Fig. 5From: Is exclusion of leukocytes from platelet-rich plasma (PRP) a better choice for early intervertebral disc regeneration?Proliferation of NPSCs cultured in various concentrations of P-PRP or L-PRP. Cell proliferation was measured on day 3 and 7 in culture. Cells proliferated in a dose-dependent manner with 10% P-PRP and 10% L-PRP inducing the maximum effects at each time point. Asterisks indicate significant differences (P < 0.05) when compared with the controls. L-PRP leukocyte-platelet-rich plasma, NPSCs nucleus pulposus-derived stem cells, P-PRP pure platelet-rich plasmaBack to article page