Abstract
Aim: We assessed reproducibility of endothelial microparticles (EMPs) enumeration among youth. Methods & results: Four microparticle (MP) indices - total MP per microliter platelet free plasma (PFP), total EMPs per microliter PFP, percent activated EMPs and percent lactadherin positive (LACT[+]) of total EMPs - were measured at two visits (baseline and 7 ± 3 days follow-up) to determine reproducibility overall and by obesity status. We examined CD31+ or CD144+ with CD41-EMP events of size 0.3-1.0 μm. No statistically significant differences were observed between visits for any of the four MP indices. The within-participant and between-participant coefficient of variation was acceptable (range: 1.13-2.37) with good intraclass-correlation coefficient for all indices except total MP per microliter (range: 0.10-1.00). Conclusion: Total EMPs per microliter PFP, percent-activated EMPs and percent LACT(+) of total EMPs are reproducible among youth.
Original language | English (US) |
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Pages (from-to) | 43-51 |
Number of pages | 9 |
Journal | Biomarkers in Medicine |
Volume | 14 |
Issue number | 1 |
DOIs | |
State | Published - 2019 |
Keywords
- biomarkers
- endothelial
- microparticles
- obesity
- reproducibility
- youth
ASJC Scopus subject areas
- Drug Discovery
- Biochemistry, medical
- Clinical Biochemistry