ArticleProceedings of the National Academy of Sciences of the United States of America2025
METTL3-dependent m6A RNA methylation suppresses aberrant mammary epithelial differentiation and neoplastic transformation.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
2 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Revisiting down syndrome through the lens of interferonopathy and innate immune dysregulation.Frontiers in immunology · 2026Pooled it
- mNature communications · 2026Article
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PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
22 authors.
Funding
Abstract
The mechanisms underlying sustained proliferation and aberrant cellular plasticity that drive early breast tumorigenesis remain unclear. Using CRISPR knockout (KO) screens, we systematically characterized the regulators of cellular fitness in the normal mammary epithelium. We found that loss of METTL3 stimulates mammary epithelial proliferation and reprograms gene expression in an m6A methyltransferase-dependent manner. Single-cell analysis in normal breast organoids revealed that METTL3 ablation causes disruption of the mammary cellular hierarchy through increased aberrant luminal differentiation. Mechanistically, METTL3 loss reduces RNA m6A modification of transcribed transposable elements leading to their increased expression and upregulation of interferon-STAT signaling. This inflammatory response leads to cross talk between STAT and GATA3 transcription factors, resulting in transcriptional activation of luminal genes in the mammary epithelium. These findings identify a cell-intrinsic epigenetic loop contributing to mammary epithelial differentiation and highlight a potential role of loss of METTL3-dependent m6A modification during neoplastic transformation.
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