Table 1.

IL-6 concentration in serum

GroupMean IL-6 concn (pg/ml) ± SD in:
Noninfected teethInfected teeth
Wild type2.3 ± 0.521.0 ± 0.1
IL-6−/− NDa 0.0
Wild type + anti-IL-6 antibodyND1.0 ± 0.1
  • a ND, not done.