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. 2018 Jan 10;8:256. doi: 10.1038/s41598-017-18433-4

Figure 3.

Figure 3

Caspases and autophagy are required for CSF-1 or IL-34 induced macrophagic differentiation. (a) Human monocytes were exposed for 2 days to 100 ng/mL CSF-1 or 100 ng/mL IL-34 alone or in combination with either 50 µM qVD or 3 mM 3MA (3-MethylAdenine), which were added 30 min before CSF-1 or IL-34 treatment. The expression of cleaved NPM (NPM*), LC3B and cleaved cathepsin B (CTSB*) was analyzed by immunoblotting. (b) Human monocytes were treated as in Fig. 3a. (c,d) Monocytes were transfected with siRNA targeting LUCIFERASE (LUC), CASPASE-8 (CASP8) or BECLIN (BEC) and exposed for 2 days to 100 ng/mL CSF-1 or 100 ng/mL IL-34. (c) Expression of Caspase-8, Beclin and LC3B was analyzed by immunoblotting. Actin is used as a loading control. Asterisk indicates a cleavage fragment. (d) Differentiation was examined as previously described.