Evidence map›Paper›PMID 21057038›Full record

ArticleAmerican journal of physiology. Heart and circulatory physiology2011

Reversal of hemoglobin-induced vasoconstriction with sustained release of nitric oxide.

Pedro Cabrales, George Han, Parimala Nacharaju, Adam J Friedman, Joel M Friedman

Abstract read
In one paragraph

Article in American journal of physiology. Heart and circulatory physiology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 51 papers.

0numbers the graph read from it
0cells of the map it votes in
51citing papers in PubMed
2.4field-weighted citation impact, top 12% 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

51 citing papers in PubMed, 83 citations in OpenAlex.

  1. Sex determines cardiac and renal Vulnerability to chronic hemoglobin toxicity.Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie · 2026
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  6. Association of hemoglobin levels with metabolic traits in women with PCOS.Acta obstetricia et gynecologica Scandinavica · 2025
    Article
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  13. Review
  14. Correlation Between Hemoglobin Levels and Polycystic Ovary Syndrome Metabolic Disorder.Diabetes, metabolic syndrome and obesity : targets and therapy · 2023
    Article
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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.

Pedro CabralesDepartment of Bioengineering, University of California-San Diego, La Jolla, California, USA. pcabrales@ucsd.edu
George Han
Parimala Nacharaju
Adam J Friedman
Joel M Friedman
Albert Einstein College of Medicine · USUniversity of California, San Diego · US

Funding

New Paradigms in the Design of Blood SubstitutesP01HL071064 · NHLBI · YESHIVA UNIVERSITY · PI FRIEDMAN, JOEL M · 2002 to 2006
$11.8M
TRANSFUSION TRIGGER EXTENSION BY PLASMA EXPANDERSR01HL062354 · NHLBI · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI INTAGLIETTA, MARCOS · 2000 to 2009
$2.9M
NHLBI NIH HHS P01-HL071064NHLBI NIH HHS R01-HL062354
6 · The paper itself

Abstract

Erythrocyte free hemoglobin (Hb) induces vasoconstriction due to nitric oxide (NO) scavenging, limiting the NO available for vascular smooth muscle. The central objective of this study was to restore NO bioavailability using long-lived circulating NO-releasing nanoparticles (NO-np) to reverse the vasoconstriction and hypertension induced by polymerized bovine Hb (PBH) NO scavenging. PBH (13 g/dl) was infused in a volume equal to 10% of the animal blood volume. Intravascular NO supplementation was provided with an infusion of NO-np (10 and 20 mg/kg body wt). This study was performed using the hamster window chamber model to concurrently access systemic and microvascular hemodynamics. Infusion of PBH increased blood pressure and induced vasoconstriction. Treatment with 10 and 20 mg/kg NO-np reduced the blood pressure and vasoconstriction induced by PBH. Moreover, the higher dose of NO-np decreased blood pressure and induced vasodilation compared with baseline, respectively. Treatment with NO-np to decrease PBH-induced vasoconstriction increased methemoglobin levels and plasma nitrite and nitrate. In conclusion, NO-np counteracted both systemic hypertension and decreased the vasoconstrictor effects of PBH infusion, improving systemic and microvascular function. Based on the observed physiological properties, NO-np has clear potential as a therapeutic agent to replenish NO in situations where NO production is impaired, insufficient, or consumed, thereby preventing vascular complications.

Indexed as

Analysis of VarianceAnimalsBlood PressureCricetinaeHeart RateHemoglobinsMaleMesocricetusMicrocirculationNanoparticlesNitric OxideRandom AllocationVasoconstrictionHemoglobinsNitric Oxide

Identifiers

PMID21057038
PMCPMC3023241
OpenAlexW2146579431

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.