while microgram quantities of lps complexed to ldl did not disrupt the integrity of the endothelial monolayer , incubation of raecs with transported lps-ldl at concentrations of 25-100 ng lps.ml-1 resulted in a two- to ninefold increase in the secretion of monocyte chemotactic activity by these cells .
C0014257
endothelial
C0225336
raecs