Table 1 Half-maximal inhibitory concentration (IC50 values) from neuroblastoma cell lines treated with quarfloxin and CX-5461

From: Inhibitors of ribosome biogenesis repress the growth of MYCN-amplified neuroblastoma

Cell line

MYCN status

TP53 status

IC50 (nM)±SD

Quarfloxin

CX-5461

IMR-32

Amp.

Wt

5.0 ± 2.2

7.6 ± 0.21

CHP-134

Amp.

Wt

23.0 ± 14.7

40.1 ± 13.9

CHLA-15

Non-amp.

Wt

54.0 ± 3.7

25.8 ± 2.2

BE(2)-C

Amp.

Mut

84.3 ± 5.0

106.9 ± 2.4

Kelly

Amp.

Mut

150.1 ± 33.7

275.6 ± 29.7

SK-N-AS

Non-amp.

Mut

965.2 ± 122.8

747.5 ± 65.8

SK-N-FI

Non-amp.

Mut

967.6 ± 178.8

618.3 ± 99.1

SHEP-TET21N -dox

Exogenous, high MycN

Wt

20.2 ± 0.03

14.4 ± 2.8

SHEP-TET21N + dox

Exogenous, low MycN

Wt

357.2 ± 151.5

311.8 ± 9.1

  1. Data from two independent experiments each consisting of two biological replicates per concentration. SD is the standard deviation between the individual experiments