Research Topics
Genomes and Genes
| AVI MA'AYANSummaryAffiliation: Mount Sinai School of Medicine Country: USA Publications
| Collaborators
|
Detail Information
Publications
Enrichr: interactive and collaborative HTML5 gene list enrichment analysis toolEdward Y Chen
Department of Pharmacology and Systems Therapeutics, Icahn School of Medicine at Mount Sinai, One Gustave L, Levy Place, Box 1215, New York, NY, 10029, USA
BMC Bioinformatics 14:128. 2013..While many enrichment analysis tools and gene-set libraries databases have been developed, there is still room for improvement...
Neuro2A differentiation by Galphai/o pathwayAVI MA'AYAN
Department of Pharmacology and Systems Therapeutics, Mount Sinai School of Medicine, New York, NY 10029, USA
Sci Signal 2:cm1. 2009..Components in the Science Signaling Connections Map are linked to Nature Molecule Pages. This interoperability provides ready access to detail that includes information about specific states for the nodes...
SNAVI: Desktop application for analysis and visualization of large-scale signaling networksAVI MA'AYAN
Department of Pharmacology and Systems Therapeutics, Mount Sinai School of Medicine, New York, NY 10029, USA
BMC Syst Biol 3:10. 2009..The emergence of large-scale signaling networks provides an opportunity for topological statistical analysis while visualization of such networks represents a challenge...
Network integration and graph analysis in mammalian molecular systems biologyA MA'AYAN
Mount Sinai School of Medicine, Department of Pharmacology and Systems Therapeutics, New York, NY 10029 6574, USA
IET Syst Biol 2:206-21. 2008..This review highlights the currently available varieties of mammalian biomolecular networks, and surveys methods and tools to construct, compare, integrate, visualise and analyse such networks...
Insights into the organization of biochemical regulatory networks using graph theory analysesAVI MA'AYAN
Department of Pharmacology and Systems Therapeutics, Mount Sinai School of Medicine, New York, New York 10029, USA
J Biol Chem 284:5451-5. 2009..These insights show that graph theory is a valuable tool for gaining an understanding of global regulatory features of biochemical networks...
Toward predictive models of mammalian cellsAVI MA'AYAN
Department of Pharmacology and Biological Chemistry, Mount Sinai School of Medicine, New York, NY 10029, USA
Annu Rev Biophys Biomol Struct 34:319-49. 2005..The use of deterministic, stochastic, and hybrid models to represent cellular processes is reviewed, and an initial integrated approach for the development of large-scale predictive models of a mammalian cell is presented...
Proximity of intracellular regulatory networks to monotone systemsA MA'AYAN
Mount Sinai School of Medicine, Department of Pharmacology and Systems Therapeutics, USA
IET Syst Biol 2:103-12. 2008..These observations suggest that intracellular regulatory networks are 'close-to-monotone', a characteristic that could contribute to the dynamical stability observed in cellular behaviour...
From components to regulatory motifs in signalling networksAVI MA'AYAN
Department of Pharmacology and Biological Chemistry, Mount Sinai School of Medicine, 1 Gustave Levy Place, New York, NY 10029, USA
Brief Funct Genomic Proteomic 5:57-61. 2006..The integration of high-throughput experimental results and information from legacy literature is expected to produce computational models that would rapidly enhance our understanding of the detail workings of mammalian cells...
PubMedAlertMe--standalone Windows-based PubMed SDI software applicationAVI MA'AYAN
Department of Pharmacology and Systems Therapeutics, Mount Sinai School of Medicine, New York, NY 10029, USA
Comput Biol Med 38:620-2. 2008..The program is standalone. Thus, it does not require a remote mail server or user registration. PubMedAlertMe is free software, and can be downloaded from: http://amp.pharm.mssm.edu/PubMedAlertMe/PubMedAlertMe_setup.zip...
Introduction to network analysis in systems biologyAVI MA'AYAN
Department of Pharmacology and Systems Therapeutics, Mount Sinai School of Medicine, New York, NY 10029, USA
Sci Signal 4:tr5. 2011..The third lecture discusses methods for analyzing lists of genes and experimental data in the context of prior knowledge networks to make predictions...
Sig2BioPAX: Java tool for converting flat files to BioPAX Level 3 formatRyan L Webb
Department of Pharmacology and Systems Therapeutics, Systems Biology Center New York SBCNY, Mount Sinai School of Medicine, New York NY 10029, USA
Source Code Biol Med 6:5. 2011..abstract:..
Protein kinase target discovery from genome-wide messenger RNA expression profilingAVI MA'AYAN
Department of Pharmacology and Systems Therapeutics, Mount Sinai School of Medicine, New York, NY, USA
Mt Sinai J Med 77:345-9. 2010....
Genes2Networks: connecting lists of gene symbols using mammalian protein interactions databasesSeth I Berger
Department of Pharmacology and Systems Therapeutics, Mount Sinai School of Medicine, 1425 Madison Avenue, New York, 10029, New York, USA
BMC Bioinformatics 8:372. 2007....
