Evan R Barry

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Mouse embryonic stem cells (ESCs) proliferate with rapid cell cycle kinetics but without loss of pluripotency. The histone methyltransferase Dot1L is responsible for methylation of histone H3 at lysine 79 (H3K79me). We investigated whether ESCs require Dot1L for proper stem cell behavior. ESCs deficient in Dot1L tolerate a nearly complete loss of H3K79(More)
Following fertilization, the newly formed zygote faces several critical decisions regarding cell fate and lineage commitment. First, the parental genomes must be reprogrammed and reset for the zygotic genome to assume responsibility for gene expression. Second, blastomeres must be committed to form either the inner cell mass or trophectoderm before(More)
IMPORTANCE OF THE FIELD The establishment and maintenance of specialized chromatin is crucial for correct gene expression and chromosome stability in mammalian cells. Therefore, epigenetic insults are frequently observed in cancer. Several chromatin modifying enzymes have been implicated in leukemia, and are attractive candidates for the development of(More)
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