Table 1 Peptide design and IC50 values of DTT peptides against various cell lines

From: Oncolysis with DTT-205 and DTT-304 generates immunological memory in cured animals

Compound

JM1

BEL-7402

HEPG2

HepaRG

CT-26

HT-29

CC531

MRC-5

HUVEC

hRBCs

DTT-106

17.5 ± 4.2

27.1 ± 0.5

27.05 ± 0.6

24.1

9.7 ± 0.4

25.8 ± 1.2

26.7 ± 4.3

28.6 ± 2.4

29.3 ± 0.2

ND

DTT-201

26 ± 3.0

 > 31

 > 31

ND

10.8 ± 1.3

 > 31

 > 31

 > 31

 > 31

ND

DTT-202

15.9 ± 2.3

 > 31

 > 31

23.3 ± 0.9

7.4 ± 1.6

23.4 ± 0.5

16.5 ± 1.4

23.3 ± 2.2

29.9 ± 1.2

ND

DTT-203

13.4 ± 5.9

19.0 ± 1.3

23.4 ± 3.1

22.6

8.1 ± 0.6

26.5 ± 0.9

 > 31

30.5 ± 1.7

29.5 ± 0.8

ND

DTT-204

16.4 ± 1.0

22.9 ± 0.8

 > 31

ND

8.1 ± 1.2

16.5 ± 3.4

25.2 ± 0.4

24.0 ± 3.0

27.5 ± 2.5

ND

DTT-205

6.9 ± 1.7

10.3 ± 0.3

23.6 ± 0.7

9.0 ± 0.3

8.2 ± 0.5

9.8 ± 0.9

13.0 ± 0.3

11.2 ± 0.1

10.6 ± 2.6

526–614

DTT-122

 > 31

 > 31

 > 31

ND

ND

 > 31

ND

ND

ND

ND

DTT-301

26.0 ± 2.9

 > 31

 > 31

ND

6.7 ± 0.6

 > 31

 > 31

 > 31

 > 31

ND

DTT-302

16.3 ± 1.2

 > 31

24.5 ± 3.4

21.1

10.1 ± 1.5

 > 31

 > 31

 > 31

 > 31

ND

DTT-303

13.0 ± 0.8

19.5 ±2.4

20.2 ± 3.6

28.5

6.0 ± 0.5

 > 31

25.8 ± 5.8

26.7 ± 3.4

 > 31

ND

DTT-304

13.0 ± 1.3

16.4 ± 0.2

21.4 ± 0.3

15.0 ± 2.1

8.6 ± 2.6

21.1 ± 1.7

24.3 ± 6.7

29.0 ± 2.0

27.9 ± 2.1

 > 928

DTT-305

12.4 ± 2.0

15.8 ± 0.05

20.6 ± 2.4

14.8 ± 0.4

7.8 ± 2.0

9.0 ± 0.8

15.7 ± 0.3

12.4 ± 0.2

15.0 ± 0.3

ND

DTT-306

8.7 ± 0.7

11.6 ± 0.5

20.1 ± 2.8

12.5

7.5 ± 1.7

4.7 ± 0.9

13.1 ± 2.1

17.5 ± 2.3

16.4 ± 1.5

ND

  1. hRBCs human red blood cells, ND not determined
  2. Data represents two or more independent experiments conducted in triplicates (IC50 μM  ±  SD). Standard concentration gradient 1–100 μg/ml, equaling 0.3–31 μM