Structure-based mechanisms of 2′ 3′-cGAMP intercellular transport in the cGAS–STING immune pathway

W Xie, DJ Patel - Trends in Immunology, 2023 - cell.com
Upon activation by double-stranded DNA (dsDNA), the cytosolic dsDNA sensor cyclic GMP-
AMP synthase (cGAS) synthesizes the diffusible cyclic dinucleotide 2′ 3′-cGAMP (cyclic …

cGAMP the travelling messenger

HTW Blest, L Chauveau - Frontiers in Immunology, 2023 - frontiersin.org
2'3'-cGAMP is a key molecule in the cGAS-STING pathway. This cyclic dinucleotide is
produced by the cytosolic DNA sensor cGAS in response to the presence of aberrant dsDNA …

Biochemistry, cell biology, and pathophysiology of the innate immune cGAS–cGAMP–STING pathway

C Ritchie, JA Carozza, L Li - Annual Review of Biochemistry, 2022 - annualreviews.org
In the decade since the discovery of the innate immune cyclic GMP–AMP synthase (cGAS)–
2′ 3′-cyclic GMP–AMP (cGAMP)–stimulator of interferon genes (STING) pathway, its …

ABCC1 transporter exports the immunostimulatory cyclic dinucleotide cGAMP

JH Maltbaek, S Cambier, JM Snyder, DB Stetson - Immunity, 2022 - cell.com
The DNA sensor cyclic GMP-AMP synthase (cGAS) is important for antiviral and anti-tumor
immunity. cGAS generates cyclic GMP-AMP (cGAMP), a diffusible cyclic dinucleotide that …

Nonspecific DNA binding of cGAS N terminus promotes cGAS activation

J Tao, XW Zhang, J Jin, XX Du, T Lian… - The Journal of …, 2017 - journals.aai.org
The cytosolic DNA sensor cyclic GMP-AMP synthase (cGAS) mediates innate immune
responses against invading pathogens, or against self-dsDNA, which causes autoimmune …

Cyclic GMP–AMP as an endogenous second messenger in innate immune signaling by cytosolic DNA

K Kato, H Omura, R Ishitani… - Annual review of …, 2017 - annualreviews.org
The innate immune system functions as the first line of defense against invading bacteria
and viruses. In this context, the cGAS/STING [cyclic guanosine monophosphate (GMP) …

The innate immune DNA sensor cGAS: A membrane, cytosolic, or nuclear protein?

NO Gekara, H Jiang - Science Signaling, 2019 - science.org
Cyclic cGMP-AMP synthase (cGAS) alerts the innate immune system to the presence of
foreign or damaged self-DNA inside the cell and is critical for the outcome of infections …

The cGAS-STING pathway for DNA sensing

TS Xiao, KA Fitzgerald - Molecular cell, 2013 - cell.com
The nucleotidyl transferase cGAS, its second-messenger product cGAMP, and the cGAMP
sensor STING form the basic mechanism of DNA sensing in the cytoplasm of mammalian …

Ancient origin of cGAS-STING reveals mechanism of universal 2′, 3′ cGAMP signaling

PJ Kranzusch, SC Wilson, ASY Lee, JM Berger… - Molecular cell, 2015 - cell.com
In humans, the cGAS-STING immunity pathway signals in response to cytosolic DNA via 2′,
3′ cGAMP, a cyclic dinucleotide (CDN) second messenger containing mixed 2′–5′ and …

LRRC8A: C/E heteromeric channels are ubiquitous transporters of cGAMP

LJ Lahey, RE Mardjuki, X Wen, GT Hess, C Ritchie… - Molecular cell, 2020 - cell.com
Summary Extracellular 2′ 3′-cyclic-GMP-AMP (cGAMP) is an immunotransmitter exported
by diseased cells and imported into host cells to activate the innate immune STING pathway …