Fig. 3From: Comprehensive proteome analysis of nasal lavage samples after controlled exposure to welding nanoparticles shows an induced acute phase and a nuclear receptor, LXR/RXR, activation that influence the status of the extracellular matrixCorrelation between the MMP9 concentration (fmol/µL) and lung function (FVC and FEV1%) aCombining the data from both the welding fume exposure day and filtered air exposure day. *Correlation is significant at the 0.05 level (2-tailed). **Correlation is significant at the 0.01 level (2-tailed)Back to article page