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Fig. 3 | Stem Cell Research & Therapy

Fig. 3

From: Eliminating senescent chondrogenic progenitor cells enhances chondrogenesis under intermittent hydrostatic pressure for the treatment of OA

Fig. 3

Chronologically aging was associated with cartilage degeneration and increased IL-1β secretion in the posttraumatic OA model. a Representative macroscopic images, histological staining of the femoral condyles of the young and old rats subjected to ACLT. b, c Quantification analysis of OARSI scores (b) and Col 2 staining (c) (n = 6 sections/rat, N = 5 rats per group). d ELISA assay for the IL-1β level in the serum of the young and old rats subjected to ACLT (N = 5 rats per group). a Scale bar 200 μm. b–d Values are shown as mean ± SD. *P < 0.05, **P < 0.01, Student’s t test

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