obsolete negative regulation of histone deacetylation (obsolete GO:0031064)
OBSOLETE. Any process that stops, prevents, or reduces the frequency, rate or extent of the removal of acetyl groups from histones.
down regulation of histone deacetylation
exact
down-regulation of histone deacetylation
exact
downregulation of histone deacetylation
exact
inhibition of histone deacetylation
narrow