Unlock Exclusive Discounts & Flash Sales! Click Here to Join the Deals on Every Wednesday!
Serpin E1, also known as plasminogen activator inhibitor-1 (PAI-1), is a member of a superfamily of serine protease inhibitors, produced primarily by the endothelium (cells lining the endothelium of blood vessels), but also secreted by other types of tissue such as adipose tissue. Serpin E1 is a major inhibitor of urokinase and tissue plasminogen activators (uPA and tPA).