An explanation for these details may be a decreased activity of the metalloproteinase having a thrombospondin type 1 motif member 13 (ADAMTS13) found in APS individuals which is likely secondary to anti-ADAMTS13 antibodies. 88 Another explanation for the presence of … Continue reading An explanation for these details may be a decreased activity of the metalloproteinase having a thrombospondin type 1 motif member 13 (ADAMTS13) found in APS individuals which is likely secondary to anti-ADAMTS13 antibodies