Cell fusion is an important process that occurs during normal development, as well as during cancer growth and metastasis. Using specific gold nanoparticles and intense femtosecond laser pulses to induce plasmonic cell fusion, we study the reorganization of the actin network within the fused cells, network that is known to be highly involved in epithelial-mesenchymal transitions. Time-lapse confocal microscopy of the fused cells showed large-scale actin networks within the giant hybrid cells, with unique reorganization dynamics that preserve the original filament orientation of original cells.
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