Evidence map›Paper›PMID 28334684›Full record

ArticleRedox biology2017

Biochemical signaling by remote ischemic conditioning of the arm versus thigh: Is one raise of the cuff enough?

Cameron Dezfulian, Maia Taft, Catherine Corey, Gabrielle Hill, Nicholas Krehel, Jon C Rittenberger, Frank X Guyette, Sruti Shiva

Abstract read
In one paragraph

Article in Redox biology, 2017. 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
–field-weighted citation impact
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.

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  19. Platelet glycolytic metabolism correlates with hemodynamic severity in pulmonary arterial hypertension.American journal of physiology. Lung cellular and molecular physiology · 2020
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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

8 authors.

Cameron DezfulianSafar Center for Resuscitation, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA; Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA; Vascular Medicine Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA.
Maia TaftSafar Center for Resuscitation, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA.
Catherine CoreyVascular Medicine Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA; Department of Pharmacology & Chemical Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA.
Gabrielle HillVascular Medicine Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA; Department of Pharmacology & Chemical Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA.
Nicholas KrehelSafar Center for Resuscitation, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA; Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA.
Jon C RittenbergerApplied Physiology Laboratory, Department of Emergency Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA.
Frank X GuyetteApplied Physiology Laboratory, Department of Emergency Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA.
Sruti ShivaVascular Medicine Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA; Applied Physiology Laboratory, Department of Emergency Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA; Department of Pharmacology & Chemical Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA. Electronic address: sss43@pitt.edu.

Funding

Role of erythroid DAMP molecules in the pathogenesis of vascular injury in sepsisR01GM113816 · NIGMS · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI OFORI-ACQUAH, SOLOMON FIIFI, SHIVA, SRUTI · 2015 to 2019
$3.3M
Nitrite based neuroprotection after cardiac arrestK08NS069817 · NINDS · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI DEZFULIAN, CAMERON · 2010 to 2014
$842k
NINDS NIH HHS K08 NS069817
6 · The paper itself

Abstract

Remote Ischemic Conditioning (RIC), induced by brief cycles of ischemia and reperfusion, protects vital organs from a prolonged ischemic insult. While several biochemical mediators have been implicated in RIC's mechanism of action, it remains unclear whether the localization or "dose" of RIC affects the extent of protective signaling. In this randomized crossover study of healthy individuals, we tested whether the number of cycles of RIC and its localization (arm versus thigh) determines biochemical signaling and cytoprotection. Subjects received either arm or thigh RIC and then were crossed over to receive RIC in the other extremity. Blood flow, tissue perfusion, concentrations of the circulating protective mediator nitrite, and platelet mitochondrial function were measured after each RIC cycle. We found that plasma nitrite concentration peaked after the first RIC cycle and remained elevated throughout RIC. This plasma nitrite conferred cytoprotection in an in vitro myocyte model of hypoxia/reoxygenation. Notably, though plasma nitrite returned to baseline at 24h, RIC conditioned plasma still mediated protection. Additionally, no difference in endpoints between RIC in thigh versus arm was found. These data demonstrate that localization and "dose" of RIC does not affect cytoprotection and further elucidate the mechanisms by which nitrite contributes to RIC-dependent protection.

Indexed as

AdultArmBlood PlateletsCross-Over StudiesFemaleHealthy VolunteersHumansIschemic PreconditioningMaleMitochondriaNitritesRandom AllocationSignal TransductionThighNitrites

Identifiers

PMID28334684
PMCPMC5362138

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
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.