ZFIN Image: Saltari et al., 2021, Fig. 2

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Fig. 2

A?^(25?35) treatment induces cell death in melanoma 2D and 3D cultures. A and B, Eight melanoma cell lines with intrinsic CD271^high versus CD271^low levels were treated with A?^(25?35) (40 ?mol/L) alone or in combination with cisplatin (30 ?mol/L). A and B, MTT assay was performed 24 hours later (A) and cell death (% sub-G₁; B) was evaluated by PI staining 72 hours after treatment. C, M121224 3D spheroids were treated with BRAFi (PLX4032; 3 ?mol/L), MEKi (MEK162; 200 nmol/L), A?^(25?35) � cisplatin and monitored over time. Scale bar, 30 ?m. D, Three spheroids/condition were used to measure the area with ImageJ at 96 hours from treatment. E, Caspase-3/7 activity was measured by FACS in M121224 spheres at different time points. F, 3D spheroids were treated with A?^(25?35) � cisplatin/BRAFi/MEKi. A total of 144 hours later, spheroids were stained with PI for cell death analysis by FACS. The percentage of cell death (% sub-G₁) was measured with FlowJo. Data represent the mean � SD of triplicate determinations. *, P < 0.05; **, P < 0.01; ***, P < 0.001; ****, P < 0.00001; ns, nonsignificant.

Acknowledgments

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