{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,26]],"date-time":"2026-02-26T20:34:44Z","timestamp":1772138084298,"version":"3.50.1"},"reference-count":48,"publisher":"Oxford University Press (OUP)","issue":"19","license":[{"start":{"date-parts":[[2017,6,5]],"date-time":"2017-06-05T00:00:00Z","timestamp":1496620800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/about_us\/legal\/notices"}],"funder":[{"DOI":"10.13039\/100006545","name":"National Institute on Minority Health and Health Disparities of the National Institutes of Health","doi-asserted-by":"publisher","award":["G12MD007599"],"award-info":[{"award-number":["G12MD007599"]}],"id":[{"id":"10.13039\/100006545","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000001","name":"National Science Foundation","doi-asserted-by":"publisher","award":["CNS-0958379"],"award-info":[{"award-number":["CNS-0958379"]}],"id":[{"id":"10.13039\/100000001","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000001","name":"National Science Foundation","doi-asserted-by":"publisher","award":["CNS-0855217"],"award-info":[{"award-number":["CNS-0855217"]}],"id":[{"id":"10.13039\/100000001","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000001","name":"National Science Foundation","doi-asserted-by":"publisher","award":["ACI-1126113"],"award-info":[{"award-number":["ACI-1126113"]}],"id":[{"id":"10.13039\/100000001","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000001","name":"National Science Foundation","doi-asserted-by":"publisher","award":["DMS-1554804"],"award-info":[{"award-number":["DMS-1554804"]}],"id":[{"id":"10.13039\/100000001","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2017,10,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Motivation<\/jats:title>\n                    <jats:p>A complex disease is usually driven by a number of genes interwoven into networks, rather than a single gene product. Network comparison or differential network analysis has become an important means of revealing the underlying mechanism of pathogenesis and identifying clinical biomarkers for disease classification. Most studies, however, are limited to network correlations that mainly capture the linear relationship among genes, or rely on the assumption of a parametric probability distribution of gene measurements. They are restrictive in real application.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>We propose a new Joint density based non-parametric Differential Interaction Network Analysis and Classification (JDINAC) method to identify differential interaction patterns of network activation between two groups. At the same time, JDINAC uses the network biomarkers to build a classification model. The novelty of JDINAC lies in its potential to capture non-linear relations between molecular interactions using high-dimensional sparse data as well as to adjust confounding factors, without the need of the assumption of a parametric probability distribution of gene measurements. Simulation studies demonstrate that JDINAC provides more accurate differential network estimation and lower classification error than that achieved by other state-of-the-art methods. We apply JDINAC to a Breast Invasive Carcinoma dataset, which includes 114 patients who have both tumor and matched normal samples. The hub genes and differential interaction patterns identified were consistent with existing experimental studies. Furthermore, JDINAC discriminated the tumor and normal sample with high accuracy by virtue of the identified biomarkers. JDINAC provides a general framework for feature selection and classification using high-dimensional sparse omics data.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Availability and implementation<\/jats:title>\n                    <jats:p>R scripts available at https:\/\/github.com\/jijiadong\/JDINAC<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Supplementary information<\/jats:title>\n                    <jats:p>Supplementary data are available at Bioinformatics online.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1093\/bioinformatics\/btx360","type":"journal-article","created":{"date-parts":[[2017,6,1]],"date-time":"2017-06-01T15:11:58Z","timestamp":1496329918000},"page":"3080-3087","source":"Crossref","is-referenced-by-count":24,"title":["JDINAC: joint density-based non-parametric differential interaction network analysis and classification using high-dimensional sparse omics data"],"prefix":"10.1093","volume":"33","author":[{"given":"Jiadong","family":"Ji","sequence":"first","affiliation":[{"name":"Department of Mathematical Statistics, School of Statistics, Shandong University of Finance and Economics, Jinan, China"}]},{"given":"Di","family":"He","sequence":"additional","affiliation":[{"name":"Ph.D. Program in Computer Science, The Graduate Center, The City University of New York, New York, NY, USA"}]},{"given":"Yang","family":"Feng","sequence":"additional","affiliation":[{"name":"Department of Statistics, Columbia University, New York, NY, USA"}]},{"given":"Yong","family":"He","sequence":"additional","affiliation":[{"name":"Department of Mathematical Statistics, School of Statistics, Shandong University of Finance and Economics, Jinan, China"}]},{"given":"Fuzhong","family":"Xue","sequence":"additional","affiliation":[{"name":"Department of Biostatistics, School of Public Health, Shandong University, Jinan, China"}]},{"given":"Lei","family":"Xie","sequence":"additional","affiliation":[{"name":"Ph.D. Program in Computer Science, The Graduate Center, The City University of New York, New York, NY, USA"},{"name":"Department of Computer Science, Hunter College, The City University of New York, NY, USA"}]}],"member":"286","published-online":{"date-parts":[[2017,6,5]]},"reference":[{"key":"2023020301105341300_btx360-B1","doi-asserted-by":"crossref","first-page":"25","DOI":"10.1038\/75556","article-title":"Gene ontology: tool for the unification of biology. 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