Evidence map›Paper›PMID 18203692›Full record

ArticleCerebral cortex (New York, N.Y. : 1991)2008

Activation of DOR attenuates anoxic K+ derangement via inhibition of Na+ entry in mouse cortex.

Dongman Chao, Alia Bazzy-Asaad, Gianfranco Balboni, Severo Salvadori, Ying Xia

Open access · bronzeAbstract read
In one paragraph

Article in Cerebral cortex (New York, N.Y. : 1991), 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed
1.7field-weighted citation impact, top 18% 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

28 citing papers in PubMed, 50 citations in OpenAlex.

  1. Article
  2. Evidence-based complementary and alternative medicine : eCAM · 2023
    Article
  3. Review
  4. Review
  5. Article
  6. Article
  7. Article
  8. Attenuating Ischemic Disruption of KMolecular neurobiology · 2016
    Article
  9. Article
  10. Review
  11. Review
  12. Review
  13. Delta opioid receptor and its peptide: a receptor-ligand neuroprotection.International journal of molecular sciences · 2013
    Article
  14. Review
  15. Article
  16. Article
  17. Article
  18. Article
  19. 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 3 institutions in 2 countries.

Dongman ChaoDepartment of Pediatrics, Section of Respiratory Medicine, Yale University School of Medicine, New Haven, CT 06520, USA.
Alia Bazzy-Asaad
Gianfranco Balboni
Severo Salvadori
Ying Xia
Yale University · USUniversity of Cagliari · ITUniversity of Ferrara · IT

Funding

Hypoxia &Neuronal Excitability: Cellular MechanismsR01HD034852 · NICHD · YALE UNIVERSITY · PI XIA, YING · 1997 to 2012
$3.5M
NICHD NIH HHS HD-34852
6 · The paper itself

Abstract

We have recently found that in the mouse cortex, activation of delta-opioid receptor (DOR) attenuates the disruption of K(+) homeostasis induced by hypoxia or oxygen-glucose deprivation. This novel observation suggests that DOR may protect neurons from hypoxic/ischemic insults via the regulation of K(+) homeostasis because the disruption of K(+) homeostasis plays a critical role in neuronal injury under hypoxic/ischemic stress. The present study was performed to explore the ionic mechanism underlying the DOR-induced neuroprotection. Because anoxia causes Na(+) influx and thus stimulates K(+) leakage, we investigated whether DOR protects the cortex from anoxic K(+) derangement by targeting the Na(+)-based K(+) leakage. By using K(+)-sensitive microelectrodes in mouse cortical slices, we showed that 1) lowering Na(+) concentration and substituting with impermeable N-methyl-D-glucamine caused a concentration-dependent attenuation of anoxic K(+) derangement; 2) lowering Na(+) concentration by substituting with permeable Li(+) tended to potentiate the anoxic K(+) derangement; and 3) the DOR-induced protection against the anoxic K(+) responses was largely abolished by low-Na(+) perfusion irrespective of the substituted cation. We conclude that external Na(+) concentration greatly influences anoxic K(+) derangement and that DOR activation likely attenuates anoxic K(+) derangement induced by the Na(+)-activated mechanisms in the cortex.

Indexed as

Action PotentialsAnimalsCerebral CortexGlutamatesHomeostasisHypoxia, BrainLithiumMaleMiceMice, Inbred C57BLOrgan Culture TechniquesPotassiumReceptors, Opioid, deltaSodiumgamma-glutamylmethylamideGlutamatesLithiumPotassiumReceptors, Opioid, deltaSodium

Identifiers

PMID18203692
PMCPMC2517106
OpenAlexW2131946963

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.