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Epigenetics atherosclerosis

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https://www.readbyqxmd.com/read/29921905/ifn%C3%AE-signalling-epigenetics-and-roles-in-immunity-metabolism-disease-and-cancer-immunotherapy
#1
REVIEW
Lionel B Ivashkiv
IFNγ is a cytokine with important roles in tissue homeostasis, immune and inflammatory responses and tumour immunosurveillance. Signalling by the IFNγ receptor activates the Janus kinase (JAK)-signal transducer and activator of transcription 1 (STAT1) pathway to induce the expression of classical interferon-stimulated genes that have key immune effector functions. This Review focuses on recent advances in our understanding of the transcriptional, chromatin-based and metabolic mechanisms that underlie IFNγ-mediated polarization of macrophages to an 'M1-like' state, which is characterized by increased pro-inflammatory activity and macrophage resistance to tolerogenic and anti-inflammatory factors...
June 19, 2018: Nature Reviews. Immunology
https://www.readbyqxmd.com/read/29908485/myeloid-kdm6b-deficiency-results-in-advanced-atherosclerosis
#2
Annette E Neele, Marion J J Gijbels, Saskia van der Velden, Marten A Hoeksema, Marieke C S Boshuizen, Koen H M Prange, Hung-Jen Chen, Jan Van den Bossche, Cindy P P A van Roomen, Annelie Shami, Johannes H M Levels, Jeffrey Kroon, Tina Lucas, Stefanie Dimmeler, Esther Lutgens, Menno P J de Winther
BACKGROUND AND AIMS: Atherosclerosis is a lipid-driven chronic inflammatory disorder of the arteries, and monocytes and macrophages play a central role in this process. Within the atherosclerotic lesion, macrophages can scavenge modified lipids and become the so-called foam cells. We previously reported that the epigenetic enzyme Kdm6b (also known as Jmjd3) controls the pro-fibrotic transcriptional profile of peritoneal foam cells. Given the importance of these cells in atherosclerosis, we now studied the effect of myeloid Kdm6b on disease progression...
June 1, 2018: Atherosclerosis
https://www.readbyqxmd.com/read/29901135/cell%C3%A2-specific-histone-modifications-in-atherosclerosis-review
#3
Wanlin Jiang, Devendra K Agrawal, Chandra S Boosani
Histone modifications are the key epigenetic mechanisms that have been identified to regulate gene expression in many human diseases. However, in the early developmental stages, such as in utero and the postnatal stages, histone modifications are essential for gene regulation and cell growth. Atherosclerosis represents a classical example of the involvement of different cell types, and their cumulative effects in the development of atheroma and the progression of the disease. Post translational modifications on proteins either induces their functional activity or renders them inactive...
June 6, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29896299/flow-dependent-epigenetic-regulation-of-igfbp5-expression-by-h3k27me3-contributes-to-endothelial-anti-inflammatory-effects
#4
Suowen Xu, Yanni Xu, Meimei Yin, Shuya Zhang, Peng Liu, Marina Koroleva, Shuyi Si, Peter J Little, Jaroslav Pelisek, Zheng Gen Jin
Rationale : Atherosclerosis is a chronic inflammatory and epigenetic disease that is influenced by different patterns of blood flow. However, the epigenetic mechanism whereby atheroprotective flow controls endothelial gene programming remains elusive. Here, we investigated the possibility that flow alters endothelial gene expression through epigenetic mechanisms. Methods : E n face staining and western blot were used to detect protein expression. Real-time PCR was used to determine relative gene expression...
2018: Theranostics
https://www.readbyqxmd.com/read/29867229/myeloid-cell-contributions-to-cardiovascular-health-and-disease
#5
REVIEW
Matthias Nahrendorf
Recent advances in cell tracing and sequencing technologies have expanded our knowledge on leukocyte behavior. As a consequence, inflammatory cells, such as monocyte-derived macrophages, and their actions and products are increasingly being considered as potential drug targets for treatment of atherosclerosis, myocardial infarction and heart failure. Particularly promising developments are the identification of harmful arterial and cardiac macrophage subsets, the cells' altered, sometimes even clonal production in hematopoietic organs, and epigenetically entrained memories of myeloid progenitors and macrophages in the setting of cardiovascular disease...
