The epigenetic role of vitamin C in neurodevelopment

SJ Coker, CC Smith-Díaz, RM Dyson… - International Journal of …, 2022 - mdpi.com
The maternal diet during pregnancy is a key determinant of offspring health. Early studies
have linked poor maternal nutrition during gestation with a propensity for the development of …

Modifiers and readers of DNA modifications and their impact on genome structure, expression, and stability in disease

AK Ludwig, P Zhang, MC Cardoso - Frontiers in genetics, 2016 - frontiersin.org
Cytosine base modifications in mammals underwent a recent expansion with the addition of
several naturally occurring further modifications of methylcytosine in the last years. This …

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 …

DNA repair enzymes ALKBH2, ALKBH3, and AlkB oxidize 5-methylcytosine to 5-hydroxymethylcytosine, 5-formylcytosine and 5-carboxylcytosine in vitro

K Bian, SAP Lenz, Q Tang, F Chen, R Qi… - Nucleic acids …, 2019 - academic.oup.com
Methylcytosine (5mC) in DNA CpG islands is an important epigenetic biomarker for
mammalian gene regulation. It is oxidized to 5-hydroxymethylcytosine (5hmC), 5 …

Mutations along a TET2 active site scaffold stall oxidation at 5-hydroxymethylcytosine

MY Liu, H Torabifard, DJ Crawford, JE DeNizio… - Nature chemical …, 2017 - nature.com
Ten-eleven translocation (TET) enzymes catalyze stepwise oxidation of 5-methylcytosine
(mC) to yield 5-hydroxymethylcytosine (hmC) and the rarer bases 5-formylcytosine (fC) and …

TET-TDG active DNA demethylation at CpG and non-CpG sites

JE DeNizio, BJ Dow, JC Serrano, U Ghanty… - Journal of molecular …, 2021 - Elsevier
In mammalian genomes, cytosine methylation occurs predominantly at CG (or CpG)
dinucleotide contexts. As part of dynamic epigenetic regulation, 5-methylcytosine (mC) can …

What is the catalytic mechanism of enzymatic histone N‐methyl arginine demethylation and can it be influenced by an external electric field?

R Ramanan, SO Waheed, CJ Schofield… - … –A European Journal, 2021 - Wiley Online Library
Arginine methylation is an important mechanism of epigenetic regulation. Some Fe (II) and 2‐
oxoglutarate dependent Jumonji‐C (JmjC) Nϵ‐methyl lysine histone demethylases also …

Unusual catalytic strategy by non-heme Fe (II)/2-oxoglutarate-dependent aspartyl hydroxylase AspH

A Krishnan, SO Waheed, A Varghese… - Chemical …, 2024 - pubs.rsc.org
Biocatalytic C–H oxidation reactions are of important synthetic utility, provide a sustainable
route for selective synthesis of important organic molecules, and are an integral part of …

Insight into wild-type and T1372E TET2-mediated 5hmC oxidation using ab initio QM/MM calculations

H Torabifard, GA Cisneros - Chemical science, 2018 - pubs.rsc.org
Ten-eleven translocation 2 (TET2) is an Fe/α-ketoglutarate (α-KG) dependent enzyme that
dealkylates 5-methylcytosine (5mC). The reaction mechanism involves a series of three …

Recent advance in optical single-molecule detection of methylation modification and methyl-modifying enzymes

Y Han, D Yang, S Jiang, S Zhao, F Ma… - TrAC Trends in Analytical …, 2024 - Elsevier
As the predominant epigenetic markers, methyl-modifying enzymes-catalyzed methylation
modification widely participates in the regulation of cellular functions, and the dysregulation …