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. 1991;229(2):157-63.
doi: 10.1007/BF00170550.

Immunogold fine structural localization of extracellular matrix components in aged human cornea. I. Types I-IV collagen and laminin

G E Marshall  1 , A G Konstas, W R Lee
Affiliations

Immunogold fine structural localization of extracellular matrix components in aged human cornea. I. Types I-IV collagen and laminin

G E Marshall et al. Graefes Arch Clin Exp Ophthalmol. 1991.

Abstract

Using the immunogold technique combined with cryoultramicrotomy and London Resin white (LR white) embedding, we studied the fine structural distribution of types I-IV collagen and laminin in corneal tissue from seven enucleated human eyes (age range, 63-78 years). Type II collagen was not identified in any corneal layer. Type I and type III collagen were distributed in a similar fashion in striated collagen fibrils in Bowman's layer and in the stroma. Type IV collagen was located only in the posterior non-banded region of Descemet's membrane. Laminin was identified in subepithelial anchoring plaques and the sub-endothelial region of Descemet's membrane in accordance with its recognized adhesive function.

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