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Cited by 174

The DOI matches its Crossref record; 7 of the 7 references it cites were found in a registry or an index.

Medium- and short-chain dehydrogenase/reductase gene and protein families: Medium-chain and short-chain dehydrogenases/reductases in retinoid metabolism

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Parés, X., Farrés, J., Kedishvili, N., Duester, G.·2008·Cellular and Molecular Life Sciences

Abstract

Abstract.Retinoic acid (RA), the most active retinoid, is synthesized in two steps from retinol. The first step, oxidation of retinol to retinaldehyde, is catalyzed by cytosolic alcohol dehydrogenases (ADHs) of the medium-chain dehydrogenase/reductase (MDR) superfamily and microsomal retinol dehydrogenases (RDHs) of the short-chain dehydrogenase/reductase (SDR) superfamily. The second step, oxidation of retinaldehyde to RA, is catalyzed by several aldehyde dehydrogenases. ADH1 and ADH2 are the major MDR enzymes in liver retinol detoxification, while ADH3 (less active) and ADH4 (most active) participate in RA generation in tissues. Several NAD+- and NADP+-dependent SDRs are retinoid active. Their in vivo contribution has been demonstrated in the visual cycle (RDH5, RDH12), adult retinoid homeostasis (RDH1) and embryogenesis (RDH10). Km values for most retinoid-active ADHs and RDHs are close to 1 μM or lower, suggesting that they participate physiologically in retinol/retinaldehyde interconversion. Probably none of these enzymes uses retinoids bound to cellular retinol-binding protein, but only free retinoids. The large number of enzymes involved in the two directions of this step, also including aldo-keto reductases, suggests that retinaldehyde levels are strictly regulated.

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Metadata

Authors
Parés, X., Farrés, J., Kedishvili, N., & Duester, G.
Venue
Cellular and Molecular Life Sciences
Published
2008-11-14
Volume
65
Issue
24
Pages
3936-3949
ISSN
  • 1420-682X (ISSN-L)
  • 1420-9071
OpenAlex
W1607516925
Cited by
174
References
7
FWCI
4.96
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Medium- and short-chain dehydrogenase/reductase gene and protein families: Medium-chain and short-chain dehydrogenases/reductases in retinoid metabolism. https://app.cochat.ai/papers/10.1007/s00018-008-8591-3
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Parés, X., Farrés, J., Kedishvili, N., & Duester, G. (2008). Medium- and short-chain dehydrogenase/reductase gene and protein families: Medium-chain and short-chain dehydrogenases/reductases in retinoid metabolism. Cellular and Molecular Life Sciences. https://doi.org/10.1007/s00018-008-8591-3

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