87 Martinez-Marin Martinez-Marin D. D. Jarvis Jarvis C. C. Nelius Nelius T. T. de Riese de Riese W. W. Volpert Volpert O.V. O.V. Filleur Filleur S. S. PEDF increases the tumoricidal activity of macrophages towards prostate cancer cells  in vitro in vitro . The gene discussed is SERPINF1; the disease is prostate cancer.