ANGPT1 and neoplasm: To analyze expression of Tie2, Ang1, and Ang2, 2 breast (MDA-MB-231 and MCF-7), 3 colon (SW620, SW480, and Colo205), 1 prostate (LNCaP), and 1 ovarian (OV17-1) human tumor cell lines were tested by RT-PCR.