期刊文献+
共找到10篇文章
< 1 >
每页显示 20 50 100
Proteomic dissection of biological pathways/processes through profiling protein-protein interaction networks 被引量:2
1
作者 CHEN Xian Institutes for Biomedical Sciences, Fudan University, Shanghai 200433, China Department of Biochemistry & Biophysics, School of Medicine, University of North Carolina-Chapel Hill, USA 《Science China Chemistry》 SCIE EI CAS 2010年第4期737-746,共10页
Cellular functions, either under the normal or pathological conditions or under different stresses, are the results of the coordinated action of multiple proteins interacting in macromolecular complexes or assemblies.... Cellular functions, either under the normal or pathological conditions or under different stresses, are the results of the coordinated action of multiple proteins interacting in macromolecular complexes or assemblies. The precise determination of the specific composition of protein complexes, especially using scalable and high-throughput methods, represents a systematic approach toward revealing particular cellular biological functions. In this regard, the direct profiling protein-protein interactions (PPIs) represent an efficient way to dissect functional pathways for revealing novel protein functions. In this review, we illustrate the technological evolution for the large-scale and precise identification of PPIs toward higher physiologically relevant accuracy. These techniques aim at improving the efficiency of complex pull-down, the signal specificity and accuracy in distinguishing specific PPIs, and the accuracy of identifying physiological relevant PPIs. A newly developed streamline proteomic approach for mapping the binary relationship of PPIs in a protein complex is introduced. 展开更多
关键词 CHEN Proteomic dissection of biological pathways/processes through profiling protein-protein interaction networks
原文传递
Action Mechanism of Components from Gardenia jasminoides on Eye Skin Based on Network Pharmacology
2
作者 Lu CHEN Yingbing HE +1 位作者 Quan SHI Xiaolan WANG 《Medicinal Plant》 2024年第4期20-25,共6页
[Objectives]To explore the pharmacological effects of Gardenia jasminoides and its potential benefits on eye skin.[Methods]TCMSP and SymMap databases were used to screen the active components and corresponding targets... [Objectives]To explore the pharmacological effects of Gardenia jasminoides and its potential benefits on eye skin.[Methods]TCMSP and SymMap databases were used to screen the active components and corresponding targets of G.jasminoides.Human eye skin-related targets were screened,and the active component-target network and protein-protein interaction(PPI)network were established.Gene ontology(GO)analysis and Kyoto Encyclopedia of Genes and Genomes(KEGG)pathway analysis were performed.[Results]Twenty-six active compounds were screened out from G.jasminoides,and 277 targets were obtained.From the Gencards database,26652 disease targets were retrieved and 205 related gene targets were screened.The active component-action target network of G.jasminoides constructed by Cytoscape software revealed the potential of G.jasminoides to play a role in multiple biological pathways.In addition,PPI-network analysis,GO function analysis and KEGG pathway enrichment analysis revealed that the active components of G.jasminoides mainly regulate the biological processes such as inflammatory response,oxidative stress and apoptosis,involving MAPK,NF-κB and other important signaling pathways.[Conclusions]This study provides a theoretical basis for the eye skin protection of G.jasminoides and an important clue for future drug development. 展开更多
关键词 Network pharmacology Gardenia jasminoides of Jiangxi Province Effects on eye skin biological signaling pathways
下载PDF
Construction of gene/protein interaction networks and enrichment pathway analysis for paroxysmal nocturnal hemoglobinuria and aplastic anemia
3
作者 Gong-Xi Liu Zheng-Di Sun +2 位作者 Chao Zhou Jun-Yu Wei Jing Zhuang 《Medical Theory and Hypothesis》 2023年第2期19-26,共8页
Background:To develop a protein-protein interaction network of Paroxysmal nocturnal hemoglobinuria(PNH)and Aplastic anemia(AA)based on genetic genes and to predict pathways underlying the molecular complexes in the ne... Background:To develop a protein-protein interaction network of Paroxysmal nocturnal hemoglobinuria(PNH)and Aplastic anemia(AA)based on genetic genes and to predict pathways underlying the molecular complexes in the network.Methods:In this research,the PNH and AA-related genes were screened through Online Mendelian Inheritance in Man(OMIM).The plugins and Cytoscape were used to search literature and build a protein-protein interaction network.Results:The protein-protein interaction network contains two molecular complexes that are five higher than the correlation integral values.The target genes of this study were obtained:CD59,STAT3,TERC,TNF,AKT1,C5AR1,EPO,IL6,IL10 and so on.We also found that many factors regulate biological behaviors:neutrophils,macrophages,vascular endothelial growth factor,immunoglobulin,interleukin,cytokine receptor,interleukin-6 receptor,tumor necrosis factor,and so on.This research provides a bioinformatics foundation for further explaining the mechanism of common development of both.Conclusion:This indicates that the PNH and AA is a complex process regulated by many cellular pathways and multiple genes. 展开更多
