Article
Sonic hedgehog is essential for first pharyngeal arch development.
Pediatric research - 1 Mar 2006
Yamagishi Chihiro, Yamagishi Hiroyuki, Maeda Jun, Tsuchihashi Takatoshi, Ivey Kathryn, Hu Tonghuan, Srivastava Deepak
Abstract excerpt
The secreted protein sonic hedgehog (Shh) is essential for normal development of many organs. Targeted disruption of Shh in mouse leads to near complete absence of craniofacial skeletal elements at birth, and mutation of SHH in human causes holoprosencephaly (HPE), frequently associated with defects of derivatives of pharyngeal arches. To investigate the role of Shh signaling in early pharyngeal arch development,...
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