Evidence map›Paper›PMID 24122080›Full record

ReviewNeurochemical research2014

Glutamate dehydrogenase: structure, allosteric regulation, and role in insulin homeostasis.

Ming Li, Changhong Li, Aron Allen, Charles A Stanley, Thomas J Smith

Open access · greenAbstract readReview
In one paragraph

Review in Neurochemical research, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers.

0numbers the graph read from it
0cells of the map it votes in
37citing papers in PubMed
3.5field-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

37 citing papers in PubMed, 60 citations in OpenAlex.

  1. Article
  2. Glutamine metabolic enzymes: to filament or not to filament?Biochemical Society transactions · 2026
    Review
  3. Article
  4. Article
  5. Article
  6. Review
  7. Article
  8. Influence ofAnimals : an open access journal from MDPI · 2025
    Article
  9. Article
  10. Review
  11. Article
  12. Article
  13. Article
  14. Review
  15. Review
  16. A comparative analysis of fruit fly and human glutamate dehydrogenases inFrontiers in cell and developmental biology · 2023
    Article
  17. Article
  18. Article
  19. Systemic tryptophan homeostasis.Frontiers in molecular biosciences · 2022
    Review
  20. 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

5 authors at 2 institutions in 1 country.

Ming LiDonald Danforth Plant Science Center, 975 North Warson Road, Saint Louis, MO, 63132, USA.
Changhong Li
Aron Allen
Charles A Stanley
Thomas J Smith
Donald Danforth Plant Science Center · USChildren's Hospital of Philadelphia · US

Funding

VIRAL VECTOR COREP30DK019525 · NIDDK · UNIVERSITY OF PENNSYLVANIA · PI DOUGLAS J EPSTEIN · 1986 to 2026
$48.3M
Insulin Secretion in Hyperinsulinism Human IsletsR01DK098517 · NIDDK · CHILDREN'S HOSP OF PHILADELPHIA · PI DE LEON, DIVA D. · 2013 to 2023
$4.5M
MOLECULAR BASIS OF A NEW FORM OF HYPERINSULINISMR01DK053012 · NIDDK · CHILDREN'S HOSP OF PHILADELPHIA · PI STANLEY, CHARLES ALFRED · 1998 to 2010
$4.4M
Mechanisms of glutamate dehydrogenase allosteryR01DK072171 · NIDDK · DONALD DANFORTH PLANT SCIENCE CENTER · PI SMITH, THOMAS JAMES. · 2005 to 2008
$1.4M
NIDDK NIH HHS DK072171NIDDK NIH HHS DK19525NIDDK NIH HHS DK53012NIDDK NIH HHS P30 DK019525NIDDK NIH HHS R01 DK053012NIDDK NIH HHS R01 DK072171
6 · The paper itself

Abstract

Glutamate dehydrogenase (GDH) is a homohexameric enzyme that catalyzes the reversible oxidative deamination of L-glutamate to 2-oxoglutarate. Only in the animal kingdom is this enzyme heavily allosterically regulated by a wide array of metabolites. The major activators are ADP and leucine and inhibitors include GTP, palmitoyl CoA, and ATP. Spontaneous mutations in the GTP inhibitory site that lead to the hyperinsulinism/hyperammonemia (HHS) syndrome have shed light as to why mammalian GDH is so tightly regulated. Patients with HHS exhibit hypersecretion of insulin upon consumption of protein and concomitantly extremely high levels of ammonium in the serum. The atomic structures of four new inhibitors complexed with GDH complexes have identified three different allosteric binding sites. Using a transgenic mouse model expressing the human HHS form of GDH, at least three of these compounds blocked the dysregulated form of GDH in pancreatic tissue. EGCG from green tea prevented the hyper-response to amino acids in whole animals and improved basal serum glucose levels. The atomic structure of the ECG-GDH complex and mutagenesis studies is directing structure-based drug design using these polyphenols as a base scaffold. In addition, all of these allosteric inhibitors are elucidating the atomic mechanisms of allostery in this complex enzyme.

Indexed as

Allosteric RegulationAnimalsGlutamate DehydrogenaseHomeostasisHumansHyperammonemiaHyperinsulinismInsulinGlutamate DehydrogenaseInsulin

Identifiers

PMID24122080
PMCPMC7808316
OpenAlexW1981868452

What OpenQuestion holds

Textmetadata
LicenceTDM
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.