Document Detail


Hyaluronan is required for cranial neural crest cells migration and craniofacial development.
MedLine Citation:
PMID:  22184056     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Hyaluronan is a crucial glycosaminoglycan of the vertebrate embryonic extracellular matrix able to influence cell behaviour, both by assembling the pericellular matrices and by activating signal transducing receptors such as CD44. We showed that the hyaluronan synthases, Has1 and Has2, and CD44 display a dynamic expression pattern during cranial neural crest cells (NCC) development. By knocking down Has1 and Has2 gene functions, we revealed that hyaluronan synthesized by Has1 and Has2 is necessary for the proper development of the visceral skeleton. The data suggest that hyaluronan helps to maintain the active migratory behaviour of cranial NCC, and that its presence around pre-chondrogenic NCC is crucial for their survival. CD44 knock down also suggests that the role of hyaluronan in cranial NCC migration could be mediated, at least in part, by the activation of CD44. These findings contribute to the unveiling of the functional relation between NCC and their extracellular environment during craniofacial development. Developmental Dynamics, 2012. © 2011 Wiley Periodicals, Inc.
Authors:
Paola Casini; Irma Nardi; Michela Ori
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-12-6
Journal Detail:
Title:  Developmental dynamics : an official publication of the American Association of Anatomists     Volume:  -     ISSN:  1097-0177     ISO Abbreviation:  -     Publication Date:  2011 Dec 
Date Detail:
Created Date:  2011-12-20     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9201927     Medline TA:  Dev Dyn     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Wiley Periodicals, Inc.
Affiliation:
Unit of Cellular and Developmental Biology, Department of Biology, University of Pisa, Pisa, Italy.
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