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XB-ART-21103
Mech Dev 1994 Jul 01;471:53-64.
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Xenopus laevis cellular retinoic acid-binding protein: temporal and spatial expression pattern during early embryogenesis.

Ho L , Mercola M , Gudas LJ .


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There is increasing evidence that retinoic acid (RA) has a role in establishing normal axial patterns during Xenopus laevis embryo-genesis. Several types of retinoid binding proteins are thought to mediate the effects of RA. We report the isolation of a cDNA, named xCRABP-b, which encodes a X. laevis cellular retinoic acid-binding protein (xCRABP). This cDNA hybridises to a transcript in gastrular stage embryos of approximately 3 kb, much larger than those CRABP transcripts expressed in mice. The expression of the xCRABP mRNA is generally restricted to tissues which are sensitive to the teratogenic effects of excess RA. It is likely, that during normal X. laevis embryogenesis, concentrations of RA in RA-responsive cells are modulated by the xCRABP gene product.

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Species referenced: Xenopus laevis
Genes referenced: crabp2