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Identifying network biomarkers of cancer by sample-specific differential network.


ABSTRACT: Abundant datasets generated from various big science projects on diseases have presented great challenges and opportunities, which contributed to unfolding the complexity of diseases. The discovery of disease-associated molecular networks for each individual plays an important role in personalized therapy and precision treatment of cancer-based on the reference networks. However, there are no effective ways to distinguish the consistency of different reference networks. In this study, we developed a statistical method, i.e. a sample-specific differential network (SSDN), to construct and analyze such networks based on gene expression of a single sample against a reference dataset. We proved that the SSDN is structurally consistent even with different reference datasets if the reference dataset can follow certain conditions. The SSDN also can be used to identify patient-specific disease modules or network biomarkers as well as predict the potential driver genes of a tumor sample.

SUBMITTER: Zhang Y 

PROVIDER: S-EPMC9202129 | biostudies-literature | 2022 Jun

REPOSITORIES: biostudies-literature

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Identifying network biomarkers of cancer by sample-specific differential network.

Zhang Yu Y   Chang Xiao X   Xia Jie J   Huang Yanhong Y   Sun Shaoyan S   Chen Luonan L   Liu Xiaoping X  

BMC bioinformatics 20220615 1


Abundant datasets generated from various big science projects on diseases have presented great challenges and opportunities, which contributed to unfolding the complexity of diseases. The discovery of disease-associated molecular networks for each individual plays an important role in personalized therapy and precision treatment of cancer-based on the reference networks. However, there are no effective ways to distinguish the consistency of different reference networks. In this study, we develop  ...[more]

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