Tags | Diagenode

Involvement of Epigenetic Modifications of GABAergic Interneurons in Basolateral Amygdala in Anxiety-like Phenotype of Prenatally Stressed Mice.
Published: June, 2018

Abstract: Background: Prenatal stress is considered a risk factor for anxiety disorder. Downregulation in the expression of GABAergic gene, that is, glutamic acid decarboxylase 67, associated with DNA methyltransferase overexpression in GABAergic neurons ha...
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Transcription of synaptic plasticity-related genes in patients with somnipathy combined with type 2 diabetes
Published: September, 2017

Abstract: Objective: To investigate DNA methylation and hydroxymethylation in patients with somnipathy combined with type 2 diabetes, and to explore the effects of DNA methylation and hydroxymethylation on gene expression. Methods: Thirty patients with som...
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Genome-wide DNA methylation profiling with MeDIP-seq using archived dried blood spots
Published: July, 2016

Abstract: Background In utero and early-life experienced environmental exposures are suggested to play an important role in many multifactorial diseases potentially mediated through lasting effects on the epigenome. As the epigenome in addition remains modi...
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DNA methylation and gene expression profiles show novel regulatory pathways in hepatocellular carcinoma.
Published: April, 2015

Abstract: BACKGROUND: Alcohol is a well-known risk factor for hepatocellular carcinoma (HCC), but the mechanisms underlying the alcohol-related hepatocarcinogenesis are still poorly understood. Alcohol alters the provision of methyl groups within the hepati...
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Brain-derived neurotrophic factor epigenetic modifications associated with schizophrenia-like phenotype induced by prenatal stress in mice.
Published: March, 2015

Abstract: BACKGROUND: Prenatal stress (PRS) is considered a risk factor for several neurodevelopmental disorders including schizophrenia (SZ). An animal model involving restraint stress of pregnant mice suggests that PRS induces epigenetic changes in specif...
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Histone H3 Phosphorylation in GBM: a New Rational to Guide the Use of Kinase Inhibitors in anti-GBM Therapy
Published: January, 2015

Abstract: Histones post-translational modifications (PTMs) are crucial components of diverse processes that modulate chromatin. Among the histones PTMs, the histones phosphorylation appears such crucial since it plays a significant role into DNA repair stru...
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Global methylation silencing of clustered proto-cadherin genes in cervical cancer: serving as diagnostic markers comparable to HPV.
Published: November, 2014

Abstract: Epigenetic remodeling of cell adhesion genes is a common phenomenon in cancer invasion. This study aims to investigate global methylation of cell adhesion genes in cervical carcinogenesis and to apply them in early detection of cancer from cervica...
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Epigenetic modifications of gene promoter DNA in the liver of adult female mice masculinized by testosterone.
Published: November, 2014

Abstract: Testosterone (T) is known to masculinize the female phenotype of the liver, evidenced as up- and down-regulated expressions of male- and female-predominant genes, respectively, involved in hepatic metabolism. This study is aimed at identifying epi...
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BDNF Epigenetic Modifications Associated with Schizophrenia-Like Phenotype Induced by Prenatal Stress in Mice
Published: August, 2014

Abstract: Background Prenatal stress is considered a risk factor for several neurodevelopmental disorders including schizophrenia (SZ). An animal model involving restraint stress of pregnant mice suggests that prenatal stress (PRS) induces epigenetic chang...
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IGF2BP1 Expression in Human Mesenchymal Stem Cells Significantly Affects Their Proliferation and Is Under the Epigenetic Control of TET1/2 Demethylases.
Published: July, 2014

Abstract: Mesenchymal stem cells (MSCs) are a population of cells harboring in many tissues with the ability to differentiate toward many different lineages. Unraveling the molecular profile of MSCs is of great importance due to the fact that these cells ar...
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Promyelocytic Leukaemia Zinc Finger Retinoic Acid Receptor α (PLZF-RARα), an oncogenic transcriptional repressor of Cyclin Dependent Kinase Inhibitor 1A (p21WAF/CDKN1A) and Tumor Protein p53 (TP53) genes.
Published: May, 2014

Abstract: PLZF-RARα is an oncogene transcriptional repressor that is generated by a chromosomal translocation between the PLZF and RARα genes in acute promyelocytic leukemia (APL-type) patients. The molecular interaction between PLZF-RARα and the HDAC-corep...
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Global DNA methylation screening of liver in piperonyl butoxide-treated mice in a two-stage hepatocarcinogenesis model.
Published: October, 2013

