Research Article

Mechanical Stress-Induced IGF-1 Facilitates col-I and col-III Synthesis via the IGF-1R/AKT/mTORC1 Signaling Pathway

Figure 1

Identification of LFCs. Collagen I (a) and vimentin (d) immunofluorescence staining. Immunofluorescence is shown in green (a, d), and DAPI-stained nuclei are shown in blue (b, e). Merged pictures are shown (c, f). LFCs: ligamentum flavum cells; DAPI: 4,6-diamidino-2-phenylindole. Scale μm.
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