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Table 1 Effect of SG2000 on the growth of canine cancer cells and canine normal cells following a 1 h or continuous (96 h) exposure

From: Activity of the DNA minor groove cross-linking agent SG2000 (SJG-136) against canine tumours

Cell Line

Cell Type

GI50 (nM)a

1 h

Continuous

C2

Mast cell

0.33 ± 0.84b

<0.03b

ARCE

Mast cell

>100

4.10 ± 0.87

CMeC-1

Melanoma, cutaneous (primary)

>100

17.33 ± 2.33

CMeC-2

Melanoma, cutaneous (derived from CMeC-1, metastatic in mouse model)

>100

11.0 ± 3.78

12

Melanoma, oral

63.63 ± 45

7.83 ± 1.16

KMeC

Melanoma, oral

4.73 ± 2.22

<0.03

LMeC

Melanoma, oral (metastatic mandibular lymph node)

24.0 ± 3.21

1.60 ± 0.79

DH82

Monocyte/macrophage/histiocytic sarcoma

>100

4.0 ± 2.0

A72

Connective tissue tumour

47.0 ± 3.51

0.83 ± 0.07

DEN

Haemangiosarcoma

45.0 ± 2.5

0.75 ± 0.08

D17

Osteosarcoma

47.5 ± 2.5

0.92 ± 0.57

CF33MG

Mammary gland carcinoma

9.0 ± 3.58

0.99 ± 0.01

CF35MG

Mammary gland (normal)

>100

6.0 ± 0.86

MDCK

Kidney epithelial (normal)

>100

28.33 ± 8.33

  1. aGI50 values are the dose of drug required to inhibit growth by 50 %. Data shown are the mean ± standard deviation from three independent experiments
  2. bData are from the SRB assay except for cell line C2 which grows partly in suspension and where the GI50 value was determined using the MTT assay