期刊
JOURNAL OF INFLAMMATION RESEARCH
卷 14, 期 -, 页码 495-503出版社
DOVE MEDICAL PRESS LTD
DOI: 10.2147/JIR.S297930
关键词
major depressive disorder; suicidal ideation; biomarkers
类别
资金
- Natural Science Foundation Project of China [81901398, 81701360]
- Natural Science Foundation of Chongqing, China [cstc2019jcyj-msxmX0025]
- Chongqing Yuzhong District Science & Technology Commission [20190115]
This study identified four potential biomarkers, including AAT, TRSF, HDLC, and APOA1, for diagnosing MDD patients with suicidal ideation. Levels of AAT and APOA1 significantly improved after treatment, with the biomarker panel showing excellent diagnostic performance.
Background: Major depressive disorder (MDD) and suicide are two major health problems, but there are still no objective methods to diagnose MDD or suicidal ideation (SI). This study was conducted to identify potential biomarkers for diagnosing MDD patients with SI. Methods: First-episode drug-naive MDD patients with SI and demographics-matched healthy controls (HCs) were recruited. First-episode drug-naive MDD patients without SI were also included. The serum lipids, C-reactive protein (CRP), transferring (TRSF), homocysteine (HCY) and alpha 1-antitrypsin (AAT) in serum were detected. The univariate and multivariate statistical analyses were used to identify and validate the potential biomarkers. Results: The 86 HCs, 53 MDD patients with SI and 20 MDD patients without SI were included in this study. Four potential biomarkers were identified: AAT, TRSF, high-density lipoprotein cholesterol (HDLC), and apolipoprotein A1 (APOA1). After one month treatment, the levels of AAT and APOA1 were significantly improved. The panel consisting of these potential biomarkers had an excellent diagnostic performance, yielding an area under the ROC curve (AUC) of 0.994 and 0.990 in the training and testing set, respectively. Moreover, this panel could effectively distinguish MDD patients with SI from MDD patients without SI (AUC=0.928). Conclusion: These results showed that these potential biomarkers could facilitate the development of an objective method for diagnosing MDD patients with SI, and the decreased AAT levels in MDD patients might lead to the appearance of SI by resulting in the elevated inflammation.
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