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Table 2 Cytotoxic effect of LTX-302, LTX-315 and LTX-318 against HT-29, MT-1, Kelly, HUVEC, MRC-5 and RBC

From: Small lytic peptides escape the inhibitory effect of heparan sulfate on the surface of cancer cells

Peptide

HT-29 a IC 50 (μM)

MT-1 IC 50 (μM)

Kelly IC 50 (μM)

HUVEC IC 50 (μM)

MRC-5 IC 50 (μM)

RBC IC 50 (μM)

LTX-302

75 ± 5

73 ± 2

28 ± 0

123 ± 9

126 ± 11

> 695d

LTX-315

38 ± 3

31 ± 3

14 ± 1

28 ± 1

41 ± 3

> 695

LTX-318

248 ± 5

216 ± 36

78 ± 7

> 347c

> 347c

> 695

LfcinB

> 160b

> 160

141 ± 3

> 160

> 160

> 500e

  1. aThe peptide concentration killing 50% of the cells.
  2. Data are means of three independent experiments performed in triplicate.
  3. bThe maximum concentration of LfcinB tested was 500 μg/ml (160 μM)
  4. cThe maximum concentration of LTX-318 tested was 500 μg/ml (347 μM)
  5. dThe maximum concentration of the LTX peptides tested was 1000 μg/ml (695 μM)
  6. ePublished by Eliassen et al. [69].