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Table 2 Estimated IC50 of NSC 617145 in HTLV-1-transformed and patient-derived cells

From: WRN-targeted therapy using inhibitors NSC 19630 and NSC 617145 induce apoptosis in HTLV-1-transformed adult T-cell leukemia cells

HTLV-1-transformed cell lines

IC50 (μM)

MT-4

0.19 ± 0.042

C8166

0.22 ± 0.023

C91PL

0.21 ± 0.0091

1186.94

0.22 ± 0.063

ATL-derived cell lines

IC50 (μM)

ED

0.15 ± 0.033

TL

0.17 ± 0.039

ATL-25

0.16 ± 0.007

ATL-43T

0.099 ± 0.013

ATL-55T

0.22 ± 0.0012

LMY-1

0.29 ± 0.0087

KK1

0.28 ± 0.032

SO4

0.14 ± 0.061

KOB

0.17 ± 0.031

  1. We tested the HTLV-1-transformed, ATL-derived cell lines (MT-4, C8166, C91PL, 1186.94, ED, TL, ATL-25, ATL-43T, ATL-55T, LMY1, KK1, SO4, KOB) with increasing doses of NSC 617145 (0.02, 0.2, and 2 μM), and cell count was used to measure the inhibition of cellular growth. We calculated the IC50 for every cell line by using logarithmic transformation and the values are reported in the table. Our analysis clearly shows that NSC 617145 is more potent in inhibiting cellular proliferation compared to NSC 19630