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Fig. 4. Antitumor efficacy of ERY974 against various cancer types.
Antitumor efficacy of ERY974 against various cancer types. (A) GPC3 expression in various cancer cell lines determined by quantitative flow cytometry. (B) IHC results of GPC3 staining in xenograft tissues of indicated cancer cell lines. H-scores in the cytoplasm are indicated in parentheses. Images were taken using a 20× objective. (C) Antitumor efficacy of ERY974 against various xenograft tumors in NOD-SCID mice inoculated with human T cells. Mean tumor volume values are shown + SD (n = 5). *P < 0.05 between vehicle and ERY974 group by Wilcoxon test. Arrows indicate timing of ERY974 administration. (D) Antitumor efficacy of ERY974 against large tumors. When the mean volume of implanted KYSE70 tumors reached more than 600 mm3, vehicle or ERY974 (1 mg/kg) was administered 3 to 5 hours after the T cell injection. Mean tumor volumes in each group are shown + SD (n = 4). Images represent tumor burden over time in one representative animal dosed with ERY974 on day 29. (E) Antitumor efficacy of ERY974 against GPC3-negative cell xenograft tumors. Mean values for tumor volume in each group are shown + SD (n = 5). Takahiro Ishiguro et al., Sci Transl Med 2017;9:eaal4291 Published by AAAS
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