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Versican V0 and V1 guide migratory neural crest cells


Dutt, Shilpee; Kléber, Maurice; Matasci, Mattia; Sommer, Lukas; Zimmermann, Dieter R (2006). Versican V0 and V1 guide migratory neural crest cells. Journal of Biological Chemistry, 281(17):12123-12131.

Abstract

We previously showed the selective expression of the chondroitin sulfate proteoglycans versican V0 and V1 in barrier tissues that impede the migration of neural crest cells during embryonic trunk development (Landolt, R. M., Vaughan, L., Winterhalter, K. H., and Zimmermann, D. R. (1995) Development 212, 2303-2312). To test for an active involvement of these isoforms in the guidance process, we have now established protocols to isolate intact versican V0 and V1 in quantities sufficient for functional experiments. Using stripe choice assays, we demonstrate that pure preparations of either a mixture of versican V0/V1 or V1 alone strongly inhibit the migration of multipotent Sox10/p75NTR double-positive early neural crest stem cells on fibronectin by interfering with cell-substrate adhesion. We show that this inhibition is largely core glycoprotein-dependent, as the complete removal of the glycosaminoglycan chains has only a minor effect on the inhibitory capacity. Our findings support the notion that versican variants V0 and V1 act, possibly in concert with other inhibitory molecules such as aggrecan and ephrins, in directing the migratory streams of neural crest cells to their appropriate target tissues.

Abstract

We previously showed the selective expression of the chondroitin sulfate proteoglycans versican V0 and V1 in barrier tissues that impede the migration of neural crest cells during embryonic trunk development (Landolt, R. M., Vaughan, L., Winterhalter, K. H., and Zimmermann, D. R. (1995) Development 212, 2303-2312). To test for an active involvement of these isoforms in the guidance process, we have now established protocols to isolate intact versican V0 and V1 in quantities sufficient for functional experiments. Using stripe choice assays, we demonstrate that pure preparations of either a mixture of versican V0/V1 or V1 alone strongly inhibit the migration of multipotent Sox10/p75NTR double-positive early neural crest stem cells on fibronectin by interfering with cell-substrate adhesion. We show that this inhibition is largely core glycoprotein-dependent, as the complete removal of the glycosaminoglycan chains has only a minor effect on the inhibitory capacity. Our findings support the notion that versican variants V0 and V1 act, possibly in concert with other inhibitory molecules such as aggrecan and ephrins, in directing the migratory streams of neural crest cells to their appropriate target tissues.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Institute of Anatomy
04 Faculty of Medicine > University Hospital Zurich > Institute of Pathology and Molecular Pathology
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:28 April 2006
Deposited On:24 Jul 2015 10:53
Last Modified:26 Aug 2016 07:33
Publisher:American Society for Biochemistry and Molecular Biology
ISSN:0021-9258
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1074/jbc.M510834200
PubMed ID:16510447

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