A handy assay for collagenase using reconstituted fluorescein-labeled collagen fibrils |
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Authors: | Antonio Baici Gabriel Cohen Kurt Fehr Albert Böni |
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Affiliation: | Department of Rheumatology, University Hospital, Gloriastrasse 25, CH-8091 Zurich, Switzerland |
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Abstract: | This report describes an assay for measuring the activity of collagenases using reconstituted fibrils of fluorescein-labeled soluble collagen as substrate. The labeling of commercially available material is easy and not expensive. The assay is very sensitive, reproducible, and is linear with collagenase concentration up to 100% consumption of the reconstituted fibrils. Readings of collagenolytic activity can be determined directly by measuring the fluorescence of the released labeled peptides without further processing of the data. |
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