June 4, 2018: Nature Medicine
https://www.readbyqxmd.com/read/29847446/nutriepigenetics-and-cardiovascular-disease
#6
Anastasia Z Kalea, Konstantinos Drosatos, Jessica L Buxton
PURPOSE OF REVIEW: We present a current perspective of epigenetic alterations that can lead to cardiovascular disease (CVD) and the potential of dietary factors to counteract their actions. In addition, we discuss the challenges and opportunities of dietary treatments as epigenetic modifiers for disease prevention and therapy. RECENT FINDINGS: Recent epigenome-wide association studies along with candidate gene approaches and functional studies in cell culture and animal models have delineated mechanisms through which nutrients, food compounds and dietary patterns may affect the epigenome...
July 2018: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/29777793/homocysteine-induces-vascular-inflammatory-response-via-smad7-hypermethylation-in-human-umbilical-vein-smooth-muscle-cells
#7
Li-Hua Wei, Nai-Xia Chao, Si Gao, Ya-Ting Yu, Lin Shi, Xin-Bo Ma, Na Liao, Ke Lan, Yu Luo, Zheng-Yi Xie, Yuan-Yuan Li
Homocysteine (Hcy) can induce atherosclerosis through the inflammatory response and DNA methylation disorder. Our recent study has reported a novel epigenetic modified gene related to atherosclerosis -SMAD7. To further understand the pathogenesis of atherosclerosis, the current study was designed to investigate an inflammatory role of Hcy in human umbilical vein smooth muscle cells (HUVSMCs) through interfering with SMAD7 methylation. Using MALDI-TOF MS, we found that Hcy increased DNA methylation levels of SMAD7 promoter in a dose and time-dependent manner in HUVSMCs...
May 17, 2018: Microvascular Research
https://www.readbyqxmd.com/read/29777212/regulation-of-macrophage-immunometabolism-in-atherosclerosis
#8
REVIEW
Graeme J Koelwyn, Emma M Corr, Ebru Erbay, Kathryn J Moore
After activation, cells of the myeloid lineage undergo robust metabolic transitions, as well as discrete epigenetic changes, that can dictate both ongoing and future inflammatory responses. In atherosclerosis, in which macrophages play central roles in the initiation, growth, and ultimately rupture of arterial plaques, altered metabolism is a key feature that dictates macrophage function and subsequent disease progression. This Review explores how factors central to the plaque microenvironment (for example, altered cholesterol metabolism, oxidative stress, hypoxia, apoptotic and necrotic cells, and hyperglycemia) shape the metabolic rewiring of macrophages in atherosclerosis as well as how these metabolic shifts in turn alter macrophage immune-effector and tissue-reparative functions...
June 2018: Nature Immunology
https://www.readbyqxmd.com/read/29772548/epigenetic-regulation-of-genes-involved-in-the-reverse-cholesterol-transport-through-interaction-with-mirnas
#9
Mohamed Zaiou, Bertrand Henri Rihn, Ahmed Bakillah
microRNAs (miRNAs) are a group of small non-coding RNA molecules known to regulate target genes at the post-transcriptional level. miRNAs are implicated in the regulation of multiple pathophysiological processes including dyslipidemia, a major risk factor for atherosclerosis. Emerging evidence suggests that miRNAs act as a novel class of epigenetic regulators of high-density lipoproteins cholesterol (HDL-C) from synthesis to clearance contributing remarkably to the pathogenesis of atherosclerosis. Accumulating studies have revealed that miRNAs such as miR-33, miR-27, miR-144, miR-758 and miR-20 are involved in the post-transcriptional control of ABCA1, ABCG1 and SCARB1 genes regulatory network of the reverse cholesterol transport (RCT)...
June 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/29753613/atherosclerosis-is-an-epigenetic-disease
#10
Suowen Xu, Jaroslav Pelisek, Zheng Gen Jin
Atherosclerosis is a chronic inflammatory and lipid-depository disease that eventually leads to acute cardiovascular events. Emerging evidence supports that epigenetic processes such as DNA methylation, histone modification, and noncoding RNAs play an important role in plaque progression and vulnerability, highlighting the therapeutic potential of epigenetic drugs in cardiovascular therapeutics.
May 9, 2018: Trends in Endocrinology and Metabolism: TEM
https://www.readbyqxmd.com/read/29751497/epigenetic-regulation-of-atp-binding-cassette-protein-a1-abca1-gene-expression-a-new-era-to-alleviate-atherosclerotic-cardiovascular-disease
#11
Mohamed Zaiou, Ahmed Bakillah
The most important function of high density lipoprotein (HDL) is its ability to remove cholesterol from cells and tissues involved in the early stages of atherosclerosis back to the liver for excretion. The ATP-binding cassette transporters ABCA1 and ABCG1 are responsible for the major part of cholesterol efflux to HDL in macrophage foam cells. Thus, promoting the process of reverse cholesterol transport (RCT) by upregulating mainly ABCA1 remains one of the potential targets for the development of new therapeutic agents against atherosclerosis...
