Evidence map›Paper›PMID 19706366›Full record

ReviewHuman genomics2009

Aldo-keto reductase (AKR) superfamily: genomics and annotation.

Rebekka D Mindnich, Trevor M Penning

Open access · goldAbstract readReview
In one paragraph

Review in Human genomics, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 76 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
76citing papers in PubMed, 1 pooled it
3.2field-weighted citation impact, top 8% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

76 citing papers in PubMed, 1 synthesis or guideline pooled it, 150 citations in OpenAlex.

  1. Pooled it
  2. Trial
  3. A new branch of mammalian vitamin BThe FEBS journal · 2026
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  6. Advances in Sources, Content Determination, and Bioactivity of 20α-Hydroxyprogesterone.Endocrine, metabolic & immune disorders drug targets · 2026
    Review
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  13. Redox Regulation of KAntioxidants & redox signaling · 2024
    Review
  14. Article
  15. Article
  16. Article
  17. Review
  18. Review
  19. An NADH/NADApplied and environmental microbiology · 2024
    Article
  20. Review

16 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

2 authors at 1 institution in 1 country.

Rebekka D MindnichDepartment of Pharmacology, Center for Excellence in Environmental Toxicology, University of Pennsylvania, School of Medicine, Philadelphia, PA 19104-6084, USA.
Trevor M Penning
University of Pennsylvania · US

Funding

Translational Research Support CoreP30ES013508 · NIEHS · UNIVERSITY OF PENNSYLVANIA · PI Rebecca A Simmons · 2006 to 2026
$35.3M
DIHYDRODIOL DEHYDROGENASE AND THE ASPIRIN-LIKE DRUGSR01CA039504 · NCI · UNIVERSITY OF PENNSYLVANIA · PI PENNING, TREVOR M · 1986 to 2014
$3.8M
Structure/Function of Steroid Transforming AKR'sR01DK047015 · NIDDK · UNIVERSITY OF PENNSYLVANIA · PI PENNING, TREVOR M · 1994 to 2011
$3.2M
Human Aldo Keto Reductases and Steroid Hormone ActionR01CA090744 · NCI · UNIVERSITY OF PENNSYLVANIA · PI PENNING, TREVOR M · 2001 to 2011
$3.1M
NCI NIH HHS R01 CA039504NCI NIH HHS R01 CA090744NCI NIH HHS R01-CA39504NCI NIH HHS R01-CA90744NIDDK NIH HHS R01 DK047015NIDDK NIH HHS R01-DK47015NIEHS NIH HHS P30 ES013508NIEHS NIH HHS P30-ES013508
6 · The paper itself

Abstract

Aldo-keto reductases (AKRs) are phase I metabolising enzymes that catalyse the reduced nicotinamide adenine dinucleotide (phosphate) (NAD(P)H)-dependent reduction of carbonyl groups to yield primary and secondary alcohols on a wide range of substrates, including aliphatic and aromatic aldehydes and ketones, ketoprostaglandins, ketosteroids and xenobiotics. In so doing they functionalise the carbonyl group for conjugation (phase II enzyme reactions). Although functionally diverse, AKRs form a protein superfamily based on their high sequence identity and common protein fold, the (alpha/beta) 8 -barrel structure. Well over 150 AKR enzymes, from diverse organisms, have been annotated so far and given systematic names according to a nomenclature that is based on multiple protein sequence alignment and degree of identity. Annotation of non-vertebrate AKRs at the National Center for Biotechnology Information or Vertebrate Genome Annotation (vega) database does not often include the systematic nomenclature name, so the most comprehensive overview of all annotated AKRs is found on the AKR website (http://www.med.upenn.edu/akr/). This site also hosts links to more detailed and specialised information (eg on crystal structures, gene expression and single nucleotide polymorphisms [SNPs]). The protein-based AKR nomenclature allows unambiguous identification of a given enzyme but does not reflect the wealth of genomic and transcriptomic variation that exists in the various databases. In this context, identification of putative new AKRs and their distinction from pseudogenes are challenging. This review provides a short summary of the characteristic features of AKR biochemistry and structure that have been reviewed in great detail elsewhere, and focuses mainly on nomenclature and database entries of human AKRs that so far have not been subject to systematic annotation. Recent developments in the annotation of SNP and transcript variance in AKRs are also summarised.

Indexed as

GenomicsAlcohol OxidoreductasesAldehyde ReductaseAldo-Keto ReductasesDatabases, GeneticProtein ConformationSubstrate SpecificityAlcohol OxidoreductasesAldehyde ReductaseAldo-Keto Reductases

Identifiers

PMID19706366
PMCPMC3206293
OpenAlexW2113845574

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.