Research Topics
| Luonan ChenSummaryAffiliation: Osaka Sangyo University Country: Japan Publications
| Collaborators
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Detail Information
Publications
Biomolecular network querying: a promising approach in systems biologyShihua Zhang
BMC Syst Biol 2:5. 2008..In particular, we argue that user-friendly tools for network querying will greatly enhance our ability to study the fundamental properties of biomolecular networks at a system-wide level...
Modeling post-transcriptional regulation activity of small non-coding RNAs in Escherichia coliRui Sheng Wang
School of Information, Renmin University of China, Beijing 100872, PR China
BMC Bioinformatics 10:S6. 2009..On the other hand, with more and more high-throughput biological data becoming available, it is possible and imperative to quantitatively study gene regulation in a systematic and detailed manner...
Detecting disease associated modules and prioritizing active genes based on high throughput dataYu Qing Qiu
Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing 100190, PR China
BMC Bioinformatics 11:26. 2010..In the study of human diseases, rather than to discover disease related genes, identifying disease associated pathways and modules becomes an essential problem in the field of systems biology...
Analysis on multi-domain cooperation for predicting protein-protein interactionsRui Sheng Wang
School of Information, Renmin University of China, Beijing 100872, China
BMC Bioinformatics 8:391. 2007..Revealing multi-domain cooperation can provide deep insights into the essential mechanism of protein-protein interactions at the domain level and be further exploited to improve the accuracy of protein interaction prediction...
Gene function prediction using labeled and unlabeled dataXing Ming Zhao
ERATO Aihara Complexity Modelling Project, JST, 4 6 1 Komaba, Meguro, Tokyo, Japan
BMC Bioinformatics 9:57. 2008..Furthermore, the classifier may be degraded by the false negatives in the heuristically generated negative samples...
Predicting gene ontology functions from protein's regional surface structuresZhi Ping Liu
Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing 100080, China
BMC Bioinformatics 8:475. 2007..For example, CASTp provides identification and measurements of surface accessible pockets as well as interior inaccessible cavities...
Revealing divergent evolution, identifying circular permutations and detecting active-sites by protein structure comparisonLuonan Chen
Institute of Systems Biology, Shanghai University, Shanghai 200444, China
BMC Struct Biol 6:18. 2006....
FGsub: Fusarium graminearum protein subcellular localizations predicted from primary structuresChenglei Sun
Institute of Systems Biology, Shanghai University, Shanghai, China
BMC Syst Biol 4:S12. 2010..graminearum proteins available now. Computational approaches provide an alternative way to predicting F. graminearum protein subcellular localizations due to the expensive and time-consuming biological experiments in lab...
A discriminative approach for identifying domain-domain interactions from protein-protein interactionsXing Ming Zhao
Institute of Systems Biology, Shanghai University, Shanghai 200444, China
Proteins 78:1243-53. 2010..The PPI data sets used for prediction of DDIs and prediction results can be found at http://csb.shu.edu.cn/dipd...
Inferring gene regulatory networks from gene expression data by path consistency algorithm based on conditional mutual informationXiujun Zhang
Institute of Systems Biology, Shanghai University, Shanghai 200444, China
Bioinformatics 28:98-104. 2012..In particular, many properties of GRNs, such as topology sparseness and non-linear dependence, are generally in regulation mechanism but seldom are taken into account simultaneously in one computational method...
A parsimonious tree-grow method for haplotype inferenceZhenping Li
Beijing Materials Institute, Beijing 101149, China
Bioinformatics 21:3475-81. 2005..aporc.org/bioinfo/ptg/ CONTACT: SUPPLEMENTARY INFORMATION: Supporting materials is available from http://zhangroup.aporc.org/bioinfo/ptg/bti572supplementary.pdf..
Protein structure alignment by deterministic annealingLuonan Chen
Department of Electrical Engineering and Electronics, Osaka Sangyo University, Osaka 574 8530, Japan
Bioinformatics 21:51-62. 2005..A number of benchmark examples are tested by the proposed method with comparisons to several existing approaches...
Noise-induced cooperative behavior in a multicell systemLuonan Chen
Department of Electrical Engineering and Electronics, Osaka Sangyo University, Daito, Osaka 574 8530, Japan
Bioinformatics 21:2722-9. 2005..These results establish not only a theoretical foundation but also a quantitative basis for understanding essential roles of noises on cooperative dynamics, such as synchronization and communication among cells...
Comparison of protein structures by multi-objective optimizationLuonan Chen
Department of Electrical Engineering and Electronics, Osaka Sangyo University, Daito, Osaka 574 8530, Japan
Genome Inform 16:114-24. 2005..The number of variables in our algorithm increases with the number of atoms of protein pairs in almost a linear manner. The software is available upon request, or from http://zhangroup.aporc.org/bioinfo/samo/...