Abstract: Disruptive epigenetic gene control has been shown to be involved in carcinogenesis. To identify key molecules in piperonyl butoxide (PBO)-induced hepatocarcinogenesis, we searched hypermethylated genes using CpG island (CGI) microarrays in non-neo...
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Epigenetic silencing of Bim transcription by Spi-1/PU.1 promotes apoptosis resistance in leukaemia.
Published: September, 2013

Abstract: Deregulation of transcriptional networks contributes to haematopoietic malignancies. The transcription factor Spi-1/PU.1 is a master regulator of haematopoiesis and its alteration leads to leukaemia. Spi-1 overexpression inhibits differentiation a...
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Genome-wide screening identifies Plasmodium chabaudi-induced modifications of DNA methylation status of Tlr1 and Tlr6 gene promoters in liver, but not spleen, of female C57BL/6 mice.
Published: August, 2013

Abstract: Epigenetic reprogramming of host genes via DNA methylation is increasingly recognized as critical for the outcome of diverse infectious diseases, but information for malaria is not yet available. Here, we investigate the effect of blood-stage mala...
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The proto-oncoprotein FBI-1 interacts with MBD3 to recruit the Mi-2/NuRD-HDAC complex and BCoR and to silence p21WAF/CDKN1A by DNA methylation.
Published: July, 2013

Abstract: The tumour-suppressor gene CDKN1A (encoding p21Waf/Cip1) is thought to be epigenetically repressed in cancer cells. FBI-1 (ZBTB7A) is a proto-oncogenic transcription factor repressing the alternative reading frame and p21WAF/CDKN1A genes of the p5...
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HDAC1-mSin3a-NCOR1, Dnmt3b-HDAC1-Egr1 and Dnmt1-PCNA-UHRF1-G9a regulate the NY-ESO1 gene expression
Published: December, 2012

Abstract: The NY-ESO1 gene is a cancer/testis antigen considered to be suitable target for the immunotherapy of human malignancies. Despite the identification of the epigenetical silencing of the NY-ESO1 gene in a large variety of tumors, the molecular mech...
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Epigenetic Silencing of Antiviral Genes Renders Clones of Huh-7 Cells Permissive for Hepatitis C Virus Replication.
Published: October, 2012

Abstract: Hepatitis C virus (HCV) does not replicate efficiently in wild-type human hepatoma Huh-7 cells, but it replicates robustly in certain subclones of Huh-7 cells. Previously, we demonstrated that silencing of cAMP response element binding protein 3-l...
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Melanoma-Associated Cancer-Testis Antigen 16 (CT16) Regulates the Expression of Apoptotic and Antiapoptotic Genes and Promotes Cell Survival
Published: September, 2012

Abstract: Cancer-testis (CT) antigens are predominantly expressed in testis or placenta, but absent in most adult tissues. During malignant transformation CT genes are often activated. CT antigen 16 (CT16, PAGE5) is frequently expressed in advanced melanoma...
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Genome-wide profiling in melatonin exposed human breast cancer cell lines identifies differentially methylated genes involved in the anticancer effect of melatonin
Published: June, 2012

Abstract: Epigenetic alterations have emerged as an important mechanism involved in tumorigenesis. The epigenetic impact of DNA methylation in various types of human cancer is not completely understood. Previously, we observed melatonin-induced differential...
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Disruptive cell cycle regulation involving epigenetic downregulation of Cdkn2a (p16(Ink4a)) in early-stage liver tumor-promotion facilitating liver cell regeneration in rats.
Published: May, 2012

Abstract: Cell cycle aberration was immunohistochemically examined in relation to preneoplastic liver cell foci expressing glutathione S-transferase placental form (GST-P) at early stages of tumor-promotion in rats with thioacetamide (TAA), a hepatocarcinog...
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UHRF1 coordinates peroxisome proliferator activated receptor gamma (PPARG) epigenetic silencing and mediates colorectal cancer progression.
Published: January, 2012

Abstract: Peroxisome proliferator-activated receptor gamma (PPARG) inactivation has been identified as an important step in colorectal cancer (CRC) progression, although the events involved have been partially clarified. UHRF1 is emerging as a cofactor that...
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Temporal uncoupling of the DNA methylome and transcriptional repression during embryogenesis.
Published: August, 2011

Abstract: DNA methylation is a tightly regulated epigenetic mark associated with transcriptional repression. Next-generation sequencing of purified methylated DNA obtained from early Xenopus tropicalis embryos demonstrates that this genome is heavily methyl...
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Effects of epigenetic-based anti-cancer drugs in leukemia and multiple myeloma cells.
Published: June, 2011

