Increased correlation between methylation sites in epigenome-wide replication studies: impact on analysis and results.

abstract：OBJECTIVE:To study DNA methylation patterns of cortical pyramidal layers susceptible to late-onset Alzheimer's disease (LOAD) neurodegeneration. METHODS:Laser-assisted microdissection to select pyramidal layers' cells in frontal cortex of 32 human brains (18 LOAD) and Infinium DNA Methylation 450K analysis were perfor...

journal_title：Epigenomics

authors： Hernández HG,Sandoval-Hernández AG,Garrido-Gil P,Labandeira-Garcia JL,Zelaya MV,Bayon GF,Fernández AF,Fraga MF,Arboleda G,Arboleda H

更新日期：2018-11-01 00:00:00

abstract：:Histone modifications regulate the structural status of chromatin and thereby influence the transcriptional status of genes. These processes are controlled by the recruitment of different enzymes to a specific genomic site. Furthermore, obtaining an understanding of these mechanisms could help delineate alternative tr...

journal_title：Epigenomics

authors： Calcagno DQ,Wisnieski F,Mota ERDS,Maia de Sousa SB,Costa da Silva JM,Leal MF,Gigek CO,Santos LC,Rasmussen LT,Assumpção PP,Burbano RR,Smith MA

更新日期：2019-02-01 00:00:00

abstract：:Neuromuscular disorders are a heterogeneous group of conditions affecting the neuromuscular system. The aim of this article is to review the major epigenetic findings in motor neuron diseases and major hereditary muscular dystrophies. DNA methylation changes are observed in both hereditary and sporadic forms, and comb...

journal_title：Epigenomics

authors： Coppedè F

更新日期：2020-12-01 00:00:00

abstract：:Aim: To develop a method for estimating cell-specific effects in epigenomic association studies in the presence of cell type heterogeneity. Materials & methods: We utilized Monte Carlo Expectation-Maximization (MCEM) algorithm with Metropolis-Hastings sampler to reconstruct the 'missing' cell-specific methylations and...

journal_title：Epigenomics

authors： Feng YA,Guo Y,Pain L,Lathrop GM,Laprise C,Moffatt MF,Cookson WO,Liang L

更新日期：2020-12-22 00:00:00

abstract：AIM:To characterize the genotypic and phenotypic extent of multilocus imprinting disturbances (MLID). MATERIALS & METHODS:We analyzed 37 patients with imprinting disorders (explorative cohort) for DNA methylation changes using the Infinium HumanMethylation450 BeadChip. For validation, three independent cohorts with im...

journal_title：Epigenomics

authors： Bens S,Kolarova J,Beygo J,Buiting K,Caliebe A,Eggermann T,Gillessen-Kaesbach G,Prawitt D,Thiele-Schmitz S,Begemann M,Enklaar T,Gutwein J,Haake A,Paul U,Richter J,Soellner L,Vater I,Monk D,Horsthemke B,Ammerpohl O,

更新日期：2016-06-01 00:00:00

abstract：:Aim: Epilepsy is a common neurological disorder characterized by recurrent seizures. We performed epigenetic analyses between and within 15 monozygotic (MZ) twin pairs discordant for focal or generalized epilepsy. Methods: DNA methylation analysis was performed using Illumina Infinium MethylationEPIC arrays, in blood ...

journal_title：Epigenomics

authors： Mohandas N,Loke YJ,Hopkins S,Mackenzie L,Bennett C,Berkovic SF,Vadlamudi L,Craig JM

更新日期：2019-06-01 00:00:00

abstract：:DNA modifications represent an integral part of the epigenome and they have a pivotal role in regulation of genome function. Despite the wide variety of analytical techniques that have been developed to detect DNA modifications, their investigation at the single-genome level is only beginning to emerge. In contrast to...

journal_title：Epigenomics

authors： Zillner K,Németh A

更新日期：2012-08-01 00:00:00

abstract：:DNA methylation is widely studied in the context of cancer. However, the rediscovery of 5-hydroxymethylation of DNA adds a new layer of complexity to understanding the epigenetic basis of development and disease, including carcinogenesis. There have been significant advances in techniques for the detection of 5-hydrox...

journal_title：Epigenomics

authors： Laird A,Thomson JP,Harrison DJ,Meehan RR

更新日期：2013-12-01 00:00:00

abstract：:Protein methyltransferases (PMT)s play essential roles in many biological processes through methylation of histones and diverse nonhistone substrates. Dysregulation of these enzymes has been implicated in many diseases including cancers. While PMT-associated biology can be probed via genetic perturbation, this approac...

journal_title：Epigenomics

authors： Luo M

更新日期：2015-01-01 00:00:00

abstract：:Alzheimer's disease (AD) and Parkinson's disease (PD) are two common neurodegenerative diseases that result in the progressive damage or death of neurons. Environmental agents have the potential to damage the developing and mature nervous system, resulting in neurodegenerative diseases. Heritable changes in gene expre...

