ImmunoSensation - the immune sensory system

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Cell Res. 2013 Feb 19.

DNA sensing unchained.

Ablasser A, Hornung V

In two recent reports in Science, James Chen and colleagues provide compelling evidence that detection of cytosolic DNA triggers the production of a novel second messenger, cyclic GMP-AMP (cGAMP), which in turn activates a signaling pathway that induces type I interferons (IFNs) in a STING-dependent manner. They further unravel a key role for a so far uncharacterized murine protein E330016A19 (human homolog: C6ORF150), now termed cGAMP synthetase (cGAS), to act as the DNA sensor that generates cGAMP.

PMID: 23419517