Omega-3 fatty acids on the forced-swimming test

Shih Yi Huang, Hui Ting Yang, Chih Chiang Chiu, Carmine M. Pariante, Kuan Pin Su

研究成果: 雜誌貢獻文章同行評審

79 引文 斯高帕斯(Scopus)

摘要

Objectives: Based on the findings of epidemiological data and recent clinical trials, omega-3 fatty acids seem to have a preventive and therapeutic effect on depression. Method: We examined the effect of omega-3 fatty acids on the forced-swimming test (FST) in two groups of Sprague-Dawley rats after a six-week treatment with two different diets. Behavioral responses were observed and recorded during the 5-min test. The fatty acid composition from the whole brain tissue and the RBC membrane of the rats were analyzed. Results: Comparing to control diet, omega-3 fatty acid diet significantly decreased the immobility time (218 ± 16 vs. 183 ± 19 s, p = 0.001) and increased behaviors of swimming (32 ± 7 vs. 45 ± 9 s, p = 0.012) and climbing (50 ± 10 vs. 73 ± 14 s, p = 0.011) during the FST. The group in omega-3 fatty acid diet had higher levels of docosahexaenoic acid (DHA, 50% increase) and alpha-linolenic acid (ALA, 63% increase) in the brain, and of eicosapentaenoic acid (EPA, 27% increase) in the peripheral RBC membrane. The level of brain DHA is negatively correlated to the immobility time (r = - 0.654, p = 0.006) and is positively correlated to the swimming time (r = 0.69, p = 0.003). Conclusion: The result shows that omega-3 fatty acids have a beneficial effect on preventing the development of depression-like behaviors in rats with the FST.
原文英語
頁(從 - 到)58-63
頁數6
期刊Journal of Psychiatric Research
42
發行號1
DOIs
出版狀態已發佈 - 一月 2008

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Biological Psychiatry
  • Psychology(all)

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