Inferring protein interactions from experimental data by association probabilistic methodLuonan Chen
Osaka Sangyo University, Osaka, Japan
Proteins 62:833-7. 2006..Software is available from the authors upon request...
A systems biology approach to identify effective cocktail drugsZikai Wu
Institute of Systems Biology, Shanghai University, Shanghai, China
BMC Syst Biol 4:S7. 2010..However, most of existing combination drugs are developed based on clinical experience or test-and-trial strategy, which are not only time consuming but also expensive...
Periodic oscillation in delayed gene networks with SUM regulatory logic and small perturbationsYi Wang
Shanghai University College of Science, Shanghai University, Shanghai, China
Math Biosci 220:34-44. 2009....
Protein function prediction with the shortest path in functional linkage graph and boostingXing Ming Zhao
Institute of Systems Biology, Shanghai University, Shanghai 200444, China
Int J Bioinform Res Appl 4:375-84. 2008..In addition, the boosting algorithm is employed to further improve the prediction accuracy. The experiments on yeast genes show promising results and prove the efficiency of the proposed methods...
DIPOS: database of interacting proteins in Oryza sativaAchyut Sapkota
Institute of Systems Biology, Shanghai University, Shanghai 200444, China
Mol Biosyst 7:2615-21. 2011..Biological explanations of pathways and interactions are also provided based on the database. Public access to the DIPOS is available at and ...
Neural fate decisions mediated by trans-activation and cis-inhibition in Notch signalingRuiqi Wang
Institute of Systems Biology, Shanghai University, Shanghai 200444, China
Bioinformatics 27:3158-65. 2011..The model presented here might be a good candidate for providing the first qualitative mechanism of neural fate decisions mediated by both trans-activation and cis-inhibition...
Identifying responsive functional modules from protein-protein interaction networkZikai Wu
Institute of Systems Biology, Shanghai University, Shanghai 200444, China
Mol Cells 27:271-7. 2009..Then from computational aspect, we discuss remaining obstacles and perspectives for this attractive and challenging topic in the area of systems biology...
Automatic modeling of signaling pathways by network flow modelXing Ming Zhao
Institute of Systems Biology, Shanghai University, Shanghai 200444, China
J Bioinform Comput Biol 7:309-22. 2009..The numerical results on two known yeast MAPK signaling pathways demonstrate the efficiency and effectiveness of the proposed method...
Protein classification with imbalanced dataXing Ming Zhao
ERATO Aihara Complexity Modelling Project, JST, Tokyo 151 0064, Japan
Proteins 70:1125-32. 2008..The Matlab code and supplementary materials are available at http://eserver2.sat.iis.u-tokyo.ac.jp/ approximately xmzhao/proteins.html...
Inferring transcriptional interactions and regulator activities from experimental dataRui Sheng Wang
Department of Electronics, Information and Communication Engineering, Osaka Sangyo University, Osaka 574 8530, Japan
Mol Cells 24:307-15. 2007....
Bridging protein local structures and protein functionsZhi Ping Liu
Academy of Mathematics and Systems Science, Chinese Academy of Sciences, 100080, Beijing, China
Amino Acids 35:627-50. 2008..We also discuss remaining problems and possible directions for this exciting and challenging area...
Analysis of protein surface patterns by pocket similarity networkZhi Ping Liu
Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing 100080, China
Protein Pept Lett 15:448-55. 2008....
Intercellular communications induced by random fluctuationsTianshou Zhou
Tsinghua University, Beijing 100084, China
Genome Inform 15:223-33. 2004..A multi-cell system with a synthetic gene network with both noises and delays is adopted to demonstrate the effect of noises on cellular communication...
Impulsive control of stochastic systems with applications in chaos control, chaos synchronization, and neural networksChunguang Li
Centre for Nonlinear and Complex Systems, School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu 610054, People s Republic of China
Chaos 18:023132. 2008..Several numerical examples are also presented to verify the theoretical results...
Controlling the onset of Hopf bifurcation in the Hodgkin-Huxley modelYong Xie
MOE Key Laboratory for Strength and Vibration, School of Aerospace, Xi an Jiaotong University, Xi an 710049, People s Republic of China
Phys Rev E Stat Nonlin Soft Matter Phys 77:061921. 2008....
Synchronization of coupled nonidentical genetic oscillatorsChunguang Li
ERATO Aihara Complexity Modelling Project, JST, Room M204, Komaba Open Laboratory, University of Tokyo, 4 6 1 Komaba, Meguro ku, Tokyo 153 8505, Japan
Phys Biol 3:37-44. 2006..To demonstrate the effectiveness of our theoretical results, a population of genetic oscillators based on the Goodwin model are adopted as numerical examples...
