[HTML][HTML] Mediating and maintaining methylation while minimizing mutation: Recent advances on mammalian DNA methyltransferases

X Cheng, RM Blumenthal - Current opinion in structural biology, 2022 - Elsevier
Mammalian genomes are methylated on carbon-5 of many cytosines, mostly in CpG
dinucleotides. Methylation patterns are maintained during mitosis via DNMT1, and …

A DNMT3A mutation common in AML exhibits dominant-negative effects in murine ES cells

SJ Kim, H Zhao, S Hardikar, AK Singh… - Blood, The Journal …, 2013 - ashpublications.org
Somatic heterozygous mutations of the DNA methyltransferase gene DNMT3A occur
frequently in acute myeloid leukemia and other hematological malignancies, with the …

The R882H DNMT3A hot spot mutation stabilizes the formation of large DNMT3A oligomers with low DNA methyltransferase activity

TV Nguyen, S Yao, Y Wang, A Rolfe, A Selvaraj… - Journal of Biological …, 2019 - ASBMB
DNMT3A (DNA methyltransferase 3A) is a de novo DNA methyltransferase responsible for
establishing CpG methylation patterns within the genome. DNMT3A activity is essential for …

Oligomerization of DNMT3A controls the mechanism of de novo DNA methylation

C Holz-Schietinger, DM Matje, MF Harrison… - Journal of Biological …, 2011 - ASBMB
DNMT3A is one of two human de novo DNA methyltransferases essential for regulating
gene expression through cellular development and differentiation. Here we describe the …

Structural basis for impairment of DNA methylation by the DNMT3A R882H mutation

H Anteneh, J Fang, J Song - Nature communications, 2020 - nature.com
Abstract DNA methyltransferase DNMT3A is essential for establishment of mammalian DNA
methylation during development. The R882H DNMT3A is a hotspot mutation in acute …

Rapid and accurate remethylation of DNA in Dnmt3a-deficient hematopoietic cells with restoration of DNMT3A activity

Y Li, HJ Abel, M Cai, TA LaValle, T Yin, NM Helton… - Science …, 2024 - science.org
Here, we characterize the DNA methylation phenotypes of bone marrow cells from mice with
hematopoietic deficiency of Dnmt3a or Dnmt3b (or both enzymes) or expressing the …

Mutations in the DNMT3A DNA methyltransferase in acute myeloid leukemia patients cause both loss and gain of function and differential regulation by protein …

JE Sandoval, YH Huang, A Muise, MA Goodell… - Journal of Biological …, 2019 - ASBMB
Eukaryotic DNA methylation prevents genomic instability by regulating the expression of
oncogenes and tumor-suppressor genes. The negative effects of dysregulated DNA …

DNA methyltransferases in hematological malignancies

NM Hoang, L Rui - Journal of Genetics and Genomics, 2020 - Elsevier
DNA methyltransferases (DNMTs) are an evolutionarily conserved family of DNA
methylases, transferring a methyl group onto the fifth carbon of a cytosine residue. The …

[HTML][HTML] Loss of de novo DNA methyltransferase DNMT3A impacts alternative splicing in hematopoietic stem cells

R Ramabadran, J Wang, A Guzman, SM Cullen… - Blood, 2017 - Elsevier
DNMT3A is a de novo DNA methyltransferase that is crucial to the maintenance of normal
hematopoiesis. DNMT3A is frequently mutated in hematopoietic diseases, with mutations …

Structure-guided functional suppression of AML-associated DNMT3A hotspot mutations

J Lu, Y Guo, J Yin, J Chen, Y Wang, GG Wang… - Nature …, 2024 - nature.com
Abstract DNA methyltransferases DNMT3A-and DNMT3B-mediated DNA methylation
critically regulate epigenomic and transcriptomic patterning during development. The …