The pentapeptide NKISK affects collagen fibril interactions in a vertebrate tissue.
basic_science · Level V
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Abstract
The pentapeptide NKISK has been reported to inhibit the binding of decorin, a proteoglycan on the surface of collagen fibrils, to fibronectin, a tissue adhesion molecule. Because of our interest in fibril-fibril binding as it relates to changes in length of ligament or tendon (during growth or contracture), we investigated the potential of this peptide to dissociate fibrils. The peptide permitted the release of intact fibrils into suspension for examination under the electron microscope (which has not previously been possible in mature vertebrate tissues).
Medical subject headings
- Collagen
- Peptide Fragments
- Proteoglycans
Anatomy
- knee