Tissue/cell: mouse lung tissue;4% Paraformaldehyde-fixed and paraffin-embedded;
Antigen retrieval: citrate buffer ( 0.01M, pH 6.0 ), Boiling bathing for 15min; Blocking buffer (normal goat serum,SLC0005) at 37℃ for 20 min;
Incubation: Anti-MARCO Polyclonal Antibody, Unconjugated(SL2659R-FITC) 1:100, overnight at 4°C; DAPI(5ug/ml,blue,SLC0033) was used to stain the cell nuclei