Figure 4.
Resistance of ADAMTS13 mutants to activated neutrophils. 50 nM WT-, T4L/T8L-, or T4L/T8L(I380G)-ADAMTS13 was incubated with 0 × 103 to 50 × 103 PMA-activated neutrophils, or 500 × 103 neutrophils, as indicated. Reactions took place for 1 hour at 37°C, then samples were removed and separated via SDS-PAGE under reducing conditions. Cleavage was visualized by western blot using an anti-ADAMTS13 metalloprotease domain antibody. Molecular weight references are indicated to the left (kDa). The level of full-length protein (∼180 kDa) is indicated by black arrows.

Resistance of ADAMTS13 mutants to activated neutrophils. 50 nM WT-, T4L/T8L-, or T4L/T8L(I380G)-ADAMTS13 was incubated with 0 × 103 to 50 × 103 PMA-activated neutrophils, or 500 × 103 neutrophils, as indicated. Reactions took place for 1 hour at 37°C, then samples were removed and separated via SDS-PAGE under reducing conditions. Cleavage was visualized by western blot using an anti-ADAMTS13 metalloprotease domain antibody. Molecular weight references are indicated to the left (kDa). The level of full-length protein (∼180 kDa) is indicated by black arrows.

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