Recovering protein-protein and domain-domain interactions from aggregation of IP-MS proteomics of coregulator complexesAmin R Mazloom
Department of Pharmacology and Systems Therapeutics, Systems Biology Center New York SBCNY, Mount Sinai School of Medicine, New York, New York, United States of America
PLoS Comput Biol 7:e1002319. 2011..The networks that resulted from the predictions are provided as a web-based interactive application at http://maayanlab.net/HT-IP-MS-2-PPI-DDI/...
GATE: software for the analysis and visualization of high-dimensional time series expression dataBen D MacArthur
Department of Pharmacology and Systems Therapeutics, Systems Biology Center New York, New York, NY, USA
Bioinformatics 26:143-4. 2010..AVAILABILITY: GATE is available for download and is free for academic use from http://amp.pharm.mssm.edu/maayan-lab/gate.htm..
Renoprotective effect of combined inhibition of Angiotensin-converting enzyme and histone deacetylaseYifei Zhong
Department of Medicine, Division of Nephrology, Mount Sinai School of Medicine, One Gustave L Levy Place, Box 1243, New York, NY 10029, or Dr Avi Ma ayan computational part, Department of Pharmacology and Systems Therapeutics, One Gustave L Levy Place, Box 1215, Mount Sinai School of Medicine, New York, NY 10029
J Am Soc Nephrol 24:801-11. 2013..In addition, this study provides proof-of-concept that drug-induced expression signatures have potential use in predicting the effects of combination drug therapy...
Expression2Kinases: mRNA profiling linked to multiple upstream regulatory layersEdward Y Chen
Department of Pharmacology and Systems Therapeutics, Systems Biology Center New York, New York, NY, USA
Bioinformatics 28:105-11. 2012..AVAILABILITY: The software and source code are freely available at: http://www.maayanlab.net/X2K. CONTACT: avi.maayan@mssm.edu SUPPLEMENTARY INFORMATION: Supplementary data are available at Bioinformatics online...
ChEA: transcription factor regulation inferred from integrating genome-wide ChIP-X experimentsAlexander Lachmann
Department of Pharmacology and Systems Therapeutics, Systems Biology Center New York SBCNY, Mount Sinai School of Medicine, One Gustave Levy Place, New York, NY 10029, USA
Bioinformatics 26:2438-44. 2010..Such experiments provide hundreds to thousands of potential binding sites for a given transcription factor in proximity to gene coding regions...
Design logic of a cannabinoid receptor signaling network that triggers neurite outgrowthKenneth D Bromberg
Department of Pharmacology and Systems Therapeutics, Mount Sinai School of Medicine, New York, NY 10029, USA
Science 320:903-9. 2008....
AVIS: AJAX viewer of interactive signaling networksSeth I Berger
Department of Pharmacology and Systems Therapeutics, Mount Sinai School of Medicine, 1425 Madison Avenue, New York 10029, USA
Bioinformatics 23:2803-5. 2007..Simple web-based visualization tools can allow for improved data presentation and collaboration. Researchers studying cell signaling would benefit from having the ability to embed dynamic cell signaling maps in web pages...
A systems approach identifies HIPK2 as a key regulator of kidney fibrosisYuanmeng Jin
Division of Nephrology, Department of Medicine, Mount Sinai School of Medicine, New York, New York, USA
Nat Med 18:580-8. 2012..We therefore conclude that HIPK2 is a potential target for anti-fibrosis therapy...
Receptor heteromerization expands the repertoire of cannabinoid signaling in rodent neuronsRaphael Rozenfeld
Department of Pharmacology and Systems Therapeutics, Mount Sinai School of Medicine, New York, New York, United States of America
PLoS ONE 7:e29239. 2012....
Systems biology of kidney diseasesJohn Cijiang He
Department of Medicine, Mount Sinai School of Medicine, New York, New York 10029, USA
Kidney Int 81:22-39. 2012..This integration of experimental approaches and computational modeling is expected to generate new knowledge that can help to identify marker sets to guide the diagnosis, monitor disease progression, and identify new therapeutic targets...
Chronic morphine alters the presynaptic protein profile: identification of novel molecular targets using proteomics and network analysisNoura S Abul-Husn
Department of Pharmacology and Systems Therapeutics, Mount Sinai School of Medicine, New York, New York, United States of America
PLoS ONE 6:e25535. 2011....
Lists2Networks: integrated analysis of gene/protein listsAlexander Lachmann
Department of Pharmacology and Systems Therapeutics, Systems Biology Center New York, Mount Sinai School of Medicine, 1425 Madison Avenue, New York, NY 10029, USA
BMC Bioinformatics 11:87. 2010..In addition, linking high-content multilayered experimental results with prior biological knowledge can be useful for identifying functional themes and form novel hypotheses...
