Abstract:
:Purpose. The aim of the present study was to elucidate the metabolic mechanisms associated with chronic fatigue syndrome (CFS) via an analysis of urine metabolites prior to and following exercise in a rat model. Methods. A rat model of CFS was established using restraint-stress, forced exercise, and crowded and noisy environments over a period of 4 weeks. Behavioral experiments were conducted in order to evaluate the model. Urine metabolites were analyzed via gas chromatography-mass spectrometry (GC-MS) in combination with multivariate statistical analysis before and after exercise. Results. A total of 20 metabolites were detected in CFS rats before and after exercise. Three metabolic pathways (TCA cycle; alanine, aspartate, and glutamate metabolism; steroid hormone biosynthesis) were significantly impacted before and after exercise, while sphingolipid metabolism alone exhibited significant alterations after exercise only. Conclusion. In addition to metabolic disturbances involving some energy substances, alterations in steroid hormone biosynthesis and sphingolipid metabolism were detected in CFS rats. Sphingosine and 21-hydroxypregnenolone may be key biomarkers of CFS, potentially offering evidence in support of immune dysfunction and hypothalamic-pituitary-adrenal (HPA) axis hypoactivity in patients with CFS.
journal_name
Biomed Res Intjournal_title
BioMed research internationalauthors
Shao C,Ren Y,Wang Z,Kang C,Jiang H,Chi Adoi
10.1155/2017/8182020subject
Has Abstractpub_date
2017-01-01 00:00:00pages
8182020eissn
2314-6133issn
2314-6141journal_volume
2017pub_type
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journal_title:BioMed research international
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pub_type: 杂志文章,评审
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journal_title:BioMed research international
pub_type: 杂志文章,评审
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journal_title:BioMed research international
pub_type: 杂志文章
doi:10.1155/2013/193689
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pub_type: 杂志文章
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