Evidence map›Paper›PMID 27595979›Full record

ArticleRespiratory physiology & neurobiology2016

Oxidative stress augments chemoreflex sensitivity in rats exposed to chronic intermittent hypoxia.

Barbara J Morgan, Melissa L Bates, Rodrigo Del Rio, Zunyi Wang, John M Dopp

Open access · greenAbstract read
In one paragraph

Article in Respiratory physiology & neurobiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
2.0field-weighted citation impact, top 15% 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

17 citing papers in PubMed, 31 citations in OpenAlex.

  1. Trial
  2. Article
  3. Review
  4. Review
  5. Article
  6. CORP: Sources and degrees of variability in whole animal intermittent hypoxia experiments.Journal of applied physiology (Bethesda, Md. : 1985) · 2023
    Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Intermittent hypoxemia and oxidative stress in preterm infants.Respiratory physiology & neurobiology · 2019
    Review
  12. Chronic intermittent hypoxia enhances disease progression in myeloma-resistant mice.American journal of physiology. Regulatory, integrative and comparative physiology · 2019
    Article
  13. Article
  14. Article
  15. Effect of Chronic Intermittent Hypoxia on Angiotensin II Receptors in the Central Nervous System.Clinical and experimental hypertension (New York, N.Y. : 1993) · 2018
    Article
  16. Article
  17. Review
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 3 institutions in 3 countries.

Barbara J MorganJohn Rankin Laboratory of Pulmonary Medicine, School of Medicine and Public Health: University of Wisconsin, Madison, WI 53706, USA; Department of Orthopedics and Rehabilitation, School of Medicine and Public Health; University of Wisconsin, Madison, WI 53706, USA. Electronic address: bjmorgan0107@gmail.com.
Melissa L BatesDepartment of Health and Human Physiology, College of Liberal Arts and Sciences; University of Iowa, Iowa City, IA 52242, USA.
Rodrigo Del RioLaboratory of Cardiorespiratory Control, Universidad Autónoma de Chile, Santiago, Chile.
Zunyi WangDepartment of Surgical Sciences, School of Veterinary Medicine; University of Wisconsin, Madison, WI 53706, USA.
John M DoppPharmacy Practice Division, School of Pharmacy; University of Wisconsin, Madison, WI 53705, USA.
University of Wisconsin–Madison · USLiberal Arts University · RUUniversidad Autónoma de Chile · CL

Funding

Pharmacologic Interventions for Cardiovascular Disease in Obstructive Sleep ApneaU01HL105365 · NHLBI · UNIVERSITY OF WISCONSIN-MADISON · PI DOPP, JOHN, MORGAN, BARBARA J · 2011 to 2013
$2.1M
NHLBI NIH HHS U01 HL105365
6 · The paper itself

Abstract

Chronic exposure to intermittent hypoxia (CIH) elicits plasticity of the carotid sinus and phrenic nerves via reactive oxygen species (ROS). To determine whether CIH-induced alterations in ventilation, metabolism, and heart rate are also dependent on ROS, we measured responses to acute hypoxia in conscious rats after 14 and 21 d of either CIH or normoxia (NORM), with or without concomitant administration of allopurinol (xanthine oxidase inhibitor), combined allopurinol plus losartan (angiotensin II type 1 receptor antagonist), or apocynin (NADPH oxidase inhibitor). Carotid body nitrotyrosine production was measured by immunohistochemistry. CIH produced an increase in the ventilatory response to acute hypoxia that was virtually eliminated by all three pharmacologic interventions. CIH caused a robust increase in carotid body nitrotyrosine production that was greatly attenuated by allopurinol plus losartan and by apocynin but unaffected by allopurinol. CIH caused a decrease in metabolic rate and a reduction in hypoxic bradycardia. Both of these effects were prevented by allopurinol, allopurinol plus losartan, and apocynin.

Indexed as

RespirationAcetophenonesAllopurinolAnalysis of VarianceAnimalsAnti-Arrhythmia AgentsAntioxidantsBody WeightCarbon DioxideCarotid SinusCatecholaminesChemoreceptor CellsFree Radical ScavengersHeart RateHypoxiaLosartan3-nitrotyrosineAcetophenonesacetovanilloneAllopurinolAnti-Arrhythmia AgentsAntioxidantsCarbon DioxideCatecholaminesFree Radical ScavengersLosartanReactive Oxygen SpeciesTyrosineAntioxidantChemoreceptorIntermittent hypoxiaReactive oxygen species

Identifiers

PMID27595979
PMCPMC5096995
OpenAlexW2508630531

What OpenQuestion holds

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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.