Evidence map›Paper›PMID 25001371›Full record

ArticleBioscience reports2014

Novel human D-amino acid oxidase inhibitors stabilize an active-site lid-open conformation.

Ryan T Terry-Lorenzo, Lawrence E Chun, Scott P Brown, Michele L R Heffernan, Q Kevin Fang, Michael A Orsini, Loredano Pollegioni, Larry W Hardy, Kerry L Spear, Thomas H Large

Abstract read
In one paragraph

Article in Bioscience reports, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed, 1 pooled it
–field-weighted citation impact
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

17 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Sulfide regulation and catabolism in health and disease.Signal transduction and targeted therapy · 2025
    Review
  3. Review
  4. Review
  5. Synthesis and preliminary evaluation of 4-hydroxy-6-(3-[Bioorganic & medicinal chemistry letters · 2020
    Article
  6. Article
  7. Article
  8. Article
  9. Article
  10. Review
  11. Article
  12. Article
  13. Assays of D-Amino Acid Oxidase Activity.Frontiers in molecular biosciences · 2017
    Article
  14. Review
  15. Expression of D-Amino Acid Oxidase (Frontiers in neuroanatomy · 2017
    Article
  16. Article
  17. Article
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

10 authors.

Ryan T Terry-Lorenzo*Discovery Research Department, Sunovion Pharmaceuticals, Marlborough, MA 01752, U.S.A.
Lawrence E Chun†Emerald Bio, Bainbridge Island, WA 98110, U.S.A.
Scott P Brown*Discovery Research Department, Sunovion Pharmaceuticals, Marlborough, MA 01752, U.S.A.
Michele L R Heffernan*Discovery Research Department, Sunovion Pharmaceuticals, Marlborough, MA 01752, U.S.A.
Q Kevin Fang*Discovery Research Department, Sunovion Pharmaceuticals, Marlborough, MA 01752, U.S.A.
Michael A Orsini*Discovery Research Department, Sunovion Pharmaceuticals, Marlborough, MA 01752, U.S.A.
Loredano Pollegioni
Larry W Hardy*Discovery Research Department, Sunovion Pharmaceuticals, Marlborough, MA 01752, U.S.A.
Kerry L Spear*Discovery Research Department, Sunovion Pharmaceuticals, Marlborough, MA 01752, U.S.A.
Thomas H Large*Discovery Research Department, Sunovion Pharmaceuticals, Marlborough, MA 01752, U.S.A.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The NMDAR (N-methyl-D-aspartate receptor) is a central regulator of synaptic plasticity and learning and memory. hDAAO (human D-amino acid oxidase) indirectly reduces NMDAR activity by degrading the NMDAR co-agonist D-serine. Since NMDAR hypofunction is thought to be a foundational defect in schizophrenia, hDAAO inhibitors have potential as treatments for schizophrenia and other nervous system disorders. Here, we sought to identify novel chemicals that inhibit hDAAO activity. We used computational tools to design a focused, purchasable library of compounds. After screening this library for hDAAO inhibition, we identified the structurally novel compound, 'compound 2' [3-(7-hydroxy-2-oxo-4-phenyl-2H-chromen-6-yl)propanoic acid], which displayed low nM hDAAO inhibitory potency (Ki=7 nM). Although the library was expected to enrich for compounds that were competitive for both D-serine and FAD, compound 2 actually was FAD uncompetitive, much like canonical hDAAO inhibitors such as benzoic acid. Compound 2 and an analog were independently co-crystalized with hDAAO. These compounds stabilized a novel conformation of hDAAO in which the active-site lid was in an open position. These results confirm previous hypotheses regarding active-site lid flexibility of mammalian D-amino acid oxidases and could assist in the design of the next generation of hDAAO inhibitors.

Indexed as

Carrier ProteinsCatalytic DomainD-Amino-Acid OxidaseEnzyme InhibitorsHumansReceptors, N-Methyl-D-AspartateSchizophreniaSerineCarrier ProteinsD-Amino-Acid OxidaseEnzyme InhibitorsReceptors, N-Methyl-D-AspartateSerine

Identifiers

PMID25001371
PMCPMC4127593

What OpenQuestion holds

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LicenceCC BY
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.