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Biol."],"published-print":{"date-parts":[[2018,2]]},"abstract":"<jats:p>Many major diseases, including various types of cancer, are increasingly threatening human health. However, the mechanisms of the dynamic processes underlying these diseases remain ambiguous. From the holistic perspective of systems science, complex biological networks can reveal biological phenomena. Changes among networks in different states influence the direction of living organisms. The identification of the kernel differential subgraph (KDS) that leads to drastic changes is critical. The existing studies contribute to the identification of a KDS in networks with the same nodes; however, networks in different states involve the disappearance of some nodes or the appearance of some new nodes. In this paper, we propose a new topology-based KDS (TKDS) method to explore the core module from gene regulatory networks with different nodes in this process. For the common nodes, the TKDS method considers the differential value (D-value) of the topological change. For the different nodes, TKDS identifies the most similar gene pairs and computes the D-value. Hence, TKDS discovers the essential KDS, which considers the relationships between the same nodes as well as different nodes. After applying this method to non-small cell lung cancer (NSCLC), we identified 30 genes that are most likely related to NSCLC and extracted the KDSs in both the cancer and normal states. Two significance functional modules were revealed, and gene ontology (GO) analyses and literature mining indicated that the KDSs are essential to the processes in NSCLC. In addition, compared with existing methods, TKDS provides a unique perspective in identifying particular genes and KDSs related to NSCLC. Moreover, TKDS has the potential to predict other critical disease-related genes and modules.<\/jats:p>","DOI":"10.1142\/s0219720017500275","type":"journal-article","created":{"date-parts":[[2017,12,5]],"date-time":"2017-12-05T01:38:36Z","timestamp":1512437916000},"page":"1750027","source":"Crossref","is-referenced-by-count":2,"title":["Kernel differential subgraph reveals dynamic changes in biomolecular networks"],"prefix":"10.1142","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9944-8822","authenticated-orcid":false,"given":"Jiang","family":"Xie","sequence":"first","affiliation":[{"name":"School of Computer Engineering and Science, Shanghai University, 99 Shang Da Road, Shanghai 200444, P. R. China"}]},{"given":"Dongfang","family":"Lu","sequence":"additional","affiliation":[{"name":"School of Computer Engineering and Science, Shanghai University, 99 Shang Da Road, Shanghai 200444, P. R. China"}]},{"given":"Jiaxin","family":"Li","sequence":"additional","affiliation":[{"name":"School of Computer Engineering and Science, Shanghai University, 99 Shang Da Road, Shanghai 200444, P. R. China"}]},{"given":"Jiao","family":"Wang","sequence":"additional","affiliation":[{"name":"Laboratory of Molecular Neural Biology, School of Life Sciences, Shanghai University, 99 Shang Da Road, Shanghai 200444, P. R. China"}]},{"given":"Yong","family":"Zhang","sequence":"additional","affiliation":[{"name":"Pulmonary Department, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai 200032, P. R. China"}]},{"given":"Yanhui","family":"Li","sequence":"additional","affiliation":[{"name":"Pulmonary Department, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai 200032, P. R. 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