2007
DOI: 10.1203/pdr.0b013e3180457684
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Epigenetics and MicroRNAs

Abstract: Epigenetics is defined as mitotically and meiotically heritable changes in gene expression that do not involve a change in the DNA sequence. Two major areas of epigenetics-DNA methylation and histone modifications-are known to have profound effects on controlling gene expression. DNA methylation is involved in normal cellular control of expression, and aberrant hypermethylation can lead to silencing of tumor-suppressor genes in carcinogenesis. Histone modifications control the accessibility of the chromatin an… Show more

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Cited by 580 publications
(453 citation statements)
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References 64 publications
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“…We now know that epigenetics, which includes the methylation status of DNA and the posttranslational modifications of histones, has an important function in tumorigenesis in mammals (Jones and Baylin, 2002;Esteller, 2008). The best-known epigenetic marker is DNA methylation, and together with specific histone modifications and specific miRNA signatures, it defines a molecular landscape that is altered in cancer (Fraga and Esteller, 2005;Chuang and Jones, 2007;Lujambio et al, 2007).…”
Section: Epigeneticsmentioning
confidence: 99%
“…We now know that epigenetics, which includes the methylation status of DNA and the posttranslational modifications of histones, has an important function in tumorigenesis in mammals (Jones and Baylin, 2002;Esteller, 2008). The best-known epigenetic marker is DNA methylation, and together with specific histone modifications and specific miRNA signatures, it defines a molecular landscape that is altered in cancer (Fraga and Esteller, 2005;Chuang and Jones, 2007;Lujambio et al, 2007).…”
Section: Epigeneticsmentioning
confidence: 99%
“…[68][69][70]; (ii) epigenetic regulation of miRNA expression (for details, see Refs. 71,72) and (iii) abnormalities in miRNA processing genes and proteins. We will further detail only the last mechanism.…”
Section: Profiling Of Mirna Expression Using Real-time Rt Pcrmentioning
confidence: 99%
“…One of the important regulatory mechanisms at the epigenetic level is applied through microRNAs (miRNAs) [11]. MiRNAs are short (∼22 nt in length) non-coding RNA molecules that bind specifically to mRNA molecules to posttranscriptional control of gene expression [52].…”
Section: Introductionmentioning
confidence: 99%