关键词 protein interaction networks paroxysmal nocturnal hemoglobinuria Online Mendelian Inheritance in Man database aplastic anemia biological pathways
下载PDF
Network pharmacology-based virtual screening of natural products from Peperomia dindygulensis for the application to treat liver cancer
4
作者 Zhikang Duan Han Zhang +2 位作者 Peng Zhao Zhiyang Yan Xiaoxiao Huang 《Asian Journal of Traditional Medicines》 2019年第6期253-259,共7页
Traditional Chinese medicine plays an increasingly important role in cancer treatment for the property of the complex components and multi-targets.Peperomia dindygulensis,belonging to Piperaceae family,was proved to b... Traditional Chinese medicine plays an increasingly important role in cancer treatment for the property of the complex components and multi-targets.Peperomia dindygulensis,belonging to Piperaceae family,was proved to be effective to the treatment of cancer,but the action mechanism is incomprehensive.In this study,we employed molecular docking and network pharmacology methods to predict the effective compositions,potential target proteins and potential biological pathways.Six compounds were predicted to have potential activity for liver-cancer target proteins.Meanwhile,we analyzed the biological pathways based on compounds-target network,which may be play an important role in liver cancer.This article is presented to explore the active ingredients of P.dindygulensis and provide crucial material for the further research and development of the plant. 展开更多
关键词 Peperomia dindygulensis network pharmacology potential target biological pathway
下载PDF
Preterm Birth,From the Biological Knowledges to the Prevention:An Overview
5
作者 Tosto Valentina Giardina Irene +1 位作者 Tsibizova Valentina Di Renzo Gian Carlo 《Maternal-Fetal Medicine》 2020年第3期162-171,共10页
The time of birth is a critical determinant of perinatal and long-term outcomes,and even trans-generational effects.Preterm birth is still the leading cause of infant mortality and morbidity.Unfortunately,rates of pre... The time of birth is a critical determinant of perinatal and long-term outcomes,and even trans-generational effects.Preterm birth is still the leading cause of infant mortality and morbidity.Unfortunately,rates of preterm birth remain high worldwide.Preterm parturition is a complex syndrome,which can be induced by several factors such as infection,cervical pathology,uterine overdistension,progesterone deficiency,vascular alterations(utero-placental ischemia,decidual hemorrhage),maternal and fetal stress,allograft reaction,allergic phenomena,and probably other several unknown factors.The mechanisms responsible for early labor activation have been partially identified and involve receptors,chemokines,and inflammatory cytokines.It is very useful to understand the cellular and biochemical pathways responsible for preterm labor activation to identify,treat,and prevent negative outcome in a timely manner.Researchers and clinicians play a key role in improving biochemical knowledge on preterm delivery,identifying risk factors,and applying multilevel preventive strategies. 展开更多
关键词 Premature birth biological pathways INFLAMMATION Prevention strategies
原文传递
Global Genomic Arrangement of Bacterial Genes Is Closely Tied with the Total Transcriptional Efficiency 被引量:1
6
作者 Qin Ma Ying Xu 《Genomics, Proteomics & Bioinformatics》 SCIE CAS CSCD 2013年第1期66-71,共6页
The availability of a large number of sequenced bacterial genomes allows researchers not only to derive functional and regulation information about specific organisms but also to study the fundamental properties of th... The availability of a large number of sequenced bacterial genomes allows researchers not only to derive functional and regulation information about specific organisms but also to study the fundamental properties of the organization of a genome. Here we address an important and chal- lenging question regarding the global arrangement of operons in a bacterial genome: why operons in a bacterial genome are arranged in the way they are. We have previously studied this question and found that operons of more frequently activated pathways tend to be more