Evidence map›Paper›PMID 31365585›Full record

ArticlePloS one2019

Alterations in platelet bioenergetics in Group 2 PH-HFpEF patients.

Quyen L Nguyen, Yinna Wang, Nicole Helbling, Marc A Simon, Sruti Shiva

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed
2.4field-weighted citation impact, top 10% 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

20 citing papers in PubMed, 23 citations in OpenAlex.

  1. Article
  2. Coenzyme QInternational journal of molecular sciences · 2026
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  16. Platelet glycolytic metabolism correlates with hemodynamic severity in pulmonary arterial hypertension.American journal of physiology. Lung cellular and molecular physiology · 2020
    Article
  17. Review
  18. Review
  19. Review
  20. The Biological Bases of Group 2 Pulmonary Hypertension.International journal of molecular sciences · 2019
    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 1 institution in 1 country.

Quyen L NguyenDivision of Pulmonary Allergy and Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America.
Yinna WangVascular Medicine Institute, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America.
Nicole HelblingVascular Medicine Institute, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America.
Marc A SimonVascular Medicine Institute, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America.
Sruti ShivaVascular Medicine Institute, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America.ORCID 0000-0003-3535-2113
University of Pittsburgh · US

Funding

Vascular Subphenotypes of Lung DiseaseP01HL103455 · NHLBI · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI SHIVA, SRUTI · 2011 to 2020
$26.1M
Translational Training Program in Pulmonary Biology and MedicineT32HL007563 · NHLBI · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI Melanie Koenigshoff · 1985 to 2026
$12.3M
Mitochondrial Dysfunction Underlies Right Ventricular Failure in Pulmonary HypertensionF32HL132466 · NHLBI · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI NGUYEN, QUYEN · 2016 to 2017
$132k
NHLBI NIH HHS F32 HL132466NHLBI NIH HHS P01 HL103455NHLBI NIH HHS T32 HL007563
6 · The paper itself

Abstract

backgroundPulmonary hypertension (PH) is characterized by elevated pulmonary artery pressure but classified into subgroups based on disease etiology. It is established that systemic bioenergetic dysfunction contributes to the pathogenesis of pulmonary arterial hypertension classified as World Health Organization (WHO) Group 1. Consistent with this, we previously showed that platelets from Group 1 PH patients demonstrate increased glycolysis and enhanced maximal capacity for oxidative phosphorylation, which is due to increased fatty acid oxidation (FAO). However, it remains unclear whether identical mitochondrial alterations contribute to the pathology of other PH subgroups. The most prevalent subgroup of PH is WHO Group 2, which encompasses pulmonary venous hypertension secondary to left heart disease. Here, we hypothesized that platelets from Group 2 subjects show bioenergetic alteration compared to controls, and that these changes were similar to Group 1 PH patients. METHOD AND

resultsWe isolated platelets from subjects with Group 2 PH and controls (n = 20) and measured platelet bioenergetics as well as hemodynamic parameters. We demonstrate that Group 2 PH platelets do not show a change in glycolytic rate but do demonstrate enhanced maximal capacity of respiration due at least partially to increased FAO. Moreover, this enhanced maximal capacity correlates negatively with right ventricular stroke work index and is not changed by administration of inhaled nitrite, a modulator of pulmonary hemodynamics.

conclusionsThese data demonstrate that Group 2 PH subjects have altered bioenergetic function though this alteration is not identical to that of Group 1 PH. The implications of this alteration for disease pathogenesis will be discussed.

Indexed as

Energy MetabolismHemodynamicsAgedBlood PlateletsCase-Control StudiesFemaleGlycolysisHeart FailureHumansHypertension, PulmonaryMaleMitochondriaOxidative PhosphorylationStroke Volume

Identifiers

PMID31365585
PMCPMC6668825
OpenAlexW2966797854

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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.