DNA methylation at Polycomb-associated regulatory regions

There is 1 paper on DNA methylation at Polycomb-associated regulatory regions in aging research: 1 observational study in people. The newest story, Nov 5, 2026: “Human blood retains DNA-marking patterns formed before birth”.

Biomarker

1 paper studies it2 findings

1 new paper in 30 daysSee all 1 papers on DNA methylation at Polycomb-associated regulatory regions

“Expansions do, however, converge on methylation change at Polycomb-associated regulatory regions, gaining methylation in most clades but losing it where DNMT3A is mutated.”
Evolution of the human methylome in blood from embryo to ageing and cancerResearch Square2026doi:10.21203/rs.3.rs-11370327/v1
  • Humans1

Associations

2

DNMT3A

downin humans1

1 study
  1. DNMT3A is associated with DNA methylation at Polycomb-associated regulatory regions in humans (DNMT3A-mutated clonal expansions).

    “Expansions do, however, converge on methylation change at Polycomb-associated regulatory regions, gaining methylation in most clades but losing it where DNMT3A is mutated.”

    HumansDNMT3A-mutated clonal expansionsblood

    Human blood retains DNA-marking patterns formed before birth

    Research SquarePreprint

More on DNMT3A

Clonal expansions

upin humans1

1 study
  1. Clonal expansions are associated with DNA methylation at Polycomb-associated regulatory regions in humans (most clades of clonal expansions).

    “Expansions do, however, converge on methylation change at Polycomb-associated regulatory regions, gaining methylation in most clades but losing it where DNMT3A is mutated.”

    Humansmost clades of clonal expansionsblood

    Human blood retains DNA-marking patterns formed before birth

    Research SquarePreprint

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Research Square

Human blood retains DNA-marking patterns formed before birth

Each blood cell carried about 300,000 acquired DNA-marking changes before birth, including more than 3,000 in large segments that remained stable for decades.Each blood cell carried about 300,000 acquired DNA-marking changes before birth, including more than 3,000 in large segments that remained stable for decades.

Preprint: cross-sectional · 13 peopleMechanisms