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هفتمین همایش بیو انفورماتیک ایران
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| عنوان فارسی |
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| چکیده فارسی مقاله |
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| کلیدواژه‌های فارسی مقاله |
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| عنوان انگلیسی |
Stratification of breast cancer subtypes using somatic mutation and none negative matrix factorization |
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| چکیده انگلیسی مقاله |
Breast cancer is the second leading cause of cancer death of women worldwide. It is a heterogenous disease with multiple subtypes which have different causes and clinical outcomes. Stratification of tumors is one of the major tasks in cancer genomics for a better understanding of the tumor heterogeneity and better targeted treatments. Somatic mutation data provides a rich new source of data for identifying these subtypes. In this work we use somatic mutation data and none negative matrix factorization to uncovering breast cancer subtypes. Also we use Jaccard distance to generate a new profile. The major benefit of using Jaccard distance is that it reduces the genetic heterogeneity and sparsity. We verified the accuracy of the proposed method by showing meaningful associations between the resulting subtypes and clinical features. Results showed that our method can identify clinically meaningful tumor subtypes. it has high predictive power for some clinical features includes histological type, ER status, PR status and tumor stage. |
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| کلیدواژه‌های انگلیسی مقاله |
somatic mutation, tumor stratification, NMF |
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| نویسندگان مقاله |
Mohsen Falahat - science and technology, University of Tehran, Tehran
Javad Hassanpour - Department of Information and Communication Technology, Malek Ashtar University Of Technology, Tehran
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| نشانی اینترنتی |
www.icb7.ir |
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| زبان مقاله منتشر شده |
en |
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