Embryonic stem cells with GFP knocked into the dopamine transporter yield purified dopamine neurons in vitro and from knock-in mice.
Zhou W, Lee YM, Guy VC, Freed CR. Embryonic stem cells with GFP knocked into the dopamine transporter yield purified dopamine neurons in vitro and from knock-in mice. Stem Cells. 2009 Dec; 27(12):2952-61.