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Many researchers have hypothesized that differences in reactive oxygen species levels can trigger the cellular decision between hypertrophy and cell death in cardiomyocytes. In the present study, we examined the relationship between reactive oxygen species levels and hypertrophy or cell death in H9c2 cardiomyocytes after the addition of hydrogen peroxide.(More)
Heterochromatin protein 1 (HP1) is an essential heterochromatin-associated protein typically involved in the epigenetic regulation of gene silencing. However, recent reports have demonstrated that HP1 can also activate gene expression in certain contexts including differentiation. To explore the role of each of the three mammalian HP1 family members (α, β(More)
Cardiac myocytes (CMs) proliferate robustly during fetal life but withdraw permanently from the cell cycle soon after birth and undergo terminal differentiation. This cell cycle exit is associated with the upregulation of a host of adult cardiac-specific genes. The vast majority of adult CMs (ACMs) do not reenter cell cycle even if subjected to mitogenic(More)
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