HUMSC from ScienCell Research Laboratories are isolated from Wharton’s jelly of the umbilical cord. HUMSC are cryopreserved at passage one and delivered frozen. Each vial contains >5 x 10^5 cells in 1 ml volume. HUMSC are characterized by immunofluorescence with antibodies specific to CD73, CD90 and CD105. HUMSC are negative for HIV-1, HBV, HCV, mycoplasma, bacteria, yeast and fungi. HUMSC are guaranteed to further expand for 15 population doub领s under the conditions provided by ScienCell Research Laboratories.