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