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Dev Biol. 1989 Sep;135(1):124-32.

Cellular retinoic acid-binding protein and the role of retinoic acid in the development of the chick embryo.

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  • 1National Institute for Medical Research, Mill Hill, London, United Kingdom.

Abstract

The distribution of cellular retinoic acid-binding protein (CRABP) in four stages of chick development is described using an affinity-purified antibody against rat CRABP. CRABP is the protein to which retinoic acid (RA) binds when it enters cells and may reflect the requirement of those cells for RA. We found several discrete cell populations which showed high levels of immunoreactivity. Some were in the neural tube such as the commissural neurons and the dorsal roof plate. Some were of neural crest origin such as the dorsal root ganglia, sensory axons, sympathetic ganglia, and enteric ganglia. The remaining populations were certain connective tissue cells, limb bud cells, and the myotome. These results suggest that certain organ systems, particularly the nervous system, have a requirement for RA during development and they may further our understanding of the teratogenic effects of retinoids on the embryo.

PMID:
2548906
[PubMed - indexed for MEDLINE]
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