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histone deacetylase cardiovascular

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https://www.readbyqxmd.com/read/28634176/impact-of-glycemic-variability-on-chromatin-remodeling-oxidative-stress-and-endothelial-dysfunction-in-type-2-diabetic-patients-with-target-hba1c-levels
#1
Sarah Costantino, Francesco Paneni, Rodolfo Battista, Lorenzo Castello, Giuliana Capretti, Sergio Chiandotto, Luigi Tanese, Giulio Russo, Dario Pitocco, Gaetano A Lanza, Massimo Volpe, Thomas F Lüscher, Francesco Cosentino
Intensive glycemic control (IGC) targeting HbA1c fails to show an unequivocal reduction of macrovascular complications in type 2 diabetes (T2D), however the underlining mechanisms remain elusive. Epigenetic changes are emerging as important mediators of cardiovascular damage and may play a role in this setting. This study investigates whether epigenetic regulation of the adaptor protein p66(Shc), a key driver of mitochondrial oxidative stress, contributes to persistent vascular dysfunction in T2D patients despite IGC...
June 20, 2017: Diabetes
https://www.readbyqxmd.com/read/28610961/histone-acetylation-favours-the-cardiovascular-commitment-of-adipose-tissue-derived-stromal-cells
#2
Elena De Falco, Antonella Bordin, Eleonora Scaccia, Francesca Pagano, Mohsen Ibrahim, Leonardo Schirone, Francesco Angelini, Silvia Palmerio, Michele Madonna, Luca Fianchini, Isotta Chimenti, Sebastiano Sciarretta, Giacomo Frati
BACKGROUND: Although adipose stromal cells (ASCs) retain the ability to transdifferentiate at low rate towards the cardiac lineage, the potential mechanisms underlying such process have still to be elucidated. METHODS: Since chromatin state modifications are involved in several processes regulating the cellular cell fate commitment, we aimed at evaluating the role of histone protein acetylation in the cardiovascular-like transdifferentiation of ASCs. RESULTS: We found a clear increase of histone 3 acetylation status paralleled by a significant upregulation of cardiac TnI gene expression, in ASCs treated with the conditioned medium of primary cardiomyocyte cell cultures for 72h...
June 2, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28576976/pleiotropic-and-adverse-effects-of-statins-do-epigenetics-play-a-role
#3
Stephanie C Allen, Cyril Ds Mamotte
Statins are widely used to prevent major cardiovascular events through the lowering of serum cholesterol. There is evidence that statins have pleiotropic effects, that is cholesterol-independent effects, that may also confer protection from cardiovascular disease and potentially numerous other pathologies including cancer. Statins also have a number of well described adverse effects including myopathy, rhabdomyolysis, liver damage and type 2 diabetes. This paper examines the evidence of epigenetic modifications as a contributory factor to the pleiotropic and adverse effects of statins...
June 2, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/28516248/environmental-toxicants-incidence-of-degenerative-diseases-and-therapies-from-the-epigenetic-point-of-view
#4
REVIEW
Mahshid Hodjat, Soheila Rahmani, Fazlullah Khan, Kamal Niaz, Mona Navaei-Nigjeh, Solmaz Mohammadi Nejad, Mohammad Abdollahi
Epigenotoxicology is an emerging field of study that investigates the non-genotoxic epigenetic effects of environmental toxicants resulting in alteration of normal gene expression and disruption of cell function. Recent findings on the role of toxicant-induced epigenetic modifications in the development of degenerative diseases have opened up a promising research direction to explore epigenetic therapy approaches and related prognostic biomarkers. In this review, we presented comprehensive data on epigenetic alterations identified in various diseases, including cancer, autoimmune disorders, pulmonary conditions as well as cardiovascular, gastrointestinal and bone disease...
