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- Study of 12.4 million immune cells reveals determinants of immune aging
A study of 2,600 individuals found that the ratio of GZMK+ to GZMB+ T cells predicts health outcomes. Genetic and environmental factors drive differences in immune aging between people of the same age.
- Field
- the brain and neuroscience
- What they did
- Scientists analyzed approximately 12.4 million immune cells from the blood of over 2,600 people to create a map of how the human immune system ages.
- Why it matters
- This could help explain why some older adults maintain resilient defense systems while others develop dysfunctional ones that increase the risk of age-related diseases.
#immune aging#gzmk#gzmb#senescence#single-cell analysis