Aligning multiple protein structures by deterministic annealingTianshou Zhou
School of Mathematics and Computational Sciences, Zhongshan University, Guangzhou 510275, China
J Bioinform Comput Biol 3:837-60. 2005..The proposed method is robust with respect to choice of iteration parameters for a wide range of proteins, and performs well in both multiple and pairwise structure alignment cases, compared with existing alignment methods...
Supervised classification of protein structures based on convex hull representationYong Wang
Academy of Mathematics and Systems Science, CAS, Beijing 100080, China
Int J Bioinform Res Appl 3:123-44. 2007..The CATH scheme is highlighted in the classification experiments. The results indicate that the proposed supervised classification scheme is effective and efficient...
Design and implementation of probability-based scoring function for peptide mass fingerprinting protein identificationZhao Song
Comput. Sci. Dept, Missouri Univ, Columbia, MO 65211-2060, USA
Conf Proc IEEE Eng Med Biol Soc 1:4556-9. 2006..Our new scoring function is assessed better than existing ones by comparing the computational results using experimental PMF data. A standalone version of "ProteinDecision" is freely available upon request...
Unique optimal foldings of proteins on a triangular latticeZhenping Li
Beijing Materials Institute, Beijing, China
Appl Bioinformatics 4:105-16. 2005....
Molecular communication through stochastic synchronization induced by extracellular fluctuationsTianshou Zhou
School of Mathematics and Computational Sciences, Zhongshan University, Guangzhou 510275, China
Phys Rev Lett 95:178103. 2005..On the other hand, extracellular noises that are common to all cells can induce collective dynamics and stochastically synchronize the multicellular system by actively enhancing the integrated interchange of signaling molecules...
Inferring gene regulatory networks from multiple microarray datasetsYong Wang
Department of Electrical Engineering and Electronics, Osaka Sangyo University, Osaka 574-8530, Japan
Bioinformatics 22:2413-20. 2006..AVAILABILITY: The software is available from http://zhangorup.aporc.org/bioinfo/grninfer/, http://digbio.missouri.edu/grninfer/ and http://intelligent.eic.osaka-sandai.ac.jp or upon request from the authors...
Exploring protein's optimal HP configurations by self-organizing mappingXiang Sun Zhang
Institute of Applied Mathematics, Academy of Mathematics and Systems Science, CAS, Beijing 100080, China
J Bioinform Comput Biol 3:385-400. 2005..Several HP benchmark examples with up to 36 amino acids are tested to verify the effectiveness of the proposed approach in this paper...
Discrimination of outer membrane proteins by a new measure of information discrepancyZikai Wu
Department of Applied Mathematics, Dalian University of Technology, Dalian 116024, China
Protein Pept Lett 14:37-44. 2007..Furthermore, this method is able to correctly exclude alpha-helical membrane proteins at an accuracy of 100%...
Stochastic synchronization of genetic oscillator networksChunguang Li
Centre for Nonlinear and Complex Systems, School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu 610054, PR China
BMC Syst Biol 1:6. 2007..From the synthetic biology viewpoint, it is also important to implement biological systems that minimizing the negative influence of the perturbations...
Alignment of molecular networks by integer quadratic programmingLi Zhenping
Beijing Wuzi University, Beijing 101149, China
Bioinformatics 23:1631-9. 2007..However, most of the conventional approaches either restrict comparative analysis to special structures, such as pathways, or adopt heuristic algorithms due to computational burden...
A Markov chain model for haplotype assembly from SNP fragmentsRui Sheng Wang
Faculty of Engineering, Osaka Sangyo University, Osaka 574 8530, Japan
Genome Inform 17:162-71. 2006..Experiment results on several data sets illustrate the effectiveness of the new method...
Alignment of protein interaction networks by integer quadratic programmingZhenping Li
Beijing Wuzi University, Beijing, China
Conf Proc IEEE Eng Med Biol Soc 1:5527-30. 2006..From the viewpoint of graph theory, the proposed method can identify similar subsets between two graphs, which allow gaps for nodes and edges...
Inferring transcriptional regulatory networks from high-throughput dataRui Sheng Wang
School of Information, Renmin University of China, Beijing 100872, China
Bioinformatics 23:3056-64. 2007..The extensive results illustrate the effectiveness of the proposed method for predicting transcription regulatory relationships between TFs with co-regulators and target genes...
Design of genetic switches with only positive feedback loopsTetsuya Kobayashi
The University of Tokyo, Tokyo, Japan
Proc IEEE Comput Soc Bioinform Conf 1:151-62. 2002..Finally, we demonstrate our theoretical results by designing a biologically plausible synthesized genetic switch with experimentally well investigated lacI, tetR, and cI genes...
