Figure 6.
Dose dependent response of U87-MG RFP cells after 12 days of culture and 72 hrs after TMZ exposure. CHA scaffolds containing 3D tumor spheroids showed increased ED50 relative to 2D culture signifying increased drug resistance. Viability was determined using the alamarBlue® assay (n = 4). (*) indicates significant difference from 2% CHA condition (p ≤ 0.5). (**) indicates all scaffolds are significantly different from each other (p ≤ 0.5). (+) indicates significant difference from 2D condition (p ≤ 0.5).