Fig. 6. Prolidase overexpression induces PRODH/POX-dependent autophagic cell death in MCF-7 cells. Gly-Pro - glycyl-proline, substrate for prolidase; MOE - methoxyestradiol, inhibitor of collagen biosynthesis; PRO - proline; P5C - ∆1-pyrroline-5-carboxylate; PRODH/POX - proline dehydrogenase/proline oxidase.