Evidence map›Paper›PMID 31113468›Full record

ArticleStem cell research & therapy2019

Reassessing the effects of continuous positive airway pressure (CPAP) on arterial stiffness and peripheral blood derived CD34+ progenitor cells in subjects with sleep apnea.

Cleyton C Domingues, Fiona J Dore, Alexander Cho, Neeki Ahmadi, Yana Kropotova, Nabanita Kundu, Naji Younes, Vivek Jain, Sabyasachi Sen

Open access · goldAbstract read
In one paragraph

Article in Stem cell research & therapy, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
0.9field-weighted citation impact, top 25% 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

6 citing papers in PubMed, 10 citations in OpenAlex.

  1. Article
  2. Review
  3. Article
  4. Article
  5. Advances in the study of OSA and diabetic foot.Diabetology & metabolic syndrome · 2022
    Review
  6. 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

9 authors at 3 institutions in 1 country.

Cleyton C DominguesDepartment of Medicine, School of Medicine and Health Science, The George Washington University, 2300 I Street NW, Washington, DC, 20037, USA.
Fiona J DoreThe GW Medical Faculty Associates, Washington, DC, USA.
Alexander ChoThe GW Medical Faculty Associates, Washington, DC, USA.
Neeki AhmadiDepartment of Medicine, School of Medicine and Health Science, The George Washington University, 2300 I Street NW, Washington, DC, 20037, USA.
Yana KropotovaDepartment of Medicine, School of Medicine and Health Science, The George Washington University, 2300 I Street NW, Washington, DC, 20037, USA.
Nabanita KunduDepartment of Medicine, School of Medicine and Health Science, The George Washington University, 2300 I Street NW, Washington, DC, 20037, USA.
Naji YounesThe GW Milken Institute of Public Health, Washington, DC, USA.
Vivek JainThe GW Medical Faculty Associates, Washington, DC, USA.
Sabyasachi SenDepartment of Medicine, School of Medicine and Health Science, The George Washington University, 2300 I Street NW, Washington, DC, 20037, USA. ssen1@gwu.edu.ORCID 0000-0002-3675-9129
George Washington University · USGW Medical Faculty Associates · USMilken Institute · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundObstructive sleep apnea (OSA) is an independent risk factor for cardiovascular diseases (CVD) and vascular health. Peripheral blood-derived CD34+ progenitor cells have been used as biomarker for CVD risk and may play a similar role in OSA and CVD risk assessment. Although there are some controversial results in the literature, OSA patients may have a reduction in the number and function of CD34+ cells. The damages promoted by OSA in CD34+ cells may lead to an increase in endothelial oxidative stress and endothelial inflammation which may lead to a reduced endothelial repair capacity. In this study, we explored the effect of continuous positive airway pressure (CPAP) on peripheral blood-derived CD34+ cells and arterial stiffness (another predictor of endothelial health and CVD risk) in OSA patients. METHODS AND

resultsNine overweight and obese subjects without prediabetes or diabetes were recruited. Eight out of nine subjects had moderate to severe degree of OSA. CD34+ cells were isolated from peripheral blood. Number and function of these cells were monitored before and after 3 months of treatment with CPAP. No significant changes were observed in the number of CD34+ cells, CFU-Hill's colony formation unit (CFU) count or migratory response to the chemotactic factor SDF-1a after CPAP use. However, CXCR4 mRNA expression significantly increased by 2.2-fold indicating that CPAP may have a positive effect on SDF1a receptor (CXCR4), thereby improving migration of CD34+ cells mediated by SDF1a after the 3 month period. Interestingly, in clinical arena our results showed a reduction of pulse wave velocity (an established parameter of arterial stiffness) following CPAP therapy.

conclusionsOur findings suggest that 3-month CPAP intervention does not show statistical significant increase in CD34+ cell number and function, in mostly moderate to severe OSA subjects; however, it did demonstrate a positive trend. CPAP therapy, did help improve arterial stiffness parameter.

Indexed as

Continuous Positive Airway PressureAdolescentAdultAntigens, CD34Chemokine CXCL12Endothelial CellsFemaleGene Expression RegulationHumansMaleOxidative StressPeripheral Blood Stem CellsReceptors, CXCR4Sleep Apnea SyndromesStem CellsVascular StiffnessAntigens, CD34Chemokine CXCL12CXCL12 protein, humanCXCR4 protein, humanReceptors, CXCR4Arterial stiffnessContinuous positive airway pressureEndothelial progenitor cellsObstructive sleep apnea

Identifiers

PMID31113468
PMCPMC6530134
OpenAlexW2947099467

What OpenQuestion holds

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LicenceCC BY
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Registered trials

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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.