Llama anti-human vWF (48.26)

Anti-human VWF (48.26)
VHH antibody detecting human vWF that is suitable for use in ELISA and flow cytometry studies. This antibody recognizes human VWF in solution. Von Willebrand Factor (VWF) is a multimeric adhesive plasma glycoprotein that is important in the maintenance of hemostasis. It promotes adhesion of platelets to the sites of vessel injury by forming a bridge between subendothelial collagen and the platelet GPIb-IX-V receptor complex. VWF also acts as a chaperone for coagulation factor VIII, by delivering it to the site of injury, stabilizing its heterodimeric structure and protecting it from premature clearance from plasma. Defects in VWF cause von Willebrand disease (VWD), which defines a group of hemorrhagic disorders in which VWF is either quantitatively or qualitatively abnormal, resulting in altered platelet function (i.e. impaired platelet adhesion), deficiency of factor VIII, and a prolonged bleeding time. Symptoms vary depending on severity and type of disease. Type I VWD is the most common form and is characterized by a partial quantitative deficiency of a structurally and functionally normal VWF; type II VWD is caused by a qualitative deficiency and functional abnormalities of VWF; type III VWD is the most severe form and is associated with a total or near-total absence of VWF in plasma and cells, which also causes the profound deficiency of coagulation factor VIII in plasma.