2. Signaling Pathways
  3. Immunology/Inflammation
  4. Cyclic GMP-AMP Synthase

Cyclic GMP-AMP Synthase

cGAS

Cyclic GMP-AMP Synthase

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Cyclic GMP-AMP synthase (cGAS) is a cytosolic DNA sensor that activates a type-I interferon response. cGAS binds to microbial DNA as well as self DNA that invades the cytoplasm, and catalyzes cGAMP synthesis. cGAMP then functions as a second messenger that binds to and activates the endoplasmic reticulum protein STING to trigger type-I IFNs production. STING recruits TBK1, which phosphorylates transcription factors, such as IRF3/7, and other substrates, such as IKKα, cRel, and p62.

cGAS is a critical regulator of inflammatory and autophagy responses in Huntington disease (HD). cGAS can induce signaling that is known to promote the up-regulation of inflammatory genes and play a critical role in age-related macular degeneration and cellular senescence. cGAS also plays a major role in the regulation of autophagy; this indicates that there is a close molecular and signaling link between inflammatory response and autophagy.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-162966
    MS7829
    		Degrader
    MS7829 is a cGAS inhibitor-based deubiquitinase-targeted chimera (DUBTAC), a targeted protein stabilization (TPS) technology. cGAS is a key component in the cGAS-STING pathway..
    MS7829
  • HY-N15159
    Cladophorol A
    		Inhibitor
    Cladophorol A is a cGAS inhibitor that binds to the conserved adenosine nucleobase binding site of cGAS, thereby blocking its activity. At non-cytotoxic concentrations, Cladophorol A effectively inhibits the overactivation of the cGAS-STING pathway with an IC50 of 370 nM. Cladophorol A holds potential for research on inflammatory diseases related to the overactivation of the cGAS-STING pathway.
    Cladophorol A
  • HY-123468A
    HA-1004 di(hydrochloride)
    		Inhibitor
    HA-1004 dihydrochloride is a selective inhibitor of PKA, which can inhibit lipolysis and induce vascular relaxation. HA-1004 dihydrochloride is also a dual inhibitor of cyclic GMP-dependent protein kinase and cyclic AMP-dependent protein, and is involved in smooth muscle, second messenger, cyclic AMP and cyclic GMP regulation mechanisms. HA-1004 dihydrochloride is an antagonist for calcium, that can be used as a vasodilator to inhibit the contraction of rabbit aortic strips, or to antagonize ERK and tyrosine hydroxylase (TH) phosphorylation in morphine abstinence rat models.
    HA-1004 di(hydrochloride)
Cat. No. Product Name / Synonyms Application Reactivity