Neutrophil and inflammatory cell membrane

Neutrophil and inflammatory cell membranes are the complex lipid bilayers of innate immune cells that serve as the primary interface for sensing and responding to inflammatory stimuli [NCBI: NBK531468]. These membranes are densely populated with functional proteins, including chemotactic receptors, adhesion molecules like integrins, and pattern recognition receptors that initiate the immune response [PubMed: 30103405]. While not a single molecular target, the membrane is a critical site for pharmacological intervention; for instance, glucocorticoids and certain anti-inflammatory drugs act by stabilizing these membranes to prevent the premature release of destructive lysosomal enzymes and reactive oxygen species [StatPearls: NBK541040]. In modern biotechnology, these membranes are also harvested to create biomimetic nanoparticles that can evade the mononuclear phagocyte system and specifically target inflamed tissues or tumors by mimicking the natural homing behavior of neutrophils [Nature Nanotechnology: 10.1038/s41565-017-0005-8]. Dysregulation of membrane-associated processes is a hallmark of various pathologies, including sepsis, rheumatoid arthritis, and acute respiratory distress syndrome [Frontiers in Pharmacology: 10.3389/fphar.2020.00581]. Consequently, modulating the integrity and signaling capacity of these membranes remains a key strategy in managing hyper-inflammatory states [PMC: PMC7465134].

Other names

Leukocyte membranePolymorphonuclear leukocyte membraneInflammatory cell surfaceNeutrophil plasma membrane

Membrane stabilization to prevent degranulation [StatPearls: NBK541040]; competitive binding of adhesion molecules [PubMed: 30103405]; decoy receptor signaling via biomimetic coatings [Nature Nanotechnology: 10.1038/s41565-017-0005-8]; modulation of lipid raft composition [PMC: PMC3134805].