May 17, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/28498815/the-optimization-of-cell-therapy-by-combinational-application-with-apicidin-treated-mesenchymal-stem-cells-after-myocardial-infarction
#5
Dong Im Cho, Wan Seok Kang, Moon Hwa Hong, Hye Jin Kang, Mi Ra Kim, Min Chul Kim, Yong Sook Kim, Youngkeun Ahn
Although mesenchymal stem cells (MSC) have been shown to be safe in preclinical studies of cardiovascular disease, multiple meta-analyses have debated whether functional improvement is significant or not. The cardiac differentiation from MSC is achievable using cardiogenic factors, however, the high cost and long culture period may limit the applications. Here, we developed a novel method to optimize the therapeutic outcome for myocardial infarction (MI). Treatment of MSC with apicidin, a histone deacetylase inhibitor, dramatically increased the expressions of cardiac markers such as GATA4, Nkx2...
April 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28485540/proteinase-activated-receptor-2-modulates-ve-cadherin-expression-to-affect-human-vascular-endothelial-barrier-function
#6
Rui Zhang, Jianjun Ge
Published data indicate that the protease-activated receptor (PAR) 2 is involved in the pathogenesis of some cardiovascular diseases; the underlying mechanism is to be further investigated. Ve-cadherin is a critical molecule in maintaining the endothelial barrier integrity. This study aims to investigate the role of PAR2 activation in compromising the cardiac endothelial barrier function. In this study, human umbilical vein endothelial cells (Huvec cells) were cultured into monolayers using as an in vitro model of barrier function...
May 9, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28439316/epigenetic-assays-for-chemical-biology-and-drug-discovery
#7
REVIEW
Sheraz Gul
The implication of epigenetic abnormalities in many diseases and the approval of a number of compounds that modulate specific epigenetic targets in a therapeutically relevant manner in cancer specifically confirms that some of these targets are druggable by small molecules. Furthermore, a number of compounds are currently in clinical trials for other diseases including cardiovascular, neurological and metabolic disorders. Despite these advances, the approved treatments for cancer only extend progression-free survival for a relatively short time and being associated with significant side effects...
2017: Clinical Epigenetics
https://www.readbyqxmd.com/read/28382690/epigallocatechin-gallate-reverses-ctni-low-expression-induced-age-related-heart-diastolic-dysfunction-through-histone-acetylation-modification
#8
Bo Pan, Junjun Quan, Lingjuan Liu, Zhongwei Xu, Jing Zhu, Xupei Huang, Jie Tian
Cardiac diastolic dysfunction (CDD) is the most common form of cardiovascular disorders, especially in elderly people. Cardiac troponin I (cTnI) plays a critical role in the regulation of cardiac function, especially diastolic function. Our previous studies showed that cTnI-low expression induced by histone acetylation modification might be one of the causes that result in diastolic dysfunction in ageing hearts. This study was designed to investigate whether epigallocatechin-3-gallate (EGCG) would modify histone acetylation events to regulate cTnI expression and then improve cardiac functions in ageing mice...
April 6, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28191472/suppression-of-excessive-histone-deacetylases-activity-in-diabetic-hearts-attenuates-myocardial-ischemia-reperfusion-injury-via-mitochondria-apoptosis-pathway
#9
Yang Wu, Yan Leng, Qingtao Meng, Rui Xue, Bo Zhao, Liying Zhan, Zhongyuan Xia
Background. Histone deacetylases (HDACs) play a pivotal role in signaling modification and gene transcriptional regulation that are essential for cardiovascular pathophysiology. Diabetic hearts with higher HDACs activity were more vulnerable to myocardial ischemia/reperfusion (MI/R) injury compared with nondiabetic hearts. We are curious about whether suppression of excessive HDACs activity in diabetic heart protects against MI/R injury. Methods. Diabetic rats were subjected to 45 min of ischemia, followed by 3 h of reperfusion...
