期刊
PROGRESS IN RETINAL AND EYE RESEARCH
卷 28, 期 1, 页码 19-33出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.preteyeres.2008.11.001
关键词
-
资金
- Fondation de L'Avenir [ET5-400, ET8-489]
In the cornea, the epithelium and the underlying stroma are separated by the basement membrane and Bowman's layer. The disruption of these anatomical barriers during wound healing represents a key step which initiates tissue remodeling through the modification of the epithelial-stromal interactions (ESI). Diffusible cytokines are generally viewed as central modulators in the bidirectional communication between these epithelial and stromal compartments and their implication in all stages of the wound healing process has been an active area of research for many years. Our studies which aimed to explore mechanisms of matrix degradation in pathological corneal wound healing have shown that EMMPRIN, a glycoprotein expressed on corneal epithelial cell surface, can induce matrix metalloproteinase (MMP) production and myofibroblasts differentiation after direct interaction with corneal fibroblasts. EMMPRIN appears therefore as a potential mediator of ESI by direct cell-cell contact which represents a new mechanism for dysregulated MMPs' induction observed in corneal ulcerations. These direct epithelial-stromal interactions (direct-ESI) can occur when delayed epithelial healing prevents regeneration of the basement membrane and allows the two cell types to come into close proximity. We propose that prevention of these interactions through inhibition of EMMPRIN may represent a promising therapeutic strategy in the inhibition of MMP induction in ulceration. (c) 2008 Elsevier Ltd. All rights reserved.
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