Figure 4From: Human mesenchymal stem cells possess different biological characteristics but do not change their therapeutic potential when cultured in serum free mediumClustering of gene expression for serum-free medium-cultured and serum-containing medium-cultured human umbilical cord mesenchymal stem cells. Two different clusters (expanded in serum-free medium and in serum-containing medium) were quite obvious. Green, downregulation; red, upregulation.Back to article page