Discovering functions and revealing mechanisms at molecular level from biological networksShihua Zhang
Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing, China
Proteomics 7:2856-69. 2007....
Modeling genetic switches with positive feedback loopsTetsuya Kobayashi
Department of Complexity Science and Engineering, Graduate School of Frontier Sciences, The University of Tokyo, Hongo 7 3 1, Bunkyo ku, Tokyo 113 8656, Japan
J Theor Biol 221:379-99. 2003..Finally, to demonstrate our theoretical results, we show biologically plausible examples by designing a synthetic genetic switch with experimentally well investigated lacI, tetR, and cI genes for numerical simulation...
Construction of genetic oscillators with interlocked feedback networksRuiqi Wang
Aihara Complexity Modelling Project, ERATO, JST, Komaba Open Laboratory, The University of Tokyo, 4 6 1 Komaba, Meguro, Tokyo 153 8505, Japan
J Theor Biol 242:454-63. 2006..The method can be directly applied to design, construct genetic oscillators, and further control their dynamics, even for large-scale networks...
Development and assessment of scoring functions for protein identification using PMF dataZhao Song
Computer Science Department and Christopher S Bond Life Sciences Center, University of Missouri Columbia, Columbia, MO 65211 2060, USA
Electrophoresis 28:864-70. 2007..Our software is freely available upon request. The scoring functions can be easily incorporated into other proteomics software packages...
Dynamics of gene regulatory networks with cell division cycleLuonan Chen
Department of Electrical Engineering and Electronics, Osaka Sangyo University, 3-1-1 Nakagaito, Daito, Osaka 574-8530, Japan
Phys Rev E Stat Nonlin Soft Matter Phys 70:011909. 2004..We show that the cell cycle may play a significant role in gene regulation due to the nonlinear dynamics of a gene regulatory network although gene expressions are usually tightly controlled by transcriptional factors...
Synchronizing genetic oscillators by signaling moleculesRuiqi Wang
Department of Electrical Engineering and Electronics, Osaka Sangyo University, Osaka, Japan
J Biol Rhythms 20:257-69. 2005..These results establish not only a theoretical foundation but also a quantitative basis for understanding the essential cooperative dynamics, such as collective rhythms or synchronization, in a population of cells...
Transient resetting: a novel mechanism for synchrony and its biological examplesChunguang Li
ERATO Aihara Complexity Modelling Project, Komaba Open Laboratory, University of Tokyo, Tokyo, Japan
PLoS Comput Biol 2:e103. 2006..Examples of the synchronization of neural and circadian oscillators as well as a chaotic neuron model are presented to verify our hypothesis...
Synchronizing a multicellular system by external input: an artificial control strategyRuiqi Wang
Aihara Complexity Modelling Project, ERATO, JST, 4-6-1 Komaba, Meguro, Tokyo 153-8505, Japan
Bioinformatics 22:1775-81. 2006..availability: contact: ...
Protein domain annotation with integration of heterogeneous information sourcesXing Ming Zhao
ERATO Aihara Complexity Modelling Project, JST, Tokyo 151 0064, Japan
Proteins 72:461-73. 2008..We show that the integration of heterogeneous information sources improves not only prediction accuracy but also annotation reliability when compared with the methods using only individual information sources...
Modelling periodic oscillation in gene regulatory networks by cyclic feedback systemsRuiqi Wang
Osaka Sangyo University, Nakagaito 3-1-1, Daito, Osaka 574-8530, Japan
Bull Math Biol 67:339-67. 2005..Since there is less restriction on the network structure, the results of this paper can be expected to apply to a wide variety of areas on modelling, analyzing and designing of biological systems...
Uncovering signal transduction networks from high-throughput data by integer linear programmingXing Ming Zhao
ERATO Aihara Complexity Modelling Project, JST, Tokyo 151 0064, Japan
Nucleic Acids Res 36:e48. 2008..In addition, the proposed model is simple to be interpreted and easy to be implemented even for a large-scale system...
Protein function prediction with high-throughput dataXing Ming Zhao
ERATO Aihara Complexity Modelling Project, JST, Tokyo, 151 0064, Japan
Amino Acids 35:517-30. 2008..In addition to describing recently developed theoretical methodologies, we also cover representative databases and software tools that are widely utilized in the prediction of protein function...
Protein domain annotation with predicted domain-domain interaction networksXing Ming Zhao
ERATO Aihara Complexity Modelling Project, JST, Tokyo 151 0064, Japan
Protein Pept Lett 15:456-62. 2008..Specially, domain annotation is formalized as a multi-class classification problem in this work. The numerical experiments on InterPro domains show promising results, which proves the efficiency of our proposed methods...
