Figure 7From: Effects of TGF-β1 and IGF-1 on proliferation of human nucleus pulposus cells in medium with different serum concentrationsThe morphology of human NP cells under 1%FBS conditions. 1%FBS, 10 μg/L TGF-β1+100 μg/L IGF-1, NP cells trended to appear in short spindle-shape with short pseudopods. (×100).Back to article page