Methods of identifying {TAIL ~ compositions} which affect {HEAD ~ hedgehog activity} based on inhibition of cholesterol modification of hedgehog protein are described 
Methods of identifying { TAIL ~ compositions } which affect { HEAD ~ hedgehog activity } based on inhibition of cholesterol modification of hedgehog protein are described
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH