特異性:Western blot analysis of extracts of various cell lines, using SMAD1 antibody. Immunohistochemistry of paraffin-embedded human lung cancer using SMAD1 antibody at dilution of 1:200 (400x lens). Immunohistochemistry of paraffin-embedded human rectal cancer using SMAD1 antibody at dilution of 1:200 (400x lens). Immunofluorescence analysis of HeLa cell using SMAD1 antibody. Blue: DAPI for nuclear staining.