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Table 1 Maltonis mean IC50 values in a panel of human derived sarcoma and human normal mesenchymal cells

From: An aza-macrocycle containing maltolic side-arms (maltonis) as potential drug against human pediatric sarcomas

Histotypea

Cell lineb

IC50 μM (± SE)c,f

Genetic alterationd

Doubling time (hours)e,f

RHABDOMYOSARCOMA

RD/18

6.8 (± 2.1)

Altered 11p15.5 chromosome

22 ± 0.1

 

SJ-RH4

5.6 (± 1.3)

(2;13)(q35;q14) PAX3 FKHR

25 ± 1.2

 

SJ-RH30

9.9 (± 2.7)

(2;13)(q35;q14) PAX3 FKHR

26 ± 1.0

OSTEOSARCOMA

IOR/OS10

5.5 (± 1.3)

Complex Karyotype

30.4 ± 2.6

 

IOR/OS9

8.6 (± 1.8)

Complex Karyotype

44.5 ± 2.4

 

Saos-2

11.9 (± 3.1)

Complex Karyotype

36.1 ± 4.4

 

Saos-2/DX580

39.3 (± 2.6)

Complex Karyotype

75.6 ± 5.7

 

Saos-2/CDDP6ug

43.3 (± 6.8)

Complex Karyotype

44.3 ± 4.1

 

U-2OS

12.5 (± 0.7)

Complex Karyotype

18.3 ± 0.2

 

U-2OS/DX580

16.5 (± 0.4)

Complex Karyotype

45.3 ± 4.7

 

U-2OS/CDDP4ug

56.1 (± 1.4)

Complex Karyotype

38.6 ± 4.1

EWING SARCOMA

6647

3.1 (± 1.4)

t(11;22)(q24;q12) EWSR1-FLI1 TYPE II

29 ± 2.3

 

LAP-35

11.6 (± 0.7)

t(11;22)(q24;q12) EWSR1-FLI1 TYPE II

48.6 ± 4.2

 

SK-N-MC

3.9 (± 0.5)

t(11;22)(q24;q12) EWSR1-FLI1 TYPE I

26.9 ± 0.5

 

TC-71

2.6 (± 1.4)

t(11;22)(q24;q12) EWSR1-FLI1 TYPE I

14.9 ± 1.4

 

TC/DOXO8

5.0 (± 0.1)

t(11;22)(q24;q12) EWSR1-FLI1 TYPE I

22.6 ± 2.8

h-MSC

MES1

>50

n.d.

n.d.

 

MES2

>50

n.d.

n.d.

 

DP-15

>50

n.d.

n.d.

  1. aHistotype: origin of the patient-derived cell line.
  2. bcell line name.
  3. cmean IC50 calculated over three idependent experiments ± SE.
  4. dgenetic alterations associated to the cell line.
  5. edoubling time of the indicated cell line.
  6. fIC50 values statistically correlate with cell doubling times (r = 0.59, p = 0.01, Pearson correlation test).
  7. n.d. not determined.