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. Author manuscript; available in PMC: 2017 Feb 20.
Published in final edited form as: Bioorg Med Chem. 2016 Sep 17;24(22):5855–5860. doi: 10.1016/j.bmc.2016.09.043

Figure 1.

Figure 1

Illustration of anti-CD123 antibody drug conjugates. Anti-CD123 antibody facilitates specific binding with CD123 on the surface of CD123-overexpressed cells and cellular uptake of ADCs. After internalization, the disulfide linker in CD123-CPT is degraded by GSH and results in release of CPT. Then, CPT inhibits tumor cell proliferation and accomplishes the therapeutic effects.