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The intriguing links between prominin-1 (CD133), cholesterol-based membrane microdomains, remodeling of apical plasma membrane protrusions, extracellular membrane particles, and (neuro)epithelial cell differentiation.

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Corbeil,  Denis
Max Planck Institute of Molecular Cell Biology and Genetics, Max Planck Society;

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Marzesco,  Anne-Marie
Max Planck Institute of Molecular Cell Biology and Genetics, Max Planck Society;

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Wilsch-Bräuninger,  Michaela
Max Planck Institute of Molecular Cell Biology and Genetics, Max Planck Society;

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Huttner,  Wieland B.
Max Planck Institute of Molecular Cell Biology and Genetics, Max Planck Society;

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Corbeil, D., Marzesco, A.-M., Wilsch-Bräuninger, M., & Huttner, W. B. (2010). The intriguing links between prominin-1 (CD133), cholesterol-based membrane microdomains, remodeling of apical plasma membrane protrusions, extracellular membrane particles, and (neuro)epithelial cell differentiation. FEBS Letters, 584(9), 1659-1664.


Cite as: https://hdl.handle.net/21.11116/0000-0001-0C4D-D
Abstract
Prominin-1 (CD133) is a cholesterol-interacting pentaspan membrane protein concentrated in plasma membrane protrusions. In epithelial cells, notably neuroepithelial stem cells, prominin-1 is found in microvilli, the primary cilium and the midbody. These three types of apical membrane protrusions are subject to remodeling during (neuro)epithelial cell differentiation. The protrusion-specific localization of prominin involves its association with a distinct cholesterol-based membrane microdomain. Moreover, the three prominin-1-containing plasma membrane protrusions are the origin of at least two major subpopulations of prominin-1-containing extracellular membrane particles. Intriguingly, the release of these particles has been implicated in (neuro)epithelial cell differentiation.