passages.id: split_1_test_1165_passage
passages.type: progene_text
passages.text: C / N ratios for cathepsin H enzyme activity correlated significantly with C / N ratios for the 29 kDa mature single - chain protein form ( P < 0.001 ) , with increased activity most commonly associated with elevated expression of 29 - kDa cathepsin H but also with up - regulation of the 22 - kDa band , suggesting a shift to more fully processed , mature active cathepsin H protein forms in cancers .