Adenosine A2A receptors in the olfactory bulb suppress rapid eye movement sleep in rodents

Yi Qun Wang, Rui Li, Dian Ru Wang, Yoan Cherasse, Ze Zhang, Meng Qi Zhang, Oriana Lavielle, Kristopher Scott McEown, Serge N. Schiffmann, Alban de Kerchove d’Exaerde, Wei Min Qu, Michael Lazarus, Zhi Li Huang

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Rapid eye movement (REM) sleep behavior disorder in humans is often accompanied by a reduced ability to smell and detect odors, and olfactory bulbectomized rats exhibit increased REM sleep, suggesting that the olfactory bulb (OB) is involved in REM-sleep regulation. However, the molecular mechanism of REM-sleep regulation by the OB is unknown. Adenosine promotes sleep and its A2A receptors (A2AR) are expressed in the OB. We hypothesized that A2AR in the OB regulate REM sleep. Bilateral microinjections of the A2AR antagonist SCH58261 into the rat OB increased REM sleep, whereas microinjections of the A2AR agonist CGS21680 decreased REM sleep. Similar to the A2AR antagonist, selective A2AR knockdown by adeno-associated virus carrying short-hairpin RNA for A2AR in the rat OB increased REM sleep. Using chemogenetics on the basis of designer receptors exclusively activated by designer drugs, we demonstrated that the inhibition of A2AR neurons increased REM sleep, whereas the activation of these neurons decreased REM sleep. Moreover, using a conditional anterograde axonal tract-tracing approach, we found that OB A2AR neurons innervate the piriform cortex and olfactory tubercle. These novel findings indicate that adenosine suppresses REM sleep via A2AR in the OB of rodents.

Original languageEnglish
Pages (from-to)1351-1366
Number of pages16
JournalBrain Structure and Function
Volume222
Issue number3
DOIs
Publication statusPublished - 2017 Apr 1
Externally publishedYes

Fingerprint

Adenosine A2A Receptors
Olfactory Bulb
REM Sleep
Rodentia
Sleep
Microinjections
Neurons
Adenosine
Designer Drugs
REM Sleep Behavior Disorder
Dependovirus
Aptitude
Smell
Small Interfering RNA

Keywords

  • AR-Cre mice
  • Chemogenetics
  • REM-sleep behavior disorder
  • Short-hairpin RNA

ASJC Scopus subject areas

  • Anatomy
  • Neuroscience(all)
  • Histology

Cite this

Wang, Y. Q., Li, R., Wang, D. R., Cherasse, Y., Zhang, Z., Zhang, M. Q., ... Huang, Z. L. (2017). Adenosine A2A receptors in the olfactory bulb suppress rapid eye movement sleep in rodents. Brain Structure and Function, 222(3), 1351-1366. https://doi.org/10.1007/s00429-016-1281-2

Adenosine A2A receptors in the olfactory bulb suppress rapid eye movement sleep in rodents. / Wang, Yi Qun; Li, Rui; Wang, Dian Ru; Cherasse, Yoan; Zhang, Ze; Zhang, Meng Qi; Lavielle, Oriana; McEown, Kristopher Scott; Schiffmann, Serge N.; de Kerchove d’Exaerde, Alban; Qu, Wei Min; Lazarus, Michael; Huang, Zhi Li.

In: Brain Structure and Function, Vol. 222, No. 3, 01.04.2017, p. 1351-1366.

Research output: Contribution to journalArticle

Wang, YQ, Li, R, Wang, DR, Cherasse, Y, Zhang, Z, Zhang, MQ, Lavielle, O, McEown, KS, Schiffmann, SN, de Kerchove d’Exaerde, A, Qu, WM, Lazarus, M & Huang, ZL 2017, 'Adenosine A2A receptors in the olfactory bulb suppress rapid eye movement sleep in rodents' Brain Structure and Function, vol. 222, no. 3, pp. 1351-1366. https://doi.org/10.1007/s00429-016-1281-2
Wang, Yi Qun ; Li, Rui ; Wang, Dian Ru ; Cherasse, Yoan ; Zhang, Ze ; Zhang, Meng Qi ; Lavielle, Oriana ; McEown, Kristopher Scott ; Schiffmann, Serge N. ; de Kerchove d’Exaerde, Alban ; Qu, Wei Min ; Lazarus, Michael ; Huang, Zhi Li. / Adenosine A2A receptors in the olfactory bulb suppress rapid eye movement sleep in rodents. In: Brain Structure and Function. 2017 ; Vol. 222, No. 3. pp. 1351-1366.
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