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Cited by 341

The DOI matches its Crossref record; 6 of the 6 references it cites were found in a registry or an index.

Orexin peptides prevent cataplexy and improve wakefulness in an orexin neuron-ablated model of narcolepsy in mice

Open access
Mieda, Michihiro, Willie, Jon T., Hara, Junko, Sinton, Christopher M., Sakurai, Takeshi, Yanagisawa, Masashi·2004·Proceedings of the National Academy of Sciences

Abstract

Narcolepsy-cataplexy is a neurological disorder associated with the inability to maintain wakefulness and abnormal intrusions of rapid eye movement sleep-related phenomena into wakefulness such as cataplexy. The vast majority of narcoleptic-cataplectic individuals have low or undetectable levels of orexin (hypocretin) neuropeptides in the cerebrospinal fluid, likely due to specific loss of the hypothalamic orexin-producing neurons. Currently available treatments for narcolepsy are only palliative, symptom-oriented pharmacotherapies. Here, we demonstrate rescue of the narcolepsy-cataplexy phenotype of orexin neuron-ablated mice by genetic and pharmacological means. Ectopic expression of a prepro-orexin transgene in the brain completely prevented cataplectic arrests and other abnormalities of rapid eye movement sleep in the absence of endogenous orexin neurons. Central administration of orexin-A acutely suppressed cataplectic behavioral arrests and increased wakefulness for 3 h. These results indicate that orexin neuron-ablated mice retain the ability to respond to orexin neuropeptides and that a temporally regulated and spatially targeted secretion of orexins is not necessary to prevent narcoleptic symptoms. Orexin receptor agonists would be of potential value for treating human narcolepsy.

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Metadata

Authors
Mieda, M., Willie, J. T., Hara, J., Sinton, C. M., Sakurai, T., & Yanagisawa, M.
Venue
Proceedings of the National Academy of Sciences
Published
2004-03-16
Volume
101
Issue
13
Pages
4649-4654
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W1900979097
Cited by
341
References
6
FWCI
9.76
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Orexin peptides prevent cataplexy and improve wakefulness in an orexin neuron-ablated model of narcolepsy in mice. https://app.cochat.ai/papers/10.1073/pnas.0400590101
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Mieda, M., Willie, J. T., Hara, J., Sinton, C. M., Sakurai, T., & Yanagisawa, M. (2004). Orexin peptides prevent cataplexy and improve wakefulness in an orexin neuron-ablated model of narcolepsy in mice. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.0400590101

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