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histone deacetylase vascular

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https://www.readbyqxmd.com/read/29138868/hdac-inhibitor-lmk%C3%A2-235-promotes-the-odontoblast-differentiation-of-dental-pulp-cells
#1
Zhao Liu, Ting Chen, Qianqian Han, Ming Chen, Jie You, Fuchun Fang, Ling Peng, Buling Wu
The role of dental pulp cells (DPCs) in hard dental tissue regeneration had received increasing attention because DPCs can differentiate into odontoblasts and other tissue‑specific cells. In recent years, epigenetic modifications had been identified to serve an important role in cell differentiation, and histone deacetylase (HDAC) inhibitors have been widely studied by many researchers. However, the effects of HDAC4 and HDAC5 on the differentiation of DPCs and the precise molecular mechanisms remain unclear...
November 14, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29117507/zingerone-protects-keratinocyte-stem-cells-from-uvb-induced-damage
#2
Jienny Lee, Sae Woong Oh, Seoung Woo Shin, Kyung-Woo Lee, Jae-Youl Cho, Jongsung Lee
The epidermis, the outermost layer of the skin, is a stratified epithelium that protects the body from the external environment. Keratinocyte stem cells (KSCs) are involved in epidermis homeostasis by maintaining epidermal integrity through a process of constant regeneration. Ultraviolet B (UVB) radiation is a major inducer of cellular damage in the epidermis. In this study, we investigated the effects of zingerone (a phenolic compound derived from spices) on UVB-induced cellular damage in KSCs. We found that zingerone significantly inhibited cellular senescence of KSCs in response to UVB irradiation...
November 5, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29049850/-epigenetic-control-of-early-neurodegenerative-events-in-diabetic-retinopathy-by-the-histone-deacetylase-sirt6
#3
María A Zorrilla-Zubilete, Ada Yeste, Francisco J Quintana, Debra Toiber, Raul Mostoslavsky, Dafne M Silberman
Diabetic retinopathy (DR) is one of the common complications associated with diabetes mellitus (DM) and the leading cause of blindness worldwide. Recent research has demonstrated that DR is not only a microvascular disease but may be a result of neurodegenerative processes. Moreover, glucose-induced neuron and glial cell damage may occur shortly after the onset of diabetes which makes the disease hard to diagnose at early stages. SIRT6, a NAD-dependent sirtuin deacylase, modulates aging, energy metabolism and neurodegeneration...
October 19, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/29035278/hdac3-regulates-lymphovenous-and-lymphatic-valve-formation
#4
Harish P Janardhan, Zachary J Milstone, Masahiro Shin, Nathan D Lawson, John F Keaney, Chinmay M Trivedi
Lymphedema, the most common lymphatic anomaly, involves defective lymphatic valve development; yet the epigenetic modifiers underlying lymphatic valve morphogenesis remain elusive. Here, we showed that during mouse development, the histone-modifying enzyme histone deacetylase 3 (Hdac3) regulates the formation of both lymphovenous valves, which maintain the separation of the blood and lymphatic vascular systems, and the lymphatic valves. Endothelium-specific ablation of Hdac3 in mice led to blood-filled lymphatic vessels, edema, defective lymphovenous valve morphogenesis, improper lymphatic drainage, defective lymphatic valve maturation, and complete lethality...
October 16, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28972001/the-metabolic-and-proliferative-state-of-vascular-adventitial-fibroblasts-in-pulmonary-hypertension-is-regulated-through-a-mir-124-ptbp1-pkm-axis
#5
Hui Zhang, Daren Wang, Min Li, Lydie Plecitá-Hlavatá, Angelo D'Alessandro, Jan Tauber, Suzette Riddle, Sushil Kumar, Amanda R Flockton, B Alexandre McKeon, Maria G Frid, Julie A Reisz, Paola Caruso, Karim C El Kasmi, Petr Ježek, Nicholas W Morrell, Cheng-Jun Hu, Kurt R Stenmark
Background -An emerging "metabolic theory" of pulmonary hypertension (PH) suggests that cellular and mitochondrial metabolic dysfunction underlies the pathology of this disease. We and others have previously demonstrated the existence of hyper-proliferative, apoptosis-resistant, pro-inflammatory adventitial fibroblasts from human and bovine hypertensive pulmonary arterial walls (PH-Fibs) exhibit constitutive reprogramming of glycolytic and mitochondrial metabolism, accompanied by an increased ratio of glucose catabolism through glycolysis versus the TCA cycle...
