0
Article ? AI-assigned paper type based on the abstract. Classification may not be perfect — flag errors using the feedback button. Tier 2 ? Original research — experimental, observational, or case-control study. Direct primary evidence. Sign in to save

Increased bacterial load per neutrophil reduces intracellular killing capacity

Journal of Innate Immunity 2026
Louise V. Duebel, S. Dekker, Suzanne Helena Bongers, Corneli van Aalst, Eva Mulder, Falco Hietbrink, Leo Koenderman, Nienke Vrisekoop

Summary

When infection-fighting white blood cells called neutrophils try to eat too many bacteria at once, they become less effective at killing those germs inside their cells. This happens because the cells can't make their internal environment acidic enough to destroy all the bacteria when they're overloaded. Understanding this could help doctors develop better treatments for serious infections where the body's immune cells get overwhelmed.

Neutrophils ingesting higher bacterial loads exhibit reduced intracellular killing, likely due to decreased phagolysosomal acidification. These findings highlight how bacterial load per neutrophil shapes antimicrobial capacity and early infection control.

Share this paper