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. 2017 May;155:228–234. doi: 10.1016/j.envres.2017.02.014

Table 3.

Association between PM exposure (data from personal sampler) and different classes of Extracellular Vesicles (EV). Linear regression models after log transformation of both PM exposure and outcomes.

PM10from personal samplers
PM2.5from personal samplers
Univariate regression
Multivariate regressiona
Univariate regression
Multivariate regressiona
Exosomes and MV characteristics GMR (95% CI) p GMR (95% CI) p GMR (95% CI) p GMR (95% CI) p
EV countb (106/ml PL) Total EV 1.13 (0.76, 1.69) 0.53 1.05 (0.7, 1.57) 0.83 1.17 (0.81, 1.69) 0.39 1.05 (0.72, 1.55) 0.78
Exosomes 0.89 (0.38, 2.1) 0.79 0.60 (0.26, 1.39) 0.23 0.97 (0.44, 2.13) 0.93 0.58 (0.26, 1.29) 0.18
MV 1.21 (0.83, 1.75) 0.31 1.18 (0.8, 1.75) 0.40 1.24 (0.88, 1.74) 0.22 1.20 (0.83, 1.74) 0.33



MV subtypesc (103/ml PL) MVCD61+(platelets) 1.58 (0.43, 5.78) 0.48 1.49 (0.35, 6.33) 0.58 1.62 (0.49, 5.34) 0.42 1.52 (0.39, 5.98) 0.54
MVCD66+(neutrophils) 1.56 (0.49, 5.00) 0.45 1.89 (0.54, 6.61) 0.31 1.55 (0.53, 4.53) 0.42 1.91 (0.58, 6.24) 0.28
MVEpCAM+(epithelium) 1.64 (0.68, 3.95) 0.26 1.86 (0.71, 4.91) 0.20 1.47 (0.65, 3.32) 0.34 1.67 (0.66, 4.21) 0.27
MVCD105+(endothelium) 3.10 (1.29, 7.46) 0.01 3.47 (1.3, 9.27) 0.01 2.88 (1.28, 6.45) 0.01 3.14 (1.23, 8.02) 0.02
MVCD14+(macr./monoc.) 2.54 (0.82, 7.9) 0.11 3.45 (1, 11.94) 0.05 2.49 (0.88, 7.06) 0.09 3.70 (1.16, 11.86) 0.03

GMR, Geometric Mean Ratio.

a

Linear regression model adjusted for age, gender, BMI, and smoking habit (never, former, current smoker); PM10/PM2.5 values missing for 1 record.

b

Counts of EV fractions obtained by Nanosight analysis.

c

Counts of MV subtypes obtained by flow cytometry.