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Figure 2 (A) A bar graph showing CD144-EMP (endothelium-derived microparticles) levels in cultured medium of HCAEC and the number of dead HCAEC after exposure for 2 h to various concentrations of H₂O₂. The solid bars represent CD144-EMP levels and open bars represent the number of dead HCAEC (n = 4) (B) A linear-regression graph demonstrating the significant correlation between the number of dead HCAECs and CD144-EMP levels in cultured medium after exposure to various concentrations of H₂O₂ (r = 0.791, p = 0.002). Abbreviations as in Figure 1.