Sonic Hedgehog pathway is down-regulated in preeclamptic placenta. Issue 10 (October 2015) - Takai, Hiroshi; Kondoh, Eiji; Sato, Mai; Kawasaki, Kaoru; Kiyokawa, Hikaru; Ujita, Mari; Mogami, Haruta; Takeda, Satoru; Konishi, Ikuo