Table 4

Concentrations of MUC and IL-8 in BALF

DiseaseMUC5AC (ng/mL)MUC5B* (ng/mL)MUC2 (ng/mL)IL-8 (ng/mL)
Pleural effusion4.33±2.510.10±0.036.21±3.2876.46±2.16
ILD12.84±15.02†0.33±1.0410.23±9.27‡104.64±61.61‡
Lung cancer8.02±5.57‡0.50±0.8629.51±54.28‡148.45±169.24
Bronchiectasis6.08±2.400.09±0.0035.73±1.51123.68±63.28
  • *The MUC5B level in BALF of most patients was beyond the detection range of the detection kit (0.625 ng/mL~40 ng/mL).

  • †p<0.01 compared with patients with pleural effusion.

  • ‡p<0.05 compared with patients with pleural effusion.

  • BALF, bronchoalveolar lavage fluid; ILD, interstitial lung disease; MUC, mucin.