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Table 1 CC50 values for vehicle (DMSO) and betulin

From: High cytotoxicity of betulin towards fish and murine fibroblasts: Is betulin safe for nonneoplastic cells?

cell line

DMSO (MTT)

betulin

MTT

NRU

SRB

24 h

48 h

72 h

24 h

48 h

72 h

24 h

48 h

72 h

24 h

48 h

72 h

NIH/3T3

2.989

± 0.159

2.374

± 0.395

1.635

± 0.423

1.532

± 0.005

1.585

± 0.64

1.853

± 0.647

˃15.625

7.329

± 2.942

12.954

± 2.942

10.87

± 7.338

4.051

± 1.242

3.756

± 0.572

BF-2

5.031

± 0.423

4.434

± 0.717

4.794

± 0.337

3.394

± 0.903

2.751

± 1.051

3.021

± 1.034

27.615

± 9.006

16.462

± 3.599

14.516

± 3.41

>31.25

>31.25

>31.25

  1. DMSO concentrations in %, betulin concentrations in µg/mL. CC50 (50 % cytotoxic concentration) values expressed as means ± SD (standard deviation) for n = 3 independent experiments. CC50 values were calculated using the Quest Graph™ ED50 Calculator (AAT Bioquest, Inc.)