Chapter title |
History of retinoic Acid receptors.
|
---|---|
Chapter number | 1 |
Book title |
The Biochemistry of Retinoic Acid Receptors I: Structure, Activation, and Function at the Molecular Level
|
Published in |
Sub cellular biochemistry, June 2014
|
DOI | 10.1007/978-94-017-9050-5_1 |
Pubmed ID | |
Book ISBNs |
978-9-40-179049-9, 978-9-40-179050-5
|
Authors |
Doris M Benbrook, Pierre Chambon, Cécile Rochette-Egly, Mary Ann Asson-Batres, Doris M. Benbrook, Benbrook, Doris M., Chambon, Pierre, Rochette-Egly, Cécile, Asson-Batres, Mary Ann |
Editors |
Mary Ann Asson-Batres, Cécile Rochette-Egly |
Abstract |
The discovery of retinoic acid receptors arose from research into how vitamins are essential for life. Early studies indicated that Vitamin A was metabolized into an active factor, retinoic acid (RA), which regulates RNA and protein expression in cells. Each step forward in our understanding of retinoic acid in human health was accomplished by the development and application of new technologies. Development cDNA cloning techniques and discovery of nuclear receptors for steroid hormones provided the basis for identification of two classes of retinoic acid receptors, RARs and RXRs, each of which has three isoforms, α, β and ɣ. DNA manipulation and crystallographic studies revealed that the receptors contain discrete functional domains responsible for binding to DNA, ligands and cofactors. Ligand binding was shown to induce conformational changes in the receptors that cause release of corepressors and recruitment of coactivators to create functional complexes that are bound to consensus promoter DNA sequences called retinoic acid response elements (RAREs) and that cause opening of chromatin and transcription of adjacent genes. Homologous recombination technology allowed the development of mice lacking expression of retinoic acid receptors, individually or in various combinations, which demonstrated that the receptors exhibit vital, but redundant, functions in fetal development and in vision, reproduction, and other functions required for maintenance of adult life. More recent advancements in sequencing and proteomic technologies reveal the complexity of retinoic acid receptor involvement in cellular function through regulation of gene expression and kinase activity. Future directions will require systems biology approaches to decipher how these integrated networks affect human stem cells, health, and disease. |
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Mendeley readers
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Student > Doctoral Student | 5 | 16% |
Student > Bachelor | 3 | 10% |
Student > Master | 3 | 10% |
Researcher | 2 | 6% |
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Environmental Science | 1 | 3% |
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Unknown | 5 | 16% |