Blood Protein Levels May Help ID Hidden Lung Disease in Sjögren’s
Elevated levels in the blood of the protein Krebs von den Lungen-6 (KL-6) — an indicator of lung inflammation — may help identify interstitial lung disease (ILD) in people with primary Sjögren’s syndrome who may not show symptoms, a study suggests. “Serum KL-6 level can serve as a valuable…