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. 2019 Apr 2;14(4):e0214709. doi: 10.1371/journal.pone.0214709

Fig 5. Mean NO/urea ratio of OA-model-2 and control-2 at week1 (W1), week2 (W2) and week3 (W3).

Fig 5

Control-2 showed a decrease in NO/urea ratio from week1 to week3, whereas OA-model-2 showed an increase from W1 to W2 and W3 indicating a shift of synovial macrophages toward the pro-inflammatory M1 phenotype.