What does the research say about LINE-1 promoter methylation loss?

LINE-1 promoter methylation loss

There is 1 paper on LINE-1 promoter methylation loss in aging research: 1 observational study in people. The newest story, Oct 30, 2026: “Most DNA-mark differences in human colon cells traced to embryos”.

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“EECs also accounted for >70% of LINE-1 promoter loss-of-methylation frequently observed in adult colorectal epithelium”

Embryonic origins of epigenetic mosaicism in the human colorectal epitheliumResearch Square2026doi:10.21203/rs.3.rs-11351803/v1

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Embryonic epiallelic commitment regions

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Embryonic epiallelic commitment regions are associated with LINE-1 promoter methylation loss in humans (Accounted for >70% of LINE-1 promoter loss-of-methylation).
“EECs also accounted for >70% of LINE-1 promoter loss-of-methylation frequently observed in adult colorectal epithelium”
Humanscolorectal epithelium
Most DNA-mark differences in human colon cells traced to embryos
Research SquareOct 29, 2026Preprint

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Research SquareOct 30

Most DNA-mark differences in human colon cells traced to embryos

By around age 60, a colorectal cell lineage had about 1.2 million DNA-mark differences from a reference pattern; about 60% dated to early embryos.By around age 60, a colorectal cell lineage had about 1.2 million DNA-mark differences from a reference pattern; about 60% dated to early embryos.

Preprint: cross-sectional studyGut and microbiome

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LINE-1 promoter methylation loss

Associations

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Most DNA-mark differences in human colon cells traced to embryos

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