Article (Scientific journals)
Nociceptor spontaneous activity is responsible for fragmenting non-rapid eye movement sleep in mouse models of neuropathic pain.
Alexandre, Chloe; Miracca, Giulia; Holanda, Victor Duarte et al.
2024In Science Translational Medicine, 16 (743), p. 3036
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Keywords :
Humans; Rats; Mice; Animals; Eye Movements; Hyperalgesia/complications; Rats, Sprague-Dawley; Sleep; Disease Models, Animal; Nociceptors; Neuralgia; General Medicine
Abstract :
[en] Spontaneous pain, a major complaint of patients with neuropathic pain, has eluded study because there is no reliable marker in either preclinical models or clinical studies. Here, we performed a comprehensive electroencephalogram/electromyogram analysis of sleep in several mouse models of chronic pain: neuropathic (spared nerve injury and chronic constriction injury), inflammatory (Freund's complete adjuvant and carrageenan, plantar incision) and chemical pain (capsaicin). We find that peripheral axonal injury drives fragmentation of sleep by increasing brief arousals from non-rapid eye movement sleep (NREMS) without changing total sleep amount. In contrast to neuropathic pain, inflammatory or chemical pain did not increase brief arousals. NREMS fragmentation was reduced by the analgesics gabapentin and carbamazepine, and it resolved when pain sensitivity returned to normal in a transient neuropathic pain model (sciatic nerve crush). Genetic silencing of peripheral sensory neurons or ablation of CGRP+ neurons in the parabrachial nucleus prevented sleep fragmentation, whereas pharmacological blockade of skin sensory fibers was ineffective, indicating that the neural activity driving the arousals originates ectopically in primary nociceptor neurons and is relayed through the lateral parabrachial nucleus. These findings identify NREMS fragmentation by brief arousals as an effective proxy to measure spontaneous neuropathic pain in mice.
Disciplines :
Anatomy (cytology, histology, embryology...) & physiology
Author, co-author :
Alexandre, Chloe ;  Department of Neurosurgery, Neurosurgery Pain Research Institute, Johns Hopkins School of Medicine, Baltimore, MD 21205, USA ; Department of Neuroscience, Johns Hopkins School of Medicine, Baltimore, MD 21205, USA
Miracca, Giulia;  Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02115, USA ; FM Kirby Neurobiology Center, Boston Children's Hospital and Department of Neurobiology, Harvard Medical School, Boston, MA 02115, USA
Holanda, Victor Duarte ;  Department of Neurosurgery, Neurosurgery Pain Research Institute, Johns Hopkins School of Medicine, Baltimore, MD 21205, USA ; Department of Neuroscience, Johns Hopkins School of Medicine, Baltimore, MD 21205, USA
Sharma, Ashley;  Department of Neurosurgery, Neurosurgery Pain Research Institute, Johns Hopkins School of Medicine, Baltimore, MD 21205, USA ; Department of Neuroscience, Johns Hopkins School of Medicine, Baltimore, MD 21205, USA
Kourbanova, Kamila;  Department of Neurosurgery, Neurosurgery Pain Research Institute, Johns Hopkins School of Medicine, Baltimore, MD 21205, USA ; Department of Neuroscience, Johns Hopkins School of Medicine, Baltimore, MD 21205, USA
Ferreira, Ashley ;  Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02115, USA ; FM Kirby Neurobiology Center, Boston Children's Hospital and Department of Neurobiology, Harvard Medical School, Boston, MA 02115, USA
Bicca, Maíra A;  Department of Neurosurgery, Neurosurgery Pain Research Institute, Johns Hopkins School of Medicine, Baltimore, MD 21205, USA ; Department of Neuroscience, Johns Hopkins School of Medicine, Baltimore, MD 21205, USA
Zeng, Xiangsunze;  FM Kirby Neurobiology Center, Boston Children's Hospital and Department of Neurobiology, Harvard Medical School, Boston, MA 02115, USA
Nassar, Victoria A;  Department of Neurosurgery, Neurosurgery Pain Research Institute, Johns Hopkins School of Medicine, Baltimore, MD 21205, USA ; Department of Neuroscience, Johns Hopkins School of Medicine, Baltimore, MD 21205, USA
Lee, Seungkyu ;  FM Kirby Neurobiology Center, Boston Children's Hospital and Department of Neurobiology, Harvard Medical School, Boston, MA 02115, USA
Kaur, Satvinder ;  Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02115, USA
Sarma, Sridevi V;  Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD 21205, USA
Sacré, Pierre  ;  Université de Liège - ULiège > Département d'électricité, électronique et informatique (Institut Montefiore) > Robotique intelligente
Scammell, Thomas E ;  Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02115, USA
Woolf, Clifford J ;  FM Kirby Neurobiology Center, Boston Children's Hospital and Department of Neurobiology, Harvard Medical School, Boston, MA 02115, USA
Latremoliere, Alban ;  Department of Neurosurgery, Neurosurgery Pain Research Institute, Johns Hopkins School of Medicine, Baltimore, MD 21205, USA ; Department of Neuroscience, Johns Hopkins School of Medicine, Baltimore, MD 21205, USA
More authors (6 more) Less
Language :
English
Title :
Nociceptor spontaneous activity is responsible for fragmenting non-rapid eye movement sleep in mouse models of neuropathic pain.
Publication date :
17 April 2024
Journal title :
Science Translational Medicine
ISSN :
1946-6234
eISSN :
1946-6242
Publisher :
American Association for the Advancement of Science (AAAS), United States
Volume :
16
Issue :
743
Pages :
eadg3036
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 20 April 2024

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