Analysis of the proinflammatory property of epidermal cyst contents: chemotactic C5a anaphylatoxin generation
- PMID: 2786384
- DOI: 10.1007/BF00424269
Analysis of the proinflammatory property of epidermal cyst contents: chemotactic C5a anaphylatoxin generation
Abstract
We investigated in vitro the contents of epidermal cysts for complement activation and found that they activated complement mainly through the alternative pathway. Chemotactic C5a anaphylatoxin produced by the cyst contents after contact with serum most likely plays a significant role in the initiation and aggravation of inflammation in ruptured epidermal cysts. Our additional study disclosed that components of three representative follicular resident microorganisms (Pityrosporum ovale, Propionibacterium acnes, and Staphylococcus epidermidis) also produced C5a anaphylatoxin mainly through the alternative pathway; the C5a production was more vigorous than that by a virulent pathogen, Staphylococcus aureus. These results suggest that accidental colonization of the cyst contents by these follicular microbial flora further augments the inflammatory changes in ruptured epidermal cysts.
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