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histone deacetylase vascular

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https://www.readbyqxmd.com/read/28411180/co-expression-of-sall4-with-hdac1-and-or-hdac2-is-associated-with-underexpression-of-pten-and-poor-prognosis-in-patients-with-hepatocellular-carcinoma
#1
Huanlin Wang, Kenichi Kohashi, Tomoharu Yoshizumi, Yukihiko Okumura, Yuki Tanaka, Masahiro Shimokawa, Takeshi Iwasaki, Shinichi Aishima, Yoshihiko Maehara, Yoshinao Oda
Spalt-like transcriptional factor 4 (SALL4), a stem marker, is re-activated in several cancers. A previous study has demonstrated that SALL4 interacts with the nucleosome remodeling deacetylase complex (NuRD), which contains histone deacetylase 1 (HDAC1) and histone deacetylase 2 (HDAC2). In this study we investigated the expression status of SALL4, HDAC1 and HDAC2 and their relationship with phosphatase and tensin homolog deleted on chromosome 10 (PTEN) by immunohistochemical analysis of the post-hepatectomy specimens of 135 patients with hepatocellular carcinoma (HCC) who were treated at our hospital...
April 11, 2017: Human Pathology
https://www.readbyqxmd.com/read/28393178/b1-a-novel-hdac-inhibitor-induces-apoptosis-through-the-regulation-of-stat3-and-nf-%C3%AE%C2%BAb
#2
Meng-Hsuan Cheng, Yun-Hong Wong, Chia-Ming Chang, Chun-Chien Yang, Shih-Hua Chen, Chun-Lung Yuan, Hsiao-Mei Kuo, Chun-Yuh Yang, Hui-Fen Chiu
We previously demonstrated that B1 induced significant cytotoxic effects, cell cycle G1 arrest and apoptosis in human lung cancer A549 cells through the inhibition of DNA topoisomerase II activity. In the present study, we focused on the histone deacetylase (HDAC) modulation of B1 in A549 cells. HDACs, important enzymes affecting epigenetic regulation, play a crucial role in human carcinogenesis. Our findings showed that B1 could suppress the growth of A549 cells in vitro through the inhibition of HDAC activity...
April 7, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28392885/the-transcription-factor-bach1-suppresses-the-developmental-angiogenesis-of-zebrafish
#3
Li Jiang, Meng Yin, Jie Xu, Mengping Jia, Shaoyang Sun, Xu Wang, Jianyi Zhang, Dan Meng
Bach1 disrupts Wnt/β-catenin signaling, reduces the proliferation, migration, and tube formation activity of endothelial cells (ECs), and suppresses angiogenesis in mice with surgically induced hind-limb ischemia (HLI). However, the function of Bach1 during developmental angiogenesis in zebrafish remains unclear. Here, we found that zebrafish Bach1 was expressed ubiquitously during early embryonic development in zebrafish. Bach1b mRNA injection of Tg(fli1:gfp) fish disrupted intersegmental vessels (ISV) and dorsal longitudinal anastomotic vessels (DLAV) and suppressed endogenous Wnt/β-catenin signaling and Wnt8a stimulated vascular endothelial growth factor (VEGF) and interleukin-8 (IL-8) gene expression at early embryonic stages of zebrafish...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28338404/effect-of-histone-deacetylase-inhibitor-butyroyloxymethyl-diethyl-phosphate-an-7-on-corneal-neovascularization-in-a-mouse-model
#4
Michal Schaap-Fogler, Irit Bahar, Ada Rephaeli, Mor Dahbash, Abraham Nudelman, Eitan Livny, Tilda Barliya, Yael Nisgav, Tami Livnat
PURPOSE: To examine whether butyroyloxymethyl-diethyl phosphate (AN-7), a histone deacetylase inhibitor, inhibits chemically induced corneal neovascularization (NV) in mice. METHODS: Corneal NV was induced in the right eye of male C57BL mice by application of a mixture of 75% silver nitrate and 25% potassium nitrate to the corneal center. Immediately thereafter, the mice were randomized into 2 groups, receiving an intraperitoneal injection of AN-7 or saline, which served as control...
March 24, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28266122/histone-deacetylase-inhibitors-promote-enos-expression-in-vascular-smooth-muscle-cells-and-suppress-hypoxia-induced-cell-growth
#5
Xiaoling Tan, Lan Feng, Xiaoyong Huang, Yidong Yang, Chengzhong Yang, Yuqi Gao
Hypoxia stimulates excessive growth of vascular smooth muscle cells (VSMCs) contributing to vascular remodelling. Recent studies have shown that histone deacetylase inhibitors (HDIs) suppress VSMC proliferation and activate eNOS expression. However, the effects of HDI on hypoxia-induced VSMC growth and the role of activated eNOS in VSMCs are unclear. Using an EdU incorporation assay and flow cytometry analysis, we found that the HDIs, butyrate (Bur) and suberoylanilide hydroxamic acid (SAHA) significantly suppressed the proliferation of hypoxic VSMC lines and induced apoptosis...
