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| Content Provider | MDPI |
|---|---|
| Author | Zhao, Xu Yu, Yue Xu, Wenlong Dong, Lei Wang, Yuan Gao, Bing Li, Guangyu Zhang, Wentao |
| Abstract | Clinically-informative biomarkers of ischemic stroke are needed for rapid diagnosis and timely treatment. In the present study, APOA1 unique peptide (APOA1-UP), a novel peptide biomarker, was identified and quantified by multiple reaction monitoring (MRM) using labeled reference peptide (LRP). Serum samples of 94 patients in the ischemic stroke group and 37 patients in the non-stroke group were analyzed for the levels of total APOA1-UP, low density lipoprotein cholesterol (LDL-C), triglycerides (TG), high-density lipoprotein cholesterol (HDL-C), and total cholesterol (TC). Median ratio of total APOA1-UP/LRP was 2.14 (interquartile range, 0.40) in the non-stroke group and 1.32 (0.44) in the ischemic stroke group (p < 0.0001). The serum level of total APOA1-UP was independently correlated with the presence of ischemic stroke by multivariate logistic regression analysis (p < 0.0001). From the receiver operating characteristic (ROC) curve, the area under the curve (AUC) was 0.9750 and the optimal cutoff value of the serum APOA1-UP level was 1.80, which yielded a sensitivity of 90.63% and a specificity of 97.14%. The diagnostic efficiency of HDL-C was lower, with an AUC of 0.7488. Therefore, the serum level of APOA1-UP is a diagnostic biomarker candidate for ischemic stroke in the early stage. |
| File Size | 906240 |
| File Format | |
| e-ISSN | 14220067 |
| DOI | 10.3390/ijms17040458 |
| Journal | International Journal of Molecular Sciences |
| Issue Number | 4 |
| Volume Number | 17 |
| Language | English |
| Publisher Date | 2016-03-28 |
| Access Restriction | Open |
| Subject Keyword | apolipoprotein A1 unique peptide (APOA1-UP) acute ischemic stroke (AIS) biomarker high-density lipoprotein cholesterol (HDL-C) multiple reaction monitoring (MRM) labeled reference peptide (LRP) |
| Content Type | Text |
| Resource Type | Article |
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