Abstract
The histone acetyltransferases (HATs) of the MYST family are highly conserved in eukaryotes and carry out a significant proportion of all nuclear acetylation. These enzymes function exclusively in multisubunit protein complexes whose composition is also evolutionarily conserved. MYST HATs are involved in a number of key nuclear processes and play critical roles in gene-specific transcription regulation, DNA damage response and repair, as well as DNA replication. This suggests that anomalous activity of these HATs or their associated complexes can easily lead to severe cellular malfunction, resulting in cell death or uncontrolled growth and malignancy. Indeed, the MYST family HATs have been implicated in several forms of human cancer. This review summarizes the current understanding of these enzymes and their normal function, as well as their established and putative links to oncogenesis.
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