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Autoimmune Attack on Brain Cells Identified as Narcolepsy Driver
Key Takeaways
- Autoreactive T cells that destroy orexin-producing hypothalamic neurons have been identified as the driver of narcolepsy
- Loss of 80-95% of orexin neurons destabilizes the sleep-wake boundary, causing involuntary sleep attacks
- The 2009 Pandemrix vaccine narcolepsy cases provided key evidence for an autoimmune mechanism in genetically susceptible people
- Early immunotherapy could potentially halt orexin neuron destruction if narcolepsy is caught at onset
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DT Editorial Team··via medicalxpress.com