TGF-β Signaling and itsFunctionalSignificance inRegulating theFate ofCranialNeuralCrestCells

Author:

Chai Y.1,Ito Y.1,Han J.1

Affiliation:

1. Center for Craniofacial Molecular Biology, School of Dentistry, University of Southern California, 2250 Alcazar Street, CSA 103, Los Angeles, CA 90033;

Abstract

Members of the transforming growth factor-β (TGF-β) superfamily regulate cell proliferation, differentiation, and apoptosis, and control the development and maintenance of most tissues. TGF-β signal is transmitted through the phosphorylation of Smad proteins by TGF-β receptor serine/threonine kinase. During craniofacial development, TGF-β may regulate the fate specification of cranial neural crest cells. These cells are multipotent progenitors and capable of producing diverse cell types upon differentiation. Here we summarize evidence that TGF-β ligands and their signaling intermediates have significant roles in patterning and specification of cranial neural crest cells. The biological function of TGF-β is carried out through the regulation of transcriptional factors during embryogenesis.

Publisher

SAGE Publications

Subject

General Dentistry,Otorhinolaryngology

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