clustered together in a genome. Specifically, we have developed a simple sequential distance-based pseudo energy func- tion and found that the arrangement of operons in a bacterial genome tend to minimize the clus- teredness function (C value) in comparison with artificially-generated alternatives, for a variety of bacterial genomes. Here we extend our previous work, and report a number of new observations: (a) operons of the same pathways tend to group into a few clusters rather than one; and (b) the global arrangement of these operon clusters tend to minimize a new "energy" function (C+ value) that reflects the efficiency of the transcriptional activation of the encoded pathways. These obser- vations provide insights into further study of the genomic organization of genes in bacteria. 展开更多
关键词 Global genoic arrangement Bacterial genome Chromosomal supercoils biological pathways Gene expression
原文传递
Integrated transcriptomic and proteomic study on the different molecular mechanisms of PC12 cell growth on chitosan and collagen/chitosan films 被引量:2
7
作者 Xiaoying Lu Yan Huang +2 位作者 Yayun Qu Yiwen Zhang Zequn Zhang 《Regenerative Biomaterials》 SCIE 2020年第6期553-565,共13页
The purpose of this article is to integrate the transcriptomic analysis and the proteomic profiles and to reveal and compare the different molecular mechanisms of PC12 cell growth on the surface of chitosan films and ... The purpose of this article is to integrate the transcriptomic analysis and the proteomic profiles and to reveal and compare the different molecular mechanisms of PC12 cell growth on the surface of chitosan films and collagen/chitosan films.First,the chitosan films and the collagen/chitosan films were prepared.Subsequently,the cell viability assay was performed;the cell viability of the PC12 cells cultured on the collagen/chitosan films for 24 h was significantly higher than that on the chitosan films.Then,with cDNA microarray,the numbers of differentially expressed genes of PC12 cells on the surface of chitosan and collagen/chitosan films were 13349 and 5165,respectively.Next,the biological pathway analysis indicated that the differentially expressed genes were involved in 40 pathways directly related to cell adhesion and growth.The integrated transcriptomic and our previous proteomic analysis revealed that three biological pathways-extracellular matrix-receptor interaction,focal adhesion and regulation of actin cytoskeleton-were regulated in the processes of protein adsorption,cell adhesion and growth.The adsorbed proteins on the material surfaces further influenced the expression of important downstream genes by regulating the expression of related receptor genes in these three pathways.In comparison,chitosan films had a strong inhibitory effect on PC12 cell adhesion and growth,resulting in the significantly lower cell viability on its surface;on the contrary,collagen/chitosan films were more conducive to promoting PC12 cell adhesion and growth,resulting in higher cell viability. 展开更多
关键词 chitosan film and collagen/chitosan film protein adsorption and cell growth cDNA microarray and proteomics biological pathways
原文传递
Computational Challenges in Deciphering Genomic Structures of Bacteria
8
作者 徐鹰 《Journal of Computer Science & Technology》 SCIE EI CSCD 2010年第1期53-70,共18页
This article addresses how the functionalities of the cellular machinery of a bacterium might have constrained the genomic arrangement of its genes during evolution and how we can study such problems using computation... This article addresses how the functionalities of the cellular machinery of a bacterium might have constrained the genomic arrangement of its genes during evolution and how we can study such problems using computational approaches, taking full advantage of the rapidly increasing pool of the sequenced bacterial genomes, potentially leading to a much improved understanding of why a bacterial genome is organized in the way it is. This article discusses a number of challenging computational problems in elucidating the genomic structures at multiple levels and the information that is encoded through these genomic structures, gearing towards the ultimate understanding of the governing rules of bacterial genome organization. 展开更多
关键词 BIOINFORMATICS microbial genomics genome structure comparative genome analysis biological pathways
原文传递
PMTDS: a computational method based on genetic interaction networks for Precision Medicine Target-Drug Selection in cancer 被引量:1
9
作者 Varshini Vasudevaraja Jamie Renbarger +7 位作者 Ridhhi Girish Shah Garrett Kinnebrew Murray Korc Limei Wang Yang Huo Enze Liu Lang Li Lijun Cheng 《Frontiers of Electrical and Electronic Engineering in China》 CSCD 2017年第4期380-394,共15页
