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Discovering Cerebral Ischemic Stroke Associated Genes Based on Network Representation Learning

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机构: [1]Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, China [2]Department of Clinical Laboratory, General Hospital of Heilongjiang Province Land Reclamation Bureau, Harbin, China [3]Affiliated Zhejiang Hospital, Zhejiang University School of Medicine, Hangzhou, China [4]Department of Automation, College of Information Science and Engineering, Tianjin Tianshi College, Tianjin, China [5]Department of Neurology, Tianjin Nankai Hospital, Tianjin, China, [6]Department of Neurology, Baoding No. 1 Central Hospital, Baoding, China [7]Graduate School of Chengde Medical College, Chengde, China
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关键词: cerebral ischemic stroke network embedding disease gene prediction PPI network network representation learning

摘要:
Cerebral ischemic stroke (IS) is a complex disease caused by multiple factors including vascular risk factors, genetic factors, and environment factors, which accentuates the difficulty in discovering corresponding disease-related genes. Identifying the genes associated with IS is critical for understanding the biological mechanism of IS, which would be significantly beneficial to the diagnosis and clinical treatment of cerebral IS. However, existing methods to predict IS-related genes are mainly based on the hypothesis of guilt-by-association (GBA). These methods cannot capture the global structure information of the whole protein-protein interaction (PPI) network. Inspired by the success of network representation learning (NRL) in the field of network analysis, we apply NRL to the discovery of disease-related genes and launch the framework to identify the disease-related genes of cerebral IS. The utilized framework contains three main parts: capturing the topological information of the PPI network with NRL, denoising the gene feature with the participation of a stacked autoencoder (SAE), and optimizing a support vector machine (SVM) classifier to identify IS-related genes. Superior to the existing methods on IS-related gene prediction, our framework presents more accurate results. The case study also shows that the proposed method can identify IS-related genes.</p>

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出版当年[2020]版:
大类 | 3 区 生物
小类 | 3 区 遗传学
最新[2023]版:
大类 | 3 区 生物学
小类 | 3 区 遗传学
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出版当年[2019]版:
Q2 GENETICS & HEREDITY
最新[2023]版:
Q2 GENETICS & HEREDITY

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第一作者机构: [1]Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, China
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