Methyl marks on RNA discovered to be key to brain cell connections

Methyl chemical groups dot lengths of DNA, helping to control when certain genes are accessible by a cell. In new research, UCLA scientists have shown that at the connections between brain cells—which often are located far from the central control centers of the cells—methyl groups also dot chains of RNA. This methyl markup of RNA molecules is likely key to brain cells' ability to quickly send signals to other cells and react to changing stimuli in a fraction of a second.

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