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Canonical and atypical E2Fs regulate the mammalian endocycle.

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paper Created: 2026-04-03T07:10:32 By: crosslink_script Quality: 70% 🔗 External ID: paper-23064266
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Canonical and atypical E2Fs regulate the mammalian endocycle.
["Chen HZ", "Ouseph MM", "Li J", "Pécot T", "Chokshi V", "Kent L", "Bae S", "Byrne M", "Duran C", "Comstock G", "Trikha P", "Mair M", "Senapati S", "Martin CK", "Gandhi S", "Wilson N", "Liu B", "
Nature cell biology PubMed DOI
Abstract

The endocycle is a variant cell cycle consisting of successive DNA synthesis and gap phases that yield highly polyploid cells. Although essential for metazoan development, relatively little is known about its control or physiologic role in mammals. Using lineage-specific cre mice we identified two opposing arms of the E2F program, one driven by canonical transcription activation (E2F1, E2F2 and E2F3) and the other by atypical repression (E2F7 and E2F8), that converge on the regulation of endocyc...

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