journal_title：Epigenomics

authors： Kwok JB

更新日期：2010-10-01 00:00:00

abstract：AIM:We compared predictive modeling approaches to estimate placental methylation using cord blood methylation. MATERIALS & METHODS:We performed locus-specific methylation prediction using both linear regression and support vector machine models with 174 matched pairs of 450k arrays. RESULTS:At most CpG sites, both ap...

journal_title：Epigenomics

authors： De Carli MM,Baccarelli AA,Trevisi L,Pantic I,Brennan KJ,Hacker MR,Loudon H,Brunst KJ,Wright RO,Wright RJ,Just AC

更新日期：2017-03-01 00:00:00

abstract：:Chromatin immunoprecipitation followed by sequencing (ChIP-seq) is widely used for mapping histone modifications, histone proteins, chromatin regulators, transcription factors and other DNA-binding proteins. It has played a significant role in our understanding of disease mechanisms and in exploring epigenetic changes...

journal_title：Epigenomics

authors： Yan H,Tian S,Slager SL,Sun Z

更新日期：2016-09-01 00:00:00

abstract：:Fibrosis is the excess deposition of extracellular matrix components which occur in multiple organs and ultimately leads to organ failure. Long noncoding RNAs (lncRNAs) are a kind of noncoding RNAs longer than approximately 200 nucleotides with no protein-encoding capacity. A growing body of evidence suggests that lnc...

journal_title：Epigenomics

authors： Jiang X,Zhang F

更新日期：2017-09-01 00:00:00

abstract：:The widely accepted association between aberrant methylation at specific imprinted loci and distinct imprinting disorders has recently been brought into question by the identification of methylation defects at multiple loci (multilocus methylation defect [MLMD]). Strikingly, in different imprinting disorders, the same...

journal_title：Epigenomics

authors： Eggermann T,Leisten I,Binder G,Begemann M,Spengler S

更新日期：2011-10-01 00:00:00

abstract：:For the first time, the development of next-generation sequencing technologies has brought about tools to investigate epigenetic alterations in an unbiased, yet genome-wide approach. The importance of this innovative technology is undeniable since it has already been established that changes in DNA methylation play an...

journal_title：Epigenomics

authors： Boerno ST,Grimm C,Lehrach H,Schweiger MR

更新日期：2010-04-01 00:00:00

abstract：AIM:To develop a reliable method for whole genome analysis of DNA methylation. MATERIALS & METHODS:Genome-scale analysis of DNA methylation includes affinity-based approaches such as enrichment using methyl-CpG-binding proteins. One of these methods, the methylated-CpG island recovery assay (MIRA), is based on the hig...

journal_title：Epigenomics

authors： Jung M,Kadam S,Xiong W,Rauch TA,Jin SG,Pfeifer GP

更新日期：2015-08-01 00:00:00

abstract：AIM:To identify DNA methylation biomarkers in peripheral blood samples from triple-negative breast cancer (TNBC) patients. MATERIALS & METHODS:We conducted an epigenome-wide association study (EWAS): the most promising markers were identified in 233 TNBC case-control pairs (discovery set) and subsequently validated in...

journal_title：Epigenomics

authors： Bermejo JL,Huang G,Manoochehri M,Mesa KG,Schick M,Silos RG,Ko YD,Brüning T,Brauch H,Lo WY,Hoheisel JD,Hamann U

更新日期：2019-01-01 00:00:00

abstract：:This article focuses on the epigenetic alterations of aberrant promoter hypermethylation of genes, and histone modifications or RNA interference in cancer cells. Current knowledge of the hypermethylation of allele(s) in classical tumor suppressor genes in inherited and sporadic cancer, candidate tumor suppressor and o...

journal_title：Epigenomics

authors： Hoffman AM,Cairns P

更新日期：2011-02-01 00:00:00

abstract：AIM:To identify regions of aberrant DNA methylation in acute lymphoblastic leukemia (ALL) cells of different subtypes on a genome-wide scale. MATERIALS & METHODS:Whole-genome bisulfite sequencing (WGBS) was used to determine the DNA methylation levels in cells from four pediatric ALL patients of different subtypes. Th...

journal_title：Epigenomics

authors： Wahlberg P,Lundmark A,Nordlund J,Busche S,Raine A,Tandre K,Rönnblom L,Sinnett D,Forestier E,Pastinen T,Lönnerholm G,Syvänen AC

更新日期：2016-10-01 00:00:00

abstract：:Proper immune function is the result of multiple cell commitment and differentiation steps, and adequate control of activation mechanisms. Deregulation of transcriptional programs in immune cells leads to the development of hematological malignancies, autoimmune diseases or immunodeficiencies. In this sense, epigeneti...

