HPMEC from Creative Bioarray are isolated from human lung tissue. HPMEC are cryopreserved after purification and delivered frozen. Each vial contains >5 x 10^5 cells in 1 ml volume. HPMEC are characterized by immunofluorescent method with antibodies to vWF/Factor VIII and CD31 (P-CAM) and by uptake of DiI-Ac-LDL. HPMEC are negative for HIV-1, HBV, HCV, mycoplasma, bacteria, yeast and fungi. HPMEC are guaranteed to further expand for 10 population doublings at the conditions provided by Creative Bioarray.