Table 2: IL-10-producing capabilities of spleen cells from LPS and/or Ni pre-treated mice.

LPS NiCl2 NiSO4 #Mean ± SD *P <
- - 7.29 ± 0.15 0.01
- + 5.57 ± 0.11
+ - 5.07 ± 0.10 0.06
+ + 5.83 ± 0.12
- - + 6.28 ± 0.34 0.01
- + + 4.92 ± 0.23
+ - + 6.95 ± 0.19 0.17
+ + + 6.73 ± 0.15

#The mean (ng/ml) ± standard deviation (n=5).
*Student’s t-test, NiCl2 innoculated (+) vs. uninnoculated (-).

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