Fig. 9
From: Shape-memory collagen scaffold combined with hyaluronic acid for repairing intervertebral disc
Disc degeneration and damage-induced pain analyses. A, C Representative images and B, D quantitative analyses of matrix metalloproteinase-13 (MMP-13) and neuropeptide calcitonin gene receptor protein (CGRP). The lowest percentage of cell number was observed in normal disc followed by G4 treated disc, whereas the highest was seen in G1. Mean ± SD (n = 4), one-way ANOVA. Scale bar: 100 μm, 500 μm