regulation of translation negative regulation of gene expression negative regulation of translation Any process that stops, prevents, or reduces the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of proteins by the translation of mRNA. down regulation of protein biosynthetic process down-regulation of protein biosynthetic process downregulation of protein biosynthetic process negative regulation of protein anabolism negative regulation of protein biosynthesis negative regulation of protein biosynthetic process negative regulation of protein formation negative regulation of protein synthesis regulation of cellular metabolic process negative regulation of cellular metabolic process negative regulation of cellular protein metabolic process regulation of nitrogen compound metabolic process negative regulation of nitrogen compound metabolic process negative regulation of cellular macromolecule biosynthetic process