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Angiogenic responses of human umbilical vascular endothelial cells (HUVEC) to PTX treatment. A. HUVECs treated for 24 hrs by PTX at 0 (vehicle control), 5 nM, 25 nM, and 50 nM in the DMSO or RUB solubilization systems. B. Migration assay of HUVEC stimulated with 4 ng/mL vascular endothelial growth factor. HUVECs were scraped from the center and treated for 6 hrs by PTX at 0 (vehicle control), 5 nM, 25 nM, and 50 nM in the DMSO or RUB solubilization systems.
