NEW INSIGHTS INTO CELLULAR FUNCTIONS

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Muscle cells are characterized by the presence of multiple nuclei evenly spaced under the plasma membrane. Whether this particular arrangement is required for muscle function is still under debate. Nonetheless, several muscular diseases are characterized by abnormal nuclear positioning, such as centronuclear myopathies, titinopathies and desminopathies or due to mutations of nuclear envelope proteins known to be involved in nuclear movement in other systems. The position of nuclei could be important for proper distribution of mRNA and proteins in such large cells.

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