May 3, 2018: Diseases (Basel)
https://www.readbyqxmd.com/read/29685964/-in-silico-epigenetics-of-metal-exposure-and-subclinical-atherosclerosis-in-middle-aged-men-pilot-results-from-the-aragon-workers-health-study
#12
Angela L Riffo-Campos, Azahara Fuentes-Trillo, Wan Y Tang, Zoraida Soriano, Griselda De Marco, Pilar Rentero-Garrido, Victoria Adam-Felici, Veronica Lendinez-Tortajada, Kevin Francesconi, Walter Goessler, Christine Ladd-Acosta, Montse Leon-Latre, Jose A Casasnovas, F Javier Chaves, Ana Navas-Acien, Eliseo Guallar, Maria Tellez-Plaza
We explored the association of metal levels with subclinical atherosclerosis and epigenetic changes in relevant biological pathways. Whole blood DNA Infinium Methylation 450 K data were obtained from 23 of 73 middle age men without clinically evident cardiovascular disease (CVD) who participated in the Aragon Workers Health Study in 2009 (baseline visit) and had available baseline urinary metals and subclinical atherosclerosis measures obtained in 2010-2013 (follow-up visit). The median metal levels were 7...
June 5, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29678824/metabolic-karma-the-atherogenic-legacy-of-diabetes-the-2017-edwin-bierman-award-lecture
#13
REVIEW
Mark Emmanuel Cooper, Assam El-Osta, Terri Jean Allen, Anna Margareta Dorothea Watson, Merlin Christopher Thomas, Karin Agnes Maria Jandeleit-Dahm
Cardiovascular disease, despite all the recent advances in treatment of the various risk factors, remains the major cause of mortality in both type 1 and type 2 diabetes. Experimental models of diabetes-associated atherosclerosis, despite their limitations in recapitulating the human context, have assisted in the elucidation of molecular and cellular pathways implicated in the development and progression of macrovascular injury in diabetes. Our own studies have emphasized the role of oxidative stress and advanced glycation and identified potential targets for vasoprotective therapies in the setting of diabetes...
May 2018: Diabetes
https://www.readbyqxmd.com/read/29653065/tet2-a-novel-epigenetic-regulator-and-potential-intervention-target-for-atherosclerosis
#14
Yami Liu, Wen Peng, Kai Qu, Xiaolong Lin, Zhaolin Zeng, Jiaojiao Chen, Dangheng Wei, Zuo Wang
Atherosclerosis is the underlying cause of cardio-cerebrovascular disease. However, the mechanisms of atherosclerosis are still unclear. The modification of DNA methylation has an important role in atherosclerosis development. As a member of the Ten-eleven translocation (TET) family, TET methylcytosine dioxygenase 2 (TET2) can modify DNA methylation by catalyzing 5-methylcytosine to 5-hydroxymethylcytosine and mediate DNA demethylation. Recent findings suggest that TET2 is related to the phenotype transformation of vascular smooth muscle cells, endothelial dysfunction, and inflammation of macrophage, the key factors of atherosclerosis...
June 2018: DNA and Cell Biology
https://www.readbyqxmd.com/read/29609002/angiotensin-ii-facilitates-neointimal-formation-by-increasing-vascular-smooth-muscle-cell-migration-involvement-of-ape-ref-1-mediated-overexpression-of-sphingosine-1-phosphate-receptor-1
#15
Dong-Youb Lee, Kyung-Jong Won, Kang Pa Lee, Seung Hyo Jung, Suji Baek, Hyun Woo Chung, Wahn Soo Choi, Hwan Myung Lee, Byeong Han Lee, Byeong Hwa Jeon, Bokyung Kim
Angiotensin II (Ang II) is implicated in the development of cardiovascular disorders including hypertension and atherosclerosis. However, the role of Ang II in the interaction between apurinic/apyrimidinic endonuclease/redox factor-1 (APE/Ref-1) and sphingosine-1-phosphate (S1P) signals in relation to vascular disorders remains to be clarified. This study aimed to determine whether APE/Ref-1 plays a role in epigenetic regulation of the S1P receptor (S1PR) in response to Ang II in vascular smooth muscle cell (VSMC) migration and vascular neointima formation...