September 26, 2017: Circulation
https://www.readbyqxmd.com/read/28960024/new-aspects-of-vascular-calcification-histone-deacetylases-and-beyond
#6
REVIEW
Duk Hwa Kwon, Young Kook Kim, Hyun Kook
Vascular calcification is a pathologic phenomenon in which calcium phosphate is ectopically deposited in the arteries. Previously, calcification was considered to be a passive process in response to metabolic diseases, vascular or valvular diseases, or even aging. However, now calcification is recognized as a highly-regulated consequence, like bone formation, and many clinical trials have been carried out to elucidate the correlation between vascular calcification and cardiovascular events and mortality. As a result, vascular calcification has been implicated as an independent risk factor in cardiovascular diseases...
November 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28923781/low-dose-of-alcohol-attenuates-pro-atherosclerotic-activity-of-thrombin
#7
Masaaki Toda, Toshiaki Totoki, Chizu Nakamura, Taro Yasuma, Corina N D' Alessandro-Gabazza, Rumi Mifuji-Moroka, Kota Nishihama, Motoh Iwasa, Noriyuki Horiki, Esteban C Gabazza, Yoshiyuki Takei
BACKGROUND AND AIMS: Thrombin, the active enzyme of the coagulation system, plays a critical role in the pathogenesis of atherosclerosis. Vascular repair promoted by stromal cell-derived factor-1 is a protective process in atherosclerosis. Consumption of low amount of alcohol is believed to reduce the risk of atherosclerotic cardiovascular disease but the mechanism is unclear. This study evaluated whether alcohol can modulate the expression of stromal cell-derived factor-1 and the pro-atherosclerotic activity of thrombin...
September 5, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28915577/vorinostat-suppresses-hypoxia-signaling-by-modulating-nuclear-translocation-of-hypoxia-inducible-factor-1-alpha
#8
Chao Zhang, Chunzhang Yang, Michael J Feldman, Herui Wang, Ying Pang, Dominic M Maggio, Dongwang Zhu, Cody L Nesvick, Pauline Dmitriev, Petra Bullova, Prashant Chittiboina, Roscoe O Brady, Karel Pacak, Zhengping Zhuang
Histone deacetylase inhibitors (HDACis) are a potent class of tumor-suppressive agents traditionally believed to exert their effects through loosening tightly-wound chromatin resulting in de-inhibition of various tumor suppressive genes. Recent literature however has shown altered intratumoral hypoxia signaling with HDACi administration not attributable to changes in chromatin structure. We sought to determine the precise mechanism of HDACi-mediated hypoxia signaling attenuation using vorinostat (SAHA), an FDA-approved class I/IIb/IV HDACi...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28886276/systems-approach-to-the-pharmacological-actions-of-hdac-inhibitors-reveals-ep300-activities-and-convergent-mechanisms-of-regulation-in-diabetes
#9
Haloom Rafehi, Antony Kaspi, Mark Ziemann, Jun Okabe, Tom C Karagiannis, Assam El-Osta
Given the skyrocketing costs to develop new drugs, repositioning of approved drugs, such as histone deacetylase (HDAC) inhibitors, may be a promising strategy to develop novel therapies. However, a gap exists in the understanding and advancement of these agents to meaningful translation for which new indications may emerge. To address this, we performed systems-level analyses of 33 independent HDAC inhibitor microarray studies. Based on network analysis, we identified enrichment for pathways implicated in metabolic syndrome and diabetes (insulin receptor signaling, lipid metabolism, immunity and trafficking)...
September 8, 2017: Epigenetics: Official Journal of the DNA Methylation Society
https://www.readbyqxmd.com/read/28870631/the-sirtuin-family-members-sirt1-sirt3-and-sirt6-their-role-in-vascular-biology-and-atherogenesis
#10
REVIEW
Bożena Sosnowska, Mohsen Mazidi, Peter Penson, Anna Gluba-Brzózka, Jacek Rysz, Maciej Banach
The sirtuins, silent mating-type information regulation 2 (SIRTs), are a family of nicotinamide adenine dinucleotide (NAD(+))-dependent histone deacetylases with important roles in regulating energy metabolism and senescence. Activation of SIRTs appears to have beneficial effects on lipid metabolism and antioxidants, prompting investigation of the roles of these proteins in atherogenesis. Although clinical data are currently limited, the availability and safety of SIRT activators such as metformin and resveratrol provide an excellent opportunity to conduct research to better understand the role of SIRTs in human atherosclerosis...
August 26, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28860353/histone-deacetylase-inhibitors-relax-mouse-aorta-partly-through-their-inhibitory-action-on-l-type-ca-2-channels
#11
Changbo Zheng, Mingkui Zhong, Zenghua Qi, Fan Shen, Qiannan Zhao, Lulu Wu, Yu Huang, Suk-Ying Tsang, Xiaoqiang Yao
Histone deacetylase (HDAC) inhibitors modulate acetylation/deacetylation of histone and nonhistone proteins. They have been widely used for cancer treatment. However, there have been only a few studies investigating the effect of HDAC inhibitors on vascular tone regulation, most of which employed chronic treatment with HDAC inhibitors. In the present study, we found that two hydroxamate-based pan-HDAC inhibitors, suberoylanilide hydroxamic acid (SAHA) and trichostatin A (TSA), could partially but acutely relax high extracellular K(+)-contracted mouse aortas...
