title: Loss of a critical neutral protease in ageing WI-38 cells.
mesh_terms: D000375:Aging; D002460:Cell Line; D002478:Cells, Cultured / Q000201:enzymology / Q000502:physiology*; D004586:Electrophoresis; D006867:Hydrolases / Q000378:metabolism; D010447:Peptide Hydrolases / Q000378:metabolism*; D013499:Surface Properties
chemical_list: D006867:Hydrolases; D010447:Peptide Hydrolases