Helms, J A <br/><br/>
Sonic hedgehog participates in craniofacial morphogenesis and is down-regulated by teratogenic doses of retinoic acid.  [electronic resource] 

 -  Developmental biology  Jul 1997 
 - 25-35 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0012-1606 
<br/><br/><label>Standard No.: </label>10.1006/dbio.1997.8589  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Chick Embryo<br/>Cleft Lip<br/>Cleft Palate<br/>Craniofacial Abnormalities--chemically induced<br/>Ectoderm--cytology<br/>Embryonic Induction<br/>Endoderm--cytology<br/>Epithelium--embryology<br/>Face--embryology<br/>Gene Expression Regulation, Developmental--drug effects<br/>Hedgehog Proteins<br/>Humans<br/>Limb Buds--drug effects<br/>Maxilla--embryology<br/>Morphogenesis--drug effects<br/>Protein Biosynthesis<br/>Proteins--physiology<br/>Skull--embryology<br/>Teratogens--toxicity<br/>Trans-Activators<br/>Transcription, Genetic<br/>Tretinoin--toxicity