Host cell and extracellular matrix proteins

Host cell and extracellular matrix proteins represent a broad therapeutic target category encompassing the structural and functional molecules that constitute the cellular microenvironment and the host cell surface (TTD, 2024). This group includes essential structural components such as collagen, elastin, and laminin, as well as adhesive glycoproteins like fibronectin and various cell surface receptors (PubMed, 2021). These proteins are critical for maintaining tissue architecture, facilitating cell signaling, and providing the primary attachment sites for various pathogens, including viruses and bacteria (NCBI, 2023). In drug development, this category is targeted to prevent pathogen entry, treat fibrotic conditions by modulating matrix turnover, and improve drug delivery through the degradation of physical barriers (StatPearls, 2023). Common pharmacological agents include polyanionic compounds that act as decoys for viral attachment and enzymes like collagenase or hyaluronidase that modify the extracellular matrix (PubChem, 2024). Because these proteins are ubiquitous and vital for normal physiological function, therapeutic strategies must carefully balance efficacy with the risk of disrupting tissue integrity or causing systemic side effects (PubMed, 2022).

Other names

Host cell proteinsExtracellular matrix proteinsECM proteinsHost factorsCell surface and matrix proteinsAdhesion proteins

Inhibition of pathogen adhesion, degradation of extracellular matrix components, blocking of host cell surface receptors, and modulation of growth factor binding.