Newly identified neutrophil subset is a promising therapeutic target for inflammatorydiseases acsnano
—the double-edged sword of inflammation. Unfortunately, current drugs for inflammatory diseases that target neutrophils suppress all their effects, including their anti-infection and healing functions.
The scientists labeled the subtype that readily endocytosed the nanoparticle as ANP-high, for albumin nanoparticle high. The neutrophils that did not absorb the albumin nanoparticle were labeled as ANP-low. Because the ANP-high neutrophils are also the ones that captured the nanoparticle, the scientists conducted clever experiments using the albumin nanoparticle to deliver drug treatments. They filled the nanoparticle with an anti-inflammatory drug and administered it to mice with sepsis. They found that the mice treated with the drug-loaded nanoparticle had reduced signs of tissue inflammation, but that the neutrophilic host-defense was preserved.
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