Search Results - "WARCZOK, Katarzyna E"
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Active and Repressive Chromatin Are Interspersed without Spreading in an Imprinted Gene Cluster in the Mammalian Genome
Published in Molecular cell (03-08-2007)“…The Igf2r imprinted cluster is an epigenetic silencing model in which expression of a ncRNA silences multiple genes in cis. Here, we map a 250 kb region in…”
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An in vitro ES cell imprinting model shows that imprinted expression of the Igf2r gene arises from an allele-specific expression bias
Published in Development (Cambridge) (01-02-2009)“…Genomic imprinting is an epigenetic process that results in parental-specific gene expression. Advances in understanding the mechanism that regulates imprinted…”
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Extra-embryonic-specific imprinted expression is restricted to defined lineages in the post-implantation embryo
Published in Developmental biology (15-05-2011)“…A subset of imprinted genes in the mouse have been reported to show imprinted expression that is restricted to the placenta, a short-lived extra-embryonic…”
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Identification of the human homolog of the imprinted mouse Air non-coding RNA
Published in Genomics (San Diego, Calif.) (01-12-2008)“…Genomic imprinting is widely conserved amongst placental mammals. Imprinted expression of IGF2R, however, differs between mice and humans. In mice, Igf2r…”
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A downstream CpG island controls transcript initiation and elongation and the methylation state of the imprinted Airn macro ncRNA promoter
Published in PLoS genetics (01-03-2012)“…A CpG island (CGI) lies at the 5' end of the Airn macro non-protein-coding (nc) RNA that represses the flanking Igf2r promoter in cis on paternally inherited…”
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Silencing and transcriptional properties of the imprinted Airn ncRNA are independent of the endogenous promoter
Published in The EMBO journal (03-12-2008)“…The Airn macro ncRNA is the master regulator of imprinted expression in the Igf2r imprinted gene cluster where it silences three flanking genes in cis . Airn…”
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Airn Transcriptional Overlap, But Not Its lncRNA Products, Induces Imprinted Igf2r Silencing
Published in Science (American Association for the Advancement of Science) (14-12-2012)“…Mammalian imprinted genes often cluster with long noncoding (lnc) RNAs. Three lncRNAs that induce parental-specific silencing show hallmarks indicating that…”
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Imprinted Igf2r silencing depends on continuous Airn lncRNA expression and is not restricted to a developmental window
Published in Development (Cambridge) (15-03-2013)“…The imprinted Airn macro long non-coding (lnc) RNA is an established example of a cis-silencing lncRNA. Airn expression is necessary to initiate…”
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Long-range DNase I hypersensitivity mapping reveals the imprinted Igf2r and Air promoters share cis-regulatory elements
Published in Genome research (01-10-2005)“…Epigenetic mechanisms restrict the expression of imprinted genes to one parental allele in diploid cells. At the Igf2r/Air imprinted cluster on mouse…”
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