Abstract
The microtubule cytoskeleton plays a critical role in a variety of cellular activities, and its structures and functions have been extensively studied. However, little is known about cell differentiation-related microtubule remodeling, its regulatory mechanisms, and its physiological functions. Recent studies have shown that microtubule-binding proteins as well as cell junctions, such as desmosomes and adherens junctions, are involved in the remodeling of microtubules in response to cell differentiation. In addition, the microtubule-organizing activity and structural integrity of centrosomes undergo dramatic changes during cell differentiation to promote microtubule remodeling. Here we summarize recent advances revealing the dynamic changes in microtubule organization and functions during cell differentiation. We also highlight the molecular mechanisms underlying microtubule modeling in differentiated cells, focusing on the key roles played by microtubule-binding proteins, cell junctions, and centrosomes. This article is protected by copyright. All rights reserved.
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