Fig. 3.
When THP-1 cell numbers were stepwise increased from 2 × 105 to 4 × 105 and 6 × 105, basal rolling and adhesion increased progressively (•). The addition of 3:1 activated platelets (○) further augmented THP-1 cell rolling (A) and adhesion (B) irrespective of absolute THP-1 cell number (n = 4, * P < .01).