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News08 May 2026

Scientists uncover hidden sex differences in the human immune system

The study maps over a million cells to help explain why women are more prone to autoimmune diseases like lupus.

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This image visualises the activity of over a million individual immune cells. The dots represent cells clustered by similarities in gene expression, and coloured by their specific job in the immune system. Analysing cells at this level of detail allowed the researchers to discover hidden genetic differences between male and female immunity.