{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,19]],"date-time":"2026-05-19T05:55:04Z","timestamp":1779170104335,"version":"3.51.4"},"reference-count":58,"publisher":"Oxford University Press (OUP)","issue":"17","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2011,9,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Motivation: MicroRNAs have recently emerged as a major class of regulatory molecules involved in a broad range of biological processes and complex diseases. Construction of miRNA-target regulatory networks can provide useful information for the study and diagnosis of complex diseases. Many sequence-based and evolutionary information-based methods have been developed to identify miRNA\u2013mRNA targeting relationships. However, as the amount of available miRNA and gene expression data grows, a more statistical and systematic method combining sequence-based binding predictions and expression-based correlation data becomes necessary for the accurate identification of miRNA\u2013mRNA pairs.<\/jats:p><jats:p>Results: We propose a Lasso regression model for the identification of miRNA\u2013mRNA targeting relationships that combines sequence-based prediction information, miRNA co-regulation, RISC availability and miRNA\/mRNA abundance data. By comparing this modelling approach with two other known methods applied to three different datasets, we found that the Lasso regression model has considerable advantages in both sensitivity and specificity. The regression coefficients in the model can be used to determine the true regulatory efficacies in tissues and was demonstrated using the miRNA target site type data. Finally, by constructing the miRNA regulatory networks in two stages of prostate cancer (PCa), we found the several significant miRNA-hubbed network modules associated with PCa metastasis. In conclusion, the Lasso regression model is a robust and informative tool for constructing the miRNA regulatory networks for diagnosis and treatment of complex diseases.<\/jats:p><jats:p>Availability: The R program for predicting miRNA\u2013mRNA targeting relationships using the Lasso regression model is freely available, along with the described datasets and resulting regulatory network, at http:\/\/biocompute.bmi.ac.cn\/CZlab\/alarmnet\/. The source code is open for modification and application to other miRNA\/mRNA expression datasets.<\/jats:p><jats:p>Contact: \u00a0zhangcg@bmi.ac.cn<\/jats:p><jats:p>Supplementary information: \u00a0Supplementary data are available at Bioinformatics online.<\/jats:p>","DOI":"10.1093\/bioinformatics\/btr410","type":"journal-article","created":{"date-parts":[[2011,7,10]],"date-time":"2011-07-10T00:17:07Z","timestamp":1310257027000},"page":"2406-2413","source":"Crossref","is-referenced-by-count":103,"title":["A Lasso regression model for the construction of microRNA-target regulatory networks"],"prefix":"10.1093","volume":"27","author":[{"given":"Yiming","family":"Lu","sequence":"first","affiliation":[{"name":"1 Beijing Institute of Radiation Medicine, State Key Laboratory of Proteomics, Beijing 100850 and 2LMAM, School of Mathematical Sciences and Center for Theoretical Biology, Peking University, Beijing 100871, PR China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yang","family":"Zhou","sequence":"additional","affiliation":[{"name":"1 Beijing Institute of Radiation Medicine, State Key Laboratory of Proteomics, Beijing 100850 and 2LMAM, School of Mathematical Sciences and Center for Theoretical Biology, Peking University, Beijing 100871, PR China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wubin","family":"Qu","sequence":"additional","affiliation":[{"name":"1 Beijing Institute of Radiation Medicine, State Key Laboratory of Proteomics, Beijing 100850 and 2LMAM, School of Mathematical Sciences and Center for Theoretical Biology, Peking University, Beijing 100871, PR China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Minghua","family":"Deng","sequence":"additional","affiliation":[{"name":"1 Beijing Institute of Radiation Medicine, State Key Laboratory of Proteomics, Beijing 100850 and 2LMAM, School of Mathematical Sciences and Center for Theoretical Biology, Peking University, Beijing 100871, PR China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chenggang","family":"Zhang","sequence":"additional","affiliation":[{"name":"1 Beijing Institute of Radiation Medicine, State Key Laboratory of Proteomics, Beijing 100850 and 2LMAM, School of Mathematical Sciences and Center for Theoretical Biology, Peking University, Beijing 100871, PR China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2011,7,8]]},"reference":[{"key":"2023012511524250000_B1","doi-asserted-by":"crossref","first-page":"363","DOI":"10.1038\/msb.2010.24","article-title":"Target mRNA abundance dilutes microRNA and siRNA activity","volume":"6","author":"Arvey","year":"2010","journal-title":"Mol. 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