November 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/28751803/cape-increases-the-expression-of-sod3-through-epigenetics-in-human-retinal-endothelial-cells
#12
Atsuko Ohashi, Hiroyuki Yasuda, Tetsuro Kamiya, Hirokazu Hara, Tetsuo Adachi
Extracellular-superoxide dismutase (EC-SOD or SOD3), which catalyzes the dismutation of superoxide anions into hydrogen peroxide, plays a key role in vascular protection against reactive oxygen species (ROS). The excess generation of ROS is closely involved in the pathogenesis of diabetic retinopathy (DR); therefore, the maintenance of SOD3 expression at high levels is important for the prevention of DR. In the present study, we showed that caffeic acid phenethyl ester (CAPE) increased the expression of SOD3 through the acetylation of histone within the SOD3 promoter region in human retinal endothelial cells (HRECs)...
July 2017: Journal of Clinical Biochemistry and Nutrition
https://www.readbyqxmd.com/read/28693255/sodium-butyrate-enhances-the-growth-inhibitory-effect-of-sunitinib-in-human-renal-cell-carcinoma-cells
#13
Hiromi Sato, Miaki Uzu, Tatsuro Kashiba, Rina Suzuki, Takuya Fujiwara, Hiroko Okuzawa, Koichi Ueno
Sunitinib (SU) is a small molecule that inhibits the receptor tyrosine kinase (RTK) signaling pathway, and has been clinically used to treat advanced renal cell carcinoma (RCC). However, SU is not always effective as RCC is a highly chemoresistant type of cancer. One of the factors that confer chemoresistance to RCC is a hypoxic condition. Lack of oxygen activates hypoxia-inducible factor (HIF) protein, which is followed by the upregulation of growth factors, including vascular endothelial growth factor and activation of the RTK signaling pathway...
July 2017: Oncology Letters
https://www.readbyqxmd.com/read/28685689/arylurea-derivatives-a-class-of-potential-cancer-targeting-agents
#14
Jia-Nian Chen, De-Wen Wu, Ting Li, Kang-Jian Yang, Li Cheng, Zu-Ping Zhou, Shi-Ming Pu, Wan-Hua Lin
Arylurea derivatives, an important class of small molecules, have received considerable attention in recent years due to their wide range of biological applications. Various molecular targeted agents with arylurea scaffold as potential enzyme/receptor inhibitors were constructed with the successful development of sorafenib and regorafenib. This review focuses on those arylureas possessing anti-cancer activities from 2010 to date. According to their different mechanisms of action, these arylureas are divided into the following six categories: (1) Ras/Raf/MEK/ERK signaling pathway inhibitors; (2) tumor angiogenesis inhibitors, their targets include vascular endothelial growth factor receptors (VEGFRs), fibroblast growth factor receptors (FGFRs), platelet-derived growth factor receptors (PDGFRs), epidermal growth factor receptors (EGFRs), insulin-like growth factor 1 receptor (IGF-1R), Fms-like tyrosine kinase 3 (FLT3), c-Kit, MET, and Smoothened (Smo); (3) PI3K/AKT/mTOR signaling pathway inhibitors; (4) cell cycle inhibitors, their targets include checkpoint kinases (Chks), cyclin-dependent kinases (CDKs), Aurora, SUMO activating enzyme 1 (SUMO E1), tubulin, and DNA; (5) tumor differentiation, migration, and invasion inhibitors, their targets include matrix metalloproteinases (MMPs), LIM kinase (Limk), nicotinamide phosphoribosyltransferase (Nampt), and histone deacetylase (HDAC); (6) arylureas from the rational modification of natural products...
July 7, 2017: Current Topics in Medicinal Chemistry
https://www.readbyqxmd.com/read/28674407/hdac6-a-novel-histone-deacetylase-implicated-in-pulmonary-arterial-hypertension
#15
Olivier Boucherat, Sophie Chabot, Roxane Paulin, Isabelle Trinh, Alice Bourgeois, François Potus, Marie-Claude Lampron, Caroline Lambert, Sandra Breuils-Bonnet, Valérie Nadeau, Renée Paradis, Elena A Goncharova, Steeve Provencher, Sébastien Bonnet
Pulmonary arterial hypertension (PAH) is a vascular remodeling disease with limited therapeutic options. Although exposed to stressful conditions, pulmonary artery (PA) smooth muscle cells (PASMCs) exhibit a "cancer-like" pro-proliferative and anti-apoptotic phenotype. HDAC6 is a cytoplasmic histone deacetylase regulating multiple pro-survival mechanisms and overexpressed in response to stress in cancer cells. Due to the similarities between cancer and PAH, we hypothesized that HDAC6 expression is increased in PAH-PASMCs to face stress allowing them to survive and proliferate, thus contributing to vascular remodeling in PAH...
