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. 1976 Nov;73(11):3976–3978. doi: 10.1073/pnas.73.11.3976

Changes in levels of cellular retinol- and retinoic-acid-binding proteins of liver and lung during perinatal development of rat.

D E Ong, F Chytil
PMCID: PMC431289  PMID: 1069281

Abstract

Cellular retinol-binding protein and cellular retinoic-acid-binding protein, canditates for mediating the action of vitamin A, were found to be present in tissues of the fetal rat. Cellular retinol-binding proteins were still present in most tissues of the adult, but the retinoic-acid-binding protein was not detected in some, including lung, liver, intestine, and kidney. During perinatal development of lung the level of cellular retinol-binding protein remained relatively constant while the level of the cellular retinoic-acid-binding protein peaked at 10 days postnatally, then declined. It was not detectable in lung tissue from 21-day-old rats. In liver, however, the retinoic-acid-binding protein was not detectable later than 5 days postnatally, while the level of the cellular retinol-binding proteinrose sharply near birth, declining only after 21 days to the lower adult levels. The variations observed in the levels of the two binding proteins suggest different and changing requirements for retinol and retinoic acid in organ development and maturation.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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