Nuclear retinoid receptors and pregnancy: placental transfer, functions, and pharmacological aspects.
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| Abstract |
Animal models of vitamin A (retinol) deficiency have highlighted its crucial role in reproduction and placentation, whereas an excess of retinoids (structurally or functionally related entities) can cause toxic and teratogenic effects in the embryo and foetus, especially in the first trimester of human pregnancy. Knock-out experimental strategies-targeting retinoid nuclear receptors RARs and RXRs have confirmed that the effects of vitamin A are mediated by retinoic acid (especially all-trans retinoic acid) and that this vitamin is essential for the developmental process. All these data show that the vitamin A pathway and metabolism are as important for the well-being of the foetus, as they are for that of the adult. Accordingly, during this last decade, extensive research on retinoid metabolism has yielded detailed knowledge on all the actors in this pathway, spurring the development of antagonists and agonists for therapeutic and research applications. Natural and synthetic retinoids are currently used in clinical practice, most often on the skin for the treatment of acne, and as anti-oncogenic agents in acute promyelocytic leukaemia. However, because of the toxicity and teratogenicity of retinoids during pregnancy, their pharmacological use needs a sound knowledge of their metabolism, molecular aspects, placental transfer, and action.
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| Authors | Aurélie Comptour, Marion Rouzaire, Corinne Belville, Damien Bouvier, Denis Gallot, Loïc Blanchon, Vincent Sapin |
| Journal | Cellular and molecular life sciences : CMLS (Cell Mol Life Sci) Vol. 73 Issue 20 Pg. 3823-37 (10 2016) ISSN: 1420-9071 [Electronic] Switzerland |
| PMID | 27502420 (Publication Type: Journal Article, Review, Research Support, Non-U.S. Gov't) |
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