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. 2021 Jun 10;10(6):1462. doi: 10.3390/cells10061462

Figure 4.

Figure 4

Functional characterization of chondrocyte subtypes. (A) Enriched ontologies for each chondrocyte subtype. Circle size indicates the number of genes associated with each category. (B) Circos plot showing overlap between genes enriched (>1.25-fold) in each cluster compared to all other clusters. The purple curves link identical genes. (C) Feature plots showing the expression of Matn3, Cytl1, Spp1, and Chil1. (D) Protein-level expression of Matn3 (red) and Cytl1 (green). (E) Protein-level expression of Chil1/CHI3L1 (red). (F) Protein-level expression of Spp1 (red). DAPI (blue); C: cartilage; B: bone; M: meniscus.