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Chemokine receptors. (A) Histograms show the expression of 5 chemokines receptors characterizing B-lymphocytes or plasma cells. See legend in Fig. 1B. (B) Schematic representation of the expression of CCR7, CXCR5, CXCR4, CCR1 and CCR2 on memory B cells, plasmablasts and bone marrow plasma cells (BMPC).