Ordered cyclic motifs contribute to dynamic stability in biological and engineered networksAVI MA'AYAN
Department of Pharmacology and Systems Therapeutics, Mount Sinai School of Medicine, 1 Gustave Levy Place, New York, NY 10029, USA
Proc Natl Acad Sci U S A 105:19235-40. 2008..This topology provides more dynamic stability in large networks...
Retinoic acid utilizes CREB and USF1 in a transcriptional feed-forward loop in order to stimulate MKP1 expression in human immunodeficiency virus-infected podocytesTing Chi Lu
Department of Medicine, Mount Sinai School of Medicine, One Gustave L Levy Place, New York, NY 10029, USA
Mol Cell Biol 28:5785-94. 2008..The mechanism involves a feed-forward loop where activation of one transcription factor (TF) (CREB) leads to induction of a second TF (USF1)...
Expression of HIV transgene aggravates kidney injury in diabetic miceSandeep K Mallipattu
Division of Nephrology, Department of Medicine, Mount Sinai School of Medicine, New York, New York, USA
Kidney Int 83:626-34. 2013..Thus, our study found that expression of HIV-1 genes aggravates diabetic kidney disease...
Functions of bifans in context of multiple regulatory motifs in signaling networksAzi Lipshtat
Department of Pharmacology and Systems Therapeutics, Mount Sinai School of Medicine, New York, New York 10029, USA
Biophys J 94:2566-79. 2008..These results indicate that bifan motifs in cell signaling networks can contribute to signal processing capability both intrinsically and by enabling the functions of other regulatory motifs...
Systems approach to explore components and interactions in the presynapseNoura S Abul-Husn
Department of Pharmacology and Systems Therapeutics, Mount Sinai School of Medicine, New York, NY 10029, USA
Proteomics 9:3303-15. 2009....
Sets2Networks: network inference from repeated observations of setsNeil R Clark
Department of Pharmacology and Systems Therapeutics, Systems Biology Center of New York SBCNY, Mount Sinai School of Medicine, One Gustave L, Levy Place, Box 1215, New York, NY 10029, USA
BMC Syst Biol 6:89. 2012..This type of data is ubiquitous in the field of systems biology and in other areas of complex systems research. Hence, such methods would be of great utility and value...
Gene-expression profiles and transcriptional regulatory pathways that underlie the identity and diversity of mouse tissue macrophagesEmmanuel L Gautier
Department of Developmental and Regenerative Biology, Mount Sinai School of Medicine, New York, New York, USA
Nat Immunol 13:1118-28. 2012..We further identified how these transcripts and the proteins they encode facilitated distinguishing macrophages from dendritic cells...
Kruppel-like factor 15 (KLF15) is a key regulator of podocyte differentiationSandeep K Mallipattu
Division of Nephrology, Department of Medicine, Mount Sinai School of Medicine, New York, New York 10029 6574, USA
J Biol Chem 287:19122-35. 2012..These results indicate a critical role of KLF15 in mediating podocyte differentiation and in protecting podocytes against injury...
KEA: kinase enrichment analysisAlexander Lachmann
Department of Pharmacology and Systems Therapeutics, Systems Biology Center in New York, Icahn Medical Institute, Mount Sinai School of Medicine, 1425 Madison Avenue, New York, NY 10029, USA
Bioinformatics 25:684-6. 2009..Such analysis can assist in producing hypotheses that can explain how the kinome is involved in the maintenance of different cellular states and can be manipulated to modulate cells towards a desired phenotype...
Toward a complete in silico, multi-layered embryonic stem cell regulatory networkHuilei Xu
Department of Gene and Cell Medicine and The Black Family Stem Cell Institute, Mount Sinai School of Medicine, New York, NY 10029, USA
Wiley Interdiscip Rev Syst Biol Med 2:708-33. 2010..This review also provides an accompanying manually extracted dataset of different types of regulatory interactions from low-throughput experimental ES cell studies available at http://amp.pharm.mssm.edu/iscmid/literature...
Systems biology of stem cell fate and cellular reprogrammingBen D MacArthur
Department of Gene and Cell Medicine and Black Family Stem Cell Institute, Mount Sinai School of Medicine, New York, New York 10029, USA
Nat Rev Mol Cell Biol 10:672-81. 2009....
Formation of regulatory patterns during signal propagation in a Mammalian cellular networkSherry L Jenkins
Department of Pharmacology and Biological Chemistry Mount Sinai School of Medicine, New York, NY 10029, USA
Science 309:1078-83. 2005..Key regulators of plasticity were highly connected nodes required for the formation of regulatory motifs, indicating the potential importance of such motifs in determining cellular choices between homeostasis and plasticity...
Modeling cell signaling networksNarat J Eungdamrong
Department of Pharmacology and Biological Chemistry, Mount Sinai School of Medicine, New York, NY 10029, USA
Biol Cell 96:355-62. 2004..Different mathematical approaches that are currently used to model signaling networks are described, and future challenges including the need for databases as well as enhanced computing environments are discussed...
