positively regulates positive regulation of catabolic process protein catabolic process regulation of protein catabolic process positive regulation of protein catabolic process activation of cellular protein degradation positive regulation of cyclin catabolism up regulation of cellular protein catabolism GO:0045732 upregulation of cellular protein catabolic process up-regulation of cellular protein degradation up-regulation of cellular protein breakdown up-regulation of protein catabolic process positive regulation of protein breakdown upregulation of cellular protein degradation up-regulation of cellular protein catabolism upregulation of cellular protein catabolism positive regulation of degradation of cyclin up-regulation of cellular protein catabolic process positive regulation of protein degradation Any process that activates or increases the frequency, rate or extent of the chemical reactions and pathways resulting in the breakdown of a protein by the destruction of the native, active configuration, with or without the hydrolysis of peptide bonds. biological_process up regulation of cellular protein breakdown positive regulation of cellular protein catabolic process positive regulation of cyclin breakdown activation of cellular protein catabolic process upregulation of cellular protein breakdown positive regulation of cellular protein breakdown positive regulation of cellular protein catabolism positive regulation of protein catabolism up regulation of cellular protein degradation activation of cellular protein catabolism stimulation of protein catabolic process up regulation of cellular protein catabolic process up regulation of protein catabolic process positive regulation of cyclin catabolic process upregulation of protein catabolic process activation of protein catabolic process positive regulation of cellular protein degradation positive regulation of cyclin degradation activation of cellular protein breakdown positive regulation of protein metabolic process biological regulation