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Larry Lam Southern California Bioinformatics Summer Institute 2009 Graeber Lab – Crump Institute for Molecular Imaging UCLA A Data Management and Analysis Software Platform for Phospho-Proteomics Data
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Outline Graeber Lab Background Project Objective My Experimental Project (Example Dataset) Software Design Software Demo Conclusion / Future Work Acknowledgements
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Systems Biology of Cancer Signaling Lab Goals –Understand Cancer Signaling Through Systems Biology Approaches –[long term] Improve Cancer Treatment Signaling Pathway Modeling Through –Kinetics –Phospho-Profiling –Adaptor Complex Analysis
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Project Objective Develop a Software Platform for Convenient Storage and Analysis of Large-Scale Data Sets -Design Database to Collect and Store Large Scale Proteomic Data Sets -Allow for Comprehensive Meta Information -Simplify Access to Multiple Data Sets -Simplify The Use of Common Tools of Analysis
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BCR/Abl Leukemia BCR/Abl fusion protein found in - 90% - 95% of chronic myleoid leukemia - 20% of adult acute lymphoblastic leukemia - 5% of children acute lymphoblastic leukemia Analyze the adaptor proteins in BCR/Abl signaling - Adaptor proteins mediate protein interactions http://www.annals.org/cgi/content/full/138/10/819 BaitBait PreyPreyPreyPrey Complex Capture Protein Interacting Protein
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Experimental Workflow Experimental Protocol Mass Spectometry Quantitation Pipeline Mass Spectometry Quantitation Pipeline IPI Proteomics Database [Complex] NS Filter/ Consolidation Complex Phospho Profiling Quantitation Output File Manual Organization/ Analysis Purification Current Workflow
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Identifying Interactions of the Crk Adaptor Proteins 1.Genetic modification of pro-B-lymphocytes (Baf3) Express adaptor + streptavidin binding peptide(SBP) 2.Culture 3.Lyse each culture for protein complex purification Crk I LysateCrk L LysateCrk II LysateNTAP Lysate
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1.Separation of protein complex with streptavidin beads 2.Trypsin digestion from proteins to peptides 3.Separation of phosphorylated peptides with Fe(III)-NTA beads 4.Liquid Chromotography + Mass Spectometry 5.Quantitation Pipeline Protein Complex Purification P P P P
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Quantitation Output File Consolidation of quantified peptides and associated proteins per sample All peptides identified All adaptor proteins used Phosphorylation position within the peptide [optional] Peptide SequenceDescription/ IPI Accession Crk ICrk LCrk IINTAP K.ADAAEFWR.KCBL IPI00027269 16568291180239528210190 R.QEAVALLQGQR.HIsoform Crk-II IPI00307991 28593819099245414663281130
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NS Filter/Consolidation Quantitation Output File Collapse Peptides To Protein Quantity Remove Insignificant Proteins Heatmap Analysis Remove Known Contaminants Peptide SequenceDescription/ IPI Accession Crk ICrk LCrk IINTAP K.ADAAEFWR.KCBL IPI00027269 1706858281012715100 K.ALVIAHNNIEMAK.NCBL IPI00027269 134461139897107514990 R.QEAVALLQGQR.HIsoform Crk-II IPI00307991 79341858314530813908854085523 K.IHYLDTTTLIEPVAR.SIsoform Crk-II IPI00307991 1606297352134941732239600344617083 Quantity Is Normalized For Each Row
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NS Filter/Consolidation Quantitation Output File Collapse Peptides To Protein Quantity Remove Insignificant Proteins Heatmap Analysis Remove Known Contaminants
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NS Filter/Consolidation Quantitation Output File Collapse Peptides To Protein Quantity Remove Insignificant Proteins Heatmap Analysis Remove Known Contaminants Protein Enrichment Factor = (Median – NTAP Median)/ Protein NTAP
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NS Filter/Consolidation Quantitation Output File Collapse Peptides To Protein Quantity Remove Insignificant Proteins Heatmap Analysis Remove Known Contaminants Configuration File of Known Contaminants
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Statistical Analysis: Peptide Quantity Heatmap Java TreeView High Quantity Low Quantity Crk I Crk L CrkII NTAP Cbl Peptides Crk I Peptides
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Experimental Workflow Experimental Protocol Mass Spectometry Quantitation Pipeline Mass Spectometry Quantitation Pipeline IPI Proteomics Database [Complex] NS Filter/ Consolidation Complex Phospho Profiling Quantitation Output File Manual Organization/ Analysis Purification Current Workflow Quantitation Import Local DB Statistical Analysis ExternalSources ExternalSources ExternalSources New Workflow
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Program Design C# GUI Application Quantitation Output File DATA IMPORT MySQL Database DATA QUERY Quantitation Data Set R Statistical Function Programming Language: C# Database: MySQL –Free Statistical Computing: R –Free, Accessible to C#
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Data Import Methodology 1.Define Meta Data (Descriptors) And Relationships About The Quantitation Values 2.Create The Tables In MySQL 3.Access Using MySQL Connector/Net http://dev.mysql.com/downloads/connector/
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Statistical Analysis Methodology R Language and Environment for Statistical Computing and Graphics -Modeling -Statistical Tests -Clustering -Heatmaps Develop a Graphical User Interface To R Functions - Access R Functions Through R-(D)COM Interface http://cran.r-project.org/contrib/extra/dcom/
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Software Demo
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Conclusion Management Software –Standardized approach in maintaining lab data Analyze Data Sets –Analysis tools highly accessible to biologists of various technical levels Combine Data Sets –Potentially lead to new discoveries
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Future Work Add More Links To External Database Enhance Data Query Include More Analysis Functions
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Acknowledgments Graeber Lab Members –Dr. Thomas Graeber –Dr. Björn Titz SoCalBSI Faculty and Members –Dr. Jamil Momand –Dr. Sandy Sharp –Dr. Nancy Warter-Perez –Dr. Wendie Johnston –Dr. Beverly Krilowicz –Ronnie Cheng Funding
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Main Window
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Main Window: Options
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Batch Import
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Batch Information
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Sample Information
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Sample Information: Technical Replicates
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Feature Type
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Features
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Project Assignment
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Batch Prtotocol Assignment
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Biological System Assignment
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Import
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Batch Query
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Feature Type Selection
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Matrix/Heatmap Dialog
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Heatmap Options
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Data Import Design Methodology BatchBatch FeatureFeature Label Description Experimenter Date Label Description Feature Type SampleSample Label Description Quality 1.Define Meta Data (Descriptors) About The Quantitation Values - Define Relationships 2.Create The Tables In MySQL 3.Develop Support for MySQL Access - MySQL Connector Feature Value Value Value Type V V V
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