Endotoxin tolerance induced by lipopolysaccharides derived from Porphyromonas gingivalis and Escherichia coli: alternations in Toll-like receptor 2 and 4 signaling pathway.

Endotoxin tolerance induced by lipopolysaccharides derived from Porphyromonas gingivalis and Escherichia coli: alternations in Toll-like receptor 2 and 4 signaling pathway.