When our bodies face pathogens like bacteria and viruses, immune cells release cytokines to coordinate defense mechanisms. These molecules signal other immune cells to respond appropriately. The secretion of cytokines varies among individuals due to environmental and genetic factors. Saint-André et al. examined data from the Milieu Intérieur project, focusing on immune system variability in 1,000 healthy individuals.
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by Yang Luo at www.nature.com 02-14-2024
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