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Penn Medicine
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Education and Training

Cell Migration and Intracellular Transport

This fluorescence micrograph of a migrating kidney epithelial cell shows the localization of fluorescent antibodies that are bound to myosin-I. Myosin-I is a molecular motor that plays an important role in cell structure and membrane dynamics, and it is a key component of the dynamic cytoskeleton. As can be seen in the figure, myosin-I localizes to a region of the cell (the leading edge) that is undergoing rapid changes in shape and size.

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