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Trends Genet. 2000 Jul;16(7):303-9.

The EGF-CFC gene family in vertebrate development.

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Center for Advanced Biotechnology and Medicine and Department of Pediatrics, UMDNJ-Robert Wood Johnson Medical School, Piscataway, NJ 08854, USA.


EGF-CFC genes encode extracellular proteins that play key roles in intercellular signaling pathways during vertebrate embryogenesis. Mutations in zebrafish and mouse EGF-CFC genes lead to defects in germ-layer formation, anterior-posterior axis orientation and left-right axis specification. In addition, members of the EGF-CFC family have been implicated in carcinogenesis. Although formerly regarded as signaling molecules that are distant relatives of epidermal growth factor (EGF), recent findings indicate that EGF-CFC proteins act as essential cofactors for Nodal, a member of the transforming growth factor beta (TGF-beta) family. Here, we review molecular genetic evidence from mouse and zebrafish on biological and biochemical roles of the EGF-CFC family, and discuss differing models for EGF-CFC protein function.

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