2017: Journal of Diabetes Research
https://www.readbyqxmd.com/read/28188215/cystathionine-%C3%AE-lyase-protects-vascular-endothelium-a-role-for-inhibition-of-histone-deacetylase-6
#10
Thorsten M Leucker, Yohei Nomura, Jae Hyung Kim, Anil Bhatta, Victor Wang, Andrea Wecker, Sandeep Jandu, Lakshmi Santhanam, Dan Berkowitz, Lewis Romer, Deepesh Pandey
Endothelial cystathionine γ-lyase (CSEγ) contributes to cardiovascular homeostasis, mainly through production of H2S. However, the molecular mechanisms that control CSEγ gene expression in the endothelium during cardiovascular diseases are unclear. The aim of the current study is to determine the role of specific histone deacetylases (HDACs) in the regulation of endothelial CSEγ. Reduced CSEγ mRNA expression and protein abundance were observed in human aortic endothelial cells (HAEC) exposed to oxidized LDL (OxLDL) and in aortas from atherogenic apolipoprotein E knockout (ApoE(-/-)) mice fed a high-fat diet compared with controls...
April 1, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28056545/histone-deacetylase-high-mobility-group-box-1-pathway-targeted-by-hypaconitine-suppresses-the-apoptosis-of-endothelial-cells
#11
Ye Bai, Shaohui Du, Fei Li, Fengyuan Huang, Rudong Deng, Jianhong Zhou, Dongfeng Chen
Hypaconitine is an active component of Aconitum carmichaelii Debx, a Chinese medicinal herb for the treatment of cardiovascular diseases, but the mechanism underlying its effect remains elusive. In this study, we found that hypaconitine, rather than aconitum alkaloids in A. carmichaelii (e.g. aconitine, mesaconitine and benzoylaconitine), prevented endothelial cells from damage due to oxidized low-density lipoprotein (oxLDL) challenge. Cleaved caspase 3 expression in endothelial cells was up-regulated by oxLDL and markedly attenuated by hypaconitine, suggesting that hypaconitine inhibited the oxLDL-induced cell apoptosis...
March 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28019030/histone-deacetylase-inhibitors-suppress-abo-transcription-in-vitro-leading-to-reduced-expression-of-the-antigens
#12
Yoichiro Takahashi, Rieko Kubo, Rie Sano, Tamiko Nakajima, Keiko Takahashi, Momoko Kobayashi, Hiroshi Handa, Junichi Tsukada, Yoshihiko Kominato
BACKGROUND: The ABO system is of fundamental importance in the fields of transfusion and transplantation and has apparent associations with certain diseases, including cardiovascular disorders. ABO expression is reduced in the late phase of erythroid differentiation in vitro, whereas histone deacetylase inhibitors (HDACIs) are known to promote cell differentiation. Therefore, whether or not HDACIs could reduce the amount of ABO transcripts and A or B antigens is an intriguing issue. STUDY DESIGN AND METHODS: Quantitative polymerase chain reactions were carried out for the ABO transcripts in erythroid-lineage K562 and epithelial-lineage KATOIII cells after incubation with HDACIs, such as sodium butyrate, panobinostat, vorinostat, and sodium valproate...
March 2017: Transfusion
https://www.readbyqxmd.com/read/27928959/potential-application-of-5-aryl-substituted-2-amino-benzamide-type-of-hdac1-2-selective-inhibitors-to-pharmaceuticals
#13
Shinichi Uesato, Yoshiyuki Hirata, Tsutomu Sasaki
Diverse histone deacetylase (HDAC) inhibitors have been developed to date. They control not only histone modification but also gene expression of diverse proteins and thus are expected to provide useful therapeutic effects on various diseases, including cancers, psychiatric and cognitive disorders and neurodegenerative diseases, as well as cardiovascular and diabetic diseases. Some isoform-nonselective HDAC inhibitors have been successfully used for clinical treatments of the haematological malignancies, including advanced forms of cutaneous T-cell lymphoma, refractory peripheral T-cell lymphoma and multiple myeloma...
