IL1B and ovarian cancer: To determine the effect of IL-1β and β1 integrin antibodies on ovarian cancer peritoneal metastasis in vivo, 1 × 107 MFOC3 cells with anti-IL-1β (10 ug/ml) and anti- β1 integrin (10 ug/ml) were administered together in 0.5 ml PBS were injected i.p. into SCID female mouse.