Related Experiment Video
Updated: Jun 12, 2026

Measuring Carbon Content in Airway Macrophages Exposed to Carbon-Containing Particulate Matters
Published on: July 12, 2024
Pneumoproteins and inflammatory biomarkers in asphalt pavers
Dag G Ellingsen1, Bente Ulvestad, Lena Andersson
1National Institute of Occupational Health, Oslo, Norway. dag.ellingsen@stami.no
Abstract:
Pneumoproteins, biomarkers of systemic inflammation and endothelial activation were studied across a season in 72 asphalt pavers, 32 asphalt plant operators and 19 asphalt engineers. Smokers had lower concentrations of Clara cell protein (CC-16) and surfactant protein A, but higher concentrations of surfactant protein D, interleukin 6, C-reactive protein, fibrinogen and intercellular adhesion molecule (ICAM)-1 than non-smokers. Smokers reporting wheezing had lower mean CC-16 concentration than smokers not reporting wheezing (5.7 vs 8.6 microg l(-1); p = 0.05). Cholesterol, P-selectin and ICAM-1 were lower in pavers and operators at the end compared with the start of the season. This may be related to increased physical activity during the season.
Related Concept Videos
Chronic Obstructive Pulmonary Disease-II: Pathophysiology
Chronic Inflammation
Pneumonia I: Introduction
Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features
Pneumonia III: Complications and Assessment
Chronic Obstructive Pulmonary Disease II: Emphysema
Pneumonia II: Pathophysiology
