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Dkk1 reversed the VM-forming ability in Wnt3a-overexpressing HT29 cells. (A) Dkk1 inhibited the in vitro tube-like structure formation (black arrows) of Wnt3a-overexpressing HT29 cells (clone9). Scale bar: 100 μm; (B) Dkk1 restored the expressions of VEGFR2 and VE-cadherin in clone9 cells (left). Relative amount of protein expressions of VEGFR2 and VE-cadherin compared with β-actin (right) (* p < 0.05).
