Plasma cytokines, endotoxins, and circulating plasma proteins

Plasma cytokines, endotoxins, and circulating plasma proteins represent a heterogeneous group of blood-borne molecules that serve as critical mediators of the systemic immune response and physiological homeostasis. Cytokines, including interleukins and tumor necrosis factors, are small signaling proteins that coordinate cellular responses to infection and injury (Source: Dinarello, C. A., Blood, 2011). Endotoxins, primarily lipopolysaccharides (LPS) derived from the outer membrane of Gram-negative bacteria, are potent pro-inflammatory triggers that can induce life-threatening conditions such as septic shock (Source: Opal, S. M., et al., Journal of Infectious Diseases, 2010). Circulating plasma proteins encompass a wide range of molecules, including acute-phase reactants like C-reactive protein and transport proteins like albumin, which are often dysregulated during systemic illness. Therapeutic intervention targeting these mediators is a cornerstone of treating inflammatory and infectious diseases, utilizing either targeted biologics to neutralize specific cytokines or extracorporeal blood purification devices to broadly reduce the circulating peak of inflammatory markers (Source: Monard, C., et al., Critical Care, 2023). These approaches aim to restore immunological balance and prevent organ dysfunction in critically ill patients.

Other names

Circulating inflammatory mediatorsPlasma inflammatory markersBlood-borne mediatorsHumoral mediators of inflammation

Mechanisms include the direct neutralization of circulating ligands by monoclonal antibodies, competitive inhibition of cell-surface receptors, or the physical removal of these substances from the blood via extracorporeal adsorption and filtration (Source: Ronco, C., et al., Nature Reviews Nephrology, 2017).