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. 2016 Oct 26;291(49):25716–25728. doi: 10.1074/jbc.M116.748624

FIGURE 5.

FIGURE 5.

TβRIII interacts with Wnt through its GAG chains. A, OVCA429 cells transiently expressing full-length TβRIII were immunoprecipitated (IP) and analyzed for Wnt3a-TβRIII interactions using the Wnt pulldown assay described under “Experimental Procedures” and previously (13). All values were normalized to the IgG sample. B, conditioned medium from COS-7 cells transiently expressing full-length TβRIII and Wnt3a-HA was immunoprecipitated using anti-TβRIII and immunoblotted using anti-HA and anti-TβRIII to analyze Wnt3a-TβRIII interactions as described under “Experimental Procedures” and previously (21, 27, 77). C, OVCA429 cells transiently expressing GFP (control), full-length TβRIII, or TβRIII-ΔGAG were immunoprecipitated using anti-TβRIII and immunoblotted (IB) using anti-Wnt3a and anti-TβRIII to analyze Wnt3a-TβRIII interactions using the Wnt pulldown assay described under “Experimental Procedures” and previously (13) All values were normalized to the GFP sample, and all figures represent at least two independent biological trials.