doi: 10.1007/BF01988007.
Endotoxins release histamine by complement activation and potentiate bacteria-induced histamine release
- PMID: 2425571
- DOI: 10.1007/BF01988007
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Endotoxins release histamine by complement activation and potentiate bacteria-induced histamine release
Agents Actions.
1986 Apr.
Abstract
The histamine-releasing capability of bacterial lipopolysaccharides (LPS) was examined in human leukocyte suspensions. LPS alone did not release histamine, but it was found to enhance the histamine release caused by bacteria in basophils from persons sensitized to these bacteria. In the presence of serum, LPS was able to release histamine through complement activation. It is speculated that endotoxins reinforce release of histamine caused by bacteria in persons sensitized to these microorganisms, and a direct mediator release via complement activation might play a role in septic conditions.
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