Mechanotransduction of extracellular stimuli into the chromatin located in the cell nucleus and overall cell mechanics may require the physical support of structures of A-type lamins. Several cellular pathologic phenotypes and phases of stem cell differentiation involve regulation and reorganization of A-type lamins. Here is presented a study of changes in cell mechanics associated to the reorganization of nuclear structures consequent to knockdown of A-type lamins. Transient dysmophism of the cell nucleus is observed during knockdown of A-type lamins, which seems to be driven by inner cellular forces resultant of cytoskeletal and chromatin structural reorganization.

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