Hematopoietic cell-derived TSP1 modulates arterial thrombosis. (A) Genomic DNA PCR analysis for the Tsp1 gene in peripheral blood mononuclear cells from transplanted Tsp1^−/−-BM→ Tsp1^−/− mice and WT-BM→ Tsp1^−/− mice. (B) Quantification of first thrombus (>20 μm). (C) Thrombus growth kinetics (fold increase). (D) Mean time to complete occlusion. Data represent mean ± standard error of the mean. N = 7 to 8 mice/group. *P < .05; WT-BM in Tsp1^−/− vs Tsp1^−/−-BM in Tsp1^−/− mice.