SAPCD2 and fibrosarcoma: First, the expression of SAPCD2 in hDFPCs, human lung fibroblast primary cells (hLFPCs), human mammary fibroblast primary cells (hMFPCs), human embryonic lung fibroblasts (HFL1), and two fibrosarcoma cell lines, HT-1080 and SW 684, was examined by real-time PCR and western blot.