Multiple cellular receptors and extracellular matrix components

The term Multiple cellular receptors and extracellular matrix components refers to a heterogeneous collection of molecular structures that serve as the site of action for certain broad-spectrum or non-specific therapeutic agents. This category includes various cell surface receptors, such as growth factor receptors and integrins, as well as structural components of the extracellular matrix (ECM) like heparan sulfate proteoglycans, collagen, and fibronectin (Source: DrugBank Online, DB04703; PubMed, PMID: 11133751). Drugs interacting with this group, such as suramin or polyanionic microbicides, often function by coating these surfaces to prevent the attachment of viruses or the binding of signaling molecules like cytokines and growth factors (Source: PubMed, PMID: 1707237). By modulating these interactions, such agents can exert anti-viral, anti-inflammatory, or anti-angiogenic effects. However, because this designation encompasses a wide array of distinct molecules rather than a single protein, it is generally considered a descriptive classification for drugs with complex, pleiotropic mechanisms of action. The inherent lack of specificity in targeting such a broad range of components often presents significant therapeutic challenges and risks of off-target toxicity.

Other names

Cell surface receptors and ECM componentsMulti-target binding sitesPolyanionic binding targetsExtracellular matrix and cell surface proteins

Drugs targeting this collective group typically act through non-specific electrostatic or structural binding to various cell surface proteins and extracellular matrix elements, thereby competitively inhibiting the attachment of pathogens or the binding of endogenous ligands like growth factors to their specific receptors (Source: PubMed, PMID: 1707237; DrugBank, DB04703).