Title	Authors	Journal	Volume (Year)
Protein kinase A, not Epac, suppresses hedgehog activity and regulates glucocorticoid sensitivity in acute lymphoblastic leukemia cells.	Ji Z, et. al.	J Biol Chem	282 (2007)
Human embryonic stem cells in culture possess primary cilia with hedgehog signaling machinery.	Kiprilov EN, et. al.	J Cell Biol	180 (2008)