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. 2015 May 7;6(5):e1736. doi: 10.1038/cddis.2015.102

Figure 4.

Figure 4

Myristoylation is required for P36 proapoptotic effect in ALK-positive tumor cells. Cost ALCL cells were either incubated 1 h at 37 °C (a and b) or transfected using an Amaxa Nucleofector device (c and d) with biotin-coupled P36, either N-myristylated (P36-myr-biot) or unmyristylated (P36-biot). The peptides were visualized with streptavidin-FITC after cell fixation and permeabilization. Four-panel composites show Nomarski interference contrast (gray), peptide (green), cell nuclei (DAPI, blue) or a merge of all three (bottom right panels). (e) Cell viability following incubation or transfection with peptides was assayed after 48 h of treatment. The graph represents one of two independent experiments