Extracellular matrix protein on endothelial cell

Extracellular matrix proteins on endothelial cells refer collectively to a diverse group of structural and signaling molecules forming the specialized extracellular environment that surrounds endothelial cells, particularly in blood vessels. Key proteins include collagen type IV, laminin, nidogen (entactin), and heparan sulfate proteoglycans (perlecan, agrin), which are major components of the vascular basement membrane. These proteins provide structural support, regulate vessel permeability, guide cell adhesion and migration, and modulate cell signaling critical for angiogenesis, vessel stability, and tissue homeostasis. The compositions and modifications of these proteins influence biological processes such as the formation of the blood-brain barrier, regulation of inflammatory responses, and tissue repair. Disruption or dysfunction in endothelial ECM composition is associated with multiple disease states, but as a group, these proteins are not considered a single drug target. Rather, individual ECM components or their cell-surface receptors (such as integrins) may be considered for targeted therapies[1][3][4][2][5]. Note: The designation "Extracellular matrix proteins on endothelial cells" is not a specific target but rather describes a heterogeneous family of molecules. Thus, the entry should be considered incorrect in the context of seeking a single, druggable, canonical target. Individual ECM components—e.g., collagen type IV, laminin 511, perlecan—can each be considered separately for more precise targeting information[1][3][4].

Other names

Endothelial extracellular matrix proteinsEndothelial ECM proteinsVascular basement membrane proteins