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The genome of an organism contains all hereditary information encoded in DNA. So it is extremely important to sequence the genome which determines how the organisms survive, develop and multiply. Since three decades, due to massive efforts on DNA sequencing, complete genome sequence of a large number of organisms including humans are now known and the genomic databases are growing exponentially with...
The RASSF1A tumor suppressor gene is epigenetically silenced in a variety of cancers. Here, we perform a genome-wide human shRNA screen and find that epigenetic silencing of RASSF1A requires the homeobox protein HOXB3. We show that HOXB3 binds to the DNA methyltransferase DNMT3B gene and increases its expression. DNMT3B, in turn, is recruited to the RASSF1A promoter, resulting in hypermethylation...
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