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Mech Dev. 2009 May-Jun;126(5-6):279-88. doi: 10.1016/j.mod.2009.01.007. Epub 2009 Feb 4.

Trafficking, development and hedgehog.

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1
The University of Queensland, Institute for Molecular Bioscience, Qld, Australia.

Abstract

Embryogenesis is mediated by a relatively small number of developmental signaling pathways, and the morphogens, receptors and transcription factors integral to these cascades are considered the master regulators of development. However, superimposed on this is an additional layer of control by complex intracellular trafficking networks. The importance of trafficking in controlling the processes of morphogenesis and development is highlighted by recent data regarding the transport and localisation of the morphogen sonic hedgehog (Shh) and the machinery that leads to its secretion, modification, cellular internalisation and signal transduction. Here we review the regulation of hedgehog signaling by intracellular trafficking, including the role of the primary cilium and lipids in mediating pathway activity.

PMID:
19368798
DOI:
10.1016/j.mod.2009.01.007
[Indexed for MEDLINE]
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