Evidence map›Paper›PMID 11120759›Full record

ArticleThe Journal of clinical investigation2000

Hydrogen peroxide is an endothelium-derived hyperpolarizing factor in mice.

T Matoba, H Shimokawa, M Nakashima, Y Hirakawa, Y Mukai, K Hirano, H Kanaide, A Takeshita

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of clinical investigation, 2000. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 203 papers.

0numbers the graph read from it
0cells of the map it votes in
203citing papers in PubMed
18.2field-weighted citation impact, top 1% 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

203 citing papers in PubMed, 716 citations in OpenAlex.

  1. Trial
  2. Article
  3. Article
  4. Review
  5. Review
  6. Article
  7. Review
  8. Review
  9. The role of NO, HBasic research in cardiology · 2025
    Article
  10. Review
  11. The machinery of healthy vasodilatation: an overview.Pflugers Archiv : European journal of physiology · 2025
    Review
  12. Redox Regulation of KAntioxidants & redox signaling · 2024
    Review
  13. Article
  14. Electro-metabolic signaling.The Journal of general physiology · 2024
    Article
  15. Review
  16. Article
  17. Review
  18. Review
  19. Oxidative Regulation of Vascular CaAntioxidants (Basel, Switzerland) · 2022
    Review
  20. Review

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

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

8 authors at 2 institutions in 1 country.

T MatobaDepartment of Cardiovascular Medicine, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan.
H Shimokawa
M Nakashima
Y Hirakawa
Y Mukai
K Hirano
H Kanaide
A Takeshita
Kyushu University · JPSaga Medical School Hospital · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The endothelium plays an important role in maintaining vascular homeostasis by synthesizing and releasing several endothelium-derived relaxing factors, such as prostacyclin, nitric oxide (NO), and the previously unidentified endothelium-derived hyperpolarizing factor (EDHF). In this study, we examined our hypothesis that hydrogen peroxide (H(2)O(2)) derived from endothelial NO synthase (eNOS) is an EDHF. EDHF-mediated relaxation and hyperpolarization in response to acetylcholine (ACh) were markedly attenuated in small mesenteric arteries from eNOS knockout (eNOS-KO) mice. In the eNOS-KO mice, vasodilating and hyperpolarizing responses of vascular smooth muscle per se were fairly well preserved, as was the increase in intracellular calcium in endothelial cells in response to ACh. Antihypertensive treatment with hydralazine failed to improve the EDHF-mediated relaxation. Catalase, which dismutates H(2)O(2) to form water and oxygen, inhibited EDHF-mediated relaxation and hyperpolarization, but it did not affect endothelium-independent relaxation following treatment with the K(+) channel opener levcromakalim. Exogenous H(2)O(2) elicited similar relaxation and hyperpolarization in endothelium-stripped arteries. Finally, laser confocal microscopic examination with peroxide-sensitive fluorescence dye demonstrated that the endothelium produced H(2)O(2) upon stimulation by ACh and that the H(2)O(2) production was markedly reduced in eNOS-KO mice. These results indicate that H(2)O(2) is an EDHF in mouse small mesenteric arteries and that eNOS is a major source of the reactive oxygen species.

Indexed as

AcetylcholineAnimalsAntihypertensive AgentsBiological FactorsCalciumCatalaseEndothelium, VascularGene DeletionHydralazineHydrogen PeroxideMembrane PotentialsMesenteric ArteriesMiceMice, Inbred C57BLMice, KnockoutMicroscopy, FluorescenceAcetylcholineAntihypertensive AgentsBiological FactorsCalciumCatalaseendothelium-dependent hyperpolarization factorHydralazineHydrogen PeroxideNitric Oxide SynthaseNitric Oxide Synthase Type IINitric Oxide Synthase Type IIINos3 protein, mousePotassium Channel BlockersPotassium ChannelsReactive Oxygen Species

Identifiers

PMID11120759
PMCPMC387255
OpenAlexW2146056013

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.