DNA alkylation damage by nitrosamines and relevant DNA repair pathways

J Fahrer, M Christmann - International journal of molecular sciences, 2023 - mdpi.com
Nitrosamines occur widespread in food, drinking water, cosmetics, as well as tobacco smoke
and can arise endogenously. More recently, nitrosamines have been detected as impurities …

Epigenetic regulation of genomic stability by vitamin C

JP Brabson, T Leesang, S Mohammad… - Frontiers in genetics, 2021 - frontiersin.org
DNA methylation plays an important role in the maintenance of genomic stability. Ten-
eleven translocation proteins (TETs) are a family of iron (Fe2+) and α-KG-dependent …

How human TET2 enzyme catalyzes the oxidation of unnatural cytosine modifications in double-stranded DNA

SO Waheed, A Varghese, SS Chaturvedi… - ACS …, 2022 - ACS Publications
Methylation of cytosine bases is strongly linked to gene expression, imprinting, aging, and
carcinogenesis. The ten-eleven translocation (TET) family of enzymes, which are Fe (II)/2 …

Catalytic mechanism of human ten-eleven translocation-2 (tet2) enzyme: Effects of conformational changes, electric field, and mutations

SO Waheed, SS Chaturvedi… - ACS …, 2021 - ACS Publications
Ten-eleven translocation (TET) family of enzymes are non-heme Fe (II)-and 2-oxoglutarate
(2OG)-dependent oxygenases that perform oxidation of the methyl group of the 5 …

Reversal of nucleobase methylation by dioxygenases

GL Xu, M Bochtler - Nature chemical biology, 2020 - nature.com
The repertoire of nucleobase methylation in DNA and RNA, introduced by chemical agents
or enzymes, is large. Most methylation can be reversed either directly by restoration of the …

The role of demethylase AlkB homologs in cancer

Q Li, Q Zhu - Frontiers in Oncology, 2023 - frontiersin.org
The AlkB family (ALKBH1-8 and FTO), a member of the Fe (II)-and α-ketoglutarate-
dependent dioxygenase superfamily, has shown the ability to catalyze the demethylation of …