July 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28651835/andrographolide-reduced-vegfa-expression-in-hepatoma-cancer-cells-by-inactivating-hif-1%C3%AE-the-involvement-of-jnk-and-mta1-hdca
#16
Liang Shi, Guoqing Zhang, Zhiyong Zheng, Bin Lu, Lili Ji
Andrographolide (Andro) is the main active compound in medicinal herb Andrographis paniculata Nees (Acanthaceae). Vascular endothelial growth factor A (VEGFA), a key pro-angiogenic factor, contributes greatly to tumor growth. The purpose of this study is to observe the inhibition of Andro on VEGFA expression in hepatoma cancer cells and its engaged mechanism. Andro decreased mRNA and protein expression of VEGFA in hepatoma Hep3B and HepG2 cells. Andro also decreased hypoxia-inducible factor 1-alpha (HIF-1α) protein expression and its subsequent nuclear translocation...
August 1, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28648907/sulfated-dehydropolymer-of-caffeic-acid-in%C3%A2-vitro-anti-lung-cell-death-activity-and-in%C3%A2-vivo-intervention-in-emphysema-induced-by-vegf-receptor-blockade
#17
Tien M Truong, Hua Li, Sneha Dhapare, Umesh R Desai, Nobert F Voelkel, Masahiro Sakagami
Induced lung cell death and impaired hypoxia-inducible factor-1α (HIF-1α) and vascular endothelial growth factor (VEGF) signaling are proposed as a pathobiologic mechanism for alveolar structural destruction and loss in emphysema. We hypothesized that our sulfated dehydropolymer of caffeic acid, CDSO3, exerts anti-cell death activities and therapeutic interventions in emphysema by virtue of Fe(2+) chelation-based HIF-1α/VEGF stabilization and elevation. The Fe(2+) chelating activity was determined in the chromogenic ferrozine-Fe(2+) chelation inhibitory assay...
August 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28634176/impact-of-glycemic-variability-on-chromatin-remodeling-oxidative-stress-and-endothelial-dysfunction-in-patients-with-type-2-diabetes-and-with-target-hba1c-levels
#18
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 underlying mechanisms remain elusive. Epigenetic changes are emerging as important mediators of cardiovascular damage and may play a role in this setting. This study investigated whether epigenetic regulation of the adaptor protein p66(Shc), a key driver of mitochondrial oxidative stress, contributes to persistent vascular dysfunction in patients with T2D despite IGC...
September 2017: Diabetes
https://www.readbyqxmd.com/read/28611287/vorinostat-suppresses-hypoxia-signaling-by-modulating-nuclear-translocation-of-hypoxia-inducible-factor-1-alpha
#19
Chao Zhang, Chunzhang Yang, Michael J Feldman, Herui Wang, Ying Pang, Dominic M Maggio, Dongwang Zhu, Cody L Nesvick, Pauline Dmitriev, Petra Bullova, Prashant Chittiboina, Roscoe O Brady, Karel Pacak, Zhengping Zhuang
Histone deacetylase inhibitors (HDACis) are a potent class of tumor-suppressive agents traditionally believed to exert their effects through loosening tightly-wound chromatin resulting in de-inhibition of various tumor suppressive genes. Recent literature however has shown altered intratumoral hypoxia signaling with HDACi administration not attributable to changes in chromatin structure. We sought to determine the precise mechanism of HDACi-mediated hypoxia signaling attenuation using vorinostat (SAHA), an FDA-approved class I/IIb/IV HDACi...
May 23, 2017: Oncotarget
https://www.readbyqxmd.com/read/28606050/insights-into-the-targeting-potential-of-thymoquinone-for-therapeutic-intervention-against-triple-negative-breast-cancer
#20
Md Abul Barkat, Harshita Abul, Javed Ahmad, Mohammad Ahmed Khan, Sarwar Beg, Farhan Jalees Ahmad
BACKGROUND: Thymoquinone (TQ) is a bioactive phytoconstituent obtained from Nigella sativa (black seeds). It has promising potential in cancer prevention. OBJECTIVE: Previous studies have shown that TQ can modulate signaling pathways responsible for cancer progression, thus enhances the efficacy and improve safety profile of clinically used anticancer drugs. METHOD: TQ acts on cell cycle and inhibits progression from G1 to S phase by targeting various proteins (cyclin D1, cyclin E, and p27)...
June 11, 2017: Current Drug Targets
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