Activation of alternate prosurvival pathways accounts for acquired sunitinib resistance in U87MG glioma xenograftsQingyu Zhou
Department of Pharmacology and Systems Therapeutics, Systems Biology Center New York, Mount Sinai School of Medicine, New York, NY, USA
J Pharmacol Exp Ther 343:509-19. 2012....
FNV: light-weight flash-based network and pathway viewerRuth Dannenfelser
Department of Pharmacology and Systems Therapeutics, Systems Biology Center New York SBCNY, Mount Sinai School of Medicine, 1425 Madison Avenue, New York, NY 10029, USA
Bioinformatics 27:1181-2. 2011..To this end, we have developed a flash-based network viewer (FNV) for the visualization of small to moderately sized biological networks and pathways...
Introduction to statistical methods for analyzing large data sets: gene-set enrichment analysisNeil R Clark
Department of Pharmacology and Systems Therapeutics, Mount Sinai School of Medicine, New York, NY 10029, USA
Sci Signal 4:tr4. 2011..GSEA is a statistical functional enrichment analysis commonly applied to identify enrichment of biological functional categories in sets of ranked differentially expressed genes from genome-wide mRNA expression data sets...
Network analysis of FDA approved drugs and their targetsAVI MA'AYAN
Department of Pharmacology and Systems Therapeutics, Mount Sinai School of Medicine, New York, New York 10029, USA
Mt Sinai J Med 74:27-32. 2007..These initial observations allow for development of an integrated research methodology to identify general principles of the drug discovery process...
Systems pharmacology of arrhythmiasSeth I Berger
Department of Pharmacology and Systems Therapeutics and Systems Biology Center New York, Mount Sinai School of Medicine, One Gustave L Levy Place, Box 1215, New York, NY 10029, USA
Sci Signal 3:ra30. 2010....
Mesenchymal and haematopoietic stem cells form a unique bone marrow nicheSimon Mendez-Ferrer
Department of Medicine, Mount Sinai School of Medicine, New York, New York 10029, USA
Nature 466:829-34. 2010..These results uncover an unprecedented partnership between two distinct somatic stem-cell types and are indicative of a unique niche in the bone marrow made of heterotypic stem-cell pairs...
Flotillin-mediated endocytic events dictate cell type-specific responses to semaphorin 3AIoana Carcea
Fishberg Department of Neuroscience and Friedman Brain Institute, Mount Sinai School of Medicine, New York, New York 10029, USA
J Neurosci 30:15317-29. 2010....
Signaling in regulation of podocyte phenotypesPeter Y Chuang
Department of Medicine, Mount Sinai School of Medicine, New York, NY, USA
Nephron Physiol 111:p9-15. 2009..At the level of intracellular signaling, it appears that different extracellular signals can converge onto a few pathways to induce changes in the phenotype of podocytes...
Up-regulation of the homophilic adhesion molecule sidekick-1 in podocytes contributes to glomerulosclerosisLewis Kaufman
Division of Nephrology, Mount Sinai School of Medicine, New York, New York 10029, USA
J Biol Chem 285:25677-85. 2010..We conclude that the up-regulation of sdk-1 in podocytes is an important pathogenic factor in FSGS and that the mechanism involves disruption of the actin cytoskeleton possibly via alterations in MAGI-1 function...
Teaching resources. Introduction: Overview of pathways and networks and GPCR signalingRavi Iyengar
Department of Pharmacology and Biological Chemistry, Mount Sinai School of Medicine, New York, NY 10029, USA
Sci STKE 2005:tr4. 2005..A description of the lecture, along with a set of slides (http://stke.sciencemag.org/cgi/content/full/sigtrans;2005/270/tr4/DC1) used to present this information, is provided...
Teaching resources. Cell signaling systems: a course for graduate studentsRavi Iyengar
Department of Pharmacology and Biological Chemistry, Mount Sinai School of Medicine, New York, NY 10029, USA
Sci STKE 2005:tr3. 2005..Each lecture is 2 hours. After each set of lectures, there is a 2-hour discussion period during which students present an in-depth analysis of a primary literature article, selected in consultation with the lecturer...
Teaching resources. Structure of G-protein-coupled receptors and G proteinsRavi Iyengar
Department of Pharmacology and Biological Chemistry, Mount Sinai School of Medicine, New York, NY 10029, USA
Sci STKE 2005:tr10. 2005..quot; The lecture begins with a discussion of the crystal structure of rhodopsin and G protein subunits and then proceeds to describe the molecular mechanisms of receptor activation and the subsequent release of G proteins...
