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May 12, 2016

Gene regulatory mutation linked to rare childhood cancer

Posted by in categories: biotech/medical, health

Nice and interesting Gene Mutation Discovery.


A single defect in a gene that codes for a histone — a “spool” that wraps idle DNA — is linked to pediatric cancers in a study published in the journal Science.

“Unlike most cancers that require multiple hits, we found that this particular mutation can form a tumor all by itself,” says Peter W. Lewis, an assistant professor of biomolecular chemistry in the School of Medicine and Public Health at the University of Wisconsin-Madison.

Histones derive their pattern from the same genome that they help to pack up and organize. “A histone’s day job is compacting the genome,” says Lewis. “The histone takes six feet of DNA and packs it in something that is a few microns in diameter.”

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