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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Autores principales: 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
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Publicado: Nature Portfolio 2021
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spelling 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)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle 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
description 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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