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Table 3 Temozolomide specification and methods for measuring cell viability

From: Temozolomide sensitivity of malignant glioma cell lines – a systematic review assessing consistencies between in vitro studies

Characteristics

N = 212

Temozolomide concentration (μM)

 Lower range (IQR)a

0 (0-10)

 Upper range (IQR)a

800 (250.0-1266)

 Unspecified

30 (14.2%)

Temozolomide exposure time

 <24 hours

8 (3.8%)

 24 hours

24 (11.3%)

 48 hours

34 (16.0%)

 72 hours

59 (27.8%)

 96 hours

15 (7.1%)

 >96 hours

25 (11.8%)

 Range of time

38 (17.9%)

 Unspecified

9 (4.2%)

Cell viability assay

 MTT

95 (44.8%)

 CCK-8

35 (16.5%)

 MTS

11 (5.2%)

 Trypan blue

11 (5.2%)

 Other

55 (25.9%)

 Unspecified

5 (2.4%)

Method for cell viability quantification

 Plate reader

124 (58.5%)

 Flow cytometry

13 (6.1%)

 Microscopy and manual counting

11 (5.2%)

 Microscopy and automated counting

3 (1.4%)

 Technique in a reference/manual

16 (7.5 %)

 Unspecified

45 (21.2%)

  1. aRange of temozolomide used to assess drug sensitivity was reported in 183 studies.
  2. IQR interquartile range, MTT 3-(4,5-dimethylthiazolyl-2)-2,5-diphenyl-2H-tetrazolium bromide, CCK-8 Cell Counting Kit-8, MTS MTT with phenazine methosulfate