期刊
SEMINARS IN CELL & DEVELOPMENTAL BIOLOGY
卷 23, 期 1, 页码 92-101出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.semcdb.2011.10.017
关键词
Cell-cell communication; Cell adhesion; Desmosome; EphA2; Epithelial; Cadherin
资金
- Dermatology Foundation
- Zell Family Foundation (Robert H. Lurie Comprehensive Cancer Center
- RHLCCC)
- Foglia Family Foundation (Dept. of Dermatology
- Northwestern University)
- RHLCCC
- National Institute of Health [CA92259, DK077876]
- FAMRI
Eph receptor tyrosine kinases mediate cell-cell communication by interacting with ephrin ligands residing on adjacent cell surfaces. In doing so, these juxtamembrane signaling complexes provide important contextual information about the cellular microenvironment that helps orchestrate tissue morphogenesis and maintain homeostasis. Eph/ephrin signaling has been implicated in various aspects of mammalian skin physiology, with several members of this large family of receptor tyrosine kinases and their ligands present in the epidermis, hair follicles, sebaceous glands, and underlying dermis. This review focuses on the emerging role of Eph receptors and ephrins in epidermal keratinocytes where they can modulate proliferation, migration, differentiation, and death. The activation of Eph receptors by ephrins at sites of cell-cell contact also appears to play a key role in the maturation of intercellular junctional complexes as keratinocytes move out of the basal layer and differentiate in the suprabasal layers of this stratified, squamous epithelium. Furthermore, alterations in the epidermal Eph/ephrin axis have been associated with cutaneous malignancy, wound healing defects and inflammatory skin conditions. These collective observations suggest that the Eph/ephrin cell-cell communication pathway may be amenable to therapeutic intervention for the purpose of restoring epidermal tissue homeostasis and integrity in dermatological disorders. (C) 2011 Elsevier Ltd. All rights reserved.
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