Fig. 7From: Poly-3-hydroxybutyrate-co-3-hydroxyvalerate(PHBV)-Polyethylene glycol 20k(PEG20k) as a promising delivery system for PT2399 in the treatment of disc degenerationThe immunofluorescence staining was used to determine the expression level of VEGFA in nucleus pulposus cells for each experimental group.Mean ± SD represents all the statistical data. (n=3, *p < 0.05, ***p < 0.001, ns no significant difference observed)Back to article page