D alveolar macrophages using Nuclear Extract Kit (Active Motif, Carlsbad, CA, USA) and NF-kB DNA binding activity was measured by EMSA as described [13]. Briefly, nuclear proteins were incubated with [32p] abeled double-stranded NF-kB consensus probe (Promega) at room temperature for 30 min. DNA rotein complexes were resolved on 4 polyacrylamide gels equilibrated in 0.56 …
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