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. 2018 Feb 1;8:2134. doi: 10.1038/s41598-018-20571-2

Figure 4.

Figure 4

GPR54 is necessary for KP-10-induced osteoblast differentiation. (A) Wild-type and GPR54−/− C3H10T1/2 cells were treated with 50 μM KP-10 for 6, 9, 12 or 24 h. Western blot analysis was performed using the indicated antibodies. BMP2 expression was normalized to β-actin expression. And the densitometry analysis was performed by ImageJ program (A, lower panel). (B and C) RT-PCR was performed using total RNA isolated from cultured cells. Wild-type and GPR54−/− cells were treated with 50 μM KP-10 for 1 day (B and C). C.M of wild-type cells treated with 50 μM KP-10 for 12 h was collected. GPR54−/− C3H10T1/2 cells were treated with 50 μM KP-10 or C.M for 2 days (C).