NFKB1 and idiopathic pulmonary fibrosis: The regular-dose MPS-NSSLs-SPANb (MPS 1 mg/kg)+AE-IPF one-week exposure group had significantly reduced pulmonary NF-κB mRNA expression than the MPS-NSSLs + AE-IPF, MPS + AE-IPF, and AE-IPF groups (p < .05, Figure 8(e)).