What molecular mechanisms determine tissue-specific endocycle regulation in trophoblasts versus hepatocytes?

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Description

The study identifies that E2F regulation affects endocycles in both placental trophoblast giant cells and liver hepatocytes, but doesn’t explain why only these two mammalian tissues undergo endocycles. The tissue-specific determinants of endocycle competence remain unknown.

Gap type: unexplained_observation Source paper: Canonical and atypical E2Fs regulate the mammalian endocycle. (2013, Nature cell biology, PMID:23064266)

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