Nef stimulates proliferation of glomerular podocytes through activation of Src-dependent Stat3 and MAPK1,2 pathwaysJohn Cijiang He
Department of Medicine, Mount Sinai School of Medicine, New York, New York, USA
J Clin Invest 114:643-51. 2004..These data suggest that Nef-induced activation of Stat3 and Ras-MAPK1,2 via Src-dependent pathways is responsible for podocyte proliferation and dedifferentiation, a characteristic finding in collapsing FSGS of HIVAN...
Cannabinoid 1 receptor and interleukin-6 receptor together induce integration of protein kinase and transcription factor signaling to trigger neurite outgrowthYana Zorina
Department of Pharmacology and Systems Therapeutics, Mount Sinai School of Medicine, New York, New York 10029, USA
J Biol Chem 285:1358-70. 2010..These results provide a mechanism where multiple protein kinases and transcription factors interact to integrate signals from G protein-coupled and cytokine receptor to evoke neurite outgrowth in Neuro2A cells...
Design of versatile biochemical switches that respond to amplitude, duration, and spatial cuesAzi Lipshtat
Department of Pharmacology and Systems Therapeutics, Mount Sinai School of Medicine, New York, NY 10029, USA
Proc Natl Acad Sci U S A 107:1247-52. 2010..We conclude that the emergence of ultrasensitivity from coupled first-order reactions provides a versatile mechanism for the design of biochemical switches...
Modelling cellular signalling systemsPadmini Rangamani
Department of Pharmacology and Systems Therapeutics, Mount Sinai School of Medicine, New York, NY 10029, U S A
Essays Biochem 45:83-94. 2008..This is followed by a brief summary of some recent modelling successes and the state of future models...
Inquiry learning. Integrating content detail and critical reasoning by peer reviewRavi Iyengar
Department of Pharmacology and Systems Therapeutics, Mount Sinai School of Medicine, New York, NY 10029, USA
Science 319:1189-90. 2008
Regulation of neurite outgrowth by G(i/o) signaling pathwaysKenneth D Bromberg
Department of Pharmacology and Systems Therapeutics, Mount Sinai School of Medicine, New York, NY 10029, USA
Front Biosci 13:4544-57. 2008....
HIV-1 Nef disrupts the podocyte actin cytoskeleton by interacting with diaphanous interacting proteinTing Chi Lu
Department of Medicine, Mount Sinai School of Medicine, New York, NY 10029, USA
J Biol Chem 283:8173-82. 2008..We conclude that in HIV-infected podocytes, Nef, through the recruitment of DIP and p190RhoAGAP to Nef-Src complex, activates p190RhoAGAP and down-regulates RhoA activity...
Role of the Go/i signaling network in the regulation of neurite outgrowthJohn Cijiang He
Department of Pharmacology and Biological Chemistry, Mount Sinai School of Medicine, One Gustave L Levy Place, New York, NY 10029, USA
Can J Physiol Pharmacol 84:687-94. 2006..We also analyze the role neurotransmitters, which stimulate Go/i to activate a complex signaling network controlling neurite outgrowth, play in regeneration after neuronal injury...
Retinoic acid inhibits HIV-1-induced podocyte proliferation through the cAMP pathwayJohn Cijiang He
Department of Medicine, Mount Sinai School of Medicine, One Gustave L Levy Place, New York, NY 10029, USA
J Am Soc Nephrol 18:93-102. 2007..These results demonstrate the mechanism by which atRA reverses the proliferation of podocytes that is induced by HIV-1...
Teaching resources. Using web-based discussion forums as a model of the peer-review process and a tool for assessmentSherry L Jenkins
Department of Pharmacology and Systems Therapeutics, Mount Sinai School of Medicine, New York, NY 10029, USA
Sci Signal 1:tr2. 2008....
Modelling spatio-temporal interactions within the cellPadmini Rangamani
Department of Pharmacology and Biological Chemistry, Mount Sinai School of Medicine, One Gustave L Levy Place, New York, NY 10029, USA
J Biosci 32:157-67. 2007..This review describes the capability and limitations of the approaches used to study spatio-temporal dynamics of cell signalling components...
Teaching resource. Quantitative models of mammalian cell signaling pathwaysRavi Iyengar
Department of Pharmacology and SystemsTherapeutics, Mount Sinai School ofMedicine, New York, NY 10029, USA
Sci Signal 1:tr1. 2008..The lecture concludes with a description of how models can be tested experimentally and modified when the details of the models and the resultant predictive behavior are not confirmed by experimentation...
Regulation of embryonic and induced pluripotency by aurora kinase-p53 signalingDung Fang Lee
Department of Developmental and Regenerative Biology and The Black Family Stem Cell Institute, Mount Sinai School of Medicine, New York, NY 10029, USA
Cell Stem Cell 11:179-94. 2012..Our studies demonstrate an essential role for Aurka-p53 signaling in the regulation of self-renewal, differentiation, and somatic cell reprogramming...
