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MADAM is a comprehensive microarray data management system allowing users to enter, retrieve, analyze, and interpret gene expression data with ease. It communicates with a database, checks for errors, and provides various tools for data manipulation.
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Microarray Data Management Jianwei (Jerry) Li April 2004 test
Scanner Image Analysis .tiff Image File Raw Gene Expression Data Gene Annotation Normalization / Filtering Normalized Data with Gene Annotation Expression Analysis Data Entry / Management Interpretation of Analysis Results MAD Others… Database AGED Database Database Microarray Data Flow Printer test
Microarray Database Microarray Experiment and Annotation Control Test Prepare Fluorescently Labeled Probes Obtain RNA Samples Hybridize, Wash Scanning MADAM test
Requirements of MADAM • Communicates with a DBMS. • Uploads microarray information to database with a convenient way. • Allows users to view the information. • Retrieves the information and converts it to a data format for analysis. • Checks errors for the data entries. • Starts other tools to manipulate the data. test
Microarray Database Functions of MADAM Data Display Data Entry Other Tools Data Retrieve MADAM Protista test
Slide Slide_name id slide_type config_id slide_lot bar_code run_id storage_id Microarray Database Microarray Database Schema test
Clone New_plate Expt_probe Experiment Study Expression Slide Probe Slide_type Spot Probe_source Hyb Protocol Primer_pair Primer Gene PCR Scan Analysis Normalize Conceptual Schema: MAD test
Interface of MADAM Tool Bar Navigation Panel Working Panel Log Panel test
Data Entry … test
Procedures of Data Entry 1. Enter an organism name using New Organism Window. 2. Upload your plate and PCR information with PCR Score. 3. Insert study information with Study page. 4. Insert probe data with Probe and Probe Source pages. 5. Use other pages ... test
PCR File Format - 1 Type 1: 7-Column Gene or Clone Feat Name / Locus Primer 1 Sequence Primer 2 sequence Amplified Value Primer 1 Name Primer 2 Name Length test
PCR File Format - 2 Type 2: 8-Column Gene or Clone Feat Name Primer 1 Sequence Primer 2 sequence Amplified Value Primer 1 Name Primer 2 Name Length Locus test
PCR File Format - 3 Type 3: Oligo 5' end Feat Name Primer Name Amplified Value 3' end Tm Locus Sequence test
Procedures of Data Entry 1. Enter an organism name using New Organism Window. 2. Upload your plate and PCR information with PCR Score. 3. Insert study information with Study page. 4. Insert probe data with Probe and Probe Source pages. 5. Use other pages ... test
Data Entry With Study Page a chemical or factor that is used for treatment in a study (H2O, light, NaCl). Time : 10 : Hour Time : 5 : Day Temperature : 30 : ºC 10% NaCl : 100 : ml test
Introduction of Slide Type • Not the type of slide manufacturers produced. • Array type that describe how the array was constructed. test
config id machine slide_type pins_x pins_y dist_x dist_y … Format of Slide Name c a g 0 0 5 a 0 0 3 6 Project Name Glass Type Consequential Number Config_id test
Functions of Other Pages inserts the locations of the image files and scan parameters into database. Scan uploads the intensities (mev or tav files) of an experiment to database. Expression saves normalized intensities to database (unavailable). Analysis test
Data Report … test
Data Retrieve … test
Data Retrieve with Miner select experiment. check what amplified value to be zero. select output file format. provide file name. start to retrieve. test
mev and tav File Format Intensities Spot positions Backgrounds Flags test
MGED, MIAME, and MAGE-ML • Microarray Gene Expression Data Society Goal: facilitate microarray data exchange between scientists • Working Groups: *Experiment description standards (MIAME) *Data exchange format (MAGE-ML) *Ontologies for sample description • Minimal Information About Microarray Experiments. *Minimal description of a set of microarray experiments. • MicroArray Gene Expression Markup Language. *XML based means of exchanging microarray data test
MAGE-ML Nodes slide: how a slide is generated slide type process of making slide probe sequence spots on slide researchers who conduct the experiments probe source study hybridization expression intensity how to measure intensities test
MAGE-ML Export with Madam provide person’s info. indicate the role (submitter, researcher, …) of the person. select an experiment to be written out. provide a file name. start the writing. test
Other tools … test
Query Window type SQL code. click the Submit button. view the query results. save the query results. test
indicate the compare relationship with arrows or chart. Experiment Designer set the number of samples (probes). save the picture. test
Express Converter for GenePix, Image, ScanArray, TAV, and MEV files. set a number of files to be converted. output files have the same names & paths with diff. extension. change the file names or paths if you want. start converting. test
Microarray Database Functions of MADAM Data Display Data Entry Other Tools Data Retrieve MADAM Protista test
Acknowledgements TIGR Microarray Software Team John Quackenbush Nirmal Bhagabati John Braisted Tracey Currier Eleanor Howe Jerry Li Wei Liang Alexander I. Saeed Vasily Sharov Mathangi Thaiagarjian Joseph White test