Different roles of CD31/PECAM1

Platelet endothelial cell adhesion molecule 1 (PECAM1), also known as cluster of differentiation 31 (CD31), is a cell-surface glycoprotein expressed on platelets, monocytes, neutrophils, some types of T-cells and NK (natural killer) cells. It makes up a large portion of the endothelial cell intercel ...

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Osteoprotegerin: The Bone Protector

Osteoprotegerin (OPG) is a secretory glycoprotein that is a family member of the TNF receptor (TNFR) superfamily. Osteoprotegerin protects bone by blocking osteoclastogenesis and increasing bone density. Unlike other TNFRs, osteoprotegerin lacks a transmembrane domain as well as any apparent cell-as ...

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