untransfected

CXCR4 siRNA transfected

quadrant

isotype

anti-CXCR4

isotype

anti-CXCR4

LL (tGFP− PE−)

85.0%

83.9%

95.4%

95.7%

UL (tGFP− PE+)

0.1%

0.4%

0.1%

0.1%

LR (tGFP+ PE−)

14.1%

10.1%

4.0%

3.4%

UR (tGFP+ PE+)

0.8%

5.6%

0.5%

0.8%