. "\"Any process that activates or increases the frequency, rate or extent of the chemical reactions and pathways resulting in the breakdown of substances, carried out by individual cells.\" [GOC:mah]" . . "positive regulation of cellular catabolic process" . "positive regulation of cellular breakdown" . "positive regulation of cellular catabolism" . "positive regulation of cellular degradation" . "up regulation of cellular catabolic process" . "up-regulation of cellular catabolic process" . "upregulation of cellular catabolic process" . . . . "activation of cellular catabolic process" . "stimulation of cellular catabolic process" .