Markers for an In vitro skin substitute

Authors: Larouche, DanielleJean, JessicaBerthod, FrançoisGermain, LuciePouliot, Roxane
Edited by: Maguire, Tim
Novik, Eric
Abstract: The tissue engineering self-assembly approach allows the production of skin substitutes comprising both the dermis and epidermis, using methods promoting the secretion and organization of a dense extracellular matrix by skin cells. In a reconstructed epidermis, all cellular layers of the native tissue are present. An evaluation of the expression and localization of a number of specific protein markers revealed that the self-assembled, tissue-engineered skin substitute shares some common features with normal human skin, such as the expression of Ki-67, keratins 10 and 14, filaggrin, involucrin, transglutaminase, DLK, a3-integrin subunit, laminin-S, and collagens I, II, 1V, and VII. At the ultrastructural level, many differentiation markers can be observed, including desmosomes, as well as an organized basement membrane presenting hemidesmosomes, lamina densa, and lamina lucida. In this chapter, protocols to generate skin substitutes by the self-assembly approach will be presented and the methods including the labeling of the principal skin differentiation markers by immunofluorescence will be examined.
Document Type: Chapitre d'ouvrage
Issue Date: 1 February 2018
Open Access Date: 1 February 2018
Document version: VoR
This document was published in: Methods in bioengineering : alternative technologies to animal testing
Artech House
Collection:Chapitres de livre

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