The DOI matches its Crossref record; 34 of the 34 references it cites were found in a registry or an index.
Identification of the Retinoic Acid-inducible All-trans-retinoic Acid 4-Hydroxylase
Open accessAbstract
Retinoic acid (RA) metabolites of vitamin A are key regulators of gene expression involved in embryonic development and maintenance of epithelial tissues. The cellular effects of RA are dependent upon the complement of nuclear receptors expressed (RARs and RXRs), which transduce retinoid signals into transcriptional regulation, the presence of cellular retinoid-binding proteins (CRABP and CRBP), which may be involved in RA metabolism, and the activity of RA metabolizing enzymes. We have been using the zebrafish as a model to study these processes. To identify genes regulated by RA during exogenous RA exposure, we utilized mRNA differential display. We describe the isolation and characterization of a cDNA, P450RAI, encoding a novel member of the cytochrome P450 family. mRNA transcripts for P450RAI are expressed normally during gastrulation, and in a defined pattern in epithelial cells of the regenerating caudal fin in response to exogenous RA. In COS-1 cells transfected with the P450RAI cDNA, all-trans-RA is rapidly metabolized to more polar metabolites. We have identified 4-oxo-RA and 4-OH-RA as major metabolic products of this enzyme. P450RAI represents the first enzymatic component of RA metabolism to be isolated and characterized at the molecular level and provides key insight into regulation of retinoid homeostasis.
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“One such layer of regulation involves the cytochrome p450, 26 (Cyp26a1) protein, which catalyzes the conversion of all-trans retinoic acid into relatively inactive 4-hydroxy-retinoic acid and 4-oxo-retinoic acid [47].”
From Vitamin A Transporters in Visual Function: A Mini Review on Membrane Receptors for Dietary Vitamin A Uptake, Storage, and Transport to the Eye (2021) · cites this paper as [47]
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Retinoids in Embryonal Development
Ross, S. A., McCaffery, P. J. A., Dräger, U. C., & Luca, L. M. D. (2000) · Physiological Reviews · doi:10.1152/physrev.2000.80.3.1021 · Cited by 866
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Metadata
- Authors
- White, J. A., Guo, Y.-D., Baetz, K., Beckett-Jones, B., Bonasoro, J., Hsu, K. E., Dilworth, F. J., Jones, G., & Petkovich, M.
- Affiliations
- Queen's University (CA)
- Corresponding author
- Petkovich, Martin
- Venue
- Journal of Biological Chemistry
- Publisher
- Elsevier BV
- Published
- 1996-11
- Volume
- 271
- Issue
- 47
- Pages
- 29922-29927
- ISSN
- 0021-9258 (ISSN-L)
- OpenAlex
- W2067256177
- Cited by
- 382
- References
- 34
- Citations by year
- 2026: 3 · 2025: 2 · 2024: 5 · 2023: 4 · 2022: 5 · 2021: 15 · 2020: 5 · 2019: 6 · 2018: 5 · 2017: 5 · 2016: 9 · 2015: 5 · 2014: 11 · 2013: 18 · 2012: 12
- FWCI
- 6.37
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- Journal of Biological Chemistry (publishedVersion, cc-by)
- PubMed (publishedVersion)
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Retinoids in leukemia and cellular processes
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Peroxisome Proliferator-Activated Receptors
- Life Sciences › Pharmacology, Toxicology and Pharmaceutics › Pharmacology › Pharmacogenetics and Drug Metabolism
- Keywords
- retinoic acid, cytochrome P450, retinoic acid metabolism, 4-oxo-retinoic acid, retinoid homeostasis, zebrafish, caudal fin regeneration, gastrulation, epithelial cells, mRNA differential display, cDNA cloning
- MeSH terms
- Retinoic Acid 4-Hydroxylase, Amino Acid Sequence, Animals, Base Sequence, Cytochrome P-450 Enzyme System, Molecular Sequence Data, Transfection, Tretinoin, Zebrafish, Gene Expression Regulation, Enzymologic, DNA, Complementary, Gene Expression Regulation, Developmental, COS Cells
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