatory response in macrophages remains unclear. Here we show that the expression of SIRT1 in macrophage cells decreased following the release of inflammation cytokines when the cells were stimulated with LPS. IRF8, an important regulator in monocyte differentiation and macrophage polarization, showed the opposite trend, with SIRT1 expression levels increasing after the cells treated with LPS...
January 1, 2016: Innate Immunity
https://www.readbyqxmd.com/read/27995963/histone-deacetylase-inhibitors-mediate-dna-damage-repair-in-ameliorating-hemorrhagic-cystitis
#5
Subhash Haldar, Christopher Dru, Rajeev Mishra, Manisha Tripathi, Frank Duong, Bryan Angara, Ana Fernandez, Moshe Arditi, Neil A Bhowmick
Hemorrhagic cystitis is an inflammatory and ulcerative bladder condition associated with systemic chemotherapeutics, like cyclophosphomide. Earlier, we reported reactive oxygen species resulting from cyclophosphamide metabolite, acrolein, causes global methylation followed by silencing of DNA damage repair genes. Ogg1 (8-oxoguanine DNA glycosylase) is one such silenced base excision repair enzyme that can restore DNA integrity. The accumulation of DNA damage results in subsequent inflammation associated with pyroptotic death of bladder smooth muscle cells...
December 20, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27993690/a-seasonal-switch-in-histone-deacetylase-gene-expression-in-the-hypothalamus-and-their-capacity-to-modulate-nuclear-signaling-pathways
#6
Patrick N Stoney, Diana Rodrigues, Gisela Helfer, Thabat Khatib, Anna Ashton, Elizabeth A Hay, Robert Starr, Dagmara Kociszewska, Peter Morgan, Peter McCaffery
Seasonal animals undergo changes in physiology and behavior between summer and winter conditions. These changes are in part driven by a switch in a series of hypothalamic genes under transcriptional control by hormones and, of recent interest, inflammatory factors. Crucial to the control of transcription are histone deacetylases (HDACs), generally acting to repress transcription by local histone modification. Seasonal changes in hypothalamic HDAC transcripts were investigated in photoperiod-sensitive F344 rats by altering the day-length (photoperiod)...
December 18, 2016: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/27967209/cluster-of-differentiation-36-deficiency-aggravates-macrophage-infiltration-and-hepatic-inflammation-by-upregulating-monocyte-chemotactic-protein-1-expression-of-hepatocytes-through-histone-deacetylase-2-dependent-pathway
#7
Shan Zhong, Lei Zhao, Yan Wang, Chang Zhang, Jun Liu, Pei Wang, Wei Zhou, Ping Yang, Zac Varghese, John F Moorhead, Yaxi Chen, Xiong Z Ruan
AIMS: Cluster of differentiation 36 (CD36) is involved in the development of nonalcoholic steatohepatitis (NASH). Excess CD36 facilitates liver cells taking fatty acid and activates inflammatory signals to promote hepatic steatosis and inflammation. However, CD36 deficiency paradoxically promotes nonalcoholic fatty liver disease by unknown mechanisms. We explored the probable molecular mechanism of hepatic inflammation induced by CD36 deficiency. RESULTS: CD36 deletion in mice (CD36(-/-) mice) specifically increased monocyte chemotactic protein-1 (MCP-1) in hepatocytes, promoted macrophage migration to the liver, and aggravated hepatic inflammatory response and fibrosis...
January 10, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/27956075/natural-product-htp-screening-for-attenuation-of-cytokine-induced-neutrophil-chemo-attractants-cincs-and-no2-in-lps-ifn%C3%AE-activated-glioma-cells
#8
Elizabeth A Mazzio, David Bauer, Patricia Mendonca, Equar Taka, Karam F A Soliman
Chronic and acute central nervous system (CNS) inflammation are contributors toward neurological injury associated with head trauma, stroke, infection, Parkinsons or Alzheimers disease. CNS inflammatory illnesses can also contribute toward risk of developing glioblastoma multiforme (GBM). With growing public interest in complementary and alternative medicines (CAMs), we conduct a high throughput (HTP) screening of >1400 natural herbs, plants and over the counter (OTC) products for anti-inflammatory effects on lipopolysaccharide (LPS)/interferon gamma (IFNγ) activated C6 glioma cells...
January 15, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/27925185/effects-of-carbocysteine-and-beclomethasone-on-histone-acetylation-deacetylation-processes-in-cigarette-smoke-exposed-bronchial-epithelial-cells
#9
E Pace, S Di Vincenzo, M Ferraro, L Siena, G Chiappara, P Dino, P Vitulo, A Bertani, F Saibene, L Lanata, M Gjomarkaj
Histone deacetylase expression/activity may control inflammation, cell senescence, and responses to corticosteroids. Cigarette smoke exposure, increasing oxidative stress, may negatively affect deacetylase expression/activity. The effects of cigarette smoke extracts (CSE), carbocysteine, and beclomethasone dipropionate on chromatin remodelling processes in human bronchial epithelial cells are largely unknown. The present study was aimed to assess the effects of cigarette smoke, carbocysteine, and beclomethasone dipropionate on histone deacetylase 3 (HDAC3) expression/activity, N-CoR (nuclear receptor corepressor) expression, histone acetyltransferases (HAT) (p300/CBP) expression, p-CREB and IL-1 m-RNA expression, neutrophil chemotaxis...
December 7, 2016: Journal of Cellular Physiology
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
#10
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...
January 2017: 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
#11
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...
December 1, 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
#12
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
#13
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
#14
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
#15
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...
December 13, 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
#16
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 dextran sodium sulfate (DSS) colitis. Control and acute DSS-colitis mice were treated with BML-281 (1 mg/kg per day s...
January 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/27826689/%C3%AE-hydroxybutyrate-in-the-brain-one-molecule-multiple-mechanisms
#17
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
#18
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
#19
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
#20
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...
2017: Journal of Endocrinology
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