Recombinant Human P-Selectin (CD62P) protein

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Biological function summary

P-selectin is critical in the recruitment of leukocytes to sites of tissue injury and infection. It facilitates the adhesion of leukocytes to the vascular endothelium by binding to its ligand PSGL-1 on the leukocyte surface. This interaction supports the transition of leukocytes from the circulation to the site of inflammation. P-selectin is also involved in thrombus formation as it contributes to the interactions between platelets leukocytes and endothelium in the vascular wall. It acts as part of a dynamic complex in the regulation of the innate immune response and hemostasis.

Pathways

CD62P plays an important role in both the inflammatory and coagulation pathways. It is an important mediator in the leukocyte adhesion cascade influencing leukocyte tethering and rolling on activated endothelium. The interaction of P-selectin with PSGL-1 initiates the signaling pathways that lead to firm adhesion and extravasation of leukocytes. In the coagulation pathway P-selectin enhances interactions between platelets and leukocytes which support thrombus formation. Its regulation and activity are tightly linked with other proteins such as E-selectin and L-selectin in coordinating vascular and systemic inflammatory responses.