Cellular pyrimidine imbalance triggers mitochondrial DNA–dependent innate immunity

HG Sprenger, T MacVicar, A Bahat, KU Fiedler… - Nature …, 2021 - nature.com
Cytosolic mitochondrial DNA (mtDNA) elicits a type I interferon response, but signals
triggering the release of mtDNA from mitochondria remain enigmatic. Here, we show that …

Mitochondrial DNA stress signalling protects the nuclear genome

Z Wu, S Oeck, AP West, KC Mangalhara, AG Sainz… - Nature …, 2019 - nature.com
The mammalian genome comprises nuclear DNA (nDNA) derived from both parents and
mitochondrial DNA (mtDNA) that is maternally inherited and encodes essential proteins …

Mitochondrial DNA release in innate immune signaling

LE Newman, GS Shadel - Annual Review of Biochemistry, 2023 - annualreviews.org
According to the endosymbiotic theory, most of the DNA of the original bacterial
endosymbiont has been lost or transferred to the nucleus, leaving a much smaller (∼ 16 kb …

Mitochondrial DNA in inflammation and immunity

JS Riley, SWG Tait - EMBO reports, 2020 - embopress.org
Mitochondria are cellular organelles that orchestrate a vast range of biological processes,
from energy production and metabolism to cell death and inflammation. Despite this …

Mitochondrial DNA in the regulation of innate immune responses

C Fang, X Wei, Y Wei - Protein & cell, 2016 - academic.oup.com
Mitochondrion is known as the energy factory of the cell, which is also a unique mammalian
organelle and considered to be evolved from aerobic prokaryotes more than a billion years …

Mitochondrial DNA in innate immune responses and inflammatory pathology

AP West, GS Shadel - Nature Reviews Immunology, 2017 - nature.com
Mitochondrial DNA (mtDNA)—which is well known for its role in oxidative phosphorylation
and maternally inherited mitochondrial diseases—is increasingly recognized as an agonist …

Metabolism and innate immunity meet at the mitochondria

A Bahat, T MacVicar, T Langer - Frontiers in Cell and Developmental …, 2021 - frontiersin.org
Mitochondria are master regulators of metabolism and have emerged as key signalling
organelles of the innate immune system. Each mitochondrion harbours potent agonists of …

Assessing mitochondrial DNA release into the cytosol and subsequent activation of innate immune‐related pathways in mammalian cells

JD Bryant, Y Lei, JJ VanPortfliet, AD Winters… - Current …, 2022 - Wiley Online Library
Mitochondria have emerged as key drivers of mammalian innate immune responses,
functioning as signaling hubs to trigger inflammation and orchestrating metabolic switches …

Mitochondrial DNA stress primes the antiviral innate immune response

P West - Biophysical Journal, 2015 - cell.com
Mitochondria are central participants in a variety of cellular processes including ATP
generation, programmed cell death, signal transduction, and innate immunity …

Mitochondrial DNA replication stress triggers a pro-inflammatory endosomal pathway of nucleoid disposal

LE Newman, S Weiser Novak, GR Rojas… - Nature Cell …, 2024 - nature.com
Mitochondrial DNA (mtDNA) encodes essential subunits of the oxidative phosphorylation
system, but is also a major damage-associated molecular pattern (DAMP) that engages …