Multi-function protein is key to stopping genomic parasites from 'jumping'

Most organisms, including humans, have parasitic DNA fragments called 'jumping genes' that insert themselves into DNA molecules, disrupting genetic instructions in the process. And that phenomenon can result in age-related diseases such as cancer. But researchers now report that the 'jumping genes' in mice become active as the mice age when a multi-function protein stops keeping them in check in order to take on another role.

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