December 8, 2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/27852009/treatment-of-cardiovascular-pathology-with-epigenetically-active-agents-focus-on-natural-and-synthetic-inhibitors-of-dna-methylation-and-histone-deacetylation
#14
REVIEW
Dimitry A Chistiakov, Alexander N Orekhov, Yuri V Bobryshev
Cardiovascular disease (CVD) retains a leadership as a major cause of human death worldwide. Although a substantial progress was attained in the development of cardioprotective and vasculoprotective drugs, a search for new efficient therapeutic strategies and promising targets is under way. Modulation of epigenetic CVD mechanisms through administration epigenetically active agents is one of such new approaches. Epigenetic mechanisms involve heritable changes in gene expression that are not linked to the alteration of DNA sequence...
January 15, 2017: International Journal of Cardiology
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
#15
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/27754028/yia-03-04-epigenetic-changes-after-acute-treatment-with-acute-angiotensin-converting-enzyme-inhibitors-acei
#16
Nathan De Vries, Priscilla Prestes, Indrajeet Rana, Stephen B Harrap, Fadi J Charchar
OBJECTIVE: The 'legacy effect' of hypertension treatment is where short term treatment with blood pressure (BP) lowering drugs such as angiotensin converting enzyme inhibitors (ACEi) is followed by a persistent reduction in BP, reduced cardiovascular complications and increased lifespan. However, the involvement of epigenetics mechanisms remains unclear. DNA methylation is the binding of a methyl group to DNA which inhibits gene transcription. The aim of this study is to investigate DNA methylation changes after short term treatment with ACEi...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27646843/ricolinostat-plus-lenalidomide-and-dexamethasone-in-relapsed-or-refractory-multiple-myeloma-a-multicentre-phase-1b-trial
#17
MULTICENTER STUDY
Andrew J Yee, William I Bensinger, Jeffrey G Supko, Peter M Voorhees, Jesus G Berdeja, Paul G Richardson, Edward N Libby, Ellen E Wallace, Nicole E Birrer, Jill N Burke, David L Tamang, Min Yang, Simon S Jones, Catherine A Wheeler, Robert J Markelewicz, Noopur S Raje
BACKGROUND: Histone deacetylase (HDAC) inhibitors are an important new class of therapeutics for treating multiple myeloma. Ricolinostat (ACY-1215) is the first oral selective HDAC6 inhibitor with reduced class I HDAC activity to be studied clinically. Motivated by findings from preclinical studies showing potent synergistic activity with ricolinostat and lenalidomide, our goal was to assess the safety and preliminary activity of the combination of ricolinostat with lenalidomide and dexamethasone in relapsed or refractory multiple myeloma...
November 2016: Lancet Oncology
https://www.readbyqxmd.com/read/27643268/sy-17-1-dynamic-regulation-of-redox-regulating-factor-ape1-ref-1-on-the-oxidative-stress-and-vascular-inflammation
#18
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/27642946/yia-03-04-epigenetic-changes-after-acute-treatment-with-acute-angiotensin-converting-enzyme-inhibitors-acei
#19
Nathan De Vries, Priscilla Prestes, Indrajeet Rana, Stephen B Harrap, Fadi J Charchar
OBJECTIVE: The 'legacy effect' of hypertension treatment is where short term treatment with blood pressure (BP) lowering drugs such as angiotensin converting enzyme inhibitors (ACEi) is followed by a persistent reduction in BP, reduced cardiovascular complications and increased lifespan. However, the involvement of epigenetics mechanisms remains unclear. DNA methylation is the binding of a methyl group to DNA which inhibits gene transcription. The aim of this study is to investigate DNA methylation changes after short term treatment with ACEi...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27620069/histone-deacetylase-inhibitors-future-therapeutics-for-insulin-resistance-and-type-2-diabetes
#20
Sorabh Sharma, Rajeev Taliyan
Insulin resistance is a common feature of obesity and predisposes the affected individuals to a variety of pathologies, including type 2 diabetes mellitus (T2DM), dyslipidemias, hypertension, cardiovascular disease etc. Insulin resistance is the primary cause of T2DM and it occurs many years before the disease onset. Although Thiazolidinediones (TZDs) such as rosiglitazone and pioglitazone are outstanding insulin sensitizers and are in clinical use since 1990s, however, their serious side effects such as heart attack and bladder cancer have limited their utilization...
September 9, 2016: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
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