Fig. 1From: Wharton’s jelly mesenchymal stem cell-based or umbilical vein endothelial cell-based serum-free coculture with cytokines supports the ex vivo expansion/maintenance of cord blood hematopoietic stem/progenitor cellsThe proliferation status of UCB-HSPCs under a microscope. a UCB-CD34+ cells with WJ-MSC coculture in the presence of cytokines at day 0. b UCB-CD34+ cells with WJ-MSC coculture in the presence of cytokines at day 10. c UCB-CD34+ cells with UVEC coculture in the presence of cytokines at day 0. d UCB-CD34+ cells with UVEC coculture in the presence of cytokines at day 10Back to article page