期刊
BIOCHIMICA ET BIOPHYSICA ACTA-GENERAL SUBJECTS
卷 1850, 期 12, 页码 2563-2572出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.bbagen.2015.09.015
关键词
S100 proteins; Epidermal differentiation complex (EDC); Epidermis; Keratinocyte; Melanocytes; Langerhans cells
资金
- National Center for Science [2012/05/B/NZ2/02944]
- statutory funds of the Nencki Institute of Experimental Biology
- European Social Fund
Background: S100 proteins are small calcium binding proteins encoded by genes located in the epidermal differentiation complex (EDC). Differently to other proteins encoded by EDC genes, which are indispensable for normal epidermal differentiation, the role of 5100 proteins in the epidermis remains largely unknown. Scope of review: Particular 5100 proteins differ in their distribution in epidermal layers, skin appendages, melanocytes and Langerhans cells. Taking into account that each epidermal component consists of specialized cells with well-defined functions, such differential distribution may be indicative of the function of a given 5100 protein. We used this criterion together with the survey of the current experimental data pertinent to epidermis to provide a fairly comprehensive view on the possible function of individual 5100 proteins in this tissue. Major conclusions: 5100 proteins are differently expressed and, despite extensive structural homology, perform diverse functions in the epidermis. Certain S100 proteins probably ensure constant epidermal renewal and support wound healing while others act in epidermal differentiation or have a protective role. As their expression is differently affected in various skin pathologies, particular S100 proteins could be valuable diagnostic markers. General significance: S100 proteins seem to be important although not yet fully recognized epidermal constituents. Better understanding of their role in the epidermis might be helpful in designing therapies to various skin diseases. (C) 2015 Elsevier B.V. All rights reserved.
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