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In this study, we identified an antisense transcript to ZIM2 (zinc finger imprinted gene 2) in the human, called ZIM2as. Sequence analysis of the 110 kb region spanned by this transcript revealed a cluster of tandemly repeated sequence in the human, orangutan, and chimpanzee as well as a loss of approximately 70 kb from the corresponding region in the rhesus. The homologous region in most mammals...
In this study, we performed the first systematic survey of DNA methylation status of the CpG islands of the PEG3 (Paternally expressed gene 3) imprinted domain in the mouse, cow, and human genomes. Previous studies have shown that the region surrounding the first exon of PEG3 contains a differentially methylated CpG island. In addition, we have discovered two previously unreported differentially methylated...
CpG island hypermethylation is known to be associated with transcriptional silencing of tumor suppressor genes in neoplasia. We have previously detected aberrantly methylated sites in the first intron of the Wilms' tumor suppressor (WT1) gene in breast cancer. In the present study, we extended the investigation to a CpG island located in the promoter and first exon regions of WT1. Methylation of this...
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