Target intelligence / Profile preview

Cyclic GMP-AMP Synthase (cGAS)

Target
cGAS
Molecular classification
Enzyme, Nucleotidyltransferase, DNA Sensor
01

Overview

Cyclic GMP-AMP synthase (cGAS) is a cytosolic enzyme that functions as a key sensor of double-stranded DNA (dsDNA) in the innate immune system. Upon binding to dsDNA in the cytoplasm, cGAS catalyzes the synthesis of cyclic GMP-AMP (cGAMP), a secondary messenger that activates downstream immune signaling pathways. Dysregulation is linked to autoimmune diseases while targeted stimulation may be beneficial in immuno-oncology. Recent studies also show direct involvement in autophagy regulation.

Other names
Mb21d1
02

Mechanism of action

Modulation of cGAS activity (activation or inhibition)

03

Biological functions

Innate immunityDNA sensingActivation of STING signalingType I interferon productionAutophagy regulation
04

Disease associations

Autoimmune diseasesChronic inflammationCancerAge-related macular degenerationCellular senescenceDiabetes complicationsNeurodegenerative disorders
05

Safety considerations

Potential for off-target effects on immune systemRisk of exacerbating autoimmune diseases with activatorsPotential for immune suppression with inhibitors

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