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. 2020 Feb 7;29:0963689720905798. doi: 10.1177/0963689720905798

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© The Author(s) 2020

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (https://creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 6. — Histological, immunohistochemical, and biochemical analysis of the NP. Representative (A) H&E and Safranin O staining of disc samples from each group at 16 weeks after injection. Scale bar = 1 mm. Immunohistochemical detection of collagen II in the NP from the control, degeneration, MFAT, and ADSCs groups at 16 weeks after injection. Scale bar = 500 µm. The contents of (B) sGAG and (C) hydroxyproline in each group at 16 weeks after injection were quantified. Data represent mean ± SEM; N=6; *p < 0.05, **p < 0.01, vs. control group; ^## p < 0.01, vs. MFAT group.