Peer-Reviewed Publication
Sleep Med2026;148109268.September 15, 2026Journal Article

Candidate biomarkers in narcolepsy in H1N1-vaccinated cohorts: A proteomic and transcriptomic study.

Muataz S Lafta1, Aleksandr V Sokolov1, Mattis Kitok2, Shala G Berntsson2, Valter Niemelä2, Anne Huutoniemi3, Markku Partinen3, Helgi B Schiöth1, Anne-Marie Landtblom4
1Department of Surgical Sciences, Functional Pharmacology and Neuroscience, Uppsala University, Uppsala, Sweden.
2Department of Medical Sciences, Neurology, Uppsala University, Uppsala, Sweden.
3Helsinki Sleep Clinic, Vital Research Centre, and Department of Neurology, University of Helsinki, Finland.
4Department of Medical Sciences, Neurology, Uppsala University, Uppsala, Sweden; Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden. Electronic address: anne-marie.landtblom@neuro.uu.se.

Abstract

Narcolepsy is a rare neurological disorder caused by the loss of function in neurons producing orexin or hypocretins, disrupting the sleep-wake cycle. In Sweden and Finland approximately 800 patients developed narcolepsy after swine flu (H1N1) vaccination between 2009 and 2010, probably as an autoimmune side effect. The vaccinated cohorts are of great scientific interest owing to their specific ex…

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