Science China Life Sciences

, Volume 60, Issue 6, pp 647–655 | Cite as

Inhalation of Roman chamomile essential oil attenuates depressive-like behaviors in Wistar Kyoto rats

  • Yingying Kong
  • Ting Wang
  • Rong Wang
  • Yichuan Ma
  • Shanshan Song
  • Juan Liu
  • Weiwei Hu
  • Shengtian LiEmail author
Research Paper


The idea of aromatherapy, using essential oils, has been considered as an alternative antidepressant treatment. In the present study, we investigated the effect of Roman chamomile essential oil inhalation for two weeks on depressive-like behaviors in Wistar-Kyoto (WKY) rats. We found that inhalation of either Roman chamomile or one of its main components α-pinene, attenuated depressive-like behavior in WKY rats in the forced swim test. Using isobaric tags for relative and absolute quantitation analysis (iTRAQ), we found that inhalation of α-pinene increased expression of proteins that are involved in oxidative phosphorylation, such as cytochrome c oxidase subunit 6C-2, cytochrome c oxidase subunit 7A2, ATPase inhibitor in the hippocampus, and cytochrome c oxidase subunit 6C-2, ATP synthase subunit e, Acyl carrier protein, and Cytochrome b-c1 complex subunit 6 in the PFC (prefrontal cortex). In addition, using the quantitative real-time polymerase chain reaction technique, we confirmed an increase of parvalbumin mRNA expression in the hippocampus, which was shown to be upregulated by 2.8-fold in iTRAQ analysis, in α-pinene treated WKY rats. These findings collectively suggest the involvement of mitochondrial functions and parvalbumin-related signaling in the antidepressant effect of α-pinene inhalation.


major depressive disorder aromatherapy parvalbumin α-pinene hippocampus iTRAQ analysis 


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This work was supported by the National Natural Science Foundation of China (31271198, 81121001, 81421061), the Science and Technology Commission of Shanghai Municipality (13DJ1400303, 13DZ2260500), and Shanghai Jiao Tong University (14JCRZ01).


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Copyright information

© Science China Press and Springer-Verlag GmbH Heidelberg 2017

Authors and Affiliations

  • Yingying Kong
    • 1
  • Ting Wang
    • 1
    • 2
  • Rong Wang
    • 1
  • Yichuan Ma
    • 1
  • Shanshan Song
    • 1
  • Juan Liu
    • 1
  • Weiwei Hu
    • 1
  • Shengtian Li
    • 1
    Email author
  1. 1.Key laboratory for the Genetics of Developmental and Neuropsychiatric Disorders (Ministry of Education), Bio-X Institutes, Shanghai Key Laboratory of Psychotic Disorders, Institute of Social Cognitive and Behavioral Sciences, and Brain Science and Technology Research CenterShanghai Jiao Tong UniversityShanghaiChina
  2. 2.Kao (China) Research CenterShanghaiChina

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