Na,K-ATPase beta- subunit is required for epithelial polarization, suppression of invasion, and cell motility. - Rajasekaran,S.A.; Palmer,L.G.; Quan,K.; Harper,J.F.; Ball,W.J.; Bander,N.H.; Peralta Soler,A.; Rajasekaran,A.K. (Mol Biol Cell, 2001)