March 7, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28251925/the-rhogap-protein-arhgap18-senex-localizes-to-microtubules-and-regulates-their-stability-in-endothelial-cells
#6
Michael D Lovelace, Elizabeth E Powter, Paul R Coleman, Yang Zhao, Amelia Parker, Garry H Chang, Angelina J Lay, Julie Hunter, Aaron P McGrath, Mika Jormakka, Patrick Bertolino, Geoffrey McCaughan, Maria Kavallaris, Mathew A Vadas, Jennifer R Gamble
RhoGTPases are important regulators of the cell cytoskeleton, controlling cell shape, migration and proliferation. Previously we showed that ARHGAP18 in endothelial cells is important in cell junctions. Here we show, using structured illumination microscopy (SIM), ground-state depletion (GSD), and total internal reflection fluorescence microscopy (TIRF) that a proportion of ARHGAP18 localizes to microtubules in endothelial cells, as well as in nonendothelial cells, an association confirmed biochemically. In endothelial cells, some ARHGAP18 puncta also colocalized to Weibel-Palade bodies on the microtubules...
April 15, 2017: Molecular Biology of the Cell
https://www.readbyqxmd.com/read/28243027/effects-of-histone-deacetylase-inhibitor-valproic-acid-on-the-expression-of-hypoxia-inducible-factor-1-alpha-in-human-retinal-m%C3%A3-ller-cells
#7
Young Jun Kim, Sang Jun Park, Na Rae Kim, Hee Seung Chin
PURPOSE: To evaluate the effects of valproic acid (VPA), a histone deacetylase inhibitor (HDACI), on the expression of hypoxia-inducible factor-1 alpha (HIF-1α) and vascular endothelial growth factor (VEGF) in human retinal Müller cells under hypoxic conditions. METHODS: Chemical hypoxia was induced in human retinal Müller cells (MIO-M1) by treatment with increasing concentrations of cobalt(II) chloride (CoCl2). Müller cells were also treated with a set concentration of CoCl2, along with various concentrations of VPA...
February 2017: Korean Journal of Ophthalmology: KJO
https://www.readbyqxmd.com/read/28222071/combination-of-the-histone-deacetylase-inhibitor-vorinostat-with-bevacizumab-in-patients-with-clear-cell-renal-cell-carcinoma-a-multicentre-single-arm-phase-i-ii-clinical-trial
#8
Roberto Pili, Glenn Liu, Sreenivasulu Chintala, Hendrick Verheul, Shabnam Rehman, Kristopher Attwood, Martin A Lodge, Richard Wahl, James I Martin, Kiersten Marie Miles, Silvia Paesante, Remi Adelaiye, Alejandro Godoy, Serina King, James Zwiebel, Michael A Carducci
BACKGROUND: Class II histone deacetylase (HDAC) inhibitors induce hypoxia-inducible factor-1 and -2α degradation and have antitumour effects in combination with vascular endothelial growth factor (VEGF) inhibitors. In this study, we tested the safety and efficacy of the HDAC inhibitor vorinostat and the VEGF blocker bevacizumab in metastatic clear-cell renal cell carcinoma (ccRCC) patients previously treated with different drugs including sunitinib, sorafenib, axitinib, interleukin-2, interferon, and temsirolimus...
March 28, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28221861/inhibiting-histone-deacetylase-as-a-means-to-reverse-resistance-to-angiogenesis-inhibitors-phase-i-study-of-abexinostat-plus-pazopanib-in-advanced-solid-tumor-malignancies
#9
Rahul Aggarwal, Scott Thomas, Nela Pawlowska, Imke Bartelink, Jennifer Grabowsky, Thierry Jahan, Amy Cripps, Armand Harb, Jim Leng, Anne Reinert, Ilaria Mastroserio, Thach-Giao Truong, Charles J Ryan, Pamela N Munster
Purpose This phase I trial evaluated epigenetic modulation of vascular endothelial growth factor (VEGF) and hypoxia-inducible factor by using a histone deacetylase abexinostat in combination with pazopanib to enhance response and reverse resistance. Patients and Methods Pazopanib was administered once a day on days 1 to 28 and abexinostat was administered orally twice a day on days 1 to 5, 8 to 12, and 15 to 19 (schedule A) or on days 1 to 4, 8 to 11, and 15 to 18 (schedule B). Dose escalation (3 + 3 design) in all solid tumors was followed by dose expansion in renal cell carcinoma (RCC)...
