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[Research progress in the modulating effect of high-density lipoprotein on neutrophil function].

For a long period, studies about the modulating effect of high-density lipoprotein (HDL) on inflammatory cells mainly focus on cardiovascular diseases. In recent years, researchers have found the significant role of HDL in many other fields, such as diabetes, metabolic syndrome, chronic kidney disease, systemic inflammatory disease, autoimmune diseases and infectious diseases. Researches have shown that HDL can inhibit the function of activated neutrophil via disturbing the cytokine production, deformation, adhesion, transmigration and pathogen elimination. Clinical trials have discovered that serum HDL level is negatively correlated with neutrophil-to-lymphocyte ratio in healthy males with low HDL level. In addition, serum HDL level is closely associated with disease severity of severe acute pancreatitis. Consequently, understanding the effect and mechanism of the regulation of HDL on neutrophil function plays an important role in remedying the diseases resulted from excessively activated neutrophil.