Identification of potential plasma protein biomarkers for bipolar II disorder: a preliminary/exploratory study
Abstract The diagnostic peripheral biomarkers are still lacking for the bipolar II disorder (BD-II). We used isobaric tags for relative and absolute quantification technology to identify five upregulated candidate proteins [matrix metallopeptidase 9 (MMP9), phenylalanyl-tRNA synthetase subunit beta...
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2021
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oai:doaj.org-article:17e692e372d64869b3e7a9995acecbec2021-12-02T15:38:11ZIdentification of potential plasma protein biomarkers for bipolar II disorder: a preliminary/exploratory study10.1038/s41598-021-88450-x2045-2322https://doaj.org/article/17e692e372d64869b3e7a9995acecbec2021-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-88450-xhttps://doaj.org/toc/2045-2322Abstract The diagnostic peripheral biomarkers are still lacking for the bipolar II disorder (BD-II). We used isobaric tags for relative and absolute quantification technology to identify five upregulated candidate proteins [matrix metallopeptidase 9 (MMP9), phenylalanyl-tRNA synthetase subunit beta (FARSB), peroxiredoxin 2 (PRDX2), carbonic anhydrase 1 (CA-1), and proprotein convertase subtilisin/kexin type 9 (PCSK9)] for the diagnosis of BD-II. We analysed the differences in the plasma levels of these candidate proteins between BD-II patients and controls (BD-II, n = 185; Controls, n = 186) using ELISA. To establish a diagnostic model for the prediction of BD-II, the participants were divided randomly into a training group (BD-II, n = 149; Controls, n = 150) and a testing group (BD-II, n = 36; Controls, n = 36). Significant increases were found in all five protein levels between BD-II and controls in the training group. Logistic regression was analysed to form the composite probability score of the five proteins in the training group. Receiver-operating characteristic curve analysis revealed the diagnostic validity of the probability score [area under curve (AUC) = 0.89, P < 0.001]. The composite probability score of the testing group also showed good diagnostic validity (AUC = 0.86, P < 0.001). We propose that plasma levels of PRDX2, CA-1, FARSB, MMP9, and PCSK9 may be associated with BD-II as potential biomarkers.Sheng-Yu LeeTzu-Yun WangRu-Band LuLiang-Jen WangSung-Chou LiChi-Ying TuCheng-Ho ChangYung-Chih ChiangKuo-Wang TsaiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021) |
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Medicine R Science Q Sheng-Yu Lee Tzu-Yun Wang Ru-Band Lu Liang-Jen Wang Sung-Chou Li Chi-Ying Tu Cheng-Ho Chang Yung-Chih Chiang Kuo-Wang Tsai Identification of potential plasma protein biomarkers for bipolar II disorder: a preliminary/exploratory study |
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Abstract The diagnostic peripheral biomarkers are still lacking for the bipolar II disorder (BD-II). We used isobaric tags for relative and absolute quantification technology to identify five upregulated candidate proteins [matrix metallopeptidase 9 (MMP9), phenylalanyl-tRNA synthetase subunit beta (FARSB), peroxiredoxin 2 (PRDX2), carbonic anhydrase 1 (CA-1), and proprotein convertase subtilisin/kexin type 9 (PCSK9)] for the diagnosis of BD-II. We analysed the differences in the plasma levels of these candidate proteins between BD-II patients and controls (BD-II, n = 185; Controls, n = 186) using ELISA. To establish a diagnostic model for the prediction of BD-II, the participants were divided randomly into a training group (BD-II, n = 149; Controls, n = 150) and a testing group (BD-II, n = 36; Controls, n = 36). Significant increases were found in all five protein levels between BD-II and controls in the training group. Logistic regression was analysed to form the composite probability score of the five proteins in the training group. Receiver-operating characteristic curve analysis revealed the diagnostic validity of the probability score [area under curve (AUC) = 0.89, P < 0.001]. The composite probability score of the testing group also showed good diagnostic validity (AUC = 0.86, P < 0.001). We propose that plasma levels of PRDX2, CA-1, FARSB, MMP9, and PCSK9 may be associated with BD-II as potential biomarkers. |
format |
article |
author |
Sheng-Yu Lee Tzu-Yun Wang Ru-Band Lu Liang-Jen Wang Sung-Chou Li Chi-Ying Tu Cheng-Ho Chang Yung-Chih Chiang Kuo-Wang Tsai |
author_facet |
Sheng-Yu Lee Tzu-Yun Wang Ru-Band Lu Liang-Jen Wang Sung-Chou Li Chi-Ying Tu Cheng-Ho Chang Yung-Chih Chiang Kuo-Wang Tsai |
author_sort |
Sheng-Yu Lee |
title |
Identification of potential plasma protein biomarkers for bipolar II disorder: a preliminary/exploratory study |
title_short |
Identification of potential plasma protein biomarkers for bipolar II disorder: a preliminary/exploratory study |
title_full |
Identification of potential plasma protein biomarkers for bipolar II disorder: a preliminary/exploratory study |
title_fullStr |
Identification of potential plasma protein biomarkers for bipolar II disorder: a preliminary/exploratory study |
title_full_unstemmed |
Identification of potential plasma protein biomarkers for bipolar II disorder: a preliminary/exploratory study |
title_sort |
identification of potential plasma protein biomarkers for bipolar ii disorder: a preliminary/exploratory study |
publisher |
Nature Portfolio |
publishDate |
2021 |
url |
https://doaj.org/article/17e692e372d64869b3e7a9995acecbec |
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