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. 2017 Aug 21;7:8360. doi: 10.1038/s41598-017-08641-3

Figure 6.

Figure 6

In vivo PK profile and tumor growth inhibition bioactivity of the BsAb (CD3×HER2). (a) In vivo PK analysis of the BsAb and trastuzumab in Balb/c mice (N = 5). Single i.p. doses of 5 mg/kg BsAb or trastuzumab were injected into Balb/c mice. Test animals’ serum samples were assayed by ELISA. (b) PK parameters of trastuzumab and the BsAb. Data fitted to the non-compartmental analysis model. (c) BsAb inhibited growth of subcutaneously transplanted NCI-N87 cell. NCI-N87 cells were injected together with unstimulated human PBMCs from healthy donors. Mice (N = 8) were treated with 0.33 mg/kg, 1 mg/kg and 3 mg/kg i.p. dose of the BsAb and 1.5 mg/kg dose of Trastuzumab once a week. (d) Photographs of excised tumors at the end of the experiment. Error bar, SEM.