journal_title：Epigenomics

authors： Rodriguez-Cortez VC,Hernando H,de la Rica L,Vento R,Ballestar E

更新日期：2011-12-01 00:00:00

abstract：:Despite recent advances in therapy, subgroups of multiple myeloma continue to have a poor prognosis. Numerous epigenetic changes have been described and occur as both etiologic and secondary events, making myeloma a good disease in which to understand the role of epigenetic therapies. Here, we describe a number of cur...

journal_title：Epigenomics

authors： Pawlyn C,Kaiser MF,Davies FE,Morgan GJ

更新日期：2014-04-01 00:00:00

abstract：:Sepsis is a life-threatening condition that occurs when the body responds to an infection damaging its own tissues. Sepsis survivors sometimes suffer from immunosuppression increasing the risk of death. To our best knowledge, there is no 'gold standard' for defining immunosuppression except for a composite clinical en...

journal_title：Epigenomics

authors： Beltrán-García J,Osca-Verdegal R,Romá-Mateo C,Carbonell N,Ferreres J,Rodríguez M,Mulet S,García-López E,Pallardó FV,García-Giménez JL

更新日期：2020-04-01 00:00:00

abstract：AIM:The aim was to investigate the effect of miR-377 on DNMT1 expression and cancer phenotype in pancreatic cancer cells. MATERIALS & METHODS:Real-time PCR, luciferase assay, MTT and Annexin-PI staining were used. RESULTS:Decreased miR-377 and increased DNMT1 (verified as a target for mir-377) levels in pancreatic ca...

journal_title：Epigenomics

authors： Azizi M,Fard-Esfahani P,Mahmoodzadeh H,Fazeli MS,Azadmanesh K,Zeinali S,Teimoori-Toolabi L

更新日期：2017-08-01 00:00:00

abstract：:Currently, the incidence of colorectal cancer (CRC) is increasing across the world. The cancer stroma exerts an impact on the spread, invasion and chemoresistance of CRC. The tumor microenvironment involves a complex interaction between cancer cells and stromal cells, for example, cancer-associated fibroblasts (CAFs)....

journal_title：Epigenomics

authors： Savardashtaki A,Shabaninejad Z,Movahedpour A,Sahebnasagh R,Mirzaei H,Hamblin MR

更新日期：2019-11-01 00:00:00

abstract：AIM:Imprinted genes exhibit expression in a parent-of-origin-dependent manner and are critical for child development. Recent limited evidence suggests that prenatal exposure to phthalates, ubiquitous endocrine disruptors, can affect their epigenetic dysregulation. MATERIALS & METHODS:We quantified DNA methylation of n...

journal_title：Epigenomics

authors： Tindula G,Murphy SK,Grenier C,Huang Z,Huen K,Escudero-Fung M,Bradman A,Eskenazi B,Hoyo C,Holland N

更新日期：2018-07-01 00:00:00

abstract：:Until recently, drug development in oncology was focused on treating most patients for a specific cancer type without taking in account the heterogeneity between these patients in term of response to treatment. Therefore, this type of broad treatment approach excludes the treatment of patient not responding to disease...

journal_title：Epigenomics

authors： Cartron PF,Cheray M,Bretaudeau L

更新日期：2020-01-01 00:00:00

abstract：:Histone deacetylase (HDAC)6 is a member of the class IIb HDAC family. This enzyme is zinc-dependent and mainly localized in the cytoplasm. HDAC6 is a unique isoenzyme with two functional catalytic domains and specific physiological roles. Indeed, HDAC6 deacetylates various substrates including α-tubulin and HSP90α, an...

journal_title：Epigenomics

authors： Seidel C,Schnekenburger M,Dicato M,Diederich M

更新日期：2015-01-01 00:00:00

abstract：:Prostate cancer is the most common cancer in men and the second leading cause of cancer deaths in men in France. Apart from the genetic alterations in prostate cancer, epigenetics modifications are involved in the development and progression of this disease. Epigenetic events are the main cause in gene regulation and ...

journal_title：Epigenomics

authors： Ngollo M,Dagdemir A,Karsli-Ceppioglu S,Judes G,Pajon A,Penault-Llorca F,Boiteux JP,Bignon YJ,Guy L,Bernard-Gallon DJ

更新日期：2014-01-01 00:00:00

abstract：:Aim: To determine changes in global DNA methylation in monocytes from neonates of women with obesity, as markers of an immune programming resulting from maternal obesity. Materials & methods: Cord blood monocytes were obtained from neonates born to women with obesity and normal weight, genome-wide differentially methy...

journal_title：Epigenomics

authors： Vega-Tapia F,Artigas R,Hernández C,Uauy R,Casanello P,Krause BJ,Castro-Rodriguez JA

更新日期：2020-11-01 00:00:00

abstract：:A number of bioactive dietary components are of particular interest in the field of epigenetics. Many of these compounds display anticancer properties and may play a role in cancer prevention. Numerous studies suggest that a number of nutritional compounds have epigenetic targets in cancer cells. Importantly, emerging...

journal_title：Epigenomics

authors： Hardy TM,Tollefsbol TO

更新日期：2011-08-01 00:00:00