Cited by 83Sleep and Wakefulness ResearchNeuroscience of respiration and sleepRegulation of Appetite and Obesity

Hypocretin as a Hub for Arousal and Motivation

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Tyree, Susan M., Borniger, Jeremy C., de Lecea, Luis·2018·Frontiers in Neurology

Abstract

The lateral hypothalamus is comprised of a heterogeneous mix of neurons that serve to integrate and regulate sleep, feeding, stress, energy balance, reward, and motivated behavior. Within these populations, the hypocretin/orexin neurons are among the most well studied. Here, we provide an overview on how these neurons act as a central hub integrating sensory and physiological information to tune arousal and motivated behavior accordingly. We give special attention to their role in sleep-wake states and conditions of hyper-arousal, as is the case with stress-induced anxiety. We further discuss their roles in feeding, drug-seeking, and sexual behavior, which are all dependent on the motivational state of the animal. We further emphasize the application of powerful techniques, such as optogenetics, chemogenetics, and fiber photometry, to delineate the role these neurons play in lateral hypothalamic functions.

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Crossref · 10.3389/fneur.2018.00413

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  1. [6]Elias CF Saper CB Maratos-Flier E Tritos NA Lee C Kelly J. Chemically defined projections linking the mediobasal hypothalamus and the lateral hypothalamic area. J Comp Neurol. (1998) 402: 442– 59. 10.1002/(SICI)1096-9861(19981228)402:4<442::AID-CNE2>3.0.CO;2-R 9862320 · DOI

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Authors
Tyree, S. M., Borniger, J. C., & de Lecea, L.
Affiliations
Stanford University (US)
Venue
Frontiers in Neurology
Published
2018-06-06
Volume
9
Pages
413-413
ISSN
1664-2295 (ISSN-L)
OpenAlex
W2806993167
Cited by
83
References
236
Citations by year
2026: 5 · 2025: 5 · 2024: 5 · 2023: 9 · 2022: 15 · 2021: 12 · 2020: 19 · 2019: 10 · 2018: 3
FWCI
1.47
Type
journal article
Language
en
Open access
Locations
  • Frontiers in Neurology (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Cold Spring Harbor Laboratory Institutional Repository (Cold Spring Harbor Laboratory) (acceptedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Neurological Foundation of New Zealand
  • Foundation for the National Institutes of Health (F32MH11543, 5R01MH087592, R01MH1026380, 1R01AG047671)
  • Boehringer Ingelheim
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Neuroscience of respiration and sleep
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Regulation of Appetite and Obesity
Keywords
hypocretin/orexin neurons, lateral hypothalamus, arousal, motivation, sleep-wake regulation, hyperarousal, stress-induced anxiety, feeding behavior, drug-seeking behavior, sexual behavior, optogenetics, chemogenetics, fiber photometry

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