Evidence map›Paper›PMID 25977470›Full record

ArticleJournal of the American Heart Association2015

Hydrogen Sulfide Levels and Nuclear Factor-Erythroid 2-Related Factor 2 (NRF2) Activity Are Attenuated in the Setting of Critical Limb Ischemia (CLI).

Kazi N Islam, David J Polhemus, Erminia Donnarumma, Luke P Brewster, David J Lefer

Open access · goldAbstract read
In one paragraph

Article in Journal of the American Heart Association, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.

0numbers the graph read from it
0cells of the map it votes in
33citing papers in PubMed
3.6field-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

33 citing papers in PubMed, 62 citations in OpenAlex.

  1. Trial
  2. HHandbook of experimental pharmacology · 2026
    Review
  3. Article
  4. Article
  5. Clinical Potential of Hydrogen Sulfide in Peripheral Arterial Disease.International journal of molecular sciences · 2023
    Review
  6. Article
  7. Review
  8. Review
  9. Review
  10. Article
  11. Review
  12. Review
  13. Article
  14. Hydrogen Sulfide and the Immune System.Advances in experimental medicine and biology · 2021
    Article
  15. Review
  16. GFAP expression in the optic nerve and increased HNeural regeneration research · 2020
    Article
  17. Review
  18. Anomalous KBritish journal of pharmacology · 2020
    Article
  19. Article
  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.

Kazi N IslamCardiovascular Center of Excellence, Louisiana State University Health Sciences Center, New Orleans, LA (K.N.I., D.J.P., E.D., D.J.L.).
David J PolhemusCardiovascular Center of Excellence, Louisiana State University Health Sciences Center, New Orleans, LA (K.N.I., D.J.P., E.D., D.J.L.).
Erminia DonnarummaCardiovascular Center of Excellence, Louisiana State University Health Sciences Center, New Orleans, LA (K.N.I., D.J.P., E.D., D.J.L.).
Luke P BrewsterEmory University School of Medicine, Atlanta, GA (L.P.B.).
David J LeferCardiovascular Center of Excellence, Louisiana State University Health Sciences Center, New Orleans, LA (K.N.I., D.J.P., E.D., D.J.L.).
Louisiana State University Health Sciences Center New Orleans · USEmory University · US

Funding

Atlanta Clinical and Translational Science Institute (ACTSI) RenewalUL1TR000454 · NCATS · EMORY UNIVERSITY · PI STEPHENS, DAVID S · 2012 to 2016
$25.8M
Preclinical Consortium to Facilitate Translation of Cardioprotective TherapiesU24HL094373 · NHLBI · UNIVERSITY OF LOUISVILLE · PI BOLLI, ROBERTO · 2010 to 2014
$9.6M
Functional Cardio-MetabolomicsP20HL113452 · NHLBI · CLEVELAND CLINIC LERNER COM-CWRU · PI HAZEN, STANLEY L, TANG, WAI HONG WILSON · 2012 to 2016
$4.8M
Cardioprotective Actions of Hydrogen SulfideR01HL092141 · NHLBI · LSU HEALTH SCIENCES CENTER · PI LEFER, DAVID JOSEPH · 2009 to 2013
$1.9M
Nitrite Mediated CardioprotectionR01HL093579 · NHLBI · LSU HEALTH SCIENCES CENTER · PI LEFER, DAVID JOSEPH · 2009 to 2012
$1.5M
Molecular Mechanism of Disturbed Flow in Arterial StiffeningK08HL119592 · NHLBI · EMORY UNIVERSITY · PI BREWSTER, LUKE PACKARD · 2014 to 2018
$690k
NCATS NIH HHS UL1 TR000454NCATS NIH HHS UL1TR000454NHLBI NIH HHS 1KO8HL119592NHLBI NIH HHS 1P20 HL113452NHLBI NIH HHS 1R01 HL092141NHLBI NIH HHS 1R01 HL093579NHLBI NIH HHS 1U24 HL 094373NHLBI NIH HHS K08 HL119592NHLBI NIH HHS P20 HL113452
6 · The paper itself

Abstract

backgroundCystathionine γ-lyase, cystathionine β-synthase, and 3-mercaptopyruvate sulfurtransferase are endogenous enzymatic sources of hydrogen sulfide (H2S). Functions of H2S are mediated by several targets including ion channels and signaling proteins. Nuclear factor-erythroid 2-related factor 2 is responsible for the expression of antioxidant response element-regulated genes and is known to be upregulated by H2S. We examined the levels of H2S, H2S-producing enzymes, and nuclear factor-erythroid 2-related factor 2 activation status in skeletal muscle obtained from critical limb ischemia (CLI) patients. METHODS AND

resultsGastrocnemius tissues were attained postamputation from human CLI and healthy control patients. We found mRNA and protein levels of cystathionine γ-lyase, cystathionine β-synthase, and 3-mercaptopyruvate sulfurtransferase were significantly decreased in skeletal muscle of CLI patients as compared to control. H2S and sulfane sulfur levels were significantly decreased in skeletal muscle of CLI patients. We also observed significant reductions in nuclear factor-erythroid 2-related factor 2 activation as well as antioxidant proteins, such as Cu, Zn-superoxide dismutase, catalase, and glutathione peroxidase in skeletal muscle of CLI patients. Biomarkers of oxidative stress, such as malondialdehyde and protein carbonyl formation, were significantly increased in skeletal muscle of CLI patients as compared to healthy controls.

conclusionsThe data demonstrate that H2S bioavailability and nuclear factor-erythroid 2-related factor 2 activation are both attenuated in CLI tissues concomitant with significantly increased oxidative stress. Reductions in the activity of H2S-producing enzymes may contribute to the pathogenesis of CLI.

Indexed as

Amputation, SurgicalAgedBiomarkersCystathionine beta-SynthaseCystathionine gamma-LyaseFemaleGlutathione PeroxidaseHumansHydrogen SulfideIschemiaLegMaleMuscle, SkeletalNF-E2-Related Factor 2Oxidative StressRNA, Messenger3-mercaptopyruvate sulphurtransferaseBiomarkersCystathionine beta-SynthaseCystathionine gamma-LyaseGlutathione PeroxidaseHydrogen SulfideNFE2L2 protein, humanNF-E2-Related Factor 2RNA, MessengerSulfidesSulfurtransferasesSuperoxide Dismutaseantioxidant proteinscritical limb ischemiahydrogen sulfideNRF2oxidative stress

Identifiers

PMID25977470
PMCPMC4599428
OpenAlexW2112671374

What OpenQuestion holds

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LicenceCC BY-NC
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.