Oct4 links multiple epigenetic pathways to the pluripotency networkJunjun Ding
Department of Developmental and Regenerative Biology, Black Family Stem Cell Institute, Mount Sinai School of Medicine, New York, NY 10029, USA
Cell Res 22:155-67. 2012..Our study establishes a solid biochemical basis for genetic and epigenetic regulation of stem cell pluripotency and provides a framework for exploring alternative factor-based reprogramming strategies...
SVM classifier to predict genes important for self-renewal and pluripotency of mouse embryonic stem cellsHuilei Xu
Department of Pharmacology and System Therapeutics, Mount Sinai School of Medicine, 1 Gustave L, Levy Place, New York, New York 10029, USA
BMC Syst Biol 4:173. 2010....
Adenovirus-directed expression of Q227L-G alpha(s) inhibits growth of established tumors of later-stage human breast cancer cells in athymic miceTara Ann Santore
Department of Pharmacology and Biological Chemistry, Mount Sinai School of Medicine, New York, NY 10029
Proc Natl Acad Sci U S A 99:1671-6. 2002..These results raise the possibility that sustained elevation of cAMP may have therapeutic value in the treatment of estrogen-resistant later stage breast cancers...
Computational approaches for modeling regulatory cellular networksNarat J Eungdamrong
Department of Pharmacology and Biological Chemistry, Mount Sinai School of Medicine, New York, NY 10029, USA
Trends Cell Biol 14:661-9. 2004..Finally, the modeling approach is expanded to describe how signaling networks might regulate cellular machines and evoke phenotypic behaviors...
The G alpha(o/i)-coupled cannabinoid receptor-mediated neurite outgrowth involves Rap regulation of Src and Stat3John Cijiang He
Department of Pharmacology, Mount Sinai School of Medicine, New York, New York 10029, USA
J Biol Chem 280:33426-34. 2005..Overall, this study demonstrated that G alpha(o/i)-coupled CB1R triggers neurite outgrowth in Neuro-2A through the activation of a signaling network containing two pathways that bifurcate at Src and converge at Stat3...
Transforming growth factor β signaling controls activities of human intestinal CD8(+)T suppressor cellsKeren M Rabinowitz
Immunology Institute, Mount Sinai School of Medicine, New York, NY 10029, USA
Gastroenterology 144:601-612.e1. 2013..Disruption of Ts cell activities can lead to mucosal inflammation. We investigated what factors were required for expansion of the Ts cell population or loss of their activity in patients with Crohn's disease (CD)...
Network- and attribute-based classifiers can prioritize genes and pathways for autism spectrum disorders and intellectual disabilityYan Kou
Department of Psychiatry, Mount Sinai School of Medicine, One Gustave L Levy Place, Box 1668, New York, NY 10029, USA
Am J Med Genet C Semin Med Genet 160:130-42. 2012..Our methods can be applied broadly to other diseases helping in prioritizing newly identified genetic variation that emerge from disease gene discovery based on WES and WGS...
Introduction to statistical methods to analyze large data sets: principal components analysisNeil R Clark
Department of Pharmacology and Systems Therapeutics, Mount Sinai School of Medicine, New York, NY 10029, USA
Sci Signal 4:tr3. 2011..The lecture describes how to handle large data sets with correlation methods and unsupervised clustering with this popular method of analysis, PCA...
Genes2FANs: connecting genes through functional association networksRuth Dannenfelser
Department of Pharmacology and Systems Therapeutics, Systems Biology Center of New York, Mount Sinai School of Medicine, New York, NY 10029, USA
BMC Bioinformatics 13:156. 2012....
Compartment-specific feedback loop and regulated trafficking can result in sustained activation of Ras at the GolgiNarat J Eungdamrong
Department of Pharmacology and Biological Chemistry, Mount Sinai School of Medicine, New York, New York 10029, USA
Biophys J 92:808-15. 2007....
Calpain as an effector of the Gq signaling pathway for inhibition of Wnt/beta -catenin-regulated cell proliferationGuangnan Li
Department of Pharmacology and Biological Chemistry, Mount Sinai School of Medicine, New York, NY 10029, USA
Proc Natl Acad Sci U S A 99:13254-9. 2002..We conclude that Gq signaling promotes nuclear export and calpain-mediated degradation of beta-catenin, which therefore contributes to the inhibition of Wnt/beta-catenin pathway...
Role of dynamic interactions in effective signal transfer for Gbeta stimulation of phospholipase C-beta 2Elizabeth Buck
Department of Pharmacology and Biological Chemistry, Mount Sinai School of Medicine, One Gustave Levy Place, New York, NY 10029, USA
J Biol Chem 277:49707-15. 2002....
HIV-1 upregulates VEGF in podocytesSonal Navin Korgaonkar
Department of, New York, Mount Sinai School of Medicine, New York, USA
J Am Soc Nephrol 19:877-83. 2008..In conclusion, HIV-1 induces VEGF and VEGFR2 expression in podocytes, and this may be a critical step in the pathogenesis of HIVAN...
