Figure 1.

Immunocytochemistry for CXCR4. a) Photomicrograph of the MKT-BR cell line (cytospin) stained for CXCR4 (400X) displaying mainly cytoplasmic expression of the receptor. Mild nuclear staining is also evident in this image. b) Photomicrograph of the negative control for the MKT-BR cell line (400X).