Abstract: Here, we focused on epigenetic changes in leukemia and multiple myeloma (MM) cells. We show how the histone signature, DNA methylation, and levels of select tumor suppressor proteins can be affected by inhibitors of HDAC and Dnmts. Both inhibitors...
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Unrestricted somatic stem cells (USSC) from human umbilical cord blood display uncommitted epigenetic signatures of the major stem cell pluripotency genes.
Published: January, 2011

Abstract: Unrestricted somatic stem cells (USSC) from human cord blood display a broad differentiation potential for ectodermal, mesodermal, and endodermal cell types. The molecular basis for these stem cell properties is unclear and unlike embryonic stem c...
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Induction of pluripotency in human cord blood unrestricted somatic stem cells.
Published: September, 2010

Abstract: OBJECTIVE: Generation of induced pluripotent stem (iPS) cells from human cord blood (CB)-derived unrestricted somatic stem cells and evaluation of their molecular signature and differentiation potential in comparison to human embryonic stem cells....
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The HOX Code as a "biological fingerprint" to distinguish functionally distinct stem cell populations derived from cord blood.
Published: July, 2010

Abstract: Mesenchymal stem cells (MSC) have been isolated from almost every adult tissue. In cord blood (CB), different non-hematopoietic CD45-, CD34- adherent cell populations can be generated: the cord blood derived MSC (CB-MSC), that behave almost like M...
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Dnmt1/Transcription factor interactions: an alternative mechanism of DNA methylation inheritance.
Published: May, 2010

Abstract: DNA methylation inheritance is the process of copying, via the DNA methyltransferase 1 (Dnmt1), the pre-existing methylation patterns onto the new DNA strand during DNA replication. Experiments of chromatin immunoprecipitation, measurement of main...
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DNA methylome of familial breast cancer identifies distinct profiles defined by mutation status.
Published: March, 2010

Abstract: It is now understood that epigenetic alterations occur frequently in sporadic breast carcinogenesis, but little is known about the epigenetic alterations associated with familial breast tumors. We performed genome-wide DNA-methylation profiling on...
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Impact of the DNA methyltransferases expression on the methylation status of apoptosis-associated genes in glioblastoma multiforme.
Published: January, 2010

Abstract: Disruption of apoptosis is considered as an important factor aiding tumorigenesis, and aberrant DNA methylation of apoptosis-associated genes could be an important and significant mechanism through which tumor cells avoid apoptosis. However, littl...
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Epigenetic silencing of peroxisome proliferator-activated receptor γ is a biomarker for colorectal cancer progression and adverse patients' outcome.
Published: January, 2010

Abstract: The relationship between peroxisome proliferator-activated receptor γ (PPARG) expression and epigenetic changes occurring in colorectal-cancer pathogenesis is largely unknown. We investigated whether PPARG is epigenetically regulated in colorectal...
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Disruption of Dnmt1/PCNA/UHRF1 interactions promotes tumorigenesis from human and mice glial cells.
Published: January, 2010

Abstract: Global DNA hypomethylation is a hallmark of cancer cells, but its molecular mechanisms have not been elucidated. Here, we show that the disruption of Dnmt1/PCNA/UHRF1 interactions promotes a global DNA hypomethylation in human gliomas. We then dem...
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Antitumor effects of a combined 5-aza-2'deoxycytidine and valproic acid treatment on rhabdomyosarcoma and medulloblastoma in Ptch mutant mice.
Published: February, 2009

Abstract: Patched (Ptch) heterozygous mice develop medulloblastoma (MB) and rhabdomyosarcoma (RMS) resembling the corresponding human tumors. We have previously shown that epigenetic silencing of the intact Ptch allele contributes to tumor formation in this...
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Bmi1 regulates memory CD4 T cell survival via repression of the Noxa gene.
Published: May, 2008

Abstract: The maintenance of memory T cells is central to the establishment of immunological memory, although molecular details of the process are poorly understood. In the absence of the polycomb group (PcG) gene Bmi1, the number of memory CD4(+) T helper ...
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Low dose effects of dichlorodiphenyltrichloroethane (DDT) on gene transcription and DNA methylation in the hypothalamus of young male rats: implication of hormesis-like effects.

Abstract: To verify the relationship between oxidative stress and DNA methylation in the young brain, dichlorodiphenyltrichloroethane (DDT) was administered by gavage to male young rats at doses of 0, 0.006, 0.06, 0.6, 6, and 60 mg/kg/day for a period of 4 ...
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