Document Detail

Fate of retinoic acid-activated embryonic cell lineages.
MedLine Citation:
PMID:  21046629     Owner:  NLM     Status:  In-Process    
Retinoic acid (RA), a vitamin A derivative, is synthesized by specific cell populations and acts as a diffusible embryonic signal activating ligand-inducible transcription factors, the RA receptors (RARs). RA-activatable transgenic systems have revealed many discrete, transient sites of RA action during development. However, there has been no attempt to permanently label the RA-activated cell lineages during mouse ontogenesis. We describe the characterization of a RA-activatable Cre transgene, which through crosses with a conditional reporter strain (the ROSA26R lacZ reporter), leads to a stable labeling of the cell populations experiencing RA signaling during embryogenesis. RA response-element (RARE)-driven Cre activity mimics at early stages the known activity of the corresponding RARE-lacZ transgene (Rossant et al.,1991). Stable labeling of the Cre-excised cell populations allows to trace the distribution of the RA-activated cell lineages at later stages. These are described in relationship with current models of RA activity in various developmental systems, including the embryonic caudal region, limb buds, hindbrain, sensory organs, and heart.
Pascal Dollé; Valérie Fraulob; Jabier Gallego-Llamas; Julien Vermot; Karen Niederreither
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Developmental dynamics : an official publication of the American Association of Anatomists     Volume:  239     ISSN:  1097-0177     ISO Abbreviation:  Dev. Dyn.     Publication Date:  2010 Dec 
Date Detail:
Created Date:  2010-11-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9201927     Medline TA:  Dev Dyn     Country:  United States    
Other Details:
Languages:  eng     Pagination:  3260-74     Citation Subset:  IM    
Copyright Information:
© 2010 Wiley-Liss, Inc.
IGBMC (Institut de Génétique et de Biologie Moléculaire et Cellulaire), Illkirch, France.
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