Cell shape and negative links in regulatory motifs together control spatial information flow in signaling networksSusana R Neves
Department of Pharmacology and Systems Therapeutics, Mount Sinai School of Medicine, One Gustave L Levy Place, Box 1215, New York, NY 10029, USA
Cell 133:666-80. 2008....
Sox2 in the dermal papilla niche controls hair growth by fine-tuning BMP signaling in differentiating hair shaft progenitorsCarlos Clavel
Black Family Stem Cell Institute, Mount Sinai School of Medicine, New York, NY 10029, USA
Dev Cell 23:981-94. 2012..Collectively, our data identify Sox2 as a key regulator of hair growth that controls progenitor migration by fine-tuning BMP-mediated mesenchymal-epithelial crosstalk...
Microdynamics and criticality of adaptive regulatory networksBen D MacArthur
Department of Pharmacology and Systems Therapeutics, Systems Biology Center New York, Mount Sinai School of Medicine, New York, New York 10029, USA
Phys Rev Lett 104:168701. 2010..We show analytically that the observed criticality results from the formation and breaking of transient feedback loops during the adaptive process...
Local protein synthesis mediates a rapid increase in dendritic elongation factor 1A after induction of late long-term potentiationPanayiotis Tsokas
Department of Pharmacology and Biological Chemistry, Mount Sinai School of Medicine, New York, New York 10029, USA
J Neurosci 25:5833-43. 2005..These results suggest a mechanism whereby synaptic stimulation, by signaling through the mTOR pathway, produces an increase in dendritic translational capacity that contributes to LTP maintenance...
Quantitative information management for the biochemical computation of cellular networksFabien Campagne
Department of Physiology and Biophysics and Institute for Computational Biomedicine, Weill Medical College of Cornell University, New York, NY, 10021, USA
Sci STKE 2004:pl11. 2004..We anticipate that, when appropriately populated, such a system will be useful for large-scale quantitative studies of cell-signaling networks and other cellular networks. SigPath is distributed under the GNU General Public License...
Topology of resultant networks shaped by evolutionary pressureAzi Lipshtat
Department of Pharmacology and Biological Chemistry, Mount Sinai School of Medicine, New York, New York 10029, USA
Phys Rev E Stat Nonlin Soft Matter Phys 73:061912. 2006..This analysis provides initial insights into distribution of pathways in naturally evolving complex systems that have defined input-output relationships...
Cannabinoid receptor-induced neurite outgrowth is mediated by Rap1 activation through G(alpha)o/i-triggered proteasomal degradation of Rap1GAPIIJ Dedrick Jordan
Department of Pharmacology and Biological Chemistry, Mount Sinai School of Medicine, New York, New York 10029, USA
J Biol Chem 280:11413-21. 2005..Thus, the G(alpha)o/i-coupled cannabinoid receptor, by regulating the proteasomal degradation of Rap1GAPII, activates Rap1 to induce neurite outgrowth...
G protein pathwaysSusana R Neves
Department of Pharmacology and Biological Chemistry, Mount Sinai School of Medicine, New York, NY 10029, USA
Science 296:1636-9. 2002..These cellular processes in turn regulate systemic functions such as embryonic development, gonadal development, learning and memory, and organismal homeostasis...
Mitogen-activated protein kinase upregulates the dendritic translation machinery in long-term potentiation by controlling the mammalian target of rapamycin pathwayPanayiotis Tsokas
Department of Pharmacology and Biological Chemistry, Mount Sinai School of Medicine, New York, New York 10029, USA
J Neurosci 27:5885-94. 2007..The role of ERK in regulating PDK1 and Akt, with their extensive effects on cellular function, has important implications for the coordinated response of the neuron to LTP-inducing stimulation...
Use of peptide probes to determine function of interaction sites in G protein interactions with effectorsElizabeth Buck
Department of Pharmacology, Mount Sinai School of Medicine, New York, New York 10029, USA
Methods Enzymol 344:513-21. 2002
Network analyses in systems pharmacologySeth I Berger
Department of Pharmacology and Systems Therapeutics, Mount Sinai School of Medicine, One Gustave Levy Place, New York, NY 10029, USA
Bioinformatics 25:2466-72. 2009..Taken together, these types of analyses can lead to new therapeutic options while improving the safety and efficacy of existing medications...
Oral glycotoxins determine the effects of calorie restriction on oxidant stress, age-related diseases, and lifespanWeijing Cai
Department of Geriatrics, Mount Sinai School of Medicine, One Gustave Levy Place, New York, NY 10029, USA
Am J Pathol 173:327-36. 2008..Therefore, the beneficial effects of a CR diet may be partly related to reduced oxidant intake, a principal determinant of oxidant status in aging mice, rather than decreased energy intake...
