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http://purl.uniprot.org/citations/33633437http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
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Purpose

The purpose of this study is to examine the expression of tenascin-C and matrilin-2 in three different disorders, which frequently require corneal transplantation. These pathological conditions include bullous keratopathy (BK), Fuchs' endothelial corneal dystrophy (FECD), and corneal scarring in herpetic keratitis.

Methods

Histological sections of corneal buttons removed during keratoplasty were analyzed in BK (n = 20), FECD (n = 9), herpetic keratitis (n = 12), and cadaveric control (n = 10) groups with light microscopy following chromogenic immunohistochemistry. The sections were evaluated by three investigators, and semiquantitative scoring (0 to 3+) was applied according to standardized methods at 400X magnification. Each layer of the cornea was investigated; moreover, the stroma was subdivided into subepithelial, middle, and pre-Descemet's membrane areas for more detailed analysis.

Results

Excessive epithelial and stromal expression of tenascin-C was identified in all investigated conditions; the results were most pronounced in the pre-Descemet's membrane. Regarding matrilin-2, when examined in BK, there was increased labeling intensity in the epithelium (p<0.001) and stromal layers (p<0.05), and a decrease in the endothelium (p<0.001). In the other investigated conditions, only a low degree of stromal localization (p<0.05) of matrilin-2 was detected.

Conclusions

The expression of tenascin-C and matrilin-2 differs when examined in various corneal pathologies resulting in opacification. Both molecules seem to be involved in regeneration and wound healing of the corneal matrix in these diseases."xsd:string
http://purl.uniprot.org/citations/33633437http://purl.uniprot.org/core/author"Hortobagyi T."xsd:string
http://purl.uniprot.org/citations/33633437http://purl.uniprot.org/core/author"Bencze J."xsd:string
http://purl.uniprot.org/citations/33633437http://purl.uniprot.org/core/author"Hortobagyi T.G."xsd:string
http://purl.uniprot.org/citations/33633437http://purl.uniprot.org/core/author"Modis L. Jr."xsd:string
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http://purl.uniprot.org/citations/33633437http://purl.uniprot.org/core/author"Varkoly G."xsd:string
http://purl.uniprot.org/citations/33633437http://purl.uniprot.org/core/date"2021"xsd:gYear
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http://purl.uniprot.org/citations/33633437http://purl.uniprot.org/core/title"Extracellular matrix changes in corneal opacification vary depending on etiology."xsd:string
http://purl.uniprot.org/citations/33633437http://purl.uniprot.org/core/volume"27"xsd:string
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