“…LPS (Sigma) from Escherichia coli 0111:B4, Mahsp [Recombinant Mouse Hsp60 Protein (Stressgen, Victoria, BC, Canada)], DNA from calf thymus (Sigma) and PC-KLH (Biosearch Technologies, Inc., Novata, CA, USA) were used in this experiment. Recombinant Pghsp, was purified from Escherichia coli transformed with P. gingivalis GroEL 21) . Peroxidase-labeled affinity purified antibodies to mouse IgM (μ) produced in goats were purchased from KPL (Gaithersburg MD, USA).…”