- Beta-catenin regulates differentiation of respiratory epithelial cells in vivo. Mucenski, M.L., Nation, J.M., Thitoff, A.R., Besnard, V., Xu, Y., Wert, S.E., Harada, N., Taketo, M.M., Stahlman, M.T., Whitsett, J.A. Am. J. Physiol. Lung Cell Mol. Physiol. (2005)