ELISA
Levels of inflammatory cytokines in BALF supernatants were detected
using IL-1β (MLB00C, R & amp, USA; D Systems, Minneapolis, USA)
and IL-6 (M6000B, R & amp; D Systems, USA)
enzyme-linked immunosorbent assay
(ELISA) kits. Experimental procedures were performed according to the
manual. Information of ELISA kits can be found in Supplementary Table 2.