[PDF][PDF] Divergent effects of Dnmt3a and Tet2 mutations on hematopoietic progenitor cell fitness

EL Ostrander, AC Kramer, C Mallaney, H Celik… - Stem cell reports, 2020 - cell.com
The DNA methylation regulators DNMT3A and TET2 are recurrently mutated in
hematological disorders. Despite possessing antagonistic biochemical activities, loss-of …

[HTML][HTML] Epigenetic modification of cytosines in hematopoietic differentiation and malignant transformation

J An, M Ko - International Journal of Molecular Sciences, 2023 - mdpi.com
The mammalian DNA methylation landscape is established and maintained by the
combined activities of the two key epigenetic modifiers, DNA methyltransferases (DNMT) …

DNA methylation disruption reshapes the hematopoietic differentiation landscape

F Izzo, SC Lee, A Poran, R Chaligne, F Gaiti, B Gross… - Nature …, 2020 - nature.com
Mutations in genes involved in DNA methylation (DNAme; for example, TET2 and DNMT3A)
are frequently observed in hematological malignancies,–and clonal hematopoiesis …

DNMT3A haploinsufficiency causes dichotomous DNA methylation defects at enhancers in mature human immune cells

JY Lim, SH Duttke, TS Baker, J Lee… - Journal of Experimental …, 2021 - rupress.org
DNMT3A encodes an enzyme that carries out de novo DNA methylation, which is essential
for the acquisition of cellular identity and specialized functions during cellular differentiation …

[PDF][PDF] DNA methyltransferase 1 is essential for and uniquely regulates hematopoietic stem and progenitor cells

JJ Trowbridge, JW Snow, J Kim, SH Orkin - Cell stem cell, 2009 - cell.com
DNA methylation is essential for development and in diverse biological processes. The DNA
methyltransferase Dnmt1 maintains parental cell methylation patterns on daughter DNA …

[HTML][HTML] Impact of constitutional TET2 haploinsufficiency on molecular and clinical phenotype in humans

E Kaasinen, O Kuismin, K Rajamäki… - Nature …, 2019 - nature.com
Clonal hematopoiesis driven by somatic heterozygous TET2 loss is linked to malignant
degeneration via consequent aberrant DNA methylation, and possibly to cardiovascular …

Dnmt3a loss predisposes murine hematopoietic stem cells to malignant transformation

A Mayle, L Yang, B Rodriguez, T Zhou… - Blood, The Journal …, 2015 - ashpublications.org
Abstract DNA methyltransferase 3A (DNMT3A) is mutated in hematologic malignancies
affecting myeloid, mixed, and lymphoid lineages, and these mutations are associated with …

[HTML][HTML] Dnmt3a and Dnmt3b have overlapping and distinct functions in hematopoietic stem cells

GA Challen, D Sun, A Mayle, M Jeong, M Luo… - Cell stem cell, 2014 - cell.com
Epigenetic regulation of hematopoietic stem cells (HSCs) ensures lifelong production of
blood and bone marrow. Recently, we reported that loss of de novo DNA methyltransferase …

[PDF][PDF] Tissue-biased expansion of DNMT3A-mutant clones in a mosaic individual is associated with conserved epigenetic erosion

A Tovy, JM Reyes, MC Gundry, L Brunetti, H Lee-Six… - Cell Stem Cell, 2020 - cell.com
Summary DNA methyltransferase 3A (DNMT3A) is the most commonly mutated gene in
clonal hematopoiesis (CH). Somatic DNMT3A mutations arise in hematopoietic stem cells …

[PDF][PDF] Loss of Dnmt3a immortalizes hematopoietic stem cells in vivo

M Jeong, HJ Park, H Celik, EL Ostrander, JM Reyes… - Cell reports, 2018 - cell.com
Somatic mutations in DNMT3A are recurrent events across a range of blood cancers.
Dnmt3a loss of function in hematopoietic stem cells (HSCs) skews divisions toward self …