2Nakashima T, Liu D, Nakano J, et al. Wntl overexpression associated with tumor proliferation and a poor prognosis in non-small cell lung cancer pa- tients. Oncol Rep, 2008, 19(1): 203-209.
3KikuchiA, YamamotoH, Kishida S. Multiplicity of the interactions of Wnt proteins and their receptors. Cell Signal, 2007, 19 (4): 659-671.
4van de Schans VA, Smits JF, Blankesteijn WM. The Wnt/frizzled pathway in cardiovascular development and disease: friend or foe? Eur J Pharmacol, 2008, 585(2-3): 338-345.
5He X. A Wnt-Wnt situation. Dev Cell, 2003, 4(6): 791-797.
6VeemanMT, Axelrod JD, Moon RT. A second canon: functions and mecha- nisms of β-catenin-independent Wnt signaling. Dev Cell, 2003, 5(3): 367-377.
7Reynolds SD, Zemke AC, Giangreco A, et al. Conditional stabilization of β-catenin expands the pool of lung stem cells. Stem Cells, 2008, 26(5): 1337-1346.
8Chen YC, Hsu HS, Chen YW, et al. Oct-4 expression maintained cancer stem-like properties in lung cancer-derived CD133-positive cells. PloS One, 2008, 3(7):2637.
9Teng Y, WangX, Wang Y, et al. Wnt/b-catenin signaling regulates cancer stem cells in lung cancer AS49 cells. Biochem Biophys Res Commun, 2010,392(3): 373-379.
10Zhang Y, Goss AM, Cohen ED, et al. A Gata6-Wnt pathway required for epithelial stem cell development and airway regeneration. Nat Genet, 2008, 40(7): 862-870.
