論文

査読有り 国際誌
2019年12月10日

Peripheral blood metabolome predicts mood change-related activity in mouse model of bipolar disorder.

Molecular brain
  • Hideo Hagihara
  • ,
  • Tomoyasu Horikawa
  • ,
  • Yasuhiro Irino
  • ,
  • Hironori K Nakamura
  • ,
  • Juzoh Umemori
  • ,
  • Hirotaka Shoji
  • ,
  • Masaru Yoshida
  • ,
  • Yukiyasu Kamitani
  • ,
  • Tsuyoshi Miyakawa

12
1
開始ページ
107
終了ページ
107
記述言語
英語
掲載種別
研究論文(学術雑誌)
DOI
10.1186/s13041-019-0527-3

Bipolar disorder is a major mental illness characterized by severe swings in mood and activity levels which occur with variable amplitude and frequency. Attempts have been made to identify mood states and biological features associated with mood changes to compensate for current clinical diagnosis, which is mainly based on patients' subjective reports. Here, we used infradian (a cycle > 24 h) cyclic locomotor activity in a mouse model useful for the study of bipolar disorder as a proxy for mood changes. We show that metabolome patterns in peripheral blood could retrospectively predict the locomotor activity levels. We longitudinally monitored locomotor activity in the home cage, and subsequently collected peripheral blood and performed metabolomic analyses. We then constructed cross-validated linear regression models based on blood metabolome patterns to predict locomotor activity levels of individual mice. Our analysis revealed a significant correlation between actual and predicted activity levels, indicative of successful predictions. Pathway analysis of metabolites used for successful predictions showed enrichment in mitochondria metabolism-related terms, such as "Warburg effect" and "citric acid cycle." In addition, we found that peripheral blood metabolome patterns predicted expression levels of genes implicated in bipolar disorder in the hippocampus, a brain region responsible for mood regulation, suggesting that the brain-periphery axis is related to mood-change-associated behaviors. Our results may serve as a basis for predicting individual mood states through blood metabolomics in bipolar disorder and other mood disorders and may provide potential insight into systemic metabolic activity in relation to mood changes.

リンク情報
DOI
https://doi.org/10.1186/s13041-019-0527-3
PubMed
https://www.ncbi.nlm.nih.gov/pubmed/31822292
PubMed Central
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6902552
ID情報
  • DOI : 10.1186/s13041-019-0527-3
  • PubMed ID : 31822292
  • PubMed Central 記事ID : PMC6902552

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