Cited by 53Aldose Reductase and TaurineSteroid Chemistry and BiochemistryEstrogen and related hormone effects

Human hydroxysteroid dehydrogenases and pre-receptor regulation: Insights into inhibitor design and evaluation

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Penning, Trevor M.·2011·The Journal of Steroid Biochemistry and Molecular Biology

Abstract

Hydroxysteroid dehydrogenases (HSDs) represent a major class of NAD(P)(H) dependent steroid hormone oxidoreductases involved in the pre-receptor regulation of hormone action. This is achieved by HSDs working in pairs so that they can interconvert ketosteroids with hydroxysteroids resulting in a change in ligand potency for nuclear receptors. HSDs belong to two protein superfamilies the aldo-keto reductases and the short-chain dehydrogenase/reductases. In humans, many of the important enzymes have been thoroughly characterized including the elucidation of their three-dimensional structures. Because these enzymes play fundamental roles in steroid hormone action they can be considered to be drug targets for a variety of steroid driven diseases, e.g. metabolic syndrome and obesity, inflammation, and hormone dependent malignancies of the endometrium, prostate and breast. This article will review how fundamental knowledge of these enzymes can be exploited in the development of isoform specific HSD inhibitors from both protein superfamilies. Article from the Special issue on Targeted Inhibitors.

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Crossref · 10.1016/j.jsbmb.2011.01.009

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  • These cytosolic enzymes use nicotinamide adenine dinucleotides as cofactors bound in an extended anti-conformation that facilitates 4-pro-R hydride transfer.

    “These cytosolic enzymes use nicotinamide adenine dinucleotides as cofactors, which are bound in an extended anti-conformation thus facilitating 4-pro-R-hydride transfer to the acceptor group”
  • The conserved catalytic tetrad is Asp50, Tyr55, Lys84 and His117, with Tyr55 acting as a general acid-base.

    “The conserved catalytic tetrad resides at the base of the barrel and consists of Asp50, Tyr55, Lys84 and His117, where Tyr55 acts as a general acid-base”
  • In AKR1 proteins the cofactor binds in a conserved manner across the β-barrel lip, and the steroid lies perpendicular to the cofactor.

    “In each of the AKR1 proteins the cofactor binds in a conserved manner across the lip of the β-barrel, while the steroid lies perpendicular to the cofactor.”
  • AKR1C enzymes share the TIM barrel fold, with three large loops at the back of the barrel defining substrate specificity.

    “AKR1C enzymes share the protein fold in common with other members of the superfamily, which is the triose phosphate isomerase (TIM) barrel characterized by an alternating arrangement of α-helix and β-strand to form a β-barrel. At the back of the barrel three large loops exist which define substrate specificity.”
  • SDR and AKR enzymes catalyze NAD(P)H-dependent oxidoreductions at C3, C5, C11, C17 and C20 and act as various hydroxysteroid dehydrogenases and reductases.

    “The SDR and AKR enzymes catalyze NAD(P)H dependent oxidoreductions and act at the C3, C5, C11, C17 and C20 positions of the steroid nucleus and side-chain and function as 3α/β-hydroxysteroid dehydrogenases (HSDs), 5β-reductases, 11β-HSDs, 17β-HSDs and 20α-HSDs, respectively”

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Research works printed but not linked: 1

  1. [63]Talalay P Boyer PD Lardy M Myrback K Hydroxysteroid dehydrogenases Enzymes 1963 New York NY Acad Press 177 202

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Authors
Penning, T. M.
Affiliations
University of Pennsylvania (US)
Corresponding author
Penning, Trevor M.
Venue
The Journal of Steroid Biochemistry and Molecular Biology
Publisher
Elsevier BV
Published
2011-05
Volume
125
Issue
1-2
Pages
46-56
ISSN
0960-0760 (ISSN-L)
OpenAlex
W2051741107
Cited by
50
References
114
Citations by year
2026: 3 · 2025: 2 · 2024: 2 · 2023: 1 · 2022: 3 · 2021: 6 · 2020: 2 · 2019: 3 · 2018: 4 · 2017: 2 · 2016: 3 · 2015: 1 · 2014: 4 · 2013: 7 · 2012: 4
FWCI
0.54
Type
journal article
Language
en
Open access
Locations
  • The Journal of Steroid Biochemistry and Molecular Biology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Cancer Institute (R01CA090744)
  • National Institute of Diabetes and Digestive and Kidney Diseases (R01DK047015)
  • National Institute of Environmental Health Sciences (P30-ES013508-05, P30ES013508)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Aldose Reductase and Taurine
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Steroid Chemistry and Biochemistry
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Estrogen and related hormone effects
Keywords
hydroxysteroid dehydrogenase, steroid hormone action, aldo-keto reductase, short-chain dehydrogenase/reductase, isoform-selective inhibitors, enzyme structure, therapeutic target, metabolic syndrome, obesity, nuclear receptors
MeSH terms
Humans, Hydroxysteroid Dehydrogenases, Models, Molecular, Protein Conformation, Receptors, Steroid, Steroids, Thermodynamics, Drug Design, Molecular Structure

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