The exonuclease TREX1 constitutes an innate immune checkpoint limiting cGAS/STING-mediated antitumor immunity

J Lim, R Rodriguez, K Williams, J Silva… - Cancer Immunology …, 2024 - AACR
The DNA exonuclease three-prime repair exonuclease 1 (TREX1) is critical for preventing
autoimmunity in mice and humans by degrading endogenous cytosolic DNA, which …

TREX1 is a checkpoint for innate immune sensing of DNA damage that fosters cancer immune resistance

S Demaria, C Vanpouille-Box - Emerging Topics in Life …, 2017 - portlandpress.com
Genomic instability is a hallmark of neoplastic transformation that leads to the accumulation
of mutations, and generates a state of replicative stress in neoplastic cells associated with …

TREX1 as a novel immunotherapeutic target

WO Hemphill, SR Simpson, M Liu… - Frontiers in …, 2021 - frontiersin.org
Mutations in the TREX1 3'→ 5'exonuclease are associated with a spectrum of autoimmune
disease phenotypes in humans and mice. Failure to degrade DNA activates the cGAS …

TREX1 Inactivation Unleashes Cancer Cell STING–Interferon Signaling and Promotes Antitumor Immunity

T Tani, H Mathsyaraja, M Campisi, ZH Li, K Haratani… - Cancer Discovery, 2024 - AACR
A substantial fraction of cancers evade immune detection by silencing Stimulator of
Interferon Genes (STING)-Interferon (IFN) signaling. Therapeutic reactivation of this program …

Intratumoral TREX1 induction promotes immune evasion by limiting type I IFN

E Toufektchan, A Dananberg, J Striepen… - Cancer Immunology …, 2024 - AACR
Chromosomal instability is a hallmark of human cancer that is associated with aggressive
disease characteristics. Chromosome mis-segregations help fuel natural selection, but they …

TREX1 cytosolic DNA degradation correlates with autoimmune disease and cancer immunity

L Fang, S Ying, X Xu, D Wu - Clinical and Experimental …, 2023 - academic.oup.com
The N-terminal domain of Three Prime Repair Exonuclease 1 (TREX1) is catalytically active
and can degrade dsDNA or ssDNA in the cytosol, whereas the C-terminal domain is …

TREX1 plays multiple roles in human diseases

Q Wang, J Du, S Hua, K Zhao - Cellular Immunology, 2022 - Elsevier
Three-prime repair exonuclease 1 (TREX1) is a major 3′–5′ DNA exonuclease, which
digests cytosolic DNA to avoid inappropriate activation of the innate immune system …

TREX1 dictates the immune fate of irradiated cancer cells

C Vanpouille-Box, SC Formenti, S Demaria - Oncoimmunology, 2017 - Taylor & Francis
The optimal radiation dose and fractionation to induce anti-tumor immunity remain elusive.
We recently found that the exonuclease TREX1 abrogates the immunogenicity of irradiated …

DNA exonuclease Trex1 regulates radiotherapy-induced tumour immunogenicity

C Vanpouille-Box, A Alard, MJ Aryankalayil… - Nature …, 2017 - nature.com
Radiotherapy is under investigation for its ability to enhance responses to immunotherapy.
However, the mechanisms by which radiation induces anti-tumour T cells remain unclear …

[HTML][HTML] DNA mismanagement leads to immune system oversight

L Coscoy, DH Raulet - Cell, 2007 - cell.com
Trex1, a major 3′ DNA exonuclease in mammalian cells, has been thought to act primarily
in DNA replication or repair. Surprisingly, the major phenotype resulting from Trex1 …