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. 2022 Mar 8;13:866641. doi: 10.3389/fendo.2022.866641

Figure 9.

Figure 9

Isolation and culture of rat primary BMSCs, the induction of osteogenic and adipogenic differentiation and the detection of cell surface markers. (A) The morphology of primary BMSCs from third-generation rats was observed under a microscope (×40). (B) After the osteogenic differentiation of third-generation BMSCs was induced with an osteogenic differentiation-inducing agent (Alizarin red staining), the formation of mineralized nodules was observed under a microscope (×100). (C) The adipogenic differentiation of third-generation BMSCs was induced by an adipogenic differentiation-inducing agent, and lipid droplets were enlarged and made rounder by continuous culture with maintenance medium (stained with oil red O) and observed under a microscope (×200). (D–F) The primary BMSCs of third-generation rats were collected and stained for CD29 (D), CD44 (E), CD45 (F) and CD90 (G) for 30 min. Control staining was simultaneously carried out. Fluorescence was detected with a flow cytometer, and the results were analysed.