Open AccessInteraction of extracellular vesicles of Bacteroides gingivalis W50 with human polymorphonuclear leucocytes
Author(s) -
Kay Helen M.,
Birss A.J.,
Smalley J.W.
Publication year - 1990
Publication title -
fems microbiology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.899
H-Index - 151
eISSN - 1574-6968
pISSN - 0378-1097
DOI - 10.1111/j.1574-6968.1990.tb03864.x
Subject(s) - chemotaxis , extracellular , cytotoxic t cell , viability assay , bacteroides , neutrophil extracellular traps , chemistry , extracellular vesicles , microbiology and biotechnology , biology , cell , bacteria , biochemistry , in vitro , immunology , inflammation , receptor , genetics
The effects of B. gingivalis W50 extracellular vesicles (ECV) on neutrophil chemotaxis and viability were assessed and compared with those of whole cells and the extracellular non‐dialysable soluble protein (EP) fraction. None of the fractions tested, including soluble fractions derived from cells and ECV by sonication, induced neutrophil chemotaxis. Only ECV and cells inhibited f‐MLP‐stimulated chemotaxis. ECV and cells were cytotoxic towards neutrophils. The cytotoxic response was time dependent. The soluble EP fraction did not influence cell viability.