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Trends Cell Biol. 2010 Sep;20(9):524-32. doi: 10.1016/j.tcb.2010.06.002. Epub 2010 Jul 1.

From A to Z: apical structures and zona pellucida-domain proteins.

Author information

1
Université de Toulouse, UPS, Centre de Biologie du Développement, F-31062, Toulouse, France. plaza@cict.fr

Abstract

The terminal differentiation of epithelial cells involves changes in the apical compartment, including remodeling of the cytoskeleton and junctions to modify its three-dimensional organization. It also often triggers the building of specialized extracellular matrices, the function of which remains poorly understood. Hundreds of extracellular matrix proteins expressed in a variety of epithelia possess a conserved region called the zona pellucida-domain (ZP domain). There is evidence to suggest that ZP-domains mediate the polymerization of proteins into fibrils or matrices and that mutation of ZP-domains can result in severe pathologies, such as infertility, deafness, and cancer. Recent work in worms and flies demonstrates that ZP-domain proteins play a crucial role in organizing and shaping highly specialized apical structures in epithelial cells.

PMID:
20598543
DOI:
10.1016/j.tcb.2010.06.002
[Indexed for MEDLINE]

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