CC-chemokine ligand 18, CXC motif chemokine 13 and osteopontin as biomarkers of silicosis and asbestosis: a prospective observational study.

Summary: Silicosis and asbestosis are serious lung diseases caused by breathing in dangerous dusts, leading to permanent scarring. Doctors urgently need better ways to diagnose these conditions early and judge how severe they are. This study looked at three specific proteins found in the blood—CCL18, CXCL13, and Osteopontin (OPN)—to see if they could act as warning signs. By testing over 500 people, researchers found that patients with lung disease had much higher levels of these proteins than healthy people. Using all three markers together provided a highly accurate diagnosis and tracked lung damage severity in silicosis patients. However, these tests could not predict the risk of death. Overall, this "triple threat" blood test shows great promise for easier, more accurate diagnosis.