A Network-based Machine Learning Approach for Identifying Biomarkers of Breast Cancer Survivability
Identifying biomarkers for better diagnosis or prognosis of breast cancer is in demand but presents many challenges. In this study, we introduced a data-integration approach to identify sub-network biomarkers capable of predicting breast cancer treatment outcomes including disease-free survival, and...
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| Những tác giả chính: | , , , , |
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| Định dạng: | Conference paper |
| Ngôn ngữ: | English |
| Được phát hành: |
ACM
2023
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| Những chủ đề: | |
| Truy cập trực tuyến: | https://scholar.dlu.edu.vn/handle/123456789/2705 |
| Các nhãn: |
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| Thư viện lưu trữ: | Thư viện Trường Đại học Đà Lạt |
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| Tóm tắt: | Identifying biomarkers for better diagnosis or prognosis of breast cancer is in demand but presents many challenges. In this study, we introduced a data-integration approach to identify sub-network biomarkers capable of predicting breast cancer treatment outcomes including disease-free survival, and overall survival at five years and long-term. A gene expression data is used for evaluating the predictive power of sub-networks of genes, while the protein-protein interaction network is to guide the search for the candidate sub-networks. To reduce the search space, we proposed a score to estimate the predictive ability of a set of genes, thus, only the candidates with the high score are evaluated by Support Vector Machine classifier during the search. After the sub-networks with the highest classification performance were selected for all seed genes, they were further analyzed with pathway data and cancer-related genes from literature for their biological meaning. The selected sub-networks yielded highly accurate and contained genes associated with many cancer pathways, including breast cancer. |
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