Mammals divert endogenous genotoxic formaldehyde into one-carbon metabolism

G Burgos-Barragan, N Wit, J Meiser, FA Dingler… - Nature, 2017 - nature.com
The folate-driven one-carbon (1C) cycle is a fundamental metabolic hub in cells that enables
the synthesis of nucleotides and amino acids and epigenetic modifications. This cycle might …

Quantitative flux analysis reveals folate-dependent NADPH production

J Fan, J Ye, JJ Kamphorst, T Shlomi, CB Thompson… - Nature, 2014 - nature.com
ATP is the dominant energy source in animals for mechanical and electrical work (for
example, muscle contraction or neuronal firing). For chemical work, there is an equally …

[HTML][HTML] The toxic side of one-carbon metabolism and epigenetics

AE Morellato, C Umansky, LB Pontel - Redox Biology, 2021 - Elsevier
One-carbon metabolism is a central metabolic hub that provides one-carbon units for
essential biosynthetic reactions and for writing epigenetics marks. The leading role in this …

Formaldehyde regulates S-adenosylmethionine biosynthesis and one-carbon metabolism

VN Pham, KJ Bruemmer, JDW Toh, EJ Ge, L Tenney… - Science, 2023 - science.org
One-carbon metabolism is an essential branch of cellular metabolism that intersects with
epigenetic regulation. In this work, we show how formaldehyde (FA), a one-carbon unit …

Fancd2 counteracts the toxic effects of naturally produced aldehydes in mice

F Langevin, GP Crossan, IV Rosado, MJ Arends… - Nature, 2011 - nature.com
Reactive aldehydes are common carcinogens. They are also by-products of several
metabolic pathways and, without enzymatic catabolism, may accumulate and cause DNA …

Formaldehyde catabolism is essential in cells deficient for the Fanconi anemia DNA-repair pathway

IV Rosado, F Langevin, GP Crossan… - Nature structural & …, 2011 - nature.com
Metabolism is predicted to generate formaldehyde, a toxic, simple, reactive aldehyde that
can damage DNA. Here we report a synthetic lethal interaction in avian cells between …

Alcohol-derived DNA crosslinks are repaired by two distinct mechanisms

MR Hodskinson, A Bolner, K Sato… - Nature, 2020 - nature.com
Acetaldehyde is a highly reactive, DNA-damaging metabolite that is produced upon alcohol
consumption. Impaired detoxification of acetaldehyde is common in the Asian population …

[HTML][HTML] Endogenous formaldehyde scavenges cellular glutathione resulting in redox disruption and cytotoxicity

C Umansky, AE Morellato, M Rieckher… - Nature …, 2022 - nature.com
Formaldehyde (FA) is a ubiquitous endogenous and environmental metabolite that is
thought to exert cytotoxicity through DNA and DNA-protein crosslinking, likely contributing to …

[HTML][HTML] Endogenous formaldehyde is a hematopoietic stem cell genotoxin and metabolic carcinogen

LB Pontel, IV Rosado, G Burgos-Barragan… - Molecular cell, 2015 - cell.com
Endogenous formaldehyde is produced by numerous biochemical pathways fundamental to
life, and it can crosslink both DNA and proteins. However, the consequences of its …

[HTML][HTML] Formate overflow drives toxic folate trapping in MTHFD1 inhibited cancer cells

AC Green, P Marttila, N Kiweler, C Chalkiadaki… - Nature …, 2023 - nature.com
Cancer cells fuel their increased need for nucleotide supply by upregulating one-carbon
(1C) metabolism, including the enzymes methylenetetrahydrofolate dehydrogenase …