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Beta-carotene-induced chemotaxis of EPC and HUVEC. a (left) Influence of beta-carotene on EPC migration. b (right) Influence of beta-carotene on HUVEC migration. The chemotactic activity of used cells was expressed as the chemotaxis index (CHI). Values are mean values ± SD, n = 3 done in triplicates. *Significantly different from the corresponding control, *P < 0.05, **P < 0.005
