{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,3]],"date-time":"2026-10-03T14:38:01Z","timestamp":1791038281395,"version":"4.1.0"},"reference-count":27,"publisher":"Oxford University Press (OUP)","issue":"18","license":[{"start":{"date-parts":[[2016,10,2]],"date-time":"2016-10-02T00:00:00Z","timestamp":1475366400000},"content-version":"vor","delay-in-days":1490,"URL":"http:\/\/creativecommons.org\/licenses\/by\/3.0"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2012,9,15]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>Summary: The great variety of human cell types in morphology and function is due to the diverse gene expression profiles that are governed by the distinctive regulatory networks in different cell types. It is still a challenging task to explain how the regulatory networks achieve the diversity of different cell types. Here, we report on our studies of the design principles of the tissue regulatory system by constructing the regulatory networks of eight human tissues, which subsume the regulatory interactions between transcription factors (TFs), microRNAs (miRNAs) and non-TF target genes. The results show that there are in-\/out-hubs of high in-\/out-degrees in tissue networks. Some hubs (strong hubs) maintain the hub status in all the tissues where they are expressed, whereas others (weak hubs), in spite of their ubiquitous expression, are hubs only in some tissues. The network motifs are mostly feed-forward loops. Some of them having no miRNAs are the common motifs shared by all tissues, whereas the others containing miRNAs are the tissue-specific ones owned by one or several tissues, indicating that the transcriptional regulation is more conserved across tissues than the post-transcriptional regulation. In particular, a common bow-tie framework was found that underlies the motif instances and shows diverse patterns in different tissues. Such bow-tie framework reflects the utilization efficiency of the regulatory system as well as its high variability in different tissues, and could serve as the model to further understand the structural adaptation of the regulatory system to the specific requirements of different cell functions.<\/jats:p>\n               <jats:p>Contact: \u00a0edgar.wingender@bioinf.med.uni-goettingen.de; jwang@nju.edu.cn<\/jats:p>\n               <jats:p>Supplementary information: \u00a0Supplementary data are available at Bioinformatics online.<\/jats:p>","DOI":"10.1093\/bioinformatics\/bts387","type":"journal-article","created":{"date-parts":[[2012,9,7]],"date-time":"2012-09-07T20:35:22Z","timestamp":1347050122000},"page":"i509-i514","source":"Crossref","is-referenced-by-count":25,"title":["The architecture of the gene regulatory networks of different tissues"],"prefix":"10.1093","volume":"28","author":[{"given":"Jie","family":"Li","sequence":"first","affiliation":[{"name":"1 The State Key Laboratory of Pharmaceutical Biotechnology and Jiangsu Engineering Research Center for MicroRNA Biology and Biotechnology"},{"name":"2 Department of Bioinformatics, University Medical Center G\u00f6ttingen, Goldschmidtstrasse 1, D-37077 G\u00f6ttingen, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xu","family":"Hua","sequence":"additional","affiliation":[{"name":"1 The State Key Laboratory of Pharmaceutical Biotechnology and Jiangsu Engineering Research Center for MicroRNA Biology and Biotechnology"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Martin","family":"Haubrock","sequence":"additional","affiliation":[{"name":"2 Department of Bioinformatics, University Medical Center G\u00f6ttingen, Goldschmidtstrasse 1, D-37077 G\u00f6ttingen, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jin","family":"Wang","sequence":"additional","affiliation":[{"name":"1 The State Key Laboratory of Pharmaceutical Biotechnology and Jiangsu Engineering Research Center for MicroRNA Biology and Biotechnology"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Edgar","family":"Wingender","sequence":"additional","affiliation":[{"name":"2 Department of Bioinformatics, University Medical Center G\u00f6ttingen, Goldschmidtstrasse 1, D-37077 G\u00f6ttingen, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2012,9,3]]},"reference":[{"key":"2023012513065271700_B1","doi-asserted-by":"crossref","first-page":"283","DOI":"10.1016\/j.sbi.2004.05.004","article-title":"Structure and evolution of transcriptional regulatory networks","volume":"14","author":"Babu","year":"2004","journal-title":"Curr. 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