Research Topics
| Li ChenSummaryAffiliation: Virginia Polytechnic Institute and State University Country: USA Publications
| Collaborators
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Detail Information
Publications
Knowledge-guided multi-scale independent component analysis for biomarker identificationLi Chen
Department of Electrical and Computer Engineering, Virginia Polytechnic Institute and State University, Arlington, VA, USA
BMC Bioinformatics 9:416. 2008..In this paper, we develop a novel strategy, namely knowledge-guided multi-scale independent component analysis (ICA), to first infer regulatory signals and then identify biologically relevant biomarkers from microarray data...
Biomarker identification by knowledge-driven multilevel ICA and motif analysisLi Chen
Department of Electrical and Computer Engineering, Virginia Polytechnic Institute and State University, Arlington, VA 22203, USA
Int J Data Min Bioinform 3:365-81. 2009....
Identification of condition-specific regulatory modules through multi-level motif and mRNA expression analysisLi Chen
Department of Electrical and Computer Engineering, Virginia Polytechnic Institute and State University, Arlington, VA 22203, USA
Int J Comput Biol Drug Des 2:1-20. 2009..The study on a breast cancer microarray data set shows that it can successfully identify the significant and reliable regulatory modules associated with breast cancer...
Motif-guided sparse decomposition of gene expression data for regulatory module identificationTing Gong
Bradley Department of Electrical and Computer Engineering, Virginia Tech, Arlington, VA 22203, USA
BMC Bioinformatics 12:82. 2011..However, traditional gene clustering often yields unsatisfactory results for regulatory module identification because the resulting gene clusters are co-expressed but not necessarily co-regulated...
Multilevel support vector regression analysis to identify condition-specific regulatory networksLi Chen
Department of Electrical and Computer Engineering, Virginia Polytechnic Institute and State University, Arlington, VA 22203, USA
Bioinformatics 26:1416-22. 2010..New strategies are needed for reliable regulatory module identification...
Tissue-specific compartmental analysis for dynamic contrast-enhanced MR imaging of complex tumorsLi Chen
Bradley Department of Electrical and Computer Engineering, Virginia Polytechnic Institute and State University, Arlington, VA 22203, USA
IEEE Trans Med Imaging 30:2044-58. 2011..This method combines the advantages of multivariate clustering, convex geometry analysis, and compartmental modeling approaches. The open-source MATLAB software of CAM-CM is publicly available from the Web...
Identifying cancer biomarkers by network-constrained support vector machinesLi Chen
Department of Electrical and Computer Engineering, Virginia Polytechnic Institute and State University, Arlington, VA, USA
BMC Syst Biol 5:161. 2011..Nonetheless, the variables in multivariable classifiers should synergistically interact to produce more effective classifiers than individual biomarkers...
Motif-directed network component analysis for regulatory network inferenceChen Wang
Department of Electrical and Computer Engineering, Virginia Polytechnic Institute and State University, Arlington, VA, USA
BMC Bioinformatics 9:S21. 2008..We propose a new approach, motif-directed NCA (mNCA), to integrate motif information and gene expression data to infer regulatory networks...
Identifying protein interaction subnetworks by a bagging Markov random field-based methodLi Chen
Department of Electrical and Computer Engineering, Virginia Polytechnic Institute and State University, Arlington, VA 22203, USA
Nucleic Acids Res 41:e42. 2013....
Robust identification of transcriptional regulatory networks using a Gibbs sampler on outlier sum statisticJinghua Gu
Bradley Department of Electrical and Computer Engineering, Virginia Tech, Arlington, VA 22203, USA
Bioinformatics 28:1990-7. 2012..More robust methods that can counteract the imperfection of data sources are therefore needed for reliable identification of TRNs in this context...
Defining NOTCH3 target genes in ovarian cancerXu Chen
Department of Pathology, Johns Hopkins Medical Institutions, Baltimore, Maryland 21231, USA
Cancer Res 72:2294-303. 2012..Our findings define direct target genes of NOTCH3 and highlight the role of DLGAP5 in mediating the function of NOTCH3...
CAM-CM: a signal deconvolution tool for in vivo dynamic contrast-enhanced imaging of complex tissuesLi Chen
Bradley Department of Electrical and Computer Engineering, Virginia Tech, Arlington, VA 22203, USA
Bioinformatics 27:2607-9. 2011..CAM-CM can dissect complex tissues into regions with differential tracer kinetics at pixel-wise resolution and provide a systems biology tool for defining imaging signatures predictive of phenotypes...
Comparative analysis of methods for detecting interacting lociLi Chen
Bradley Department of Electrical and Computer Engineering, Virginia Polytechnic Institute and State University, Arlington, VA, USA
BMC Genomics 12:344. 2011..Given the importance of detecting gene-gene and gene-environment interactions, a rigorous, comprehensive comparison of performance and limitations of available interaction detection methods is warranted...