Advanced glycation end product (AGE) receptor 1 suppresses cell oxidant stress and activation signaling via EGF receptorWeijing Cai
Division of Experimental Diabetes and Aging, Brookdale Department of Geriatrics, and Division of Nephrology, Department of Medicine, Mount Sinai School of Medicine, New York, NY 10029, USA
Proc Natl Acad Sci U S A 103:13801-6. 2006..AGER1 could serve as a model for developing therapeutic targets against vascular and kidney disorders related to diabetes and aging...
Expression of adenovirus-directed expression of activated G alpha s in rat hippocampal slicesGeorge P Brown
Department of Pharmacology, Mount Sinai School of Medicine, New York, New York 10029, USA
Methods Enzymol 344:343-9. 2002
Modeling of signaling networksSusana R Neves
Department of Pharmacology and Biological Chemistry, Mount Sinai School of Medicine, New York, NY 10029, USA
Bioessays 24:1110-7. 2002..These types of complex behavior from relatively simple networks highlight the necessity of using theoretical approaches in understanding higher order biological functions...
Organization and functions of interacting domains for signaling by protein-protein interactionsElizabeth Buck
Department of Pharmacology and Biological Chemistry, Mount Sinai School of Medicine, 1 Gustave Levy Place, New York, NY 10029, USA
Sci STKE 2003:re14. 2003..Other binding regions may be arranged within the protein to impart specificity of recognition and thereby maintain overall contact between the partners during the conformational dynamics that occur in the signal-transfer process...
Postsynaptic signaling networks: cellular cogwheels underlying long-term plasticityRobert D Blitzer
Department of Psychiatry, Mount Sinai School of Medicine, New York, New York 10029, USA
Biol Psychiatry 57:113-9. 2005..It is posited that local translation at the synapse, in a self-sustaining manner, mediates the persistence of long-term changes despite constant turnover of the synaptic components...
Systems approaches to polypharmacology and drug discoveryAislyn D W Boran
Mount Sinai School of Medicine, Department of Pharmacology and Systems Therapeutics, One Gustave L Levy Place, New York, NY 10029, USA
Curr Opin Drug Discov Devel 13:297-309. 2010..Drug-target networks can be used to identify multiple targets and to determine suitable combinations of drug targets or drugs. Thus, the discovery of new drug therapies for complex diseases may be greatly aided by systems biology...
Functional analysis of the interface regions involved in interactions between the central cytoplasmic loop and the C-terminal tail of adenylyl cyclaseBarney Yoo
Department of Pharmacology and Biological Chemistry, Mount Sinai School of Medicine, New York, New York 10029, USA
J Biol Chem 279:13925-33. 2004....
Specification of spatial relationships in directed graphs of cell signaling networksAzi Lipshtat
Department of Pharmacology and Systems Therapeutics, Mount Sinai School of Medicine, New York, New York, USA
Ann N Y Acad Sci 1158:44-56. 2009..We suggest that such mixed graphs will provide more accurate descriptions of functional cellular networks and their regulatory capabilities and aid in the development of large-scale predictive models of cellular behavior...
The cognitive phenotype of Down syndrome: insights from intracellular network analysisKatheleen Gardiner
Department of Pharmacology and Biological Chemistry, Mount Sinai School of Medicine, New York, New York 10029, USA
NeuroRx 3:396-406. 2006..We propose how these methods could be integrated with creation and manipulation of mouse models of DS to advance our understanding of the perturbed cell signaling pathways in DS. This understanding could lead to potential therapeutics...
Galphao/i-stimulated proteosomal degradation of RGS20: a mechanism for temporal integration of Gs and Gi pathwaysMario Pagano
Department of Pharmacology and Biological Chemistry, Mount Sinai School of Medicine, New York, NY 10029, United States
Cell Signal 20:1190-7. 2008..These observations suggest that G(o/i)-coupled receptors, by stimulating the degradation of RGS20, can regulate how subsequent activation of the G(s) and G(i) pathways controls cellular cAMP levels, thus allowing for signal integration...
An androgen-IL-6-Stat3 autocrine loop re-routes EGF signal in prostate cancer cellsDavid S Aaronson
Department of Pharmacology and Biological Chemistry, Mount Sinai School of Medicine, New York, NY, USA
Mol Cell Endocrinol 270:50-6. 2007..Understanding interactions and changes in signal flow within the cell is important to our understanding of signaling networks as well as our ability to identify cellular targets for novel therapies to inhibit cancer progression...
MAP kinase phosphatase as a locus of flexibility in a mitogen-activated protein kinase signaling networkUpinder S Bhalla
National Center for Biological Sciences, Bangalore 560065 India
Science 297:1018-23. 2002..Thus, the MAPK 1, 2/PKC controller network is flexibly designed, and MAPK phosphatase may be critical for this flexible response...
Computational analysis of isoform-specific signal regulation by CEACAM1-A cell adhesion molecule expressed in PC12 cellsBjörn Obrink
Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm, Sweden
Ann N Y Acad Sci 971:597-607. 2002....
