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Laboraverum News, 2024-05-01: we have cells that, even after their own death, continue to kill invaders. How?
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The life of neutrophils, the most common white blood cells, is measured in hours. They fight against attackers that invade our body and then die, but they continue to fight after death. In the process of their death, neutrophils can cause their DNA to unwind. The pores of their nuclei open and strands of DNA leave the nuclei. These threads shoot out from dying cells into the extracellular space, bind together and form a three-dimensional net that physically traps microbes. Additionally, the net attracts germs because it has a negative charge. The net itself is toxic, but it also concentrates and immobilizes microbes so that living immune cells can easily find and destroy them.
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