Fig. 6

Glucose, lactate, glutamine levels in culture media from 2D and 3D cultures. Culture media was collected over a period of 4 days and levels of metabolites were measured in 2D (blue) and 3D (red) cultures and presented as mean level per media-exposed surface area (mm2). A Total glucose consumed, mean of 2 samples. B Total glutamine consumed (μmol), mean of 3 pooled samples. C Total lactate produced (μmol), mean 2 samples. Error bars represent standard deviation