期刊
JOURNAL OF INFLAMMATION RESEARCH
卷 16, 期 -, 页码 3925-3936出版社
DOVE MEDICAL PRESS LTD
DOI: 10.2147/JIR.S419176
关键词
biomarkers; depression; liquid chromatography-tandem mass spectrometry; inflammation; neuroinflammation; serum proteomics
类别
The discovery of biomarkers reflecting changes in serum protein metabolism can help evaluate the severity of depressive mood. In this study, lower levels of apolipoprotein A-IV and fibronectin were found in individuals with current episodes of depression, suggesting their potential as novel biomarkers for detecting depression.
Purpose: Depressive mood is a major psychiatric symptom that causes serious disturbances in daily life. Unlike physical symptoms, psychiatric symptoms are more difficult to evaluate objectively. Therefore, we aimed to discover biomarkers that reflect changes in serum protein metabolism during a clinical depressive mood.Methods: Serum protein profiling was conducted in participants who were not experiencing a current depressive episode (healthy individuals and patients in remission). Serum proteins were identified and quantified using liquid chromatography-tandem mass spectrometry. Differentially expressed proteins with a p-value <0.05 were selected, and candidate biomarkers were verified using multiple reaction monitoring analysis for absolute quantification.Results: Apolipoprotein A-IV levels were lower in the group with a current episode of depression than in the remission and healthy control groups. Further, fibronectin levels were also lower in the group with a current episode of depression than in the healthy control group but not in the remission group.Conclusion: We found that apolipoprotein A-IV-mediated inflammation is involved in clinical depressive moods, possibly by inducing neurological changes in the brain. Therefore, apolipoprotein A-IV and fibronectin levels may be explored as potentially novel biomarkers for detecting a current episode of depression.
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