Amita Segal
Professor and researcher in neurobiology and immunology studying interactions between immune cells and the brain; lead author interviewed about hemocytes that clear lipids from Drosophila brains during sleep.
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Feb 11, 2026 • 25min
These hungry immune cells tidy sleeping flies' brains
Amita Segal, a neurobiology and immunology professor, studies how immune-like haemocytes interact with fly brains. She explains haemocytes moving to the brain surface during sleep. They eat lipids off glia. When clearance fails, flies show lipid buildup, oxidative damage, memory and sleep problems, and shorter lives.
