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(A) Cell surface expression of CCR5 in Jurkat T leukaemia cells, naïve and activated CD4+ T cells as determined by FACS analyses. Numbers indicate percentage of CCR5 positive cells. (B) Relative transcript levels of CCR5 in various cells types. Numbers indicate expression percentage relative to RNA polymerase II (RPII). N.D. indicates transcript levels were below the detection threshold.
