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. 1999 Sep 14;96(19):10863–10868. doi: 10.1073/pnas.96.19.10863

Figure 1.

Figure 1

Effect of a single injection of IL-8 (0.1 mg/kg) on the induction of circulating gelatinase B (MMP-9). The zymolytic activity migrating at lower molecular mass represents circulating levels of gelatinase A/MMP-2, which is constitutively present in plasma. The zymolytic activity with a higher molecular mass represents circulating levels of gelatinase B/MMP-9 in plasma at various time intervals after IL-8 injection. Activity of gelatinase in serum samples was detected by SDS/PAGE zymography.