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. 2024 Jan 12;15(1):2302246. doi: 10.1080/21655979.2024.2302246

Figure 6.

Figure displays functional data derived from dendritic cells showing that the purified CD40 nanobody variants from figure 5 with 6 and 9 nanobody copies are much more active than the variant with only 4 copies.

CD40 agonists with intrinsic agonism trigger maturation and activation of DCs. immature monocyte-derived dendritic cells (iDcs) were generated by cultivation of monocytes for 7 days with GM-CSF/IL4. (a) iDCs were treated with 200 ng/ml of the indicated constructs and were then analyzed after 2 days by flow cytometry for the cell surface expression of CD14 (left panel) and CD83 (right panel). (b) iDCs were treated with 200 ng/ml of the indicated constructs and were analyzed next day by western blotting for the presence of the indicated proteins. (c) iDCs were treated with 8, 40 or 200 ng/ml of the indicated constructs overnight and finally cell culture supernatants were analyzed for their IL8 content by ELISA. n.s. = non significant; *p < 0.05; **p < 0.01, ***p < 0.001.