Evidence map›Paper›PMID 23715558›Full record

ArticleCardiovascular research2013

Defective Nrf2-dependent redox signalling contributes to microvascular dysfunction in type 2 diabetes.

Gopal V Velmurugan, Nagalingam R Sundaresan, Mahesh P Gupta, Carl White

Open access · bronzeAbstract read
In one paragraph

Article in Cardiovascular research, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 39 papers.

0numbers the graph read from it
0cells of the map it votes in
39citing papers in PubMed
3.9field-weighted citation impact, top 6% 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

39 citing papers in PubMed, 75 citations in OpenAlex.

  1. Review
  2. Review
  3. Review
  4. Article
  5. Review
  6. Review
  7. Aerobic exercise improves BKActa diabetologica · 2024
    Article
  8. Article
  9. Review
  10. Review
  11. Mechanisms of Vascular CaHandbook of experimental pharmacology · 2023
    Article
  12. Article
  13. Oxidative Regulation of Vascular CaAntioxidants (Basel, Switzerland) · 2022
    Review
  14. Review
  15. Article
  16. Review
  17. Review
  18. Article
  19. Review
  20. Review
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

4 authors at 3 institutions in 1 country.

Gopal V VelmuruganDepartment of Physiology and Biophysics, Rosalind Franklin University of Medicine and Science, 3333 Green Bay Road, North Chicago, IL 60064, USA.
Nagalingam R Sundaresan
Mahesh P Gupta
Carl White
University of Chicago · USFranklin University · USRosalind Franklin University of Medicine and Science · US

Funding

Blocking cardiac toxicity of anticancer drugsR01HL117041 · NHLBI · UNIVERSITY OF CHICAGO · PI GUPTA, MAHESH P · 2013 to 2016
$1.8M
Activation of sirtuins to prevent adverse cardiac remodeling after CABGR01HL111455 · NHLBI · UNIVERSITY OF CHICAGO · PI GUPTA, MAHESH P · 2013 to 2016
$1.6M
NHLBI NIH HHS R01 HL111455NHLBI NIH HHS R01 HL117041
6 · The paper itself

Abstract

aimsIn type 2 diabetes, antioxidant depletion contributes to increased oxidative stress in the microvasculature. The current study was designed to assess how oxidative stress contributes to functional changes in the microvasculature, and determine the importance, and the effects of pharmacologically targeting, the transcription factor Nrf2. METHODS AND

resultsPressure myography was used to measure myogenic constriction in mesenteric arterioles from diabetic (db/db) and non-diabetic (db/m) mice. Compared with db/m, myogenic constriction was larger in db/db, independent of the endothelial cell layer, and directly correlated with elevated basal and pressure-induced reactive oxygen species (ROS) production. Nrf2 was depleted in db/db vessels and associated with down-regulation of Nrf2-regulated genes. Notably, expression of GCLC and GCLM, enzymes important for glutathione (GSH) synthesis, was dramatically reduced, as was total cellular GSH. Normal myogenic function was restored to db/db arterioles by incubation with cell-permeant GSH. Similarly, the db/db myogenic phenotype was recapitulated in the db/m vessels by pharmacological GSH depletion. Treatment with the Nrf2-activator sulforaphane increased Nrf2 and promoted its nuclear localization and increased GCLC and GCLM expression in both db/m and db/db. Sulforaphane dramatically lowered ROS signalling in db/db and reduced myogenic tone to levels similar to that seen in db/m vessels.

conclusionDepleted Nrf2 and expression of its dependent genes compromises antioxidant capacity resulting in dysfunctional myogenic tone in diabetes that is reversed by the Nrf2-activator sulforaphane.

Indexed as

AnimalsArteriolesCells, CulturedDiabetes Mellitus, Type 2Diabetic AngiopathiesGlutamate-Cysteine LigaseGlutathioneIsothiocyanatesMaleMiceMuscle, Smooth, VascularNF-E2-Related Factor 2Oxidation-ReductionReactive Oxygen SpeciesSignal TransductionSulfoxidesGCLM protein, mouseGlutamate-Cysteine LigaseGlutathioneIsothiocyanatesNfe2l2 protein, mouseNF-E2-Related Factor 2Reactive Oxygen SpeciessulforaphaneSulfoxidesMyogenic toneNRF2Oxidative stressSulforaphaneType 2 diabetes

Identifiers

PMID23715558
PMCPMC6279212
OpenAlexW2051526761

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.