April 10, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28202489/nicotinamide-phosphoribosyltransferase-promotes-pulmonary-vascular-remodeling-and-is-a-therapeutic-target-in-pulmonary-arterial-hypertension
#10
Jiwang Chen, Justin R Sysol, Sunit Singla, Shuangping Zhao, Aya Yamamura, Daniela Valdez-Jasso, Taimur Abbasi, Krystyna M Shioura, Sakshi Sahni, Vamsi Reddy, Arvind Sridhar, Hui Gao, Jaime Torres, Sara M Camp, Haiyang Tang, Shui Q Ye, Suzy Comhair, Raed Dweik, Paul Hassoun, Jason X-J Yuan, Joe G N Garcia, Roberto F Machado
BACKGROUND: Pulmonary arterial hypertension is a severe and progressive disease, a hallmark of which is pulmonary vascular remodeling. Nicotinamide phosphoribosyltransferase (NAMPT) is a cytozyme that regulates intracellular nicotinamide adenine dinucleotide levels and cellular redox state, regulates histone deacetylases, promotes cell proliferation, and inhibits apoptosis. We hypothesized that NAMPT promotes pulmonary vascular remodeling and that inhibition of NAMPT could attenuate pulmonary hypertension...
April 18, 2017: Circulation
https://www.readbyqxmd.com/read/28188215/cystathionine-%C3%AE-lyase-protects-vascular-endothelium-a-role-for-inhibition-of-histone-deacetylase-6
#11
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/28184324/comparison-of-anticancer-effects-of-carbamazepine-and-valproic-acid
#12
Ladan Akbarzadeh, Taraneh Moini Zanjani, Masoumeh Sabetkasaei
BACKGROUND: Valproic acid (VPA) and carbamazepine (CBZ), two widely used antiepileptic drugs, have recently been found to inhibit histone deacetylases (HDAC). HDAC inhibitors (HDACIs) have various effects on cancer cells. OBJECTIVES: The aim of this study was to compare the anticancer activity of these drugs on SW480 colon cancer cell lines. METHODS: In the present experimental study, implemented during 2014 - 2015 in Iran, after incubation of cells into 96-well plates with 5,500 cells/well, the tested drugs were added, and cytotoxic effects were assessed by MTT...
October 2016: Iranian Red Crescent Medical Journal
https://www.readbyqxmd.com/read/28181559/sirtuin1-protects-endothelial-caveolin-1-expression-and-preserves-endothelial-function-via-suppressing-mir-204-and-endoplasmic-reticulum-stress
#13
M Kassan, A Vikram, Y R Kim, Q Li, A Kassan, H H Patel, S Kumar, M Gabani, J Liu, J S Jacobs, K Irani
Sirtuin1 (Sirt1) is a class III histone deacetylase that regulates a variety of physiological processes, including endothelial function. Caveolin1 (Cav1) is also an important determinant of endothelial function. We asked if Sirt1 governs endothelial Cav1 and endothelial function by regulating miR-204 expression and endoplasmic reticulum (ER) stress. Knockdown of Sirt1 in endothelial cells, and in vivo deletion of endothelial Sirt1, induced endothelial ER stress and miR-204 expression, reduced Cav1, and impaired endothelium-dependent vasorelaxation...
February 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28167758/microrna-10a-is-crucial-for-endothelial-response-to-different-flow-patterns-via-interaction-of-retinoid-acid-receptors-and-histone-deacetylases
#14
Ding-Yu Lee, Ting-Er Lin, Chih-I Lee, Jing Zhou, Yi-Hsuan Huang, Pei-Ling Lee, Yu-Tsung Shih, Shu Chien, Jeng-Jiann Chiu
Histone deacetylases (HDACs) and microRNAs (miRs) have emerged as two important epigenetic factors in the regulation of vascular physiology. This study aimed to elucidate the relationship between HDACs and miRs in the hemodynamic modulation of endothelial cell (EC) dysfunction. We found that miR-10a has the lowest expression among all examined shear-responsive miRs in ECs under oscillatory shear stress (OS), and a relatively high expression under pulsatile shear stress (PS). PS and OS alter EC miR-10a expression to regulate the expression of its direct target GATA6 and downstream vascular cell adhesion molecule (VCAM)-1...
February 21, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28153879/angiogenic-factor-with-g-patch-and-fha-domains-1-is-a-novel-regulator-of-vascular-injury
#15
Bisheng Zhou, Sheng Zeng, Nan Li, Liming Yu, Guang Yang, Yuyu Yang, Xinjian Zhang, Mingming Fang, Jun Xia, Yong Xu
OBJECTIVE: Phenotypic modulation of vascular smooth muscle cells represents a hallmark event in vascular injury. The underlying mechanism is not completely sorted out. We investigated the involvement of angiogenic factor with G patch and FHA domains 1 (Aggf1) in vascular injury focusing on the transcriptional regulation of vascular smooth muscle cell signature genes. APPROACH AND RESULTS: We report here that Aggf1 expression was downregulated in several different cell models of phenotypic modulation in vitro and in the vessels after carotid artery ligation in mice...
