Journal
EMBO MOLECULAR MEDICINE
Volume 14, Issue 2, Pages -Publisher
WILEY
DOI: 10.15252/emmm.202114713
Keywords
biomarker discovery; intracranial aneurysm; mass spectrometry; serum proteome profiling
Categories
Funding
- National Key R&D Program of China [2020YFE0202200, 2021YFA1301601, 2017YFA0505100]
- Ministry of Science and Technology of China [2016YFC0901003]
- National Natural Science Foundation of China [31800691, 21874026, 82001261]
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This study aimed to discover specific, sensitive, and non-invasive biomarkers for the diagnosis and classification of ruptured and unruptured intracranial aneurysm (IA), to benefit the development of treatment strategies. By using a deep learning-based method, a total of 113 potential markers were identified, and two sets of biomarker combinations were built for accurate classification.
The prevalence of intracranial aneurysm (IA) is increasing, and the consequences of its rupture are severe. This study aimed to reveal specific, sensitive, and non-invasive biomarkers for diagnosis and classification of ruptured and unruptured IA, to benefit the development of novel treatment strategies and therapeutics altering the course of the disease. We first assembled an extensive candidate biomarker bank of IA, comprising up to 717 proteins, based on altered proteins discovered in the current tissue and serum proteomic analysis, as well as from previous studies. Mass spectrometry assays for hundreds of biomarkers were efficiently designed using our proposed deep learning-based method, termed DeepPRM. A total of 113 potential markers were further quantitated in serum cohort I (n = 212) & II (n = 32). Combined with a machine-learning-based pipeline, we built two sets of biomarker combinations (P6 & P8) to accurately distinguish IA from healthy controls (accuracy: 87.50%) or classify IA rupture patients (accuracy: 91.67%) upon evaluation in the external validation set (n = 32). This extensive circulating biomarker development study provides valuable knowledge about IA biomarkers.
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