Mammals divert endogenous genotoxic formaldehyde into one-carbon metabolism
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 …
the synthesis of nucleotides and amino acids and epigenetic modifications. This cycle might …
Quantitative flux analysis reveals folate-dependent NADPH production
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 …
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 …
essential biosynthetic reactions and for writing epigenetics marks. The leading role in this …
Formaldehyde regulates S-adenosylmethionine biosynthesis and one-carbon metabolism
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 …
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
Reactive aldehydes are common carcinogens. They are also by-products of several
metabolic pathways and, without enzymatic catabolism, may accumulate and cause DNA …
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 …
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 …
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 …
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
Endogenous formaldehyde is produced by numerous biochemical pathways fundamental to
life, and it can crosslink both DNA and proteins. However, the consequences of its …
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
Cancer cells fuel their increased need for nucleotide supply by upregulating one-carbon
(1C) metabolism, including the enzymes methylenetetrahydrofolate dehydrogenase …
(1C) metabolism, including the enzymes methylenetetrahydrofolate dehydrogenase …