February 2, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28125812/investigation-of-new-therapeutic-targets-in-undifferentiated-endometrial-sarcoma
#16
Min-Hyun Baek, Jeong-Yeol Park, Chae Chun Rhim, Jong-Hyeok Kim, Yangsoon Park, Kyu-Rae Kim, Joo-Hyun Nam
BACKGROUND: Undifferentiated endometrial sarcoma (UES) is a very rare subtype of uterine sarcoma, which has no consensus on the treatment. We investigated the expression of potential new therapeutic targets in UES to improve its aggressive clinical course and poor survival outcome. METHODS: The immunohistochemical expressions of vascular endothelial growth factor (VEGF), c-KIT, c-ABL, platelet derived growth factor receptor (PDGFR), protein kinase B (AKT1), mammalian target of rapamycin, epidermal growth factor receptor (EGFR), human epidermal growth factor receptor (HER2), Wilms tumor (WT1), aromatase inhibitor (CYP19A1), and histone deacetylase (HDAC) series in 10 UES patients were assessed using tissue microarrays...
January 27, 2017: Gynecologic and Obstetric Investigation
https://www.readbyqxmd.com/read/28090287/transcription-factors-transcriptional-coregulators-and-epigenetic-modulation-in-the-control-of-pulmonary-vascular-cell-phenotype-therapeutic-implications-for-pulmonary-hypertension-2015-grover-conference-series
#17
REVIEW
Soni S Pullamsetti, Frédéric Perros, Prakash Chelladurai, Jason Yuan, Kurt Stenmark
Pulmonary hypertension (PH) is a complex and multifactorial disease involving genetic, epigenetic, and environmental factors. Numerous stimuli and pathological conditions facilitate severe vascular remodeling in PH by activation of a complex cascade of signaling pathways involving vascular cell proliferation, differentiation, and inflammation. Multiple signaling cascades modulate the activity of certain sequence-specific DNA-binding transcription factors (TFs) and coregulators that are critical for the transcriptional regulation of gene expression that facilitates PH-associated vascular cell phenotypes, as demonstrated by several studies summarized in this review...
December 2016: Pulmonary Circulation
https://www.readbyqxmd.com/read/27913583/epigenetic-control-of-microsomal-prostaglandin-e-synthase-1-by-hdac-mediated-recruitment-of-p300
#18
Christian Fork, Andrea E Vasconez, Patrick Janetzko, Carlo Angioni, Yannick Schreiber, Nerea Ferreirós, Gerd Geisslinger, Matthias S Leisegang, Dieter Steinhilber, Ralf P Brandes
Nonsteroidal anti-inflammatory drugs are the most widely used medicine to treat pain and 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. HDAC inhibition (HDACi) with the pan-HDAC inhibitor, vorinostat, attenuated prostaglandin (PG)E2 generation in the murine vasculature and in human vascular smooth muscle cells...
February 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/27904046/cocl2-decreases-ec-sod-expression-through-histone-deacetylation-in-cos7-cells
#19
Shuhei Hattori, Tetsuro Kamiya, Hirokazu Hara, Masayuki Ninomiya, Mamoru Koketsu, Tetsuo Adachi
Extracellular-superoxide dismutase (EC-SOD), one of the SOD isozymes, is negatively regulated under hypoxic conditions, and decreases in its expression may exacerbate vascular diseases. Moreover, epigenetics, such as DNA methylation and histone modifications, are known to play a critical role in the progression of cancer, type 2 diabetes, and atherosclerosis. We previously investigated the involvement of reactive oxygen species (ROS) and p38 mitogen-activated protein kinase (MAPK) in decreases in EC-SOD expression in hypoxic COS7 cells; however, the role of epigenetics in this process currently remains unknown...
2016: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/27901321/copy-number-variants-in-a-population-based-investigation-of-klippel-trenaunay-syndrome
#20
Aggeliki Dimopoulos, Robert J Sicko, Denise M Kay, Shannon L Rigler, Ruzong Fan, Paul A Romitti, Marilyn L Browne, Charlotte M Druschel, Michele Caggana, Lawrence C Brody, James L Mills
Klippel-Trenaunay syndrome (KTS) is a rare congenital vascular disorder that is thought to occur sporadically; however, reports of familial occurrence suggest a genetic component. We examined KTS cases to identify novel, potentially causal copy number variants (CNVs). We identified 17 KTS cases from all live-births occurring in New York (1998-2010). Extracted DNA was genotyped using Illumina microarrays and CNVs were called using PennCNV software. CNVs selected for follow-up had ≥10 single nucleotide polymorphisms (SNPs) and minimal overlap with in-house controls or controls from the Database of Genomic Variants...
February 2017: American Journal of Medical Genetics. Part A
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