Messenger RNA (mRNA) expression of intracellular adhesion molecule 1 (ICAM-1), E-selectin, β1 integrin, and vascular cell adhesion molecule 1 (VCAM-1) in human pulmonary arterial endothelial cells treated in vitro with 10 μM of lysophosphatidic acid (LPA) and/or 10 μM of Ki16425 (Ki). Data represent mean + SD of mRNA expression normalized to geometric mean of mRNA expression of 3 housekeeping genes (HPRT, UBC, and B2M), in 3 independent experiments. Triple asterisks indicate P < 0.001 versus Ki+LPA, double asterisks P < 0.01 versus Ki+LPA, and “ns” P > 0.05 versus Ki+LPA. RQ: relative quantity.