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Eur J Cell Biol. 2007 Dec;86(11-12):807-16. Epub 2007 Jul 25.

Mechanotransduction of keratinocytes in culture and in the epidermis.

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Dermatological Sciences, Institute of Cellular Medicine, and North East England Stem Cell Institute, Newcastle University, Framlington Place, NE2 4HH Newcastle upon Tyne, UK.


The epidermis, like many other tissues, reacts to mechanical stress by increasing cell proliferation. Mechanically stressed skin regions often develop thicker skin and hyperkeratosis. Interestingly, a large number of skin diseases are accompanied by epidermal proliferation and hyperkeratosis even under normal mechanical stress conditions. Although, some of the molecular pathways of mechanical signaling involving integrins, the epidermal growth factor receptor and mitogen-activated protein kinases are known it is still unclear, how mechanical force is sensed and transformed into the molecular signals that induce cell proliferation. This review focuses on the molecules and pathways known to play a role in mechanotransduction in epidermal keratinocytes and discusses the pathways identified in other well-studied cell types.

[Indexed for MEDLINE]

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