Fig. 4.
Serum haptoglobin is increased in hemopexin knockout mice. Haptoglobin levels were assayed before and 24 or 72 hr after striatal injection of collagenase or artificial CSF. N = 6/condition, *P<0.05, **P<0.01, ***P<0.001 compared with corresponding KO condition, Bonferroni multiple comparisons test.