Figure 1

Cell surface antigen analysis by two-color flow cytometry. (a) Phenotype analysis of lymphocytes of the lymph node by flow cytometric analysis with a combination of anti-CD3/-CD20 and anti-CD27/-CD20 antibodies. B cells are surrounded by a dotted line. (b) Phenotype analysis of B cells purified using CD19-microbeads by flow cytomeric analysis with a combination of anti-CD3/-CD20 antibodies. Purified B cells are surrounded by a dotted line.