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Immunofluorescence images for cell type markers for B cells (CD20), T cells (CD3), and macrophages (CD68), activated Syk (pSyk), and nuclei by TO-PRO-3. The overlap images of pSyk (green) and cell type markers (red) and nuclei (blue). Arrowheads indicate the cells with the corresponding cell type markers. Bar, 20 µm.
