Evidence map›Paper›PMID 24832680›Full record

ReviewFree radical biology & medicine2014

Hemoglobin α in the blood vessel wall.

Joshua T Butcher, Tyler Johnson, Jody Beers, Linda Columbus, Brant E Isakson

Open access · hybridAbstract readReview
In one paragraph

Review in Free radical biology & medicine, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed, 1 pooled it
1.5field-weighted citation impact, top 20% 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

27 citing papers in PubMed, 1 synthesis or guideline pooled it, 43 citations in OpenAlex.

  1. Pooled it
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  18. Unbiased proteomics identifies plasminogen activator inhibitor-1 as a negative regulator of endothelial nitric oxide synthase.Proceedings of the National Academy of Sciences of the United States of America · 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

5 authors at 2 institutions in 1 country.

Joshua T ButcherRobert M. Berne Cardiovascular Research Center, University of Virginia, Charlottesville, VA 22908, USA.
Tyler JohnsonRobert M. Berne Cardiovascular Research Center, University of Virginia, Charlottesville, VA 22908, USA.
Jody BeersHopkins Marine Station, Stanford University, Pacific Grove, CA 93950, USA.
Linda ColumbusDepartment of Chemistry, University of Virginia, Charlottesville, VA 22908, USA.
Brant E IsaksonRobert M. Berne Cardiovascular Research Center, University of Virginia, Charlottesville, VA 22908, USA; Department of Molecular Physiology and Biophysics, School of Medicine, University of Virginia, Charlottesville, VA 22908, USA. Electronic address: brant@virginia.edu.
University of Virginia · USPacific University · US

Funding

BASIC CARDIOVASCULAR RESEARCH TRAINING GRANTT32HL007284 · NHLBI · UNIVERSITY OF VIRGINIA CHARLOTTESVILLE · PI Brant E Isakson, Gary K Owens · 1985 to 2026
$19.6M
Mechanisms of Heterocellular Signaling at the Myoenothelial JunctionR01HL088554 · NHLBI · UNIVERSITY OF VIRGINIA · PI ISAKSON, BRANT E, WEISS, MITCHELL J · 2008 to 2017
$3.8M
Mechanism of PAI-1 Polarization to Myoendothelial JunctionsR21HL107963 · NHLBI · UNIVERSITY OF VIRGINIA · PI ISAKSON, BRANT E · 2012 to 2013
$414k
NHLBI NIH HHS HL088554NHLBI NIH HHS HL107963NHLBI NIH HHS R01 HL088554NHLBI NIH HHS R21 HL107963NHLBI NIH HHS T32 HL007284
6 · The paper itself

Abstract

Hemoglobin has been studied and well characterized in red blood cells for over 100 years. However, new work has indicated that the hemoglobin α subunit (Hbα) is also found within the blood vessel wall, where it appears to localize at the myoendothelial junction (MEJ) and plays a role in regulating nitric oxide (NO) signaling between endothelium and smooth muscle. This discovery has created a new paradigm for the control of endothelial nitric oxide synthase activity, nitric oxide diffusion, and, ultimately, vascular tone and blood pressure. This review discusses the current knowledge of hemoglobin׳s properties as a gas exchange molecule in the bloodstream and extrapolates the properties of Hbα biology to the MEJ signaling domain. Specifically, we propose that Hbα is present at the MEJ to regulate NO release and diffusion in a restricted physical space, which would have powerful implications for the regulation of blood flow in peripheral resistance arteries.

Indexed as

Blood PressureEndothelium, VascularHemoglobinsHumansMuscle, SmoothNitric OxideNitric Oxide Synthase Type IIIPeptide FragmentsPulmonary Gas ExchangeRegional Blood FlowVascular Resistancealpha(A) globinHemoglobinsNitric OxideNitric Oxide Synthase Type IIINOS3 protein, humanPeptide FragmentsCytochrome b(5) reductase 3Free radicalsHemoglobinHemoglobin αMyoendothelial junctionNitric oxideα-Thalassemia

Identifiers

PMID24832680
PMCPMC4135531
OpenAlexW1971833830

What OpenQuestion holds

Textmetadata
LicenceTDM
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.