Immunofluorescence analysis of rat-kidney tissue. p300 Polyclonal Antibody (red) was diluted at 1:200(4°C,overnight). Cy3 labled Secondary antibody was diluted at 1:300 (room temperature, 50min). Picture B: DAPI(blue) 10min. Picture A:Target. Picture B: DAPI. Picture C: merge of A+B.