Background: Precision medicine attempts to tailor the right therapy for the right patient. Recent progress in large- scale collection of patents' tumor molecular profiles in The Cancer Genome Atlas (TCGA) provides... Background: Precision medicine attempts to tailor the right therapy for the right patient. Recent progress in large- scale collection of patents' tumor molecular profiles in The Cancer Genome Atlas (TCGA) provides a foundation for systematic discovery of potential drug targets specific to different types of cancer. However, we still lack powerful computational methods to effectively integrate multiple omics data and protein-protein interaction network technology for an optimum target and drug recommendation for an individual patient. Methods: In this study, a computation method, Precision Medicine Target-Drug Selection (PMTDS) based on genetic interaction networks is developed to select the optimum targets and associated drugs for precision medicine style treatment of cancer. The PMTDS system includes three parts: a personalized medicine knowledgebase for each cancer type, a genetic interaction network-based algorithm and a single patient molecular profiles. The knowledgebase integrates cancer drugs, drug-target databases and gene biological pathway networks. The molecular profiles of each tumor consists of DNA copy number alteration, gene mutation, and tumor gene expression variation compared to its adjacent normal tissue. Results: The novel integrated PMTDS system is applied to select candidate target-drug pairs for 178 TCGA pancreatic adenocarcinoma (PDAC) tumors. The experiment results show known drug targets (EGFR, IGF1R, ERBB2, NRII2 and AKR1B1) of PDAC treatment are identified, which provides important evidence of the PMTDS algorithm's accuracy. Other potential targets PTK6, ATF, SYK are, also, recommended for PDAC. Further validation is provided by comparison of selected targets with, both, cell line molecular profiles from the Cancer Cell Line Encyclopedia (CCLE) and drug response data from the Cancer Therapeutics Response Portal (CTRP). Results from experimental analysis of forty six individual pancreatic cancer samples show that drugs selected by PMTDS have more sample-specific efficacy than the current clinical PDAC therapies. Conclusions: A novelty target and drug priority algorithm PMTDS is developed to identify optimum target-drug pairs by integrating the knowledgebase base with a single patient's genomics. The PMTDS system provides an accurate and reliable source for target and off-label drug selection for precision cancer medicine. 展开更多
关键词 precision medicine drug target algorithm pancreatic adenocarcinoma biological pathway CANCER
原文传递
A high-throughput study on endothelial cell adhesion and growth mediated by adsorbed serum protein via signaling pathway PCR array 被引量:1
10
作者 Xiaoying Lü Yayun Qu +6 位作者 Ying Hong Yan Huang Yiwen Zhang Dayun Yang Fudan Zhang Tingfei Xi Deyuan Zhang 《Regenerative Biomaterials》 SCIE 2018年第1期25-34,共10页
The purpose of this paper is to utilize the signaling pathway polymerase chain reaction(PCR)arrays to investigate the activation of two important biological signaling pathways in endothelial cell adhesion and growth m... The purpose of this paper is to utilize the signaling pathway polymerase chain reaction(PCR)arrays to investigate the activation of two important biological signaling pathways in endothelial cell adhesion and growth mediated by adsorbed serum protein on the surface of bare and titanium nitride(TiN)-coated nickel titanium(NiTi)alloys.First,the endothelial cells were cultured on the bare and TiN-coated NiTi alloys and chitosan films as control for 4 h and 24 h,respectively.Then,the total RNA of the cells was collected and the PCR arrays were performed.After that,the differentially expressed genes in the transforming growth factor beta(TGF-b)signaling pathway and the regulation of actin cytoskeleton pathway were screened out;and the further bioinformatics analyses were performed.The results showed that both TGF-b signaling pathway and regulation of actin cytoskeleton pathway were activated in the cells after 4 h and 24 h culturing on the surface of bare and TiN-coated NiTi alloys compared to the chitosan group.The activated TGF-b signaling pathway promoted cell adhesion;the activated regulation of actin cytoskeleton pathway promoted cell adhesion,spreading,growth and motility.In addition,the activation of both pathways was much stronger in the cells cultured for 24 h versus 4 h,which indicated that cell adhesion and growth became more favorable with longer time on the surface of two NiTi alloy materials. 展开更多
关键词 BIOMATERIALS protein adsorption and cell adhesion signaling pathway PCR array biological signaling pathway
原文传递
上一页 1 下一页 到第
使用帮助 返回顶部