ArticleEuropean archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery1994
Isolation and characterization of trypsin-like and chymotrypsin-like proteinases from human cholesteatoma.
Article in European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery, 1994. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Abstract
The mast-cell-specific proteolytic enzymes tryptase and chymase were identified in and isolated from cholesteatoma in a ratio similar to that found in human skin. We assume that this ratio reflects a similar distribution of tryptase-containing and tryptase/chymase-containing mast cells in both these tissues. It seems conceivable that mechanisms able to trigger excessive and/or continuous mast cell degranulation in the middle ear might be causative for the formation of cholesteatoma either directly or via primed chronic inflammatory reactions. By their ability to amplify degranulation of mast cells, mast cell proteinases, in particular chymase, may contribute to the chain of events leading to the formation of cholesteatoma.
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