The Par3/Par6/aPKC complex and epithelial cell polarity.

Jia Chen1, Mingjie Zhang

  • 1Division of Life Science, State Key Laboratory of Molecular Neuroscience, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong. j.chen@gurdon.cam.ac.uk

Summary

This review explores recent findings on the Par3/Par6/aPKC complex and its role in epithelial cell polarity. Epithelial cells maintain apical-basal polarity to function as barriers and transporters. The complex is proposed to regulate cytoskeletal organization and maintain polarity. Adhesion forces influence the complex's localization to specific membrane regions. The complex may regulate directional transport and asymmetric distribution of cellular components. Extracellular matrices also contribute to polarity. The complex's activity is linked to cell-cell and cell-extracellular matrix interactions. These findings suggest that the complex is a central player in epithelial polarity.

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