Table 1 Repetitive treatment of multicellular glioblastoma spheroids with temozolomide

From: Temozolomide induces apoptosis and senescence in glioma cells cultured as multicellular spheroids

 

Second treatment

First treatment

IC 50 after 8 days

IC 50 after 13 days

IC 30 after 13 days

Untreated

9.8±1.3 μg ml−1

14.0±1.6 μg ml−1

5.7±1.9 μg ml−1

10 μg ml−1 temozolomide

Not reached

Not reached

13 μg ml−1

20 μg ml−1 temozolomide

Not reached

Not reached

13 μg ml−1

  1. IC50 and IC30 values were calculated by the relation of spheroid volume growth between treated and untreated spheroids after the second treatment with temozolomide