May 15, 2018: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/29555670/prospective-study-of-epigenetic-age-acceleration-and-incidence-of-cardiovascular-disease-outcomes-in-the-aric-study-atherosclerosis-risk-in-communities
#16
Nicholas S Roetker, James S Pankow, Jan Bressler, Alanna C Morrison, Eric Boerwinkle
BACKGROUND: DNA methylation-based patterns of biological aging, known as epigenetic age acceleration, are predictive of all-cause mortality, but little is known about their association with cardiovascular disease (CVD). METHODS: We estimated 2 versions of epigenetic age acceleration (Horvath and Hannum) using whole-blood samples from 2543 blacks. Linear and Cox proportional hazards regression, respectively, were used to assess the association of age acceleration with carotid intima-media thickness (cross-sectionally) and incident cardiovascular events, including CVD mortality, myocardial infarction, fatal coronary heart disease, peripheral arterial disease, and heart failure, during a median 21-year follow-up...
March 2018: Circulation. Genomic and precision medicine
https://www.readbyqxmd.com/read/29534238/targeting-epigenetic-dna-and-histone-modifications-to-treat-kidney-disease
#17
Miguel Fontecha-Barriuso, Diego Martin-Sanchez, Olga Ruiz-Andres, Jonay Poveda, Maria Dolores Sanchez-Niño, Lara Valiño-Rivas, Marta Ruiz-Ortega, Alberto Ortiz, Ana Belén Sanz
Epigenetics refers to heritable changes in gene expression patterns not caused by an altered nucleotide sequence, and includes non-coding RNAs and covalent modifications of DNA and histones. This review focuses on functional evidence for the involvement of DNA and histone epigenetic modifications in the pathogenesis of kidney disease and the potential therapeutic implications. There is evidence of activation of epigenetic regulatory mechanisms in acute kidney injury (AKI), chronic kidney disease (CKD) and the AKI-to-CKD transition of diverse aetiologies, including ischaemia-reperfusion injury, nephrotoxicity, ureteral obstruction, diabetes, glomerulonephritis and polycystic kidney disease...
March 9, 2018: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29511860/dj-1-is-involved-in-epigenetic-control-of-sphingosine-1-phosphate-receptor-expression-in-vascular-neointima-formation
#18
Kang Pa Lee, Suji Baek, Seung Hyo Jung, Long Cui, Donghyen Lee, Dong-Youb Lee, Wahn Soo Choi, Hyun Woo Chung, Byeong Han Lee, Bokyung Kim, Kyung Jong Won
DJ-1 and sphingosine-1-phosphate (S1P) receptors (S1PRs) are implicated in the control of physiology and pathophysiology of cardiovascular systems such as blood pressure, atherosclerosis, and restenosis. Here, we investigated whether DJ-1 with antioxidant function participates in the regulation of S1PR1 and S1PR2 expression in vascular smooth muscle cells (VSMCs) and whether this response is related to vascular neointima formation. In vitro studies used cellular migration assay, western blot, reverse transcriptase and real-time PCR analysis, and immunocytochemistry...
March 6, 2018: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/29498880/-long-non-coding-rnas-in-the-pathophysiology-of-atherosclerosis
#19
Jan Novak, Julie Bienertová Vašků, Miroslav Souček
The human genome contains about 22 000 protein-coding genes that are transcribed to an even larger amount of messenger RNAs (mRNA). Interestingly, the results of the project ENCODE from 2012 show, that despite up to 90 % of our genome being actively transcribed, protein-coding mRNAs make up only 2-3 % of the total amount of the transcribed RNA. The rest of RNA transcripts is not translated to proteins and that is why they are referred to as "non-coding RNAs". Earlier the non-coding RNA was considered "the dark matter of genome", or "the junk", whose genes has accumulated in our DNA during the course of evolution...
2018: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/29498708/identification-and-characterizations-of-novel-selective-histone-methyltransferase-set7-inhibitors-by-scaffold-hopping-and-2d-molecular-fingerprint-based-similarity-search
#20
Hong Ding, Wen Chao Lu, Jun Chi Hu, Yu-Chih Liu, Chen Hua Zhang, Fu Lin Lian, Nai Xia Zhang, Fan Wang Meng, Cheng Luo, Kai Xian Chen
SET7, serving as the only histone methyltransferase that monomethylates 'Lys-4' of histone H3, has been proved to function as a key regulator in diverse biological processes, such as cell proliferation, transcriptional network regulation in embryonic stem cell, cell cycle control, protein stability, heart morphogenesis and development. What's more, SET7 is involved inthe pathogenesis of alopecia aerate, breast cancer, tumor and cancer progression, atherosclerosis in human carotid plaques, chronic renal diseases, diabetes, obesity, ovarian cancer, prostate cancer, hepatocellular carcinoma, and pulmonary fibrosis...
March 2, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
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