A positive feedback loop involving gcm1 and fzd5 directs chorionic branching morphogenesis in the placenta.

Lu J, Zhang S, Nakano H, Simmons DG, Wang S, Kong S, Wang Q, Shen L, Tu Z, Wang W, et al. A positive feedback loop involving gcm1 and fzd5 directs chorionic branching morphogenesis in the placenta. PLoS Biol. 2013;11(4):e1001536.