GO:0000398
nuclear mRNA splicing, via spliceosome
GO:0006342
chromatin silencing
GO:0016575
histone deacetylation
GO:0006340
negative regulation of transcription of homeotic gene (Polycomb group)
GO:0001837
epithelial to mesenchymal transition
GO:0006338
chromatin remodeling
GO:0042262
DNA protection